.zip` with the
+ GeoPackage inside. The largest `.gpkg` member wins if there are several;
+ anything else in the archive (metadata PDFs, licence texts) is ignored.
+ """
+ import io
+ import zipfile
+
+ try:
+ with zipfile.ZipFile(io.BytesIO(payload)) as zf:
+ members = [i for i in zf.infolist() if i.filename.lower().endswith(".gpkg")]
+ if not members:
+ raise BuildingLookupError(
+ "the building tile ZIP holds no GeoPackage"
+ )
+ member = max(members, key=lambda i: i.file_size)
+ return zf.read(member)
+ except zipfile.BadZipFile as exc:
+ raise BuildingLookupError(
+ f"the building tile was announced as ZIP but did not open: {exc}"
+ ) from exc
+
+
+def _features_from_item(
+ item: StacItem,
+ client: GeotorgetClient | None = None,
+ window_boxes: list[tuple[float, float, float, float]] | None = None,
+) -> list[dict[str, Any]]:
+ """Every building-like feature an item carries.
+
+ A STAC item may *be* the building -- geometry inline, no download -- or it
+ may be a tile whose asset holds thousands of them. Lantmaeteriet's live
+ catalogue publishes `byggnader` as one zipped **GeoPackage** per
+ municipality, so the asset path is the normal one and the inline path the
+ exception — and `window_boxes` (the search window, in each frame the file
+ could be in) keeps a whole city from being decoded for a 150 m search.
+ """
+ # A usable data asset wins over the item's own geometry: a tile item's
+ # geometry is the TILE's outline — for Lantmaeteriet, the whole
+ # municipality — and reading it as a building both invents a footprint
+ # nobody has and skips the real ones in the asset. Inline geometry is the
+ # fallback for catalogues whose items *are* the buildings.
+ asset = item.pick(MEDIA_GEOPACKAGE, MEDIA_ZIP, MEDIA_GEOJSON)
+ if asset is None or not asset.href or client is None:
+ geom = (item.raw or {}).get("geometry")
+ if geom:
+ return [{"geometry": geom, "properties": (item.raw or {}).get("properties") or {},
+ "id": item.item_id}]
+ return []
+ media = asset.effective_media_type
+ payload = client.download(asset.href)
+ if media == MEDIA_GEOJSON:
+ return _features_from_geojson(payload)
+ if payload[:4] == b"PK\x03\x04":
+ payload = _gpkg_from_zip(payload)
+ try:
+ return read_features(payload, bboxes=window_boxes)
+ except GeoPackageError as exc:
+ raise BuildingLookupError(
+ f"the building tile for this site could not be read: {exc}"
+ ) from exc
+
+
+def _features_from_geojson(payload: bytes) -> list[dict[str, Any]]:
+ """A GeoJSON FeatureCollection asset, for catalogues that publish one."""
+ import json
+
+ try:
+ doc = json.loads(payload.decode("utf-8"))
+ except (UnicodeDecodeError, ValueError) as exc:
+ raise BuildingLookupError(
+ f"the building tile was announced as GeoJSON but did not parse: {exc}"
+ ) from exc
+ if isinstance(doc, dict) and doc.get("type") == "FeatureCollection":
+ return list(doc.get("features") or [])
+ if isinstance(doc, dict) and doc.get("type") == "Feature":
+ return [doc]
+ return []
+
+
+def buildings_from_features(
+ features: Iterable[dict[str, Any]],
+ *,
+ latitude: float,
+ longitude: float,
+ fallback_id: str = "building",
+) -> list[Building]:
+ """Turn GeoJSON-ish features into ranked Building candidates."""
+ site_n, site_e = sweref.wgs84_to_sweref99tm(latitude, longitude)
+ out: list[Building] = []
+ for i, feat in enumerate(features):
+ for j, ring in enumerate(_rings_from_geometry(feat.get("geometry") or {})):
+ ring_sweref = _to_sweref(ring)
+ area = _shoelace_area(ring_sweref)
+ if area < MIN_FOOTPRINT_AREA_M2 or area > MAX_FOOTPRINT_AREA_M2:
+ continue
+ cx, cy = _centroid(ring_sweref)
+ props = dict(feat.get("properties") or {})
+ bid = str(feat.get("id") or props.get("objektidentitet") or f"{fallback_id}-{i}")
+ if j:
+ bid = f"{bid}-{j}"
+ out.append(Building(
+ building_id=bid,
+ ring_sweref=ring_sweref,
+ area_m2=area,
+ distance_m=math.hypot(cx - site_e, cy - site_n),
+ properties={k: v for k, v in props.items() if isinstance(v, (str, int, float))},
+ ))
+ out.sort(key=lambda b: b.distance_m)
+ return out
+
+
+def search_buildings(
+ client: GeotorgetClient,
+ *,
+ latitude: float,
+ longitude: float,
+ radius_m: float = DEFAULT_SEARCH_RADIUS_M,
+ limit: int = 50,
+ collection: str = COLLECTION_BUILDINGS,
+ bbox_epsg: int = 4326,
+) -> list[Building]:
+ """Building footprints near a site, nearest first."""
+ bbox = sweref.stac_search_bbox(latitude, longitude, radius_m, bbox_epsg)
+ # The same window in every frame and axis order a tile could be stored
+ # in. Coordinate magnitude keeps the frames apart (degrees never look
+ # like metres), and carrying both axis orders costs nothing but a few
+ # extra decoded rows — a box only ever widens what is kept.
+ def swapped(b):
+ return (b[1], b[0], b[3], b[2])
+
+ wgs = sweref.stac_search_bbox(latitude, longitude, radius_m, 4326)
+ swe = sweref.stac_search_bbox(latitude, longitude, radius_m, 3006)
+ window_boxes = [wgs, swapped(wgs), swe, swapped(swe)]
+ items = client.search(collection, bbox, limit=limit)
+ features: list[dict[str, Any]] = []
+ for item in items:
+ features.extend(_features_from_item(item, client, window_boxes))
+ if not features:
+ raise BuildingLookupError(
+ "no building footprints were returned for this site. The Geotorget "
+ "account needs access to 'Byggnad Nedladdning, vektor', and the data "
+ "covers Sweden only."
+ )
+ return buildings_from_features(
+ features, latitude=latitude, longitude=longitude
+ )
+
+
+def point_in_ring(x: float, y: float, ring: list[tuple[float, float]]) -> bool:
+ """Ray-casting point-in-polygon, in the ring's own projected frame."""
+ inside = False
+ n = len(ring)
+ for i in range(n):
+ x1, y1 = ring[i]
+ x2, y2 = ring[(i + 1) % n]
+ if (y1 > y) != (y2 > y):
+ if y2 != y1 and x < x1 + (y - y1) * (x2 - x1) / (y2 - y1):
+ inside = not inside
+ return inside
+
+
+def inflate_ring(ring: list[tuple[float, float]], metres: float) -> list[tuple[float, float]]:
+ """Push a ring outward from its centroid by roughly `metres`.
+
+ Approximate on purpose: a true polygon offset needs a geometry library, and
+ this only has to catch the eaves. For the compact, roughly convex outlines
+ houses actually have, scaling about the centroid is within a few centimetres
+ of a proper offset; for a long thin wing it over-buffers the short sides,
+ which costs a little neighbouring ground rather than losing roof.
+ """
+ if metres <= 0 or len(ring) < 3:
+ return ring
+ cx, cy = _centroid(ring)
+ out = []
+ for x, y in ring:
+ dx, dy = x - cx, y - cy
+ d = math.hypot(dx, dy)
+ if d < 1e-9:
+ out.append((x, y))
+ continue
+ scale = (d + metres) / d
+ out.append((cx + dx * scale, cy + dy * scale))
+ return out
+
+
+def clip_to_footprint(points, ring: list[tuple[float, float]],
+ *, buffer_m: float = DEFAULT_EAVES_BUFFER_M):
+ """Keep only the returns standing on one building.
+
+ `points` is (N, 3) in SWEREF 99 TM metres, the frame the LiDAR arrives in.
+ """
+ import numpy as np
+
+ pts = np.asarray(points, dtype=float)
+ if len(pts) == 0 or len(ring) < 3:
+ return pts
+ outline = inflate_ring(ring, buffer_m)
+
+ # Cheap rejection first: most of a tile is nowhere near the building.
+ xs = [p[0] for p in outline]
+ ys = [p[1] for p in outline]
+ box = (
+ (pts[:, 0] >= min(xs)) & (pts[:, 0] <= max(xs))
+ & (pts[:, 1] >= min(ys)) & (pts[:, 1] <= max(ys))
+ )
+ candidates = np.nonzero(box)[0]
+ keep = [i for i in candidates if point_in_ring(pts[i, 0], pts[i, 1], outline)]
+ return pts[keep]
diff --git a/roofmodel/ftw_roofmodel/geopackage.py b/roofmodel/ftw_roofmodel/geopackage.py
new file mode 100644
index 000000000..76e3c757c
--- /dev/null
+++ b/roofmodel/ftw_roofmodel/geopackage.py
@@ -0,0 +1,303 @@
+"""Read polygon features out of a GeoPackage, using only the standard library.
+
+Lantmaeteriet publishes *Byggnad Nedladdning, vektor* as GeoPackage, so a STAC
+item for a building tile carries a `.gpkg` asset rather than inline GeoJSON.
+
+A GeoPackage is a SQLite database with an agreed set of metadata tables, and
+geometry stored as a small binary header followed by standard WKB. Both are
+published specifications with fixed layouts, so decoding them here costs about
+a hundred lines of `sqlite3` and `struct` -- against a GDAL/fiona/geopandas
+dependency that would not install on a Pi without a compiler and pulls in a
+second projection stack we already decided not to carry (see sweref.py, which
+implements SWEREF 99 TM directly for the same reason).
+
+Only what a roof model needs is read: polygon and multipolygon rings, in the
+file's own coordinate reference system. Curves, triangulated surfaces and the
+extended (`GPB` "extended geometry") binary types are rejected explicitly rather
+than mis-parsed, because a wrong ring silently clips the wrong LiDAR.
+
+References
+----------
+GeoPackage Encoding Standard (OGC 12-128r19), clause 2.1.3 "BLOB Format".
+OpenGIS Simple Features (OGC 06-103r4), clause 8.2 "Well-known Binary".
+"""
+
+from __future__ import annotations
+
+import os
+import sqlite3
+import struct
+import tempfile
+from typing import Any, Iterator
+
+# "GP" -- the two magic bytes every GeoPackage geometry blob starts with.
+GPKG_MAGIC = b"GP"
+
+# Envelope sizes in doubles, indexed by the header's envelope indicator.
+# 0 = absent, 1 = xy, 2 = xyz, 3 = xym, 4 = xyzm. 5-7 are reserved.
+_ENVELOPE_DOUBLES = {0: 0, 1: 4, 2: 6, 3: 6, 4: 8}
+
+# WKB geometry type codes we can use. The ISO variants add 1000 for Z, 2000 for
+# M and 3000 for ZM, so the base code is recovered with % 1000.
+_WKB_POLYGON = 3
+_WKB_MULTIPOLYGON = 6
+
+# The EWKB flag bits PostGIS adds to the type word. GeoPackage forbids them, but
+# files written by other tools do turn up, and reading a flagged type as a
+# geometry code would silently produce nonsense.
+_EWKB_Z = 0x80000000
+_EWKB_M = 0x40000000
+_EWKB_SRID = 0x20000000
+
+
+class GeoPackageError(ValueError):
+ """The file is not a GeoPackage, or holds geometry we will not guess at."""
+
+
+def _unpack(fmt: str, data: bytes, offset: int) -> tuple[Any, ...]:
+ size = struct.calcsize(fmt)
+ if offset + size > len(data):
+ raise GeoPackageError("geometry blob ended mid-value")
+ return struct.unpack_from(fmt, data, offset)
+
+
+def _dimensions(type_word: int) -> tuple[int, int]:
+ """(base geometry code, coordinates per point) for a WKB type word."""
+ has_z = bool(type_word & _EWKB_Z)
+ has_m = bool(type_word & _EWKB_M)
+ code = type_word & ~(_EWKB_Z | _EWKB_M | _EWKB_SRID)
+ # ISO style: 1000/2000/3000 offsets carry the same information.
+ if code >= 3000:
+ code, has_z, has_m = code - 3000, True, True
+ elif code >= 2000:
+ code, has_m = code - 2000, True
+ elif code >= 1000:
+ code, has_z = code - 1000, True
+ return code, 2 + int(has_z) + int(has_m)
+
+
+def _read_ring(data: bytes, offset: int, endian: str, coords: int) -> tuple[list[tuple[float, float]], int]:
+ (count,) = _unpack(endian + "I", data, offset)
+ offset += 4
+ stride = 8 * coords
+ ring: list[tuple[float, float]] = []
+ for _ in range(count):
+ x, y = _unpack(endian + "dd", data, offset)
+ ring.append((x, y))
+ offset += stride
+ return ring, offset
+
+
+def _read_polygon(data: bytes, offset: int, endian: str, coords: int) -> tuple[list[list[tuple[float, float]]], int]:
+ (n_rings,) = _unpack(endian + "I", data, offset)
+ offset += 4
+ rings = []
+ for _ in range(n_rings):
+ ring, offset = _read_ring(data, offset, endian, coords)
+ rings.append(ring)
+ return rings, offset
+
+
+def _read_geometry(data: bytes, offset: int) -> tuple[list[list[list[tuple[float, float]]]], int]:
+ """Read one WKB geometry, returning it as a list of polygons."""
+ (byte_order,) = _unpack("B", data, offset)
+ endian = "<" if byte_order == 1 else ">"
+ (type_word,) = _unpack(endian + "I", data, offset + 1)
+ offset += 5
+ if type_word & _EWKB_SRID:
+ offset += 4 # embedded SRID, which we take from the header instead
+ code, coords = _dimensions(type_word)
+ if code == _WKB_POLYGON:
+ rings, offset = _read_polygon(data, offset, endian, coords)
+ return [rings], offset
+ if code == _WKB_MULTIPOLYGON:
+ (n,) = _unpack(endian + "I", data, offset)
+ offset += 4
+ polys = []
+ for _ in range(n):
+ # Each part carries its own byte order and type word.
+ part, offset = _read_geometry(data, offset)
+ polys.extend(part)
+ return polys, offset
+ raise GeoPackageError(
+ f"WKB geometry type {code} is not a polygon; a building footprint must be "
+ "a Polygon or MultiPolygon"
+ )
+
+
+def parse_geometry_blob(blob: bytes) -> dict[str, Any] | None:
+ """Decode a GeoPackage geometry BLOB into a GeoJSON-shaped geometry.
+
+ Returns None for the empty geometry, which GeoPackage represents with a flag
+ rather than an absent row.
+ """
+ if len(blob) < 8 or blob[:2] != GPKG_MAGIC:
+ raise GeoPackageError("not a GeoPackage geometry blob (bad magic)")
+ flags = blob[3]
+ if flags & 0x20:
+ raise GeoPackageError(
+ "extended (ExtendedGeoPackageBinary) geometry is not supported"
+ )
+ envelope_indicator = (flags >> 1) & 0x07
+ if envelope_indicator not in _ENVELOPE_DOUBLES:
+ raise GeoPackageError(f"reserved envelope indicator {envelope_indicator}")
+ if flags & 0x10: # empty geometry
+ return None
+ offset = 8 + 8 * _ENVELOPE_DOUBLES[envelope_indicator]
+ polygons, _ = _read_geometry(blob, offset)
+ if not polygons:
+ return None
+ if len(polygons) == 1:
+ return {"type": "Polygon", "coordinates": [[list(p) for p in r] for r in polygons[0]]}
+ return {
+ "type": "MultiPolygon",
+ "coordinates": [[[list(p) for p in r] for r in poly] for poly in polygons],
+ }
+
+
+def _feature_tables(conn: sqlite3.Connection) -> list[tuple[str, str]]:
+ """(table, geometry column) for every feature table in the file."""
+ try:
+ rows = conn.execute(
+ "SELECT c.table_name, g.column_name FROM gpkg_contents c "
+ "JOIN gpkg_geometry_columns g ON g.table_name = c.table_name "
+ "WHERE c.data_type = 'features'"
+ ).fetchall()
+ except sqlite3.DatabaseError as exc:
+ raise GeoPackageError(f"not a readable GeoPackage: {exc}") from exc
+ return [(str(t), str(c)) for t, c in rows]
+
+
+def _blob_envelope(blob: bytes) -> tuple[float, float, float, float] | None:
+ """The header envelope of a geometry blob as (minx, miny, maxx, maxy).
+
+ GeoPackage stores it as [minx, maxx, miny, maxy] doubles right after the
+ 8-byte header (OGC 12-128r19, clause 2.1.3), in the header's own byte
+ order. None when the writer chose not to include one.
+ """
+ if len(blob) < 8 or blob[:2] != GPKG_MAGIC:
+ return None
+ flags = blob[3]
+ if ((flags >> 1) & 0x07) == 0 or flags & 0x10:
+ return None
+ endian = "<" if flags & 0x01 else ">"
+ try:
+ minx, maxx, miny, maxy = _unpack(endian + "dddd", blob, 8)
+ except GeoPackageError:
+ return None
+ return (minx, miny, maxx, maxy)
+
+
+def _intersects(a: tuple[float, float, float, float], b: tuple[float, float, float, float]) -> bool:
+ return a[0] <= b[2] and a[2] >= b[0] and a[1] <= b[3] and a[3] >= b[1]
+
+
+def _geometry_bounds(geometry: dict[str, Any]) -> tuple[float, float, float, float] | None:
+ """(minx, miny, maxx, maxy) over every ring of a parsed geometry.
+
+ The fallback when a writer omitted the header envelope — Lantmaeteriet's
+ municipality files do (flags 0x00 on every blob), so without this the
+ bbox filter would keep all 90k+ rows and the row limit would truncate the
+ table before it ever reached the site.
+ """
+ polys = geometry.get("coordinates") or []
+ if geometry.get("type") == "Polygon":
+ polys = [polys]
+ xs: list[float] = []
+ ys: list[float] = []
+ for poly in polys:
+ for ring in poly:
+ for point in ring:
+ xs.append(point[0])
+ ys.append(point[1])
+ if not xs:
+ return None
+ return (min(xs), min(ys), max(xs), max(ys))
+
+
+def read_features(
+ data: bytes,
+ *,
+ limit: int = 5000,
+ bboxes: list[tuple[float, float, float, float]] | None = None,
+) -> list[dict[str, Any]]:
+ """Every polygon feature in a GeoPackage, as GeoJSON-shaped dicts.
+
+ Attributes travel alongside the geometry so the picker can label a building
+ with whatever the source calls it.
+
+ `bboxes` filters by the geometry blobs' header envelopes: a row is kept
+ when its envelope intersects ANY of the boxes (each (minx, miny, maxx,
+ maxy)). More than one box exists because the file's CRS isn't declared to
+ this reader — the caller passes the same window in every frame the file
+ could be in, and the frames' coordinate magnitudes are so far apart
+ (degrees vs. six-figure metres) that only the matching one can intersect.
+ Lantmaeteriet ships one GeoPackage per *municipality*, so without a filter
+ a 150 m search would decode a whole city.
+ """
+ return list(iter_features(data, limit=limit, bboxes=bboxes))
+
+
+def iter_features(
+ data: bytes,
+ *,
+ limit: int = 5000,
+ bboxes: list[tuple[float, float, float, float]] | None = None,
+) -> Iterator[dict[str, Any]]:
+ if not data.startswith(b"SQLite format 3\x00"):
+ raise GeoPackageError(
+ "asset is not a GeoPackage (missing the SQLite file header)"
+ )
+ # sqlite3 opens paths, not buffers, and a GeoPackage is random-access by
+ # design, so the bytes land in a temp file for the life of the read.
+ fd, path = tempfile.mkstemp(suffix=".gpkg")
+ try:
+ with os.fdopen(fd, "wb") as fh:
+ fh.write(data)
+ conn = sqlite3.connect(path)
+ try:
+ conn.row_factory = sqlite3.Row
+ yielded = 0
+ for table, geom_col in _feature_tables(conn):
+ cursor = conn.execute(f'SELECT * FROM "{table}"')
+ for row in cursor:
+ if yielded >= limit:
+ return
+ blob = row[geom_col]
+ if not isinstance(blob, (bytes, bytearray)):
+ continue
+ env = None
+ if bboxes:
+ env = _blob_envelope(bytes(blob))
+ if env is not None and not any(_intersects(env, b) for b in bboxes):
+ continue
+ try:
+ geometry = parse_geometry_blob(bytes(blob))
+ except GeoPackageError:
+ # One unreadable row must not lose the other buildings
+ # in the tile.
+ continue
+ if geometry is None:
+ continue
+ if bboxes and env is None:
+ bounds = _geometry_bounds(geometry)
+ if bounds is not None and not any(_intersects(bounds, b) for b in bboxes):
+ continue
+ props = {
+ k: row[k]
+ for k in row.keys()
+ if k != geom_col and isinstance(row[k], (str, int, float))
+ }
+ yield {
+ "id": str(props.get("objektidentitet") or f"{table}-{yielded}"),
+ "geometry": geometry,
+ "properties": props,
+ }
+ yielded += 1
+ finally:
+ conn.close()
+ finally:
+ try:
+ os.unlink(path)
+ except OSError: # pragma: no cover - Windows may hold the handle briefly
+ pass
diff --git a/roofmodel/ftw_roofmodel/geotorget.py b/roofmodel/ftw_roofmodel/geotorget.py
new file mode 100644
index 000000000..bbe4a13e6
--- /dev/null
+++ b/roofmodel/ftw_roofmodel/geotorget.py
@@ -0,0 +1,326 @@
+"""STAC catalog access: authentication, search, and asset download.
+
+The default catalog is Lantmaeteriet's Geotorget, where two products are used,
+both free open data (CC BY 4.0) but both gated behind a Geotorget account the
+operator orders themselves:
+
+ * *Byggnad Nedladdning, vektor* -- building footprint polygons.
+ * *Laserdata Nedladdning, Skog* -- airborne LiDAR, 1-2 points/m2, from 2018.
+
+Authentication is HTTP Basic with the operator's own Geotorget account
+username and password: Lantmaeteriet provides no OAuth for its STAC download
+APIs, so the account credential is the only door. Credentials are the
+operator's own and are never shipped, logged or echoed back through the API.
+FTW stores them the same way it stores `weather.api_key`, and redacts them in
+config responses.
+
+Nothing below is Lantmaeteriet-specific beyond the defaults: search is the
+standard `POST {base}/search` of the STAC API spec and downloads follow asset
+hrefs, so any STAC-conformant catalog behind Basic auth (or none) works by
+pointing `base_url` and the collection ids elsewhere. The one non-standard
+wrinkle is the search bbox CRS -- the spec mandates WGS84, Lantmaeteriet
+expects SWEREF 99 TM -- which is why callers choose the bbox they send (see
+`--bbox-epsg` in __main__).
+
+Only `requests` is used. The STAC API is plain JSON over HTTP, so pulling in
+pystac-client would add a dependency for a search body we can write in six
+lines -- and a thinner surface is easier to keep working when Lantmaeteriet
+moves an endpoint.
+"""
+
+from __future__ import annotations
+
+import dataclasses
+import datetime as dt
+from typing import Any, Iterable
+
+# Roots of the STAC APIs, as verified against the live service (2026-09-02):
+# Lantmaeteriet does not serve one catalogue — vector products and elevation
+# products have separate STAC roots. The standard search endpoint is
+# POST {base}/search on each, it takes a WGS84 (lon/lat) bbox per the STAC
+# spec, and the catalogue metadata is anonymously readable; the Geotorget
+# credentials are enforced on the asset downloads (dl1.lantmateriet.se
+# answers 401 without them).
+DEFAULT_BASE_URL = "https://api.lantmateriet.se/stac-vektor/v1"
+DEFAULT_LIDAR_BASE_URL = "https://api.lantmateriet.se/stac-hojd/v1"
+
+# Collection ids as published in the live catalogues. Buildings are one item
+# per municipality whose asset is a ZIP holding a GeoPackage; "Laserdata Skog"
+# is published as `dsm-skoglig-copc` — a surface-model point cloud in
+# LAZ/COPC — on the elevation root.
+COLLECTION_BUILDINGS = "byggnader"
+COLLECTION_LIDAR = "dsm-skoglig-copc"
+
+# Media types, so an asset is chosen by *what it is* rather than by hoping the
+# publisher named the key "data". Byggnader delivers a zipped GeoPackage;
+# Laserdata Skog delivers LAZ organised as COPC (Cloud Optimized Point Cloud).
+MEDIA_GEOPACKAGE = "application/geopackage+sqlite3"
+MEDIA_COPC = "application/vnd.laszip+copc"
+MEDIA_LAZ = "application/vnd.laszip"
+MEDIA_LAS = "application/vnd.las"
+MEDIA_GEOJSON = "application/geo+json"
+MEDIA_ZIP = "application/zip"
+
+# Longest suffix first: a COPC file is also a .laz, and reading it as a plain
+# one would download the whole tile instead of the part we asked for.
+_EXTENSION_MEDIA: tuple[tuple[str, str], ...] = (
+ (".copc.laz", MEDIA_COPC),
+ (".gpkg", MEDIA_GEOPACKAGE),
+ (".geojson", MEDIA_GEOJSON),
+ (".laz", MEDIA_LAZ),
+ (".las", MEDIA_LAS),
+ (".zip", MEDIA_ZIP),
+)
+
+
+class GeotorgetError(RuntimeError):
+ """Any failure talking to Geotorget."""
+
+
+class MissingCredentials(GeotorgetError):
+ """No usable credentials were supplied."""
+
+
+@dataclasses.dataclass(frozen=True)
+class Credentials:
+ username: str
+ password: str
+
+ def validate(self) -> None:
+ if not self.username or not self.password:
+ raise MissingCredentials(
+ "a STAC username and password are both required; for Lantmäteriet, "
+ "order access at https://geotorget.lantmateriet.se and set "
+ "roofmodel.stac_username and roofmodel.stac_password to your "
+ "Geotorget account credentials"
+ )
+
+
+def media_type_for(href: str) -> str | None:
+ """Media type implied by a URL's extension, or None if it says nothing."""
+ path = href.split("?", 1)[0].split("#", 1)[0].lower()
+ for suffix, media in _EXTENSION_MEDIA:
+ if path.endswith(suffix):
+ return media
+ return None
+
+
+@dataclasses.dataclass(frozen=True)
+class Asset:
+ """One STAC asset: where it is, and what it is."""
+
+ href: str
+ media_type: str | None = None
+ roles: tuple[str, ...] = ()
+ title: str = ""
+
+ @property
+ def effective_media_type(self) -> str | None:
+ """Declared media type, or the one the extension implies.
+
+ Catalogues are inconsistent about `type`, and an asset with no declared
+ type is common enough that refusing to guess would mean refusing most
+ real items. The extension is only consulted when nothing was declared.
+ """
+ return self.media_type or media_type_for(self.href)
+
+
+@dataclasses.dataclass
+class StacItem:
+ """One STAC item, reduced to what the pipeline needs."""
+
+ item_id: str
+ collection: str
+ assets: dict[str, Asset]
+ captured_at: dt.datetime | None
+ raw: dict[str, Any] = dataclasses.field(default_factory=dict, repr=False)
+
+ def __post_init__(self) -> None:
+ # A bare href is accepted wherever an Asset is, so callers and tests can
+ # write {"data": "http://.../tile.copc.laz"} without losing the typing
+ # that selection depends on -- the extension supplies it.
+ self.assets = {
+ name: value if isinstance(value, Asset) else Asset(href=str(value))
+ for name, value in (self.assets or {}).items()
+ }
+
+ def pick(self, *media_types: str) -> Asset | None:
+ """Best asset for a wanted media type, most preferred type first.
+
+ Where nothing declares a usable type the search widens: an asset with
+ the `data` role, then a lone asset, since an item carrying exactly one
+ asset is unambiguous however it is labelled.
+
+ Both fallbacks consider only assets of *unknown* type. Guessing in the
+ absence of information is reasonable; guessing against it is not, and an
+ item whose single asset is a thumbnail must not be handed back as a
+ point cloud.
+ """
+ for wanted in media_types:
+ for asset in self.assets.values():
+ if asset.effective_media_type == wanted:
+ return asset
+ untyped = [a for a in self.assets.values() if a.effective_media_type is None]
+ for asset in untyped:
+ if "data" in asset.roles:
+ return asset
+ if len(untyped) == 1:
+ return untyped[0]
+ return None
+
+ def asset_url(self, *preferred: str) -> str | None:
+ """First matching asset href, trying each preferred key in order."""
+ for key in preferred:
+ if key in self.assets:
+ return self.assets[key].href
+ first = next(iter(self.assets.values()), None)
+ return first.href if first else None
+
+
+def _parse_datetime(value: str | None) -> dt.datetime | None:
+ """Parse a STAC RFC 3339 timestamp.
+
+ Lantmaeteriet is backfilling `properties.datetime` across 2026, so it is
+ routinely absent. That is a missing provenance date, not an error -- the UI
+ degrades to "capture date unknown" rather than refusing the model.
+ """
+ if not value:
+ return None
+ try:
+ return dt.datetime.fromisoformat(value.replace("Z", "+00:00"))
+ except ValueError:
+ return None
+
+
+def _item_from_feature(feature: dict[str, Any]) -> StacItem:
+ props = feature.get("properties") or {}
+ assets = {
+ name: Asset(
+ href=asset.get("href", ""),
+ media_type=asset.get("type") or None,
+ roles=tuple(asset.get("roles") or ()),
+ title=str(asset.get("title") or ""),
+ )
+ for name, asset in (feature.get("assets") or {}).items()
+ if asset.get("href")
+ }
+ captured = _parse_datetime(props.get("datetime")) or _parse_datetime(
+ props.get("start_datetime")
+ )
+ if captured is None:
+ # Laser strips carry an acquisition date as `datum` (e.g. "20180301")
+ # even where the STAC datetime has not been backfilled yet.
+ datum = props.get("datum")
+ if datum:
+ try:
+ captured = dt.datetime.strptime(str(datum), "%Y%m%d").replace(
+ tzinfo=dt.timezone.utc
+ )
+ except ValueError:
+ captured = None
+ return StacItem(
+ item_id=feature.get("id", ""),
+ collection=feature.get("collection", ""),
+ assets=assets,
+ captured_at=captured,
+ raw=feature,
+ )
+
+
+class StacClient:
+ """Thin client for a STAC search-and-download API over HTTP Basic auth.
+
+ Defaults target Lantmaeteriet's Geotorget catalog, but nothing here
+ depends on it: base_url and the collection ids passed to `search` are the
+ whole coupling.
+ """
+
+ def __init__(
+ self,
+ credentials: Credentials,
+ session: Any = None,
+ base_url: str = DEFAULT_BASE_URL,
+ timeout: float = 60.0,
+ ) -> None:
+ self._base_url = base_url.rstrip("/")
+ # Lantmäteriet always demands the operator's Geotorget account, so
+ # missing credentials there deserve the ordering instructions early.
+ # A custom catalog may be open: no credentials means anonymous access,
+ # while half a credential is still an error either way.
+ self._anonymous = not (credentials.username or credentials.password)
+ if not self._anonymous or self._base_url in (DEFAULT_BASE_URL, DEFAULT_LIDAR_BASE_URL):
+ credentials.validate()
+ self._credentials = credentials
+ self._timeout = timeout
+ if session is None:
+ import requests # imported lazily so tests can inject a fake session
+
+ session = requests.Session()
+ if not self._anonymous:
+ session.auth = (credentials.username, credentials.password)
+ self._session = session
+
+ @property
+ def session(self) -> Any:
+ """The authenticated session, for readers that stream their own ranges."""
+ return self._session
+
+ def search(
+ self,
+ collection: str,
+ bbox: tuple[float, float, float, float],
+ limit: int = 20,
+ ) -> list[StacItem]:
+ """POST {base}/search for one collection over a bbox.
+
+ The bbox is (min_x, min_y, max_x, max_y) in whatever CRS the catalog
+ expects -- the STAC spec says WGS84 lon/lat, and the live Lantmaeteriet
+ service follows it -- so the caller chooses what to send and no
+ reprojection happens here.
+ """
+ body = {
+ "collections": [collection],
+ "bbox": list(bbox),
+ "limit": limit,
+ }
+ url = f"{self._base_url}/search"
+ try:
+ resp = self._session.post(url, json=body, timeout=self._timeout)
+ except Exception as exc: # network, DNS, TLS
+ raise GeotorgetError(f"STAC search failed: {exc}") from exc
+ if resp.status_code in (401, 403):
+ if self._anonymous:
+ raise MissingCredentials(
+ f"the STAC catalog requires credentials for {collection} "
+ f"(HTTP {resp.status_code}). Set roofmodel.stac_username "
+ "and roofmodel.stac_password for this catalog."
+ )
+ raise MissingCredentials(
+ f"the STAC catalog rejected the credentials for {collection} "
+ f"(HTTP {resp.status_code}). Check the username and password, and "
+ "that the account has ordered access to this product."
+ )
+ if resp.status_code != 200:
+ raise GeotorgetError(f"STAC search returned HTTP {resp.status_code}")
+ payload = resp.json()
+ return [_item_from_feature(f) for f in payload.get("features", [])]
+
+ def download(self, url: str) -> bytes:
+ """Fetch one asset."""
+ try:
+ resp = self._session.get(url, timeout=self._timeout)
+ except Exception as exc:
+ raise GeotorgetError(f"asset download failed: {exc}") from exc
+ if resp.status_code != 200:
+ raise GeotorgetError(f"asset download returned HTTP {resp.status_code}")
+ return resp.content
+
+
+def newest_capture(items: Iterable[StacItem]) -> dt.datetime | None:
+ """Most recent known capture date across items, or None if none carry one."""
+ dates = [i.captured_at for i in items if i.captured_at is not None]
+ return max(dates) if dates else None
+
+
+# The client predates its generalization; the old name stays importable.
+GeotorgetClient = StacClient
diff --git a/roofmodel/ftw_roofmodel/pipeline.py b/roofmodel/ftw_roofmodel/pipeline.py
new file mode 100644
index 000000000..f8f764e3c
--- /dev/null
+++ b/roofmodel/ftw_roofmodel/pipeline.py
@@ -0,0 +1,310 @@
+"""Derive roof geometry for a site: STAC search -> LiDAR -> planes -> arrays.
+
+The output contract is a versioned `roof_model.json`, which is the whole reason
+this lives in a separate module rather than inside core: core only ever reads
+that document, so the heavy geospatial dependencies, their failure modes and
+their update cadence stay on this side of the boundary.
+
+Nothing here is authoritative. The derived arrays *pre-fill* the operator's
+editable `weather.pv_arrays`; they are hints, and the numeric editor stays the
+final word. A failure produces a clean error and leaves the existing config
+untouched.
+"""
+
+from __future__ import annotations
+
+import dataclasses
+import datetime as dt
+from typing import Any
+
+from . import geotorget, pointcloud, sweref
+from .buildings import (
+ DEFAULT_EAVES_BUFFER_M,
+ DEFAULT_SEARCH_RADIUS_M,
+ Building,
+ building_from_drawn_footprint,
+ clip_to_footprint,
+ search_buildings,
+)
+from .geotorget import (
+ COLLECTION_BUILDINGS,
+ COLLECTION_LIDAR,
+ Credentials,
+ GeotorgetClient,
+ GeotorgetError,
+ StacItem,
+ newest_capture,
+)
+from .segment import (
+ DEFAULT_MODULE_W_PER_M2,
+ DEFAULT_PACKING_FACTOR,
+ RoofPlane,
+ segment_roof,
+)
+
+SCHEMA_VERSION = 1
+
+# How far around the site to pull LiDAR. 40 m comfortably contains a detached
+# house and its outbuildings without dragging in the neighbours' roofs.
+DEFAULT_RADIUS_M = 40.0
+
+# Roof faces smaller than this are dormers, porches and sheds: real surfaces,
+# but not worth proposing as a PV array.
+MIN_ARRAY_AREA_M2 = 8.0
+
+# Lantmaeteriet's Laserdata Skog is specified at 1-2 points/m2.
+NOMINAL_POINT_DENSITY = 1.5
+
+# Below this, a clipped footprint cannot support a plane fit -- segment_roof
+# needs 40 points for a single face, and a roof has at least two.
+MIN_POINTS_AFTER_CLIP = 80
+
+
+class RoofModelError(RuntimeError):
+ """Derivation failed."""
+
+
+@dataclasses.dataclass
+class DerivedArray:
+ name: str
+ rated_w: float
+ tilt_deg: float
+ azimuth_deg: float
+ area_m2: float
+ segment_id: str
+
+ def to_json(self) -> dict[str, Any]:
+ return {
+ "name": self.name,
+ "rated_w": round(self.rated_w),
+ "tilt_deg": round(self.tilt_deg, 1),
+ "azimuth_deg": round(self.azimuth_deg, 1),
+ "area_m2": round(self.area_m2, 1),
+ "segment_id": self.segment_id,
+ }
+
+
+def _compass_name(azimuth_deg: float, tilt_deg: float) -> str:
+ """Human-readable face name, e.g. "Roof south"."""
+ if tilt_deg < 5.0:
+ return "Roof flat"
+ points = [
+ (0, "north"), (45, "north-east"), (90, "east"), (135, "south-east"),
+ (180, "south"), (225, "south-west"), (270, "west"), (315, "north-west"),
+ (360, "north"),
+ ]
+ best = min(points, key=lambda p: abs(p[0] - azimuth_deg))
+ return f"Roof {best[1]}"
+
+
+def planes_to_arrays(
+ planes: list[RoofPlane],
+ *,
+ packing_factor: float = DEFAULT_PACKING_FACTOR,
+ module_w_per_m2: float = DEFAULT_MODULE_W_PER_M2,
+ min_area_m2: float = MIN_ARRAY_AREA_M2,
+) -> list[DerivedArray]:
+ """Convert roof planes into candidate PV arrays.
+
+ North-facing pitched roofs are dropped: at Swedish latitudes a north face
+ at any real pitch yields so little that proposing it as an array would be
+ noise in the operator's config. Flat roofs are kept -- they are mounted to
+ face south regardless of which way the building points.
+ """
+ arrays: list[DerivedArray] = []
+ used: dict[str, int] = {}
+ for idx, plane in enumerate(planes):
+ if plane.area_m2 < min_area_m2:
+ continue
+ if plane.tilt_deg >= 5.0 and (plane.azimuth_deg <= 45.0 or plane.azimuth_deg >= 315.0):
+ continue
+ name = _compass_name(plane.azimuth_deg, plane.tilt_deg)
+ used[name] = used.get(name, 0) + 1
+ if used[name] > 1:
+ name = f"{name} {used[name]}"
+ arrays.append(
+ DerivedArray(
+ name=name,
+ rated_w=plane.rated_w(packing_factor, module_w_per_m2),
+ tilt_deg=plane.tilt_deg,
+ azimuth_deg=plane.azimuth_deg,
+ area_m2=plane.area_m2,
+ segment_id=f"seg-{idx}",
+ )
+ )
+ return arrays
+
+
+def load_points(data: bytes) -> Any:
+ """Decode a whole LAZ/LAS payload into (N, 3) SWEREF 99 TM metres.
+
+ Re-exported from pointcloud so that laspy stays lazily imported: everything
+ above -- projection, segmentation, array derivation -- is importable and
+ testable without the geospatial stack installed.
+ """
+ return pointcloud.load_points(data)
+
+
+def _read_lidar(
+ client: GeotorgetClient,
+ items: list[StacItem],
+ chosen: Building | None,
+) -> tuple[Any, str]:
+ """Points for the first readable LiDAR asset, and how they were fetched.
+
+ Laserdata Skog is LAZ organised as COPC, so when the operator has already
+ picked a building there is no reason to move the rest of a 2.5 km tile
+ across the network: the footprint's bounding box is exactly the query COPC
+ is built to answer. Everything about that is best-effort -- a plain LAZ
+ asset, a host that ignores `Range`, or a laspy without COPC support all
+ fall back to reading the tile whole.
+ """
+ for item in items:
+ asset = item.pick(
+ geotorget.MEDIA_COPC, geotorget.MEDIA_LAZ, geotorget.MEDIA_LAS
+ )
+ if asset is None or not asset.href:
+ continue
+ if chosen is not None and asset.effective_media_type == geotorget.MEDIA_COPC:
+ session = getattr(client, "session", None)
+ if session is not None:
+ bounds = pointcloud.bounds_of(chosen.ring_sweref, DEFAULT_EAVES_BUFFER_M)
+ try:
+ return pointcloud.read_copc_window(session, asset.href, bounds), "copc-window"
+ except pointcloud.PointCloudError:
+ # A slow success beats a failure; the operator gets their
+ # roof either way, and `fetch` records which path ran.
+ pass
+ return load_points(client.download(asset.href)), "whole-tile"
+ raise RoofModelError("LiDAR tiles carried no readable point data")
+
+
+def derive(
+ *,
+ latitude: float,
+ longitude: float,
+ credentials: Credentials,
+ client: GeotorgetClient | None = None,
+ radius_m: float = DEFAULT_RADIUS_M,
+ packing_factor: float = DEFAULT_PACKING_FACTOR,
+ module_w_per_m2: float = DEFAULT_MODULE_W_PER_M2,
+ building_id: str | None = None,
+ footprint: list[Any] | None = None,
+ now: dt.datetime | None = None,
+ base_url: str = geotorget.DEFAULT_BASE_URL,
+ buildings_collection: str = COLLECTION_BUILDINGS,
+ lidar_collection: str = COLLECTION_LIDAR,
+ bbox_epsg: int = 4326,
+) -> dict[str, Any]:
+ """Derive a roof model for one site and return it as a JSON-ready dict.
+
+ Pass `building_id` -- one the operator picked from `search_buildings` -- to
+ clip the LiDAR to that footprint before segmenting, or `footprint` -- a
+ hand-drawn [lon, lat] ring -- where the catalog publishes no building
+ dataset to pick from. A drawn footprint wins over a building id. Without
+ either the whole radius is segmented, which will happily return the
+ neighbour's roof and lets coplanar buildings steal each other's points;
+ see buildings.py.
+
+ The catalog parameters default to Lantmaeteriet; any STAC-conformant
+ catalog can stand in (see geotorget.py), as long as its data arrives in
+ SWEREF 99 TM -- the segmentation works in that frame.
+ """
+ # Lantmaeteriet splits its STAC service per product family: buildings live
+ # on the vector root, the point clouds on the elevation root. An injected
+ # client (tests, the demo) serves both; so does a custom single-root
+ # catalog. Only the Lantmaeteriet default needs the second client.
+ lidar_client = client
+ if client is None:
+ client = GeotorgetClient(credentials, base_url=base_url)
+ lidar_client = client
+ if base_url == geotorget.DEFAULT_BASE_URL:
+ lidar_client = GeotorgetClient(
+ credentials, base_url=geotorget.DEFAULT_LIDAR_BASE_URL
+ )
+
+ chosen: Building | None = None
+ if footprint:
+ chosen = building_from_drawn_footprint(footprint)
+ elif building_id:
+ # Re-find the picked footprint with the same reach the picker's own
+ # search had. `radius_m` is the LiDAR/segmentation radius (tens of
+ # metres); a building the operator picked from the 150 m search would
+ # vanish here if it alone bounded the re-search.
+ candidates = search_buildings(
+ client, latitude=latitude, longitude=longitude,
+ radius_m=max(radius_m, DEFAULT_SEARCH_RADIUS_M),
+ collection=buildings_collection, bbox_epsg=bbox_epsg,
+ )
+ chosen = next((b for b in candidates if b.building_id == building_id), None)
+ if chosen is None:
+ raise RoofModelError(
+ f"building {building_id!r} was not found near this site; it may "
+ "have been picked against a different coordinate"
+ )
+
+ # The LiDAR lookup centres on the roof being derived: for a picked
+ # building that is its centroid, not the site pin — a barn at the edge of
+ # the search radius must find *its* tile, not the pin's.
+ lidar_lat, lidar_lon = latitude, longitude
+ if chosen is not None:
+ lidar_lat, lidar_lon = chosen.centroid_wgs84()
+ bbox = sweref.stac_search_bbox(lidar_lat, lidar_lon, radius_m, bbox_epsg)
+
+ try:
+ lidar_items: list[StacItem] = lidar_client.search(lidar_collection, bbox)
+ except GeotorgetError:
+ raise
+ if not lidar_items:
+ hint = "; Lantmaeteriet data is Sweden only" if lidar_collection == COLLECTION_LIDAR else ""
+ raise RoofModelError(
+ f"no LiDAR tiles cover ({lidar_lat:.5f}, {lidar_lon:.5f}) in "
+ f"collection {lidar_collection!r}{hint}"
+ )
+
+ points, fetch = _read_lidar(lidar_client, lidar_items, chosen)
+ if points is None or len(points) == 0:
+ raise RoofModelError("LiDAR tiles carried no readable point data")
+
+ total_returns = len(points)
+ if chosen is not None:
+ points = clip_to_footprint(points, chosen.ring_sweref)
+ if len(points) < MIN_POINTS_AFTER_CLIP:
+ raise RoofModelError(
+ f"only {len(points)} LiDAR returns fall on building "
+ f"{chosen.building_id!r}. The footprint and the point cloud may "
+ "be from different years, or the building is newer than the scan."
+ )
+
+ planes = segment_roof(points, point_density=NOMINAL_POINT_DENSITY)
+ arrays = planes_to_arrays(
+ planes, packing_factor=packing_factor, module_w_per_m2=module_w_per_m2
+ )
+
+ captured = newest_capture(lidar_items)
+ stamp = now or dt.datetime.now(dt.timezone.utc)
+ return {
+ "schema_version": SCHEMA_VERSION,
+ "site": {"latitude": latitude, "longitude": longitude, "radius_m": radius_m},
+ "source": {
+ "provider": "lantmateriet" if base_url == geotorget.DEFAULT_BASE_URL else base_url,
+ "collection": lidar_collection,
+ "item_count": len(lidar_items),
+ "dataset_datetime": captured.isoformat() if captured else None,
+ # "copc-window" means only the footprint's neighbourhood was moved
+ # across the network, which also makes returns_in_radius below a
+ # count over that window rather than over the whole search radius.
+ "fetch": fetch,
+ },
+ "building": {
+ "building_id": chosen.building_id,
+ "area_m2": round(chosen.area_m2, 1),
+ "footprint": chosen.to_geojson()["geometry"],
+ "returns_used": len(points),
+ "returns_in_radius": total_returns,
+ } if chosen is not None else None,
+ "arrays": [a.to_json() for a in arrays],
+ "planes_found": len(planes),
+ "captured_at_ms": int(captured.timestamp() * 1000) if captured else None,
+ "derived_at_ms": int(stamp.timestamp() * 1000),
+ }
diff --git a/roofmodel/ftw_roofmodel/pointcloud.py b/roofmodel/ftw_roofmodel/pointcloud.py
new file mode 100644
index 000000000..c49927dea
--- /dev/null
+++ b/roofmodel/ftw_roofmodel/pointcloud.py
@@ -0,0 +1,245 @@
+"""Read Lantmaeteriet LiDAR, fetching only the part of the tile we need.
+
+*Laserdata Nedladdning, Skog* is delivered as LAZ organised as **COPC** (Cloud
+Optimized Point Cloud): the points are ordered into an octree and the node index
+lives in a VLR at a known offset, so a reader that can issue HTTP range requests
+can pull the handful of octree nodes covering one building instead of the whole
+2.5 km tile.
+
+That is worth real money on a Pi. A Laserdata Skog tile is hundreds of megabytes;
+a detached house is a few tens of metres across. Since the operator has already
+told us *which building* they mean, the bounding box of that footprint is exactly
+the query COPC exists to answer.
+
+The fallbacks are deliberate and ordered, because none of the preconditions are
+guaranteed:
+
+ 1. COPC asset + a bounding box + a server that honours `Range` -> spatial query.
+ 2. Anything else -> download the asset and read it whole.
+
+A server that ignores `Range` returns 200 with the entire body, which would
+otherwise be mistaken for a successful partial read, so that case is detected on
+the status code rather than assumed away.
+"""
+
+from __future__ import annotations
+
+import io
+from typing import Any
+
+__all__ = [
+ "PointCloudError",
+ "HttpRangeFile",
+ "bounds_of",
+ "copc_query_z_range",
+ "load_points",
+ "read_copc_window",
+]
+
+# Read this much per range request. COPC chunks are small, and a request per
+# chunk would spend more time in round trips than in transfer.
+DEFAULT_CHUNK_BYTES = 1 << 20
+
+
+class PointCloudError(RuntimeError):
+ """The LiDAR asset could not be read."""
+
+
+class HttpRangeFile(io.RawIOBase):
+ """A seekable read-only file over HTTP `Range` requests.
+
+ laspy's COPC reader needs `seek`/`read` and nothing else, so this is the
+ whole adapter: it turns an HTTP URL into something that behaves like an open
+ file without ever holding the tile in memory.
+ """
+
+ def __init__(self, session: Any, url: str, *, timeout: float = 60.0,
+ chunk_bytes: int = DEFAULT_CHUNK_BYTES) -> None:
+ self._session = session
+ self._url = url
+ self._timeout = timeout
+ self._chunk = max(1, chunk_bytes)
+ self._pos = 0
+ self._size: int | None = None
+ # One cached chunk. COPC reads are clustered -- header, then index, then
+ # the nodes -- so a single block absorbs most of the repeat traffic.
+ self._cache: tuple[int, bytes] | None = None
+ self.requests = 0
+ self.bytes_fetched = 0
+
+ # -- io.RawIOBase ----------------------------------------------------
+ def readable(self) -> bool:
+ return True
+
+ def seekable(self) -> bool:
+ return True
+
+ def tell(self) -> int:
+ return self._pos
+
+ def seek(self, offset: int, whence: int = io.SEEK_SET) -> int:
+ if whence == io.SEEK_SET:
+ self._pos = offset
+ elif whence == io.SEEK_CUR:
+ self._pos += offset
+ elif whence == io.SEEK_END:
+ self._pos = self.size + offset
+ else: # pragma: no cover - io module only defines the three
+ raise ValueError(f"invalid whence {whence}")
+ self._pos = max(0, self._pos)
+ return self._pos
+
+ def read(self, size: int = -1) -> bytes:
+ if size is None or size < 0:
+ size = max(0, self.size - self._pos)
+ if size == 0:
+ return b""
+ data = self._read_at(self._pos, size)
+ self._pos += len(data)
+ return data
+
+ def readall(self) -> bytes:
+ return self.read(-1)
+
+ def readinto(self, buffer) -> int: # type: ignore[override]
+ data = self.read(len(buffer))
+ buffer[: len(data)] = data
+ return len(data)
+
+ # -- range plumbing --------------------------------------------------
+ @property
+ def size(self) -> int:
+ if self._size is None:
+ self._size = self._head_size()
+ return self._size
+
+ def _head_size(self) -> int:
+ try:
+ resp = self._session.head(self._url, timeout=self._timeout)
+ except Exception as exc:
+ raise PointCloudError(f"could not stat {self._url}: {exc}") from exc
+ length = (getattr(resp, "headers", None) or {}).get("Content-Length")
+ if getattr(resp, "status_code", 0) != 200 or not length:
+ raise PointCloudError(
+ "the LiDAR host did not report a size, so it cannot be read in ranges"
+ )
+ return int(length)
+
+ def _read_at(self, offset: int, size: int) -> bytes:
+ cached = self._from_cache(offset, size)
+ if cached is not None:
+ return cached
+ want = max(size, self._chunk)
+ end = offset + want - 1
+ try:
+ resp = self._session.get(
+ self._url,
+ headers={"Range": f"bytes={offset}-{end}"},
+ timeout=self._timeout,
+ )
+ except Exception as exc:
+ raise PointCloudError(f"range request failed: {exc}") from exc
+ status = getattr(resp, "status_code", 0)
+ if status == 200:
+ # The server ignored Range and sent everything. Honest failure: the
+ # caller falls back to a whole-tile read rather than silently
+ # paying for the full download on every seek.
+ raise PointCloudError("the LiDAR host does not support range requests")
+ if status != 206:
+ raise PointCloudError(f"range request returned HTTP {status}")
+ body = resp.content
+ self.requests += 1
+ self.bytes_fetched += len(body)
+ self._cache = (offset, body)
+ return body[:size]
+
+ def _from_cache(self, offset: int, size: int) -> bytes | None:
+ if self._cache is None:
+ return None
+ start, body = self._cache
+ if offset < start or offset + size > start + len(body):
+ return None
+ rel = offset - start
+ return body[rel : rel + size]
+
+
+def bounds_of(ring: list[tuple[float, float]], pad_m: float = 2.0) -> tuple[float, float, float, float]:
+ xs = [p[0] for p in ring]
+ ys = [p[1] for p in ring]
+ return (min(xs) - pad_m, min(ys) - pad_m, max(xs) + pad_m, max(ys) + pad_m)
+
+
+def _points_from_las(las: Any) -> Any:
+ import numpy as np
+
+ return np.column_stack([np.asarray(las.x), np.asarray(las.y), np.asarray(las.z)])
+
+
+def load_points(data: bytes) -> Any:
+ """Decode a whole LAZ/LAS payload into (N, 3) SWEREF 99 TM metres."""
+ laspy = _import_laspy()
+ with laspy.open(io.BytesIO(data)) as reader:
+ las = reader.read()
+ return _points_from_las(las)
+
+
+def _import_laspy():
+ try:
+ import laspy
+ except ImportError as exc: # pragma: no cover - depends on the install
+ raise PointCloudError(
+ "laspy is required to read Lantmaeteriet LiDAR. Install the module's "
+ "extras: pip install -e roofmodel[geo]"
+ ) from exc
+ return laspy
+
+
+def copc_query_z_range(center_z: float, halfsize: float) -> tuple[float, float]:
+ """The vertical range a windowed COPC query must span: the whole cube.
+
+ Lantmäteriet's COPC writer emits octree z-keys measured from some other
+ origin than the file's own cube (observed live on Laserdata Skog: a level-6
+ node keyed z=19, implying a -1698..-1542 m slab, holds points at +18..+42 m
+ while its x/y keys are exact). A 2D query lets laspy fill z from the header
+ and prune nodes by those broken slabs, which silently discards every dense
+ deep level and leaves only the sparse preview points. Spanning the full
+ cube keeps z from ever pruning; x/y pruning and the exact post-filter still
+ bound the read.
+ """
+ pad = abs(halfsize) + 1.0
+ return (center_z - 2.0 * pad, center_z + 2.0 * pad)
+
+
+def read_copc_window(
+ session: Any,
+ url: str,
+ bounds: tuple[float, float, float, float],
+ *,
+ timeout: float = 60.0,
+) -> Any:
+ """Points inside `bounds` from a COPC file, over HTTP range requests.
+
+ Raises PointCloudError if the file or the host cannot support it, so the
+ caller can fall back to a whole-tile read.
+ """
+ laspy = _import_laspy()
+ try:
+ from laspy.copc import Bounds, CopcReader
+ except ImportError as exc:
+ raise PointCloudError(
+ "this laspy build has no COPC support; install laspy[lazrs] 2.5 or newer"
+ ) from exc
+
+ min_x, min_y, max_x, max_y = bounds
+ handle = HttpRangeFile(session, url, timeout=timeout)
+ try:
+ with CopcReader.open(handle) as reader:
+ info = reader.copc_info
+ z_lo, z_hi = copc_query_z_range(float(info.center[2]), float(info.halfsize))
+ query = Bounds(mins=[min_x, min_y, z_lo], maxs=[max_x, max_y, z_hi])
+ points = reader.query(query)
+ except PointCloudError:
+ raise
+ except Exception as exc:
+ raise PointCloudError(f"COPC read failed: {exc}") from exc
+ return _points_from_las(points)
diff --git a/roofmodel/ftw_roofmodel/segment.py b/roofmodel/ftw_roofmodel/segment.py
new file mode 100644
index 000000000..5a2bc0a11
--- /dev/null
+++ b/roofmodel/ftw_roofmodel/segment.py
@@ -0,0 +1,251 @@
+"""Roof-plane segmentation from a LiDAR point cloud.
+
+Implements the method described in the SPAN paper (Yavuzdogan, *Renewable
+Energy* 2023, doi:10.1016/j.renene.2023.119022): iterative RANSAC plane fitting
+to pull one roof surface at a time out of the cloud, then DBSCAN over each
+plane's inliers to split faces that share a plane but not a location -- the two
+halves of a gable on opposite wings of a building fit the same equation and are
+not the same roof face.
+
+The method is reimplemented from its description. No code is taken from SPAN's
+QGIS plugin, which is GPL; everything here uses numpy and scikit-learn, both
+BSD, so this module carries no copyleft obligation.
+
+Coordinates are SWEREF 99 TM metres as (easting, northing, height). Azimuth
+follows FTW's convention: 0 = north, 90 = east, 180 = south, 270 = west.
+"""
+
+from __future__ import annotations
+
+import dataclasses
+import math
+
+import numpy as np
+
+# A roof plane must hold at least this many returns to be believed. Below this
+# a "plane" is usually a chimney, an aerial, or three points of noise that
+# happen to be collinear.
+MIN_PLANE_POINTS = 40
+
+# Surfaces flatter than this are treated as flat roofs: their azimuth is
+# meaningless (the normal is essentially vertical, so its horizontal component
+# is numerical noise that can point anywhere).
+FLAT_TILT_DEG = 5.0
+
+# Roofs steeper than this are walls, dormer cheeks or mis-fits.
+MAX_TILT_DEG = 80.0
+
+# Fraction of a roof plane's area that can carry modules once you subtract
+# ridges, eaves, chimneys, vents and walkways.
+DEFAULT_PACKING_FACTOR = 0.70
+
+# Module DC rating per square metre of module. ~20% efficiency at 1000 W/m2.
+DEFAULT_MODULE_W_PER_M2 = 200.0
+
+
+@dataclasses.dataclass
+class RoofPlane:
+ """One contiguous roof surface."""
+
+ tilt_deg: float
+ azimuth_deg: float
+ area_m2: float
+ point_count: int
+ mean_height_m: float
+
+ def rated_w(
+ self,
+ packing_factor: float = DEFAULT_PACKING_FACTOR,
+ module_w_per_m2: float = DEFAULT_MODULE_W_PER_M2,
+ ) -> float:
+ """Installable DC capacity for this surface, in watts."""
+ return self.area_m2 * packing_factor * module_w_per_m2
+
+ def kwp(
+ self,
+ packing_factor: float = DEFAULT_PACKING_FACTOR,
+ module_w_per_m2: float = DEFAULT_MODULE_W_PER_M2,
+ ) -> float:
+ """Installable DC capacity for this surface, in kWp (test helper)."""
+ return self.rated_w(packing_factor, module_w_per_m2) / 1000.0
+
+
+def _fit_plane(points: np.ndarray) -> np.ndarray:
+ """Least-squares plane through points; returns a unit normal pointing up.
+
+ Uses the smallest singular vector of the mean-centred points, which is the
+ total-least-squares fit -- it minimises perpendicular distance rather than
+ vertical distance, so a steep roof is not biased the way an ordinary
+ z = ax + by + c regression would bias it.
+ """
+ centred = points - points.mean(axis=0)
+ _, _, vh = np.linalg.svd(centred, full_matrices=False)
+ normal = vh[-1]
+ if normal[2] < 0:
+ normal = -normal
+ return normal / np.linalg.norm(normal)
+
+
+def _tilt_azimuth(normal: np.ndarray) -> tuple[float, float]:
+ """Convert an upward unit normal to (tilt_deg, azimuth_deg)."""
+ tilt = math.degrees(math.acos(max(-1.0, min(1.0, float(normal[2])))))
+ if tilt < FLAT_TILT_DEG:
+ # Horizontal component is noise at this point; report due south, which
+ # is what a flat-roof array is normally mounted to face anyway.
+ return tilt, 180.0
+ east, north = float(normal[0]), float(normal[1])
+ azimuth = math.degrees(math.atan2(east, north)) % 360.0
+ return tilt, azimuth
+
+
+def _convex_hull_area(xy: np.ndarray) -> float:
+ """Area of the convex hull of 2D points (monotone chain, shoelace).
+
+ Hand-rolled to avoid a scipy dependency for one small routine. The hull
+ overestimates a concave roof outline, so it is only used as a fallback
+ when the point count is too low for the density estimate to be stable.
+ """
+ pts = np.unique(xy, axis=0)
+ if len(pts) < 3:
+ return 0.0
+ order = np.lexsort((pts[:, 1], pts[:, 0]))
+ pts = pts[order]
+
+ def cross(o, a, b):
+ return (a[0] - o[0]) * (b[1] - o[1]) - (a[1] - o[1]) * (b[0] - o[0])
+
+ lower: list = []
+ for p in pts:
+ while len(lower) >= 2 and cross(lower[-2], lower[-1], p) <= 0:
+ lower.pop()
+ lower.append(p)
+ upper: list = []
+ for p in pts[::-1]:
+ while len(upper) >= 2 and cross(upper[-2], upper[-1], p) <= 0:
+ upper.pop()
+ upper.append(p)
+ hull = np.array(lower[:-1] + upper[:-1])
+ if len(hull) < 3:
+ return 0.0
+ x, y = hull[:, 0], hull[:, 1]
+ return 0.5 * abs(float(np.dot(x, np.roll(y, 1)) - np.dot(y, np.roll(x, 1))))
+
+
+def _surface_area(points: np.ndarray, tilt_deg: float, point_density: float | None) -> float:
+ """Sloped surface area of a roof face, in m2.
+
+ LiDAR density is quoted per square metre of *ground*, so a known density
+ gives the horizontal footprint directly from the point count; dividing by
+ cos(tilt) lifts that onto the slope. Without a density we fall back to the
+ convex hull of the horizontal projection, which is looser -- it fills in
+ L-shapes and courtyards.
+ """
+ if point_density and point_density > 0:
+ horizontal = len(points) / point_density
+ else:
+ horizontal = _convex_hull_area(points[:, :2])
+ cos_t = math.cos(math.radians(min(tilt_deg, MAX_TILT_DEG)))
+ if cos_t <= 1e-6:
+ return horizontal
+ return horizontal / cos_t
+
+
+def _ransac_plane(
+ points: np.ndarray,
+ threshold_m: float,
+ iterations: int,
+ rng: np.random.Generator,
+) -> np.ndarray | None:
+ """Return a boolean inlier mask for the best plane found, or None.
+
+ Plain RANSAC over point triples. scikit-learn's RANSACRegressor is not used
+ because it regresses z on (x, y) and so cannot represent a vertical or
+ near-vertical surface, and weights errors vertically rather than
+ perpendicular to the plane.
+ """
+ n = len(points)
+ if n < 3:
+ return None
+ best_mask = None
+ best_count = 0
+ for _ in range(iterations):
+ idx = rng.choice(n, size=3, replace=False)
+ a, b, c = points[idx]
+ normal = np.cross(b - a, c - a)
+ norm = np.linalg.norm(normal)
+ if norm < 1e-9:
+ continue # degenerate (collinear) sample
+ normal = normal / norm
+ distances = np.abs((points - a) @ normal)
+ mask = distances < threshold_m
+ count = int(mask.sum())
+ if count > best_count:
+ best_count, best_mask = count, mask
+ if best_mask is None or best_count < 3:
+ return None
+ return best_mask
+
+
+def segment_roof(
+ points: np.ndarray,
+ *,
+ threshold_m: float = 0.25,
+ max_planes: int = 8,
+ min_plane_points: int = MIN_PLANE_POINTS,
+ cluster_eps_m: float = 1.5,
+ point_density: float | None = None,
+ ransac_iterations: int = 200,
+ seed: int = 0,
+) -> list[RoofPlane]:
+ """Segment a roof point cloud into planes.
+
+ `points` is an (N, 3) array of SWEREF 99 TM (easting, northing, height).
+ Returns planes ordered by descending area. Determinism is deliberate: the
+ same cloud must always yield the same arrays, or an operator re-running a
+ derive would see the geometry shuffle for no reason.
+ """
+ from sklearn.cluster import DBSCAN # imported here to keep import cost off the CLI path
+
+ pts = np.asarray(points, dtype=float)
+ if pts.ndim != 2 or pts.shape[1] != 3:
+ raise ValueError(f"points must be (N, 3), got {pts.shape}")
+
+ rng = np.random.default_rng(seed)
+ remaining = pts
+ planes: list[RoofPlane] = []
+
+ for _ in range(max_planes):
+ if len(remaining) < min_plane_points:
+ break
+ mask = _ransac_plane(remaining, threshold_m, ransac_iterations, rng)
+ if mask is None or int(mask.sum()) < min_plane_points:
+ break
+ inliers = remaining[mask]
+ remaining = remaining[~mask]
+
+ # One plane equation can describe several disjoint faces. Split them.
+ labels = DBSCAN(eps=cluster_eps_m, min_samples=10).fit(inliers[:, :2]).labels_
+ for label in sorted(set(labels)):
+ if label == -1:
+ continue # DBSCAN noise
+ cluster = inliers[labels == label]
+ if len(cluster) < min_plane_points:
+ continue
+ normal = _fit_plane(cluster)
+ tilt, azimuth = _tilt_azimuth(normal)
+ if tilt > MAX_TILT_DEG:
+ continue # a wall, not a roof
+ planes.append(
+ RoofPlane(
+ tilt_deg=round(tilt, 1),
+ # Round before normalising: 359.97 rounds to 360.0, which is
+ # the same direction as 0 but reads as an out-of-range value.
+ azimuth_deg=round(azimuth, 1) % 360.0,
+ area_m2=round(_surface_area(cluster, tilt, point_density), 1),
+ point_count=len(cluster),
+ mean_height_m=round(float(cluster[:, 2].mean()), 2),
+ )
+ )
+
+ planes.sort(key=lambda p: p.area_m2, reverse=True)
+ return planes
diff --git a/roofmodel/ftw_roofmodel/sweref.py b/roofmodel/ftw_roofmodel/sweref.py
new file mode 100644
index 000000000..2d5e8f296
--- /dev/null
+++ b/roofmodel/ftw_roofmodel/sweref.py
@@ -0,0 +1,191 @@
+"""SWEREF 99 TM <-> WGS84 conversion.
+
+Lantmaeteriet publishes everything in SWEREF 99 TM (EPSG:3006) while FTW stores
+site location as WGS84 latitude/longitude, so every bounding box we send and
+every point cloud we read has to cross this boundary.
+
+This is Lantmaeteriet's own published Gauss conformal projection algorithm
+(Krueger series), implemented directly rather than pulled in via pyproj. The
+reason is proportion: pyproj ships a full PROJ build for what is, here, exactly
+one projection with fixed parameters. The series below is accurate to well under
+a millimetre across Sweden, which is several orders of magnitude finer than the
+1-2 points/m2 LiDAR it is used to place.
+
+SWEREF 99 TM is a transverse Mercator on GRS 80 with central meridian 15 deg E,
+scale factor 0.9996, false easting 500 000 m and false northing 0.
+"""
+
+from __future__ import annotations
+
+import math
+
+# GRS 80 ellipsoid.
+_A = 6378137.0
+_F = 1.0 / 298.257222101
+
+# SWEREF 99 TM projection parameters.
+_CENTRAL_MERIDIAN = 15.0
+_SCALE = 0.9996
+_FALSE_EASTING = 500000.0
+_FALSE_NORTHING = 0.0
+
+# Derived constants, computed once.
+_E2 = _F * (2.0 - _F)
+_N = _F / (2.0 - _F)
+_A_HAT = _A / (1.0 + _N) * (1.0 + _N**2 / 4.0 + _N**4 / 64.0)
+
+
+def _forward_coefficients() -> tuple[float, float, float, float]:
+ n = _N
+ return (
+ n / 2.0 - 2.0 * n**2 / 3.0 + 5.0 * n**3 / 16.0 + 41.0 * n**4 / 180.0,
+ 13.0 * n**2 / 48.0 - 3.0 * n**3 / 5.0 + 557.0 * n**4 / 1440.0,
+ 61.0 * n**3 / 240.0 - 103.0 * n**4 / 140.0,
+ 49561.0 * n**4 / 161280.0,
+ )
+
+
+def _inverse_coefficients() -> tuple[float, float, float, float]:
+ n = _N
+ return (
+ n / 2.0 - 2.0 * n**2 / 3.0 + 37.0 * n**3 / 96.0 - n**4 / 360.0,
+ n**2 / 48.0 + n**3 / 15.0 - 437.0 * n**4 / 1440.0,
+ 17.0 * n**3 / 480.0 - 37.0 * n**4 / 840.0,
+ 4397.0 * n**4 / 161280.0,
+ )
+
+
+def wgs84_to_sweref99tm(lat: float, lon: float) -> tuple[float, float]:
+ """Convert WGS84 degrees to SWEREF 99 TM (northing, easting) in metres."""
+ phi = math.radians(lat)
+ lam = math.radians(lon)
+ lam0 = math.radians(_CENTRAL_MERIDIAN)
+
+ e2 = _E2
+ a_coef = e2
+ b_coef = (5.0 * e2**2 - e2**3) / 6.0
+ c_coef = (104.0 * e2**3 - 45.0 * e2**4) / 120.0
+ d_coef = 1237.0 * e2**4 / 1260.0
+
+ sin_phi = math.sin(phi)
+ phi_star = phi - sin_phi * math.cos(phi) * (
+ a_coef
+ + b_coef * sin_phi**2
+ + c_coef * sin_phi**4
+ + d_coef * sin_phi**6
+ )
+
+ dlam = lam - lam0
+ xi_p = math.atan2(math.tan(phi_star), math.cos(dlam))
+ eta_p = math.atanh(math.cos(phi_star) * math.sin(dlam))
+
+ b1, b2, b3, b4 = _forward_coefficients()
+ scaled = _SCALE * _A_HAT
+ northing = _FALSE_NORTHING + scaled * (
+ xi_p
+ + b1 * math.sin(2 * xi_p) * math.cosh(2 * eta_p)
+ + b2 * math.sin(4 * xi_p) * math.cosh(4 * eta_p)
+ + b3 * math.sin(6 * xi_p) * math.cosh(6 * eta_p)
+ + b4 * math.sin(8 * xi_p) * math.cosh(8 * eta_p)
+ )
+ easting = _FALSE_EASTING + scaled * (
+ eta_p
+ + b1 * math.cos(2 * xi_p) * math.sinh(2 * eta_p)
+ + b2 * math.cos(4 * xi_p) * math.sinh(4 * eta_p)
+ + b3 * math.cos(6 * xi_p) * math.sinh(6 * eta_p)
+ + b4 * math.cos(8 * xi_p) * math.sinh(8 * eta_p)
+ )
+ return northing, easting
+
+
+def sweref99tm_to_wgs84(northing: float, easting: float) -> tuple[float, float]:
+ """Convert SWEREF 99 TM (northing, easting) in metres to WGS84 degrees."""
+ scaled = _SCALE * _A_HAT
+ xi = (northing - _FALSE_NORTHING) / scaled
+ eta = (easting - _FALSE_EASTING) / scaled
+
+ d1, d2, d3, d4 = _inverse_coefficients()
+ xi_p = (
+ xi
+ - d1 * math.sin(2 * xi) * math.cosh(2 * eta)
+ - d2 * math.sin(4 * xi) * math.cosh(4 * eta)
+ - d3 * math.sin(6 * xi) * math.cosh(6 * eta)
+ - d4 * math.sin(8 * xi) * math.cosh(8 * eta)
+ )
+ eta_p = (
+ eta
+ - d1 * math.cos(2 * xi) * math.sinh(2 * eta)
+ - d2 * math.cos(4 * xi) * math.sinh(4 * eta)
+ - d3 * math.cos(6 * xi) * math.sinh(6 * eta)
+ - d4 * math.cos(8 * xi) * math.sinh(8 * eta)
+ )
+
+ phi_star = math.asin(math.sin(xi_p) / math.cosh(eta_p))
+ dlam = math.atan2(math.sinh(eta_p), math.cos(xi_p))
+
+ e2 = _E2
+ a_star = e2 + e2**2 + e2**3 + e2**4
+ b_star = -(7.0 * e2**2 + 17.0 * e2**3 + 30.0 * e2**4) / 6.0
+ c_star = (224.0 * e2**3 + 889.0 * e2**4) / 120.0
+ d_star = -(4279.0 * e2**4) / 1260.0
+
+ sin_ps = math.sin(phi_star)
+ phi = phi_star + sin_ps * math.cos(phi_star) * (
+ a_star
+ + b_star * sin_ps**2
+ + c_star * sin_ps**4
+ + d_star * sin_ps**6
+ )
+ lam = math.radians(_CENTRAL_MERIDIAN) + dlam
+ return math.degrees(phi), math.degrees(lam)
+
+
+def bbox_wgs84_to_sweref99tm(
+ min_lat: float, min_lon: float, max_lat: float, max_lon: float
+) -> tuple[float, float, float, float]:
+ """Project a WGS84 bounding box to a SWEREF 99 TM (minE, minN, maxE, maxN).
+
+ All four corners are projected and the extremes taken, rather than just the
+ two diagonal corners: the projection is not axis-aligned, so a box's
+ projected edges bow outward and the diagonal-only result would clip.
+ """
+ corners = [
+ wgs84_to_sweref99tm(min_lat, min_lon),
+ wgs84_to_sweref99tm(min_lat, max_lon),
+ wgs84_to_sweref99tm(max_lat, min_lon),
+ wgs84_to_sweref99tm(max_lat, max_lon),
+ ]
+ northings = [c[0] for c in corners]
+ eastings = [c[1] for c in corners]
+ return min(eastings), min(northings), max(eastings), max(northings)
+
+
+def stac_search_bbox(
+ lat: float, lon: float, radius_m: float, bbox_epsg: int = 3006
+) -> tuple[float, float, float, float]:
+ """Bounding box around a site, in the CRS a STAC catalog expects.
+
+ EPSG:3006 (the default) is what Lantmaeteriet's catalog takes; EPSG:4326
+ in lon/lat order is what the STAC spec itself mandates, for catalogs that
+ follow it. Anything else would need a projection stack this module
+ deliberately does not carry.
+ """
+ south, west, north, east = metre_box_around(lat, lon, radius_m)
+ if bbox_epsg == 4326:
+ return (west, south, east, north)
+ if bbox_epsg == 3006:
+ return bbox_wgs84_to_sweref99tm(south, west, north, east)
+ raise ValueError(f"unsupported bbox EPSG {bbox_epsg}; use 3006 or 4326")
+
+
+def metre_box_around(lat: float, lon: float, radius_m: float) -> tuple[float, float, float, float]:
+ """Return a WGS84 (min_lat, min_lon, max_lat, max_lon) box of +/- radius_m.
+
+ Built by projecting the centre, stepping in metres in SWEREF 99 TM, and
+ unprojecting: doing it that way keeps the box square on the ground instead
+ of stretching with latitude the way a naive degree offset would.
+ """
+ n, e = wgs84_to_sweref99tm(lat, lon)
+ south, west = sweref99tm_to_wgs84(n - radius_m, e - radius_m)
+ north, east = sweref99tm_to_wgs84(n + radius_m, e + radius_m)
+ return south, west, north, east
diff --git a/roofmodel/pyproject.toml b/roofmodel/pyproject.toml
new file mode 100644
index 000000000..4e138a246
--- /dev/null
+++ b/roofmodel/pyproject.toml
@@ -0,0 +1,27 @@
+[build-system]
+requires = ["setuptools>=68"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "ftw-roofmodel"
+version = "0.1.0"
+description = "Derive PV array geometry from Lantmateriet building and LiDAR open data"
+requires-python = ">=3.10"
+# Core dependencies are permissive-licensed and light enough to install on a Pi.
+dependencies = [
+ "numpy>=1.24",
+ "scikit-learn>=1.3",
+ "requests>=2.31",
+]
+
+[project.optional-dependencies]
+# LAZ decoding pulls a compiled backend, so it is opt-in. Everything except the
+# point-cloud read works without it, which keeps the module testable in CI.
+geo = ["laspy[lazrs]>=2.5"]
+test = ["pytest==8.4.2"]
+
+[tool.setuptools.packages.find]
+include = ["ftw_roofmodel*"]
+
+[tool.pytest.ini_options]
+testpaths = ["tests"]
diff --git a/roofmodel/tests/__init__.py b/roofmodel/tests/__init__.py
new file mode 100644
index 000000000..e69de29bb
diff --git a/roofmodel/tests/test_assets.py b/roofmodel/tests/test_assets.py
new file mode 100644
index 000000000..107a5baef
--- /dev/null
+++ b/roofmodel/tests/test_assets.py
@@ -0,0 +1,212 @@
+"""Choosing STAC assets by what they are, and reading them in ranges.
+
+Both Lantmaeteriet products are STAC APIs; they differ in what their items point
+at. Byggnad-vektor delivers GeoPackage, Laserdata Skog delivers LAZ organised as
+COPC. Selecting on media type rather than on an asset key is what keeps that
+difference from becoming a pile of special cases.
+"""
+
+from __future__ import annotations
+
+import io
+
+import pytest
+
+from ftw_roofmodel.geotorget import (
+ MEDIA_COPC,
+ MEDIA_GEOJSON,
+ MEDIA_GEOPACKAGE,
+ MEDIA_LAZ,
+ Asset,
+ StacItem,
+ _item_from_feature,
+ media_type_for,
+)
+from ftw_roofmodel.pointcloud import HttpRangeFile, PointCloudError, bounds_of
+
+
+def item(assets):
+ return StacItem("i", "c", assets, None, raw={})
+
+
+def test_a_bare_href_still_gets_a_type_from_its_extension():
+ """Tests and simple catalogues pass strings; selection must still work."""
+ it = item({"data": "https://x/tile.copc.laz"})
+ assert isinstance(it.assets["data"], Asset)
+ assert it.pick(MEDIA_COPC).href == "https://x/tile.copc.laz"
+
+
+def test_copc_is_recognised_before_plain_laz():
+ """A COPC file is also a .laz; reading it as one costs the whole tile."""
+ assert media_type_for("https://x/y/tile.copc.laz") == MEDIA_COPC
+ assert media_type_for("https://x/y/tile.laz") == MEDIA_LAZ
+
+
+def test_query_strings_do_not_hide_the_extension():
+ """Signed download URLs carry tokens after a '?'."""
+ assert media_type_for("https://x/tile.gpkg?token=abc&x=1") == MEDIA_GEOPACKAGE
+
+
+def test_a_declared_type_beats_the_extension():
+ """The catalogue knows better than the filename."""
+ a = Asset(href="https://x/download", media_type=MEDIA_GEOPACKAGE)
+ assert a.effective_media_type == MEDIA_GEOPACKAGE
+
+
+def test_preference_order_is_honoured():
+ it = item({
+ "laz": Asset("https://x/t.laz", MEDIA_LAZ),
+ "copc": Asset("https://x/t.copc.laz", MEDIA_COPC),
+ })
+ assert it.pick(MEDIA_COPC, MEDIA_LAZ).effective_media_type == MEDIA_COPC
+ assert it.pick(MEDIA_LAZ, MEDIA_COPC).effective_media_type == MEDIA_LAZ
+
+
+def test_falls_back_to_the_data_role_when_the_type_is_unknown():
+ it = item({
+ "thumbnail": Asset("https://x/preview.png", "image/png", roles=("thumbnail",)),
+ "mystery": Asset("https://x/blob", None, roles=("data",)),
+ })
+ assert it.pick(MEDIA_COPC).href == "https://x/blob"
+
+
+def test_a_lone_asset_is_unambiguous_whatever_it_is_called():
+ assert item({"whatever": Asset("https://x/blob")}).pick(MEDIA_COPC).href == "https://x/blob"
+
+
+def test_several_unlabelled_assets_are_refused_rather_than_guessed():
+ it = item({"a": Asset("https://x/a"), "b": Asset("https://x/b")})
+ assert it.pick(MEDIA_COPC) is None
+
+
+def test_stac_assets_keep_their_type_and_roles():
+ feature = {
+ "id": "tile-1",
+ "collection": "laserdata-nedladdning-skog",
+ "assets": {
+ "data": {
+ "href": "https://x/t.copc.laz",
+ "type": MEDIA_COPC,
+ "roles": ["data"],
+ "title": "Punktmoln",
+ }
+ },
+ "properties": {},
+ }
+ parsed = _item_from_feature(feature)
+ asset = parsed.pick(MEDIA_COPC)
+ assert asset.media_type == MEDIA_COPC
+ assert asset.roles == ("data",)
+ assert asset.title == "Punktmoln"
+
+
+def test_geojson_and_geopackage_are_both_selectable():
+ it = item({"gj": Asset("https://x/b.geojson"), "gp": Asset("https://x/b.gpkg")})
+ assert it.pick(MEDIA_GEOPACKAGE, MEDIA_GEOJSON).href == "https://x/b.gpkg"
+ assert it.pick(MEDIA_GEOJSON, MEDIA_GEOPACKAGE).href == "https://x/b.geojson"
+
+
+# --- range reads ------------------------------------------------------------
+
+
+class FakeResponse:
+ def __init__(self, status, content=b"", headers=None):
+ self.status_code = status
+ self.content = content
+ self.headers = headers or {}
+
+
+class RangeServer:
+ """Serves a byte string over Range, and counts what was actually moved."""
+
+ def __init__(self, body: bytes, *, supports_range: bool = True):
+ self.body = body
+ self.supports_range = supports_range
+ self.requests: list[str] = []
+
+ def head(self, url, timeout=None):
+ return FakeResponse(200, headers={"Content-Length": str(len(self.body))})
+
+ def get(self, url, headers=None, timeout=None):
+ rng = (headers or {}).get("Range")
+ if not self.supports_range or not rng:
+ self.requests.append("full")
+ return FakeResponse(200, self.body)
+ self.requests.append(rng)
+ spec = rng.split("=", 1)[1]
+ start, end = spec.split("-")
+ lo = int(start)
+ hi = min(int(end), len(self.body) - 1)
+ return FakeResponse(206, self.body[lo : hi + 1])
+
+
+BODY = bytes(range(256)) * 40 # 10 240 bytes, every offset distinguishable
+
+
+def test_reads_a_window_without_moving_the_whole_file():
+ server = RangeServer(BODY)
+ fh = HttpRangeFile(server, "https://x/t.copc.laz", chunk_bytes=512)
+ fh.seek(1000)
+ assert fh.read(16) == BODY[1000:1016]
+ assert fh.bytes_fetched == 512, "one chunk, not the whole file"
+ assert len(server.requests) == 1
+
+
+def test_seek_and_tell_track_the_position():
+ fh = HttpRangeFile(RangeServer(BODY), "https://x/t", chunk_bytes=64)
+ assert fh.seek(100) == 100 and fh.tell() == 100
+ fh.read(10)
+ assert fh.tell() == 110
+ assert fh.seek(-10, io.SEEK_END) == len(BODY) - 10
+ assert fh.seek(5, io.SEEK_CUR) == len(BODY) - 5
+
+
+def test_a_second_read_inside_the_chunk_costs_no_request():
+ server = RangeServer(BODY)
+ fh = HttpRangeFile(server, "https://x/t", chunk_bytes=1024)
+ fh.seek(0)
+ fh.read(8)
+ before = len(server.requests)
+ fh.seek(64)
+ assert fh.read(8) == BODY[64:72]
+ assert len(server.requests) == before, "the chunk was already held"
+
+
+def test_reading_across_the_chunk_boundary_fetches_again():
+ server = RangeServer(BODY)
+ fh = HttpRangeFile(server, "https://x/t", chunk_bytes=128)
+ fh.seek(0)
+ assert fh.read(8) == BODY[0:8]
+ fh.seek(4096)
+ assert fh.read(8) == BODY[4096:4104]
+ assert len(server.requests) == 2
+
+
+def test_a_host_that_ignores_range_is_detected_not_trusted():
+ """A 200 means the whole body arrived; treating it as partial corrupts."""
+ fh = HttpRangeFile(RangeServer(BODY, supports_range=False), "https://x/t")
+ fh.seek(10)
+ with pytest.raises(PointCloudError, match="range requests"):
+ fh.read(4)
+
+
+def test_a_host_that_will_not_report_a_size_is_refused():
+ class NoLength:
+ def head(self, url, timeout=None):
+ return FakeResponse(200, headers={})
+
+ with pytest.raises(PointCloudError, match="size"):
+ HttpRangeFile(NoLength(), "https://x/t").size
+
+
+def test_readinto_fills_the_buffer():
+ fh = HttpRangeFile(RangeServer(BODY), "https://x/t", chunk_bytes=256)
+ fh.seek(32)
+ buf = bytearray(16)
+ assert fh.readinto(buf) == 16
+ assert bytes(buf) == BODY[32:48]
+
+
+def test_bounds_pad_the_footprint_so_the_eaves_survive():
+ ring = [(100.0, 200.0), (110.0, 200.0), (110.0, 220.0), (100.0, 220.0)]
+ assert bounds_of(ring, 1.0) == (99.0, 199.0, 111.0, 221.0)
diff --git a/roofmodel/tests/test_buildings.py b/roofmodel/tests/test_buildings.py
new file mode 100644
index 000000000..90805abc7
--- /dev/null
+++ b/roofmodel/tests/test_buildings.py
@@ -0,0 +1,236 @@
+"""Building lookup, frame detection and footprint clipping."""
+
+from __future__ import annotations
+
+import math
+
+import numpy as np
+import pytest
+
+from ftw_roofmodel import sweref
+from ftw_roofmodel.buildings import (
+ Building,
+ BuildingLookupError,
+ buildings_from_features,
+ clip_to_footprint,
+ inflate_ring,
+ point_in_ring,
+ search_buildings,
+)
+from ftw_roofmodel.geotorget import COLLECTION_BUILDINGS, Credentials, GeotorgetClient
+
+STOCKHOLM = (59.33, 18.07)
+
+
+def square_ring(cx, cy, side):
+ h = side / 2.0
+ return [(cx - h, cy - h), (cx + h, cy - h), (cx + h, cy + h), (cx - h, cy + h)]
+
+
+class FakeResponse:
+ def __init__(self, payload, status_code=200):
+ self._payload = payload
+ self.status_code = status_code
+
+ def json(self):
+ return self._payload
+
+
+class FakeSession:
+ """Records what was asked for and replays a canned STAC response."""
+
+ def __init__(self, payload):
+ self.payload = payload
+ self.posts = []
+
+ def post(self, url, json=None, timeout=None):
+ self.posts.append((url, json))
+ return FakeResponse(self.payload)
+
+
+def stac_feature(ring, feature_id="bldg-1", **props):
+ return {
+ "id": feature_id,
+ "collection": COLLECTION_BUILDINGS,
+ "geometry": {"type": "Polygon", "coordinates": [[list(p) for p in ring] + [list(ring[0])]]},
+ "properties": props,
+ "assets": {},
+ }
+
+
+def test_area_and_centroid_of_a_known_square():
+ ring = square_ring(674000.0, 6580000.0, 10.0)
+ [b] = buildings_from_features(
+ [{"geometry": {"type": "Polygon", "coordinates": [ring]}, "id": "sq"}],
+ latitude=STOCKHOLM[0], longitude=STOCKHOLM[1],
+ )
+ assert b.area_m2 == pytest.approx(100.0)
+ cx, cy = b.centroid_sweref()
+ assert (cx, cy) == pytest.approx((674000.0, 6580000.0))
+
+
+def test_wgs84_rings_are_projected_before_measuring():
+ """A ring in degrees must be recognised and converted, not measured raw."""
+ lat, lon = STOCKHOLM
+ n, e = sweref.wgs84_to_sweref99tm(lat, lon)
+ ring_sweref = square_ring(e, n, 12.0)
+ ring_wgs84 = []
+ for x, y in ring_sweref:
+ blat, blon = sweref.sweref99tm_to_wgs84(y, x) # ring is (E, N)
+ ring_wgs84.append([blon, blat]) # GeoJSON is [lon, lat]
+
+ [b] = buildings_from_features(
+ [{"geometry": {"type": "Polygon", "coordinates": [ring_wgs84]}, "id": "deg"}],
+ latitude=lat, longitude=lon,
+ )
+ # 12 m square, recovered through a full round trip through degrees.
+ assert b.area_m2 == pytest.approx(144.0, abs=0.5)
+
+
+def test_tiles_and_slivers_are_not_offered_as_buildings():
+ lat, lon = STOCKHOLM
+ n, e = sweref.wgs84_to_sweref99tm(lat, lon)
+ feats = [
+ {"geometry": {"type": "Polygon", "coordinates": [square_ring(e, n, 2500.0)]}, "id": "tile"},
+ {"geometry": {"type": "Polygon", "coordinates": [square_ring(e, n, 1.0)]}, "id": "sliver"},
+ {"geometry": {"type": "Polygon", "coordinates": [square_ring(e, n, 11.0)]}, "id": "house"},
+ ]
+ got = buildings_from_features(feats, latitude=lat, longitude=lon)
+ assert [b.building_id for b in got] == ["house"]
+
+
+def test_candidates_come_back_nearest_first():
+ lat, lon = STOCKHOLM
+ n, e = sweref.wgs84_to_sweref99tm(lat, lon)
+ feats = [
+ {"geometry": {"type": "Polygon", "coordinates": [square_ring(e + 60, n, 10.0)]}, "id": "far"},
+ {"geometry": {"type": "Polygon", "coordinates": [square_ring(e + 5, n, 10.0)]}, "id": "near"},
+ {"geometry": {"type": "Polygon", "coordinates": [square_ring(e + 25, n, 10.0)]}, "id": "mid"},
+ ]
+ got = buildings_from_features(feats, latitude=lat, longitude=lon)
+ assert [b.building_id for b in got] == ["near", "mid", "far"]
+ assert got[0].distance_m < got[1].distance_m < got[2].distance_m
+
+
+def test_multipolygon_yields_one_candidate_per_part():
+ lat, lon = STOCKHOLM
+ n, e = sweref.wgs84_to_sweref99tm(lat, lon)
+ feat = {
+ "id": "pair",
+ "geometry": {
+ "type": "MultiPolygon",
+ "coordinates": [[square_ring(e, n, 10.0)], [square_ring(e + 30, n, 12.0)]],
+ },
+ }
+ got = buildings_from_features([feat], latitude=lat, longitude=lon)
+ assert len(got) == 2
+ assert len({b.building_id for b in got}) == 2, "parts must not share an id"
+
+
+def test_search_queries_the_building_collection_and_maps_results():
+ lat, lon = STOCKHOLM
+ n, e = sweref.wgs84_to_sweref99tm(lat, lon)
+ session = FakeSession({"features": [stac_feature(square_ring(e, n, 10.0), "b1")]})
+ client = GeotorgetClient(Credentials("u", "t"), session=session)
+
+ got = search_buildings(client, latitude=lat, longitude=lon)
+
+ assert [b.building_id for b in got] == ["b1"]
+ (_, body), = session.posts
+ assert body["collections"] == [COLLECTION_BUILDINGS]
+ # The bbox is WGS84 lon/lat per the STAC spec — verified against the live
+ # Lantmaeteriet service, which follows it.
+ assert 17.9 < body["bbox"][0] < 18.2, body["bbox"]
+ assert 59.2 < body["bbox"][1] < 59.5, body["bbox"]
+
+
+def test_search_says_what_to_do_when_nothing_comes_back():
+ client = GeotorgetClient(Credentials("u", "t"), session=FakeSession({"features": []}))
+ with pytest.raises(BuildingLookupError) as exc:
+ search_buildings(client, latitude=STOCKHOLM[0], longitude=STOCKHOLM[1])
+ assert "Byggnad" in str(exc.value)
+
+
+def test_point_in_ring_handles_edges_and_outside():
+ ring = square_ring(0.0, 0.0, 10.0)
+ assert point_in_ring(0.0, 0.0, ring)
+ assert point_in_ring(4.9, 4.9, ring)
+ assert not point_in_ring(5.1, 0.0, ring)
+ assert not point_in_ring(0.0, 99.0, ring)
+
+
+def test_inflate_ring_grows_the_outline():
+ ring = square_ring(0.0, 0.0, 10.0)
+ bigger = inflate_ring(ring, 1.0)
+ # Corners sit at radius 7.07; pushing 1 m out puts them at 8.07.
+ assert math.hypot(*bigger[0]) == pytest.approx(math.hypot(*ring[0]) + 1.0)
+ assert all(point_in_ring(x, y, bigger) for x, y in ring)
+
+
+def test_clip_keeps_the_building_and_drops_the_neighbours():
+ rng = np.random.default_rng(3)
+ mine = np.column_stack([
+ rng.uniform(-4, 4, 400), rng.uniform(-4, 4, 400), rng.uniform(0, 4, 400)])
+ theirs = np.column_stack([
+ rng.uniform(46, 54, 400), rng.uniform(-4, 4, 400), rng.uniform(0, 4, 400)])
+ cloud = np.vstack([mine, theirs])
+
+ kept = clip_to_footprint(cloud, square_ring(0.0, 0.0, 10.0), buffer_m=0.0)
+
+ assert len(kept) == len(mine)
+ assert kept[:, 0].max() < 10.0
+
+
+def test_clip_keeps_the_eaves():
+ """Roof returns overhang the wall line; clipping exactly would shave them."""
+ ring = square_ring(0.0, 0.0, 10.0)
+ eaves = np.array([[5.4, 0.0, 3.0], [-5.4, 0.0, 3.0], [0.0, 5.4, 3.0]])
+
+ assert len(clip_to_footprint(eaves, ring, buffer_m=0.0)) == 0
+ assert len(clip_to_footprint(eaves, ring, buffer_m=1.0)) == 3
+
+
+def test_clip_of_an_empty_cloud_is_empty_not_an_error():
+ assert len(clip_to_footprint(np.empty((0, 3)), square_ring(0, 0, 10))) == 0
+
+
+def test_geojson_feature_is_wgs84_and_closed():
+ lat, lon = STOCKHOLM
+ n, e = sweref.wgs84_to_sweref99tm(lat, lon)
+ b = Building("b1", square_ring(e, n, 10.0), 100.0, 0.0)
+ feat = b.to_geojson()
+
+ ring = feat["geometry"]["coordinates"][0]
+ assert ring[0] == ring[-1], "GeoJSON rings must close"
+ for x, y in ring:
+ assert -180 <= x <= 180 and -90 <= y <= 90
+ assert feat["properties"]["latitude"] == pytest.approx(lat, abs=1e-3)
+ assert feat["properties"]["longitude"] == pytest.approx(lon, abs=1e-3)
+
+
+def test_both_ring_orders_come_back_at_the_real_site():
+ """Axis order must not depend on where the ring came from.
+
+ A GeoPackage stores x=easting first; wgs84_to_sweref99tm returns northing
+ first; EPSG's registry declares EPSG:3006 north-first and some exports
+ follow it. The first mismatch shipped: GeoPackage-sourced buildings — the
+ normal Lantmäteriet case — reported their centroids in the Indian Ocean
+ (lat ≈ 4°) with 8 000 km distances, while every test asserted only areas
+ and SWEREF centroids, both of which are blind to a consistent swap.
+ """
+ lat, lon = STOCKHOLM
+ n, e = sweref.wgs84_to_sweref99tm(lat, lon)
+ ring_en = square_ring(e, n, 10.0) # as a GeoPackage stores it
+ ring_ne = [(y, x) for x, y in ring_en] # as the EPSG registry says
+
+ for ring in (ring_en, ring_ne):
+ [b] = buildings_from_features(
+ [{"geometry": {"type": "Polygon", "coordinates": [ring]}, "id": "b"}],
+ latitude=lat, longitude=lon,
+ )
+ feat = b.to_geojson()
+ assert feat["properties"]["latitude"] == pytest.approx(lat, abs=1e-3)
+ assert feat["properties"]["longitude"] == pytest.approx(lon, abs=1e-3)
+ assert b.distance_m < 50.0, (
+ f"a building drawn around the site is {b.distance_m:.0f} m away"
+ )
diff --git a/roofmodel/tests/test_derive_footprint.py b/roofmodel/tests/test_derive_footprint.py
new file mode 100644
index 000000000..466b8fae5
--- /dev/null
+++ b/roofmodel/tests/test_derive_footprint.py
@@ -0,0 +1,232 @@
+"""Deriving against a picked building footprint."""
+
+from __future__ import annotations
+
+import math
+
+import numpy as np
+import pytest
+
+from ftw_roofmodel import pipeline, sweref
+from ftw_roofmodel.buildings import BuildingLookupError, clip_to_footprint
+from ftw_roofmodel.geotorget import COLLECTION_BUILDINGS, Credentials, StacItem
+from ftw_roofmodel.pipeline import RoofModelError, derive
+from ftw_roofmodel.segment import segment_roof
+
+STOCKHOLM = (59.33, 18.07)
+
+
+def roof_face(tilt, azimuth, w, d, origin, density=8, noise=0.04, seed=1):
+ """Sample a tilted rectangle. Written as the inverse of what segment.py
+ computes, so recovering the tilt is a real test rather than a tautology."""
+ rng = np.random.default_rng(seed)
+ n = int(w * d * density)
+ x = rng.uniform(0, w, n)
+ y = rng.uniform(0, d, n)
+ az = math.radians(azimuth)
+ s = math.tan(math.radians(tilt))
+ z = -(x * math.sin(az) + y * math.cos(az)) * s + rng.normal(0, noise, n)
+ return np.column_stack([x + origin[0], y + origin[1], z + origin[2]])
+
+
+def ring(cx, cy, w, d):
+ return [(cx, cy), (cx + w, cy), (cx + w, cy + d), (cx, cy + d)]
+
+
+class FakeClient:
+ """Stands in for Geotorget: canned buildings, canned LiDAR."""
+
+ def __init__(self, buildings_payload, points):
+ self._buildings = buildings_payload
+ self._points = points
+ self.searched = []
+ self.searched_boxes = []
+
+ def search(self, collection, bbox, limit=20):
+ self.searched.append(collection)
+ self.searched_boxes.append((collection, bbox))
+ if collection == COLLECTION_BUILDINGS:
+ return [StacItem(f["id"], collection, {}, None, raw=f) for f in self._buildings]
+ return [StacItem("lidar-1", collection, {"data": "http://x/tile.laz"}, None, raw={})]
+
+ def download(self, url):
+ return b"laz-bytes"
+
+
+@pytest.fixture
+def scene(monkeypatch):
+ """A house and a neighbour that share a ridge orientation.
+
+ The neighbour is the point: an azimuth-180 plane is z = f(y) with no x term,
+ so it extends across the whole tile and the two buildings compete for each
+ other's returns unless the cloud is clipped first.
+ """
+ n, e = sweref.wgs84_to_sweref99tm(*STOCKHOLM)
+ mine = np.vstack([
+ roof_face(35, 180, 12, 6, (e, n, 0), seed=2),
+ roof_face(35, 0, 12, 6, (e, n + 6, 4.2), seed=3),
+ ])
+ neighbour = np.vstack([
+ roof_face(35, 180, 12, 6, (e + 40, n, 0), seed=4),
+ roof_face(35, 0, 12, 6, (e + 40, n + 6, 4.2), seed=5),
+ ])
+ cloud = np.vstack([mine, neighbour])
+
+ buildings = [
+ {"id": "mine", "geometry": {"type": "Polygon",
+ "coordinates": [[list(p) for p in ring(e, n, 12, 12)]]}, "properties": {}},
+ {"id": "neighbour", "geometry": {"type": "Polygon",
+ "coordinates": [[list(p) for p in ring(e + 40, n, 12, 12)]]}, "properties": {}},
+ ]
+ monkeypatch.setattr(pipeline, "load_points", lambda data: cloud)
+ return FakeClient(buildings, cloud), cloud, (e, n)
+
+
+def test_derive_clips_to_the_picked_building(scene):
+ client, cloud, _ = scene
+ model = derive(
+ latitude=STOCKHOLM[0], longitude=STOCKHOLM[1],
+ credentials=Credentials("u", "t"), client=client, building_id="mine",
+ )
+
+ b = model["building"]
+ assert b["building_id"] == "mine"
+ assert b["returns_in_radius"] == len(cloud)
+ # Roughly half the tile is the neighbour's, and it must be gone.
+ assert b["returns_used"] < b["returns_in_radius"] * 0.6
+ assert model["arrays"], "a clipped house still has a south roof"
+
+
+def test_clipping_recovers_the_true_area_the_neighbour_would_have_stolen(scene):
+ """The measurable payoff: coplanar buildings stop eating each other."""
+ _, cloud, (e, n) = scene
+ truth = 12 * 6 / math.cos(math.radians(35))
+
+ whole_tile = [p for p in segment_roof(cloud, point_density=8.0)
+ if abs(p.azimuth_deg - 180) < 5]
+ clipped = [p for p in segment_roof(clip_to_footprint(cloud, ring(e, n, 12, 12)),
+ point_density=8.0)
+ if abs(p.azimuth_deg - 180) < 5]
+
+ assert len(clipped) == 1, "one building has one south face"
+ assert clipped[0].area_m2 == pytest.approx(truth, rel=0.10)
+ # Unclipped, the two south faces are coplanar and merge into one oversized
+ # segment, so the site's own roof cannot be measured at all.
+ assert len(whole_tile) != 1 or whole_tile[0].area_m2 > truth * 1.5
+
+
+def test_derive_without_a_building_id_does_not_search_for_buildings(scene):
+ client, _, _ = scene
+ model = derive(
+ latitude=STOCKHOLM[0], longitude=STOCKHOLM[1],
+ credentials=Credentials("u", "t"), client=client,
+ )
+ assert COLLECTION_BUILDINGS not in client.searched
+ assert model["building"] is None
+
+
+def test_derive_rejects_a_building_id_that_is_not_there(scene):
+ client, _, _ = scene
+ with pytest.raises(RoofModelError) as exc:
+ derive(
+ latitude=STOCKHOLM[0], longitude=STOCKHOLM[1],
+ credentials=Credentials("u", "t"), client=client, building_id="not-a-building",
+ )
+ assert "not found" in str(exc.value)
+
+
+def test_derive_explains_a_footprint_with_no_returns_on_it(monkeypatch, scene):
+ """A building newer than the scan is a real case and needs a real message."""
+ client, _, (e, n) = scene
+ empty = np.empty((0, 3))
+ monkeypatch.setattr(pipeline, "load_points", lambda data: np.vstack([
+ roof_face(35, 180, 12, 6, (e + 400, n, 0), seed=9)]))
+
+ with pytest.raises(RoofModelError) as exc:
+ derive(
+ latitude=STOCKHOLM[0], longitude=STOCKHOLM[1],
+ credentials=Credentials("u", "t"), client=client, building_id="mine",
+ )
+ msg = str(exc.value)
+ assert "fall on building" in msg and "newer than the scan" in msg
+
+
+def test_derive_clips_to_a_drawn_footprint(scene):
+ """Where the catalog has no building dataset, the operator traces the
+ outline by hand — and that must clip exactly like a picked building,
+ without any building search happening at all."""
+ client, cloud, (e, n) = scene
+ corners = []
+ for ee, nn in ring(e, n, 12, 12):
+ lat, lon = sweref.sweref99tm_to_wgs84(nn, ee)
+ corners.append([lon, lat])
+ corners.append(list(corners[0])) # GeoJSON rings close themselves
+
+ model = derive(
+ latitude=STOCKHOLM[0], longitude=STOCKHOLM[1],
+ credentials=Credentials("u", "t"), client=client, footprint=corners,
+ )
+
+ assert COLLECTION_BUILDINGS not in client.searched
+ b = model["building"]
+ assert b["building_id"] == "drawn-footprint"
+ assert b["returns_used"] < b["returns_in_radius"] * 0.6
+ assert model["arrays"], "a traced house still has a south roof"
+
+
+def test_a_drawn_footprint_needs_three_corners(scene):
+ client, _, _ = scene
+ with pytest.raises(Exception) as exc:
+ derive(
+ latitude=STOCKHOLM[0], longitude=STOCKHOLM[1],
+ credentials=Credentials("u", "t"), client=client,
+ footprint=[[18.06, 59.33], [18.07, 59.33]],
+ )
+ assert "three corners" in str(exc.value)
+
+
+def test_the_re_search_reaches_as_far_as_the_picker_did(monkeypatch, scene):
+ """A barn 100 m out is inside the picker's 150 m search but outside the
+ 40 m LiDAR radius. The derive's re-find must use the picker's reach, or
+ every such pick dies with "not found near this site"."""
+ client, _, _ = scene
+ real_search = pipeline.search_buildings
+ radii = []
+
+ def windowed(client_, *, latitude, longitude, radius_m, **kw):
+ radii.append(radius_m)
+ # Model the real windowing: the barn only comes back when the search
+ # reaches at least as far as the picker's default.
+ if radius_m < 150.0:
+ raise BuildingLookupError("nothing inside this window")
+ return real_search(client_, latitude=latitude, longitude=longitude,
+ radius_m=radius_m, **kw)
+
+ monkeypatch.setattr(pipeline, "search_buildings", windowed)
+ model = derive(
+ latitude=STOCKHOLM[0], longitude=STOCKHOLM[1],
+ credentials=Credentials("u", "t"), client=client, building_id="mine",
+ )
+ assert model["building"]["building_id"] == "mine"
+ assert radii and min(radii) >= 150.0
+
+
+def test_the_lidar_lookup_centres_on_the_picked_building(scene):
+ """The tile search must cover the roof being derived, not the pin: a
+ building at the search edge can sit on a different tile."""
+ client, _, (e, n) = scene
+ derive(
+ latitude=STOCKHOLM[0], longitude=STOCKHOLM[1],
+ credentials=Credentials("u", "t"), client=client, building_id="neighbour",
+ )
+ lidar_bboxes = [b for c, b in getattr(client, "searched_boxes", [])
+ if c != COLLECTION_BUILDINGS]
+ assert lidar_bboxes, "the LiDAR collection was searched"
+ west, south, east, north = lidar_bboxes[-1]
+ centre_n, centre_e = sweref.wgs84_to_sweref99tm(
+ (south + north) / 2.0, (west + east) / 2.0
+ )
+ # The neighbour's centroid is 40 m east of the site; the bbox centre must
+ # follow it rather than stay on the pin.
+ assert centre_e == pytest.approx(e + 40 + 6, abs=15.0)
+ assert centre_n == pytest.approx(n + 6, abs=15.0)
diff --git a/roofmodel/tests/test_geopackage.py b/roofmodel/tests/test_geopackage.py
new file mode 100644
index 000000000..54c49e424
--- /dev/null
+++ b/roofmodel/tests/test_geopackage.py
@@ -0,0 +1,201 @@
+"""Decoding GeoPackage, the format Lantmaeteriet ships building vectors in.
+
+The fixtures are built byte by byte from the published layouts rather than by
+round-tripping the decoder, so a decoder that agrees with itself but not with
+the standard still fails here.
+"""
+
+from __future__ import annotations
+
+import os
+import sqlite3
+import struct
+import tempfile
+
+import pytest
+
+from ftw_roofmodel.geopackage import (
+ GeoPackageError,
+ parse_geometry_blob,
+ read_features,
+)
+
+SWEREF = 3006
+
+
+def wkb_polygon(rings, *, little=True, z=False):
+ """Standard WKB polygon, per OGC 06-103r4 clause 8.2."""
+ e = "<" if little else ">"
+ code = 1003 if z else 3
+ out = struct.pack("B", 1 if little else 0) + struct.pack(e + "I", code)
+ out += struct.pack(e + "I", len(rings))
+ for ring in rings:
+ out += struct.pack(e + "I", len(ring))
+ for point in ring:
+ out += struct.pack(e + "dd", point[0], point[1])
+ if z:
+ out += struct.pack(e + "d", point[2] if len(point) > 2 else 0.0)
+ return out
+
+
+def wkb_multipolygon(polygons, *, little=True):
+ e = "<" if little else ">"
+ out = struct.pack("B", 1 if little else 0) + struct.pack(e + "I", 6)
+ out += struct.pack(e + "I", len(polygons))
+ for rings in polygons:
+ out += wkb_polygon(rings, little=little)
+ return out
+
+
+def gpkg_blob(wkb, *, envelope=None, srs_id=SWEREF, little=True, empty=False):
+ """GeoPackage geometry BLOB, per OGC 12-128r19 clause 2.1.3.
+
+ Header is magic(2) + version(1) + flags(1) + srs_id(4), then the envelope,
+ then the WKB.
+ """
+ indicator = 0 if envelope is None else 1
+ flags = (1 if little else 0) | (indicator << 1) | (0x10 if empty else 0)
+ e = "<" if little else ">"
+ header = b"GP" + bytes([0, flags]) + struct.pack(e + "i", srs_id)
+ assert len(header) == 8, "the GeoPackage header is 8 bytes before the envelope"
+ body = b""
+ if envelope is not None:
+ body = struct.pack(e + "dddd", *envelope)
+ assert len(body) == 32, "an xy envelope is four doubles"
+ return header + body + wkb
+
+
+SQUARE = [[(0.0, 0.0), (10.0, 0.0), (10.0, 10.0), (0.0, 10.0), (0.0, 0.0)]]
+
+
+def test_reads_a_plain_polygon():
+ geom = parse_geometry_blob(gpkg_blob(wkb_polygon(SQUARE)))
+ assert geom["type"] == "Polygon"
+ assert geom["coordinates"][0][0] == [0.0, 0.0]
+ assert geom["coordinates"][0][2] == [10.0, 10.0]
+ assert len(geom["coordinates"][0]) == 5
+
+
+def test_skips_the_envelope_when_one_is_present():
+ """The envelope sits between the header and the WKB and must be stepped over."""
+ with_env = parse_geometry_blob(
+ gpkg_blob(wkb_polygon(SQUARE), envelope=(0.0, 10.0, 0.0, 10.0))
+ )
+ without = parse_geometry_blob(gpkg_blob(wkb_polygon(SQUARE)))
+ assert with_env == without
+
+
+def test_reads_big_endian_geometry():
+ assert parse_geometry_blob(
+ gpkg_blob(wkb_polygon(SQUARE, little=False), little=False)
+ ) == parse_geometry_blob(gpkg_blob(wkb_polygon(SQUARE)))
+
+
+def test_reads_3d_polygons_by_stepping_the_z():
+ """Building footprints carry heights; the z must not shift the ring."""
+ ring = [[(0.0, 0.0, 12.5), (10.0, 0.0, 12.5), (10.0, 10.0, 12.5), (0.0, 0.0, 12.5)]]
+ geom = parse_geometry_blob(gpkg_blob(wkb_polygon(ring, z=True)))
+ assert geom["coordinates"][0] == [[0.0, 0.0], [10.0, 0.0], [10.0, 10.0], [0.0, 0.0]]
+
+
+def test_reads_a_multipolygon_as_several_rings():
+ other = [[(20.0, 20.0), (30.0, 20.0), (30.0, 30.0), (20.0, 20.0)]]
+ geom = parse_geometry_blob(gpkg_blob(wkb_multipolygon([SQUARE, other])))
+ assert geom["type"] == "MultiPolygon"
+ assert len(geom["coordinates"]) == 2
+
+
+def test_an_interior_ring_survives():
+ """A courtyard is a second ring, and dropping it would inflate the roof."""
+ hole = [(2.0, 2.0), (4.0, 2.0), (4.0, 4.0), (2.0, 2.0)]
+ geom = parse_geometry_blob(gpkg_blob(wkb_polygon(SQUARE + [hole])))
+ assert len(geom["coordinates"]) == 2
+
+
+def test_empty_geometry_is_none_not_an_error():
+ assert parse_geometry_blob(gpkg_blob(b"", empty=True)) is None
+
+
+def test_rejects_a_blob_that_is_not_a_geopackage_geometry():
+ with pytest.raises(GeoPackageError, match="magic"):
+ parse_geometry_blob(b"XX" + bytes(20))
+
+
+def test_refuses_extended_geometry_rather_than_guessing():
+ blob = bytearray(gpkg_blob(wkb_polygon(SQUARE)))
+ blob[3] |= 0x20
+ with pytest.raises(GeoPackageError, match="extended"):
+ parse_geometry_blob(bytes(blob))
+
+
+def test_refuses_a_non_polygon_rather_than_mis_clipping():
+ point = struct.pack("B", 1) + struct.pack(" arrays ------------------------------------------------------
+
+def test_north_facing_pitched_roofs_are_not_proposed():
+ """At Swedish latitudes a north pitch yields too little to be worth adding
+ to an operator's config."""
+ planes = [
+ RoofPlane(tilt_deg=35, azimuth_deg=0, area_m2=60, point_count=200, mean_height_m=6),
+ RoofPlane(tilt_deg=35, azimuth_deg=180, area_m2=60, point_count=200, mean_height_m=6),
+ ]
+ arrays = planes_to_arrays(planes)
+ assert len(arrays) == 1
+ assert arrays[0].azimuth_deg == 180
+
+
+def test_flat_roofs_are_kept_regardless_of_building_orientation():
+ planes = [RoofPlane(tilt_deg=1.0, azimuth_deg=180, area_m2=90, point_count=300, mean_height_m=9)]
+ assert len(planes_to_arrays(planes)) == 1
+
+
+def test_tiny_faces_are_dropped():
+ """Dormers and porches are real surfaces but not candidate arrays."""
+ planes = [RoofPlane(tilt_deg=35, azimuth_deg=180, area_m2=3.0, point_count=50, mean_height_m=5)]
+ assert planes_to_arrays(planes) == []
+
+
+def test_arrays_get_readable_and_unique_names():
+ planes = [
+ RoofPlane(tilt_deg=35, azimuth_deg=180, area_m2=60, point_count=200, mean_height_m=6),
+ RoofPlane(tilt_deg=35, azimuth_deg=182, area_m2=40, point_count=150, mean_height_m=6),
+ RoofPlane(tilt_deg=35, azimuth_deg=270, area_m2=30, point_count=120, mean_height_m=6),
+ ]
+ arrays = planes_to_arrays(planes)
+ names = [a.name for a in arrays]
+ assert len(set(names)) == len(names), names
+ assert names[0] == "Roof south"
+ assert "Roof west" in names
+
+
+def test_array_json_matches_the_config_field_names():
+ """The document pre-fills weather.pv_arrays, so the keys must line up."""
+ planes = [RoofPlane(tilt_deg=35, azimuth_deg=180, area_m2=60, point_count=200, mean_height_m=6)]
+ payload = planes_to_arrays(planes)[0].to_json()
+ assert set(payload) >= {"name", "rated_w", "tilt_deg", "azimuth_deg"}
+ assert payload["rated_w"] > 0
+
+
+# --- end to end ------------------------------------------------------------
+
+def _patched_points(monkeypatch, cloud):
+ monkeypatch.setattr(pipeline, "load_points", lambda data: cloud)
+
+
+def test_derive_produces_a_versioned_document(monkeypatch):
+ gable = np.vstack([
+ make_plane(tilt_deg=35, azimuth_deg=180, width=12, depth=6, seed=11),
+ make_plane(tilt_deg=35, azimuth_deg=0, width=12, depth=6, origin=(0, 6, -4.2), seed=12),
+ ])
+ _patched_points(monkeypatch, gable)
+ session = FakeSession(search={"features": [feature()]}, asset=b"laz-bytes")
+ client = GeotorgetClient(CREDS, session=session)
+
+ model = pipeline.derive(
+ latitude=59.33, longitude=18.07, credentials=CREDS, client=client,
+ now=dt.datetime(2026, 7, 31, tzinfo=dt.timezone.utc),
+ )
+
+ assert model["schema_version"] == pipeline.SCHEMA_VERSION
+ assert model["source"]["provider"] == "lantmateriet"
+ assert model["captured_at_ms"] > 0
+ assert model["derived_at_ms"] == 1785456000000
+ # The gable's north face is dropped, so exactly the south face survives.
+ assert len(model["arrays"]) == 1
+ south = model["arrays"][0]
+ assert south["azimuth_deg"] == pytest.approx(180.0, abs=3.0)
+ assert south["tilt_deg"] == pytest.approx(35.0, abs=3.0)
+ assert south["rated_w"] > 0
+ # Must be JSON-serialisable for the subprocess contract.
+ json.dumps(model)
+
+
+def test_derive_searches_the_spec_bbox(monkeypatch):
+ _patched_points(monkeypatch, make_plane(tilt_deg=35, azimuth_deg=180))
+ session = FakeSession(search={"features": [feature()]}, asset=b"x")
+ pipeline.derive(
+ latitude=59.33, longitude=18.07, credentials=CREDS,
+ client=GeotorgetClient(CREDS, session=session), radius_m=40.0,
+ )
+ (_, body), = session.posts
+ # WGS84 lon/lat per the STAC spec, the live service's frame — and still
+ # square on the ground: built by stepping metres in SWEREF and
+ # unprojecting, which is what stac_search_bbox does.
+ expected = sweref.stac_search_bbox(59.33, 18.07, 40.0, 4326)
+ assert list(body["bbox"]) == pytest.approx(list(expected))
+
+
+def test_derive_uses_both_lantmateriet_roots_by_default(monkeypatch):
+ """The live service splits its STAC per product family: buildings on the
+ vector root, point clouds on the elevation root. The default derive must
+ build a client for each."""
+ made = []
+
+ class RecordingClient:
+ def __init__(self, credentials, base_url=None, **kw):
+ made.append(base_url)
+
+ def search(self, collection, bbox, limit=20):
+ return []
+
+ monkeypatch.setattr(pipeline, "GeotorgetClient", RecordingClient)
+ with pytest.raises(RoofModelError):
+ pipeline.derive(latitude=59.33, longitude=18.07, credentials=CREDS)
+ assert made == [
+ pipeline.geotorget.DEFAULT_BASE_URL,
+ pipeline.geotorget.DEFAULT_LIDAR_BASE_URL,
+ ]
+
+
+def test_derive_uses_one_client_for_a_custom_catalog(monkeypatch):
+ """A custom single-root catalog serves both collections itself."""
+ made = []
+
+ class RecordingClient:
+ def __init__(self, credentials, base_url=None, **kw):
+ made.append(base_url)
+
+ def search(self, collection, bbox, limit=20):
+ return []
+
+ monkeypatch.setattr(pipeline, "GeotorgetClient", RecordingClient)
+ with pytest.raises(RoofModelError):
+ pipeline.derive(
+ latitude=59.33, longitude=18.07, credentials=CREDS,
+ base_url="https://stac.example.org",
+ )
+ assert made == ["https://stac.example.org"]
+
+
+def test_derive_outside_sweden_says_so(monkeypatch):
+ """No tiles come back for a site Lantmaeteriet does not cover."""
+ session = FakeSession(search={"features": []})
+ with pytest.raises(RoofModelError) as exc:
+ pipeline.derive(
+ latitude=-33.87, longitude=151.21, credentials=CREDS,
+ client=GeotorgetClient(CREDS, session=session),
+ )
+ assert "Sweden only" in str(exc.value)
+
+
+def test_derive_reports_unknown_capture_date_without_failing(monkeypatch):
+ _patched_points(monkeypatch, make_plane(tilt_deg=35, azimuth_deg=180))
+ session = FakeSession(search={"features": [feature(datetime_value=None)]}, asset=b"x")
+ model = pipeline.derive(
+ latitude=59.33, longitude=18.07, credentials=CREDS,
+ client=GeotorgetClient(CREDS, session=session),
+ )
+ assert model["captured_at_ms"] is None
+ assert model["source"]["dataset_datetime"] is None
+ assert model["arrays"], "a missing provenance date must not block the model"
diff --git a/roofmodel/tests/test_pointcloud.py b/roofmodel/tests/test_pointcloud.py
new file mode 100644
index 000000000..ea3f6a101
--- /dev/null
+++ b/roofmodel/tests/test_pointcloud.py
@@ -0,0 +1,29 @@
+"""The COPC window query must never prune on z.
+
+Lantmäteriet's COPC writer keys octree nodes with a z origin that does not
+match the file's own cube (seen live: a node keyed to a slab 1.7 km underground
+holding points at +18..+42 m). Pruning by those keys silently drops the dense
+deep levels, so the query's vertical range has to cover every slab the cube
+could describe.
+"""
+
+from ftw_roofmodel.pointcloud import copc_query_z_range
+
+
+def test_the_query_covers_the_whole_octree_cube():
+ for center, half in [(332.51, 5000.005), (0.0, 128.0), (-250.0, 4096.0)]:
+ z_lo, z_hi = copc_query_z_range(center, half)
+ assert z_lo < center - half
+ assert z_hi > center + half
+
+
+def test_the_query_stays_bounded_for_scaled_int_filters():
+ # laspy's post-filter casts scaled bounds to int32; the range must stay
+ # proportional to the cube, never an arbitrary huge sentinel.
+ z_lo, z_hi = copc_query_z_range(332.51, 5000.005)
+ assert z_hi - z_lo < 10 * 5000.005
+
+
+def test_a_degenerate_cube_still_yields_a_range():
+ z_lo, z_hi = copc_query_z_range(100.0, 0.0)
+ assert z_lo < 100.0 < z_hi
diff --git a/roofmodel/tests/test_segment.py b/roofmodel/tests/test_segment.py
new file mode 100644
index 000000000..e8ec35451
--- /dev/null
+++ b/roofmodel/tests/test_segment.py
@@ -0,0 +1,188 @@
+"""Roof segmentation tests.
+
+Every case is a synthetic roof whose tilt, azimuth and area are known exactly by
+construction, so the assertions check recovered geometry against ground truth
+rather than against a previous run's output.
+"""
+
+import math
+
+import numpy as np
+import pytest
+
+from ftw_roofmodel.segment import RoofPlane, segment_roof
+
+
+def make_plane(
+ *,
+ tilt_deg: float,
+ azimuth_deg: float,
+ width: float = 10.0,
+ depth: float = 8.0,
+ origin=(0.0, 0.0, 0.0),
+ density: float = 8.0,
+ noise_m: float = 0.0,
+ seed: int = 1,
+) -> np.ndarray:
+ """Sample a rectangular sloped surface with a known tilt and azimuth.
+
+ The surface is generated by taking a horizontal grid and raising it along
+ the downslope direction, which is the inverse of what segment_roof does, so
+ the test never shares an implementation with the code under test.
+ """
+ rng = np.random.default_rng(seed)
+ n = max(int(width * depth * density), 60)
+ x = rng.uniform(0, width, n)
+ y = rng.uniform(0, depth, n)
+
+ # Aspect points the way the surface faces; height falls off along it.
+ az = math.radians(azimuth_deg)
+ east_dir, north_dir = math.sin(az), math.cos(az)
+ slope = math.tan(math.radians(tilt_deg))
+ z = -(x * east_dir + y * north_dir) * slope
+
+ if noise_m:
+ z = z + rng.normal(0.0, noise_m, n)
+
+ return np.column_stack([x + origin[0], y + origin[1], z + origin[2]])
+
+
+@pytest.mark.parametrize(
+ "tilt,azimuth",
+ [
+ (35.0, 180.0), # classic south-facing pitched roof
+ (30.0, 90.0), # east
+ (30.0, 270.0), # west
+ (45.0, 0.0), # north
+ (20.0, 225.0), # south-west
+ (60.0, 135.0), # steep south-east
+ ],
+)
+def test_recovers_known_tilt_and_azimuth(tilt, azimuth):
+ cloud = make_plane(tilt_deg=tilt, azimuth_deg=azimuth)
+ planes = segment_roof(cloud, point_density=8.0)
+ assert planes, "expected at least one plane"
+ got = planes[0]
+ assert got.tilt_deg == pytest.approx(tilt, abs=1.5)
+ # Compare on the circle so 359.5 vs 0.5 is a 1-degree error, not 359.
+ delta = abs((got.azimuth_deg - azimuth + 180.0) % 360.0 - 180.0)
+ assert delta < 2.0, f"azimuth {got.azimuth_deg} vs {azimuth}"
+
+
+def test_flat_roof_reports_flat_and_does_not_invent_an_azimuth():
+ """A horizontal surface has no meaningful aspect: its normal is vertical,
+ so the horizontal component is pure noise and could point anywhere."""
+ cloud = make_plane(tilt_deg=0.0, azimuth_deg=180.0, noise_m=0.02)
+ planes = segment_roof(cloud, point_density=8.0)
+ assert planes
+ assert planes[0].tilt_deg < 5.0
+ assert planes[0].azimuth_deg == 180.0
+
+
+def test_gable_roof_splits_into_two_opposing_faces():
+ """The canonical case: one ridge, two faces 180 degrees apart."""
+ south = make_plane(tilt_deg=35, azimuth_deg=180, depth=6, origin=(0, 0, 0), seed=2)
+ north = make_plane(tilt_deg=35, azimuth_deg=0, depth=6, origin=(0, 6, -4.2), seed=3)
+ planes = segment_roof(np.vstack([south, north]), point_density=8.0)
+
+ assert len(planes) >= 2, f"expected two faces, got {len(planes)}"
+ azimuths = sorted(p.azimuth_deg for p in planes[:2])
+ opposed = abs((azimuths[1] - azimuths[0]) - 180.0)
+ assert opposed < 5.0, f"faces should oppose, got {azimuths}"
+ for p in planes[:2]:
+ assert p.tilt_deg == pytest.approx(35.0, abs=2.0)
+
+
+def test_two_separate_buildings_on_the_same_plane_are_split():
+ """Two roofs with identical pitch and aspect satisfy one plane equation.
+ RANSAC alone would merge them; the DBSCAN pass is what separates them."""
+ a = make_plane(tilt_deg=30, azimuth_deg=180, origin=(0, 0, 0), seed=4)
+ b = make_plane(tilt_deg=30, azimuth_deg=180, origin=(60, 0, 0), seed=5)
+ planes = segment_roof(np.vstack([a, b]), point_density=8.0, cluster_eps_m=1.5)
+
+ assert len(planes) >= 2, "spatially disjoint faces must not be merged"
+ for p in planes[:2]:
+ assert p.tilt_deg == pytest.approx(30.0, abs=2.0)
+
+
+def test_area_is_the_sloped_area_not_the_footprint():
+ """A 10x8 footprint at 60 degrees covers 80 / cos(60) = 160 m2 of roof."""
+ cloud = make_plane(tilt_deg=60.0, azimuth_deg=180.0, width=10, depth=8, density=10)
+ planes = segment_roof(cloud, point_density=10.0)
+ assert planes
+ assert planes[0].area_m2 == pytest.approx(160.0, rel=0.15)
+
+
+def test_area_of_a_flat_roof_matches_its_footprint():
+ cloud = make_plane(tilt_deg=0.0, azimuth_deg=180.0, width=12, depth=10, density=10)
+ planes = segment_roof(cloud, point_density=10.0)
+ assert planes
+ assert planes[0].area_m2 == pytest.approx(120.0, rel=0.15)
+
+
+def test_survives_realistic_measurement_noise():
+ """1-2 pts/m2 airborne LiDAR carries several centimetres of range noise."""
+ cloud = make_plane(tilt_deg=35.0, azimuth_deg=180.0, noise_m=0.05, density=6)
+ planes = segment_roof(cloud, point_density=6.0, threshold_m=0.3)
+ assert planes
+ assert planes[0].tilt_deg == pytest.approx(35.0, abs=3.0)
+
+
+def test_walls_are_rejected():
+ """A near-vertical surface is a wall or a dormer cheek, not a roof."""
+ cloud = make_plane(tilt_deg=88.0, azimuth_deg=180.0)
+ planes = segment_roof(cloud, point_density=8.0)
+ assert all(p.tilt_deg <= 80.0 for p in planes)
+
+
+def test_noise_alone_yields_nothing_believable():
+ """A handful of scattered returns must not become a roof."""
+ rng = np.random.default_rng(7)
+ cloud = rng.uniform(0, 10, size=(25, 3))
+ assert segment_roof(cloud, point_density=8.0) == []
+
+
+def test_is_deterministic():
+ """Re-running a derive must not shuffle an operator's arrays."""
+ cloud = make_plane(tilt_deg=35, azimuth_deg=180)
+ a = segment_roof(cloud, point_density=8.0)
+ b = segment_roof(cloud, point_density=8.0)
+ assert a == b
+
+
+def test_planes_are_ordered_by_area():
+ big = make_plane(tilt_deg=30, azimuth_deg=180, width=14, depth=12, origin=(0, 0, 0), seed=8)
+ small = make_plane(tilt_deg=30, azimuth_deg=180, width=5, depth=4, origin=(70, 0, 0), seed=9)
+ planes = segment_roof(np.vstack([big, small]), point_density=8.0)
+ assert len(planes) >= 2
+ assert planes[0].area_m2 >= planes[1].area_m2
+
+
+def test_rejects_malformed_input():
+ with pytest.raises(ValueError):
+ segment_roof(np.zeros((10, 2)))
+
+
+def test_kwp_derives_from_area_with_packing_losses():
+ """A 100 m2 face cannot carry 100 m2 of modules."""
+ plane = RoofPlane(tilt_deg=35, azimuth_deg=180, area_m2=100.0, point_count=800, mean_height_m=6.0)
+ kwp = plane.kwp()
+ assert kwp == pytest.approx(100 * 0.70 * 200 / 1000.0)
+ assert kwp < 100 * 200 / 1000.0, "packing factor must reduce the raw area"
+
+
+def test_kwp_scales_with_area():
+ a = RoofPlane(tilt_deg=35, azimuth_deg=180, area_m2=50.0, point_count=1, mean_height_m=1.0)
+ b = RoofPlane(tilt_deg=35, azimuth_deg=180, area_m2=100.0, point_count=1, mean_height_m=1.0)
+ assert b.kwp() == pytest.approx(2 * a.kwp())
+
+
+def test_azimuth_never_reports_360():
+ """A north face fits at ~359.97 deg, which rounds to 360.0 -- the same
+ direction as 0 but an out-of-range-looking value for anything consuming it.
+ Caught by the demo, so pinned here."""
+ cloud = make_plane(tilt_deg=35, azimuth_deg=0, seed=21)
+ planes = segment_roof(cloud, point_density=8.0)
+ assert planes
+ for p in planes:
+ assert 0.0 <= p.azimuth_deg < 360.0, p.azimuth_deg
diff --git a/roofmodel/tests/test_source_formats.py b/roofmodel/tests/test_source_formats.py
new file mode 100644
index 000000000..db41dff69
--- /dev/null
+++ b/roofmodel/tests/test_source_formats.py
@@ -0,0 +1,314 @@
+"""The two Lantmaeteriet products end to end, in the formats they ship in.
+
+Both are STAC APIs over one client and one credential. What differs is the
+payload: *Byggnad Nedladdning, vektor* is GeoPackage, *Laserdata Nedladdning,
+Skog* is LAZ organised as COPC.
+"""
+
+from __future__ import annotations
+
+import json
+import math
+
+import numpy as np
+import pytest
+
+from ftw_roofmodel import pipeline, sweref
+from ftw_roofmodel.buildings import BuildingLookupError, search_buildings
+from ftw_roofmodel.geotorget import (
+ COLLECTION_BUILDINGS,
+ MEDIA_COPC,
+ MEDIA_GEOJSON,
+ MEDIA_GEOPACKAGE,
+ MEDIA_LAZ,
+ Asset,
+ Credentials,
+ StacItem,
+)
+from ftw_roofmodel.pipeline import derive
+from ftw_roofmodel.pointcloud import PointCloudError
+
+from .test_geopackage import build_gpkg, gpkg_blob, wkb_polygon
+
+STOCKHOLM = (59.33, 18.07)
+N, E = sweref.wgs84_to_sweref99tm(*STOCKHOLM)
+
+
+def square(cx, cy, w, d):
+ return [[(cx, cy), (cx + w, cy), (cx + w, cy + d), (cx, cy + d), (cx, cy)]]
+
+
+def roof_face(tilt, azimuth, w, d, origin, density=8, noise=0.04, seed=1):
+ rng = np.random.default_rng(seed)
+ n = int(w * d * density)
+ x = rng.uniform(0, w, n)
+ y = rng.uniform(0, d, n)
+ az = math.radians(azimuth)
+ s = math.tan(math.radians(tilt))
+ z = -(x * math.sin(az) + y * math.cos(az)) * s + rng.normal(0, noise, n)
+ return np.column_stack([x + origin[0], y + origin[1], z + origin[2]])
+
+
+HOUSE = np.vstack([
+ roof_face(35, 180, 12, 6, (E, N, 0), seed=2),
+ roof_face(35, 0, 12, 6, (E, N + 6, 4.2), seed=3),
+])
+
+
+class FakeClient:
+ """A Geotorget stand-in that serves typed assets."""
+
+ def __init__(self, building_asset=None, lidar_asset=None, payloads=None,
+ session=None):
+ self._building_asset = building_asset
+ self._lidar_asset = lidar_asset
+ self._payloads = payloads or {}
+ self.session = session
+ self.downloaded: list[str] = []
+
+ def search(self, collection, bbox, limit=20):
+ if collection == COLLECTION_BUILDINGS:
+ if self._building_asset is None:
+ return []
+ return [StacItem("tile-b", collection, {"data": self._building_asset}, None,
+ raw={"id": "tile-b"})]
+ if self._lidar_asset is None:
+ return []
+ return [StacItem("tile-l", collection, {"data": self._lidar_asset}, None,
+ raw={"id": "tile-l"})]
+
+ def download(self, url):
+ self.downloaded.append(url)
+ return self._payloads[url]
+
+
+def a_geopackage_of_two_buildings():
+ return build_gpkg([
+ ("house-1", "Bostad", gpkg_blob(wkb_polygon(square(E - 6, N - 3, 12, 12)))),
+ ("shed-1", "Komplementbyggnad",
+ gpkg_blob(wkb_polygon(square(E + 40, N + 40, 8, 8)))),
+ ])
+
+
+def test_buildings_come_out_of_a_geopackage_asset():
+ """The normal Byggnad-vektor path: the item points at a .gpkg tile."""
+ url = "https://api.lantmateriet.se/x/byggnad.gpkg"
+ client = FakeClient(
+ building_asset=Asset(url, MEDIA_GEOPACKAGE),
+ payloads={url: a_geopackage_of_two_buildings()},
+ )
+ found = search_buildings(client, latitude=STOCKHOLM[0], longitude=STOCKHOLM[1])
+
+ assert [b.building_id for b in found] == ["house-1", "shed-1"], "nearest first"
+ assert found[0].area_m2 == pytest.approx(144.0, rel=0.01)
+ assert found[0].properties["andamal"] == "Bostad"
+ assert client.downloaded == [url]
+
+
+def test_buildings_come_out_of_a_zipped_geopackage_asset():
+ """The live Lantmaeteriet shape: one item per municipality whose only
+ asset is byggnad_kn.zip with the GeoPackage inside."""
+ import io
+ import zipfile
+
+ buf = io.BytesIO()
+ with zipfile.ZipFile(buf, "w") as zf:
+ zf.writestr("byggnad_kn0180.gpkg", a_geopackage_of_two_buildings())
+ zf.writestr("licens.txt", "CC BY 4.0")
+ url = "https://dl1.lantmateriet.se/byggnadsverk/byggnad_kn0180.zip"
+ client = FakeClient(
+ building_asset=Asset(url, "application/zip"),
+ payloads={url: buf.getvalue()},
+ )
+ found = search_buildings(client, latitude=STOCKHOLM[0], longitude=STOCKHOLM[1])
+
+ assert [b.building_id for b in found] == ["house-1", "shed-1"]
+ assert client.downloaded == [url]
+
+
+def test_a_tile_asset_wins_over_the_tile_outline():
+ """The live municipality items carry their own geometry — the TILE's
+ outline, not a building. With a data asset present, the asset must be
+ read and the outline ignored; treating the outline as a building both
+ invented a giant footprint and skipped the 90k real ones (found live:
+ 'found=0' with no error, because the outline failed the area filter)."""
+ url = "https://dl1.lantmateriet.se/byggnadsverk/byggnad_kn0180.zip"
+ import io
+ import zipfile
+
+ buf = io.BytesIO()
+ with zipfile.ZipFile(buf, "w") as zf:
+ zf.writestr("byggnad_kn0180.gpkg", a_geopackage_of_two_buildings())
+ kommun_outline = {
+ "type": "Polygon",
+ "coordinates": [[[E - 20000, N - 20000], [E + 20000, N - 20000],
+ [E + 20000, N + 20000], [E - 20000, N + 20000],
+ [E - 20000, N - 20000]]],
+ }
+
+ class TileClient(FakeClient):
+ def search(self, collection, bbox, limit=20):
+ return [StacItem("0180", collection, {"data": Asset(url, "application/zip")},
+ None, raw={"id": "0180", "geometry": kommun_outline})]
+
+ client = TileClient(payloads={url: buf.getvalue()})
+ found = search_buildings(client, latitude=STOCKHOLM[0], longitude=STOCKHOLM[1])
+
+ assert [b.building_id for b in found] == ["house-1", "shed-1"]
+ assert client.downloaded == [url]
+
+
+def test_a_municipality_tile_is_filtered_to_the_search_window():
+ """One GeoPackage covers a whole municipality — Stockholm's has 90k+
+ buildings — so rows outside the search window must be dropped, or the
+ reader's row limit truncates the table before it reaches the site.
+
+ Both drop paths matter: a stored header envelope skips the row before
+ its WKB is decoded, and the live Lantmaeteriet files write NO envelopes
+ (flags 0x00), where the parsed geometry's own bounds must do it."""
+ far_e, far_n = E + 5000, N + 5000
+ gpkg = build_gpkg([
+ # Near the site, no envelope: kept via its parsed bounds.
+ ("near-1", "Bostad", gpkg_blob(wkb_polygon(square(E - 6, N - 3, 12, 12)))),
+ # Far away with an envelope: dropped before the WKB is decoded.
+ ("far-1", "Bostad", gpkg_blob(wkb_polygon(square(far_e, far_n, 12, 12)),
+ envelope=(far_e, far_e + 12, far_n, far_n + 12))),
+ # Far away without an envelope: dropped via its parsed bounds.
+ ("far-2", "Bostad", gpkg_blob(wkb_polygon(square(far_e, far_n - 60, 12, 12)))),
+ ])
+ url = "https://api.lantmateriet.se/x/byggnad_kn0180.gpkg"
+ client = FakeClient(building_asset=Asset(url, MEDIA_GEOPACKAGE), payloads={url: gpkg})
+ found = search_buildings(client, latitude=STOCKHOLM[0], longitude=STOCKHOLM[1])
+
+ assert [b.building_id for b in found] == ["near-1"]
+
+
+def test_buildings_come_out_of_a_geojson_asset_too():
+ """Some catalogues publish GeoJSON; both are handled by media type."""
+ url = "https://api.lantmateriet.se/x/byggnad.geojson"
+ doc = {
+ "type": "FeatureCollection",
+ "features": [{
+ "type": "Feature",
+ "id": "gj-1",
+ "geometry": {"type": "Polygon",
+ "coordinates": [[list(p) for p in square(E - 6, N - 3, 12, 12)[0]]]},
+ "properties": {"andamal": "Bostad"},
+ }],
+ }
+ client = FakeClient(
+ building_asset=Asset(url, MEDIA_GEOJSON),
+ payloads={url: json.dumps(doc).encode()},
+ )
+ found = search_buildings(client, latitude=STOCKHOLM[0], longitude=STOCKHOLM[1])
+ assert [b.building_id for b in found] == ["gj-1"]
+
+
+def test_an_unreadable_building_tile_says_what_is_wrong():
+ url = "https://api.lantmateriet.se/x/byggnad.gpkg"
+ client = FakeClient(
+ building_asset=Asset(url, MEDIA_GEOPACKAGE),
+ payloads={url: b"this is not a database"},
+ )
+ with pytest.raises(BuildingLookupError, match="could not be read"):
+ search_buildings(client, latitude=STOCKHOLM[0], longitude=STOCKHOLM[1])
+
+
+def test_an_item_with_no_usable_asset_is_skipped_not_fatal():
+ client = FakeClient(building_asset=Asset("https://x/preview.png", "image/png"))
+ with pytest.raises(BuildingLookupError, match="no building footprints"):
+ search_buildings(client, latitude=STOCKHOLM[0], longitude=STOCKHOLM[1])
+
+
+# --- LiDAR: COPC windowing -------------------------------------------------
+
+
+@pytest.fixture
+def lidar_scene(monkeypatch):
+ """A client whose LiDAR asset is COPC, with both read paths instrumented."""
+ gpkg_url = "https://api.lantmateriet.se/x/byggnad.gpkg"
+ copc_url = "https://api.lantmateriet.se/x/tile.copc.laz"
+ client = FakeClient(
+ building_asset=Asset(gpkg_url, MEDIA_GEOPACKAGE),
+ lidar_asset=Asset(copc_url, MEDIA_COPC),
+ payloads={gpkg_url: a_geopackage_of_two_buildings(), copc_url: b"laz-bytes"},
+ session=object(),
+ )
+ calls: dict[str, object] = {}
+
+ def fake_window(session, url, bounds, timeout=60.0):
+ calls["window"] = {"url": url, "bounds": bounds}
+ return HOUSE
+
+ monkeypatch.setattr(pipeline.pointcloud, "read_copc_window", fake_window)
+ monkeypatch.setattr(pipeline, "load_points", lambda data: HOUSE)
+ return client, calls, copc_url
+
+
+def test_a_picked_building_is_read_as_a_copc_window(lidar_scene):
+ """The payoff: a footprint costs a window, not a 2.5 km tile."""
+ client, calls, copc_url = lidar_scene
+ model = derive(
+ latitude=STOCKHOLM[0], longitude=STOCKHOLM[1],
+ credentials=Credentials("u", "t"), client=client, building_id="house-1",
+ )
+
+ assert model["source"]["fetch"] == "copc-window"
+ assert calls["window"]["url"] == copc_url
+ min_x, min_y, max_x, max_y = calls["window"]["bounds"]
+ # The footprint is 12 m square around the site, plus the eaves buffer.
+ assert min_x == pytest.approx(E - 7, abs=0.5)
+ assert max_x == pytest.approx(E + 7, abs=0.5)
+ assert copc_url not in client.downloaded, "the tile was never downloaded whole"
+
+
+def test_without_a_picked_building_the_tile_is_read_whole(lidar_scene):
+ """No footprint means no window to ask for."""
+ client, calls, copc_url = lidar_scene
+ model = derive(
+ latitude=STOCKHOLM[0], longitude=STOCKHOLM[1],
+ credentials=Credentials("u", "t"), client=client,
+ )
+ assert model["source"]["fetch"] == "whole-tile"
+ assert "window" not in calls
+ assert copc_url in client.downloaded
+
+
+def test_a_host_without_range_support_falls_back_to_the_whole_tile(monkeypatch, lidar_scene):
+ """Best-effort: the operator still gets their roof, just slower."""
+ client, _, copc_url = lidar_scene
+
+ def refuses(session, url, bounds, timeout=60.0):
+ raise PointCloudError("the LiDAR host does not support range requests")
+
+ monkeypatch.setattr(pipeline.pointcloud, "read_copc_window", refuses)
+ model = derive(
+ latitude=STOCKHOLM[0], longitude=STOCKHOLM[1],
+ credentials=Credentials("u", "t"), client=client, building_id="house-1",
+ )
+ assert model["source"]["fetch"] == "whole-tile"
+ assert copc_url in client.downloaded
+ assert model["arrays"], "and the roof still comes out"
+
+
+def test_a_plain_laz_asset_is_read_whole_even_with_a_building(monkeypatch):
+ """Only COPC can be windowed; plain LAZ has no index to seek with."""
+ gpkg_url = "https://api.lantmateriet.se/x/byggnad.gpkg"
+ laz_url = "https://api.lantmateriet.se/x/tile.laz"
+ client = FakeClient(
+ building_asset=Asset(gpkg_url, MEDIA_GEOPACKAGE),
+ lidar_asset=Asset(laz_url, MEDIA_LAZ),
+ payloads={gpkg_url: a_geopackage_of_two_buildings(), laz_url: b"laz-bytes"},
+ session=object(),
+ )
+ monkeypatch.setattr(pipeline, "load_points", lambda data: HOUSE)
+ called = []
+ monkeypatch.setattr(pipeline.pointcloud, "read_copc_window",
+ lambda *a, **k: called.append(1))
+
+ model = derive(
+ latitude=STOCKHOLM[0], longitude=STOCKHOLM[1],
+ credentials=Credentials("u", "t"), client=client, building_id="house-1",
+ )
+ assert model["source"]["fetch"] == "whole-tile"
+ assert not called
diff --git a/roofmodel/tests/test_sweref.py b/roofmodel/tests/test_sweref.py
new file mode 100644
index 000000000..1cd6dfa35
--- /dev/null
+++ b/roofmodel/tests/test_sweref.py
@@ -0,0 +1,148 @@
+"""SWEREF 99 TM projection tests.
+
+The projection has exact analytic properties at the central meridian and the
+equator, which pin the parameters without needing a published coordinate table.
+Round-trip accuracy then pins the series expansion itself.
+"""
+
+import math
+
+import pytest
+
+from ftw_roofmodel.sweref import (
+ bbox_wgs84_to_sweref99tm,
+ metre_box_around,
+ sweref99tm_to_wgs84,
+ wgs84_to_sweref99tm,
+)
+
+
+@pytest.mark.parametrize("lat", [0.0, 55.0, 59.33, 63.0, 69.0])
+def test_central_meridian_maps_to_false_easting(lat):
+ """On the central meridian easting is exactly the false easting, by
+ definition. Any error in scale, ellipsoid or meridian shows up here."""
+ _, easting = wgs84_to_sweref99tm(lat, 15.0)
+ assert easting == pytest.approx(500000.0, abs=1e-6)
+
+
+def test_equator_on_central_meridian_is_the_projection_origin():
+ northing, easting = wgs84_to_sweref99tm(0.0, 15.0)
+ assert northing == pytest.approx(0.0, abs=1e-6)
+ assert easting == pytest.approx(500000.0, abs=1e-6)
+
+
+@pytest.mark.parametrize(
+ "lat,lon",
+ [
+ (55.34, 13.15), # Smygehuk, southernmost Sweden
+ (59.33, 18.07), # Stockholm
+ (57.71, 11.97), # Gothenburg
+ (63.83, 20.26), # Umea
+ (67.86, 20.23), # Kiruna
+ (69.06, 20.55), # Treriksroeset, northernmost
+ ],
+)
+def test_round_trip_is_sub_millimetre(lat, lon):
+ """Project and unproject across the full extent of Sweden."""
+ n, e = wgs84_to_sweref99tm(lat, lon)
+ back_lat, back_lon = sweref99tm_to_wgs84(n, e)
+ # 1e-8 degrees is about 1 mm of latitude.
+ assert back_lat == pytest.approx(lat, abs=1e-8)
+ assert back_lon == pytest.approx(lon, abs=1e-8)
+
+
+def test_coordinates_land_in_the_expected_range_for_sweden():
+ """Sanity-check magnitudes: Swedish SWEREF 99 TM eastings sit inside
+ 260-920 km and northings inside 6100-7700 km. A transposed or
+ wrongly-scaled result would fall far outside."""
+ n, e = wgs84_to_sweref99tm(59.33, 18.07)
+ assert 260_000 < e < 920_000, e
+ assert 6_100_000 < n < 7_700_000, n
+
+
+def test_east_of_the_meridian_increases_easting():
+ _, west = wgs84_to_sweref99tm(59.33, 14.0)
+ _, east = wgs84_to_sweref99tm(59.33, 16.0)
+ assert west < 500000.0 < east
+
+
+def test_north_increases_northing():
+ south, _ = wgs84_to_sweref99tm(55.0, 15.0)
+ north, _ = wgs84_to_sweref99tm(65.0, 15.0)
+ assert north > south
+
+
+def test_one_degree_of_latitude_is_about_111_km():
+ a, _ = wgs84_to_sweref99tm(59.0, 15.0)
+ b, _ = wgs84_to_sweref99tm(60.0, 15.0)
+ # Scaled by k0 = 0.9996 on the central meridian.
+ assert 110_000 < (b - a) < 112_000
+
+
+def test_bbox_uses_all_four_corners():
+ """The projection is not axis-aligned, so the projected box must be at
+ least as large as the one implied by the two diagonal corners."""
+ min_lat, min_lon, max_lat, max_lon = 59.0, 17.0, 60.0, 19.0
+ min_e, min_n, max_e, max_n = bbox_wgs84_to_sweref99tm(
+ min_lat, min_lon, max_lat, max_lon
+ )
+ sw_n, sw_e = wgs84_to_sweref99tm(min_lat, min_lon)
+ ne_n, ne_e = wgs84_to_sweref99tm(max_lat, max_lon)
+ assert min_e <= sw_e and min_n <= sw_n
+ assert max_e >= ne_e and max_n >= ne_n
+ assert min_e < max_e and min_n < max_n
+
+
+def test_metre_box_is_square_on_the_ground():
+ """A 100 m box must measure 200 m on both axes regardless of latitude --
+ the whole reason it is built in projected metres rather than in degrees."""
+ for lat in (55.5, 59.33, 68.0):
+ south, west, north, east = metre_box_around(lat, 15.0, 100.0)
+ sn, se = wgs84_to_sweref99tm(south, west)
+ nn, ne = wgs84_to_sweref99tm(north, east)
+ assert (ne - se) == pytest.approx(200.0, abs=0.5)
+ assert (nn - sn) == pytest.approx(200.0, abs=0.5)
+
+
+def test_metre_box_brackets_its_centre():
+ south, west, north, east = metre_box_around(59.33, 18.07, 50.0)
+ assert south < 59.33 < north
+ assert west < 18.07 < east
+
+
+def test_stac_search_bbox_sweref_matches_the_long_form():
+ from ftw_roofmodel.sweref import bbox_wgs84_to_sweref99tm, stac_search_bbox
+
+ south, west, north, east = metre_box_around(59.33, 18.07, 40.0)
+ assert stac_search_bbox(59.33, 18.07, 40.0) == bbox_wgs84_to_sweref99tm(
+ south, west, north, east
+ )
+
+
+def test_stac_search_bbox_wgs84_is_lon_lat_ordered():
+ """The STAC spec's bbox is [west, south, east, north] in degrees."""
+ from ftw_roofmodel.sweref import stac_search_bbox
+
+ west, south, east, north = stac_search_bbox(59.33, 18.07, 40.0, bbox_epsg=4326)
+ assert west < 18.07 < east
+ assert south < 59.33 < north
+
+
+def test_stac_search_bbox_refuses_a_crs_it_cannot_produce():
+ from ftw_roofmodel.sweref import stac_search_bbox
+
+ with pytest.raises(ValueError):
+ stac_search_bbox(59.33, 18.07, 40.0, bbox_epsg=3857)
+
+
+def test_degree_box_would_have_been_wrong_at_high_latitude():
+ """Guards the reason metre_box_around exists: a fixed degree offset gives
+ wildly different ground distances at Malmoe and Kiruna, so anyone tempted to
+ simplify it back to degrees has to defeat this test first."""
+ span = []
+ for lat in (55.5, 68.0):
+ # What a naive 0.001-degree longitude offset would span, in metres.
+ _, e0 = wgs84_to_sweref99tm(lat, 15.0)
+ _, e1 = wgs84_to_sweref99tm(lat, 15.001)
+ span.append(e1 - e0)
+ assert span[0] / span[1] > 1.5, span
diff --git a/web/components/ftw-bar-chart.js b/web/components/ftw-bar-chart.js
index d7465a6ba..6f0144d8e 100644
--- a/web/components/ftw-bar-chart.js
+++ b/web/components/ftw-bar-chart.js
@@ -188,6 +188,26 @@ class FtwBarChart extends FtwElement {
opacity: 0.85;
pointer-events: none;
}
+ /* Optional dashed overlay line (e.g. STRÅNG-expected PV vs the
+ produced bars). An SVG stretched to fill .bar-area, plotted in a
+ 0..100 viewBox so it needs no pixel math against the CSS grid;
+ non-scaling-stroke keeps the dash crisp despite the stretch. */
+ .overlay-line {
+ position: absolute;
+ inset: 0;
+ width: 100%;
+ height: 100%;
+ pointer-events: none;
+ overflow: visible;
+ }
+ .overlay-line polyline {
+ fill: none;
+ stroke: var(--ftw-overlay-color, var(--amber, #f59e0b));
+ stroke-width: 1.5;
+ stroke-dasharray: 4 3;
+ vector-effect: non-scaling-stroke;
+ opacity: 0.9;
+ }
`;
static get observedAttributes() {
@@ -197,6 +217,7 @@ class FtwBarChart extends FtwElement {
constructor() {
super();
this._data = [];
+ this._overlay = null;
}
attributeChangedCallback() { this.update(); }
@@ -209,6 +230,16 @@ class FtwBarChart extends FtwElement {
}
get data() { return this._data; }
+ // Optional dashed overlay line, index-aligned with .data. Shape:
+ // { values: (number|null)[], color?: string }
+ // values[i] is plotted above column i on the SAME axis as the bars
+ // (nulls / non-finite entries break the line). Set null to remove.
+ set overlay(o) {
+ this._overlay = o && Array.isArray(o.values) ? o : null;
+ this.update();
+ }
+ get overlay() { return this._overlay; }
+
render() {
const accent = this.getAttribute("accent");
const height = this.getAttribute("chart-height");
@@ -262,6 +293,17 @@ class FtwBarChart extends FtwElement {
}
const avg = count > 0 ? sum / count : 0;
+ // Fold overlay values into the axis max so the expected line and the
+ // produced bars share one scale (an expected level above the tallest
+ // bar must still fit in-frame).
+ const overlayVals = this._overlay ? this._overlay.values : null;
+ if (overlayVals) {
+ for (const ov of overlayVals) {
+ const n = Number(ov);
+ if (isFinite(n) && n > max) max = n;
+ }
+ }
+
const colsSvg = this._data.map((d) => {
const v = Number(d.value) || 0;
// 2% floor keeps tiny-but-nonzero values visible; gate on v>0 so
@@ -300,10 +342,34 @@ class FtwBarChart extends FtwElement {
`title="average ${display}">`;
}
+ // Dashed overlay line (expected series). Plotted in a 0..100 viewBox
+ // stretched to fill .bar-area: x centers each column, y is the value
+ // as a percentage of the shared max (inverted — SVG y grows downward).
+ let overlayLine = "";
+ if (overlayVals && max > 0) {
+ const n = this._data.length;
+ const pts = [];
+ for (let i = 0; i < n; i++) {
+ const val = Number(overlayVals[i]);
+ if (!isFinite(val)) continue;
+ const x = n > 1 ? (i + 0.5) / n * 100 : 50;
+ const y = Math.max(0, Math.min(100, 100 - (val / max) * 100));
+ pts.push(`${x.toFixed(2)},${y.toFixed(2)}`);
+ }
+ if (pts.length >= 2) {
+ const color = this._overlay.color;
+ if (color) this.style.setProperty("--ftw-overlay-color", color);
+ overlayLine =
+ ``;
+ }
+ }
+
return `
${lblsSvg}
diff --git a/web/components/ftw-history-card.js b/web/components/ftw-history-card.js
index ed659092e..1e1393c0c 100644
--- a/web/components/ftw-history-card.js
+++ b/web/components/ftw-history-card.js
@@ -28,7 +28,7 @@
import { FtwElement, ftwDebugDelay } from "./ftw-element.js";
import { apiFetch } from "./api-fetch.js";
-import "./ftw-bar-chart.js";
+import "./ftw-bar-chart.js?v=strang1";
const FIELD_BY_METRIC = {
import: "import_wh",
@@ -82,6 +82,36 @@ function fetchDailyEnergy(days) {
return promise;
}
+// STRÅNG-based PV performance (expected-vs-actual). Only the "Produced"
+// (metric="pv") tile fetches this, to overlay the weather-expected line.
+// Tolerant: a disabled/absent service or any error resolves to
+// { enabled:false } so the bars still render without an overlay.
+const pvPerfFetchCache = new Map(); // days -> { at, data?, promise? }
+
+function fetchPVPerformance(days) {
+ const now = Date.now();
+ const cached = pvPerfFetchCache.get(days);
+ if (cached && cached.data && now - cached.at < DAILY_CACHE_TTL_MS) {
+ return Promise.resolve(cached.data);
+ }
+ if (cached && cached.promise && now - cached.at < DAILY_CACHE_TTL_MS) {
+ return cached.promise;
+ }
+ const promise = apiFetch("/api/pv/performance?days=" + days)
+ .then((r) => (r.ok ? r.json() : { enabled: false }))
+ .then((resp) => {
+ const data = resp || { enabled: false };
+ pvPerfFetchCache.set(days, { at: Date.now(), data });
+ return data;
+ })
+ .catch(() => {
+ pvPerfFetchCache.delete(days);
+ return { enabled: false };
+ });
+ pvPerfFetchCache.set(days, { at: now, promise });
+ return promise;
+}
+
class FtwHistoryCard extends FtwElement {
static styles = `
:host { display: block; }
@@ -205,6 +235,27 @@ class FtwHistoryCard extends FtwElement {
margin-left: 6px;
letter-spacing: 0;
}
+ /* STRÅNG expected-vs-actual caption under the Produced chart. Hidden
+ until the pv tile has a performance overlay to describe. The dashed
+ swatch mirrors the overlay line so the legend reads at a glance. */
+ .strang-note {
+ margin-top: 6px;
+ font-size: 0.72rem;
+ color: var(--fg-muted);
+ font-family: var(--mono);
+ display: flex;
+ align-items: center;
+ gap: 6px;
+ }
+ .strang-note[hidden] { display: none; }
+ .strang-note .swatch {
+ display: inline-block;
+ width: 16px;
+ height: 0;
+ border-top: 2px dashed #fcd34d;
+ flex: 0 0 auto;
+ }
+ .strang-note .pr { color: var(--fg-label); font-weight: 600; }
@media (max-width: 900px) {
.card-inner { padding: var(--card-pad-tight, 12px 14px); }
}
@@ -302,6 +353,7 @@ class FtwHistoryCard extends FtwElement {
— kWh
FTW
-
+
0;)i[a++]=e[o++]}}return i}var HS=class extends LS{constructor(e,t,n,r,i,a,o,s){super(e,n,r,o??t.length),this.indexBuffer=t,this.symbolOffsetBuffer=i,this.symbolTableBuffer=a,this.sharedDictionaryCache=s}getValueFromBuffer(e){this.decodedDictionary??(this.decodedDictionary=this.sharedDictionaryCache?.decodedDictionary,this.decodedDictionary??(this.decodedDictionary=this.decodeDictionary(),this.sharedDictionaryCache&&(this.sharedDictionaryCache.decodedDictionary=this.decodedDictionary)));let t=this.indexBuffer[e],n=this.offsetBuffer[t],r=this.offsetBuffer[t+1];return Nx(this.decodedDictionary,n,r)}decodeDictionary(){return this.symbolLengthBuffer??=this.offsetToLengthBuffer(this.symbolOffsetBuffer),VS(this.symbolTableBuffer,this.symbolLengthBuffer,this.dataBuffer)}offsetToLengthBuffer(e){let t=new Uint32Array(e.length-1),n=e[0];for(let r=1;r1&&!c.nullable||l===1&&c.nullable)throw Error(`The number of streams for the child field ${c.name} does not match its nullability. nullibilty: 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a=m.toString(),l=r.get(`text-letter-spacing`).evaluate(t,{},e.canonical)*24,f=Fc(a)?l:0,g=r.get(`text-anchor`).evaluate(t,{},e.canonical),_=Cw(n,t,e.canonical);if(!_){let n=r.get(`text-radial-offset`).evaluate(t,{},e.canonical);h=n?Sw(g,[n*24,xw]):r.get(`text-offset`).evaluate(t,{},e.canonical).map(e=>e*24)}let v=s?`center`:r.get(`text-justify`).evaluate(t,{},e.canonical),y=r.get(`symbol-placement`)===`point`?r.get(`text-max-width`).evaluate(t,{},e.canonical)*24:1/0,b=()=>{e.bucket.allowVerticalPlacement&&Pc(a)&&(p.vertical=z_(m,e.glyphMap,e.glyphPositions,e.imagePositions,i,y,o,g,`left`,f,h,2,!0,d,u))};if(!s&&_){let t=new Set;if(v===`auto`)for(let e=0;e<_.values.length;e+=2)t.add(Tw(_.values[e]));else t.add(v);let n=!1;for(let r of t)if(!p.horizontal[r]){if(n)p.horizontal[r]=p.horizontal[0];else{let t=z_(m,e.glyphMap,e.glyphPositions,e.imagePositions,i,y,o,`center`,r,f,h,1,!1,d,u);t&&(p.horizontal[r]=t,n=t.positionedLines.length===1)}}b()}else{v===`auto`&&(v=Tw(g));let 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Tw(e){switch(e){case`right`:case`top-right`:case`bottom-right`:return`right`;case`left`:case`top-left`:case`bottom-left`:return`left`}return`center`}function Ew(e,t,n,r,i,a,o,s,c,l,u,d){let f=a.textMaxSize.evaluate(t,{});f===void 0&&(f=o);let p=e.layers[0].layout,m=p.get(`icon-offset`).evaluate(t,{},u),h=kw(n.horizontal),g=o/24,_=e.tilePixelRatio*g,v=e.tilePixelRatio*f/24,y=e.tilePixelRatio*s,b=e.tilePixelRatio*p.get(`symbol-spacing`),x=p.get(`text-padding`)*e.tilePixelRatio,S=jv(p,t,u,e.tilePixelRatio),C=p.get(`text-max-angle`)/180*Math.PI,w=p.get(`text-rotation-alignment`)!==`viewport`&&p.get(`symbol-placement`)!==`point`,T=p.get(`icon-rotation-alignment`).constantOr(`viewport`)===`map`&&p.get(`symbol-placement`)!==`point`,E=p.get(`symbol-placement`),D=b/2,O=p.get(`icon-text-fit`),k;r&&O!==`none`&&(e.allowVerticalPlacement&&n.vertical&&(k=av(r,n.vertical,O,p.get(`icon-text-fit-padding`),m,g)),h&&(r=av(r,h,O,p.get(`icon-text-fit-padding`),m,g)));let A=u?d.line.getGranularityForZoomLevel(u.z):1,ee=(s,d)=>{d.x<0||d.x>=8192||d.y<0||d.y>=8192||Aw(e,d,s,n,r,i,k,e.layers[0],e.collisionBoxArray,t.index,t.sourceLayerIndex,e.index,_,[x,x,x,x],w,c,y,S,T,m,t,a,l,u,o)};if(E===`line`)for(let i of GC(t.geometry,0,0,j,j)){let t=Tp(i,A),a=aw(t,b,C,n.vertical||h,r,24,v,e.overscaling,j);for(let n of a){let r=h;(!r||!jw(e,r.text,D,n))&&ee(t,n)}}else if(E===`line-center`){for(let e of t.geometry)if(e.length>1){let t=Tp(e,A),i=iw(t,C,n.vertical||h,r,24,v);i&&ee(t,i)}}else if(t.type===`Polygon`)for(let e of oi(t.geometry,0)){let t=hw(e,16);ee(Tp(e[0],A,!0),new $C(t.x,t.y,0))}else if(t.type===`LineString`)for(let e of t.geometry){let t=Tp(e,A);ee(t,new $C(t[0].x,t[0].y,0))}else if(t.type===`Point`)for(let e of t.geometry)for(let t of e)ee([t],new $C(t.x,t.y,0))}function Dw(e,t){let n=e.length,r=t?.values;if(r?.length>0)for(let t=0;t32640&&It(`${e.layerIds[0]}: Value for "text-size" is >= 255. 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c={},l={featureIndex:s,iconDependencies:{},patternDependencies:{},glyphDependencies:{},dashDependencies:{},availableImages:n,subdivisionGranularity:a},u=t.familiesBySource[this.source];for(let t in u){let r=e.layers[t];if(!r)continue;r.version===1&&m(`Vector tile source "${this.source}" layer "${t}" does not use vector tile spec v2 and therefore may have some rendering errors.`);let i=o.encode(t),a=[];for(let e=0;ee.id)))}}let d=b(l.glyphDependencies,e=>Object.keys(e));for(let e of this.inFlightDependencies)e?.abort();this.inFlightDependencies=[];let p=Promise.resolve({});if(Object.keys(d).length){let e=new AbortController;this.inFlightDependencies.push(e),p=i.sendAsync({type:`GG`,data:{stacks:d,source:this.source,tileID:this.tileID,type:`glyphs`}},e)}let h=Object.keys(l.iconDependencies),g=Promise.resolve({});if(h.length){let e=new AbortController;this.inFlightDependencies.push(e),g=i.sendAsync({type:`GI`,data:{icons:h,source:this.source,tileID:this.tileID,type:`icons`}},e)}let y=Object.keys(l.patternDependencies),C=Promise.resolve({});if(y.length){let e=new AbortController;this.inFlightDependencies.push(e),C=i.sendAsync({type:`GI`,data:{icons:y,source:this.source,tileID:this.tileID,type:`patterns`}},e)}let w=l.dashDependencies,T=Promise.resolve({});if(Object.keys(w).length){let e=new AbortController;this.inFlightDependencies.push(e),T=i.sendAsync({type:`GDA`,data:{dashes:w}},e)}let[E,D,O,k]=await Promise.all([p,g,C,T]),A=new G(E),j=new f(D,O);for(let e in c){let t=c[e];t instanceof r?(q(t.layers,this.zoom,n),te({bucket:t,glyphMap:E,glyphPositions:A.positions,imageMap:D,imagePositions:j.iconPositions,showCollisionBoxes:this.showCollisionBoxes,canonical:this.tileID.canonical,subdivisionGranularity:l.subdivisionGranularity})):t.hasDependencies&&(t instanceof ee||t instanceof N||t instanceof 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i(e.request,t)).data),e.data){e.data=this._filterGeoJSON(e.data,e.filter,e.source),this._geoJSONIndex=this._createGeoJSONIndex(e.data,e);return}if(e.dataDiff){this._geoJSONIndex??=this._createGeoJSONIndex({type:`FeatureCollection`,features:[]},e),this._geoJSONIndex.updateData(e.dataDiff,this._getFilterPredicate(e.filter,e.source));return}if(e.updateCluster&&this._geoJSONIndex.updateClusterOptions(e.geojsonVtOptions.cluster,Z(e)),this._geoJSONIndex==null)throw Error(`Input data given to '${e.source}' is not a valid GeoJSON object.`)}_filterGeoJSON(e,t,n){if(e.type!==`FeatureCollection`)return e;let r=this._getFilterPredicate(t,n);return r?{type:`FeatureCollection`,features:e.features.filter(e=>r(e))}:e}_getFilterPredicate(e,t){if(typeof e!=`boolean`&&!e?.length)return;let n=j(e,`sources.${t}.filter`,{type:`boolean`,"property-type":`data-driven`,overridable:!1,transition:!1});if(n.result===`error`)throw Error(n.value.map(e=>`${e.key}: ${e.message}`).join(`, `));return e=>n.value.evaluate({zoom:0},e)}async removeSource(e){this._pendingRequest?.abort()}getClusterExpansionZoom(e){return this._geoJSONIndex.getClusterExpansionZoom(e.clusterId)}getClusterChildren(e){return this._geoJSONIndex.getClusterChildren(e.clusterId)}getClusterLeaves(e){return this._geoJSONIndex.getClusterLeaves(e.clusterId,e.limit,e.offset)}};function de(e,t){let n=y(t.geojsonVtOptions||{},{updateable:!0,clusterOptions:Z(t)});return new o(e,n)}function Z({geojsonVtOptions:e,clusterProperties:t,source:n}){if(!t||!e.clusterOptions)return e.clusterOptions;let r={},i={},a={accumulated:null,zoom:0},o={properties:null},s=Object.keys(t);for(let e of s){let[a,o]=t[e],s=j(o,`sources.${n}.clusterProperties.${e}[1]`),c=j(typeof a==`string`?[a,[`accumulated`],[`get`,e]]:a,`sources.${n}.clusterProperties.${e}[0]`);r[e]=s.value,i[e]=c.value}return e.clusterOptions.map=e=>{o.properties=e;let t={};for(let e of s)t[e]=r[e].evaluate(a,o);return t},e.clusterOptions.reduce=(e,t)=>{o.properties=t;for(let t of s)a.accumulated=e[t],e[t]=i[t].evaluate(a,o)},e.clusterOptions}async function Q(e){if(e.endsWith(`.mjs`)){await import(e);return}let t=await fetch(e,{credentials:`same-origin`});if(!t.ok)throw Error(`Failed to load ${e}: ${t.status}`);let n=await t.text();if(/^[ \t]*(import|export)\s/m.test(n)){let e=URL.createObjectURL(new Blob([n],{type:`text/javascript`}));try{await import(e)}finally{URL.revokeObjectURL(e)}return}globalThis.eval(n)}var $=class{constructor(t){this.self=t,this.actor=new R(t),this.layerIndexes={},this.availableImages={},this.workerSources={},this.demWorkerSources={},this.externalWorkerSourceTypes={},this.globalStates=new Map,this.self.registerWorkerSource=(e,t)=>{if(this.externalWorkerSourceTypes[e])throw Error(`Worker source with name "${e}" already registered.`);this.externalWorkerSourceTypes[e]=t},this.self.addProtocol=u,this.self.removeProtocol=p,this.self.registerRTLTextPlugin=e=>{D.setMethods(e)},this.self.makeRequest=e,this.actor.registerMessageHandler(`LDT`,(e,t)=>this._getDEMWorkerSource(e,t.source).loadTile(t)),this.actor.registerMessageHandler(`RDT`,async(e,t)=>{this._getDEMWorkerSource(e,t.source).removeTile(t)}),this.actor.registerMessageHandler(`GCEZ`,async(e,t)=>this._getWorkerSource(e,t.type,t.source).getClusterExpansionZoom(t)),this.actor.registerMessageHandler(`GCC`,async(e,t)=>this._getWorkerSource(e,t.type,t.source).getClusterChildren(t)),this.actor.registerMessageHandler(`GCL`,async(e,t)=>this._getWorkerSource(e,t.type,t.source).getClusterLeaves(t)),this.actor.registerMessageHandler(`LD`,(e,t)=>this._getWorkerSource(e,t.type,t.source).loadData(t)),this.actor.registerMessageHandler(`LT`,(e,t)=>this._getWorkerSource(e,t.type,t.source).loadTile(t)),this.actor.registerMessageHandler(`RT`,(e,t)=>this._getWorkerSource(e,t.type,t.source).reloadTile(t)),this.actor.registerMessageHandler(`AT`,(e,t)=>this._getWorkerSource(e,t.type,t.source).abortTile(t)),this.actor.registerMessageHandler(`RMT`,(e,t)=>this._getWorkerSource(e,t.type,t.source).removeTile(t)),this.actor.registerMessageHandler(`RS`,async(e,t)=>{if(!this.workerSources[e]?.[t.type]?.[t.source])return;let n=this.workerSources[e][t.type][t.source];delete this.workerSources[e][t.type][t.source],n.removeSource!==void 0&&n.removeSource(t)}),this.actor.registerMessageHandler(`RM`,async e=>{delete this.layerIndexes[e],delete this.availableImages[e],delete this.workerSources[e],delete this.demWorkerSources[e],this.globalStates.delete(e)}),this.actor.registerMessageHandler(`SR`,async(e,t)=>{this.referrer=t}),this.actor.registerMessageHandler(`SRPS`,(e,t)=>this._syncRTLPluginState(e,t)),this.actor.registerMessageHandler(`IS`,async(e,t)=>{await Q(t)}),this.actor.registerMessageHandler(`SI`,(e,t)=>this._setImages(e,t)),this.actor.registerMessageHandler(`UL`,async(e,t)=>{this._getLayerIndex(e).update(t.layers,t.removedIds,this._getGlobalState(e))}),this.actor.registerMessageHandler(`UGS`,async(e,t)=>{let n=this._getGlobalState(e);for(let e in t)n[e]=t[e]}),this.actor.registerMessageHandler(`SL`,async(e,t)=>{this._getLayerIndex(e).replace(t,this._getGlobalState(e))})}_getGlobalState(e){let t=this.globalStates.get(e);return t||(t={},this.globalStates.set(e,t)),t}async _setImages(e,t){this.availableImages[e]=t;for(let n in this.workerSources[e]){let r=this.workerSources[e][n];for(let e in r)r[e].availableImages=t}}async _syncRTLPluginState(e,t){return await D.syncState(t,Q)}_getAvailableImages(e){let t=this.availableImages[e];return t||=[],t}_getLayerIndex(e){let t=this.layerIndexes[e];return t||=this.layerIndexes[e]=new W,t}_getWorkerSource(e,t,n){if(this.workerSources[e]||={},this.workerSources[e][t]||={},!this.workerSources[e][t][n]){let r={sendAsync:(t,n)=>(t.targetMapId=e,this.actor.sendAsync(t,n))};switch(t){case`vector`:this.workerSources[e][t][n]=new le(r,this._getLayerIndex(e),this._getAvailableImages(e));break;case`geojson`:this.workerSources[e][t][n]=new ue(r,this._getLayerIndex(e),this._getAvailableImages(e));break;default:this.workerSources[e][t][n]=new this.externalWorkerSourceTypes[t](r,this._getLayerIndex(e),this._getAvailableImages(e))}}return this.workerSources[e][t][n]}_getDEMWorkerSource(e,t){return this.demWorkerSources[e]||={},this.demWorkerSources[e][t]||=new X,this.demWorkerSources[e][t]}};L(self)&&(self.worker=new $(self));export{$ as default};
+//# sourceMappingURL=maplibre-gl-worker.mjs.map
\ No newline at end of file
diff --git a/web/vendor/maplibre/maplibre-gl.css b/web/vendor/maplibre/maplibre-gl.css
new file mode 100644
index 000000000..2c85b53a0
--- /dev/null
+++ b/web/vendor/maplibre/maplibre-gl.css
@@ -0,0 +1 @@
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.maplibregl-canvas{touch-action:pinch-zoom}.maplibregl-canvas-container.maplibregl-touch-zoom-rotate.maplibregl-touch-drag-pan,.maplibregl-canvas-container.maplibregl-touch-zoom-rotate.maplibregl-touch-drag-pan .maplibregl-canvas{touch-action:none}.maplibregl-canvas-container.maplibregl-touch-drag-pan.maplibregl-cooperative-gestures,.maplibregl-canvas-container.maplibregl-touch-drag-pan.maplibregl-cooperative-gestures .maplibregl-canvas{touch-action:pan-x pan-y}.maplibregl-ctrl-bottom-left,.maplibregl-ctrl-bottom-right,.maplibregl-ctrl-top-left,.maplibregl-ctrl-top-right{position:absolute;pointer-events:none;z-index:2}.maplibregl-ctrl-top-left{top:0;left:0}.maplibregl-ctrl-top-right{top:0;right:0}.maplibregl-ctrl-bottom-left{bottom:0;left:0}.maplibregl-ctrl-bottom-right{right:0;bottom:0}.maplibregl-ctrl{clear:both;pointer-events:auto;transform:translate(0)}.maplibregl-ctrl-top-left .maplibregl-ctrl{margin:10px 0 0 10px;float:left}.maplibregl-ctrl-top-right .maplibregl-ctrl{margin:10px 10px 0 0;float:right}.maplibregl-ctrl-bottom-left .maplibregl-ctrl{margin:0 0 10px 10px;float:left}.maplibregl-ctrl-bottom-right .maplibregl-ctrl{margin:0 10px 10px 0;float:right}.maplibregl-ctrl-group{border-radius:4px;background:#fff}.maplibregl-ctrl-group:not(:empty){box-shadow:0 0 0 2px rgba(0,0,0,.1)}@media (forced-colors:active){.maplibregl-ctrl-group:not(:empty){box-shadow:0 0 0 2px ButtonText}}.maplibregl-ctrl-group button{width:29px;height:29px;display:block;padding:0;outline:none;border:0;box-sizing:border-box;background-color:transparent;cursor:pointer}.maplibregl-ctrl-group button+button{border-top:1px solid #ddd}.maplibregl-ctrl button .maplibregl-ctrl-icon{display:block;width:100%;height:100%;background-repeat:no-repeat;background-position:50%}@media (forced-colors:active){.maplibregl-ctrl-icon{background-color:transparent}.maplibregl-ctrl-group button+button{border-top:1px solid ButtonText}}.maplibregl-ctrl 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(prefers-color-scheme:light){.maplibregl-ctrl button.maplibregl-ctrl-zoom-out .maplibregl-ctrl-icon{background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%2229%22%20height%3D%2229%22%20viewBox%3D%220%200%2029%2029%22%3E%3Cpath%20d%3D%22M10%2013c-.75%200-1.5.75-1.5%201.5S9.25%2016%2010%2016h9c.75%200%201.5-.75%201.5-1.5S19.75%2013%2019%2013z%22%2F%3E%3C%2Fsvg%3E")}.maplibregl-ctrl button.maplibregl-ctrl-zoom-in .maplibregl-ctrl-icon{background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%2229%22%20height%3D%2229%22%20viewBox%3D%220%200%2029%2029%22%3E%3Cpath%20d%3D%22M14.5%208.5c-.75%200-1.5.75-1.5%201.5v3h-3c-.75%200-1.5.75-1.5%201.5S9.25%2016%2010%2016h3v3c0%20.75.75%201.5%201.5%201.5S16%2019.75%2016%2019v-3h3c.75%200%201.5-.75%201.5-1.5S19.75%2013%2019%2013h-3v-3c0-.75-.75-1.5-1.5-1.5%22%2F%3E%3C%2Fsvg%3E")}}.maplibregl-ctrl button.maplibregl-ctrl-fullscreen .maplibregl-ctrl-icon{background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%2229%22%20height%3D%2229%22%20fill%3D%22%23333%22%20viewBox%3D%220%200%2029%2029%22%3E%3Cpath%20d%3D%22M24%2016v5.5c0%201.75-.75%202.5-2.5%202.5H16v-1l3-1.5-4-5.5%201-1%205.5%204%201.5-3zM6%2016l1.5%203%205.5-4%201%201-4%205.5%203%201.5v1H7.5C5.75%2024%205%2023.25%205%2021.5V16zm7-11v1l-3%201.5%204%205.5-1%201-5.5-4L6%2013H5V7.5C5%205.75%205.75%205%207.5%205zm11%202.5c0-1.75-.75-2.5-2.5-2.5H16v1l3%201.5-4%205.5%201%201%205.5-4%201.5%203h1z%22%2F%3E%3C%2Fsvg%3E")}.maplibregl-ctrl button.maplibregl-ctrl-shrink 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.maplibregl-ctrl-icon{background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%2229%22%20height%3D%2229%22%20fill%3D%22%23fff%22%20viewBox%3D%220%200%2029%2029%22%3E%3Cpath%20d%3D%22M24%2016v5.5c0%201.75-.75%202.5-2.5%202.5H16v-1l3-1.5-4-5.5%201-1%205.5%204%201.5-3zM6%2016l1.5%203%205.5-4%201%201-4%205.5%203%201.5v1H7.5C5.75%2024%205%2023.25%205%2021.5V16zm7-11v1l-3%201.5%204%205.5-1%201-5.5-4L6%2013H5V7.5C5%205.75%205.75%205%207.5%205zm11%202.5c0-1.75-.75-2.5-2.5-2.5H16v1l3%201.5-4%205.5%201%201%205.5-4%201.5%203h1z%22%2F%3E%3C%2Fsvg%3E")}.maplibregl-ctrl button.maplibregl-ctrl-shrink 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\ No newline at end of file
diff --git a/web/vendor/maplibre/maplibre-gl.mjs b/web/vendor/maplibre/maplibre-gl.mjs
new file mode 100644
index 000000000..16c40880e
--- /dev/null
+++ b/web/vendor/maplibre/maplibre-gl.mjs
@@ -0,0 +1,806 @@
+/**
+* MapLibre GL JS
+* @license 3-Clause BSD. Full text of license: https://github.com/maplibre/maplibre-gl-js/blob/v6.7.0/LICENSE.txt
+*/
+import{$ as e,$n as t,$r as n,$t as r,A as i,Ai as a,An as o,Ar as s,At as c,Bi as l,Bn as u,Br as d,Bt as f,C as p,Ci as m,Cn as h,Cr as g,Ct as _,D as v,Di as y,Dn as b,Dr as x,Dt as S,E as C,Ei as w,En as T,Er as E,Et as D,F as ee,Fi as O,Fn as k,Fr as A,Ft as j,Gn as M,Gr as te,Gt as ne,H as re,Hn as ie,Hr as N,Ht as ae,I as oe,Ii as se,In as ce,Ir as le,It as ue,J as de,Jn as fe,Jr as pe,Jt as me,K as he,Kn as ge,Kr as _e,Kt as ve,L as ye,Li as be,Ln as xe,Lr as Se,Lt as Ce,Mi as we,Mn as Te,Mr as Ee,Mt as De,N as Oe,Ni as ke,Nn as Ae,Nr as je,Nt as P,O as Me,Oi as Ne,On as Pe,Or as Fe,Ot as Ie,Pi as Le,Pn as Re,Pr as ze,Pt as F,Q as Be,Qn as Ve,Qr as He,Qt as Ue,R as We,Ri as Ge,Rn as Ke,Rr as I,Rt as qe,S as Je,Si as Ye,Sn as Xe,Sr as Ze,T as Qe,Ti as $e,Tn as et,Tr as tt,Tt as nt,U as rt,Un as it,Ur as at,Ut as ot,V as st,Vn as ct,Vr as lt,Vt as ut,Wn as dt,Wr as ft,Wt as pt,X as mt,Xn as L,Xr as ht,Xt as gt,Y as _t,Yn as vt,Yr as yt,Yt as bt,Z as xt,Zn as St,Zr as Ct,Zt as wt,_ as Tt,_i as Et,_n as R,_r as Dt,_t as Ot,a as kt,ai as At,an as jt,ar as z,at as Mt,b as Nt,bi as Pt,bn as Ft,br as It,bt as Lt,ci as Rt,cn as zt,cr as Bt,ct as Vt,di as Ht,dn as Ut,dt as Wt,ei as Gt,en as Kt,er as qt,et as Jt,f as Yt,fi as Xt,fn as Zt,fr as Qt,g as $t,gi as en,gn as tn,gr as nn,h as rn,hi as an,hn as on,hr as sn,ht as cn,ii as ln,ir as un,it as dn,j as fn,ji as pn,jn as mn,jr as hn,jt as gn,k as _n,ki as vn,kn as yn,kr as bn,kt as xn,li as Sn,ln as Cn,lr as wn,lt as Tn,mi as En,mr as Dn,mt as On,ni as kn,nn as An,nr as jn,nt as Mn,oi as Nn,on as Pn,or as Fn,ot as In,pi as Ln,pn as Rn,pr as zn,pt as Bn,qn as Vn,qr as Hn,qt as Un,r as Wn,ri as Gn,rn as Kn,rr as qn,rt as B,s as Jn,si as Yn,sr as Xn,st as Zn,t as Qn,ti as $n,tn as er,tr,tt as nr,u as rr,ui as ir,un as ar,ur as or,ut as V,v as sr,vi as cr,vn as lr,vr as ur,vt as dr,w as fr,wi as pr,wn as mr,wr as hr,wt as gr,x as _r,xi as vr,xn as H,xr as yr,xt as br,y as xr,yi as Sr,yn as Cr,yr as wr,yt as Tr,z as 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_loadFontFace(e){if(typeof FontFace>`u`||typeof document>`u`||!document.fonts)return I(`Ignoring the font face at ${e.url}: this environment has no CSS Font Loading API.`),!1;let t;try{return t=new FontFace(e.family,await this._downloadFontFile(e.url)),Object.values(this._faces).some(t=>t.includes(e))?(document.fonts.add(t),this._registered.add(t),await t.load(),!0):!1}catch(n){return t&&this._unregister(t),I(`Ignoring the font face at ${e.url}: ${qn(n).message}`),!1}}async _downloadFontFile(e){let t=await this.requestManager.transformRequest(e,`Glyphs`),n=await T(t,new AbortController);if(!n?.data)throw Error(`the response was empty for the font file at ${e}`);return n.data}_unregister(e){document.fonts?.delete(e),this._registered.delete(e)}_unregisterAll(){for(let e of this._registered)document.fonts?.delete(e);this._registered.clear()}destroy(){this._unregisterAll(),this._faces={}}};const ki=0x56bc75e2d63100000,Ai=new Float64Array(256);for(let e=0;e<256;e++){let t=.5-(e/255)**(1/2.2);Ai[e]=t*Math.abs(t)}Ai[255]=-0x56bc75e2d63100000;var ji=class{constructor({fontSize:e=24,buffer:t=3,radius:n=8,cutoff:r=.25,fontFamily:i=`sans-serif`,fontWeight:a=`normal`,fontStyle:o=`normal`,lang:s=null}={}){this.buffer=t,this.radius=n,this.cutoff=r,this.lang=s;let c=this.size=e+t*4,l=this._createCanvas(c),u=this.ctx=l.getContext(`2d`,{willReadFrequently:!0});u.font=`${o} ${a} ${e}px ${i}`,u.textBaseline=`alphabetic`,u.textAlign=`left`,u.fillStyle=`black`,this.gridOuter=new Float64Array(c*c),this.gridInner=new Float64Array(c*c),this.f=new Float64Array(c),this.z=new Float64Array(c+1),this.v=new Uint16Array(c)}_createCanvas(e){if(typeof OffscreenCanvas<`u`)return new OffscreenCanvas(e,e);let t=document.createElement(`canvas`);return t.width=t.height=e,t}draw(e){let{width:t,actualBoundingBoxAscent:n,actualBoundingBoxDescent:r,actualBoundingBoxLeft:i,actualBoundingBoxRight:a}=this.ctx.measureText(e),o=Math.ceil(n),s=Math.floor(-i),c=Math.max(0,Math.min(this.size-this.buffer,Math.ceil(a)-s)),l=Math.max(0,Math.min(this.size-this.buffer,o+Math.ceil(r))),u=c+2*this.buffer,d=l+2*this.buffer,f=Math.max(u*d,0),p=new Uint8ClampedArray(f),m={data:p,width:u,height:d,glyphWidth:c,glyphHeight:l,glyphTop:o,glyphLeft:s,glyphAdvance:t};if(c===0||l===0)return m;let{ctx:h,buffer:g,gridInner:_,gridOuter:v}=this;this.lang&&(h.lang=this.lang),h.clearRect(g,g,c,l),h.fillText(e,g-s,g+o);let y=h.getImageData(g,g,c,l);v.fill(ki,0,f),_.fill(0,0,f);let b=3;for(let e=0;e-1);c++,a[c]=s,o[c]=l,o[c+1]=ki}for(let s=0,c=0;s{let n=new ji(e);return n.buffer=t,n};var Ii=class{constructor(e,t,n,r=Fi){this.requestManager=e,this.localIdeographFontFamily=t,this.entries={},this.lang=n,this.fontFaceManager=new Oi(e),this.createRasterizer=r}setURL(e){this.url=e}setFontFaces(e){this.fontFaceManager.setFontFaces(e),this.entries={}}async getGlyphs(e){let t=[];for(let n in e)for(let r of e[n])t.push(this._getAndCacheGlyphsPromise(n,r));let n=await Promise.all(t),r={};for(let{stack:e,id:t,glyph:i}of n)r[e]||={},r[e][t]=i&&{id:i.id,bitmap:i.bitmap.clone(),metrics:i.metrics};return r}async _getAndCacheGlyphsPromise(e,t){this.entries[e]??={glyphs:{},requests:{},ranges:{}};let n=this.entries[e],r=n.glyphs[t];if(r!==void 0)return{stack:e,id:t,glyph:r};let i=t.codePointAt(0),a=this.fontFaceManager.hasFontFaces()?await this.fontFaceManager.getFontFamily(e,i):null;return a?(r=n.glyphs[t]=await this._drawGlyph(n,e,t,a),{stack:e,id:t,glyph:r}):st(t)?(r=n.glyphs[t]=null,{stack:e,id:t,glyph:r}):!this.url||this._charUsesLocalIdeographFontFamily(i)?(r=n.glyphs[t]=await this._drawGlyph(n,e,t),{stack:e,id:t,glyph:r}):await this._downloadAndCacheRangePromise(e,t)}async _downloadAndCacheRangePromise(e,t){let n=t.codePointAt(0),r=this.entries[e],i=Math.floor(n/256);if(r.ranges[i])return{stack:e,id:t,glyph:null};r.requests[i]||=this._loadGlyphRange(e,i);try{let a=await r.requests[i];for(let e in a)r.glyphs[String.fromCodePoint(+e)]=a[+e];return r.ranges[i]=!0,{stack:e,id:t,glyph:a[n]||null}}catch(a){let o=r.glyphs[t]=await this._drawGlyph(r,e,t);return this._warnOnMissingGlyphRange(o,i,n,qn(a)),{stack:e,id:t,glyph:o}}}async _loadGlyphRange(e,t){let n=t*256,r=n+255,i=await this.requestManager.transformRequest(this.url.replace(`{fontstack}`,e).replace(`{range}`,`${n}-${r}`),`Glyphs`),a=await T(i,new AbortController);if(!a?.data)throw Error(`Could not load glyph range. range: ${t}, ${n}-${r}`);let o={};for(let e of Er(a.data))o[e.id]=e;return o}_warnOnMissingGlyphRange(e,t,n,r){let i=t*256,a=i+255,o=n.toString(16).padStart(4,`0`).toUpperCase();I(`Unable to load glyph range ${t}, ${i}-${a}. 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i=r.map(e=>/[-\w]+/.test(e)?e:`'${CSS.escape(e)}'`).join(`,`),a=t?this._fontWeight(r[0]):void 0,o=t?this._fontStyle(r[0]):`normal`;if(typeof document<`u`&&document.fonts?.load)try{await document.fonts.load(`${o} ${a||`normal`} 48px ${i}`)}catch(e){I(`Failed to load font "${i}": ${qn(e).message}`)}return this.createRasterizer({fontSize:48,buffer:Math.max(6,Math.ceil(48*(n-1)/4)),radius:16,cutoff:.25,fontFamily:i,fontWeight:a,fontStyle:o,lang:this.lang},6)}_fontStyle(e){return/italic/i.test(e)?`italic`:/oblique/i.test(e)?`oblique`:`normal`}_fontWeight(e){let t={thin:100,hairline:100,"extra light":200,"ultra light":200,light:300,normal:400,regular:400,medium:500,semibold:600,demibold:600,bold:700,"extra bold":800,"ultra bold":800,black:900,heavy:900,"extra black":950,"ultra black":950},n;for(let[r,i]of Object.entries(t))RegExp(`\\b${r}\\b`,`i`).test(e)&&(n=`${i}`);return n}destroy(){for(let e in this.entries){let t=this.entries[e];t.tinySDF=null,t.ideographTinySDF=null,t.fontFaceTinySDFs={},t.glyphs={},t.requests={},t.ranges={}}this.entries={},this.fontFaceManager.destroy()}};let Li;const Ri=()=>Li||=new Kt({anchor:new r(Ft.light.anchor,`anchor`),position:new r(Ft.light.position,`position`),color:new r(Ft.light.color,`color`),intensity:new r(Ft.light.intensity,`intensity`)});var zi=class extends h{constructor(e,t){super(),this._transitionable=new An(Ri(),`light`,t),this.setLight(e),this._transitioning=this._transitionable.untransitioned()}getLight(){return this._transitionable.serialize()}getCartesianPosition(){return je(this.properties.get(`position`))}setLight(e,t={}){if(!this._validate(Ut.light,e,t))for(let t in e){let n=e[t];t.endsWith(`-transition`)?this._transitionable.setTransition(t.slice(0,-er.length),n):this._transitionable.setValue(t,n)}}updateTransitions(e){this._transitioning=this._transitionable.transitioned(e,this._transitioning)}hasTransition(){return this._transitioning.hasTransition()}recalculate(e){this.properties=this._transitioning.possiblyEvaluate(e)}_validate(e,t,n){return ar(this,e,{value:t},n)}};let Bi;const Vi=()=>Bi||=new Kt({"sky-color":new r(Ft.sky[`sky-color`],`sky-color`),"horizon-color":new r(Ft.sky[`horizon-color`],`horizon-color`),"fog-color":new r(Ft.sky[`fog-color`],`fog-color`),"fog-ground-blend":new r(Ft.sky[`fog-ground-blend`],`fog-ground-blend`),"horizon-fog-blend":new r(Ft.sky[`horizon-fog-blend`],`horizon-fog-blend`),"sky-horizon-blend":new r(Ft.sky[`sky-horizon-blend`],`sky-horizon-blend`),"atmosphere-blend":new r(Ft.sky[`atmosphere-blend`],`atmosphere-blend`)});var Hi=class extends h{constructor(e,t){super(),this._transitionable=new An(Vi(),`sky`,t),this.setSky(e),this._transitioning=this._transitionable.untransitioned(),this.recalculate(new Kn(0))}setSky(e,t={}){if(!this._validate(Ut.sky,e,t)){e||={"sky-color":`transparent`,"horizon-color":`transparent`,"fog-color":`transparent`,"fog-ground-blend":1,"atmosphere-blend":0};for(let t in e){let n=e[t];t.endsWith(`-transition`)?this._transitionable.setTransition(t.slice(0,-er.length),n):this._transitionable.setValue(t,n)}}}getSky(){return this._transitionable.serialize()}updateTransitions(e){this._transitioning=this._transitionable.transitioned(e,this._transitioning)}hasTransition(){return this._transitioning.hasTransition()}recalculate(e){this.properties=this._transitioning.possiblyEvaluate(e)}_validate(e,t,n={}){return ar(this,e,{value:t},n)}calculateFogBlendOpacity(e){return e<60?0:e<70?(e-60)/10:1}},Ui=class{constructor(e,t){this.width=e,this.height=t,this.nextRow=0,this.data=new Uint8Array(this.width*this.height),this.dashEntry={}}getDash(e,t){let n=e.join(`,`)+String(t);return this.dashEntry[n]||=this.addDash(e,t),this.dashEntry[n]}getDashRanges(e,t,n){let r=e.length%2==1,i=[],a=r?-e[e.length-1]*n:0,o=e[0]*n,s=!0;i.push({left:a,right:o,isDash:s,zeroLength:e[0]===0});let c=e[0];for(let t=1;t1&&(s=e[++o]);let c=Math.abs(i-s.left),l=Math.abs(i-s.right),u=Math.min(c,l),d,f=t/n*(r+1);if(s.isDash){let e=r-Math.abs(f);d=Math.sqrt(u*u+e*e)}else d=r-Math.sqrt(u*u+f*f);this.data[a+i]=Math.max(0,Math.min(255,d+128))}}}addRegularDash(e){for(let t=e.length-1;t>=0;--t){let n=e[t],r=e[t+1];n.zeroLength?e.splice(t,1):r?.isDash===n.isDash&&(r.left=n.left,e.splice(t,1))}let t=e[0],n=e[e.length-1];t.isDash===n.isDash&&(t.left=n.left-this.width,n.right=t.right+this.width);let r=this.width*this.nextRow,i=0,a=e[i];for(let t=0;t1&&(a=e[++i]);let n=Math.abs(t-a.left),o=Math.abs(t-a.right),s=Math.min(n,o),c=a.isDash?s:-s;this.data[r+t]=Math.max(0,Math.min(255,c+128))}}addDash(e,t){let n=t?7:0,r=2*n+1;if(this.nextRow+r>this.height)return I(`LineAtlas out of space`),null;let i=0;for(let t of e)i+=t;if(i!==0){let r=this.width/i,a=this.getDashRanges(e,this.width,r);t?this.addRoundDash(a,r,n):this.addRegularDash(a)}let a={y:this.nextRow+n,height:2*n,width:i};return this.nextRow+=r,this.dirty=!0,a}bind(e){let t=e.gl;this.texture?(t.bindTexture(t.TEXTURE_2D,this.texture),this.dirty&&(this.dirty=!1,t.texSubImage2D(t.TEXTURE_2D,0,0,0,this.width,this.height,t.ALPHA,t.UNSIGNED_BYTE,this.data))):(this.texture=t.createTexture(),t.bindTexture(t.TEXTURE_2D,this.texture),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_S,t.REPEAT),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_T,t.REPEAT),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MIN_FILTER,t.LINEAR),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MAG_FILTER,t.LINEAR),t.texImage2D(t.TEXTURE_2D,0,t.ALPHA,this.width,this.height,0,t.ALPHA,t.UNSIGNED_BYTE,this.data))}};function Wi(e){if(!e)return!1;let t=globalThis.location;if(!t)return!1;try{return new URL(e,t.href).origin!==t.origin}catch{return!1}}function Gi(){let e=import.meta.url;if(!/^https?:/.test(e))return``;let t=e.endsWith(`-dev.mjs`)?`maplibre-gl-worker-dev.mjs`:`maplibre-gl-worker.mjs`;return new URL(`./${t}`,e).href}function Ki(e,t){if(t)try{return new Worker(e,{type:`module`})}catch(e){console.warn(`Module worker not supported, falling back to classic worker`,e)}return new Worker(e)}async function qi(e){let t=await fetch(e);if(!t.ok)throw Error(`Failed to fetch worker script (${t.status}): ${e}`);let n=await t.text(),r=new Blob([n],{type:`text/javascript`});return URL.createObjectURL(r)}function Ji(e){let t=new Blob([`import ${JSON.stringify(new URL(e,import.meta.url).href)}`],{type:`text/javascript`});return URL.createObjectURL(t)}async function Yi(){let e=k.WORKER_URL||Gi(),t=!e?.endsWith(`.cjs`);if(!Wi(e))return Ki(e,t);if(t){let n=Ji(e);try{return Ki(n,t)}finally{URL.revokeObjectURL(n)}}let n=await qi(e);try{return Ki(n,t)}finally{URL.revokeObjectURL(n)}}const Xi=`maplibre_preloaded_worker_pool`;var Zi=class e{constructor(){this.active={},this.workersPromise=null}async 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this.actors)e.remove();this.actors=[],e&&this.workerPool.release(this.id)}async registerMessageHandler(e,t){let n=await this.actorsPromise;for(let r of n)r.registerMessageHandler(e,t)}async unregisterMessageHandler(e){let t=await this.actorsPromise;for(let n of t)n.unregisterMessageHandler(e)}};let ia;function aa(){return ia||(ia=new ra(ea(),et),ia.registerMessageHandler(`GR`,(e,t,n)=>o(t,n))),ia}function oa(e,t){let n=vr();return Le(n,n,[1,1,0]),ke(n,n,[e.width*.5,e.height*.5,1]),e.calculatePosMatrix?y(n,n,e.calculatePosMatrix(t.toUnwrapped())):n}function sa(e,t,n){if(e)for(let r of e){let e=t[r];if(e?.source===n&&e.type===`fill-extrusion`)return!0}else for(let e in t){let r=t[e];if(r.source===n&&r.type===`fill-extrusion`)return!0}return!1}function ca(e,t,n,r,i,a,o){let s=sa(i?.layers??null,t,e.id),c=a.maxPitchScaleFactor(),l=e.tilesIn(r,c,s);l.sort(da);let u=[];for(let r of 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n=e.tileID,r=t.tileID;return n.overscaledZ-r.overscaledZ||n.canonical.y-r.canonical.y||n.wrap-r.wrap||n.canonical.x-r.canonical.x}function fa(e){let t={},n={};for(let{queryResults:r,wrappedTileID:i}of e){n[i]||={};let e=n[i];for(let n in r){let i=r[n];e[n]||={};let a=e[n];t[n]||=[];for(let e of i)a[e.featureIndex]||(a[e.featureIndex]=!0,t[n].push(e))}}return t}function pa(e,t){for(let n in e)for(let r of e[n])ha(r,t);return e}function ma(e,t,n){for(let r in e)for(let i of e[r]){let e=n[t[r].source];ha(i,e)}return e}function ha(e,t){let n=e.feature,r=t.getFeatureState(n.layer[`source-layer`],n.id);n.source=n.layer.source,n.layer[`source-layer`]&&(n.sourceLayer=n.layer[`source-layer`]),n.state=r}async function ga(e,t,n,r){let i=e;if(e.url?i=(await b(await t.transformRequest(e.url,`Source`),n)).data:await Rr.frameAsync(n,r),!i)return null;let a=hr(z(i,e),[`tiles`,`minzoom`,`maxzoom`,`attribution`,`bounds`,`scheme`,`tileSize`,`encoding`]);return`vector_layers`in i&&i.vector_layers&&(a.vectorLayerIds=i.vector_layers.map(e=>e.id)),a}var _a=class e{constructor(e,t){e&&(t?this.setSouthWest(e).setNorthEast(t):Array.isArray(e)&&(e.length===4?this.setSouthWest([e[0],e[1]]).setNorthEast([e[2],e[3]]):this.setSouthWest(e[0]).setNorthEast(e[1])))}setNorthEast(e){return this._ne=e instanceof V?new V(e.lng,e.lat):V.convert(e),this}setSouthWest(e){return this._sw=e instanceof V?new V(e.lng,e.lat):V.convert(e),this}extend(t){let n=this._sw,r=this._ne,i,a;if(t instanceof V)i=t,a=t;else if(t instanceof e){if(i=t._sw,a=t._ne,!i||!a)return this}else{if(Array.isArray(t)){if(t.length===4||t.every(Array.isArray)){let n=t;return this.extend(e.convert(n))}{let e=t;return this.extend(V.convert(e))}}return t&&(`lng`in t||`lon`in t)&&`lat`in t?this.extend(V.convert(t)):this}return!n&&!r?(this._sw=new V(i.lng,i.lat),this._ne=new V(a.lng,a.lat)):(n.lng=Math.min(i.lng,n.lng),n.lat=Math.min(i.lat,n.lat),r.lng=Math.max(a.lng,r.lng),r.lat=Math.max(a.lat,r.lat)),this}getCenter(){return new V((this._sw.lng+this._ne.lng)/2,(this._sw.lat+this._ne.lat)/2)}getSouthWest(){return this._sw}getNorthEast(){return this._ne}getNorthWest(){return new V(this.getWest(),this.getNorth())}getSouthEast(){return new V(this.getEast(),this.getSouth())}getWest(){return this._sw.lng}getSouth(){return this._sw.lat}getEast(){return this._ne.lng}getNorth(){return this._ne.lat}toArray(){return[this._sw.toArray(),this._ne.toArray()]}toString(){return`LngLatBounds(${this._sw.toString()}, ${this._ne.toString()})`}isEmpty(){return!(this._sw&&this._ne)}contains(e){let{lng:t,lat:n}=V.convert(e),r=this._sw.lat<=n&&n<=this._ne.lat,i=this._sw.lng<=t&&t<=this._ne.lng;return this._sw.lng>this._ne.lng&&(i=this._sw.lng>=t&&t>=this._ne.lng),r&&i}intersects(t){if(t=e.convert(t),!(t.getNorth()>=this.getSouth()&&t.getSouth()<=this.getNorth()))return!1;let n=Math.abs(this.getEast()-this.getWest()),r=Math.abs(t.getEast()-t.getWest());if(n>=360||r>=360)return!0;let i=Or(this.getWest(),-180,180),a=Or(this.getEast(),-180,180),o=Or(t.getWest(),-180,180),s=Or(t.getEast(),-180,180),c=i>a,l=o>s;return c&&l?!0:c?s>=i||o<=a:l?a>=o||i<=s:o<=a&&s>=i}static convert(t){return t instanceof e||!t?t:new e(t)}static fromLngLat(t,n=0){let r=360*n/40075017,i=r/Math.cos(Math.PI/180*t.lat);return new e(new V(t.lng-i,t.lat-r),new V(t.lng+i,t.lat+r))}adjustAntiMeridian(){let t=new V(this._sw.lng,this._sw.lat),n=new V(this._ne.lng,this._ne.lat);return t.lng>n.lng?new e(t,new V(n.lng+360,n.lat)):new e(t,n)}},va=class{constructor(e,t,n){this.bounds=_a.convert(this.validateBounds(e)),this.minzoom=t||0,this.maxzoom=n||24}validateBounds(e){return!Array.isArray(e)||e.length!==4?[-180,-90,180,90]:[Math.max(-180,e[0]),Math.max(-90,e[1]),Math.min(180,e[2]),Math.min(90,e[3])]}contains(e){let t=2**e.z,n={minX:Math.floor(Zn(this.bounds.getWest())*t),minY:Math.floor(Vt(this.bounds.getNorth())*t),maxX:Math.ceil(Zn(this.bounds.getEast())*t),maxY:Math.ceil(Vt(this.bounds.getSouth())*t)};return e.x>=n.minX&&e.x=n.minY&&e.y{this._options.tiles=e}),this}setUrl(e){return this.setSourceProperty(()=>{this.url=e,this._options.url=e}),this}onRemove(){this._tileJSONRequest&&=(this._tileJSONRequest.abort(),null)}serialize(){return z({},this._options)}async loadTile(e){let t=e.tileID.canonical.url(this.tiles,this.map.getPixelRatio(),this.scheme),n={request:await this.map._requestManager.transformRequest(t,`Tile`),uid:e.uid,tileID:e.tileID,zoom:e.tileID.overscaledZ,tileSize:this.tileSize*e.tileID.overscaleFactor(),type:this.type,source:this.id,pixelRatio:this.map.getPixelRatio(),showCollisionBoxes:this.map.showCollisionBoxes,promoteId:this.promoteId,subdivisionGranularity:this.map.style.projection.subdivisionGranularity,encoding:this.encoding,overzoomParameters:await this._getOverzoomParameters(e),etag:e.etag};n.request.collectResourceTiming=this._collectResourceTiming,await this.dispatcher.waitForInitComplete();let r=`RT`;if(!e.actor||e.state===`expired`)e.actor=this.dispatcher.getReadyActor(),r=`LT`;else if(e.state===`loading`)return new Promise((t,n)=>{e.reloadPromise={resolve:t,reject:n}});e.abortController=new AbortController;try{let t=await e.actor.sendAsync({type:r,data:n},e.abortController);if(delete e.abortController,e.aborted)return;this._afterTileLoadWorkerResponse(e,t);let i={};return t?.etagUnmodified&&(i.unmodified=!0),i}catch(t){if(delete e.abortController,e.aborted||xe(t))return;if(t&&t.status!==404)throw t;this._afterTileLoadWorkerResponse(e,null)}}async _getOverzoomParameters(e){if(e.tileID.canonical.z<=this.maxzoom||this.map._zoomLevelsToOverscale===void 0)return;let t=e.tileID.scaledTo(this.maxzoom).canonical,n=t.url(this.tiles,this.map.getPixelRatio(),this.scheme);return{maxZoomTileID:t,overzoomRequest:await this.map._requestManager.transformRequest(n,`Tile`)}}_afterTileLoadWorkerResponse(e,t){if(t?.resourceTiming&&(e.resourceTiming=t.resourceTiming),t&&this.map._refreshExpiredTiles&&e.setExpiryData(t),e.etag=t?.etag,e.loadVectorData(t,this.map.painter),e.reloadPromise){let t=e.reloadPromise;e.reloadPromise=null,this.loadTile(e).then(t.resolve).catch(t.reject)}}async abortTile(e){e.abortController&&(e.abortController.abort(),delete e.abortController),e.actor&&await e.actor.sendAsync({type:`AT`,data:{uid:e.uid,type:this.type,source:this.id}})}async unloadTile(e){e.unloadVectorData(),e.actor&&await e.actor.sendAsync({type:`RMT`,data:{uid:e.uid,type:this.type,source:this.id}})}hasTransition(){return!1}},ba=class extends h{constructor(e,t,n,r){super(),this.id=e,this.dispatcher=n,this.setEventedParent(r),this.type=`raster`,this.minzoom=0,this.maxzoom=22,this.roundZoom=!0,this.scheme=`xyz`,this.tileSize=512,this._loaded=!1,this._premultiplyAlpha=!0,this._options=z({type:`raster`},t),z(this,hr(t,[`url`,`scheme`,`tileSize`]))}async load(e=!1){this._loaded=!1,this.fire(new K(`dataloading`)),this._tileJSONRequest=new AbortController;try{let t=await ga(this._options,this.map._requestManager,this._tileJSONRequest,this.map._ownerWindow);this._tileJSONRequest=null,this._loaded=!0,t&&(z(this,t),t.bounds&&(this.tileBounds=new va(t.bounds,this.minzoom,this.maxzoom)),this.fire(new K(`data`,{sourceDataType:`metadata`})),this.fire(new K(`data`,{sourceDataType:`content`,sourceDataChanged:e})))}catch(e){this._tileJSONRequest=null,this._loaded=!0,xe(e)||this.fire(new H(qn(e)))}}loaded(){return this._loaded}onAdd(e){this.map=e,this.load()}onRemove(){this._tileJSONRequest&&=(this._tileJSONRequest.abort(),null)}setSourceProperty(e){this._tileJSONRequest&&=(this._tileJSONRequest.abort(),null),e(),this.load(!0)}setTiles(e){return this.setSourceProperty(()=>{this._options.tiles=e}),this}setUrl(e){return this.setSourceProperty(()=>{this.url=e,this._options.url=e}),this}serialize(){return z({},this._options)}setPremultiplyAlpha(e){return this._premultiplyAlpha===e||this.setSourceProperty(()=>{this._premultiplyAlpha=e}),this}hasTile(e){return!this.tileBounds||this.tileBounds.contains(e.canonical)}async loadTile(e){let t=e.tileID.canonical.url(this.tiles,this.map.getPixelRatio(),this.scheme),n=this._premultiplyAlpha,r=n?void 0:{premultiplyAlpha:`none`};e.abortController=new AbortController;try{let i=await Ur.transformAndGetImage(this.map._requestManager,t,`Tile`,e.abortController,this.map._refreshExpiredTiles,r);if(delete e.abortController,e.aborted){e.state=`unloaded`;return}if(i?.data){this.map._refreshExpiredTiles&&(i.cacheControl||i.expires)&&e.setExpiryData({cacheControl:i.cacheControl,expires:i.expires});let t=this.map.painter.context,r=t.gl,a=i.data;e.texture=this.map.painter.getTileTexture(a.width),e.texture?e.texture.update(a,{useMipmap:!0,premultiply:n}):(e.texture=new _(t,a,r.RGBA,{useMipmap:!0,premultiply:n}),e.texture.bind(r.LINEAR,r.CLAMP_TO_EDGE,r.LINEAR_MIPMAP_NEAREST)),e.state=`loaded`}}catch(t){if(delete e.abortController,e.aborted)e.state=`unloaded`;else if(t)throw e.state=`errored`,t}}async abortTile(e){e.abortController&&(e.abortController.abort(),delete e.abortController)}async unloadTile(e){e.texture&&this.map.painter.saveTileTexture(e.texture)}hasTransition(){return!1}},xa=class extends ba{constructor(e,t,n,r){super(e,t,n,r),this.type=`raster-dem`,this.maxzoom=22,this._options=z({type:`raster-dem`},t),this.encoding=t.encoding||`mapbox`,this.redFactor=t.redFactor,this.greenFactor=t.greenFactor,this.blueFactor=t.blueFactor,this.baseShift=t.baseShift}async loadTile(e){let t=e.tileID.canonical.url(this.tiles,this.map.getPixelRatio(),this.scheme);e.neighboringTiles=this._getNeighboringTiles(e.tileID),e.abortController=new AbortController;try{let n=await Ur.transformAndGetImage(this.map._requestManager,t,`Tile`,e.abortController,this.map._refreshExpiredTiles,{colorSpaceConversion:`none`});if(delete e.abortController,e.aborted){e.state=`unloaded`;return}if(n?.data){let t=n.data;this.map._refreshExpiredTiles&&(n.cacheControl||n.expires)&&e.setExpiryData({cacheControl:n.cacheControl,expires:n.expires});let r=zn(t)&&Dr()?t:await this.readImageNow(t),i={type:this.type,uid:e.uid,source:this.id,rawImageData:r,encoding:this.encoding,redFactor:this.redFactor,greenFactor:this.greenFactor,blueFactor:this.blueFactor,baseShift:this.baseShift};if(e.actor&&e.state!==`expired`&&e.state!==`reloading`)return;await this.dispatcher.waitForInitComplete(),(!e.actor||e.state===`expired`)&&(e.actor=this.dispatcher.getReadyActor()),e.dem=await e.actor.sendAsync({type:`LDT`,data:i}),e.needsHillshadePrepare=!0,e.needsTerrainPrepare=!0,e.needsColorReliefPrepare=!0,e.state=`loaded`}}catch(t){if(delete e.abortController,e.aborted)e.state=`unloaded`;else if(t)throw e.state=`errored`,t}}async readImageNow(e){if(typeof VideoFrame<`u`&&Ge()){let t=e.width+2,n=e.height+2;try{return new xn({width:t,height:n},await Fe(e,-1,-1,t,n))}catch{}}return Rr.getImageData(e,1)}_getNeighboringTiles(e){let t=e.canonical,n=2**t.z,r=(t.x-1+n)%n,i=t.x===0?e.wrap-1:e.wrap,a=(t.x+1+n)%n,o=t.x+1===n?e.wrap+1:e.wrap,s={};return s[new $t(e.overscaledZ,i,t.z,r,t.y).key]={backfilled:!1},s[new $t(e.overscaledZ,o,t.z,a,t.y).key]={backfilled:!1},t.y>0&&(s[new $t(e.overscaledZ,i,t.z,r,t.y-1).key]={backfilled:!1},s[new $t(e.overscaledZ,e.wrap,t.z,t.x,t.y-1).key]={backfilled:!1},s[new $t(e.overscaledZ,o,t.z,a,t.y-1).key]={backfilled:!1}),t.y+10||n.addOrUpdateProperties?.length>0;if(!i&&!a)continue;r.push(t.geometry);let o={...t};if(e.set(n.id,o),i&&(r.push(n.newGeometry),o.geometry=n.newGeometry),a){if(o.properties=n.removeAllProperties?{}:{...o.properties||{}},n.removeProperties)for(let e of n.removeProperties)delete o.properties[e];if(n.addOrUpdateProperties)for(let{key:e,value:t}of n.addOrUpdateProperties)o.properties[e]=t}}return r}function Ta(e,t,n){if(!e)return t||{};if(!t)return e||{};n&&(Oa(e.add,n),Oa(t.add,n));let r=Aa(e),i=Aa(t);Ea(r,i);let a={};if((r.removeAll||i.removeAll)&&(a.removeAll=!0),a.remove=new Set([...r.remove,...i.remove]),a.add=new Map([...r.add,...i.add]),a.update=new Map([...r.update,...i.update]),a.remove.size&&a.add.size)for(let e of a.add.keys())a.remove.delete(e);let o=ja(a);return n&&ka(o.add,n),o}function Ea(e,t){t.removeAll&&(e.add.clear(),e.update.clear(),e.remove.clear(),t.remove.clear());for(let n of t.remove)e.add.delete(n),e.update.delete(n);for(let[n,r]of t.update){let i=e.update.get(n);i&&(t.update.set(n,Da(i,r)),e.update.delete(n))}}function Da(e,t){let n={id:e.id};if(t.removeAllProperties&&(delete e.removeProperties,delete e.addOrUpdateProperties,delete t.removeProperties),t.removeProperties)for(let n of t.removeProperties){let t=e.addOrUpdateProperties.findIndex(e=>e.key===n);t>-1&&e.addOrUpdateProperties.splice(t,1)}return(e.removeAllProperties||t.removeAllProperties)&&(n.removeAllProperties=!0),(e.removeProperties||t.removeProperties)&&(n.removeProperties=[...e.removeProperties||[],...t.removeProperties||[]]),(e.addOrUpdateProperties||t.addOrUpdateProperties)&&(n.addOrUpdateProperties=[...e.addOrUpdateProperties||[],...t.addOrUpdateProperties||[]]),(e.newGeometry||t.newGeometry)&&(n.newGeometry=t.newGeometry||e.newGeometry),n}function Oa(e,t){if(e)for(let n of e){let e=Sa(n,t);e!=null&&(n.id=e)}}function ka(e,t){if(e)for(let n of e)Sa(n,t)!=null&&delete n.id}function Aa(e){if(!e)return{};let t={};return t.removeAll=e.removeAll,t.remove=new Set(e.remove||[]),t.add=new Map(e.add?.map(e=>[e.id,e])),t.update=new Map(e.update?.map(e=>[e.id,e])),t}function ja(e){let t={};return e.removeAll&&(t.removeAll=e.removeAll),e.remove&&(t.remove=Array.from(e.remove)),e.add&&(t.add=Array.from(e.add.values())),e.update&&(t.update=Array.from(e.update.values())),t}function Ma(e){return!e||e.length===0?[]:typeof e[0]==`number`?[e]:e.flatMap(e=>Ma(e))}function Na(e){return e.type===`GeometryCollection`?e.geometries.flatMap(e=>Na(e)):Ma(e.coordinates)}function Pa(e){let t=new _a,n;switch(e.type){case`FeatureCollection`:n=e.features.flatMap(e=>Na(e.geometry));break;case`Feature`:n=Na(e.geometry);break;default:n=Na(e)}if(n.length===0)return t;for(let e of n){let[n,r]=e;t.extend([n,r])}return t}function Fa({x:e,y:t,z:n},r=0){let i=In((e-r)/2**n),a=Mt((t+1+r)/2**n),o=In((e+1+r)/2**n),s=Mt((t-r)/2**n);return new _a([i,a],[o,s])}var Ia=class extends h{constructor(e,t,n,r){super(),this.id=e,this.type=`geojson`,this.minzoom=0,this.maxzoom=18,this.tileSize=512,this.isTileClipped=!0,this.reparseOverscaled=!0,this._removed=!1,this._isUpdatingWorker=!1,this._pendingWorkerUpdate={data:t.data},this.actorPromise=n.getActor(),this.setEventedParent(r),this._data=typeof t.data==`string`?{url:t.data}:{geojson:t.data},this._options=z({},t),this._collectResourceTiming=t.collectResourceTiming,t.maxzoom!==void 0&&(this.maxzoom=t.maxzoom),t.type&&(this.type=t.type),t.attribution&&(this.attribution=t.attribution),this.promoteId=t.promoteId,t.clusterMaxZoom!==void 0&&this.maxzoom<=t.clusterMaxZoom&&I(`The maxzoom value "${this.maxzoom}" is expected to be greater than the clusterMaxZoom value "${t.clusterMaxZoom}".`),this.workerOptions=z({source:this.id,geojsonVtOptions:{buffer:this._pixelsToTileUnits(t.buffer===void 0?128:t.buffer),tolerance:this._pixelsToTileUnits(t.tolerance===void 0?.375:t.tolerance),extent:N,maxZoom:this.maxzoom,lineMetrics:t.lineMetrics||!1,generateId:t.generateId||!1,promoteId:typeof t.promoteId==`string`?t.promoteId:void 0,cluster:t.cluster||!1,clusterOptions:{maxZoom:this._getClusterMaxZoom(t.clusterMaxZoom),minPoints:Math.max(2,t.clusterMinPoints||2),extent:N,radius:this._pixelsToTileUnits(t.clusterRadius||50),log:!1,generateId:t.generateId||!1}},clusterProperties:t.clusterProperties,filter:t.filter},t.workerOptions)}_hasPendingWorkerUpdate(){return this._pendingWorkerUpdate.data!==void 0||this._pendingWorkerUpdate.diff!==void 0||this._pendingWorkerUpdate.updateCluster}_pixelsToTileUnits(e){return e*(N/this.tileSize)}_tileUnitsToPixels(e){return e/(N/this.tileSize)}_getClusterMaxZoom(e){let t=e?Math.round(e):this.maxzoom-1;return Number.isInteger(e)||e===void 0||I(`Integer expected for option 'clusterMaxZoom': provided value "${e}" rounded to "${t}"`),t}async load(){await this._updateWorkerData()}onAdd(e){this.map=e,this.load()}setData(e){return this._data=typeof e==`string`?{url:e}:{geojson:e},this._pendingWorkerUpdate={data:e},this._updateWorkerData()}updateData(e){return this._pendingWorkerUpdate.diff=Ta(this._pendingWorkerUpdate.diff,e),this._updateWorkerData()}async getData(){return this._data.url&&await this.once(`data`),this._data.geojson?this._data.geojson:{type:`FeatureCollection`,features:Array.from(this._data.updateable.values())}}async getBounds(){return Pa(await this.getData())}setClusterOptions(e){return this.workerOptions.geojsonVtOptions.cluster=e.cluster,e.clusterRadius!==void 0&&(this.workerOptions.geojsonVtOptions.clusterOptions.radius=this._pixelsToTileUnits(e.clusterRadius)),e.clusterMaxZoom!==void 0&&(this.workerOptions.geojsonVtOptions.clusterOptions.maxZoom=this._getClusterMaxZoom(e.clusterMaxZoom)),this._pendingWorkerUpdate.updateCluster=!0,this._updateWorkerData()}getClusterOptions(){let{cluster:e,clusterOptions:t}=this.workerOptions.geojsonVtOptions;return{cluster:e,clusterMaxZoom:t.maxZoom,clusterRadius:this._tileUnitsToPixels(t.radius)}}async getClusterExpansionZoom(e){return(await this.actorPromise).sendAsync({type:`GCEZ`,data:{type:this.type,clusterId:e,source:this.id}})}async getClusterChildren(e){return(await this.actorPromise).sendAsync({type:`GCC`,data:{type:this.type,clusterId:e,source:this.id}})}async getClusterLeaves(e,t,n){return(await this.actorPromise).sendAsync({type:`GCL`,data:{type:this.type,source:this.id,clusterId:e,limit:t,offset:n}})}async _updateWorkerData(){if(this._isUpdatingWorker)return this._updatePromise;if(!this._hasPendingWorkerUpdate()){I(`No pending worker updates for GeoJSONSource ${this.id}.`);return}let{data:e,diff:t,updateCluster:n}=this._pendingWorkerUpdate,r=this._getLoadGeoJSONParameters(e,t,n);e===void 0?t?this._pendingWorkerUpdate.diff=void 0:n&&(this._pendingWorkerUpdate.updateCluster=void 0):this._pendingWorkerUpdate.data=void 0,this._updatePromise=this._dispatchWorkerUpdate(r),await this._updatePromise}async _getLoadGeoJSONParameters(e,t,n){let r=z({type:this.type,source:this.id},this.workerOptions);if(typeof e==`string`)return r.request=await this.map._requestManager.transformRequest(Rr.resolveURL(e),`Source`),r.request.collectResourceTiming=this._collectResourceTiming,r;if(e!==void 0)return r.data=e,r;if(t)return r.dataDiff=t,r;if(n)return r.updateCluster=!0,r}async _dispatchWorkerUpdate(e){this._isUpdatingWorker=!0,this.fire(new K(`dataloading`));try{let t=await e,n=await(await this.actorPromise).sendAsync({type:`LD`,data:t});if(this._isUpdatingWorker=!1,this._removed||n.abandoned){this.fire(new K(`dataabort`));return}n.data&&(this._data={geojson:n.data});let r=this._applyDiffToSource(t.dataDiff),i=this._getShouldReloadTileOptions(r),a={};this._applyResourceTiming(a,n),this.fire(new K(`data`,{...a,sourceDataType:`metadata`})),this.fire(new K(`data`,{...a,sourceDataType:`content`,shouldReloadTileOptions:i}))}catch(e){if(this._isUpdatingWorker=!1,this._removed){this.fire(new K(`dataabort`));return}this.fire(new H(qn(e)))}finally{this._hasPendingWorkerUpdate()&&await this._updateWorkerData()}}_applyResourceTiming(e,t){if(!this._collectResourceTiming)return;let n=t.resourceTiming?.[this.id];if(!n)return;let r=n.slice(0);r?.length&&z(e,{resourceTiming:r})}_applyDiffToSource(e){if(!e)return;let t=typeof this.promoteId==`string`?this.promoteId:void 0;if(!this._data.url&&!this._data.updateable){let e=Ca(this._data.geojson,t);if(!e)throw Error(`GeoJSONSource "${this.id}": GeoJSON data is not compatible with updateData`);this._data={updateable:e}}if(!this._data.updateable)return;let n=wa(this._data.updateable,e,t);if(!(e.removeAll||this._options.cluster))return n}_getShouldReloadTileOptions(e){if(e)return{affectedBounds:e.filter(Boolean).map(e=>Pa(e))}}shouldReloadTile(e,{affectedBounds:t}){if(e.state===`loading`)return!0;if(e.state===`unloaded`)return!1;let{buffer:n,extent:r}=this.workerOptions.geojsonVtOptions,i=Fa(e.tileID.canonical,n/r);for(let e of t)if(i.intersects(e))return!0;return!1}loaded(){return!this._isUpdatingWorker&&!this._hasPendingWorkerUpdate()}async loadTile(e){let t=e.actor?`RT`:`LT`;e.actor=await this.actorPromise;let n={type:this.type,uid:e.uid,tileID:e.tileID,zoom:e.tileID.overscaledZ,maxZoom:this.maxzoom,tileSize:this.tileSize,source:this.id,pixelRatio:this.map.getPixelRatio(),showCollisionBoxes:this.map.showCollisionBoxes,promoteId:this.promoteId,subdivisionGranularity:this.map.style.projection.subdivisionGranularity};e.abortController=new AbortController;try{let r=await(await this.actorPromise).sendAsync({type:t,data:n},e.abortController);delete e.abortController,e.unloadVectorData(),e.aborted||e.loadVectorData(r,this.map.painter,t===`RT`)}catch(t){if(delete e.abortController,e.aborted||xe(t))return;throw t}}async abortTile(e){e.abortController&&(e.abortController.abort(),delete e.abortController),e.aborted=!0}async unloadTile(e){e.unloadVectorData(),await(await this.actorPromise).sendAsync({type:`RMT`,data:{uid:e.uid,type:this.type,source:this.id}})}onRemove(){this._removed=!0,this.actorPromise.then(e=>e.sendAsync({type:`RS`,data:{type:this.type,source:this.id}}))}serialize(){return z({},this._options,{type:this.type,data:this._data.updateable?{type:`FeatureCollection`,features:Array.from(this._data.updateable.values())}:this._data.url||this._data.geojson})}hasTransition(){return!1}};const La=[0,0,1],Ra=(e,t)=>({u_tl_parent:new j(e,t.u_tl_parent),u_scale_parent:new P(e,t.u_scale_parent),u_buffer_scale:new P(e,t.u_buffer_scale),u_image_warp:new ue(e,t.u_image_warp),u_fade_t:new P(e,t.u_fade_t),u_opacity:new P(e,t.u_opacity),u_image0:new F(e,t.u_image0),u_image1:new F(e,t.u_image1),u_brightness_low:new P(e,t.u_brightness_low),u_brightness_high:new P(e,t.u_brightness_high),u_saturation_factor:new P(e,t.u_saturation_factor),u_contrast_factor:new P(e,t.u_contrast_factor),u_spin_weights:new ue(e,t.u_spin_weights),u_coords_top:new Ce(e,t.u_coords_top),u_coords_bottom:new Ce(e,t.u_coords_bottom)}),za=(e,t,n,r,i,a)=>({u_tl_parent:e,u_scale_parent:t,u_buffer_scale:1,u_image_warp:a,u_fade_t:n.mix,u_opacity:n.opacity*r.paint.get(`raster-opacity`),u_image0:0,u_image1:1,u_brightness_low:r.paint.get(`raster-brightness-min`),u_brightness_high:r.paint.get(`raster-brightness-max`),u_saturation_factor:Ha(r.paint.get(`raster-saturation`)),u_contrast_factor:Va(r.paint.get(`raster-contrast`)),u_spin_weights:Ba(r.paint.get(`raster-hue-rotate`)),u_coords_top:[i[0].x,i[0].y,i[1].x,i[1].y],u_coords_bottom:[i[3].x,i[3].y,i[2].x,i[2].y]});function Ba(e){e*=Math.PI/180;let t=Math.sin(e),n=Math.cos(e);return[(2*n+1)/3,(-Math.sqrt(3)*t-n+1)/3,(Math.sqrt(3)*t-n+1)/3]}function Va(e){return e>0?1/(1-e):1+e}function Ha(e){return e>0?1-1/(1.001-e):-e}var Ua=class{constructor(e,t,n){this.vertexBuffer=e,this.indexBuffer=t,this.segments=n}destroy(){this.vertexBuffer.destroy(),this.indexBuffer.destroy(),this.segments.destroy(),this.vertexBuffer=null,this.indexBuffer=null,this.segments=null}};const Wa=wt([{name:`a_pos`,type:`Int16`,components:2}]),Ga=N/128;function Ka(e,t){let n=qa(t,`16bit`),r=Un.deserialize({arrayBuffer:n.vertices,length:n.vertices.byteLength/2/2}),i=gt.deserialize({arrayBuffer:n.indices,length:n.indices.byteLength/2/3});return new Ua(e.createVertexBuffer(r,Wa.members),e.createIndexBuffer(i),ae.simpleSegment(0,0,r.length,i.length))}function qa(e,t){let n=e.granularity===void 0?1:Math.max(e.granularity,1),r=n+(e.generateBorders?2:0),i=n+(e.extendToNorthPole||e.generateBorders?1:0)+(e.extendToSouthPole||e.generateBorders?1:0),a=r+1,o=i+1,s=e.generateBorders?-1:0,c=e.generateBorders||e.extendToNorthPole?-1:0,l=n+ +!!e.generateBorders,u=n+(e.generateBorders||e.extendToSouthPole?1:0),d=a*o,f=r*i*6,p=a*o>65536;if(p&&t===`16bit`)throw Error(`Granularity is too large and meshes would not fit inside 16 bit vertex indices.`);let m=p||t===`32bit`,h=new Int16Array(d*2),g=0;for(let t=c;t<=u;t++)for(let r=s;r<=l;r++){let i=r/n*N;r===-1&&(i=-Ga),r===n+1&&(i=N+Ga);let a=t/n*N;t===-1&&(a=e.extendToNorthPole?Ot:-Ga),t===n+1&&(a=e.extendToSouthPole?dr:N+Ga),h[g++]=i,h[g++]=a}let _=m?new Uint32Array(f):new Uint16Array(f),v=0;for(let e=0;ethis.tileID.getTilePoint(e)._round()),this.imageWarp=Za(this.tileCoords,this._warp),this._subdividedQuad=this.imageWarp[2]>0&&!$a(this.tileCoords),this.flippedWindingOrder=Xa(this.tileCoords),this.fire(new K(`data`,{sourceDataType:`content`})),this}prepare(){if(Object.keys(this.tiles).length===0||!this.image)return;let e=this.map.painter.context,t=e.gl;this.texture?this._imageDirty&&(this.texture.update(this.image),this.texture.bind(t.LINEAR,t.CLAMP_TO_EDGE)):(this.texture=new _(e,this.image,t.RGBA),this.texture.bind(t.LINEAR,t.CLAMP_TO_EDGE)),this._imageDirty=!1;let n=!1;for(let e in this.tiles){let t=this.tiles[e];t.state!==`loaded`&&(t.state=`loaded`,t.texture=this.texture,n=!0)}n&&this.fire(new K(`data`,{sourceDataType:`idle`,sourceId:this.id}))}async loadTile(e){this.tileID?.equals(e.tileID.canonical)?(this.tiles[String(e.tileID.wrap)]=e,e.buckets={}):e.state=`errored`}serialize(){let e={type:`image`,coordinates:this.coordinates};return this.options.url!==void 0&&(e.url=this.options.url),e}hasTransition(){return!1}_getOverlappingTileRanges(e){let{minX:t,minY:n,maxX:r,maxY:i}=On.fromPoints(e),a={};for(let e=0;e<=25;e++){let o=2**e,s=Math.floor(t*o),c=Math.floor(n*o),l=Math.floor(r*o),u=Math.floor(i*o),d=(s%o+o)%o,f=l%o,p=Math.floor(s/o),m=Math.floor(l/o);a[e]={minWrap:p,maxWrap:m,minTileXWrapped:d,maxTileXWrapped:f,minTileY:c,maxTileY:u}}return a}};function Ya(e){let t=On.fromPoints(e),n=t.width(),r=t.height(),i=Math.max(0,Math.floor(-Math.log(Math.max(n,r))/Math.LN2)),a=2**i;return new rn(i,Math.floor((t.minX+t.maxX)/2*a),Math.floor((t.minY+t.maxY)/2*a))}function Xa(e){let t=e[1].x-e[0].x,n=e[1].y-e[0].y,r=e[2].x-e[0].x;return t*(e[2].y-e[0].y)-n*r<0}function Za(e,t){if(t===`flat`||$a(e))return La;let[n,r,i,a]=e,o=n.x-r.x+i.x-a.x,s=n.y-r.y+i.y-a.y,c=[r.x-i.x,r.y-i.y,a.x-i.x,a.y-i.y],[l,u,d,f]=c,p=Nr(c),m=(o*f-d*s)/p,h=(l*s-o*u)/p,g=[1,1+m,1+m+h,1+h],_=Math.max(...g)/Math.min(...g),v=t===`perspective`?0:Qa(_);return!(_>=1&&_<=512)||v>=1?La:[m,h,v]}function Qa(e){let t=(1-4/e)/(1-4/512);return Math.max(0,t)}function $a(e){let[t,n,r,i]=e;return t.x+r.x===n.x+i.x&&t.y+r.y===n.y+i.y}var eo=class extends Ja{constructor(e,t,n,r){super(e,t,n,r),this._onPlayingHandler=()=>{this.map?.triggerRepaint()},this.roundZoom=!0,this.type=`video`,this.options=t}async load(){this._loaded=!1;let e=this.options;this.urls=[];for(let t of e.urls)this.urls.push((await this.map._requestManager.transformRequest(t,`Source`)).url);try{let e=await yn(this.urls);if(this._loaded=!0,!e)return;this.video=e,this.video.loop=!0,this.video.addEventListener(`playing`,this._onPlayingHandler),this.map&&this.video.play(),this._finishLoading()}catch(e){this.fire(new H(qn(e)))}}pause(){this.video&&this.video.pause()}play(){this.video&&this.video.play()}seek(e){if(this.video){let t=this.video.seekable;et.end(0)?this.fire(new H(new lr(`sources.${this.id}`,null,`Playback for this video can be set only between the ${t.start(0)} and ${t.end(0)}-second mark.`))):this.video.currentTime=e}}getVideo(){return this.video}onAdd(e){this.map||(this.map=e,this.load(),this.video&&(this.video.play(),this.setCoordinates(this.coordinates)))}onRemove(){super.onRemove(),this.video&&(this.video.removeEventListener(`playing`,this._onPlayingHandler),this.video.pause())}prepare(){if(Object.keys(this.tiles).length===0||this.video.readyState<2)return;let e=this.map.painter.context,t=e.gl;this.texture?this.video.paused||(this.texture.bind(t.LINEAR,t.CLAMP_TO_EDGE),t.texSubImage2D(t.TEXTURE_2D,0,0,0,t.RGBA,t.UNSIGNED_BYTE,this.video)):(this.texture=new _(e,this.video,t.RGBA),this.texture.bind(t.LINEAR,t.CLAMP_TO_EDGE));let n=!1;for(let e in this.tiles){let t=this.tiles[e];t.state!==`loaded`&&(t.state=`loaded`,t.texture=this.texture,n=!0)}n&&this.fire(new K(`data`,{sourceDataType:`idle`,sourceId:this.id}))}serialize(){return{type:`video`,urls:this.urls,coordinates:this.coordinates}}hasTransition(){return this.video&&!this.video.paused}},to=class extends Ja{constructor(e,t,n,r){super(e,t,n,r),t.coordinates?(!Array.isArray(t.coordinates)||t.coordinates.length!==4||t.coordinates.some(e=>!Array.isArray(e)||e.length!==2||e.some(e=>typeof e!=`number`)))&&this.fire(new H(new lr(`sources.${e}`,null,`"coordinates" property must be an array of 4 longitude/latitude array pairs`))):this.fire(new H(new lr(`sources.${e}`,null,`missing required property "coordinates"`))),t.animate&&typeof t.animate!=`boolean`&&this.fire(new H(new lr(`sources.${e}`,null,`optional "animate" property must be a boolean value`))),t.canvas?typeof t.canvas!=`string`&&!(t.canvas instanceof HTMLCanvasElement)&&this.fire(new H(new lr(`sources.${e}`,null,`"canvas" must be either a string representing the ID of the canvas element from which to read, or an HTMLCanvasElement instance`))):this.fire(new H(new lr(`sources.${e}`,null,`missing required property "canvas"`))),this.options=t,this.animate=t.animate===void 0||t.animate}async load(){if(this._loaded=!0,this.canvas||=this.options.canvas instanceof HTMLCanvasElement?this.options.canvas:document.getElementById(this.options.canvas),this.width=this.canvas.width,this.height=this.canvas.height,this._hasInvalidDimensions()){this.fire(new H(Error(`Canvas dimensions cannot be less than or equal to zero.`)));return}this.play=function(){this._playing=!0,this.map.triggerRepaint()},this.pause=function(){this._playing&&=(this.prepare(),!1)},this._finishLoading()}getCanvas(){return this.canvas}onAdd(e){this.map=e,this.load(),this.canvas&&this.animate&&this.play()}onRemove(){this._playing=!1,super.onRemove()}prepare(){let e=!1;if(this.canvas.width!==this.width&&(this.width=this.canvas.width,e=!0),this.canvas.height!==this.height&&(this.height=this.canvas.height,e=!0),this._hasInvalidDimensions()||Object.keys(this.tiles).length===0)return;let t=this.map.painter.context,n=t.gl;this.texture?(e||this._playing)&&this.texture.update(this.canvas,{premultiply:!0}):(this.texture=new _(t,this.canvas,n.RGBA,{premultiply:!0}),this.texture.bind(n.LINEAR,n.CLAMP_TO_EDGE));let r=!1;for(let e in this.tiles){let t=this.tiles[e];t.state!==`loaded`&&(t.state=`loaded`,t.texture=this.texture,r=!0)}r&&this.fire(new K(`data`,{sourceDataType:`idle`,sourceId:this.id}))}serialize(){return{type:`canvas`,animate:this.animate,canvas:this.options.canvas,coordinates:this.coordinates}}hasTransition(){return this._playing}_hasInvalidDimensions(){for(let e of[this.canvas.width,this.canvas.height])if(isNaN(e)||e<=0)return!0;return!1}};const no={},ro=(e,t,n,r)=>{let i=new(io(t.type))(e,t,n,r);if(i.id!==e)throw Error(`Expected Source id to be ${e} instead of ${i.id}`);return i},io=e=>{switch(e){case`geojson`:return Ia;case`image`:return Ja;case`raster`:return ba;case`raster-dem`:return xa;case`vector`:return ya;case`video`:return eo;case`canvas`:return to}return no[e]},ao=(e,t)=>{no[e]=t},oo=async(e,t)=>{if(io(e))throw Error(`A source type called "${e}" already exists.`);ao(e,t)};function so(e,t){let n={};if(!t)return n;for(let r of e){let e=r.layerIds.map(e=>t.getLayer(e)).filter(Boolean);if(e.length!==0){r.layers=e,r.stateDependentLayerIds&&(r.stateDependentLayers=r.stateDependentLayerIds.map(t=>e.filter(e=>e.id===t)[0]));for(let t of e)n[t.id]=r}}return n}const co=`RTLPluginLoaded`;var lo=class extends h{constructor(...e){super(...e),this.status=`unavailable`,this.url=null,this.dispatcher=aa()}_syncState(e){return this.status=e,this.dispatcher.broadcast(`SRPS`,{pluginStatus:e,pluginURL:this.url}).catch(e=>{throw this.status=`error`,e})}getRTLTextPluginStatus(){return this.status}clearRTLTextPlugin(){this.status=`unavailable`,this.url=null}async setRTLTextPlugin(e,t=!1){if(this.url)throw Error(`setRTLTextPlugin cannot be called multiple times.`);if(this.url=Rr.resolveURL(e),!this.url)throw Error(`requested url ${e} is invalid`);if(this.status===`unavailable`){if(t)this.status=`deferred`,this._syncState(this.status);else return this._requestImport()}else if(this.status===`requested`)return this._requestImport()}async _requestImport(){await this._syncState(`loading`),this.status=`loaded`,this.fire(new Xe(co))}lazyLoad(){this.status===`unavailable`?this.status=`requested`:this.status===`deferred`&&this._requestImport()}};let uo=null;function fo(){return uo||=new lo,uo}var po=class{constructor(e,t){this.timeAdded=0,this.fadeEndTime=0,this.fadeOpacity=1,this.tileID=e,this.uid=Se(),this.uses=0,this.tileSize=t,this.buckets={},this.expirationTime=null,this.queryPadding=0,this.hasSymbolBuckets=!1,this.hasRTLText=!1,this.dependencies={},this.rttObjects=[],this.rttFingerprint={},this.expiredRequestCount=0,this.state=`loading`,this.featureStateRevision=-1}isRenderable(e){return this.hasData()&&(!this.fadeEndTime||this.fadeOpacity>0)&&(e||!this.holdingForSymbolFade())}setCrossFadeLogic({fadingRole:e,fadingDirection:t,fadingParentID:n,fadeEndTime:r}){this.resetFadeLogic(),this.fadingRole=e,this.fadingDirection=t,this.fadingParentID=n,this.fadeEndTime=r}setSelfFadeLogic(e){this.resetFadeLogic(),this.selfFading=!0,this.fadeEndTime=e}resetFadeLogic(){this.fadingRole=null,this.fadingDirection=null,this.fadingParentID=null,this.selfFading=!1,this.timeAdded=U(),this.fadeEndTime=0,this.fadeOpacity=1}wasRequested(){return this.state===`errored`||this.state===`loaded`||this.state===`reloading`}clearTextures(e){this.demTexture&&e.saveTileTexture(this.demTexture),this.demTexture=null}getRTT(e){return this.rttObjects[e]}acquireRTT(e,t,n){return this.rttObjects[t]=e.acquireRTT(n)}releaseRTT(e){if(this.rttObjects.length!==0){for(let t of this.rttObjects)t&&e.releaseRTT(t);this.rttObjects.length=0}}loadVectorData(e,t,n){if(e?.etagUnmodified===!0){this.state=`loaded`;return}if(this.hasData()&&this.unloadVectorData(),this.state=`loaded`,!e){this.collisionBoxArray=new ot;return}e.featureIndex&&(this.latestFeatureIndex=e.featureIndex,e.rawTileData?(this.latestRawTileData=e.rawTileData,this.latestEncoding=e.encoding,this.latestFeatureIndex.rawTileData=e.rawTileData,this.latestFeatureIndex.encoding=e.encoding):this.latestRawTileData&&(this.latestFeatureIndex.rawTileData=this.latestRawTileData,this.latestFeatureIndex.encoding=this.latestEncoding)),this.collisionBoxArray=e.collisionBoxArray,this.buckets=so(e.buckets,t?.style),this.hasSymbolBuckets=!1;for(let e in this.buckets){let t=this.buckets[e];if(t instanceof v){if(this.hasSymbolBuckets=!0,n)t.justReloaded=!0;else break}}if(this.hasRTLText=!1,this.hasSymbolBuckets)for(let e in this.buckets){let t=this.buckets[e];if(t instanceof v&&t.hasRTLText){this.hasRTLText=!0,fo().lazyLoad();break}}this.queryPadding=0;for(let e in this.buckets){let n=this.buckets[e];this.queryPadding=Math.max(this.queryPadding,t.style.getLayer(e).queryRadius(n))}e.imageAtlas&&(this.imageAtlas=e.imageAtlas),e.glyphAtlasImage&&(this.glyphAtlasImage=e.glyphAtlasImage),this.dashPositions=e.dashPositions}unloadVectorData(){for(let e in this.buckets)this.buckets[e].destroy();this.buckets={},this.imageAtlasTexture&&this.imageAtlasTexture.destroy(),this.glyphAtlasTexture&&this.glyphAtlasTexture.destroy(),this.imageAtlas=null,this.dashPositions=null,this.latestFeatureIndex=null,this.state=`unloaded`}getBucket(e){return this.buckets[e.id]}upload(e){for(let t in this.buckets){let n=this.buckets[t];n.uploadPending()&&n.upload(e)}let t=e.gl;this.imageAtlas&&!this.imageAtlas.uploaded&&(this.imageAtlasTexture=new _(e,this.imageAtlas.image,t.RGBA),this.imageAtlas.uploaded=!0),this.glyphAtlasImage&&=(this.glyphAtlasTexture=new _(e,this.glyphAtlasImage,t.ALPHA),null)}prepare(e){this.imageAtlas&&this.imageAtlas.patchUpdatedImages(e,this.imageAtlasTexture)}queryRenderedFeatures(e,t,n,r,i,a,o,s,c,l,u){return this.latestFeatureIndex?.rawTileData?this.latestFeatureIndex.query({queryGeometry:r,cameraQueryGeometry:i,scale:a,tileSize:this.tileSize,pixelPosMatrix:l,transform:s,params:o,queryPadding:this.queryPadding*c,getElevation:u},e,t,n):{}}querySourceFeatures(e,t){let n=this.latestFeatureIndex;if(!n?.rawTileData)return;let r=n.loadVTLayers(),i=t?.sourceLayer?t.sourceLayer:``,a=r._geojsonTileLayer||r[i];if(!a)return;let o=Rn(t?.filter,`querySourceFeatures[${i}].filter`,t?.globalState),{z:s,x:c,y:l}=this.tileID.canonical,u={z:s,x:c,y:l};for(let t=0;te)n=!1;else if(!t)n=!0;else if(this.expirationTime({zoom:0,x:0,y:0,wrap:e,fullyVisible:!1}),b=[],x=[];if(e.renderWorldCopies&&s.allowWorldCopies())for(let e=1;e<=3;e++)b.push(y(-e)),b.push(y(e));for(b.push(y(0));b.length>0;){let p=b.pop(),g=p.x,y=p.y,S=p.fullyVisible,C={x:g,y,z:p.zoom},w=s.getTileBoundingVolume(C,p.wrap,o,t);if(!S){let e=go(n,w,r);if(e===0)continue;S=e===2}let T=s.distanceToTile2d(i.x,i.y,C,w),E=l;c&&(E=(t.calculateTileZoom||yo)(e.zoom+Ee(e.tileSize/t.tileSize),T,_,v,e.fov)),E=(t.roundZoom?Math.round:Math.floor)(E),E=Math.max(0,E);let D=Math.min(E,d);if(p.wrap=s.getWrap(a,C,p.wrap),p.zoom>=D){if(p.zoom>1),r=p.zoom+1;b.push({zoom:r,x:t,y:n,wrap:p.wrap,fullyVisible:S})}}return x.sort((e,t)=>e.distanceSq-t.distanceSq).map(e=>e.tileID)}function Co(e){return e===`raster`||e===`image`||e===`video`}function wo(e,t,n,r,i,a,o){let s=U(),c=or(t);for(let l of t){let t=e.getTileById(l.key);(t.fadingDirection===0||t.fadeOpacity===0)&&t.resetFadeLogic(),!To(e,t,n,s,r,i,o)&&(Eo(e,t,n,s,a,o)||Oo(t,c,s,o)||t.resetFadeLogic())}}function To(e,t,n,r,i,a,o){if(!t.hasData())return!1;let{tileID:s,fadingRole:c,fadingDirection:l,fadingParentID:u}=t;if(c===0&&l===1&&u)return n[u.key]=u,!0;let d=Math.max(s.overscaledZ-i,a);for(let i=s.overscaledZ-1;i>=d;i--){let a=s.scaledTo(i),c=e.getLoadedTile(a);if(c)return t.setCrossFadeLogic({fadingRole:0,fadingDirection:1,fadingParentID:c.tileID,fadeEndTime:r+o}),c.setCrossFadeLogic({fadingRole:1,fadingDirection:0,fadeEndTime:r+o}),n[a.key]=a,!0}return!1}function Eo(e,t,n,r,i,a){if(!t.hasData())return!1;let o=t.tileID.children(i),s=Do(e,t,o,n,r,i,a);if(s)return!0;for(let c of o)Do(e,t,c.children(i),n,r,i,a)&&(s=!0);return s}function Do(e,t,n,r,i,a,o){if(n[0].overscaledZ>=a)return!1;let s=!1;for(let a of n){let n=e.getLoadedTile(a);if(!n)continue;let{fadingRole:c,fadingDirection:l,fadingParentID:u}=n;(c!==0||l!==0||!u)&&(n.setCrossFadeLogic({fadingRole:0,fadingDirection:0,fadingParentID:t.tileID,fadeEndTime:i+o}),t.setCrossFadeLogic({fadingRole:1,fadingDirection:1,fadeEndTime:i+o})),r[a.key]=a,s=!0}return s}function Oo(e,t,n,r){let i=e.tileID;if(e.selfFading)return!0;if(e.hasData())return!1;if(t.has(i)){let t=n+r;return e.setSelfFadeLogic(t),!0}return!1}function ko(e,t){if(t<=0)return!1;let n=U();for(let t of e.getAllTiles())if(t.fadeEndTime>=n)return!0;return!1}function Ao(e,t){let n=t.getRenderableIds();for(let r of n){if(!e.neighboringTiles?.[r])continue;let n=t.getTileById(r);e.neighboringTiles[r].backfilled||jo(e,n),!n.neighboringTiles?.[e.tileID.key]?.backfilled&&jo(n,e)}}function jo(e,t){e.needsHillshadePrepare=!0,e.needsTerrainPrepare=!0,e.needsColorReliefPrepare=!0;let n=t.tileID.canonical.x-e.tileID.canonical.x,r=t.tileID.canonical.y-e.tileID.canonical.y,i=2**e.tileID.canonical.z,a=t.tileID.key;(n!==0||r!==0)&&(Math.abs(r)>1||(Math.abs(n)>1&&(Math.abs(n+i)===1?n+=i:Math.abs(n-i)===1&&(n-=i)),!(!t.dem||!e.dem)&&(e.dem.backfillBorder(t.dem,n,r),e.neighboringTiles?.[a]&&(e.neighboringTiles[a].backfilled=!0))))}var Mo=class{constructor(){this._tiles={}}handleWrapJump(e){let t={};for(let n in this._tiles){let r=this._tiles[n];r.tileID=r.tileID.unwrapTo(r.tileID.wrap+e),t[r.tileID.key]=r}this._tiles=t}setFeatureState(e,t,n){for(let r in this._tiles)this._tiles[r].setFeatureState(e,t,n)}getAllTiles(){return Object.values(this._tiles)}getAllIds(e=!1){return e?Object.values(this._tiles).map(e=>e.tileID).sort(xr).map(e=>e.key):Object.keys(this._tiles)}getTileById(e){return this._tiles[e]}setTile(e,t){this._tiles[e]=t}deleteTileById(e){delete this._tiles[e]}getLoadedTile(e){let t=this.getTileById(e.key);return t?.hasData()?t:null}isIdRenderable(e,t=!1){return this.getTileById(e)?.isRenderable(t)}getRenderableIds(e=0,t){let n=[];for(let e of this.getAllIds())this.isIdRenderable(e,t)&&n.push(this.getTileById(e));return t?n.sort((t,n)=>{let r=t.tileID,i=n.tileID,a=new l(r.canonical.x,r.canonical.y)._rotate(-e),o=new l(i.canonical.x,i.canonical.y)._rotate(-e);return r.overscaledZ-i.overscaledZ||o.y-a.y||o.x-a.x}).map(e=>e.tileID.key):n.map(e=>e.tileID).sort(xr).map(e=>e.key)}},No=class e extends h{static{this.maxUnderzooming=10}static{this.maxOverzooming=3}constructor(e,t,n){super(),this.id=e,this.dispatcher=n,this.on(`data`,e=>{this._dataHandler(e)}),this.on(`dataloading`,()=>{this._sourceErrored=!1}),this.on(`error`,()=>{this._sourceErrored=this._source.loaded()}),this._source=ro(e,t,n,this),this._inViewTiles=new Mo,this._outOfViewCache=new Jn(0,e=>this._unloadTile(e)),this._timers={},this._maxTileCacheSize=null,this._maxTileCacheZoomLevels=null,this._rasterFadeDuration=0,this._maxFadingAncestorLevels=5,this._state=new ho,this._didEmitContent=!1,this._updated=!1}onAdd(e){this.map=e,this._maxTileCacheSize=e?e._maxTileCacheSize:null,this._maxTileCacheZoomLevels=e?e._maxTileCacheZoomLevels:null,this._source?.onAdd&&this._source.onAdd(e)}onRemove(e){for(let e of this._inViewTiles.getAllTiles())e.unloadVectorData();this.clearTiles(),this._source?.onRemove&&this._source.onRemove(e),this._inViewTiles=new Mo}loaded(){if(this._sourceErrored)return!0;if(!this._sourceLoaded||!this._source.loaded())return!1;if((this.used!==void 0||this.usedForTerrain!==void 0)&&!this.used&&!this.usedForTerrain)return!0;if(!this._updated)return!1;for(let e of this._inViewTiles.getAllTiles())if(e.state!==`loaded`&&e.state!==`errored`)return!1;return!0}getSource(){return this._source}getState(){return this._state}pause(){this._paused=!0}resume(){if(!this._paused)return;let e=this._shouldReloadOnResume;this._paused=!1,this._shouldReloadOnResume=!1,e&&this.reload(),this.transform&&this.update(this.transform,this.terrain)}async _loadTile(e,t,n,r){try{let i=await this._source.loadTile(e);this._tileLoaded(e,t,n,r,i)}catch(t){e.state=`errored`,t.status===404?this.update(this.transform,this.terrain):this._source.fire(new H(qn(t),{tile:e}))}}_unloadTile(e){this._source.unloadTile&&this._source.unloadTile(e)}_abortTile(e){this._source.abortTile&&this._source.abortTile(e),this._source.fire(new K(`dataabort`,{tile:e,coord:e.tileID}))}serialize(){return this._source.serialize()}prepare(e){this._source.prepare&&this._source.prepare(),this._state.coalesceChanges(this._inViewTiles,this.map?this.map.painter:null);for(let t of this._inViewTiles.getAllTiles())t.upload(e),t.prepare(this.map.style.imageManager)}getIds(){return this._inViewTiles.getAllIds(!0)}getRenderableIds(e){return this._inViewTiles.getRenderableIds(this.transform?.bearingInRadians,e)}hasRenderableParent(e){let t=e.overscaledZ-1;if(t>=this._source.minzoom){let n=this.getLoadedTile(e.scaledTo(t));if(n)return this._inViewTiles.isIdRenderable(n.tileID.key)}return!1}reload(e,t=void 0){if(this._paused){this._shouldReloadOnResume=!0;return}this._outOfViewCache.reset();for(let n of this._inViewTiles.getAllIds()){let r=this._inViewTiles.getTileById(n);t&&!this._source.shouldReloadTile(r,t)||(e?this._reloadTile(n,r.state===`errored`?`loading`:`expired`):r.state!==`errored`&&this._reloadTile(n,`reloading`))}}async _reloadTile(e,t){let n=this._inViewTiles.getTileById(e);if(!n)return;let r=n.hasData();n.state!==`loading`&&(n.state=t),await this._loadTile(n,e,t,r)}_tileLoaded(e,t,n,r,i){r||(e.timeAdded=U(),e.selfFading&&(e.fadeEndTime=e.timeAdded+this._rasterFadeDuration)),n===`expired`&&(e.refreshedUponExpiration=!0),this._setTileReloadTimer(t,e),!i?.unmodified&&(this.getSource().type===`raster-dem`&&e.dem&&Ao(e,this._inViewTiles),e.featureStateRevision=-1,this._state.initializeTileState(e,this.map?this.map.painter:null),e.aborted||this._source.fire(new K(`data`,{tile:e,coord:e.tileID})))}getTile(e){return this.getTileByID(e.key)}getTileByID(e){return this._inViewTiles.getTileById(e)}_retainLoadedChildren(t,n){let r=this._getLoadedDescendents(n),i=new Set;for(let a of n){let n=r[a.key];if(!n?.length){i.add(a);continue}let o=a.overscaledZ+e.maxOverzooming,s=n.filter(e=>e.tileID.overscaledZ<=o);if(!s.length){i.add(a);continue}let c=Math.min(...s.map(e=>e.tileID.overscaledZ)),l=s.filter(e=>e.tileID.overscaledZ===c).map(e=>e.tileID);for(let e of l)t[e.key]=e;this._areDescendentsComplete(l,c,a.overscaledZ)||i.add(a)}return i}_getLoadedDescendents(e){let t={};for(let n of this._inViewTiles.getAllTiles().filter(e=>e.hasData()))for(let r of e)n.tileID.isChildOf(r)&&(t[r.key]||=[],t[r.key].push(n));return t}_areDescendentsComplete(e,t,n){return e.length===1&&e[0].isOverscaled()?e[0].overscaledZ===t:4**(t-n)===e.length}getLoadedTile(e){return this._inViewTiles.getLoadedTile(e)}updateCacheSize(e){let t=(Math.ceil(e.width/this._source.tileSize)+1)*(Math.ceil(e.height/this._source.tileSize)+1),n=this._maxTileCacheZoomLevels===null?k.MAX_TILE_CACHE_ZOOM_LEVELS:this._maxTileCacheZoomLevels,r=Math.floor(t*n),i=typeof this._maxTileCacheSize==`number`?Math.min(this._maxTileCacheSize,r):r;this._outOfViewCache.setMaxSize(i)}handleWrapJump(e){let t=(e-(this._prevLng===void 0?e:this._prevLng))/360,n=Math.round(t);this._prevLng=e,n&&(this._inViewTiles.handleWrapJump(n),this._resetTileReloadTimers())}update(e,t){if(!this._sourceLoaded||this._paused)return;this.transform=e,this.terrain=t,this.updateCacheSize(e),this.handleWrapJump(this.transform.center.lng);let n;!this.used&&!this.usedForTerrain?n=[]:this._source.tileID?n=e.getVisibleUnwrappedCoordinates(this._source.tileID).map(e=>new $t(e.canonical.z,e.wrap,e.canonical.z,e.canonical.x,e.canonical.y)):(n=So(e,{tileSize:this.usedForTerrain?this.tileSize:this._source.tileSize,minzoom:this._source.minzoom,maxzoom:this._source.type===`vector`&&this.map._zoomLevelsToOverscale!==void 0?Math.max(this._source.maxzoom,e.maxZoom-this.map._zoomLevelsToOverscale):this._source.maxzoom,roundZoom:!this.usedForTerrain&&this._source.roundZoom,reparseOverscaled:this._source.reparseOverscaled,terrain:t,calculateTileZoom:this._source.calculateTileZoom}),this._source.hasTile&&(n=n.filter(e=>this._source.hasTile(e)))),this.usedForTerrain&&(n=this._addTerrainIdealTiles(n));let r=n.length===0&&!this._updated&&this._didEmitContent;this._updated=!0,r&&this.fire(new K(`data`,{sourceDataType:`idle`,sourceId:this.id}));let i=bo(e,this._source),a=this._updateRetainedTiles(n,i),o=Co(this._source.type);o&&this._rasterFadeDuration>0&&!t&&wo(this._inViewTiles,n,a,this._maxFadingAncestorLevels,this._source.minzoom,this._source.maxzoom,this._rasterFadeDuration),o?this._cleanUpRasterTiles(a):this._cleanUpVectorTiles(a)}_cleanUpRasterTiles(e){for(let t of this._inViewTiles.getAllIds())e[t]||this._removeTile(t)}_cleanUpVectorTiles(e){for(let t of this._inViewTiles.getAllIds()){let n=this._inViewTiles.getTileById(t);if(e[t]){n.clearSymbolFadeHold();continue}if(!n.hasSymbolBuckets){this._removeTile(t);continue}n.holdingForSymbolFade()?n.symbolFadeFinished()&&this._removeTile(t):n.setSymbolHoldDuration(this.map._fadeDuration)}}_addTerrainIdealTiles(e){let t=[];for(let n of e)if(n.canonical.z>this._source.minzoom){let e=n.scaledTo(n.canonical.z-1);t.push(e);let r=n.scaledTo(Math.max(this._source.minzoom,Math.min(n.canonical.z,5)));t.push(r)}return e.concat(t)}releaseSymbolFadeTiles(){for(let e of this._inViewTiles.getAllIds())this._inViewTiles.getTileById(e).holdingForSymbolFade()&&this._removeTile(e)}_updateRetainedTiles(t,n){let r=new Set;for(let e of t)this._addTile(e).hasData()||r.add(e);let i=t.reduce((e,t)=>(e[t.key]=t,e),{}),a=this._retainLoadedChildren(i,r),o={},s=Math.max(n-e.maxUnderzooming,this._source.minzoom);for(let e of a){let t=this._inViewTiles.getTileById(e.key),n=t?.wasRequested();for(let r=e.overscaledZ-1;r>=s;--r){let a=e.scaledTo(r);if(o[a.key])break;if(o[a.key]=!0,t=this.getTile(a),!t&&n&&(t=this._addTile(a)),t){let e=t.hasData();if((e||!this.map?.cancelPendingTileRequestsWhileZooming||n)&&(i[a.key]=a),n=t.wasRequested(),e)break}}}return i}_addTile(e){let t=this._inViewTiles.getTileById(e.key);if(t)return t;t=this._outOfViewCache.getAndRemove(e),t&&(t.resetFadeLogic(),this._setTileReloadTimer(e.key,t),t.tileID=e,this._state.initializeTileState(t,this.map?this.map.painter:null));let n=t;return t||(t=new po(e,this._source.tileSize*e.overscaleFactor()),this._loadTile(t,e.key,t.state,!1)),t.uses++,this._inViewTiles.setTile(e.key,t),n||this._source.fire(new K(`dataloading`,{tile:t,coord:t.tileID})),t}_setTileReloadTimer(e,t){this._clearTileReloadTimer(e);let n=t.getExpiryTimeout();if(n){let t=()=>{this._reloadTile(e,`expired`),delete this._timers[e]};this._timers[e]=setTimeout(t,n)}}_clearTileReloadTimer(e){let t=this._timers[e];t&&(clearTimeout(t),delete this._timers[e])}_resetTileReloadTimers(){for(let e in this._timers)clearTimeout(this._timers[e]),delete this._timers[e];for(let e of this._inViewTiles.getAllIds()){let t=this._inViewTiles.getTileById(e);this._setTileReloadTimer(e,t)}}refreshTiles(e){for(let t of this._inViewTiles.getAllIds()){let n=this._inViewTiles.getTileById(t);!this._inViewTiles.isIdRenderable(t)&&n.state!=`errored`||e.some(e=>e.equals(n.tileID.canonical))&&this._reloadTile(t,`expired`)}}_removeTile(e){let t=this._inViewTiles.getTileById(e);t&&(t.uses--,this._inViewTiles.deleteTileById(e),this._clearTileReloadTimer(e),!(t.uses>0)&&(t.hasData()&&t.state!==`reloading`?this._outOfViewCache.add(t.tileID,t,t.getExpiryTimeout()):(t.aborted=!0,this._abortTile(t),this._unloadTile(t))))}_dataHandler(e){if(e.dataType===`source`){if(e.sourceDataType===`metadata`){this._sourceLoaded=!0;return}e.sourceDataType!==`content`||!this._sourceLoaded||this._paused||(this.reload(e.sourceDataChanged,e.shouldReloadTileOptions),this.transform&&this.update(this.transform,this.terrain),this._didEmitContent=!0)}}clearTiles(){this._shouldReloadOnResume=!1,this._paused=!1;for(let e of this._inViewTiles.getAllIds())this._removeTile(e);this._outOfViewCache.reset()}tilesIn(e,t,n){let r=[],i=this.transform;if(!i)return r;let a=i.getCoveringTilesDetailsProvider().allowWorldCopies(),o=n?i.getCameraQueryGeometry(e):e,s=e=>i.screenPointToMercatorCoordinate(e,this.terrain),c=this.transformBbox(e,s,!a),l=this.transformBbox(o,s,!a),u=this.getIds(),d=On.fromPoints(l);for(let e of u){let n=this._inViewTiles.getTileById(e);if(n.holdingForSymbolFade())continue;let o=a?[n.tileID]:[n.tileID.unwrapTo(-1),n.tileID.unwrapTo(0)],s=2**(i.zoom-n.tileID.overscaledZ),u=t*n.queryPadding*N/n.tileSize/s;for(let e of o){let t=d.map(t=>e.getTilePoint(new B(t.x,t.y)));if(t.expandBy(u),t.intersects(Bn)){let t=c.map(t=>e.getTilePoint(t)),i=l.map(t=>e.getTilePoint(t));r.push({tile:n,tileID:a?e:e.unwrapTo(0),queryGeometry:t,cameraQueryGeometry:i,scale:s})}}}return r}transformBbox(e,t,n){let r=e.map(t);if(n){let n=On.fromPoints(e);n.shrinkBy(Math.min(n.width(),n.height())*.001);let i=n.map(t);On.fromPoints(r).covers(i)||(r=r.map(e=>e.x>.5?new B(e.x-1,e.y,e.z):e))}return r}getVisibleCoordinates(e){let t=this.getRenderableIds(e).map(e=>this._inViewTiles.getTileById(e).tileID);return this.transform&&this.transform.populateCache(t),t}hasTransition(){return this._source.hasTransition()?!0:Co(this._source.type)&&ko(this._inViewTiles,this._rasterFadeDuration)}setRasterFadeDuration(e){this._rasterFadeDuration=e}setFeatureState(e,t,n){e||=Yt,this._state.updateState(e,t,n)}removeFeatureState(e,t,n){e||=Yt,this._state.removeFeatureState(e,t,n)}getFeatureState(e,t){return e||=Yt,this._state.getState(e,t)}setDependencies(e,t,n){let r=this._inViewTiles.getTileById(e);r&&r.setDependencies(t,n)}reloadTilesForDependencies(e,t){for(let n of this._inViewTiles.getAllIds())this._inViewTiles.getTileById(n).hasDependency(e,t)&&this._reloadTile(n,`reloading`);this._outOfViewCache.filter(n=>!n.hasDependency(e,t))}areTilesLoaded(){for(let e of this._inViewTiles.getAllTiles())if(e.state!==`loaded`&&e.state!==`errored`)return!1;return!0}},Po=class{constructor(e,t){this.reset(e,t)}reset(e,t){this.points=e||[],this._distances=[0];for(let e=1;e0?(r-a)/o:0;return this.points[i].mult(1-s).add(this.points[t].mult(s))}};function Fo(e,t,n,r,i){return i?e?e(t,n)+r:r===0?void 0:r:r}function Io(e,t){let n=!0;return e===`always`||(e===`never`||t===`never`)&&(n=!1),n}var Lo=class{constructor(e,t,n){let r=this.boxCells=[],i=this.circleCells=[];this.xCellCount=Math.ceil(e/n),this.yCellCount=Math.ceil(t/n);for(let e=0;ethis.width||r<0||t>this.height)return[];let s=[];if(e<=0&&t<=0&&this.width<=n&&this.height<=r){if(i)return[{key:null,x1:e,y1:t,x2:n,y2:r}];for(let e=0;e0}hitTestCircle(e,t,n,r,i){let a=e-n,o=e+n,s=t-n,c=t+n;if(o<0||a>this.width||c<0||s>this.height)return!1;let l=[],u={hitTest:!0,overlapMode:r,circle:{x:e,y:t,radius:n},seenUids:{box:{},circle:{}}};return this._forEachCell(a,s,o,c,this._queryCellCircle,l,u,i),l.length>0}_queryCell(e,t,n,r,i,a,o,s){let{seenUids:c,hitTest:l,overlapMode:u}=o,d=this.boxCells[i],f=1e-6;if(d!==null){let i=this.bboxes;for(let o of d)if(!c.box[o]){c.box[o]=!0;let d=o*4,p=this.boxKeys[o];if(e<=i[d+2]+f&&t<=i[d+3]+f&&n>=i[d+0]-f&&r>=i[d+1]-f&&(!s||s(p))&&(!l||!Io(u,p.overlapMode))&&(a.push({key:p,x1:i[d],y1:i[d+1],x2:i[d+2],y2:i[d+3]}),l))return!0}}let p=this.circleCells[i];if(p!==null){let i=this.circles;for(let o of p)if(!c.circle[o]){c.circle[o]=!0;let d=o*3,f=this.circleKeys[o];if(this._circleAndRectCollide(i[d],i[d+1],i[d+2],e,t,n,r)&&(!s||s(f))&&(!l||!Io(u,f.overlapMode))){let e=i[d],t=i[d+1],n=i[d+2];if(a.push({key:f,x1:e-n,y1:t-n,x2:e+n,y2:t+n}),l)return!0}}}return!1}_queryCellCircle(e,t,n,r,i,a,o,s){let{circle:c,seenUids:l,overlapMode:u}=o,d=this.boxCells[i];if(d!==null){let e=this.bboxes;for(let t of d)if(!l.box[t]){l.box[t]=!0;let n=t*4,r=this.boxKeys[t];if(this._circleAndRectCollide(c.x,c.y,c.radius,e[n+0],e[n+1],e[n+2],e[n+3])&&(!s||s(r))&&!Io(u,r.overlapMode))return a.push(!0),!0}}let f=this.circleCells[i];if(f!==null){let e=this.circles;for(let t of f)if(!l.circle[t]){l.circle[t]=!0;let n=t*3,r=this.circleKeys[t];if(this._circlesCollide(e[n],e[n+1],e[n+2],c.x,c.y,c.radius)&&(!s||s(r))&&!Io(u,r.overlapMode))return a.push(!0),!0}}}_forEachCell(e,t,n,r,i,a,o,s){let c=this._convertToXCellCoord(e),l=this._convertToYCellCoord(t),u=this._convertToXCellCoord(n),d=this._convertToYCellCoord(r);for(let f=c;f<=u;f++)for(let c=l;c<=d;c++){let l=this.xCellCount*c+f;if(i.call(this,e,t,n,r,l,a,o,s))return}}_convertToXCellCoord(e){return Math.max(0,Math.min(this.xCellCount-1,Math.floor(e*this.xScale)))}_convertToYCellCoord(e){return Math.max(0,Math.min(this.yCellCount-1,Math.floor(e*this.yScale)))}_circlesCollide(e,t,n,r,i,a){let o=r-e,s=i-t,c=n+a;return c*c>o*o+s*s}_circleAndRectCollide(e,t,n,r,i,a,o){let 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r=vr();if(!e){let{vecSouth:e,vecEast:n}=Wo(t),i=jr();i[0]=n[0],i[1]=n[1],i[2]=e[0],i[3]=e[1],Mr(i,i),r[0]=i[0],r[1]=i[1],r[4]=i[2],r[5]=i[3]}return ke(r,r,[1/n,1/n,1]),r}function Uo(e,t,n,r){if(e){let e=vr();if(!t){let{vecSouth:t,vecEast:r}=Wo(n);e[0]=r[0],e[1]=r[1],e[4]=t[0],e[5]=t[1]}return ke(e,e,[r,r,1]),e}return n.pixelsToClipSpaceMatrix}function Wo(e){let t=Math.cos(e.rollInRadians),n=Math.sin(e.rollInRadians),r=Math.cos(e.pitchInRadians),i=Math.cos(e.bearingInRadians),a=Math.sin(e.bearingInRadians),o=at();o[0]=-i*r*n-a*t,o[1]=-a*r*n+i*t;let s=ft(o);s<1e-9?Hn(o):te(o,o,1/s);let c=at();c[0]=i*r*t-a*n,c[1]=a*r*t+i*n;let l=ft(c);return l<1e-9?Hn(c):te(c,c,1/l),{vecEast:c,vecSouth:o}}function Go(e,t,n){return Fo(e.getElevation,t,n,e.heightOffset??0,e.heightAnchorGround??!0)}function Ko(e,t,n,r){let i;r==null?(i=[e,t,0,1],ls(i,i,n)):(i=[e,t,r,1],Gt(i,i,n));let a=i[3];return{point:new l(i[0]/a,i[1]/a),signedDistanceFromCamera:a,isOccluded:!1}}function qo(e,t){return .5+e/t*.5}function 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s.projectionCache.offsets[e]=Xn(a,l,f,p)||l,s.projectionCache.offsets[e]}function os(e,t,n,r,i,a,o,s,c){let l=r?e-t:e+t,u=l>0?1:-1,d=0;r&&(u*=-1,d=Math.PI),u<0&&(d+=Math.PI);let f=u>0?a+i:a+i+1,p;s.projectionCache.cachedAnchorPoint?p=s.projectionCache.cachedAnchorPoint:(p=ts(s.tileAnchorPoint.x,s.tileAnchorPoint.y,s).point,s.projectionCache.cachedAnchorPoint=p);let m=p,h=p,g,_,v=0,y=0,b=Math.abs(l),x=[],S;for(;v+y<=b;){if(f+=u,f=o)return null;v+=y,h=m,_=g;let e={absOffsetX:b,direction:u,distanceFromAnchor:v,previousVertex:h};if(m=es(f,s,e),n===0)x.push(h),S=m.sub(h);else{let t,r=m.sub(h);t=r.mag()===0?is(es(f+u,s,e).sub(m),n,u):is(r,n,u),_||=h.add(t),g=as(f,t,m,a,o,_,n,s,e),x.push(_),S=g.sub(_)}y=S.mag()}let C=(b-v)/y,w=S._mult(C)._add(_||h),T=d+Math.atan2(m.y-h.y,m.x-h.x);return x.push(w),{point:w,angle:c?T:0,path:x}}const ss=new Float32Array([-1/0,-1/0,0,-1/0,-1/0,0,-1/0,-1/0,0,-1/0,-1/0,0]);function cs(e,t){for(let n=0;n{let r=Ko(e.x,e.y,n,Go(t,e.x,e.y)),i=t.transform.projectTileCoordinates(r.point.x,r.point.y,t.unwrappedTileID,Go(t,r.point.x,r.point.y));return i.point.x=(i.point.x*.5+.5)*t.width,i.point.y=(-i.point.y*.5+.5)*t.height,i})}function ds(e){let t=0,n=0,r=0,i=0;for(let a=0;an&&(n=i,t=r));return e.slice(t,t+n)}var fs=class{constructor(e,t=new Lo(e.width+200,e.height+200,25),n=new Lo(e.width+200,e.height+200,25)){this.transform=e,this.grid=t,this.ignoredGrid=n,this.pitchFactor=Math.cos(e.pitch*Math.PI/180)*e.cameraToCenterDistance,this.screenRightBoundary=e.width+100,this.screenBottomBoundary=e.height+100,this.gridRightBoundary=e.width+200,this.gridBottomBoundary=e.height+200,this.perspectiveRatioCutoff=.6}placeCollisionBox(e,t,n,r,i,a,o,s,c,l,u,d,f=0,p=!0){let m=e.anchorPointX+s[0],h=e.anchorPointY+s[1],g=this.projectAndGetPerspectiveRatio(m,h,i,Fo(l,m,h,f,p),d),_=n*g.perspectiveRatio,v;if(!a&&!o){let t=g.x+(u?u.x*_:0),n=g.y+(u?u.y*_:0);v={allPointsOccluded:!1,box:[t+e.x1*_,n+e.y1*_,t+e.x2*_,n+e.y2*_]}}else v=this._projectCollisionBox(e,_,r,i,a,o,s,g,l,u,d,f,p);let[y,b,x,S]=v.box,C=a?v.allPointsOccluded:g.isOccluded,w=C;return w||=g.perspectiveRatio=1;e--)p.push(a.path[e]);for(let e=1;ee.signedDistanceFromCamera<=0)?[]:e.map(e=>e.point)}let g=[];if(p.length>0){let e=p[0].clone(),t=p[0].clone();for(let n=1;n=n.x&&t.x<=r.x&&e.y>=n.y&&t.y<=r.y?[p]:t.xr.x||t.yr.y?[]:kt([p],n.x,n.y,r.x,r.y)}for(let n of g){i.reset(n,t*.25);let r=0;r=i.length<=.5*t?1:Math.ceil(i.paddedLength/m)+1;for(let n=0;n=this.screenRightBoundary||r<100||t>this.screenBottomBoundary}isInsideGrid(e,t,n,r){return n>=0&&e=0&&tthis.projectAndGetPerspectiveRatio(e.x,e.y,r,Fo(c,e.x,e.y,f,p),d));A=e.some(e=>!e.isOccluded),k=e.map(e=>new l(e.x,e.y))}else A=!0;return{box:Bt(k),allPointsOccluded:!A}}},ps=class{constructor(e,t,n,r){this.opacity=e?Math.max(0,Math.min(1,e.opacity+(e.placed?t:-t))):r&&n?1:0,this.placed=n}isHidden(){return this.opacity===0&&!this.placed}},ms=class{constructor(e,t,n,r,i){this.text=new ps(e?e.text:null,t,n,i),this.icon=new ps(e?e.icon:null,t,r,i)}isHidden(){return this.text.isHidden()&&this.icon.isHidden()}},hs=class{constructor(e,t,n){this.text=e,this.icon=t,this.skipFade=n}},gs=class{constructor(e,t,n,r,i){this.bucketInstanceId=e,this.featureIndex=t,this.sourceLayerIndex=n,this.bucketIndex=r,this.tileID=i}},_s=class{constructor(e){this.crossSourceCollisions=e,this.maxGroupID=0,this.collisionGroups={}}get(e){if(this.crossSourceCollisions)return{ID:0,predicate:null};if(!this.collisionGroups[e]){let t=++this.maxGroupID;this.collisionGroups[e]={ID:t,predicate:e=>e.collisionGroupID===t}}return this.collisionGroups[e]}};function vs(e,t,n,r,i){let{horizontalAlign:a,verticalAlign:o}=Oe(e),s=-(a-.5)*t,c=-(o-.5)*n;return new l(s+r[0]*i,c+r[1]*i)}var ys=class{constructor(e,t,n,r,i){this.transform=e.clone(),this.terrain=t,this.collisionIndex=new fs(this.transform),this.placements={},this.opacities={},this.variableOffsets={},this.stale=!1,this.commitTime=0,this.fadeDuration=n,this.retainedQueryData={},this.collisionGroups=new _s(r),this.collisionCircleArrays={},this.collisionBoxArrays=new Map,this.prevPlacement=i,i&&(i.prevPlacement=void 0),this.placedOrientations={}}_getTerrainElevationFunc(e){let t=this.terrain;if(t)return(n,r)=>t.getElevation(e,n,r)}getBucketParts(e,t,n,r){let i=n.getBucket(t),a=n.latestFeatureIndex;if(!i||!a||t.id!==i.layerIds[0])return;let o=n.collisionBoxArray,s=i.layers[0].layout,c=i.layers[0].paint,l=2**(this.transform.zoom-n.tileID.overscaledZ),u=n.tileSize/N,d=n.tileID.toUnwrapped(),f=s.get(`text-rotation-alignment`)===`map`,p=lt(n,1,this.transform.zoom),m=le(this.collisionIndex.transform,n,c.get(`text-translate`),c.get(`text-translate-anchor`)),h=le(this.collisionIndex.transform,n,c.get(`icon-translate`),c.get(`icon-translate-anchor`)),g=Ho(f,this.transform,p);this.retainedQueryData[i.bucketInstanceId]=new gs(i.bucketInstanceId,a,i.sourceLayerIndex,i.index,n.tileID);let _={bucket:i,layout:s,translationText:m,translationIcon:h,unwrappedTileID:d,pitchedLabelPlaneMatrix:g,scale:l,textPixelRatio:u,holdingForFade:n.holdingForSymbolFade(),collisionBoxArray:o,partiallyEvaluatedTextSize:fn(i.textSizeData,this.transform.zoom),collisionGroup:this.collisionGroups.get(i.sourceID)};if(r)for(let t of i.sortKeyRanges){let{sortKey:n,symbolInstanceStart:r,symbolInstanceEnd:i}=t;e.push({sortKey:n,symbolInstanceStart:r,symbolInstanceEnd:i,parameters:_})}else e.push({symbolInstanceStart:0,symbolInstanceEnd:i.symbolInstances.length,parameters:_})}attemptAnchorPlacement(e,t,n,r,i,a,o,s,c,l,u,d,f,p,m,h,g,_,v,y,b,x){let S=Wn[e.textAnchor],C=[e.textOffset0,e.textOffset1],w=vs(S,n,r,C,i),T=this.collisionIndex.placeCollisionBox(t,d,s,c,l,o,a,h,u.predicate,v,w,y,b,x);if(!(_&&!this.collisionIndex.placeCollisionBox(_,d,s,c,l,o,a,g,u.predicate,v,w,y,b,x).placeable)&&T.placeable){let e;if(this.prevPlacement?.variableOffsets[f.crossTileID]&&this.prevPlacement?.placements[f.crossTileID]?.text&&(e=this.prevPlacement.variableOffsets[f.crossTileID].anchor),f.crossTileID===0)throw Error(`symbolInstance.crossTileID can't be 0`);return this.variableOffsets[f.crossTileID]={textOffset:C,width:n,height:r,anchor:S,textBoxScale:i,prevAnchor:e},this.markUsedJustification(p,S,f,m),p.allowVerticalPlacement&&(this.markUsedOrientation(p,m,f),this.placedOrientations[f.crossTileID]=m),{shift:w,placedGlyphBoxes:T}}}placeLayerBucketPart(e,t,n){let{bucket:r,layout:a,translationText:o,translationIcon:s,unwrappedTileID:c,pitchedLabelPlaneMatrix:l,textPixelRatio:u,holdingForFade:d,collisionBoxArray:f,partiallyEvaluatedTextSize:p,collisionGroup:m}=e.parameters,h=a.get(`text-optional`),g=a.get(`icon-optional`),_=_n(a,`text-overlap`,`text-allow-overlap`),v=_===`always`,y=_n(a,`icon-overlap`,`icon-allow-overlap`),b=y===`always`,x=a.get(`text-rotation-alignment`)===`map`,S=a.get(`text-pitch-alignment`)===`map`,C=a.get(`icon-text-fit`)!==`none`,w=a.get(`symbol-z-order`)===`viewport-y`,T=a.get(`symbol-height-anchor`)===`ground`,E=v&&(b||!r.hasIconData()||g),D=b&&(v||!r.hasTextData()||h);!r.collisionArrays&&f&&r.deserializeCollisionBoxes(f);let ee=this.retainedQueryData[r.bucketInstanceId].tileID,O=this._getTerrainElevationFunc(ee),k=this.transform.getFastPathSimpleProjectionMatrix(ee),A=(e,f,b)=>{if(t[e.crossTileID])return;if(d){this.placements[e.crossTileID]=new hs(!1,!1,!1);return}let w=e.heightOffset,A=!1,j=!1,M=!0,te=null,ne={box:null,placeable:!1,offscreen:null,occluded:!1},re={box:null,placeable:!1,offscreen:null},ie=null,N=null,ae=null,oe=0,se=0,ce=0;f.textFeatureIndex?oe=f.textFeatureIndex:e.useRuntimeCollisionCircles&&(oe=e.featureIndex),f.verticalTextFeatureIndex&&(se=f.verticalTextFeatureIndex);let le=f.textBox;if(le){let t=t=>{let n=1;if(r.allowVerticalPlacement&&!t&&this.prevPlacement){let t=this.prevPlacement.placedOrientations[e.crossTileID];t&&(this.placedOrientations[e.crossTileID]=t,n=t,this.markUsedOrientation(r,n,e))}return n},i=(t,n)=>{if(r.allowVerticalPlacement&&e.numVerticalGlyphVertices>0&&f.verticalTextBox){for(let e of r.writingModes)if(e===2?(ne=n(),re=ne):ne=t(),ne?.placeable)break}else ne=t()},a=e.textAnchorOffsetStartIndex,l=e.textAnchorOffsetEndIndex;if(l===a){let n=(t,n)=>{let i=this.collisionIndex.placeCollisionBox(t,_,u,ee,c,S,x,o,m.predicate,O,void 0,k,w,T);return i?.placeable&&(this.markUsedOrientation(r,n,e),this.placedOrientations[e.crossTileID]=n),i};i(()=>n(le,1),()=>{let t=f.verticalTextBox;return r.allowVerticalPlacement&&e.numVerticalGlyphVertices>0&&t?n(t,2):{box:null,offscreen:null}}),t(ne?.placeable)}else{let d=Wn[this.prevPlacement?.variableOffsets[e.crossTileID]?.anchor],p=(t,i,f)=>{let p=t.x2-t.x1,h=t.y2-t.y1,g=e.textBoxScale,v=C&&y===`never`?i:null,b=null,E=_===`never`?1:2,D=`never`;d&&E++;for(let n=0;np(le,f.iconBox,1),()=>{let t=f.verticalTextBox,n=ne?.placeable;return r.allowVerticalPlacement&&!n&&e.numVerticalGlyphVertices>0&&t?p(t,f.verticalIconBox,2):{box:null,occluded:!0,offscreen:null}}),ne&&(A=ne.placeable,M=ne.offscreen);let h=t(ne?.placeable);if(!A&&this.prevPlacement){let t=this.prevPlacement.variableOffsets[e.crossTileID];t&&(this.variableOffsets[e.crossTileID]=t,this.markUsedJustification(r,t.anchor,e,h))}}}if(ie=ne,A=ie?.placeable,M=ie?.offscreen,e.useRuntimeCollisionCircles&&e.centerJustifiedTextSymbolIndex>=0){let t=r.text.placedSymbolArray.get(e.centerJustifiedTextSymbolIndex),s=i(r.textSizeData,p,t),u=a.get(`text-padding`),d=e.collisionCircleDiameter;N=this.collisionIndex.placeCollisionCircles(_,t,r.lineVertexArray,r.glyphOffsetArray,s,c,l,n,S,m.predicate,d,u,o,O),N.circles.length&&N.collisionDetected&&!n&&I(`Collisions detected, but collision boxes are not shown`),A=v||N.circles.length>0&&!N.collisionDetected,M&&=N.offscreen}if(f.iconFeatureIndex&&(ce=f.iconFeatureIndex),f.iconBox){let e=e=>this.collisionIndex.placeCollisionBox(e,y,u,ee,c,S,x,s,m.predicate,O,C&&te?te:void 0,k,w,T);re&&re.placeable&&f.verticalIconBox?(ae=e(f.verticalIconBox),j=ae.placeable):(ae=e(f.iconBox),j=ae.placeable),M&&=ae.offscreen}let ue=h||e.numHorizontalGlyphVertices===0&&e.numVerticalGlyphVertices===0,de=g||e.numIconVertices===0;!ue&&!de?j=A=j&&A:de?ue||(j&&=A):A=j&&A;let fe=A&&ie.placeable,pe=j&&ae.placeable;if(fe&&(re&&re.placeable&&se?this.collisionIndex.insertCollisionBox(ie.box,_,a.get(`text-ignore-placement`),r.bucketInstanceId,se,m.ID):this.collisionIndex.insertCollisionBox(ie.box,_,a.get(`text-ignore-placement`),r.bucketInstanceId,oe,m.ID)),pe&&this.collisionIndex.insertCollisionBox(ae.box,y,a.get(`icon-ignore-placement`),r.bucketInstanceId,ce,m.ID),N&&A&&this.collisionIndex.insertCollisionCircles(N.circles,_,a.get(`text-ignore-placement`),r.bucketInstanceId,oe,m.ID),n&&this.storeCollisionData(r.bucketInstanceId,b,f,ie,ae,N),e.crossTileID===0)throw Error(`symbolInstance.crossTileID can't be 0`);if(r.bucketInstanceId===0)throw Error(`bucket.bucketInstanceId can't be 0`);let me=(A||E)&&!ie?.occluded,he=(j||D)&&!ae?.occluded;this.placements[e.crossTileID]=new hs(me,he,M||r.justReloaded),t[e.crossTileID]=!0};if(w){if(e.symbolInstanceStart!==0)throw Error(`bucket.bucketInstanceId should be 0`);let t=r.getSortedSymbolIndexes(-this.transform.bearingInRadians);for(let e=t.length-1;e>=0;--e){let n=t[e];A(r.symbolInstances.get(n),r.collisionArrays[n],n)}}else for(let t=e.symbolInstanceStart;t=0&&(a>=0&&t!==a?e.text.placedSymbolArray.get(t).crossTileID=0:e.text.placedSymbolArray.get(t).crossTileID=n.crossTileID)}markUsedOrientation(e,t,n){let r=t===1||t===3?t:0,i=t===2?t:0,a=[n.leftJustifiedTextSymbolIndex,n.centerJustifiedTextSymbolIndex,n.rightJustifiedTextSymbolIndex];for(let t of a)e.text.placedSymbolArray.get(t).placedOrientation=r;n.verticalPlacedTextSymbolIndex&&(e.text.placedSymbolArray.get(n.verticalPlacedTextSymbolIndex).placedOrientation=i)}commit(e){this.commitTime=e,this.zoomAtLastRecencyCheck=this.transform.zoom;let t=this.prevPlacement,n=!1;this.prevZoomAdjustment=t?t.zoomAdjustment(this.transform.zoom):0;let r=t?t.symbolFadeChange(e):1,i=t?t.opacities:{},a=t?t.variableOffsets:{},o=t?t.placedOrientations:{};for(let e in this.placements){let t=this.placements[e],a=i[e];a?(this.opacities[e]=new ms(a,r,t.text,t.icon),n||=t.text!==a.text.placed,n||=t.icon!==a.icon.placed):(this.opacities[e]=new ms(null,r,t.text,t.icon,t.skipFade),n||=t.text||t.icon)}for(let e in i){let t=i[e];if(!this.opacities[e]){let i=new ms(t,r,!1,!1);i.isHidden()||(this.opacities[e]=i,n||=t.text.placed,n||=t.icon.placed)}}for(let e in a)!this.variableOffsets[e]&&this.opacities[e]&&!this.opacities[e].isHidden()&&(this.variableOffsets[e]=a[e]);for(let e in o)!this.placedOrientations[e]&&this.opacities[e]&&!this.opacities[e].isHidden()&&(this.placedOrientations[e]=o[e]);if(t&&t.lastPlacementChangeTime===void 0)throw Error(`Last placement time for previous placement is not defined`);n?this.lastPlacementChangeTime=e:typeof this.lastPlacementChangeTime!=`number`&&(this.lastPlacementChangeTime=t?t.lastPlacementChangeTime:e)}updateLayerOpacities(e,t){let n={};for(let r of t){let t=r.getBucket(e);t&&r.latestFeatureIndex&&e.id===t.layerIds[0]&&this.updateBucketOpacities(t,r.tileID,n,r.collisionBoxArray)}}updateBucketOpacities(e,t,n,r){e.hasTextData()&&(e.text.opacityVertexArray.clear(),e.text.hasVisibleVertices=!1),e.hasIconData()&&(e.icon.opacityVertexArray.clear(),e.icon.hasVisibleVertices=!1),e.hasIconCollisionBoxData()&&e.iconCollisionBox.collisionVertexArray.clear(),e.hasTextCollisionBoxData()&&e.textCollisionBox.collisionVertexArray.clear();let i=e.layers[0],a=i.layout,o=new ms(null,0,!1,!1,!0),s=a.get(`text-allow-overlap`),c=a.get(`icon-allow-overlap`),u=i._unevaluatedLayout.hasValue(`text-variable-anchor`)||i._unevaluatedLayout.hasValue(`text-variable-anchor-offset`),d=a.get(`text-rotation-alignment`)===`map`,f=a.get(`text-pitch-alignment`)===`map`,p=a.get(`icon-text-fit`)!==`none`,m=new ms(null,0,s&&(c||!e.hasIconData()||a.get(`icon-optional`)),c&&(s||!e.hasTextData()||a.get(`text-optional`)),!0);!e.collisionArrays&&r&&(e.hasIconCollisionBoxData()||e.hasTextCollisionBoxData())&&e.deserializeCollisionBoxes(r);let h=(e,t,n)=>{for(let r=0;r0||a>0,y=r.numIconVertices>0,b=this.placedOrientations[r.crossTileID],x=b===2,S=b===1||b===3;if(v){let t=Ts(_.text),n=x?Es:t;h(e.text,i,n);let o=S?Es:t;h(e.text,a,o);let s=_.text.isHidden(),c=[r.rightJustifiedTextSymbolIndex,r.centerJustifiedTextSymbolIndex,r.leftJustifiedTextSymbolIndex];for(let t of c)t>=0&&(e.text.placedSymbolArray.get(t).hidden=s||x?1:0);r.verticalPlacedTextSymbolIndex>=0&&(e.text.placedSymbolArray.get(r.verticalPlacedTextSymbolIndex).hidden=s||S?1:0);let l=this.variableOffsets[r.crossTileID];l&&this.markUsedJustification(e,l.anchor,r,b);let u=this.placedOrientations[r.crossTileID];u&&(this.markUsedJustification(e,`left`,r,u),this.markUsedOrientation(e,u,r))}if(y){let t=Ts(_.icon),n=!(p&&r.verticalPlacedIconSymbolIndex&&x);if(r.placedIconSymbolIndex>=0){let i=n?t:Es;h(e.icon,r.numIconVertices,i),e.icon.placedSymbolArray.get(r.placedIconSymbolIndex).hidden=_.icon.isHidden()}if(r.verticalPlacedIconSymbolIndex>=0){let i=n?Es:t;h(e.icon,r.numVerticalIconVertices,i),e.icon.placedSymbolArray.get(r.verticalPlacedIconSymbolIndex).hidden=_.icon.isHidden()}}let C=g?.has(t)?g.get(t):{text:null,icon:null};if(e.hasIconCollisionBoxData()||e.hasTextCollisionBoxData()){let n=e.collisionArrays[t];if(n){let t=new l(0,0);if(n.textBox||n.verticalTextBox){let r=!0;if(u){let e=this.variableOffsets[s];e?(t=vs(e.anchor,e.width,e.height,e.textOffset,e.textBoxScale),d&&t._rotate(f?-this.transform.bearingInRadians:this.transform.bearingInRadians)):r=!1}if(n.textBox||n.verticalTextBox){let i;n.textBox&&(i=x),n.verticalTextBox&&(i=S),bs(e.textCollisionBox.collisionVertexArray,_.text.placed,!r||i,C.text,t.x,t.y)}}if(n.iconBox||n.verticalIconBox){let r=!!(!S&&n.verticalIconBox),i;n.iconBox&&(i=r),n.verticalIconBox&&(i=!r),bs(e.iconCollisionBox.collisionVertexArray,_.icon.placed,i,C.icon,p?t.x:0,p?t.y:0)}}}}if(e.sortFeatures(-this.transform.bearingInRadians),this.retainedQueryData[e.bucketInstanceId]&&(this.retainedQueryData[e.bucketInstanceId].featureSortOrder=e.featureSortOrder),e.hasTextData()&&e.text.opacityVertexBuffer&&e.text.opacityVertexBuffer.updateData(e.text.opacityVertexArray),e.hasIconData()&&e.icon.opacityVertexBuffer&&e.icon.opacityVertexBuffer.updateData(e.icon.opacityVertexArray),e.hasIconCollisionBoxData()&&e.iconCollisionBox.collisionVertexBuffer&&e.iconCollisionBox.collisionVertexBuffer.updateData(e.iconCollisionBox.collisionVertexArray),e.hasTextCollisionBoxData()&&e.textCollisionBox.collisionVertexBuffer&&e.textCollisionBox.collisionVertexBuffer.updateData(e.textCollisionBox.collisionVertexArray),e.text.opacityVertexArray.length!==e.text.layoutVertexArray.length/4)throw Error(`bucket.text.opacityVertexArray.length (= ${e.text.opacityVertexArray.length}) !== bucket.text.layoutVertexArray.length (= ${e.text.layoutVertexArray.length}) / 4`);if(e.icon.opacityVertexArray.length!==e.icon.layoutVertexArray.length/4)throw Error(`bucket.icon.opacityVertexArray.length (= ${e.icon.opacityVertexArray.length}) !== bucket.icon.layoutVertexArray.length (= ${e.icon.layoutVertexArray.length}) / 4`);e.bucketInstanceId in this.collisionCircleArrays&&(e.collisionCircleArray=this.collisionCircleArrays[e.bucketInstanceId],delete this.collisionCircleArrays[e.bucketInstanceId])}symbolFadeChange(e){return this.fadeDuration===0?1:(e-this.commitTime)/this.fadeDuration+this.prevZoomAdjustment}zoomAdjustment(e){return Math.max(0,(this.transform.zoom-e)/1.5)}hasTransitions(e){return this.stale||e-this.lastPlacementChangeTimee}setStale(){this.stale=!0}};function bs(e,t,n,r,i,a){(!r||r.length===0)&&(r=[0,0,0,0]);let o=r[0]-100,s=r[1]-100,c=r[2]-100,l=r[3]-100;e.emplaceBack(+!!t,+!!n,i||0,a||0,o,s),e.emplaceBack(+!!t,+!!n,i||0,a||0,c,s),e.emplaceBack(+!!t,+!!n,i||0,a||0,c,l),e.emplaceBack(+!!t,+!!n,i||0,a||0,o,l)}const xs=2**25,Ss=2**24,Cs=2**17,ws=2**16;function Ts(e){if(e.opacity===0&&!e.placed)return 0;if(e.opacity===1&&e.placed)return 4294967295;let t=+!!e.placed,n=Math.floor(e.opacity*127);return n*xs+t*Ss+n*Cs+t*ws+n*512+t*256+n*2+t}const Es=0;var Ds=class{constructor(e){this._sortAcrossTiles=e.layout.get(`symbol-z-order`)!==`viewport-y`&&!e.layout.get(`symbol-sort-key`).isConstant(),this._currentTileIndex=0,this._currentPartIndex=0,this._seenCrossTileIDs={},this._bucketParts=[]}continuePlacement(e,t,n,r,i){let a=this._bucketParts;for(;this._currentTileIndexe.sortKey-t.sortKey));this._currentPartIndex!this._forceFullPlacement&&U()-r>2;for(;this._currentPlacementIndex>=0;){let r=t[e[this._currentPlacementIndex]],a=this.placement.collisionIndex.transform.zoom;if(C(r)&&r.layout&&(!r.minzoom||r.minzoom<=a)&&(!r.maxzoom||r.maxzoom>a)){if(this._inProgressLayer||=new Ds(r),this._inProgressLayer.continuePlacement(n[r.source],this.placement,this._showCollisionBoxes,r,i))return;delete this._inProgressLayer}this._currentPlacementIndex--}this._done=!0}commit(e){return this.placement.commit(e),this.placement}};const ks=[Int8Array,Uint8Array,Uint8ClampedArray,Int16Array,Uint16Array,Int32Array,Uint32Array,Float32Array,Float64Array],J=new Uint32Array(96);var As=class e{static from(t){if(!t||t.byteLength===void 0||t.buffer)throw Error(`Data must be an instance of ArrayBuffer or SharedArrayBuffer.`);let[n,r]=new Uint8Array(t,0,2);if(n!==219)throw Error(`Data does not appear to be in a KDBush format.`);let i=r>>4;if(i!==1)throw Error(`Got v${i} data when expected v1.`);let a=ks[r&15];if(!a)throw Error(`Unrecognized array type.`);let[o]=new Uint16Array(t,2,1),[s]=new Uint32Array(t,4,1);return new e(s,o,a,void 0,t)}constructor(e,t=64,n=Float64Array,r=ArrayBuffer,i){if(isNaN(e)||e<0)throw Error(`Unexpected numItems value: ${e}.`);this.numItems=+e,this.nodeSize=Math.min(Math.max(+t,2),65535),this.ArrayType=n,this.IndexArrayType=e<65536?Uint16Array:Uint32Array;let a=ks.indexOf(this.ArrayType),o=e*2*this.ArrayType.BYTES_PER_ELEMENT,s=e*this.IndexArrayType.BYTES_PER_ELEMENT,c=(8-s%8)%8;if(a<0)throw Error(`Unexpected typed array class: ${n}.`);if(i)this.data=i,this.ids=new this.IndexArrayType(i,8,e),this.coords=new n(i,8+s+c,e*2),this._pos=e*2,this._finished=!0;else{let i=this.data=new r(8+o+s+c);this.ids=new this.IndexArrayType(i,8,e),this.coords=new n(i,8+s+c,e*2),this._pos=0,this._finished=!1,new Uint8Array(i,0,2).set([219,16+a]),new Uint16Array(i,2,1)[0]=t,new Uint32Array(i,4,1)[0]=e}}add(e,t){let n=this._pos>>1;return this.ids[n]=n,this.coords[this._pos++]=e,this.coords[this._pos++]=t,n}finish(){let e=this._pos>>1;if(e!==this.numItems)throw Error(`Added ${e} items when expected ${this.numItems}.`);return js(this.ids,this.coords,this.nodeSize,0,this.numItems-1,0),this._finished=!0,this}range(e,t,n,r){if(!this._finished)throw Error(`Data not yet indexed - call index.finish().`);let{ids:i,coords:a,nodeSize:o}=this;J[0]=0,J[1]=i.length-1,J[2]=0;let s=3,c=[];for(;s>0;){let l=J[--s],u=J[--s],d=J[--s];if(u-d<=o){for(let o=d;o<=u;o++){let s=a[2*o],l=a[2*o+1];s>=e&&s<=n&&l>=t&&l<=r&&c.push(i[o])}continue}let f=d+u>>1,p=a[2*f],m=a[2*f+1];p>=e&&p<=n&&m>=t&&m<=r&&c.push(i[f]),(l===0?e<=p:t<=m)&&(J[s++]=d,J[s++]=f-1,J[s++]=1-l),(l===0?n>=p:r>=m)&&(J[s++]=f+1,J[s++]=u,J[s++]=1-l)}return c}within(e,t,n){let r=[];return this.withinInto(e,t,n,r),r}withinInto(e,t,n,r){if(!this._finished)throw Error(`Data not yet indexed - call index.finish().`);let{ids:i,coords:a,nodeSize:o}=this;J[0]=0,J[1]=i.length-1,J[2]=0;let s=3,c=0,l=n*n;for(;s>0;){let u=J[--s],d=J[--s],f=J[--s];if(d-f<=o){for(let n=f;n<=d;n++)Fs(a[2*n],a[2*n+1],e,t)<=l&&(r[c++]=i[n]);continue}let p=f+d>>1,m=a[2*p],h=a[2*p+1];Fs(m,h,e,t)<=l&&(r[c++]=i[p]),(u===0?e-n<=m:t-n<=h)&&(J[s++]=f,J[s++]=p-1,J[s++]=1-u),(u===0?e+n>=m:t+n>=h)&&(J[s++]=p+1,J[s++]=d,J[s++]=1-u)}return c}};function js(e,t,n,r,i,a){if(i-r<=n)return;let o=r+i>>1;Ms(e,t,o,r,i,a),js(e,t,n,r,o-1,1-a),js(e,t,n,o+1,i,1-a)}function Ms(e,t,n,r,i,a){for(;i>r;){if(i-r>600){let o=i-r+1,s=n-r+1,c=Math.log(o),l=.5*Math.exp(2*c/3),u=.5*Math.sqrt(c*l*(o-l)/o)*(s-o/2<0?-1:1);Ms(e,t,n,Math.max(r,Math.floor(n-s*l/o+u)),Math.min(i,Math.floor(n+(o-s)*l/o+u)),a)}let o=t[2*n+a],s=r,c=i;for(Ns(e,t,r,n),t[2*i+a]>o&&Ns(e,t,r,i);so;)c--}t[2*r+a]===o?Ns(e,t,r,c):(c++,Ns(e,t,c,i)),c<=n&&(r=c+1),n<=c&&(i=c-1)}}function Ns(e,t,n,r){Ps(e,n,r),Ps(t,2*n,2*r),Ps(t,2*n+1,2*r+1)}function Ps(e,t,n){let r=e[t];e[t]=e[n],e[n]=r}function Fs(e,t,n,r){let i=e-n,a=t-r;return i*i+a*a}const Is=512/N/2;var Ls=class{constructor(e,t,n){this.tileID=e,this.bucketInstanceId=n,this._symbolsByKey={};let r=new Map;for(let e=0;e({x:Math.floor(e.anchorX*Is),y:Math.floor(e.anchorY*Is)})),crossTileIDs:t.map(e=>e.crossTileID)};if(n.positions.length>128){let e=new As(n.positions.length,16,Uint16Array);for(let{x:t,y:r}of n.positions)e.add(t,r);e.finish(),delete n.positions,n.index=e}this._symbolsByKey[e]=n}}getScaledCoordinates(e,t){let{x:n,y:r,z:i}=this.tileID.canonical,{x:a,y:o,z:s}=t.canonical,c=s-i,l=Is/2**c,u=(a*N+e.anchorX)*l,d=(o*N+e.anchorY)*l,f=n*N*Is,p=r*N*Is;return{x:Math.floor(u-f),y:Math.floor(d-p)}}findMatches(e,t,n){let r=this.tileID.canonical.ze)}},Rs=class{constructor(){this.maxCrossTileID=0}generate(){return++this.maxCrossTileID}},zs=class{constructor(){this.indexes={},this.usedCrossTileIDs={},this.lng=0}handleWrapJump(e){let t=Math.round((e-this.lng)/360);if(t!==0)for(let e in this.indexes){let n=this.indexes[e],r={};for(let e in n){let i=n[e];i.tileID=i.tileID.unwrapTo(i.tileID.wrap+t),r[i.tileID.key]=i}this.indexes[e]=r}this.lng=e}addBucket(e,t,n){if(this.indexes[e.overscaledZ]?.[e.key]){if(this.indexes[e.overscaledZ][e.key].bucketInstanceId===t.bucketInstanceId)return!1;this.removeBucketCrossTileIDs(e.overscaledZ,this.indexes[e.overscaledZ][e.key])}for(let e=0;ee.overscaledZ)for(let n in i){let a=i[n];a.tileID.isChildOf(e)&&a.findMatches(t.symbolInstances,e,r)}else{let a=i[e.scaledTo(Number(n)).key];a&&a.findMatches(t.symbolInstances,e,r)}}for(let e=0;e> 1u)/127.0,float(packedOpacity & 1u));}vec4 decode_color(const vec2 encodedColor) {return vec4(unpack_float(encodedColor[0])/255.0,unpack_float(encodedColor[1])/255.0
+);}float unpack_mix_vec2(const vec2 packedValue,const float t) {return mix(packedValue[0],packedValue[1],t);}vec4 unpack_mix_color(const vec4 packedColors,const float t) {vec4 minColor=decode_color(vec2(packedColors[0],packedColors[1]));vec4 maxColor=decode_color(vec2(packedColors[2],packedColors[3]));return mix(minColor,maxColor,t);}vec2 get_pattern_pos(const vec2 pixel_coord_upper,const vec2 pixel_coord_lower,const vec2 pattern_size,const float tile_units_to_pixels,const vec2 pos) {vec2 offset=mod(mod(mod(pixel_coord_upper,pattern_size)*256.0,pattern_size)*256.0+pixel_coord_lower,pattern_size);return (tile_units_to_pixels*pos+offset)/pattern_size;}mat3 rotationMatrixFromAxisAngle(vec3 u,float angle) {float c=cos(angle);float s=sin(angle);float c2=1.0-c;return mat3(u.x*u.x*c2+ c,u.x*u.y*c2-u.z*s,u.x*u.z*c2+u.y*s,u.y*u.x*c2+u.z*s,u.y*u.y*c2+ c,u.y*u.z*c2-u.x*s,u.z*u.x*c2-u.y*s,u.z*u.y*c2+u.x*s,u.z*u.z*c2+ c
+);}
+#ifdef TERRAIN3D
+uniform sampler2D u_terrain;uniform float u_terrain_dim;uniform mat4 u_terrain_matrix;uniform vec4 u_terrain_unpack;uniform float u_terrain_exaggeration;uniform highp sampler2D u_depth;
+#endif
+const highp vec4 bitSh=vec4(256.*256.*256.,256.*256.,256.,1.);const highp vec4 bitShifts=vec4(1.)/bitSh;highp float unpack(highp vec4 color) {return dot(color,bitShifts);}highp float depthOpacity(vec3 frag) {
+#ifdef TERRAIN3D
+highp float d=unpack(texture(u_depth,frag.xy*0.5+0.5))+0.0001-frag.z;return 1.0-max(0.0,min(1.0,-d*500.0));
+#else
+return 1.0;
+#endif
+}float calculate_visibility(vec4 pos) {
+#ifdef TERRAIN3D
+vec3 frag=pos.xyz/pos.w;highp float d=depthOpacity(frag);if (d > 0.95) return 1.0;return (d+depthOpacity(frag+vec3(0.0,0.01,0.0)))/2.0;
+#else
+return 1.0;
+#endif
+}float ele(ivec2 pos) {
+#ifdef TERRAIN3D
+vec4 rgb=(texelFetch(u_terrain,pos,0)*255.0)*u_terrain_unpack;return rgb.r+rgb.g+rgb.b-u_terrain_unpack.a;
+#else
+return 0.0;
+#endif
+}float get_elevation(vec2 pos) {
+#ifdef TERRAIN3D
+#ifdef GLOBE
+if ((pos.y <-32767.5) || (pos.y > 32766.5)) {return 0.0;}
+#endif
+vec2 coord=(u_terrain_matrix*vec4(pos,0.0,1.0)).xy*u_terrain_dim+1.0;vec2 f=fract(coord);ivec2 c=ivec2(floor(coord));ivec2 hi=textureSize(u_terrain,0)-1;float tl=ele(clamp(c,ivec2(0),hi));float tr=ele(clamp(c+ivec2(1,0),ivec2(0),hi));float bl=ele(clamp(c+ivec2(0,1),ivec2(0),hi));float br=ele(clamp(c+ivec2(1,1),ivec2(0),hi));float elevation=mix(mix(tl,tr,f.x),mix(bl,br,f.x),f.y);return elevation*u_terrain_exaggeration;
+#else
+return 0.0;
+#endif
+}const float PI=3.141592653589793;uniform mat4 u_projection_matrix;`,Us=`uniform vec4 u_color;uniform float u_opacity;void main() {fragColor=u_color*u_opacity;
+#ifdef OVERDRAW_INSPECTOR
+fragColor=vec4(1.0);
+#endif
+}`,Ws=`layout(location=0) in vec2 a_pos;void main() {gl_Position=projectTile(a_pos);}`,Gs=`uniform vec2 u_pattern_tl_a;uniform vec2 u_pattern_br_a;uniform vec2 u_pattern_tl_b;uniform vec2 u_pattern_br_b;uniform vec2 u_texsize;uniform float u_mix;uniform float u_opacity;uniform sampler2D u_image;in vec2 v_pos_a;in vec2 v_pos_b;void main() {vec2 imagecoord=mod(v_pos_a,1.0);vec2 pos=mix(u_pattern_tl_a/u_texsize,u_pattern_br_a/u_texsize,imagecoord);vec4 color1=texture(u_image,pos);vec2 imagecoord_b=mod(v_pos_b,1.0);vec2 pos2=mix(u_pattern_tl_b/u_texsize,u_pattern_br_b/u_texsize,imagecoord_b);vec4 color2=texture(u_image,pos2);fragColor=mix(color1,color2,u_mix)*u_opacity;
+#ifdef OVERDRAW_INSPECTOR
+fragColor=vec4(1.0);
+#endif
+}`,Ks=`uniform vec2 u_pattern_size_a;uniform vec2 u_pattern_size_b;uniform vec2 u_pixel_coord_upper;uniform vec2 u_pixel_coord_lower;uniform float u_scale_a;uniform float u_scale_b;uniform float u_tile_units_to_pixels;layout(location=0) in vec2 a_pos;out vec2 v_pos_a;out vec2 v_pos_b;void main() {gl_Position=projectTile(a_pos);v_pos_a=get_pattern_pos(u_pixel_coord_upper,u_pixel_coord_lower,u_scale_a*u_pattern_size_a,u_tile_units_to_pixels,a_pos);v_pos_b=get_pattern_pos(u_pixel_coord_upper,u_pixel_coord_lower,u_scale_b*u_pattern_size_b,u_tile_units_to_pixels,a_pos);}`,qs=`in vec3 v_data;flat in float v_visibility;
+#pragma maplibre: define highp vec4 color
+#pragma maplibre: define mediump float radius
+#pragma maplibre: define lowp float blur
+#pragma maplibre: define lowp float opacity
+#pragma maplibre: define highp vec4 stroke_color
+#pragma maplibre: define mediump float stroke_width
+#pragma maplibre: define lowp float stroke_opacity
+void main() {
+#pragma maplibre: initialize highp vec4 color
+#pragma maplibre: initialize mediump float radius
+#pragma maplibre: initialize lowp float blur
+#pragma maplibre: initialize lowp float opacity
+#pragma maplibre: initialize highp vec4 stroke_color
+#pragma maplibre: initialize mediump float stroke_width
+#pragma maplibre: initialize lowp float stroke_opacity
+vec2 extrude=v_data.xy;float extrude_length=length(extrude);float antialiased_blur=v_data.z;float opacity_t=smoothstep(0.0,antialiased_blur,extrude_length-1.0);float color_t=stroke_width < 0.01 ? 0.0 : smoothstep(antialiased_blur,0.0,extrude_length-radius/(radius+stroke_width));fragColor=v_visibility*opacity_t*mix(color*opacity,stroke_color*stroke_opacity,color_t);const float epsilon=0.5/255.0;if (fragColor.r < epsilon && fragColor.g < epsilon && fragColor.b < epsilon && fragColor.a < epsilon) {discard;}
+#ifdef OVERDRAW_INSPECTOR
+fragColor=vec4(1.0);
+#endif
+}`,Js=`uniform bool u_scale_with_map;uniform bool u_pitch_with_map;uniform vec2 u_extrude_scale;uniform highp float u_globe_extrude_scale;uniform lowp float u_device_pixel_ratio;uniform highp float u_camera_to_center_distance;uniform vec2 u_translate;layout(location=0) in ivec2 a_pos;out vec3 v_data;flat out float v_visibility;
+#pragma maplibre: define highp vec4 color
+#pragma maplibre: define mediump float radius
+#pragma maplibre: define lowp float blur
+#pragma maplibre: define lowp float opacity
+#pragma maplibre: define highp vec4 stroke_color
+#pragma maplibre: define mediump float stroke_width
+#pragma maplibre: define lowp float stroke_opacity
+void main(void) {
+#pragma maplibre: initialize highp vec4 color
+#pragma maplibre: initialize mediump float radius
+#pragma maplibre: initialize lowp float blur
+#pragma maplibre: initialize lowp float opacity
+#pragma maplibre: initialize highp vec4 stroke_color
+#pragma maplibre: initialize mediump float stroke_width
+#pragma maplibre: initialize lowp float stroke_opacity
+ivec2 pos_raw=a_pos+32768;vec2 extrude=vec2(pos_raw & 7)/7.0*2.0-1.0;vec2 circle_center=vec2(pos_raw >> 3)+u_translate;float ele=get_elevation(circle_center);v_visibility=calculate_visibility(projectTileWithElevation(circle_center,ele));if (u_pitch_with_map) {
+#ifdef GLOBE
+vec3 center_vector=projectToSphere(circle_center);
+#endif
+float angle_scale=u_globe_extrude_scale;vec2 corner_position=circle_center;if (u_scale_with_map) {angle_scale*=(radius+stroke_width);corner_position+=extrude*u_extrude_scale*(radius+stroke_width);} else {
+#ifdef GLOBE
+vec4 projected_center=interpolateProjection(circle_center,center_vector,ele);
+#else
+vec4 projected_center=projectTileWithElevation(circle_center,ele);
+#endif
+corner_position+=extrude*u_extrude_scale*(radius+stroke_width)*(projected_center.w/u_camera_to_center_distance);angle_scale*=(radius+stroke_width)*(projected_center.w/u_camera_to_center_distance);}
+#ifdef GLOBE
+vec2 angles=extrude*angle_scale;vec3 corner_vector=globeRotateVector(center_vector,angles);gl_Position=interpolateProjection(corner_position,corner_vector,ele);
+#else
+gl_Position=projectTileWithElevation(corner_position,ele);
+#endif
+} else {gl_Position=projectTileWithElevation(circle_center,ele);if (gl_Position.z/gl_Position.w > 1.0) {gl_Position.xy=vec2(10000.0);}if (u_scale_with_map) {gl_Position.xy+=extrude*(radius+stroke_width)*u_extrude_scale*u_camera_to_center_distance;} else {gl_Position.xy+=extrude*(radius+stroke_width)*u_extrude_scale*gl_Position.w;}}float antialiasblur=-max(1.0/u_device_pixel_ratio/(radius+stroke_width),blur);v_data=vec3(extrude.x,extrude.y,antialiasblur);}`,Ys=`void main() {fragColor=vec4(1.0);}`;const Xs={prelude:Y(Vs,Hs),projectionMercator:Y(`
+void clipAntimeridian() {}`,`float projectLineThickness(float tileY) {return 1.0;}float projectCircleRadius(float tileY) {return 1.0;}vec4 projectTile(vec2 p) {vec4 result=u_projection_matrix*vec4(p,0.0,1.0);return result;}vec4 projectTile(vec2 p,vec2 rawPos) {vec4 result=u_projection_matrix*vec4(p,0.0,1.0);if (rawPos.y <-32767.5 || rawPos.y > 32766.5) {result.z=-10000000.0;}return result;}vec4 projectTileWithElevation(vec2 posInTile,float elevation) {return u_projection_matrix*vec4(posInTile,elevation,1.0);}vec4 projectTileFor3D(vec2 posInTile,float elevation) {return projectTileWithElevation(posInTile,elevation);}`),projectionGlobe:Y(`uniform bool u_projection_clip_antimeridian;in highp float v_projection_tile_x;void clipAntimeridian() {if (u_projection_clip_antimeridian && (v_projection_tile_x < 0.0 || v_projection_tile_x >=8192.0)) {discard;}}`,`#define GLOBE_RADIUS 6371008.8
+uniform highp vec4 u_projection_tile_mercator_coords;uniform highp vec4 u_projection_clipping_plane;uniform highp float u_projection_transition;uniform mat4 u_projection_fallback_matrix;out highp float v_projection_tile_x;vec3 globeRotateVector(vec3 vec,vec2 angles) {vec3 axisRight=vec3(vec.z,0.0,-vec.x);vec3 axisUp=cross(axisRight,vec);axisRight=normalize(axisRight);axisUp=normalize(axisUp);vec2 t=tan(angles);return normalize(vec+axisRight*t.x+axisUp*t.y);}mat3 globeGetRotationMatrix(vec3 spherePos) {vec3 axisRight=vec3(spherePos.z,0.0,-spherePos.x);vec3 axisDown=cross(axisRight,spherePos);axisRight=normalize(axisRight);axisDown=normalize(axisDown);return mat3(axisRight,axisDown,spherePos
+);}float circumferenceRatioAtTileY(float tileY) {float mercator_pos_y=u_projection_tile_mercator_coords.y+u_projection_tile_mercator_coords.w*tileY;float t=exp(PI-(mercator_pos_y*PI*2.0));return (2.0*t)/(t*t+1.0);}float projectLineThickness(float tileY) {float thickness=1.0/circumferenceRatioAtTileY(tileY);if (u_projection_transition < 0.999) {return mix(1.0,thickness,u_projection_transition);} else {return thickness;}}vec3 projectToSphere(vec2 translatedPos,vec2 rawPos) {vec2 mercator_pos=u_projection_tile_mercator_coords.xy+u_projection_tile_mercator_coords.zw*translatedPos;float spherical_x=mercator_pos.x*PI*2.0+PI;float t=exp(PI-(mercator_pos.y*PI*2.0));float t2=t*t;float denom=t2+1.0;float sin_sy=(t2-1.0)/denom;float cos_sy=(2.0*t)/denom;vec3 pos=vec3(sin(spherical_x)*cos_sy,sin_sy,cos(spherical_x)*cos_sy
+);if (rawPos.y <-32767.5) {pos=vec3(0.0,1.0,0.0);}if (rawPos.y > 32766.5) {pos=vec3(0.0,-1.0,0.0);}return pos;}vec3 projectToSphere(vec2 posInTile) {return projectToSphere(posInTile,vec2(0.0,0.0));}float globeComputeClippingZ(vec3 spherePos) {return (1.0-(dot(spherePos,u_projection_clipping_plane.xyz)+u_projection_clipping_plane.w));}vec4 interpolateProjection(vec2 posInTile,vec3 spherePos,float elevation) {v_projection_tile_x=posInTile.x;vec3 elevatedPos=spherePos*(1.0+elevation/GLOBE_RADIUS);vec4 globePosition=u_projection_matrix*vec4(elevatedPos,1.0);globePosition.z=globeComputeClippingZ(elevatedPos)*globePosition.w;if (u_projection_transition > 0.999) {return globePosition;}vec4 flatPosition=u_projection_fallback_matrix*vec4(posInTile,elevation,1.0);const float z_globeness_threshold=0.2;vec4 result=globePosition;result.z=mix(0.0,globePosition.z,clamp((u_projection_transition-z_globeness_threshold)/(1.0-z_globeness_threshold),0.0,1.0));result.xyw=mix(flatPosition.xyw,globePosition.xyw,u_projection_transition);if ((posInTile.y <-32767.5) || (posInTile.y > 32766.5)) {result=globePosition;const float poles_hidden_anim_percentage=0.02;result.z=mix(globePosition.z,100.0,pow(max((1.0-u_projection_transition)/poles_hidden_anim_percentage,0.0),8.0));}return result;}vec4 interpolateProjectionFor3D(vec2 posInTile,vec3 spherePos,float elevation) {v_projection_tile_x=posInTile.x;vec3 elevatedPos=spherePos*(1.0+elevation/GLOBE_RADIUS);vec4 globePosition=u_projection_matrix*vec4(elevatedPos,1.0);if (u_projection_transition > 0.999) {return globePosition;}vec4 fallbackPosition=u_projection_fallback_matrix*vec4(posInTile,elevation,1.0);return mix(fallbackPosition,globePosition,u_projection_transition);}vec4 projectTile(vec2 posInTile) {return interpolateProjection(posInTile,projectToSphere(posInTile),0.0);}vec4 projectTile(vec2 posInTile,vec2 rawPos) {return interpolateProjection(posInTile,projectToSphere(posInTile,rawPos),0.0);}vec4 projectTileWithElevation(vec2 posInTile,float elevation) {return interpolateProjection(posInTile,projectToSphere(posInTile),elevation);}vec4 projectTileFor3D(vec2 posInTile,float elevation) {vec3 spherePos=projectToSphere(posInTile,posInTile);return interpolateProjectionFor3D(posInTile,spherePos,elevation);}`),background:Y(Us,Ws),backgroundPattern:Y(Gs,Ks),circle:Y(qs,Js),clippingMask:Y(Ys,`layout(location=0) in vec2 a_pos;void main() {gl_Position=projectTile(a_pos);}`),heatmap:Y(`uniform highp float u_intensity;in vec2 v_extrude;
+#pragma maplibre: define highp float weight
+#define GAUSS_COEF 0.3989422804014327
+void main() {
+#pragma maplibre: initialize highp float weight
+float d=-0.5*3.0*3.0*dot(v_extrude,v_extrude);float val=weight*u_intensity*GAUSS_COEF*exp(d);fragColor=vec4(val,1.0,1.0,1.0);
+#ifdef OVERDRAW_INSPECTOR
+fragColor=vec4(1.0);
+#endif
+}`,`uniform float u_extrude_scale;uniform float u_opacity;uniform float u_intensity;uniform highp float u_globe_extrude_scale;layout(location=0) in ivec2 a_pos;out vec2 v_extrude;
+#pragma maplibre: define highp float weight
+#pragma maplibre: define mediump float radius
+const highp float ZERO=1.0/255.0/16.0;
+#define GAUSS_COEF 0.3989422804014327
+void main(void) {
+#pragma maplibre: initialize highp float weight
+#pragma maplibre: initialize mediump float radius
+ivec2 pos_raw=a_pos+32768;vec2 unscaled_extrude=vec2(pos_raw & 7)/7.0*2.0-1.0;float S=sqrt(-2.0*log(ZERO/weight/u_intensity/GAUSS_COEF))/3.0;v_extrude=S*unscaled_extrude;vec2 extrude=v_extrude*radius*u_extrude_scale;vec2 circle_center=vec2(pos_raw >> 3);
+#ifdef GLOBE
+vec2 angles=v_extrude*radius*u_globe_extrude_scale;vec3 center_vector=projectToSphere(circle_center);vec3 corner_vector=globeRotateVector(center_vector,angles);gl_Position=interpolateProjection(circle_center+extrude,corner_vector,0.0);
+#else
+gl_Position=projectTileFor3D(circle_center+extrude,get_elevation(circle_center));
+#endif
+}`),heatmapTexture:Y(`uniform sampler2D u_image;uniform sampler2D u_color_ramp;uniform float u_opacity;in vec2 v_pos;void main() {float t=texture(u_image,v_pos).r;vec4 color=texture(u_color_ramp,vec2(t,0.5));fragColor=color*u_opacity;
+#ifdef OVERDRAW_INSPECTOR
+fragColor=vec4(0.0);
+#endif
+}`,`uniform mat4 u_matrix;uniform vec2 u_world;layout(location=0) in vec2 a_pos;out vec2 v_pos;void main() {gl_Position=u_matrix*vec4(a_pos*u_world,0,1);v_pos.x=a_pos.x;v_pos.y=1.0-a_pos.y;}`),collisionBox:Y(`flat in float v_placed;flat in float v_notUsed;void main() {float alpha=0.5;fragColor=vec4(1.0,0.0,0.0,1.0)*alpha;if (v_placed > 0.5) {fragColor=vec4(0.0,0.0,1.0,0.5)*alpha;}if (v_notUsed > 0.5) {fragColor*=.1;}}`,`layout(location=0) in vec2 a_anchor_pos;layout(location=1) in vec2 a_placed;layout(location=2) in vec2 a_box_real;uniform vec2 u_pixel_extrude_scale;flat out float v_placed;flat out float v_notUsed;void main() {gl_Position=projectTileWithElevation(a_anchor_pos,get_elevation(a_anchor_pos));gl_Position.xy=((a_box_real+0.5)*u_pixel_extrude_scale*2.0-1.0)*vec2(1.0,-1.0)*gl_Position.w;if (gl_Position.z/gl_Position.w < 1.1) {gl_Position.z=0.5;}v_placed=a_placed.x;v_notUsed=a_placed.y;}`),collisionCircle:Y(`flat in float v_radius;in vec2 v_extrude;flat in float v_collision;void main() {float alpha=0.5;float stroke_radius=0.9;float distance_to_center=length(v_extrude);float distance_to_edge=abs(distance_to_center-v_radius);float opacity_t=smoothstep(-stroke_radius,0.0,-distance_to_edge);vec4 color=mix(vec4(0.0,0.0,1.0,0.5),vec4(1.0,0.0,0.0,1.0),v_collision);fragColor=color*alpha*opacity_t;}`,`layout(location=0) in vec2 a_pos;layout(location=1) in float a_radius;layout(location=2) in vec2 a_flags;uniform vec2 u_viewport_size;flat out float v_radius;out vec2 v_extrude;flat out float v_collision;void main() {float radius=a_radius;float collision=a_flags.x;float vertexIdx=a_flags.y;vec2 quadVertexOffset=vec2(mix(-1.0,1.0,float(vertexIdx >=2.0)),mix(-1.0,1.0,float(vertexIdx >=1.0 && vertexIdx <=2.0)));vec2 quadVertexExtent=quadVertexOffset*radius;float padding_factor=1.2;v_radius=radius;v_extrude=quadVertexExtent*padding_factor;v_collision=collision;gl_Position=vec4((a_pos/u_viewport_size*2.0-1.0)*vec2(1.0,-1.0),0.0,1.0)+vec4(quadVertexExtent*padding_factor/u_viewport_size*2.0,0.0,0.0);}`),colorRelief:Y(`#ifdef GL_ES
+precision highp float;
+#endif
+uniform sampler2D u_image;uniform vec4 u_unpack;uniform sampler2D u_elevation_stops;uniform sampler2D u_color_stops;uniform int u_color_ramp_size;uniform float u_opacity;in vec2 v_pos;float getElevation(vec2 coord) {vec4 data=texture(u_image,coord)*255.0;data.a=-1.0;return dot(data,u_unpack);}float getElevationStop(int stop) {vec4 data=texelFetch(u_elevation_stops,ivec2(stop,0),0)*255.0;data.a=-1.0;return dot(data,u_unpack);}void main() {float el=getElevation(v_pos);int r=(u_color_ramp_size-1);int l=0;float el_l=getElevationStop(l);float el_r=getElevationStop(r);while(r-l > 1){int m=(r+l)/2;float el_m=getElevationStop(m);if(el < el_m){r=m;el_r=el_m;}else
+{l=m;el_l=el_m;}}float x=(float(l)+(el-el_l)/(el_r-el_l)+0.5)/float(u_color_ramp_size);fragColor=u_opacity*texture(u_color_stops,vec2(x,0));
+#ifdef OVERDRAW_INSPECTOR
+fragColor=vec4(1.0);
+#endif
+}`,`uniform vec2 u_dimension;layout(location=0) in vec2 a_pos;out vec2 v_pos;void main() {gl_Position=projectTile(a_pos,a_pos);highp vec2 epsilon=1.0/u_dimension;float scale=(u_dimension.x-2.0)/u_dimension.x;v_pos=(a_pos/8192.0)*scale+epsilon;if (a_pos.y <-32767.5) {v_pos.y=0.0;}if (a_pos.y > 32766.5) {v_pos.y=1.0;}}`),debug:Y(`uniform highp vec4 u_color;uniform sampler2D u_overlay;in vec2 v_uv;void main() {vec4 overlay_color=texture(u_overlay,v_uv);fragColor=mix(u_color,overlay_color,overlay_color.a);}`,`layout(location=0) in vec2 a_pos;out vec2 v_uv;uniform float u_overlay_scale;void main() {v_uv=a_pos/8192.0;gl_Position=projectTileWithElevation(a_pos*u_overlay_scale,get_elevation(a_pos));}`),depth:Y(Ys,`layout(location=0) in vec2 a_pos;void main() {
+#ifdef GLOBE
+gl_Position=projectTileFor3D(a_pos,0.0);
+#else
+gl_Position=u_projection_matrix*vec4(a_pos,0.0,1.0);
+#endif
+}`),fill:Y(`#pragma maplibre: define highp vec4 color
+#pragma maplibre: define lowp float opacity
+void main() {
+#pragma maplibre: initialize highp vec4 color
+#pragma maplibre: initialize lowp float opacity
+fragColor=color*opacity;
+#ifdef OVERDRAW_INSPECTOR
+fragColor=vec4(1.0);
+#endif
+}`,`uniform vec2 u_fill_translate;layout(location=0) in vec2 a_pos;
+#pragma maplibre: define highp vec4 color
+#pragma maplibre: define lowp float opacity
+void main() {
+#pragma maplibre: initialize highp vec4 color
+#pragma maplibre: initialize lowp float opacity
+if (opacity < 0.01) {gl_Position=vec4(-2.0,-2.0,-2.0,1.0);return;}gl_Position=projectTile(a_pos+u_fill_translate,a_pos);}`),fillOutline:Y(`in vec2 v_pos;
+#ifdef GLOBE
+in float v_depth;
+#endif
+#pragma maplibre: define highp vec4 outline_color
+#pragma maplibre: define lowp float opacity
+void main() {
+#pragma maplibre: initialize highp vec4 outline_color
+#pragma maplibre: initialize lowp float opacity
+float dist=length(v_pos-gl_FragCoord.xy);float alpha=1.0-smoothstep(0.0,1.0,dist);fragColor=outline_color*(alpha*opacity);
+#ifdef GLOBE
+if (v_depth > 1.0) {discard;}
+#endif
+#ifdef OVERDRAW_INSPECTOR
+fragColor=vec4(1.0);
+#endif
+}`,`uniform vec2 u_world;uniform vec2 u_fill_translate;layout(location=0) in vec2 a_pos;out vec2 v_pos;
+#ifdef GLOBE
+out float v_depth;
+#endif
+#pragma maplibre: define highp vec4 outline_color
+#pragma maplibre: define lowp float opacity
+void main() {
+#pragma maplibre: initialize highp vec4 outline_color
+#pragma maplibre: initialize lowp float opacity
+if (opacity < 0.01) {gl_Position=vec4(-2.0,-2.0,-2.0,1.0);return;}gl_Position=projectTile(a_pos+u_fill_translate,a_pos);v_pos=(gl_Position.xy/gl_Position.w+1.0)/2.0*u_world;
+#ifdef GLOBE
+v_depth=gl_Position.z/gl_Position.w;
+#endif
+}`),fillOutlinePattern:Y(`uniform vec2 u_texsize;uniform sampler2D u_image;uniform float u_fade;in vec2 v_pos_a;in vec2 v_pos_b;in vec2 v_pos;
+#ifdef GLOBE
+in float v_depth;
+#endif
+#pragma maplibre: define lowp float opacity
+#pragma maplibre: define lowp vec4 pattern_from
+#pragma maplibre: define lowp vec4 pattern_to
+void main() {
+#pragma maplibre: initialize lowp float opacity
+#pragma maplibre: initialize mediump vec4 pattern_from
+#pragma maplibre: initialize mediump vec4 pattern_to
+vec2 pattern_tl_a=pattern_from.xy;vec2 pattern_br_a=pattern_from.zw;vec2 pattern_tl_b=pattern_to.xy;vec2 pattern_br_b=pattern_to.zw;vec2 imagecoord=mod(v_pos_a,1.0);vec2 pos=mix(pattern_tl_a/u_texsize,pattern_br_a/u_texsize,imagecoord);vec4 color1=texture(u_image,pos);vec2 imagecoord_b=mod(v_pos_b,1.0);vec2 pos2=mix(pattern_tl_b/u_texsize,pattern_br_b/u_texsize,imagecoord_b);vec4 color2=texture(u_image,pos2);float dist=length(v_pos-gl_FragCoord.xy);float alpha=1.0-smoothstep(0.0,1.0,dist);fragColor=mix(color1,color2,u_fade)*alpha*opacity;
+#ifdef GLOBE
+if (v_depth > 1.0) {discard;}
+#endif
+#ifdef OVERDRAW_INSPECTOR
+fragColor=vec4(1.0);
+#endif
+}`,`uniform vec2 u_world;uniform vec2 u_pixel_coord_upper;uniform vec2 u_pixel_coord_lower;uniform vec3 u_scale;uniform vec2 u_fill_translate;layout(location=0) in vec2 a_pos;out vec2 v_pos_a;out vec2 v_pos_b;out vec2 v_pos;
+#ifdef GLOBE
+out float v_depth;
+#endif
+#pragma maplibre: define lowp float opacity
+#pragma maplibre: define lowp vec4 pattern_from
+#pragma maplibre: define lowp vec4 pattern_to
+#pragma maplibre: define lowp float pixel_ratio_from
+#pragma maplibre: define lowp float pixel_ratio_to
+void main() {
+#pragma maplibre: initialize lowp float opacity
+#pragma maplibre: initialize mediump vec4 pattern_from
+#pragma maplibre: initialize mediump vec4 pattern_to
+#pragma maplibre: initialize lowp float pixel_ratio_from
+#pragma maplibre: initialize lowp float pixel_ratio_to
+if (opacity < 0.01) {gl_Position=vec4(-2.0,-2.0,-2.0,1.0);return;}vec2 pattern_tl_a=pattern_from.xy;vec2 pattern_br_a=pattern_from.zw;vec2 pattern_tl_b=pattern_to.xy;vec2 pattern_br_b=pattern_to.zw;float tileRatio=u_scale.x;float fromScale=u_scale.y;float toScale=u_scale.z;gl_Position=projectTile(a_pos+u_fill_translate,a_pos);vec2 display_size_a=(pattern_br_a-pattern_tl_a)/pixel_ratio_from;vec2 display_size_b=(pattern_br_b-pattern_tl_b)/pixel_ratio_to;v_pos_a=get_pattern_pos(u_pixel_coord_upper,u_pixel_coord_lower,fromScale*display_size_a,tileRatio,a_pos);v_pos_b=get_pattern_pos(u_pixel_coord_upper,u_pixel_coord_lower,toScale*display_size_b,tileRatio,a_pos);v_pos=(gl_Position.xy/gl_Position.w+1.0)/2.0*u_world;
+#ifdef GLOBE
+v_depth=gl_Position.z/gl_Position.w;
+#endif
+}`),fillPattern:Y(`#ifdef GL_ES
+precision highp float;
+#endif
+uniform vec2 u_texsize;uniform float u_fade;uniform sampler2D u_image;in vec2 v_pos_a;in vec2 v_pos_b;
+#pragma maplibre: define lowp float opacity
+#pragma maplibre: define lowp vec4 pattern_from
+#pragma maplibre: define lowp vec4 pattern_to
+void main() {
+#pragma maplibre: initialize lowp float opacity
+#pragma maplibre: initialize mediump vec4 pattern_from
+#pragma maplibre: initialize mediump vec4 pattern_to
+vec2 pattern_tl_a=pattern_from.xy;vec2 pattern_br_a=pattern_from.zw;vec2 pattern_tl_b=pattern_to.xy;vec2 pattern_br_b=pattern_to.zw;vec2 imagecoord=mod(v_pos_a,1.0);vec2 pos=mix(pattern_tl_a/u_texsize,pattern_br_a/u_texsize,imagecoord);vec4 color1=texture(u_image,pos);vec2 imagecoord_b=mod(v_pos_b,1.0);vec2 pos2=mix(pattern_tl_b/u_texsize,pattern_br_b/u_texsize,imagecoord_b);vec4 color2=texture(u_image,pos2);fragColor=mix(color1,color2,u_fade)*opacity;
+#ifdef OVERDRAW_INSPECTOR
+fragColor=vec4(1.0);
+#endif
+}`,`uniform vec2 u_pixel_coord_upper;uniform vec2 u_pixel_coord_lower;uniform vec3 u_scale;uniform vec2 u_fill_translate;layout(location=0) in vec2 a_pos;out vec2 v_pos_a;out vec2 v_pos_b;
+#pragma maplibre: define lowp float opacity
+#pragma maplibre: define lowp vec4 pattern_from
+#pragma maplibre: define lowp vec4 pattern_to
+#pragma maplibre: define lowp float pixel_ratio_from
+#pragma maplibre: define lowp float pixel_ratio_to
+void main() {
+#pragma maplibre: initialize lowp float opacity
+#pragma maplibre: initialize mediump vec4 pattern_from
+#pragma maplibre: initialize mediump vec4 pattern_to
+#pragma maplibre: initialize lowp float pixel_ratio_from
+#pragma maplibre: initialize lowp float pixel_ratio_to
+if (opacity < 0.01) {gl_Position=vec4(-2.0,-2.0,-2.0,1.0);return;}vec2 pattern_tl_a=pattern_from.xy;vec2 pattern_br_a=pattern_from.zw;vec2 pattern_tl_b=pattern_to.xy;vec2 pattern_br_b=pattern_to.zw;float tileZoomRatio=u_scale.x;float fromScale=u_scale.y;float toScale=u_scale.z;vec2 display_size_a=(pattern_br_a-pattern_tl_a)/pixel_ratio_from;vec2 display_size_b=(pattern_br_b-pattern_tl_b)/pixel_ratio_to;gl_Position=projectTile(a_pos+u_fill_translate,a_pos);v_pos_a=get_pattern_pos(u_pixel_coord_upper,u_pixel_coord_lower,fromScale*display_size_a,tileZoomRatio,a_pos);v_pos_b=get_pattern_pos(u_pixel_coord_upper,u_pixel_coord_lower,toScale*display_size_b,tileZoomRatio,a_pos);}`),fillExtrusion:Y(`in vec4 v_color;void main() {fragColor=v_color;
+#ifdef OVERDRAW_INSPECTOR
+fragColor=vec4(1.0);
+#endif
+}`,`uniform vec3 u_lightcolor;uniform lowp vec3 u_lightpos;uniform lowp vec3 u_lightpos_globe;uniform lowp float u_lightintensity;uniform float u_vertical_gradient;uniform lowp float u_opacity;uniform vec2 u_fill_translate;layout(location=0) in vec2 a_pos;layout(location=1) in ivec4 a_normal_ed;
+#ifdef TERRAIN3D
+layout(location=2) in vec2 a_centroid;
+#endif
+out vec4 v_color;
+#pragma maplibre: define highp float base
+#pragma maplibre: define highp float height
+#pragma maplibre: define highp vec4 color
+void main() {
+#pragma maplibre: initialize highp float base
+#pragma maplibre: initialize highp float height
+#pragma maplibre: initialize highp vec4 color
+vec3 normal=vec3(a_normal_ed.xyz);
+#ifdef TERRAIN3D
+float height_terrain3d_offset=get_elevation(a_centroid);float base_terrain3d_offset=height_terrain3d_offset-(base > 0.0 ? 0.0 : 10.0);
+#else
+float height_terrain3d_offset=0.0;float base_terrain3d_offset=0.0;
+#endif
+base=max(0.0,base)+base_terrain3d_offset;height=max(0.0,height)+height_terrain3d_offset;float t=float(a_normal_ed.x & 1);float elevation=t > 0.0 ? height : base;vec2 posInTile=a_pos+u_fill_translate;
+#ifdef GLOBE
+vec3 spherePos=projectToSphere(posInTile,a_pos);gl_Position=interpolateProjectionFor3D(posInTile,spherePos,elevation);
+#else
+gl_Position=u_projection_matrix*vec4(posInTile,elevation,1.0);
+#endif
+float colorvalue=color.r*0.2126+color.g*0.7152+color.b*0.0722;v_color=vec4(0.0,0.0,0.0,1.0);vec4 ambientlight=vec4(0.03,0.03,0.03,1.0);color+=ambientlight;vec3 normalForLighting=normal/16384.0;float directional=clamp(dot(normalForLighting,u_lightpos),0.0,1.0);
+#ifdef GLOBE
+mat3 rotMatrix=globeGetRotationMatrix(spherePos);normalForLighting=rotMatrix*normalForLighting;directional=mix(directional,clamp(dot(normalForLighting,u_lightpos_globe),0.0,1.0),u_projection_transition);
+#endif
+directional=mix((1.0-u_lightintensity),max((1.0-colorvalue+u_lightintensity),1.0),directional);if (normal.y !=0.0) {directional*=((1.0-u_vertical_gradient)+(u_vertical_gradient*clamp((t+base)*pow(height/150.0,0.5),mix(0.7,0.98,1.0-u_lightintensity),1.0)));}v_color.r+=clamp(color.r*directional*u_lightcolor.r,mix(0.0,0.3,1.0-u_lightcolor.r),1.0);v_color.g+=clamp(color.g*directional*u_lightcolor.g,mix(0.0,0.3,1.0-u_lightcolor.g),1.0);v_color.b+=clamp(color.b*directional*u_lightcolor.b,mix(0.0,0.3,1.0-u_lightcolor.b),1.0);v_color*=u_opacity;}`),fillExtrusionPattern:Y(`uniform vec2 u_texsize;uniform float u_fade;uniform sampler2D u_image;in vec2 v_pos_a;in vec2 v_pos_b;in vec4 v_lighting;
+#pragma maplibre: define lowp float base
+#pragma maplibre: define lowp float height
+#pragma maplibre: define lowp vec4 pattern_from
+#pragma maplibre: define lowp vec4 pattern_to
+#pragma maplibre: define lowp float pixel_ratio_from
+#pragma maplibre: define lowp float pixel_ratio_to
+void main() {
+#pragma maplibre: initialize lowp float base
+#pragma maplibre: initialize lowp float height
+#pragma maplibre: initialize mediump vec4 pattern_from
+#pragma maplibre: initialize mediump vec4 pattern_to
+#pragma maplibre: initialize lowp float pixel_ratio_from
+#pragma maplibre: initialize lowp float pixel_ratio_to
+vec2 pattern_tl_a=pattern_from.xy;vec2 pattern_br_a=pattern_from.zw;vec2 pattern_tl_b=pattern_to.xy;vec2 pattern_br_b=pattern_to.zw;vec2 imagecoord=mod(v_pos_a,1.0);vec2 pos=mix(pattern_tl_a/u_texsize,pattern_br_a/u_texsize,imagecoord);vec4 color1=texture(u_image,pos);vec2 imagecoord_b=mod(v_pos_b,1.0);vec2 pos2=mix(pattern_tl_b/u_texsize,pattern_br_b/u_texsize,imagecoord_b);vec4 color2=texture(u_image,pos2);vec4 mixedColor=mix(color1,color2,u_fade);fragColor=mixedColor*v_lighting;
+#ifdef OVERDRAW_INSPECTOR
+fragColor=vec4(1.0);
+#endif
+}`,`uniform vec2 u_pixel_coord_upper;uniform vec2 u_pixel_coord_lower;uniform float u_height_factor;uniform vec3 u_scale;uniform float u_vertical_gradient;uniform lowp float u_opacity;uniform vec2 u_fill_translate;uniform vec3 u_lightcolor;uniform lowp vec3 u_lightpos;uniform lowp vec3 u_lightpos_globe;uniform lowp float u_lightintensity;layout(location=0) in vec2 a_pos;layout(location=1) in ivec4 a_normal_ed;
+#ifdef TERRAIN3D
+layout(location=2) in vec2 a_centroid;
+#endif
+#ifdef GLOBE
+out vec3 v_sphere_pos;
+#endif
+out vec2 v_pos_a;out vec2 v_pos_b;out vec4 v_lighting;
+#pragma maplibre: define lowp float base
+#pragma maplibre: define lowp float height
+#pragma maplibre: define lowp vec4 pattern_from
+#pragma maplibre: define lowp vec4 pattern_to
+#pragma maplibre: define lowp float pixel_ratio_from
+#pragma maplibre: define lowp float pixel_ratio_to
+void main() {
+#pragma maplibre: initialize lowp float base
+#pragma maplibre: initialize lowp float height
+#pragma maplibre: initialize mediump vec4 pattern_from
+#pragma maplibre: initialize mediump vec4 pattern_to
+#pragma maplibre: initialize lowp float pixel_ratio_from
+#pragma maplibre: initialize lowp float pixel_ratio_to
+vec2 pattern_tl_a=pattern_from.xy;vec2 pattern_br_a=pattern_from.zw;vec2 pattern_tl_b=pattern_to.xy;vec2 pattern_br_b=pattern_to.zw;float tileRatio=u_scale.x;float fromScale=u_scale.y;float toScale=u_scale.z;vec3 normal=vec3(a_normal_ed.xyz);float edgedistance=float(a_normal_ed.w);vec2 display_size_a=(pattern_br_a-pattern_tl_a)/pixel_ratio_from;vec2 display_size_b=(pattern_br_b-pattern_tl_b)/pixel_ratio_to;
+#ifdef TERRAIN3D
+float height_terrain3d_offset=get_elevation(a_centroid);float base_terrain3d_offset=height_terrain3d_offset-(base > 0.0 ? 0.0 : 10.0);
+#else
+float height_terrain3d_offset=0.0;float base_terrain3d_offset=0.0;
+#endif
+base=max(0.0,base)+base_terrain3d_offset;height=max(0.0,height)+height_terrain3d_offset;float t=float(a_normal_ed.x & 1);float elevation=t > 0.0 ? height : base;vec2 posInTile=a_pos+u_fill_translate;
+#ifdef GLOBE
+vec3 spherePos=projectToSphere(posInTile,a_pos);vec3 elevatedPos=spherePos*(1.0+elevation/GLOBE_RADIUS);v_sphere_pos=elevatedPos;gl_Position=interpolateProjectionFor3D(posInTile,spherePos,elevation);
+#else
+gl_Position=u_projection_matrix*vec4(posInTile,elevation,1.0);
+#endif
+vec2 pos=a_normal_ed.x==1 && a_normal_ed.y==0 && a_normal_ed.z==16384
+? a_pos
+: vec2(edgedistance,elevation*u_height_factor);v_pos_a=get_pattern_pos(u_pixel_coord_upper,u_pixel_coord_lower,fromScale*display_size_a,tileRatio,pos);v_pos_b=get_pattern_pos(u_pixel_coord_upper,u_pixel_coord_lower,toScale*display_size_b,tileRatio,pos);v_lighting=vec4(0.0,0.0,0.0,1.0);float directional=clamp(dot(normal/16383.0,u_lightpos),0.0,1.0);directional=mix((1.0-u_lightintensity),max((0.5+u_lightintensity),1.0),directional);if (normal.y !=0.0) {directional*=((1.0-u_vertical_gradient)+(u_vertical_gradient*clamp((t+base)*pow(height/150.0,0.5),mix(0.7,0.98,1.0-u_lightintensity),1.0)));}v_lighting.rgb+=clamp(directional*u_lightcolor,mix(vec3(0.0),vec3(0.3),1.0-u_lightcolor),vec3(1.0));v_lighting*=u_opacity;}`),hillshadePrepare:Y(`#ifdef GL_ES
+precision highp float;
+#endif
+uniform sampler2D u_image;in vec2 v_pos;uniform vec2 u_dimension;uniform float u_zoom;uniform vec4 u_unpack;float getElevation(ivec2 texel) {vec4 data=texelFetch(u_image,texel,0)*255.0;data.a=-1.0;return dot(data,u_unpack);}void main() {ivec2 pos=ivec2(gl_FragCoord.xy)+ivec2(1);float tileSize=u_dimension.x-2.0;float a=getElevation(pos+ivec2(-1,-1));float b=getElevation(pos+ivec2(0,-1));float c=getElevation(pos+ivec2(1,-1));float d=getElevation(pos+ivec2(-1,0));float e=getElevation(pos);float f=getElevation(pos+ivec2(1,0));float g=getElevation(pos+ivec2(-1,1));float h=getElevation(pos+ivec2(0,1));float i=getElevation(pos+ivec2(1,1));float exaggerationFactor=u_zoom < 2.0 ? 0.4 : u_zoom < 4.5 ? 0.35 : 0.3;float exaggeration=u_zoom < 15.0 ? (u_zoom-15.0)*exaggerationFactor : 0.0;vec2 deriv=vec2((c+f+f+i)-(a+d+d+g),(g+h+h+i)-(a+b+b+c))*tileSize/pow(2.0,exaggeration+(28.2562-u_zoom));fragColor=clamp(vec4(deriv.x/8.0+0.5,deriv.y/8.0+0.5,1.0,1.0),0.0,1.0);
+#ifdef OVERDRAW_INSPECTOR
+fragColor=vec4(1.0);
+#endif
+}`,`uniform mat4 u_matrix;uniform vec2 u_dimension;layout(location=0) in vec2 a_pos;layout(location=1) in vec2 a_texture_pos;out vec2 v_pos;void main() {gl_Position=u_matrix*vec4(a_pos,0,1);highp vec2 epsilon=1.0/u_dimension;float scale=(u_dimension.x-2.0)/u_dimension.x;v_pos=(a_texture_pos/8192.0)*scale+epsilon;}`),hillshade:Y(`uniform sampler2D u_image;in vec2 v_pos;uniform vec2 u_latrange;uniform float u_exaggeration;uniform vec4 u_accent;uniform int u_method;uniform float u_altitudes[NUM_ILLUMINATION_SOURCES];uniform float u_azimuths[NUM_ILLUMINATION_SOURCES];uniform vec4 u_shadows[NUM_ILLUMINATION_SOURCES];uniform vec4 u_highlights[NUM_ILLUMINATION_SOURCES];
+#define PI 3.141592653589793
+#define STANDARD 0
+#define COMBINED 1
+#define IGOR 2
+#define MULTIDIRECTIONAL 3
+#define BASIC 4
+float get_aspect(vec2 deriv){return deriv.x !=0.0 ? atan(deriv.y,-deriv.x) : PI/2.0*(deriv.y > 0.0 ? 1.0 :-1.0);}void igor_hillshade(vec2 deriv){deriv=deriv*u_exaggeration*2.0;float aspect=get_aspect(deriv);float azimuth=u_azimuths[0]+PI;float slope_stength=atan(length(deriv))*2.0/PI;float aspect_strength=1.0-abs(mod((aspect+azimuth)/PI+0.5,2.0)-1.0);float shadow_strength=slope_stength*aspect_strength;float highlight_strength=slope_stength*(1.0-aspect_strength);fragColor=u_shadows[0]*shadow_strength+u_highlights[0]*highlight_strength;}void standard_hillshade(vec2 deriv){float azimuth=u_azimuths[0]+PI;float slope=atan(0.625*length(deriv));float aspect=get_aspect(deriv);float intensity=u_exaggeration;float base=1.875-intensity*1.75;float maxValue=0.5*PI;float scaledSlope=intensity !=0.5 ? ((pow(base,slope)-1.0)/(pow(base,maxValue)-1.0))*maxValue : slope;float accent=cos(scaledSlope);vec4 accent_color=(1.0-accent)*u_accent*clamp(intensity*2.0,0.0,1.0);float shade=abs(mod((aspect+azimuth)/PI+0.5,2.0)-1.0);vec4 shade_color=mix(u_shadows[0],u_highlights[0],shade)*sin(scaledSlope)*clamp(intensity*2.0,0.0,1.0);fragColor=accent_color*(1.0-shade_color.a)+shade_color;}void basic_hillshade(vec2 deriv){deriv=deriv*u_exaggeration*2.0;float azimuth=u_azimuths[0]+PI;float cos_az=cos(azimuth);float sin_az=sin(azimuth);float cos_alt=cos(u_altitudes[0]);float sin_alt=sin(u_altitudes[0]);float cang=(sin_alt-(deriv.y*cos_az*cos_alt-deriv.x*sin_az*cos_alt))/sqrt(1.0+dot(deriv,deriv));float shade=clamp(cang,0.0,1.0);if(shade > 0.5){fragColor=u_highlights[0]*(2.0*shade-1.0);}else
+{fragColor=u_shadows[0]*(1.0-2.0*shade);}}void multidirectional_hillshade(vec2 deriv){deriv=deriv*u_exaggeration*2.0;fragColor=vec4(0,0,0,0);for(int i=0; i < NUM_ILLUMINATION_SOURCES; i++){float cos_alt=cos(u_altitudes[i]);float sin_alt=sin(u_altitudes[i]);float cos_az=-cos(u_azimuths[i]);float sin_az=-sin(u_azimuths[i]);float cang=(sin_alt-(deriv.y*cos_az*cos_alt-deriv.x*sin_az*cos_alt))/sqrt(1.0+dot(deriv,deriv));float shade=clamp(cang,0.0,1.0);if(shade > 0.5){fragColor+=u_highlights[i]*(2.0*shade-1.0)/float(NUM_ILLUMINATION_SOURCES);}else
+{fragColor+=u_shadows[i]*(1.0-2.0*shade)/float(NUM_ILLUMINATION_SOURCES);}}}void combined_hillshade(vec2 deriv){deriv=deriv*u_exaggeration*2.0;float azimuth=u_azimuths[0]+PI;float cos_az=cos(azimuth);float sin_az=sin(azimuth);float cos_alt=cos(u_altitudes[0]);float sin_alt=sin(u_altitudes[0]);float cang=acos((sin_alt-(deriv.y*cos_az*cos_alt-deriv.x*sin_az*cos_alt))/sqrt(1.0+dot(deriv,deriv)));cang=clamp(cang,0.0,PI/2.0);float shade=cang*atan(length(deriv))*4.0/PI/PI;float highlight=(PI/2.0-cang)*atan(length(deriv))*4.0/PI/PI;fragColor=u_shadows[0]*shade+u_highlights[0]*highlight;}void main() {vec4 pixel=texture(u_image,v_pos);float scaleFactor=cos(radians((u_latrange[0]-u_latrange[1])*(1.0-v_pos.y)+u_latrange[1]));vec2 deriv=((pixel.rg*8.0)-4.0)/scaleFactor;if (u_method==BASIC) {basic_hillshade(deriv);} else if (u_method==COMBINED) {combined_hillshade(deriv);} else if (u_method==IGOR) {igor_hillshade(deriv);} else if (u_method==MULTIDIRECTIONAL) {multidirectional_hillshade(deriv);} else if (u_method==STANDARD) {standard_hillshade(deriv);} else {standard_hillshade(deriv);}
+#ifdef OVERDRAW_INSPECTOR
+fragColor=vec4(1.0);
+#endif
+}`,`uniform mat4 u_matrix;layout(location=0) in vec2 a_pos;out vec2 v_pos;void main() {gl_Position=projectTile(a_pos,a_pos);v_pos=a_pos/8192.0;if (a_pos.y <-32767.5) {v_pos.y=0.0;}if (a_pos.y > 32766.5) {v_pos.y=1.0;}}`),line:Y(`uniform lowp float u_device_pixel_ratio;flat in vec2 v_width2;in vec2 v_normal;in float v_gamma_scale;
+#ifdef GLOBE
+in float v_depth;
+#endif
+#pragma maplibre: define highp vec4 color
+#pragma maplibre: define lowp float blur
+#pragma maplibre: define lowp float opacity
+void main() {
+#pragma maplibre: initialize highp vec4 color
+#pragma maplibre: initialize lowp float blur
+#pragma maplibre: initialize lowp float opacity
+clipAntimeridian();float dist=length(v_normal)*v_width2.s;float blur2=(blur+1.0/u_device_pixel_ratio)*v_gamma_scale;float alpha=clamp(min(dist-(v_width2.t-blur2),v_width2.s-dist)/blur2,0.0,1.0);fragColor=color*(alpha*opacity);
+#ifdef GLOBE
+if (v_depth > 1.0) {discard;}
+#endif
+#ifdef OVERDRAW_INSPECTOR
+fragColor=vec4(1.0);
+#endif
+}`,`
+#define scale 0.015873016
+layout(location=0) in ivec2 a_pos_normal;layout(location=1) in uvec4 a_data;uniform vec2 u_translation;uniform mediump float u_ratio;uniform vec2 u_units_to_pixels;uniform lowp float u_device_pixel_ratio;out vec2 v_normal;flat out vec2 v_width2;out float v_gamma_scale;out highp float v_linesofar;
+#ifdef GLOBE
+out float v_depth;
+#endif
+#pragma maplibre: define highp vec4 color
+#pragma maplibre: define lowp float blur
+#pragma maplibre: define lowp float opacity
+#pragma maplibre: define mediump float gapwidth
+#pragma maplibre: define lowp float offset
+#pragma maplibre: define mediump float width
+void main() {
+#pragma maplibre: initialize highp vec4 color
+#pragma maplibre: initialize lowp float blur
+#pragma maplibre: initialize lowp float opacity
+#pragma maplibre: initialize mediump float gapwidth
+#pragma maplibre: initialize lowp float offset
+#pragma maplibre: initialize mediump float width
+if (opacity < 0.01) {gl_Position=vec4(-2.0,-2.0,-2.0,1.0);return;}float ANTIALIASING=1.0/u_device_pixel_ratio/2.0;vec2 a_extrude=vec2(ivec2(a_data.xy)-128);float a_direction=float(int(a_data.z & 3u)-1);v_linesofar=float((a_data.z >> 2u)+a_data.w*64u)*2.0;vec2 pos=vec2(a_pos_normal >> 1);mediump vec2 normal=vec2(a_pos_normal & 1);normal.y=normal.y*2.0-1.0;v_normal=normal;gapwidth=gapwidth/2.0;float halfwidth=width/2.0;offset=-1.0*offset;float inset=gapwidth+(gapwidth > 0.0 ? ANTIALIASING : 0.0);float outset=gapwidth+halfwidth*(gapwidth > 0.0 ? 2.0 : 1.0)+(halfwidth==0.0 ? 0.0 : ANTIALIASING);mediump vec2 dist=outset*a_extrude*scale;mediump float u=0.5*a_direction;mediump float t=1.0-abs(u);mediump vec2 offset2=offset*a_extrude*scale*normal.y*mat2(t,-u,u,t);float adjustedThickness=projectLineThickness(pos.y);vec4 projected_no_extrude=projectTile(pos+offset2/u_ratio*adjustedThickness+u_translation);vec4 projected_with_extrude=projectTile(pos+offset2/u_ratio*adjustedThickness+u_translation+dist/u_ratio*adjustedThickness);gl_Position=projected_with_extrude;
+#ifdef GLOBE
+v_depth=gl_Position.z/gl_Position.w;
+#endif
+#ifdef TERRAIN3D
+v_gamma_scale=1.0;
+#else
+float extrude_length_without_perspective=length(dist);float extrude_length_with_perspective=length((projected_with_extrude.xy-projected_no_extrude.xy)/projected_with_extrude.w*u_units_to_pixels);v_gamma_scale=extrude_length_without_perspective/extrude_length_with_perspective;
+#endif
+v_width2=vec2(outset,inset);}`),lineGradient:Y(`uniform lowp float u_device_pixel_ratio;uniform sampler2D u_image;flat in vec2 v_width2;in vec2 v_normal;in float v_gamma_scale;in highp vec2 v_uv;
+#ifdef GLOBE
+in float v_depth;
+#endif
+#pragma maplibre: define lowp float blur
+#pragma maplibre: define lowp float opacity
+void main() {
+#pragma maplibre: initialize lowp float blur
+#pragma maplibre: initialize lowp float opacity
+clipAntimeridian();float dist=length(v_normal)*v_width2.s;float blur2=(blur+1.0/u_device_pixel_ratio)*v_gamma_scale;float alpha=clamp(min(dist-(v_width2.t-blur2),v_width2.s-dist)/blur2,0.0,1.0);vec4 color=texture(u_image,v_uv);fragColor=color*(alpha*opacity);
+#ifdef GLOBE
+if (v_depth > 1.0) {discard;}
+#endif
+#ifdef OVERDRAW_INSPECTOR
+fragColor=vec4(1.0);
+#endif
+}`,`
+#define scale 0.015873016
+layout(location=0) in ivec2 a_pos_normal;layout(location=1) in uvec4 a_data;layout(location=2) in float a_uv_x;layout(location=3) in float a_split_index;uniform vec2 u_translation;uniform mediump float u_ratio;uniform lowp float u_device_pixel_ratio;uniform vec2 u_units_to_pixels;uniform float u_image_height;out vec2 v_normal;flat out vec2 v_width2;out float v_gamma_scale;out highp vec2 v_uv;
+#ifdef GLOBE
+out float v_depth;
+#endif
+#pragma maplibre: define lowp float blur
+#pragma maplibre: define lowp float opacity
+#pragma maplibre: define mediump float gapwidth
+#pragma maplibre: define lowp float offset
+#pragma maplibre: define mediump float width
+void main() {
+#pragma maplibre: initialize lowp float blur
+#pragma maplibre: initialize lowp float opacity
+#pragma maplibre: initialize mediump float gapwidth
+#pragma maplibre: initialize lowp float offset
+#pragma maplibre: initialize mediump float width
+if (opacity < 0.01) {gl_Position=vec4(-2.0,-2.0,-2.0,1.0);return;}float ANTIALIASING=1.0/u_device_pixel_ratio/2.0;vec2 a_extrude=vec2(ivec2(a_data.xy)-128);float a_direction=float(int(a_data.z & 3u)-1);highp float texel_height=1.0/u_image_height;highp float half_texel_height=0.5*texel_height;v_uv=vec2(a_uv_x,a_split_index*texel_height-half_texel_height);vec2 pos=vec2(a_pos_normal >> 1);mediump vec2 normal=vec2(a_pos_normal & 1);normal.y=normal.y*2.0-1.0;v_normal=normal;gapwidth=gapwidth/2.0;float halfwidth=width/2.0;offset=-1.0*offset;float inset=gapwidth+(gapwidth > 0.0 ? ANTIALIASING : 0.0);float outset=gapwidth+halfwidth*(gapwidth > 0.0 ? 2.0 : 1.0)+(halfwidth==0.0 ? 0.0 : ANTIALIASING);mediump vec2 dist=outset*a_extrude*scale;mediump float u=0.5*a_direction;mediump float t=1.0-abs(u);mediump vec2 offset2=offset*a_extrude*scale*normal.y*mat2(t,-u,u,t);float adjustedThickness=projectLineThickness(pos.y);vec4 projected_no_extrude=projectTile(pos+offset2/u_ratio*adjustedThickness+u_translation);vec4 projected_with_extrude=projectTile(pos+offset2/u_ratio*adjustedThickness+u_translation+dist/u_ratio*adjustedThickness);gl_Position=projected_with_extrude;
+#ifdef GLOBE
+v_depth=gl_Position.z/gl_Position.w;
+#endif
+#ifdef TERRAIN3D
+v_gamma_scale=1.0;
+#else
+float extrude_length_without_perspective=length(dist);float extrude_length_with_perspective=length((projected_with_extrude.xy-projected_no_extrude.xy)/projected_with_extrude.w*u_units_to_pixels);v_gamma_scale=extrude_length_without_perspective/extrude_length_with_perspective;
+#endif
+v_width2=vec2(outset,inset);}`),linePattern:Y(`#ifdef GL_ES
+precision highp float;
+#endif
+uniform lowp float u_device_pixel_ratio;uniform vec2 u_texsize;uniform float u_fade;uniform mediump vec3 u_scale;uniform sampler2D u_image;in vec2 v_normal;flat in vec2 v_width2;in float v_linesofar;in float v_gamma_scale;flat in float v_width;
+#ifdef GLOBE
+in float v_depth;
+#endif
+#pragma maplibre: define lowp vec4 pattern_from
+#pragma maplibre: define lowp vec4 pattern_to
+#pragma maplibre: define lowp float pixel_ratio_from
+#pragma maplibre: define lowp float pixel_ratio_to
+#pragma maplibre: define lowp float blur
+#pragma maplibre: define lowp float opacity
+void main() {
+#pragma maplibre: initialize mediump vec4 pattern_from
+#pragma maplibre: initialize mediump vec4 pattern_to
+#pragma maplibre: initialize lowp float pixel_ratio_from
+#pragma maplibre: initialize lowp float pixel_ratio_to
+#pragma maplibre: initialize lowp float blur
+#pragma maplibre: initialize lowp float opacity
+clipAntimeridian();vec2 pattern_tl_a=pattern_from.xy;vec2 pattern_br_a=pattern_from.zw;vec2 pattern_tl_b=pattern_to.xy;vec2 pattern_br_b=pattern_to.zw;float tileZoomRatio=u_scale.x;float fromScale=u_scale.y;float toScale=u_scale.z;vec2 display_size_a=(pattern_br_a-pattern_tl_a)/pixel_ratio_from;vec2 display_size_b=(pattern_br_b-pattern_tl_b)/pixel_ratio_to;vec2 pattern_size_a=vec2(display_size_a.x*fromScale/tileZoomRatio,display_size_a.y);vec2 pattern_size_b=vec2(display_size_b.x*toScale/tileZoomRatio,display_size_b.y);float aspect_a=display_size_a.y/v_width;float aspect_b=display_size_b.y/v_width;float dist=length(v_normal)*v_width2.s;float blur2=(blur+1.0/u_device_pixel_ratio)*v_gamma_scale;float alpha=clamp(min(dist-(v_width2.t-blur2),v_width2.s-dist)/blur2,0.0,1.0);float x_a=mod(v_linesofar/pattern_size_a.x*aspect_a,1.0);float x_b=mod(v_linesofar/pattern_size_b.x*aspect_b,1.0);float y=0.5*v_normal.y+0.5;vec2 texel_size=1.0/u_texsize;vec2 pos_a=mix(pattern_tl_a*texel_size-texel_size,pattern_br_a*texel_size+texel_size,vec2(x_a,y));vec2 pos_b=mix(pattern_tl_b*texel_size-texel_size,pattern_br_b*texel_size+texel_size,vec2(x_b,y));vec4 color=mix(texture(u_image,pos_a),texture(u_image,pos_b),u_fade);fragColor=color*alpha*opacity;
+#ifdef GLOBE
+if (v_depth > 1.0) {discard;}
+#endif
+#ifdef OVERDRAW_INSPECTOR
+fragColor=vec4(1.0);
+#endif
+}`,`
+#define scale 0.015873016
+#define LINE_DISTANCE_SCALE 2.0
+layout(location=0) in ivec2 a_pos_normal;layout(location=1) in uvec4 a_data;uniform vec2 u_translation;uniform vec2 u_units_to_pixels;uniform mediump float u_ratio;uniform lowp float u_device_pixel_ratio;out vec2 v_normal;flat out vec2 v_width2;out float v_linesofar;out float v_gamma_scale;flat out float v_width;
+#ifdef GLOBE
+out float v_depth;
+#endif
+#pragma maplibre: define lowp float blur
+#pragma maplibre: define lowp float opacity
+#pragma maplibre: define lowp float offset
+#pragma maplibre: define mediump float gapwidth
+#pragma maplibre: define mediump float width
+#pragma maplibre: define lowp float floorwidth
+#pragma maplibre: define lowp vec4 pattern_from
+#pragma maplibre: define lowp vec4 pattern_to
+#pragma maplibre: define lowp float pixel_ratio_from
+#pragma maplibre: define lowp float pixel_ratio_to
+void main() {
+#pragma maplibre: initialize lowp float blur
+#pragma maplibre: initialize lowp float opacity
+#pragma maplibre: initialize lowp float offset
+#pragma maplibre: initialize mediump float gapwidth
+#pragma maplibre: initialize mediump float width
+#pragma maplibre: initialize lowp float floorwidth
+#pragma maplibre: initialize mediump vec4 pattern_from
+#pragma maplibre: initialize mediump vec4 pattern_to
+#pragma maplibre: initialize lowp float pixel_ratio_from
+#pragma maplibre: initialize lowp float pixel_ratio_to
+if (opacity < 0.01) {gl_Position=vec4(-2.0,-2.0,-2.0,1.0);return;}float ANTIALIASING=1.0/u_device_pixel_ratio/2.0;vec2 a_extrude=vec2(ivec2(a_data.xy)-128);float a_direction=float(int(a_data.z & 3u)-1);float a_linesofar=float((a_data.z >> 2u)+a_data.w*64u)*LINE_DISTANCE_SCALE;vec2 pos=vec2(a_pos_normal >> 1);mediump vec2 normal=vec2(a_pos_normal & 1);normal.y=normal.y*2.0-1.0;v_normal=normal;gapwidth=gapwidth/2.0;float halfwidth=width/2.0;offset=-1.0*offset;float inset=gapwidth+(gapwidth > 0.0 ? ANTIALIASING : 0.0);float outset=gapwidth+halfwidth*(gapwidth > 0.0 ? 2.0 : 1.0)+(halfwidth==0.0 ? 0.0 : ANTIALIASING);mediump vec2 dist=outset*a_extrude*scale;mediump float u=0.5*a_direction;mediump float t=1.0-abs(u);mediump vec2 offset2=offset*a_extrude*scale*normal.y*mat2(t,-u,u,t);float adjustedThickness=projectLineThickness(pos.y);vec4 projected_no_extrude=projectTile(pos+offset2/u_ratio*adjustedThickness+u_translation);vec4 projected_with_extrude=projectTile(pos+offset2/u_ratio*adjustedThickness+u_translation+dist/u_ratio*adjustedThickness);gl_Position=projected_with_extrude;
+#ifdef GLOBE
+v_depth=gl_Position.z/gl_Position.w;
+#endif
+#ifdef TERRAIN3D
+v_gamma_scale=1.0;
+#else
+float extrude_length_without_perspective=length(dist);float extrude_length_with_perspective=length((projected_with_extrude.xy-projected_no_extrude.xy)/projected_with_extrude.w*u_units_to_pixels);v_gamma_scale=extrude_length_without_perspective/extrude_length_with_perspective;
+#endif
+v_linesofar=a_linesofar;v_width2=vec2(outset,inset);v_width=floorwidth;}`),lineSDF:Y(`uniform lowp float u_device_pixel_ratio;uniform lowp float u_lineatlas_width;uniform sampler2D u_image;uniform float u_mix;in vec2 v_normal;flat in vec2 v_width2;in vec2 v_tex_a;in vec2 v_tex_b;in float v_gamma_scale;
+#ifdef GLOBE
+in float v_depth;
+#endif
+#pragma maplibre: define highp vec4 color
+#pragma maplibre: define lowp float blur
+#pragma maplibre: define lowp float opacity
+#pragma maplibre: define mediump float width
+#pragma maplibre: define lowp float floorwidth
+#pragma maplibre: define mediump vec4 dasharray_from
+#pragma maplibre: define mediump vec4 dasharray_to
+void main() {
+#pragma maplibre: initialize highp vec4 color
+#pragma maplibre: initialize lowp float blur
+#pragma maplibre: initialize lowp float opacity
+#pragma maplibre: initialize mediump float width
+#pragma maplibre: initialize lowp float floorwidth
+#pragma maplibre: initialize mediump vec4 dasharray_from
+#pragma maplibre: initialize mediump vec4 dasharray_to
+clipAntimeridian();float dist=length(v_normal)*v_width2.s;float blur2=(blur+1.0/u_device_pixel_ratio)*v_gamma_scale;float alpha=clamp(min(dist-(v_width2.t-blur2),v_width2.s-dist)/blur2,0.0,1.0);float sdfdist_a=texture(u_image,v_tex_a).a;float sdfdist_b=texture(u_image,v_tex_b).a;float sdfdist=mix(sdfdist_a,sdfdist_b,u_mix);float sdfgamma=(u_lineatlas_width/256.0/u_device_pixel_ratio)/min(dasharray_from.w,dasharray_to.w);alpha*=smoothstep(0.5-sdfgamma/floorwidth,0.5+sdfgamma/floorwidth,sdfdist);fragColor=color*(alpha*opacity);
+#ifdef GLOBE
+if (v_depth > 1.0) {discard;}
+#endif
+#ifdef OVERDRAW_INSPECTOR
+fragColor=vec4(1.0);
+#endif
+}`,`
+#define scale 0.015873016
+#define LINE_DISTANCE_SCALE 2.0
+layout(location=0) in ivec2 a_pos_normal;layout(location=1) in uvec4 a_data;uniform vec2 u_translation;uniform mediump float u_ratio;uniform lowp float u_device_pixel_ratio;uniform vec2 u_units_to_pixels;uniform float u_tileratio;uniform float u_crossfade_from;uniform float u_crossfade_to;uniform float u_lineatlas_height;out vec2 v_normal;flat out vec2 v_width2;out vec2 v_tex_a;out vec2 v_tex_b;out float v_gamma_scale;
+#ifdef GLOBE
+out float v_depth;
+#endif
+#pragma maplibre: define highp vec4 color
+#pragma maplibre: define lowp float blur
+#pragma maplibre: define lowp float opacity
+#pragma maplibre: define mediump float gapwidth
+#pragma maplibre: define lowp float offset
+#pragma maplibre: define mediump float width
+#pragma maplibre: define lowp float floorwidth
+#pragma maplibre: define mediump vec4 dasharray_from
+#pragma maplibre: define mediump vec4 dasharray_to
+void main() {
+#pragma maplibre: initialize highp vec4 color
+#pragma maplibre: initialize lowp float blur
+#pragma maplibre: initialize lowp float opacity
+#pragma maplibre: initialize mediump float gapwidth
+#pragma maplibre: initialize lowp float offset
+#pragma maplibre: initialize mediump float width
+#pragma maplibre: initialize lowp float floorwidth
+#pragma maplibre: initialize mediump vec4 dasharray_from
+#pragma maplibre: initialize mediump vec4 dasharray_to
+if (opacity < 0.01) {gl_Position=vec4(-2.0,-2.0,-2.0,1.0);return;}float ANTIALIASING=1.0/u_device_pixel_ratio/2.0;vec2 a_extrude=vec2(ivec2(a_data.xy)-128);float a_direction=float(int(a_data.z & 3u)-1);float a_linesofar=float((a_data.z >> 2u)+a_data.w*64u)*LINE_DISTANCE_SCALE;vec2 pos=vec2(a_pos_normal >> 1);mediump vec2 normal=vec2(a_pos_normal & 1);normal.y=normal.y*2.0-1.0;v_normal=normal;gapwidth=gapwidth/2.0;float halfwidth=width/2.0;offset=-1.0*offset;float inset=gapwidth+(gapwidth > 0.0 ? ANTIALIASING : 0.0);float outset=gapwidth+halfwidth*(gapwidth > 0.0 ? 2.0 : 1.0)+(halfwidth==0.0 ? 0.0 : ANTIALIASING);mediump vec2 dist=outset*a_extrude*scale;mediump float u=0.5*a_direction;mediump float t=1.0-abs(u);mediump vec2 offset2=offset*a_extrude*scale*normal.y*mat2(t,-u,u,t);float adjustedThickness=projectLineThickness(pos.y);vec4 projected_no_extrude=projectTile(pos+offset2/u_ratio*adjustedThickness+u_translation);vec4 projected_with_extrude=projectTile(pos+offset2/u_ratio*adjustedThickness+u_translation+dist/u_ratio*adjustedThickness);gl_Position=projected_with_extrude;
+#ifdef GLOBE
+v_depth=gl_Position.z/gl_Position.w;
+#endif
+#ifdef TERRAIN3D
+v_gamma_scale=1.0;
+#else
+float extrude_length_without_perspective=length(dist);float extrude_length_with_perspective=length((projected_with_extrude.xy-projected_no_extrude.xy)/projected_with_extrude.w*u_units_to_pixels);v_gamma_scale=extrude_length_without_perspective/extrude_length_with_perspective;
+#endif
+float u_patternscale_a_x=u_tileratio/dasharray_from.w/u_crossfade_from;float u_patternscale_a_y=-dasharray_from.z/2.0/u_lineatlas_height;float u_patternscale_b_x=u_tileratio/dasharray_to.w/u_crossfade_to;float u_patternscale_b_y=-dasharray_to.z/2.0/u_lineatlas_height;v_tex_a=vec2(a_linesofar*u_patternscale_a_x/floorwidth,normal.y*u_patternscale_a_y+(float(dasharray_from.y)+0.5)/u_lineatlas_height);v_tex_b=vec2(a_linesofar*u_patternscale_b_x/floorwidth,normal.y*u_patternscale_b_y+(float(dasharray_to.y)+0.5)/u_lineatlas_height);v_width2=vec2(outset,inset);}`),lineGradientSDF:Y(`uniform lowp float u_device_pixel_ratio;uniform sampler2D u_image;uniform sampler2D u_image_dash;uniform float u_mix;uniform lowp float u_lineatlas_width;in vec2 v_normal;flat in vec2 v_width2;in vec2 v_tex_a;in vec2 v_tex_b;in float v_gamma_scale;in highp vec2 v_uv;
+#ifdef GLOBE
+in float v_depth;
+#endif
+#pragma maplibre: define lowp float blur
+#pragma maplibre: define lowp float opacity
+#pragma maplibre: define mediump float width
+#pragma maplibre: define lowp float floorwidth
+#pragma maplibre: define mediump vec4 dasharray_from
+#pragma maplibre: define mediump vec4 dasharray_to
+void main() {
+#pragma maplibre: initialize lowp float blur
+#pragma maplibre: initialize lowp float opacity
+#pragma maplibre: initialize mediump float width
+#pragma maplibre: initialize lowp float floorwidth
+#pragma maplibre: initialize mediump vec4 dasharray_from
+#pragma maplibre: initialize mediump vec4 dasharray_to
+clipAntimeridian();float dist=length(v_normal)*v_width2.s;float blur2=(blur+1.0/u_device_pixel_ratio)*v_gamma_scale;float alpha=clamp(min(dist-(v_width2.t-blur2),v_width2.s-dist)/blur2,0.0,1.0);vec4 color=texture(u_image,v_uv);float sdfdist_a=texture(u_image_dash,v_tex_a).a;float sdfdist_b=texture(u_image_dash,v_tex_b).a;float sdfdist=mix(sdfdist_a,sdfdist_b,u_mix);float sdfgamma=(u_lineatlas_width/256.0)/min(dasharray_from.w,dasharray_to.w);float dash_alpha=smoothstep(0.5-sdfgamma/floorwidth,0.5+sdfgamma/floorwidth,sdfdist);fragColor=color*(alpha*dash_alpha*opacity);
+#ifdef GLOBE
+if (v_depth > 1.0) {discard;}
+#endif
+#ifdef OVERDRAW_INSPECTOR
+fragColor=vec4(1.0);
+#endif
+}`,`
+#define scale 0.015873016
+#define LINE_DISTANCE_SCALE 2.0
+layout(location=0) in ivec2 a_pos_normal;layout(location=1) in uvec4 a_data;layout(location=2) in float a_uv_x;layout(location=3) in float a_split_index;uniform vec2 u_translation;uniform mediump float u_ratio;uniform lowp float u_device_pixel_ratio;uniform vec2 u_units_to_pixels;uniform float u_image_height;uniform float u_tileratio;uniform float u_crossfade_from;uniform float u_crossfade_to;uniform float u_lineatlas_height;out vec2 v_normal;flat out vec2 v_width2;out float v_gamma_scale;out highp vec2 v_uv;out vec2 v_tex_a;out vec2 v_tex_b;
+#ifdef GLOBE
+out float v_depth;
+#endif
+#pragma maplibre: define lowp float blur
+#pragma maplibre: define lowp float opacity
+#pragma maplibre: define mediump float gapwidth
+#pragma maplibre: define lowp float offset
+#pragma maplibre: define mediump float width
+#pragma maplibre: define lowp float floorwidth
+#pragma maplibre: define mediump vec4 dasharray_from
+#pragma maplibre: define mediump vec4 dasharray_to
+void main() {
+#pragma maplibre: initialize lowp float blur
+#pragma maplibre: initialize lowp float opacity
+#pragma maplibre: initialize mediump float gapwidth
+#pragma maplibre: initialize lowp float offset
+#pragma maplibre: initialize mediump float width
+#pragma maplibre: initialize lowp float floorwidth
+#pragma maplibre: initialize mediump vec4 dasharray_from
+#pragma maplibre: initialize mediump vec4 dasharray_to
+if (opacity < 0.01) {gl_Position=vec4(-2.0,-2.0,-2.0,1.0);return;}float ANTIALIASING=1.0/u_device_pixel_ratio/2.0;vec2 a_extrude=vec2(ivec2(a_data.xy)-128);float a_direction=float(int(a_data.z & 3u)-1);float a_linesofar=float((a_data.z >> 2u)+a_data.w*64u)*LINE_DISTANCE_SCALE;float texel_height=1.0/u_image_height;float half_texel_height=0.5*texel_height;v_uv=vec2(a_uv_x,a_split_index*texel_height-half_texel_height);vec2 pos=vec2(a_pos_normal >> 1);mediump vec2 normal=vec2(a_pos_normal & 1);normal.y=normal.y*2.0-1.0;v_normal=normal;gapwidth=gapwidth/2.0;float halfwidth=width/2.0;offset=-1.0*offset;float inset=gapwidth+(gapwidth > 0.0 ? ANTIALIASING : 0.0);float outset=gapwidth+halfwidth*(gapwidth > 0.0 ? 2.0 : 1.0)+(halfwidth==0.0 ? 0.0 : ANTIALIASING);mediump vec2 dist=outset*a_extrude*scale;mediump float u=0.5*a_direction;mediump float t=1.0-abs(u);mediump vec2 offset2=offset*a_extrude*scale*normal.y*mat2(t,-u,u,t);float adjustedThickness=projectLineThickness(pos.y);vec4 projected_no_extrude=projectTile(pos+offset2/u_ratio*adjustedThickness+u_translation);vec4 projected_with_extrude=projectTile(pos+offset2/u_ratio*adjustedThickness+u_translation+dist/u_ratio*adjustedThickness);gl_Position=projected_with_extrude;
+#ifdef GLOBE
+v_depth=gl_Position.z/gl_Position.w;
+#endif
+#ifdef TERRAIN3D
+v_gamma_scale=1.0;
+#else
+float extrude_length_without_perspective=length(dist);float extrude_length_with_perspective=length((projected_with_extrude.xy-projected_no_extrude.xy)/projected_with_extrude.w*u_units_to_pixels);v_gamma_scale=extrude_length_without_perspective/extrude_length_with_perspective;
+#endif
+float u_patternscale_a_x=u_tileratio/dasharray_from.w/u_crossfade_from;float u_patternscale_a_y=-dasharray_from.z/2.0/u_lineatlas_height;float u_patternscale_b_x=u_tileratio/dasharray_to.w/u_crossfade_to;float u_patternscale_b_y=-dasharray_to.z/2.0/u_lineatlas_height;v_tex_a=vec2(a_linesofar*u_patternscale_a_x/floorwidth,normal.y*u_patternscale_a_y+(float(dasharray_from.y)+0.5)/u_lineatlas_height);v_tex_b=vec2(a_linesofar*u_patternscale_b_x/floorwidth,normal.y*u_patternscale_b_y+(float(dasharray_to.y)+0.5)/u_lineatlas_height);v_width2=vec2(outset,inset);}`),layerOpacity:Y(`uniform sampler2D u_image;uniform float u_opacity;in vec2 v_pos;void main() {fragColor=texture(u_image,v_pos)*u_opacity;
+#ifdef OVERDRAW_INSPECTOR
+fragColor=vec4(0.0);
+#endif
+}`,`layout(location=0) in vec2 a_pos;out vec2 v_pos;void main() {gl_Position=vec4(a_pos.x*2.0-1.0,1.0-a_pos.y*2.0,0.0,1.0);v_pos.x=a_pos.x;v_pos.y=1.0-a_pos.y;}`),raster:Y(`uniform float u_fade_t;uniform float u_opacity;uniform sampler2D u_image0;uniform sampler2D u_image1;in vec3 v_pos0;in vec3 v_pos1;uniform float u_brightness_low;uniform float u_brightness_high;uniform float u_saturation_factor;uniform float u_contrast_factor;uniform vec3 u_spin_weights;void main() {vec4 color0=texture(u_image0,v_pos0.xy/v_pos0.z);vec4 color1=texture(u_image1,v_pos1.xy/v_pos1.z);if (color0.a > 0.0) {color0.rgb=color0.rgb/color0.a;}if (color1.a > 0.0) {color1.rgb=color1.rgb/color1.a;}vec4 color=mix(color0,color1,u_fade_t);color.a*=u_opacity;vec3 rgb=color.rgb;rgb=vec3(dot(rgb,u_spin_weights.xyz),dot(rgb,u_spin_weights.zxy),dot(rgb,u_spin_weights.yzx));float average=(color.r+color.g+color.b)/3.0;rgb+=(average-rgb)*u_saturation_factor;rgb=(rgb-0.5)*u_contrast_factor+0.5;vec3 u_high_vec=vec3(u_brightness_low,u_brightness_low,u_brightness_low);vec3 u_low_vec=vec3(u_brightness_high,u_brightness_high,u_brightness_high);fragColor=vec4(mix(u_high_vec,u_low_vec,rgb)*color.a,color.a);
+#ifdef OVERDRAW_INSPECTOR
+fragColor=vec4(1.0);
+#endif
+}`,`uniform vec2 u_tl_parent;uniform float u_scale_parent;uniform float u_buffer_scale;uniform vec3 u_image_warp;uniform vec4 u_coords_top;uniform vec4 u_coords_bottom;layout(location=0) in vec2 a_pos;out vec3 v_pos0;out vec3 v_pos1;void main() {vec2 fractionalPos=a_pos/8192.0;vec2 topLeft=u_coords_top.xy;vec2 topRight=u_coords_top.zw;vec2 bottomLeft=u_coords_bottom.xy;vec2 bottomRight=u_coords_bottom.zw;vec2 bilinearPos=mix(mix(topLeft,topRight,fractionalPos.x),mix(bottomLeft,bottomRight,fractionalPos.x),fractionalPos.y);float denominator=dot(u_image_warp.xy,fractionalPos)+1.0;vec2 acrossTop=topRight-topLeft+u_image_warp.x*topRight;vec2 downLeft=bottomLeft-topLeft+u_image_warp.y*bottomLeft;vec2 projectivePos=(acrossTop*fractionalPos.x+downLeft*fractionalPos.y+topLeft)/denominator;vec2 position=mix(projectivePos,bilinearPos,u_image_warp.z);gl_Position=projectTile(position,position);vec2 texturePos=((fractionalPos-0.5)/u_buffer_scale)+0.5;
+#ifdef GLOBE
+if (a_pos.y <-32767.5) {texturePos.y=0.0;}if (a_pos.y > 32766.5) {texturePos.y=1.0;}
+#endif
+float perspectiveRatio=mix(1.0/denominator,1.0,u_image_warp.z);v_pos0=vec3(texturePos*perspectiveRatio,perspectiveRatio);vec2 parentPos=(texturePos*u_scale_parent)+u_tl_parent;v_pos1=vec3(parentPos*perspectiveRatio,perspectiveRatio);}`),symbolIcon:Y(`uniform sampler2D u_texture;in vec2 v_tex;flat in float v_total_opacity;void main() {fragColor=texture(u_texture,v_tex)*v_total_opacity;
+#ifdef OVERDRAW_INSPECTOR
+fragColor=vec4(1.0);
+#endif
+}`,`layout(location=0) in vec4 a_pos_offset;layout(location=1) in uvec4 a_data;layout(location=2) in vec4 a_pixeloffset;layout(location=3) in vec3 a_projected_pos;layout(location=4) in uint a_fade_opacity;layout(location=5) in float a_height_offset;uniform bool u_is_size_zoom_constant;uniform bool u_is_size_feature_constant;uniform highp float u_size_t;uniform highp float u_size;uniform highp float u_camera_to_center_distance;uniform highp float u_pitch;uniform bool u_rotate_symbol;uniform highp float u_aspect_ratio;uniform float u_fade_change;uniform mat4 u_label_plane_matrix;uniform mat4 u_coord_matrix;uniform bool u_is_text;uniform bool u_pitch_with_map;uniform vec2 u_texsize;uniform bool u_is_along_line;uniform bool u_is_variable_anchor;uniform vec2 u_translation;uniform float u_pitched_scale;uniform bool u_is_offset;uniform bool u_height_anchor_ground;out vec2 v_tex;flat out float v_total_opacity;
+#pragma maplibre: define lowp float opacity
+void main() {
+#pragma maplibre: initialize lowp float opacity
+vec2 a_pos=a_pos_offset.xy;vec2 a_offset=a_pos_offset.zw;vec2 a_tex=vec2(a_data.xy);vec2 a_size=vec2(a_data.zw);float a_size_min=float(a_data.z >> 1u);vec2 a_pxoffset=a_pixeloffset.xy;vec2 a_minFontScale=a_pixeloffset.zw/256.0;float ele=a_height_offset+(u_height_anchor_ground ? get_elevation(a_pos) : 0.0);highp float segment_angle=-a_projected_pos[2];float size;if (!u_is_size_zoom_constant && !u_is_size_feature_constant) {size=mix(a_size_min,a_size[1],u_size_t)/128.0;} else if (u_is_size_zoom_constant && !u_is_size_feature_constant) {size=a_size_min/128.0;} else {size=u_size;}vec2 translated_a_pos=a_pos+u_translation;vec4 projectedPoint=projectTileWithElevation(translated_a_pos,ele);vec2 fade_opacity=unpack_opacity(a_fade_opacity);float fade_change=fade_opacity[1] > 0.5 ? u_fade_change :-u_fade_change;float visibility=calculate_visibility(projectedPoint);v_total_opacity=opacity*max(0.0,min(visibility,fade_opacity[0]+fade_change));if (v_total_opacity < 0.1){gl_Position=vec4(-2.,-2.,-2.,1.);return;}highp float camera_to_anchor_distance=projectedPoint.w;highp float distance_ratio=u_pitch_with_map ?
+camera_to_anchor_distance/u_camera_to_center_distance :
+u_camera_to_center_distance/camera_to_anchor_distance;highp float perspective_ratio=clamp(0.5+0.5*distance_ratio,0.0,4.0);if (!u_is_offset) {size*=perspective_ratio;}float fontScale=u_is_text ? size/24.0 : size;highp float symbol_rotation=0.0;if (u_rotate_symbol) {vec4 offsetProjectedPoint=projectTileWithElevation(translated_a_pos+vec2(1,0),ele);vec2 a=projectedPoint.xy/projectedPoint.w;vec2 b=offsetProjectedPoint.xy/offsetProjectedPoint.w;symbol_rotation=atan((b.y-a.y)/u_aspect_ratio,b.x-a.x);}highp float angle_sin=sin(segment_angle+symbol_rotation);highp float angle_cos=cos(segment_angle+symbol_rotation);mat2 rotation_matrix=mat2(angle_cos,-1.0*angle_sin,angle_sin,angle_cos);vec4 projected_pos;if (u_is_along_line || u_is_variable_anchor) {projected_pos=vec4(a_projected_pos.xy,ele,1.0);} else if (u_pitch_with_map) {projected_pos=u_label_plane_matrix*vec4(a_projected_pos.xy+u_translation,ele,1.0);} else {projected_pos=u_label_plane_matrix*projectTileWithElevation(a_projected_pos.xy+u_translation,ele);}float z=float(u_pitch_with_map)*projected_pos.z/projected_pos.w;float projectionScaling=1.0;
+#ifdef GLOBE
+if(u_pitch_with_map) {float anchor_pos_tile_y=(u_coord_matrix*vec4(projected_pos.xy/projected_pos.w,z,1.0)).y;projectionScaling=mix(projectionScaling,1.0/circumferenceRatioAtTileY(anchor_pos_tile_y)*u_pitched_scale,u_projection_transition);}
+#endif
+vec4 finalPos=u_coord_matrix*vec4(projected_pos.xy/projected_pos.w+rotation_matrix*(a_offset/32.0*max(a_minFontScale,fontScale)+a_pxoffset/16.0)*projectionScaling,z,1.0);if(u_pitch_with_map) {finalPos=projectTileWithElevation(finalPos.xy,finalPos.z);}gl_Position=finalPos;v_tex=a_tex/u_texsize;}`),symbolSDF:Y(`#define SDF_PX 8.0
+uniform bool u_is_halo;uniform bool u_is_plain;uniform sampler2D u_texture;uniform highp float u_gamma_scale;uniform lowp float u_device_pixel_ratio;uniform bool u_is_text;in vec2 v_data0;in vec3 v_data1;
+#pragma maplibre: define highp vec4 fill_color
+#pragma maplibre: define highp vec4 halo_color
+#pragma maplibre: define lowp float halo_width
+#pragma maplibre: define lowp float halo_blur
+void main() {
+#pragma maplibre: initialize highp vec4 fill_color
+#pragma maplibre: initialize highp vec4 halo_color
+#pragma maplibre: initialize lowp float halo_width
+#pragma maplibre: initialize lowp float halo_blur
+float EDGE_GAMMA=0.105/u_device_pixel_ratio;vec2 tex=v_data0.xy;float gamma_scale=v_data1.x;float size=v_data1.y;float total_opacity=v_data1[2];float fontScale=u_is_text ? size/24.0 : size;highp float gamma=EDGE_GAMMA/(fontScale*u_gamma_scale);lowp float inner_edge=(256.0-64.0)/256.0;lowp float dist=texture(u_texture,tex).a;lowp vec4 color_alpha_out_text,color_alpha_out_halo;if (u_is_plain){highp float gamma_scaled=gamma*gamma_scale;highp float alpha=smoothstep(inner_edge-gamma_scaled,inner_edge+gamma_scaled,dist);color_alpha_out_text=total_opacity*alpha*fill_color;}if (u_is_halo) {float gamma_halo=(halo_blur*1.19/SDF_PX+EDGE_GAMMA)/(fontScale*u_gamma_scale);float inner_edge_halo=inner_edge+gamma_halo*gamma_scale;highp float gamma_scaled_halo=gamma_halo*gamma_scale;highp float alpha_halo=smoothstep(inner_edge_halo-gamma_scaled_halo,inner_edge_halo+gamma_scaled_halo,dist);highp float halo_edge=(6.0-halo_width/fontScale)/SDF_PX;alpha_halo= min(smoothstep(halo_edge-gamma_scaled_halo,halo_edge+gamma_scaled_halo,dist),1.0-alpha_halo);color_alpha_out_halo=total_opacity*alpha_halo*halo_color;}if (u_is_plain && u_is_halo) {fragColor=color_alpha_out_text+(1.-color_alpha_out_text.a)*color_alpha_out_halo;} else if (u_is_halo){fragColor=color_alpha_out_halo;} else {fragColor=color_alpha_out_text;}
+#ifdef OVERDRAW_INSPECTOR
+fragColor=vec4(1.0);
+#endif
+}`,`layout(location=0) in vec4 a_pos_offset;layout(location=1) in uvec4 a_data;layout(location=2) in vec4 a_pixeloffset;layout(location=3) in vec3 a_projected_pos;layout(location=4) in uint a_fade_opacity;layout(location=5) in float a_height_offset;uniform bool u_is_size_zoom_constant;uniform bool u_is_size_feature_constant;uniform highp float u_size_t;uniform highp float u_size;uniform mat4 u_label_plane_matrix;uniform mat4 u_coord_matrix;uniform bool u_is_text;uniform bool u_pitch_with_map;uniform bool u_is_along_line;uniform bool u_is_variable_anchor;uniform highp float u_pitch;uniform bool u_rotate_symbol;uniform highp float u_aspect_ratio;uniform highp float u_camera_to_center_distance;uniform float u_fade_change;uniform vec2 u_texsize;uniform vec2 u_translation;uniform float u_pitched_scale;uniform bool u_is_offset;uniform bool u_height_anchor_ground;out vec2 v_data0;out vec3 v_data1;
+#pragma maplibre: define highp vec4 fill_color
+#pragma maplibre: define highp vec4 halo_color
+#pragma maplibre: define lowp float opacity
+#pragma maplibre: define lowp float halo_width
+#pragma maplibre: define lowp float halo_blur
+void main() {
+#pragma maplibre: initialize highp vec4 fill_color
+#pragma maplibre: initialize highp vec4 halo_color
+#pragma maplibre: initialize lowp float opacity
+#pragma maplibre: initialize lowp float halo_width
+#pragma maplibre: initialize lowp float halo_blur
+vec2 a_pos=a_pos_offset.xy;vec2 a_offset=a_pos_offset.zw;vec2 a_tex=vec2(a_data.xy);vec2 a_size=vec2(a_data.zw);float a_size_min=float(a_data.z >> 1u);vec2 a_pxoffset=a_pixeloffset.xy/16.0;vec2 a_minFontScale=a_pixeloffset.zw/256.0;float ele=a_height_offset+(u_height_anchor_ground ? get_elevation(a_pos) : 0.0);highp float segment_angle=-a_projected_pos[2];float size;if (!u_is_size_zoom_constant && !u_is_size_feature_constant) {size=mix(a_size_min,a_size[1],u_size_t)/128.0;} else if (u_is_size_zoom_constant && !u_is_size_feature_constant) {size=a_size_min/128.0;} else {size=u_size;}vec2 translated_a_pos=a_pos+u_translation;vec4 projectedPoint=projectTileWithElevation(translated_a_pos,ele);vec2 fade_opacity=unpack_opacity(a_fade_opacity);float visibility=calculate_visibility(projectedPoint);float fade_change=fade_opacity[1] > 0.5 ? u_fade_change :-u_fade_change;float interpolated_fade_opacity=max(0.0,min(visibility,fade_opacity[0]+fade_change));float total_opacity=opacity*interpolated_fade_opacity;if (total_opacity < 0.1){gl_Position=vec4(-2.,-2.,-2.,1.);return;}highp float camera_to_anchor_distance=projectedPoint.w;highp float distance_ratio=u_pitch_with_map ?
+camera_to_anchor_distance/u_camera_to_center_distance :
+u_camera_to_center_distance/camera_to_anchor_distance;highp float perspective_ratio=clamp(0.5+0.5*distance_ratio,0.0,4.0);if (!u_is_offset) {size*=perspective_ratio;}float fontScale=u_is_text ? size/24.0 : size;highp float symbol_rotation=0.0;if (u_rotate_symbol) {vec4 offsetProjectedPoint=projectTileWithElevation(translated_a_pos+vec2(1,0),ele);vec2 a=projectedPoint.xy/projectedPoint.w;vec2 b=offsetProjectedPoint.xy/offsetProjectedPoint.w;symbol_rotation=atan((b.y-a.y)/u_aspect_ratio,b.x-a.x);}highp float angle_sin=sin(segment_angle+symbol_rotation);highp float angle_cos=cos(segment_angle+symbol_rotation);mat2 rotation_matrix=mat2(angle_cos,-1.0*angle_sin,angle_sin,angle_cos);vec4 projected_pos;if (u_is_along_line || u_is_variable_anchor) {projected_pos=vec4(a_projected_pos.xy,ele,1.0);} else if (u_pitch_with_map) {projected_pos=u_label_plane_matrix*vec4(a_projected_pos.xy+u_translation,ele,1.0);} else {projected_pos=u_label_plane_matrix*projectTileWithElevation(a_projected_pos.xy+u_translation,ele);}float z=float(u_pitch_with_map)*projected_pos.z/projected_pos.w;float projectionScaling=1.0;
+#ifdef GLOBE
+if(u_pitch_with_map) {float anchor_pos_tile_y=(u_coord_matrix*vec4(projected_pos.xy/projected_pos.w,z,1.0)).y;projectionScaling=mix(projectionScaling,1.0/circumferenceRatioAtTileY(anchor_pos_tile_y)*u_pitched_scale,u_projection_transition);}
+#endif
+vec4 finalPos=u_coord_matrix*vec4(projected_pos.xy/projected_pos.w+rotation_matrix*(a_offset/32.0*max(a_minFontScale,fontScale)+a_pxoffset)*projectionScaling,z,1.0);if(u_pitch_with_map) {finalPos=projectTileWithElevation(finalPos.xy,finalPos.z);}float gamma_scale=finalPos.w;gl_Position=finalPos;v_data0=a_tex/u_texsize;v_data1=vec3(gamma_scale,size,total_opacity);}`),symbolTextAndIcon:Y(`#define SDF_PX 8.0
+#define SDF 1.0
+#define ICON 0.0
+uniform bool u_is_halo;uniform bool u_is_text;uniform sampler2D u_texture;uniform sampler2D u_texture_icon;uniform highp float u_gamma_scale;uniform lowp float u_device_pixel_ratio;in vec4 v_data0;in vec3 v_data1;flat in float v_is_sdf;
+#pragma maplibre: define highp vec4 fill_color
+#pragma maplibre: define highp vec4 halo_color
+#pragma maplibre: define lowp float halo_width
+#pragma maplibre: define lowp float halo_blur
+void main() {
+#pragma maplibre: initialize highp vec4 fill_color
+#pragma maplibre: initialize highp vec4 halo_color
+#pragma maplibre: initialize lowp float halo_width
+#pragma maplibre: initialize lowp float halo_blur
+float total_opacity=v_data1[2];if (v_is_sdf==ICON) {vec2 tex_icon=v_data0.zw;fragColor=texture(u_texture_icon,tex_icon)*total_opacity;
+#ifdef OVERDRAW_INSPECTOR
+fragColor=vec4(1.0);
+#endif
+return;}vec2 tex=v_data0.xy;float EDGE_GAMMA=0.105/u_device_pixel_ratio;float gamma_scale=v_data1.x;float size=v_data1.y;float fontScale=size/24.0;highp float gamma=EDGE_GAMMA/(fontScale*u_gamma_scale);lowp float buff=(256.0-64.0)/256.0;lowp float dist=texture(u_texture,tex).a;lowp vec4 color_alpha_out,color_alpha_out_halo;if (u_is_text) {highp float gamma_scaled=gamma*gamma_scale;highp float alpha=smoothstep(buff-gamma_scaled,buff+gamma_scaled,dist);color_alpha_out=fill_color*(alpha*total_opacity);}if (u_is_halo) {highp float gamma_halo=(halo_blur*1.19/SDF_PX+EDGE_GAMMA)/(fontScale*u_gamma_scale);lowp float buff_halo=(6.0-halo_width/fontScale)/SDF_PX;highp float gamma_scaled_halo=gamma_halo*gamma_scale;highp float alpha_halo=smoothstep(buff_halo-gamma_scaled_halo,buff_halo+gamma_scaled_halo,dist);color_alpha_out_halo=halo_color*(alpha_halo*total_opacity);}if (u_is_text && u_is_halo) {fragColor=color_alpha_out+(1.-color_alpha_out.a)*color_alpha_out_halo;} else if (u_is_halo) {fragColor=color_alpha_out_halo;} else {fragColor=color_alpha_out;}
+#ifdef OVERDRAW_INSPECTOR
+fragColor=vec4(1.0);
+#endif
+}`,`layout(location=0) in vec4 a_pos_offset;layout(location=1) in uvec4 a_data;layout(location=2) in vec3 a_projected_pos;layout(location=3) in uint a_fade_opacity;layout(location=4) in float a_height_offset;uniform bool u_is_size_zoom_constant;uniform bool u_is_size_feature_constant;uniform highp float u_size_t;uniform highp float u_size;uniform mat4 u_label_plane_matrix;uniform mat4 u_coord_matrix;uniform bool u_is_text;uniform bool u_pitch_with_map;uniform highp float u_pitch;uniform bool u_rotate_symbol;uniform highp float u_aspect_ratio;uniform highp float u_camera_to_center_distance;uniform float u_fade_change;uniform vec2 u_texsize;uniform vec2 u_texsize_icon;uniform bool u_is_along_line;uniform bool u_is_variable_anchor;uniform vec2 u_translation;uniform float u_pitched_scale;uniform bool u_is_offset;uniform bool u_height_anchor_ground;out vec4 v_data0;out vec3 v_data1;flat out float v_is_sdf;
+#pragma maplibre: define highp vec4 fill_color
+#pragma maplibre: define highp vec4 halo_color
+#pragma maplibre: define lowp float opacity
+#pragma maplibre: define lowp float halo_width
+#pragma maplibre: define lowp float halo_blur
+void main() {
+#pragma maplibre: initialize highp vec4 fill_color
+#pragma maplibre: initialize highp vec4 halo_color
+#pragma maplibre: initialize lowp float opacity
+#pragma maplibre: initialize lowp float halo_width
+#pragma maplibre: initialize lowp float halo_blur
+vec2 a_pos=a_pos_offset.xy;vec2 a_offset=a_pos_offset.zw;vec2 a_tex=vec2(a_data.xy);vec2 a_size=vec2(a_data.zw);float a_size_min=float(a_data.z >> 1u);float is_sdf=float(a_data.z & 1u);float ele=a_height_offset+(u_height_anchor_ground ? get_elevation(a_pos) : 0.0);highp float segment_angle=-a_projected_pos[2];float size;if (!u_is_size_zoom_constant && !u_is_size_feature_constant) {size=mix(a_size_min,a_size[1],u_size_t)/128.0;} else if (u_is_size_zoom_constant && !u_is_size_feature_constant) {size=a_size_min/128.0;} else {size=u_size;}vec2 translated_a_pos=a_pos+u_translation;vec4 projectedPoint=projectTileWithElevation(translated_a_pos,ele);vec2 fade_opacity=unpack_opacity(a_fade_opacity);float visibility=calculate_visibility(projectedPoint);float fade_change=fade_opacity[1] > 0.5 ? u_fade_change :-u_fade_change;float interpolated_fade_opacity=max(0.0,min(visibility,fade_opacity[0]+fade_change));float total_opacity=opacity*interpolated_fade_opacity;if (total_opacity < 0.1){gl_Position=vec4(-2.,-2.,-2.,1.);return;}highp float camera_to_anchor_distance=projectedPoint.w;highp float distance_ratio=u_pitch_with_map ?
+camera_to_anchor_distance/u_camera_to_center_distance :
+u_camera_to_center_distance/camera_to_anchor_distance;highp float perspective_ratio=clamp(0.5+0.5*distance_ratio,0.0,4.0);if (!u_is_offset) {size*=perspective_ratio;}float fontScale=size/24.0;highp float symbol_rotation=0.0;if (u_rotate_symbol) {vec4 offsetProjectedPoint=projectTileWithElevation(translated_a_pos+vec2(1,0),ele);vec2 a=projectedPoint.xy/projectedPoint.w;vec2 b=offsetProjectedPoint.xy/offsetProjectedPoint.w;symbol_rotation=atan((b.y-a.y)/u_aspect_ratio,b.x-a.x);}highp float angle_sin=sin(segment_angle+symbol_rotation);highp float angle_cos=cos(segment_angle+symbol_rotation);mat2 rotation_matrix=mat2(angle_cos,-1.0*angle_sin,angle_sin,angle_cos);vec4 projected_pos;if (u_is_along_line || u_is_variable_anchor) {projected_pos=vec4(a_projected_pos.xy,ele,1.0);} else if (u_pitch_with_map) {projected_pos=u_label_plane_matrix*vec4(a_projected_pos.xy+u_translation,ele,1.0);} else {projected_pos=u_label_plane_matrix*projectTileWithElevation(a_projected_pos.xy+u_translation,ele);}float z=float(u_pitch_with_map)*projected_pos.z/projected_pos.w;float projectionScaling=1.0;
+#ifdef GLOBE
+if(u_pitch_with_map && !u_is_along_line) {float anchor_pos_tile_y=(u_coord_matrix*vec4(projected_pos.xy/projected_pos.w,z,1.0)).y;projectionScaling=mix(projectionScaling,1.0/circumferenceRatioAtTileY(anchor_pos_tile_y)*u_pitched_scale,u_projection_transition);}
+#endif
+vec4 finalPos=u_coord_matrix*vec4(projected_pos.xy/projected_pos.w+rotation_matrix*(a_offset/32.0*fontScale)*projectionScaling,z,1.0);if(u_pitch_with_map) {finalPos=projectTileWithElevation(finalPos.xy,finalPos.z);}float gamma_scale=finalPos.w;gl_Position=finalPos;v_data0.xy=a_tex/u_texsize;v_data0.zw=a_tex/u_texsize_icon;v_data1=vec3(gamma_scale,size,total_opacity);v_is_sdf=is_sdf;}`),terrain:Y(`uniform sampler2D u_texture;uniform vec4 u_fog_color;uniform vec4 u_horizon_color;uniform float u_fog_ground_blend;uniform float u_fog_ground_blend_opacity;uniform float u_horizon_fog_blend;uniform bool u_is_globe_mode;in vec2 v_texture_pos;in float v_fog_depth;const float gamma=2.2;vec4 gammaToLinear(vec4 color) {return pow(color,vec4(gamma));}vec4 linearToGamma(vec4 color) {return pow(color,vec4(1.0/gamma));}void main() {vec4 surface_color=texture(u_texture,vec2(v_texture_pos.x,1.0-v_texture_pos.y));if (!u_is_globe_mode && u_fog_ground_blend_opacity > 0.0 && v_fog_depth > u_fog_ground_blend) {vec4 surface_color_linear=gammaToLinear(surface_color);float blend_color=smoothstep(0.0,1.0,max((v_fog_depth-u_horizon_fog_blend)/(1.0-u_horizon_fog_blend),0.0));vec4 fog_horizon_color_linear=mix(gammaToLinear(u_fog_color),gammaToLinear(u_horizon_color),blend_color);float factor_fog=max(v_fog_depth-u_fog_ground_blend,0.0)/(1.0-u_fog_ground_blend);fragColor=linearToGamma(mix(surface_color_linear,fog_horizon_color_linear,pow(factor_fog,2.0)*u_fog_ground_blend_opacity));} else {fragColor=surface_color;}}`,`layout(location=0) in vec3 a_pos3d;uniform mat4 u_fog_matrix;uniform float u_ele_delta;out vec2 v_texture_pos;out float v_fog_depth;void main() {float ele=get_elevation(a_pos3d.xy);float ele_delta=a_pos3d.z==1.0 ? u_ele_delta : 0.0;v_texture_pos=a_pos3d.xy/8192.0;gl_Position=projectTileFor3D(a_pos3d.xy,ele-ele_delta);vec4 pos=u_fog_matrix*vec4(a_pos3d.xy,ele,1.0);v_fog_depth=pos.z/pos.w*0.5+0.5;}`),terrainDepth:Y(`in float v_depth;const highp vec4 bitSh=vec4(256.*256.*256.,256.*256.,256.,1.);const highp vec4 bitMsk=vec4(0.,vec3(1./256.0));highp vec4 pack(highp float value) {highp vec4 comp=fract(value*bitSh);comp-=comp.xxyz*bitMsk;return comp;}void main() {fragColor=pack(v_depth);}`,`layout(location=0) in vec3 a_pos3d;uniform float u_ele_delta;out float v_depth;void main() {float ele=get_elevation(a_pos3d.xy);float ele_delta=a_pos3d.z==1.0 ? u_ele_delta : 0.0;gl_Position=projectTileFor3D(a_pos3d.xy,ele-ele_delta);v_depth=gl_Position.z/gl_Position.w;}`),atmosphere:Y(`#ifdef GL_ES
+precision highp float;
+#endif
+in vec3 view_direction;uniform vec3 u_sun_pos;uniform vec3 u_globe_position;uniform float u_globe_radius;uniform float u_atmosphere_blend;/**Shader use from https:*Made some change to adapt to MapLibre Globe geometry*/const float PI=3.141592653589793;const int iSteps=5;const int jSteps=3;/*radius of the planet*/const float EARTH_RADIUS=6371e3;/*radius of the atmosphere*/const float ATMOS_RADIUS=6471e3;vec2 rsi(vec3 r0,vec3 rd,float sr) {float a=dot(rd,rd);float b=2.0*dot(rd,r0);float c=dot(r0,r0)-(sr*sr);float d=(b*b)-4.0*a*c;if (d < 0.0) return vec2(1e5,-1e5);return vec2((-b-sqrt(d))/(2.0*a),(-b+sqrt(d))/(2.0*a));}vec4 atmosphere(vec3 r,vec3 r0,vec3 pSun,float iSun,float rPlanet,float rAtmos,vec3 kRlh,float kMie,float shRlh,float shMie,float g) {pSun=normalize(pSun);r=normalize(r);vec2 p=rsi(r0,r,rAtmos);if (p.x > p.y) {return vec4(0.0,0.0,0.0,1.0);}if (p.x < 0.0) {p.x=0.0;}vec3 pos=r0+r*p.x;vec2 p2=rsi(r0,r,rPlanet);if (p2.x <=p2.y && p2.x > 0.0) {p.y=min(p.y,p2.x);}float iStepSize=(p.y-p.x)/float(iSteps);float iTime=p.x+iStepSize*0.5;vec3 totalRlh=vec3(0,0,0);vec3 totalMie=vec3(0,0,0);float iOdRlh=0.0;float iOdMie=0.0;float mu=dot(r,pSun);float mumu=mu*mu;float gg=g*g;float pRlh=3.0/(16.0*PI)*(1.0+mumu);float pMie=3.0/(8.0*PI)*((1.0-gg)*(mumu+1.0))/(pow(1.0+gg-2.0*mu*g,1.5)*(2.0+gg));for (int i=0; i < iSteps; i++) {vec3 iPos=r0+r*iTime;float iHeight=length(iPos)-rPlanet;float odStepRlh=exp(-iHeight/shRlh)*iStepSize;float odStepMie=exp(-iHeight/shMie)*iStepSize;iOdRlh+=odStepRlh;iOdMie+=odStepMie;float jStepSize=rsi(iPos,pSun,rAtmos).y/float(jSteps);float jTime=jStepSize*0.5;float jOdRlh=0.0;float jOdMie=0.0;for (int j=0; j < jSteps; j++) {vec3 jPos=iPos+pSun*jTime;float jHeight=length(jPos)-rPlanet;jOdRlh+=exp(-jHeight/shRlh)*jStepSize;jOdMie+=exp(-jHeight/shMie)*jStepSize;jTime+=jStepSize;}vec3 attn=exp(-(kMie*(iOdMie+jOdMie)+kRlh*(iOdRlh+jOdRlh)));totalRlh+=odStepRlh*attn;totalMie+=odStepMie*attn;iTime+=iStepSize;}float opacity=exp(-(length(kRlh)*length(totalRlh)+kMie*length(totalMie)));vec3 color=iSun*(pRlh*kRlh*totalRlh+pMie*kMie*totalMie);return vec4(color,opacity);}void main() {vec3 scale_camera_pos=-u_globe_position*EARTH_RADIUS/u_globe_radius;vec4 color=atmosphere(normalize(view_direction),scale_camera_pos,u_sun_pos,22.0,EARTH_RADIUS,ATMOS_RADIUS,vec3(5.5e-6,13.0e-6,22.4e-6),21e-6,8e3,1.2e3,0.758
+);color.rgb=1.0-exp(-1.0*color.rgb);color=pow(color,vec4(1.0/2.2));fragColor=vec4(color.rgb,1.0-color.a)*u_atmosphere_blend;}`,`layout(location=0) in vec2 a_pos;uniform mat4 u_inv_proj_matrix;out vec3 view_direction;void main() {view_direction=(u_inv_proj_matrix*vec4(a_pos,0.0,1.0)).xyz;gl_Position=vec4(a_pos,0.0,1.0);}`),sky:Y(`uniform vec4 u_sky_color;uniform vec4 u_horizon_color;uniform vec2 u_horizon;uniform vec2 u_horizon_normal;uniform float u_sky_horizon_blend;uniform float u_sky_blend;void main() {float x=gl_FragCoord.x;float y=gl_FragCoord.y;float blend=(y-u_horizon.y)*u_horizon_normal.y+(x-u_horizon.x)*u_horizon_normal.x;if (blend > 0.0) {if (blend < u_sky_horizon_blend) {fragColor=mix(u_sky_color,u_horizon_color,pow(1.0-blend/u_sky_horizon_blend,2.0));} else {fragColor=u_sky_color;}}fragColor=mix(fragColor,vec4(vec3(0.0),0.0),u_sky_blend);}`,`layout(location=0) in vec2 a_pos;void main() {gl_Position=vec4(a_pos,1.0,1.0);}`)};function Y(e,t){let n=/#pragma maplibre: ([\w]+) ([\w]+) ([\w]+) ([\w]+)/g,r=t.match(/in ([\w]+) ([\w]+)/g),i=e.match(/uniform ([\w]+) ([\w]+)([\s]*)([\w]*)/g),a=t.match(/uniform ([\w]+) ([\w]+)([\s]*)([\w]*)/g),o=a?a.concat(i):i,s=r?r.length:0,c={};return e=e.replace(n,(e,t,n,r,i)=>(c[i]=!0,t===`define`?`
+#ifndef HAS_UNIFORM_u_${i}
+in ${n} ${r} ${i};
+#else
+uniform ${n} ${r} u_${i};
+#endif
+`:`
+#ifdef HAS_UNIFORM_u_${i}
+ ${n} ${r} ${i} = u_${i};
+#endif
+`)),t=t.replace(n,(e,t,n,r,i)=>{let a=r===`float`?`vec2`:`vec4`,o=i.match(/color/)?`color`:a;return c[i]?t===`define`?`
+#ifndef HAS_UNIFORM_u_${i}
+uniform lowp float u_${i}_t;
+layout(location = ${s++}) in ${n} ${a} a_${i};
+out ${n} ${r} ${i};
+#else
+uniform ${n} ${r} u_${i};
+#endif
+`:o===`vec4`?`
+#ifndef HAS_UNIFORM_u_${i}
+ ${i} = a_${i};
+#else
+ ${n} ${r} ${i} = u_${i};
+#endif
+`:`
+#ifndef HAS_UNIFORM_u_${i}
+ ${i} = unpack_mix_${o}(a_${i}, u_${i}_t);
+#else
+ ${n} ${r} ${i} = u_${i};
+#endif
+`:t===`define`?`
+#ifndef HAS_UNIFORM_u_${i}
+uniform lowp float u_${i}_t;
+layout(location = ${s++}) in ${n} ${a} a_${i};
+#else
+uniform ${n} ${r} u_${i};
+#endif
+`:o===`vec4`?`
+#ifndef HAS_UNIFORM_u_${i}
+ ${n} ${r} ${i} = a_${i};
+#else
+ ${n} ${r} ${i} = u_${i};
+#endif
+`:`
+#ifndef HAS_UNIFORM_u_${i}
+ ${n} ${r} ${i} = unpack_mix_${o}(a_${i}, u_${i}_t);
+#else
+ ${n} ${r} ${i} = u_${i};
+#endif
+`}),{fragmentSource:e,vertexSource:t,staticAttributes:r,staticUniforms:o}}const Zs=`#define PROJECTION_MERCATOR`,Qs=`mercator`;var $s=class{constructor(){this._cachedMesh=null}get name(){return`mercator`}get useSubdivision(){return!1}get shaderVariantName(){return Qs}get shaderDefine(){return Zs}get shaderPreludeCode(){return Xs.projectionMercator}get vertexShaderPreludeCode(){return Xs.projectionMercator.vertexSource}get subdivisionGranularity(){return Lt.noSubdivision}get useGlobeControls(){return!1}get transitionState(){return 0}destroy(){}getMeshFromTileID(e,t,n,r,i){if(this._cachedMesh)return this._cachedMesh;let a=new Un;a.emplaceBack(0,0),a.emplaceBack(N,0),a.emplaceBack(0,N),a.emplaceBack(N,N);let o=e.createVertexBuffer(a,Wa.members),s=ae.simpleSegment(0,0,4,2),c=new gt;c.emplaceBack(1,0,2),c.emplaceBack(1,2,3);let l=e.createIndexBuffer(c);return this._cachedMesh=new Ua(o,l,s),this._cachedMesh}recalculate(){}hasTransition(){return!1}},ec=class e{constructor(e=0,t=0,n=0,r=0){if(isNaN(e)||e<0||isNaN(t)||t<0||isNaN(n)||n<0||isNaN(r)||r<0)throw Error(`Invalid value for edge-insets, top, bottom, left and right must all be numbers`);this.top=e,this.bottom=t,this.left=n,this.right=r}interpolate(e,t,n){return t.top!=null&&e.top!=null&&(this.top=on.number(e.top,t.top,n)),t.bottom!=null&&e.bottom!=null&&(this.bottom=on.number(e.bottom,t.bottom,n)),t.left!=null&&e.left!=null&&(this.left=on.number(e.left,t.left,n)),t.right!=null&&e.right!=null&&(this.right=on.number(e.right,t.right,n)),this}getCenter(e,t){let n=M((this.left+e-this.right)/2,0,e),r=M((this.top+t-this.bottom)/2,0,t);return new l(n,r)}equals(e){return this.top===e.top&&this.bottom===e.bottom&&this.left===e.left&&this.right===e.right}clone(){return new e(this.top,this.bottom,this.left,this.right)}toJSON(){return{top:this.top,bottom:this.bottom,left:this.left,right:this.right}}};function tc(e,t){if(!e.renderWorldCopies||e.lngRange)return;let n=t.lng-e.center.lng;t.lng+=n>180?-360:n<-180?360:0}function nc(e){return Math.max(0,Math.floor(e))}var rc=class{constructor(e,t){this.applyConstrain=(e,t)=>this._constrainOverride===null?this._callbacks.defaultConstrain(e,t):this._constrainOverride(e,t),this._callbacks=e,this._tileSize=512,this._renderWorldCopies=t?.renderWorldCopies===void 0||!!t?.renderWorldCopies,this._minZoom=t?.minZoom||0,this._maxZoom=t?.maxZoom||22,this._minPitch=t?.minPitch===void 0||t?.minPitch===null?0:t?.minPitch,this._maxPitch=t?.maxPitch===void 0||t?.maxPitch===null?60:t?.maxPitch,this._constrainOverride=t?.constrainOverride??null,this.setMaxBounds(),this._width=0,this._height=0,this._center=new V(0,0),this._elevation=0,this._zoom=0,this._tileZoom=nc(this._zoom),this._scale=d(this._zoom),this._bearingInRadians=0,this._fovInRadians=.6435011087932844,this._pitchInRadians=0,this._rollInRadians=0,this._unmodified=!0,this._edgeInsets=new ec,this._minElevationForCurrentTile=0,this._autoCalculateNearFarZ=!0}apply(e,t,n){this._constrainOverride=e.constrainOverride,this._latRange=e.latRange,this._lngRange=e.lngRange,this._width=e.width,this._height=e.height,this._center=e.center,this._elevation=e.elevation,this._minElevationForCurrentTile=e.minElevationForCurrentTile,this._zoom=e.zoom,this._tileZoom=nc(this._zoom),this._scale=d(this._zoom),this._bearingInRadians=e.bearingInRadians,this._fovInRadians=e.fovInRadians,this._pitchInRadians=e.pitchInRadians,this._rollInRadians=e.rollInRadians,this._unmodified=e.unmodified,this._edgeInsets=new ec(e.padding.top,e.padding.bottom,e.padding.left,e.padding.right),this._minZoom=e.minZoom,this._maxZoom=e.maxZoom,this._minPitch=e.minPitch,this._maxPitch=e.maxPitch,this._renderWorldCopies=e.renderWorldCopies,this._cameraToCenterDistance=e.cameraToCenterDistance,this._nearZ=e.nearZ,this._farZ=e.farZ,this._autoCalculateNearFarZ=!n&&e.autoCalculateNearFarZ,t&&this.constrainInternal(),this._calcMatrices()}get pixelsToClipSpaceMatrix(){return this._pixelsToClipSpaceMatrix}get clipSpaceToPixelsMatrix(){return this._clipSpaceToPixelsMatrix}get minElevationForCurrentTile(){return this._minElevationForCurrentTile}setMinElevationForCurrentTile(e){this._minElevationForCurrentTile=e}get tileSize(){return this._tileSize}get tileZoom(){return this._tileZoom}get scale(){return this._scale}get width(){return this._width}get height(){return this._height}get bearingInRadians(){return this._bearingInRadians}get lngRange(){return this._lngRange}get latRange(){return this._latRange}get pixelsToGLUnits(){return this._pixelsToGLUnits}get minZoom(){return this._minZoom}setMinZoom(e){if(this._minZoom===e)return;this._minZoom=e;let t=this._unmodified;this.setZoom(this.applyConstrain(this._center,this.zoom).zoom),this._unmodified=t}get maxZoom(){return this._maxZoom}setMaxZoom(e){if(this._maxZoom===e)return;this._maxZoom=e;let t=this._unmodified;this.setZoom(this.applyConstrain(this._center,this.zoom).zoom),this._unmodified=t}get minPitch(){return this._minPitch}setMinPitch(e){if(this._minPitch===e)return;this._minPitch=e;let t=this._unmodified;this.setPitch(Math.max(this.pitch,e)),this._unmodified=t}get maxPitch(){return this._maxPitch}setMaxPitch(e){if(this._maxPitch===e)return;this._maxPitch=e;let t=this._unmodified;this.setPitch(Math.min(this.pitch,e)),this._unmodified=t}get renderWorldCopies(){return this._renderWorldCopies}setRenderWorldCopies(e){e===void 0?e=!0:e===null&&(e=!1),this._renderWorldCopies=e}get constrainOverride(){return this._constrainOverride}setConstrainOverride(e){e===void 0&&(e=null),this._constrainOverride!==e&&(this._constrainOverride=e,this.constrainInternal(),this._calcMatrices())}get worldSize(){return this._tileSize*this._scale}get centerOffset(){return this.centerPoint._sub(this.size._div(2))}get size(){return new l(this._width,this._height)}get bearing(){return this._bearingInRadians/Math.PI*180}setBearing(e){let t=Or(e,-180,180)*Math.PI/180;this._bearingInRadians!==t&&(this._unmodified=!1,this._bearingInRadians=t,this._calcMatrices(),this._rotationMatrix=jr(),Pr(this._rotationMatrix,this._rotationMatrix,-this._bearingInRadians))}get rotationMatrix(){return this._rotationMatrix}get pitchInRadians(){return this._pitchInRadians}get pitch(){return this._pitchInRadians/Math.PI*180}setPitch(e){let t=M(e,this.minPitch,this.maxPitch)/180*Math.PI;this._pitchInRadians!==t&&(this._unmodified=!1,this._pitchInRadians=t,this._calcMatrices())}get rollInRadians(){return this._rollInRadians}get roll(){return this._rollInRadians/Math.PI*180}setRoll(e){let t=e/180*Math.PI;this._rollInRadians!==t&&(this._unmodified=!1,this._rollInRadians=t,this._calcMatrices())}get fovInRadians(){return this._fovInRadians}get fov(){return E(this._fovInRadians)}setFov(e){e=M(e,.1,150),this.fov!==e&&(this._unmodified=!1,this._fovInRadians=qt(e),this._calcMatrices())}get zoom(){return this._zoom}setZoom(e){let t=this.applyConstrain(this._center,e).zoom;this._zoom!==t&&(this._unmodified=!1,this._zoom=t,this._tileZoom=Math.max(0,Math.floor(t)),this._scale=d(t),this.constrainInternal(),this._calcMatrices())}get center(){return this._center}setCenter(e){(e.lat!==this._center.lat||e.lng!==this._center.lng)&&(this._unmodified=!1,this._center=e,this.constrainInternal(),this._calcMatrices())}get elevation(){return this._elevation}setElevation(e){e!==this._elevation&&(this._elevation=e,this.constrainInternal(),this._calcMatrices())}get padding(){return this._edgeInsets.toJSON()}setPadding(e){this._edgeInsets.equals(e)||(this._unmodified=!1,this._edgeInsets.interpolate(this._edgeInsets,e,1),this._calcMatrices())}get centerPoint(){return this._edgeInsets.getCenter(this._width,this._height)}get pixelsPerMeter(){return this._pixelPerMeter}get unmodified(){return this._unmodified}get cameraToCenterDistance(){return this._cameraToCenterDistance}get nearZ(){return this._nearZ}get farZ(){return this._farZ}get autoCalculateNearFarZ(){return this._autoCalculateNearFarZ}overrideNearFarZ(e,t){this._autoCalculateNearFarZ=!1,this._nearZ=e,this._farZ=t,this._calcMatrices()}clearNearFarZOverride(){this._autoCalculateNearFarZ=!0,this._calcMatrices()}isPaddingEqual(e){return this._edgeInsets.equals(e)}interpolatePadding(e,t,n){this._unmodified=!1,this._edgeInsets.interpolate(e,t,n),this.constrainInternal(),this._calcMatrices()}resize(e,t,n=!0){this._width=e,this._height=t,n&&this.constrainInternal(),this._calcMatrices()}getMaxBounds(){return this._latRange?.length!==2||this._lngRange?.length!==2?null:new _a([this._lngRange[0],this._latRange[0]],[this._lngRange[1],this._latRange[1]])}setMaxBounds(e){e?(this._lngRange=[e.getWest(),e.getEast()],this._latRange=[e.getSouth(),e.getNorth()],this.constrainInternal()):(this._lngRange=null,this._latRange=[-u,u])}getCameraQueryGeometry(e,t){if(t.length===1)return[t[0],e];{let{minX:n,minY:r,maxX:i,maxY:a}=On.fromPoints(t).extend(e);return[new l(n,r),new l(i,r),new l(i,a),new l(n,a),new l(n,r)]}}constrainInternal(){if(!this.center||!this._width||!this._height||this._constraining)return;this._constraining=!0;let e=this._unmodified,{center:t,zoom:n}=this.applyConstrain(this.center,this.zoom);this.setCenter(t),this.setZoom(n),this._unmodified=e,this._constraining=!1}_calcMatrices(){if(this._width&&this._height){this._pixelsToGLUnits=[2/this._width,-2/this._height];let e=$e(new Float64Array(16));ke(e,e,[this._width/2,-this._height/2,1]),Le(e,e,[1,-1,0]),this._clipSpaceToPixelsMatrix=e,e=$e(new Float64Array(16)),ke(e,e,[1,-1,1]),Le(e,e,[-1,-1,0]),ke(e,e,[2/this._width,2/this._height,1]),this._pixelsToClipSpaceMatrix=e;let t=this.fovInRadians/2;this._cameraToCenterDistance=.5/Math.tan(t)*this._height}this._callbacks.calcMatrices()}calculateCenterFromCameraLngLatAlt(e,t,n,r){let i=n===void 0?this.bearing:n,a=r=r===void 0?this.pitch:r,{distanceToCenter:o,clampedElevation:s}=this._distanceToCenterFromAltElevationPitch(t,this.elevation,a),{x:c,y:l}=_t(a,i),u=B.fromLngLat(e,t),d=dn(1,u.y),f,p,m=0;do{if(m+=1,m>10)break;p=o/d;let e=c*p,t=l*p;f=new B(u.x+e,u.y+t),d=1/f.meterInMercatorCoordinateUnits()}while(Math.abs(o-p*d)>1e-12);return{center:f.toLngLat(),elevation:s,zoom:Ee(this.height/2/Math.tan(this.fovInRadians/2)/p/this.tileSize)}}recalculateZoomAndCenter(e){if(this.elevation-e===0)return;let t=1/this.worldSize,n=Tn(1,this.center.lat)*this.worldSize,r=B.fromLngLat(this.center,this.elevation),i=r.x/t,a=r.y/t,o=r.z/t,s=this.pitch,c=this.bearing,{x:l,y:u,z:d}=_t(s,c),f=this.cameraToCenterDistance,p=i+f*-l,m=a+f*-u,h=o+f*d,{distanceToCenter:g,clampedElevation:_}=this._distanceToCenterFromAltElevationPitch(h/n,e,s),v=g*n,y=p+l*v,b=m+u*v,x=new B(y*t,b*t,0).toLngLat(),S=Tn(1,x.lat),C=Ee(this.height/2/Math.tan(this.fovInRadians/2)/g/S/this.tileSize);this._elevation=_,this._center=x,this.setZoom(C)}_distanceToCenterFromAltElevationPitch(e,t,n){let r=-Math.cos(qt(n)),i=e-t,a,o=t;return r*i>=0||Math.abs(r)<.1?(a=1e4,o=e+a*r):a=-i/r,{distanceToCenter:a,clampedElevation:o}}getCameraPoint(){let e=this.pitchInRadians,t=Math.tan(e)*(this.cameraToCenterDistance||1);return this.centerPoint.add(new l(t*Math.sin(this.rollInRadians),t*Math.cos(this.rollInRadians)))}getCameraAltitude(){return Math.cos(this.pitchInRadians)*this._cameraToCenterDistance/this._pixelPerMeter+this.elevation}getCameraLngLat(){return mt(this).toLngLat()}getMercatorTileCoordinates(e){if(!e)return[0,0,1,1];let t=e.canonical.z>=0?1<this.max[0]||e.aabb.min[1]>this.max[1]||e.aabb.min[2]>this.max[2]||e.aabb.max[0]0?(t+=e[r]*this.min[r],n+=e[r]*this.max[r]):(n+=e[r]*this.min[r],t+=e[r]*this.max[r]);return t>=0?2:n<0?0:1}},ac=class{distanceToTile2d(e,t,n,r){let i=r,a=i.distanceX([e,t]),o=i.distanceY([e,t]);return Math.hypot(a,o)}getWrap(e,t,n){return n}getTileBoundingVolume(e,t,n,r){let i=Math.min(0,n),a=Math.max(0,n);if(r?.terrain){let n=new $t(e.z,t,e.z,e.x,e.y),o=r.terrain.getMinMaxElevation(n);i=o.minElevation??i,a=o.maxElevation??a}let o=1<r}allowWorldCopies(){return!0}prepareNextFrame(){}},oc=class e{constructor(e,t,n){this.points=e,this.planes=t,this.aabb=n}static fromInvProjectionMatrix(t,n=1,r=0,i,a){let o=[[-1,1,-1,1],[1,1,-1,1],[1,-1,-1,1],[-1,-1,-1,1],[-1,1,1,1],[1,1,1,1],[1,-1,1,1],[-1,-1,1,1]],s=a?[[6,5,4],[0,1,2],[0,3,7],[2,1,5],[3,2,6],[0,4,5]]:[[0,1,2],[6,5,4],[0,3,7],[2,1,5],[3,2,6],[0,4,5]],c=2**r,l=o.map(e=>sc(e,t,n,c));i&&cc(l,s[0],i,a);let u=s.map(e=>{let t=En([],l[e[0]],l[e[1]]),n=En([],l[e[2]],l[e[1]]),r=Rt([],Gn([],t,n)),i=-ln(r,l[e[1]]);return r.concat(i)}),d=[1/0,1/0,1/0],f=[-1/0,-1/0,-1/0];for(let e of l)for(let t=0;t<3;t++)d[t]=Math.min(d[t],e[t]),f[t]=Math.max(f[t],e[t]);return new e(l,u,new ic(d,f))}};function sc(e,t,n,r){let i=Gt([],e,t),a=1/i[3]/n*r;return He(i,i,[a,a,1/i[3],a])}function cc(e,t,n,r){let i=r?4:0,a=r?0:4,o=0,s=[],c=[];for(let t=0;t<4;t++){let n=En([],e[t+a],e[t+i]),r=Nn(n);Xt(n,n,1/r),s.push(r),c.push(n)}for(let t=0;t<4;t++){let r=x(e[t+i],c[t],n);o=r!==null&&r>=0?Math.max(o,r):Math.max(o,s[t])}let l=lc(e,t),u=uc(n,l);if(u!==null){let e=u/ln(c[0],l);o=Math.min(o,e)}for(let t=0;t<4;t++){let n=Math.min(o,s[t]);e[t+a]=[e[t+i][0]+c[t][0]*n,e[t+i][1]+c[t][1]*n,e[t+i][2]+c[t][2]*n,1]}}function lc(e,t){let n=En([],e[t[0]],e[t[1]]),r=En([],e[t[2]],e[t[1]]),i=[0,0,0,0];return Rt(i,Gn([],n,r)),i[3]=-ln(i,e[t[0]]),i}function uc(e,t){let r=At(e),i=n([],e,1/r),a=En([],t,Xt([],i,ln(t,i))),o=At(a);if(o>0){let e=Math.sqrt(1-i[3]*i[3]),n=Xt([],i,-i[3]),r=$n([],n,Xt([],a,e/o));return tt(t,r)}return null}const dc=wt([{name:`a_pos3d`,type:`Int16`,components:3}]);var fc=class extends h{constructor(e){super(),this._lastTilesetChange=U(),this.tileManager=e,this._tiles={},this._renderableTilesKeys=[],this._sourceTileCache={},this.minzoom=0,this.maxzoom=22,this.deltaZoom=1,this.tileSize=e._source.tileSize*2**this.deltaZoom,e.usedForTerrain=!0,e.tileSize=this.tileSize}destruct(){this.tileManager.usedForTerrain=!1,this.tileManager.tileSize=null,this.releaseAllRTT()}getSource(){return this.tileManager._source}update(e,t){this.tileManager.update(e,t),this._renderableTilesKeys=[];let n={},r=!1;for(let i of So(e,{tileSize:this.tileSize,minzoom:this.minzoom,maxzoom:this.maxzoom,reparseOverscaled:!1,terrain:t,calculateTileZoom:this.tileManager._source.calculateTileZoom}))n[i.key]=!0,this._renderableTilesKeys.push(i.key),this._tiles[i.key]||(i.terrainRttPosMatrix32f=new Float32Array(16),Ne(i.terrainRttPosMatrix32f,0,N,N,0,0,1),this._tiles[i.key]=new po(i,this.tileSize),this._lastTilesetChange=U(),r=!0);for(let e in this._tiles)n[e]||(this._tiles[e].releaseRTT(this.tileManager.map.painter),delete this._tiles[e],r=!0);return r}releaseRTT(e){for(let t in this._tiles){let n=this._tiles[t];(n.tileID.equals(e)||n.tileID.isChildOf(e)||e.isChildOf(n.tileID))&&n.releaseRTT(this.tileManager.map.painter)}}releaseAllRTT(){for(let e in this._tiles)this._tiles[e].releaseRTT(this.tileManager.map.painter)}getRenderableTiles(){return this._renderableTilesKeys.map(e=>this.getTileByID(e))}getTileByID(e){return this._tiles[e]}getTerrainCoords(e,t){return t?this._getTerrainCoordsForTileRanges(e,t):this._getTerrainCoordsForRegularTile(e)}_getTerrainCoordsForRegularTile(e){let t={};for(let n of this._renderableTilesKeys){let r=this._tiles[n].tileID,i=e.clone(),a=vt();if(r.canonical.equals(e.canonical))Ne(a,0,N,N,0,0,1);else if(r.canonical.isChildOf(e.canonical)){let t=r.canonical.z-e.canonical.z,n=r.canonical.x-(r.canonical.x>>t<>t<>t;Ne(a,0,o,o,0,0,1),Le(a,a,[-n*o,-i*o,0])}else if(e.canonical.isChildOf(r.canonical)){let t=e.canonical.z-r.canonical.z,n=e.canonical.x-(e.canonical.x>>t<>t<>t;Ne(a,0,N,N,0,0,1),Le(a,a,[n*o,i*o,0]),ke(a,a,[1/2**t,1/2**t,0])}else continue;i.terrainRttPosMatrix32f=new Float32Array(a),t[n]=i}return t}_getTerrainCoordsForTileRanges(e,t){let n={};for(let r of this._renderableTilesKeys){let i=this._tiles[r].tileID;if(!this._isWithinTileRanges(i,t))continue;let a=e.clone(),o=vt();if(i.canonical.z===e.canonical.z){let t=e.canonical.x-i.canonical.x+e.wrap*(1<e.canonical.z){let t=i.canonical.z-e.canonical.z,n=i.canonical.x-(i.canonical.x>>t<>t<>t),s=e.canonical.y-(i.canonical.y>>t),c=N>>t;Ne(o,0,c,c,0,0,1),Le(o,o,[-n*c+a*N,-r*c+s*N,0])}else{let t=e.canonical.z-i.canonical.z,n=e.canonical.x-(e.canonical.x>>t<>t<>t)-i.canonical.x,s=(e.canonical.y>>t)-i.canonical.y,c=N<n.maxzoom&&(r=n.maxzoom),r=n.minzoom&&!i?.dem;)i=this.findTileInCaches(e.scaledTo(r--).key);return i}findTileInCaches(e){let t=this.tileManager.getTileByID(e);return t||(t=this.tileManager._outOfViewCache.getByKey(e),t)}anyTilesAfterTime(e=U()){return this._lastTilesetChange>=e}_isWithinTileRanges(e,t){let n=t[e.canonical.z];return!!n&&(e.wrap>n.minWrap||e.wrap=n.minTileXWrapped&&e.canonical.x<=n.maxTileXWrapped&&e.canonical.y>=n.minTileY&&e.canonical.y<=n.maxTileY)}};const pc=N*(1-1e-12);var mc=class{constructor(e,t,n,r=`auto`){this._meshCache={},this.painter=e,this.tileManager=new fc(t),this.options=n,this.exaggeration=typeof n.exaggeration==`number`?n.exaggeration:1,this._terrainSkirtLength=r,this.qualityFactor=2,this.meshSize=128,this._demMatrixCache=new Map,this._elevationSamplerCache=new Map}destroy(){this._fbo&&=(this._fbo.destroy(),null),this._fboDepthTexture&&=(this._fboDepthTexture.destroy(),null),this._emptyDemTexture&&=(this._emptyDemTexture.destroy(),null),this._emptyDepthTexture&&=(this._emptyDepthTexture.destroy(),null);for(let e in this._meshCache)this._meshCache[e].destroy();this._meshCache={},this.tileManager.destruct()}getDEMElevation(e,t,n,r=N){let i=e.normalizeCoordinates(t,n,r);if(!i)return 0;let a=this.getElevationSampler(i.tileID);return a?a(i.x,i.y,r):0}getElevationForLngLatZoom(e,t){if(!Nt(t,e.wrap()))return 0;let{tileID:n,mercatorX:r,mercatorY:i}=this._getOverscaledTileIDFromLngLatZoom(e,t);return this.getElevation(n,r%N,i%N,N)}getElevationForLngLat(e,t){let n=this.getCoverageIndex();if(n){let t=B.fromLngLat(e),r=gc(n,this.exaggeration,t.x,t.y);if(r.demLoaded)return r.elevation}let r=So(t,{maxzoom:this.tileManager.maxzoom,minzoom:this.tileManager.minzoom,tileSize:512,terrain:this}),i=0;for(let e of r)e.canonical.z>i&&(i=Math.min(e.canonical.z,this.tileManager.maxzoom));return this.getElevationForLngLatZoom(e,i)}getElevation(e,t,n,r=N){return this.getDEMElevation(e,t,n,r)*this.exaggeration}resetElevationCache(){this._elevationSamplerCache.clear(),this._coverageIndex=void 0}getCoverageIndex(){return this._coverageIndex===void 0&&(this._coverageIndex=this._buildCoverageIndex()),this._coverageIndex}_buildCoverageIndex(){let e=[],t=new Map,n=0,r=0;for(let i of this.tileManager.getRenderableTiles()){if(!i)continue;let{canonical:a,wrap:o}=i.tileID;e.includes(a.z)||e.push(a.z);let s=this.getElevationSampler(i.tileID);t.set(`${o}/${a.z}/${a.x}/${a.y}`,s);let{minElevation:c,maxElevation:l}=this.getMinMaxElevation(i.tileID);n=Math.min(n,c??0),r=Math.max(r,l??0)}return t.size===0?null:(e.sort((e,t)=>t-e),{zooms:e,samplerPerTile:t,minElevation:n-10,maxElevation:r+10})}getElevationSampler(e){let t=e.key,n=this._elevationSamplerCache.get(t);if(n)return n;let r=this.tileManager.getSourceTile(e,!0),i=r?.dem;if(!r||!i)return null;let a=this._getDEMTileMatrix(e,r),o=a[0]*i.dim,s=a[5]*i.dim,c=a[12]*i.dim,l=a[13]*i.dim,u=(e,t,n)=>{let r=n===8192?1:N/n;return i.sampleBilinear(e*r*o+c,t*r*s+l)};return this._elevationSamplerCache.set(t,u),u}_getDEMTileMatrix(e,t){let n=`${t.tileID.key}/${e.key}`,r=this._demMatrixCache.get(n);if(r)return r;let i=this.tileManager.getSource().maxzoom,a=e.canonical.z-t.tileID.canonical.z;e.overscaledZ>e.canonical.z&&(e.canonical.z>=i?a=e.canonical.z-i:I(`cannot calculate elevation if elevation maxzoom > source.maxzoom`));let o=e.canonical.x-(e.canonical.x>>a<>a<0,n=t&&e.canonical.y===0,r=t&&e.canonical.y===(1<=1)return hc;let i=Math.floor(n),a=n-i;for(let n of e.zooms){let o=1<i;a++){let i=(n+r)/2;t(e,i)?r=i:n=i}return{lo:n,hi:r}}var yc=class t{get pixelsToClipSpaceMatrix(){return this._helper.pixelsToClipSpaceMatrix}get clipSpaceToPixelsMatrix(){return this._helper.clipSpaceToPixelsMatrix}get pixelsToGLUnits(){return this._helper.pixelsToGLUnits}get centerOffset(){return this._helper.centerOffset}get size(){return this._helper.size}get rotationMatrix(){return this._helper.rotationMatrix}get centerPoint(){return this._helper.centerPoint}get pixelsPerMeter(){return this._helper.pixelsPerMeter}setMinZoom(e){this._helper.setMinZoom(e)}setMaxZoom(e){this._helper.setMaxZoom(e)}setMinPitch(e){this._helper.setMinPitch(e)}setMaxPitch(e){this._helper.setMaxPitch(e)}setRenderWorldCopies(e){this._helper.setRenderWorldCopies(e)}setBearing(e){this._helper.setBearing(e)}setPitch(e){this._helper.setPitch(e)}setRoll(e){this._helper.setRoll(e)}setFov(e){this._helper.setFov(e)}setZoom(e){this._helper.setZoom(e)}setCenter(e){this._helper.setCenter(e)}setElevation(e){this._helper.setElevation(e)}setMinElevationForCurrentTile(e){this._helper.setMinElevationForCurrentTile(e)}setPadding(e){this._helper.setPadding(e)}interpolatePadding(e,t,n){this._helper.interpolatePadding(e,t,n)}isPaddingEqual(e){return this._helper.isPaddingEqual(e)}resize(e,t,n=!0){this._helper.resize(e,t,n)}getMaxBounds(){return this._helper.getMaxBounds()}setMaxBounds(e){this._helper.setMaxBounds(e)}setConstrainOverride(e){this._helper.setConstrainOverride(e)}overrideNearFarZ(e,t){this._helper.overrideNearFarZ(e,t)}clearNearFarZOverride(){this._helper.clearNearFarZOverride()}getCameraQueryGeometry(e){return this._helper.getCameraQueryGeometry(this.getCameraPoint(),e)}get tileSize(){return this._helper.tileSize}get tileZoom(){return this._helper.tileZoom}get scale(){return this._helper.scale}get worldSize(){return this._helper.worldSize}get width(){return this._helper.width}get height(){return this._helper.height}get lngRange(){return this._helper.lngRange}get latRange(){return this._helper.latRange}get minZoom(){return this._helper.minZoom}get maxZoom(){return this._helper.maxZoom}get zoom(){return this._helper.zoom}get center(){return this._helper.center}get minPitch(){return this._helper.minPitch}get maxPitch(){return this._helper.maxPitch}get pitch(){return this._helper.pitch}get pitchInRadians(){return this._helper.pitchInRadians}get roll(){return this._helper.roll}get rollInRadians(){return this._helper.rollInRadians}get bearing(){return this._helper.bearing}get bearingInRadians(){return this._helper.bearingInRadians}get fov(){return this._helper.fov}get fovInRadians(){return this._helper.fovInRadians}get elevation(){return this._helper.elevation}get minElevationForCurrentTile(){return this._helper.minElevationForCurrentTile}get padding(){return this._helper.padding}get unmodified(){return this._helper.unmodified}get renderWorldCopies(){return this._helper.renderWorldCopies}get cameraToCenterDistance(){return this._helper.cameraToCenterDistance}get constrainOverride(){return this._helper.constrainOverride}get nearZ(){return this._helper.nearZ}get farZ(){return this._helper.farZ}get autoCalculateNearFarZ(){return this._helper.autoCalculateNearFarZ}setTransitionState(e){}constructor(e){this._posMatrixCache=new Map,this._alignedPosMatrixCache=new Map,this._fogMatrixCacheF32=new Map,this.defaultConstrain=(e,t)=>{t=M(+t,this.minZoom,this.maxZoom);let n={center:new V(e.lng,e.lat),zoom:t},r=this._helper._lngRange;!this._helper._renderWorldCopies&&r===null&&(r=[-179.9999999999,180-1e-10]);let i=this.tileSize*d(n.zoom),a=0,o=i,s=0,c=i,u=0,f=0,{x:p,y:m}=this.size;if(this._helper._latRange){let e=this._helper._latRange;a=Vt(e[1])*i,o=Vt(e[0])*i,o-ao&&(v=o-e)}if(r){let e=(s+c)/2,t=h;this._helper._renderWorldCopies&&(t=Or(h,e-i/2,e+i/2));let n=p/2;t-nc&&(_=c-n)}if(_!==void 0||v!==void 0){let e=new l(_??h,v??g);n.center=Mn(i,e).wrap()}return n},this.applyConstrain=(e,t)=>this._helper.applyConstrain(e,t),this._helper=new rc({calcMatrices:()=>this._calcMatrices(),defaultConstrain:(e,t)=>this.defaultConstrain(e,t)},e),this._coveringTilesDetailsProvider=new ac}clone(){let e=new t;return e.apply(this,!1),e}apply(e,t,n){this._helper.apply(e,t,n)}get cameraPosition(){return this._cameraPosition}get projectionMatrix(){return this._projectionMatrix}get modelViewProjectionMatrix(){return this._viewProjMatrix}get inverseProjectionMatrix(){return this._invProjMatrix}get mercatorMatrix(){return this._mercatorMatrix}getVisibleUnwrappedCoordinates(e){let t=[new Tt(0,e)];if(this._helper._renderWorldCopies){let n=this.screenPointToMercatorCoordinate(new l(0,0)),r=this.screenPointToMercatorCoordinate(new l(this._helper._width,0)),i=this.screenPointToMercatorCoordinate(new l(this._helper._width,this._helper._height)),a=this.screenPointToMercatorCoordinate(new l(0,this._helper._height)),o=Math.floor(Math.min(n.x,r.x,i.x,a.x)),s=Math.floor(Math.max(n.x,r.x,i.x,a.x));for(let n=o-1;n<=s+1;n++)n!==0&&t.push(new Tt(n,e))}return t}getCameraFrustum(){return oc.fromInvProjectionMatrix(this._invViewProjMatrix,this.worldSize)}getClippingPlane(){return null}getCoveringTilesDetailsProvider(){return this._coveringTilesDetailsProvider}recalculateZoomAndCenter(e){let t=this.screenPointToLocation(this.centerPoint,e),n=e?e.getElevationForLngLat(t,this):0;this._helper.recalculateZoomAndCenter(n)}setLocationAtPoint(e,t,n=this.elevation){let r=n-this.elevation,i=this.screenPointToMercatorCoordinateAtZ(t,r),a=this.screenPointToMercatorCoordinateAtZ(this.centerPoint,0),o=B.fromLngLat(e),s=new B(o.x-(i.x-a.x),o.y-(i.y-a.y));this.setCenter(s?.toLngLat()),this._helper._renderWorldCopies&&this.setCenter(this.center.wrap())}locationToScreenPoint(e,t){return t?this.coordinatePoint(B.fromLngLat(e),t.getElevationForLngLat(e,this),this._pixelMatrix3D):this.coordinatePoint(B.fromLngLat(e))}screenPointToLocation(e,t){return this.screenPointToMercatorCoordinate(e,t)?.toLngLat()}screenPointToLocationAtElevation(e,t){return this.screenPointToMercatorCoordinateAtZ(e,t-this.elevation)?.toLngLat()}screenPointToMercatorCoordinate(e,t){if(t){let n=this.screenTerrainPointToMercatorCoordinate(e,t);if(n!=null)return n}return this.screenPointToMercatorCoordinateAtZ(e)}screenTerrainPointToMercatorCoordinate(e,t){let n=t.getCoverageIndex();if(!n)return null;let{near:r,far:i}=this.getRaySegmentFromPixel(e),a=this.worldSize,o=i[0]-r[0],s=i[1]-r[1],c=i[2]-r[2],l={index:n,exaggeration:t.exaggeration,near:r,dx:o,dy:s,dz:c,worldSize:a},u=0,d=1;if(c===0){if(r[2]>n.maxElevation||r[2]d)return null}let f=Math.hypot(o,s),p=M(Math.ceil(f*(d-u)/4),1,512),m=0,h=!xc(l,0);for(let e=0;e<=p;e++){let t=u+(d-u)*e/p;if(!h)h=!xc(l,t);else if(xc(l,t)){let{lo:e,hi:n}=vc(l,xc,m,t,.001/f),i=bc(l,e),u=bc(l,n),d=r[2]+e*c-i.elevation,p=r[2]+n*c-u.elevation,h=i.covered&&d>p?M(e+d*(n-e)/(d-p),e,n):n;return new B((r[0]+h*o)/a,(r[1]+h*s)/a,bc(l,h).elevation)}m=t}return null}getRaySegmentFromPixel(e){let t=[e.x,e.y,0,1],n=[e.x,e.y,1,1];Gt(t,t,this._pixelMatrixInverse),Gt(n,n,this._pixelMatrixInverse);let r=t[3],i=n[3],a=this.elevation;return{near:[t[0]/r,t[1]/r,t[2]/r+a],far:[n[0]/i,n[1]/i,n[2]/i+a]}}screenPointToMercatorCoordinateAtZ(e,t){let n=t||0,{near:r,far:i}=this.getRaySegmentFromPixel(e),a=r[2]===i[2]?0:(n+this.elevation-r[2])/(i[2]-r[2]);return new B(on.number(r[0],i[0],a)/this.worldSize,on.number(r[1],i[1],a)/this.worldSize,n)}coordinatePoint(e,t=0,n=this._pixelMatrix){let r=[e.x*this.worldSize,e.y*this.worldSize,t,1];return Gt(r,r,n),new l(r[0]/r[3],r[1]/r[3])}getBounds(){let e=Math.max(0,this._helper._height/2-Be(this));return new _a().extend(this.screenPointToLocation(new l(0,e))).extend(this.screenPointToLocation(new l(this._helper._width,e))).extend(this.screenPointToLocation(new l(this._helper._width,this._helper._height))).extend(this.screenPointToLocation(new l(0,this._helper._height)))}isPointOnMapSurface(e,t){return t?this.screenTerrainPointToMercatorCoordinate(e,t)!=null:e.y>this.height/2-Be(this)}calculatePosMatrix(e,t=!1,n=!1){let r=e.key??sr(e.wrap,e.canonical.z,e.canonical.z,e.canonical.x,e.canonical.y),i=t?this._alignedPosMatrixCache:this._posMatrixCache;if(i.has(r)){let e=i.get(r);return n?e.f32:e.f64}let a=de(e,this.worldSize);y(a,t?this._alignedProjMatrix:this._viewProjMatrix,a);let o={f64:a,f32:new Float32Array(a)};return i.set(r,o),n?o.f32:o.f64}calculateFogMatrix(e){let t=e.key,n=this._fogMatrixCacheF32;if(n.has(t))return n.get(t);let r=de(e,this.worldSize);return y(r,this._fogMatrix,r),n.set(t,new Float32Array(r)),n.get(t)}calculateCenterFromCameraLngLatAlt(e,t,n,r){return this._helper.calculateCenterFromCameraLngLatAlt(e,t,n,r)}_calculateNearFarZIfNeeded(t,n,r){if(!this._helper.autoCalculateNearFarZ)return;let i=Math.min(this.elevation,this.minElevationForCurrentTile,this.getCameraAltitude()-100),a=t-i*this._helper._pixelPerMeter/Math.cos(n),o=i<0?a:t,s=Math.PI/2+this.pitchInRadians,c=qt(this.fov)*(Math.abs(Math.cos(qt(this.roll)))*this.height+Math.abs(Math.sin(qt(this.roll)))*this.width)/this.height*(.5+r.y/this.height),l=Math.sin(c)*o/Math.sin(M(Math.PI-s-c,.01,Math.PI-.01)),u=Be(this),d=Math.atan(u/this._helper.cameraToCenterDistance),f=qt(90-e),p=d>f?2*d*(.5+r.y/(u*2)):f,m=Math.sin(p)*o/Math.sin(M(Math.PI-s-p,.01,Math.PI-.01)),h=Math.min(l,m);this._helper._farZ=(Math.cos(Math.PI/2-n)*h+o)*1.01,this._helper._nearZ=this._helper._height/50}_calcMatrices(){if(!this._helper._height)return;let t=this.centerOffset,n=Jt(this.worldSize,this.center),r=n.x,i=n.y;this._helper._pixelPerMeter=Tn(1,this.center.lat)*this.worldSize;let o=qt(Math.min(this.pitch,e)),s=Math.max(this._helper.cameraToCenterDistance/2,this._helper.cameraToCenterDistance+this._helper._elevation*this._helper._pixelPerMeter/Math.cos(o));this._calculateNearFarZIfNeeded(s,o,t);let c;c=new Float64Array(16),vn(c,this.fovInRadians,this._helper._width/this._helper._height,this._helper._nearZ,this._helper._farZ),this._invProjMatrix=new Float64Array(16),zo(this._invProjMatrix,c),c[8]=-t.x*2/this._helper._width,c[9]=t.y*2/this._helper._height,this._projectionMatrix=Sr(c),ke(c,c,[1,-1,1]),Le(c,c,[0,0,-this._helper.cameraToCenterDistance]),we(c,c,-this.rollInRadians),a(c,c,this.pitchInRadians),we(c,c,-this.bearingInRadians),Le(c,c,[-r,-i,0]),this._mercatorMatrix=ke([],c,[this.worldSize,this.worldSize,this.worldSize]),ke(c,c,[1,1,this._helper._pixelPerMeter]),this._pixelMatrix=y(new Float64Array(16),this.clipSpaceToPixelsMatrix,c),Le(c,c,[0,0,-this.elevation]),this._viewProjMatrix=c,this._invViewProjMatrix=w([],c);let l=[0,0,-1,1];Gt(l,l,this._invViewProjMatrix),this._cameraPosition=[l[0]/l[3],l[1]/l[3],l[2]/l[3]],this._fogMatrix=new Float64Array(16),vn(this._fogMatrix,this.fovInRadians,this.width/this.height,s,this._helper._farZ),this._fogMatrix[8]=-t.x*2/this.width,this._fogMatrix[9]=t.y*2/this.height,ke(this._fogMatrix,this._fogMatrix,[1,-1,1]),Le(this._fogMatrix,this._fogMatrix,[0,0,-this.cameraToCenterDistance]),we(this._fogMatrix,this._fogMatrix,-this.rollInRadians),a(this._fogMatrix,this._fogMatrix,this.pitchInRadians),we(this._fogMatrix,this._fogMatrix,-this.bearingInRadians),Le(this._fogMatrix,this._fogMatrix,[-r,-i,0]),ke(this._fogMatrix,this._fogMatrix,[1,1,this._helper._pixelPerMeter]),Le(this._fogMatrix,this._fogMatrix,[0,0,-this.elevation]),this._pixelMatrix3D=y(new Float64Array(16),this.clipSpaceToPixelsMatrix,c);let u=this._helper._width%2/2,d=this._helper._height%2/2,f=Math.cos(this.bearingInRadians),p=Math.sin(-this.bearingInRadians),m=r-Math.round(r)+f*u+p*d,h=i-Math.round(i)+f*d+p*u,g=new Float64Array(c);if(Le(g,g,[m>.5?m-1:m,h>.5?h-1:h,0]),this._alignedProjMatrix=g,c=w(new Float64Array(16),this._pixelMatrix),!c)throw Error(`failed to invert matrix`);this._pixelMatrixInverse=c,this._clearMatrixCaches()}_clearMatrixCaches(){this._posMatrixCache.clear(),this._alignedPosMatrixCache.clear(),this._fogMatrixCacheF32.clear()}maxPitchScaleFactor(){if(!this._pixelMatrixInverse)return 1;let e=this.screenPointToMercatorCoordinate(new l(0,0)),t=[e.x*this.worldSize,e.y*this.worldSize,0,1];return Gt(t,t,this._pixelMatrix)[3]/this._helper.cameraToCenterDistance}getCameraPoint(){return this._helper.getCameraPoint()}getCameraAltitude(){return this._helper.getCameraAltitude()}getCameraLngLat(){let e=Tn(1,this.center.lat)*this.worldSize,t=this._helper.cameraToCenterDistance/e;return xt(this.center,this.elevation,this.pitch,this.bearing,t).toLngLat()}lngLatToCameraDepth(e,t){let n=B.fromLngLat(e),r=[n.x*this.worldSize,n.y*this.worldSize,t,1];return Gt(r,r,this._viewProjMatrix),r[2]/r[3]}getProjectionData(e){let{overscaledTileID:t,aligned:n,applyTerrainMatrix:r}=e,i=this._helper.getMercatorTileCoordinates(t),a=t?this.calculatePosMatrix(t,n,!0):null,o;return o=t?.terrainRttPosMatrix32f&&r?t.terrainRttPosMatrix32f:a||Vn(),{mainMatrix:o,tileMercatorCoords:i,clippingPlane:[0,0,0,0],projectionTransition:0,fallbackMatrix:o,clipAntimeridian:!1}}isLocationOccluded(e){return!1}getPixelScale(){return 1}getCircleRadiusCorrection(){return 1}getPitchedTextCorrection(e,t,n){return 1}transformLightDirection(e){return kn(e)}getRayDirectionFromPixel(e){throw Error(`Not implemented.`)}projectTileCoordinates(e,t,n,r){let i=this.calculatePosMatrix(n),a;r==null?(a=[e,t,0,1],ls(a,a,i)):(a=[e,t,r,1],Gt(a,a,i));let o=a[3];return{point:new l(a[0]/o,a[1]/o),signedDistanceFromCamera:o,isOccluded:!1}}populateCache(e){for(let t of e)this.calculatePosMatrix(t)}getProjectionDataForCustomLayer(e=!0){let t=new $t(0,0,0,0,0),n=this.getProjectionData({overscaledTileID:t,applyGlobeMatrix:e}),r=de(t,this.worldSize);y(r,this._viewProjMatrix,r);let i=[N,N,this.worldSize/this._helper.pixelsPerMeter],a=vt();return ke(a,r,i),{...n,tileMercatorCoords:[0,0,1,1],fallbackMatrix:a,mainMatrix:a}}getFastPathSimpleProjectionMatrix(e){return this.calculatePosMatrix(e)}};function bc(e,t){return gc(e.index,e.exaggeration,(e.near[0]+t*e.dx)/e.worldSize,(e.near[1]+t*e.dy)/e.worldSize)}function xc(e,t){return _c(bc(e,t),e.near[2]+t*e.dz)}function Sc(){I(`Map cannot fit within canvas with the given bounds, padding, and/or offset.`)}function Cc(e){if(e.useSlerp){if(e.k<1){let t=hn(e.startEulerAngles.roll,e.startEulerAngles.pitch,e.startEulerAngles.bearing),n=hn(e.endEulerAngles.roll,e.endEulerAngles.pitch,e.endEulerAngles.bearing),r=new Float64Array(4);Ct(r,t,n,e.k);let i=Qt(r);e.tr.setRoll(i.roll),e.tr.setPitch(i.pitch),e.tr.setBearing(i.bearing)}else e.tr.setRoll(e.endEulerAngles.roll),e.tr.setPitch(e.endEulerAngles.pitch),e.tr.setBearing(e.endEulerAngles.bearing)}else e.tr.setRoll(on.number(e.startEulerAngles.roll,e.endEulerAngles.roll,e.k)),e.tr.setPitch(on.number(e.startEulerAngles.pitch,e.endEulerAngles.pitch,e.k)),e.tr.setBearing(on.number(e.startEulerAngles.bearing,e.endEulerAngles.bearing,e.k))}function wc(e,t,n,r,i){let a=i.padding,o=Jt(i.worldSize,n.getNorthWest()),s=Jt(i.worldSize,n.getNorthEast()),c=Jt(i.worldSize,n.getSouthEast()),u=Jt(i.worldSize,n.getSouthWest()),f=qt(-r),p=o.rotate(f),m=s.rotate(f),h=c.rotate(f),g=u.rotate(f),_=new l(Math.max(p.x,m.x,g.x,h.x),Math.max(p.y,m.y,g.y,h.y)),v=new l(Math.min(p.x,m.x,g.x,h.x),Math.min(p.y,m.y,g.y,h.y)),y=_.sub(v),b=i.width-(a.left+a.right+t.left+t.right),x=i.height-(a.top+a.bottom+t.top+t.bottom),S=b/y.x,C=x/y.y;if(C<0||S<0){Sc();return}let w=Math.min(Ee(i.scale*Math.min(S,C)),e.maxZoom),T=l.convert(e.offset),E=(t.left-t.right)/2,D=(t.top-t.bottom)/2,ee=new l(E,D).rotate(qt(r)),O=T.add(ee).mult(i.scale/d(w));return{center:Mn(i.worldSize,o.add(c).div(2).sub(O)),zoom:w,bearing:r}}var Tc=class{get useGlobeControls(){return!1}handlePanInertia(e,t){let n=e.mag(),r=Math.abs(Be(t));return{easingOffset:e.mult(Math.min(r*.75/n,1)),easingCenter:t.center}}handleMapControlsRollPitchBearingZoom(e,t){e.bearingDelta&&t.setBearing(t.bearing+e.bearingDelta),e.pitchDelta&&t.setPitch(t.pitch+e.pitchDelta),e.rollDelta&&t.setRoll(t.roll+e.rollDelta),e.zoomDelta&&t.setZoom(t.zoom+e.zoomDelta)}handleMapControlsPan(e,t,n){e.around.distSqr(t.centerPoint)<.01||t.setLocationAtPoint(n,e.around,e.aroundElevation)}cameraForBoxAndBearing(e,t,n,r,i){return wc(e,t,n,r,i)}handleJumpToCenterZoom(e,t){let n=t.zoom===void 0?e.zoom:+t.zoom;e.zoom!==n&&e.setZoom(+t.zoom),t.center!==void 0&&e.setCenter(V.convert(t.center))}handleEaseTo(e,t){let n=e.zoom,r=e.padding,i={roll:e.roll,pitch:e.pitch,bearing:e.bearing},a={roll:t.roll===void 0?e.roll:t.roll,pitch:t.pitch===void 0?e.pitch:t.pitch,bearing:t.bearing===void 0?e.bearing:t.bearing},o=t.zoom!==void 0,c=!e.isPaddingEqual(t.padding),l=!1,u=o?+t.zoom:e.zoom,f=e.centerPoint.add(t.offsetAsPoint),p=e.screenPointToLocation(f),{center:m,zoom:h}=e.applyConstrain(V.convert(t.center||p),u??n);tc(e,m);let g=Jt(e.worldSize,p),_=Jt(e.worldSize,m).sub(g),v=d(h-n);return l=h!==n,{easeFunc:o=>{if(l&&e.setZoom(on.number(n,h,o)),s(i,a)||Cc({startEulerAngles:i,endEulerAngles:a,tr:e,k:o,useSlerp:i.roll!=a.roll}),c&&(e.interpolatePadding(r,t.padding,o),f=e.centerPoint.add(t.offsetAsPoint)),t.around)e.setLocationAtPoint(t.around,t.aroundPoint);else{let t=d(e.zoom-n),r=(h>n?Math.min(2,v):Math.max(.5,v))**(1-o),i=Mn(e.worldSize,g.add(_.mult(o*r)).mult(t));e.setLocationAtPoint(e.renderWorldCopies?i.wrap():i,f)}},isZooming:l,elevationCenter:m}}handleFlyTo(e,t){let n=t.zoom!==void 0,r=e.zoom,i=e.applyConstrain(V.convert(t.center||t.locationAtOffset),n?+t.zoom:r),a=i.center,o=i.zoom;tc(e,a);let s=e.worldSize,c=Jt(s,t.locationAtOffset),l=Jt(s,a).sub(c),u=l.mag(),f=d(o-r),p=t.minZoom===void 0?e.minZoom:+t.minZoom,m=Math.max(p,e.minZoom),h=Math.min(m,r,o),g=e.applyConstrain(a,h).zoom;return{easeFunc:(t,n,i,u)=>{e.setZoom(t===1?o:r+Ee(n));let d=t===1?a:Mn(s,c.add(l.mult(i)));e.setLocationAtPoint(e.renderWorldCopies?d.wrap():d,u)},scaleOfZoom:f,targetCenter:a,scaleOfMinZoom:d(g-r),pixelPathLength:u}}};let Ec;const Dc=()=>Ec||=new Kt({type:new r(Ft.projection.type,`type`)}),Oc=new Lt({fill:new Tr(128,2),line:new Tr(512,0),tile:new Tr(128,32),stencil:new Tr(128,1),circle:3});var kc=class{constructor(){this._tileMeshCache={}}get name(){return`vertical-perspective`}get transitionState(){return 1}get useSubdivision(){return!0}get shaderVariantName(){return`globe`}get shaderDefine(){return`#define GLOBE`}get shaderPreludeCode(){return Xs.projectionGlobe}get vertexShaderPreludeCode(){return Xs.projectionMercator.vertexSource}get subdivisionGranularity(){return Oc}get useGlobeControls(){return!0}destroy(){}_getMeshKey(e){return`${e.granularity.toString(36)}_${e.generateBorders?`b`:``}${e.extendToNorthPole?`n`:``}${e.extendToSouthPole?`s`:``}`}getMeshFromTileID(e,t,n,r,i){let a=(i===`stencil`?Oc.stencil:Oc.tile).getGranularityForZoomLevel(t.z),o=t.y===0&&r,s=t.y===(1<0}get currentProjection(){return this.useGlobeRendering?this._verticalPerspectiveProjection:this._mercatorProjection}get name(){return`globe`}get useSubdivision(){return this.currentProjection.useSubdivision}get shaderVariantName(){return this.currentProjection.shaderVariantName}get shaderDefine(){return this.currentProjection.shaderDefine}get shaderPreludeCode(){return this.currentProjection.shaderPreludeCode}get vertexShaderPreludeCode(){return this.currentProjection.vertexShaderPreludeCode}get subdivisionGranularity(){return this.currentProjection.subdivisionGranularity}get useGlobeControls(){return this.transitionState>0}destroy(){this._mercatorProjection.destroy(),this._verticalPerspectiveProjection.destroy()}getMeshFromTileID(e,t,n,r,i){return this.currentProjection.getMeshFromTileID(e,t,n,r,i)}setProjection(e){this._transitionable.setValue(`type`,e?.type||`mercator`)}updateTransitions(e){this._transitioning=this._transitionable.transitioned(e,this._transitioning)}hasTransition(){return this._transitioning.hasTransition()||this.currentProjection.hasTransition()}recalculate(e){this.properties=this._transitioning.possiblyEvaluate(e)}};function jc(e){let t=Lc(e.worldSize,e.center.lat);return 2*Math.PI*t}function Mc(e,t,n){let r=Ic(t),i=Ic(n),a=ln(r,i),o=Math.acos(a),s=jc(e);return o/(2*Math.PI)*s}function Nc(e,t){return[yr(e*Math.PI*2+Math.PI,Math.PI*2),2*Math.atan(Math.exp(Math.PI-t*Math.PI*2))-Math.PI*.5]}function Pc(e,t){let n=Math.cos(t),r=new Float64Array(3);return r[0]=Math.sin(e)*n,r[1]=Math.sin(t),r[2]=Math.cos(e)*n,r}function Fc(e,t,n,r,i){let a=1/(1<1e-6){let r=e[0]/n,i=e[2]/n,a=Math.acos(i),o=(r>0?a:-a)/Math.PI*180;return new V(Or(o,-180,180),t)}return new V(0,t)}function zc(e,t){return pe(St(),-e.lng,-e.lat,t)}function Bc(e){let t=e[0],n=e[1],r=e[2],i=e[3];return{lng:-Math.atan2(2*(i*t+n*r),1-2*(t*t+n*n))*180/Math.PI,lat:-Math.asin(M(2*(i*n-r*t),-1,1))*180/Math.PI,bearing:Math.atan2(2*(i*r+t*n),1-2*(n*n+r*r))*180/Math.PI}}const Vc=Math.PI*.98;function Hc(e,t){let n=e.cameraPosition,r=Nn(n);if(r<=1)return e.screenPointToLocation(t);let i=L();Rt(i,n);let a=e.getRayDirectionFromPixel(t),o=-ln(a,i),s=L();Ln(s,a,i,o);let c=Nn(s);if(c<1e-9)return e.screenPointToLocation(t);let l=Math.atan2(c,o),u=Math.asin(1/r)*.9;if(l=0?90:-90,s=e.locationToScreenPoint(new V(0,o)),c=t.x-s.x,l=t.y-s.y,d=c*c+l*l,f=M(1-(u-Math.abs(a))/12,0,1),p=f*f*(3-2*f),m=yr(r-i+180,360)-180,h=0;if(p>0&&n){let e=(c*n.y-l*n.x)/Math.max(d,400);h=(o>0?1:-1)*e*180/Math.PI}return i+(1-p)*m+p*h}function Gc(e){let t=L();return t[0]=e[0]*-e[3],t[1]=e[1]*-e[3],t[2]=e[2]*-e[3],{center:t,radius:Math.sqrt(1-e[3]*e[3])}}function Kc(e,t,n){let r=L();En(r,n,e);let i=L();return Ln(i,e,r,t/At(r)),i}function qc(e){return Math.cos(e*Math.PI/180)}function Jc(e,t){let n=qc(e),r=qc(t);return Ee(r/n)}function Yc(e,t){return 360/jc({worldSize:e,center:{lat:t}})}function Xc(e,t){let n=e.rotate(t.bearingInRadians),r=t.zoom+Jc(t.center.lat,0),i=wr(1/qc(t.center.lat),1/qc(Math.min(Math.abs(t.center.lat),60)),bn(r,7,3,0,1)),a=Yc(t.worldSize,t.center.lat);return new V(t.center.lng-n.x*a*i,M(t.center.lat+n.y*a,-u,u))}function Zc(e){let t=.5*e,n=Math.sin(t),r=Math.cos(t);return Math.log(n+r)-Math.log(r-n)}function Qc(e,t,n,r){let i=e.lat+n*r;if(Math.abs(n)>1){let a=e.lat+n,o=(Math.sign(a)===Math.sign(e.lat)?Math.abs(e.lat):-Math.abs(e.lat))*Math.PI/180,s=Math.abs(e.lat+n)*Math.PI/180,c=Zc(o+r*(s-o)),l=Zc(o),u=Zc(s),d=(c-l)/(u-l),f=e.lng+t*d;return new V(f,i)}{let n=e.lng+t*r;return new V(n,i)}}function $c(e,t,n=1){let r=ln(e,t),i=n*n,a=L(),o=L();Xt(o,t,r),En(a,e,o);let s=i-ln(a,a);if(s<0)return null;let c=ln(e,e)-i,l=-r+(r<0?1:-1)*Math.sqrt(s),u=c/l,d=l;return{tMin:Math.min(u,d),tMax:Math.max(u,d)}}var el=class{constructor(e){this._cachePrevious=new Map,this._cache=new Map,this._hadAnyChanges=!1,this._boundingVolumeFactory=e}swapBuffers(){if(!this._hadAnyChanges)return;let e=this._cachePrevious;this._cachePrevious=this._cache,this._cache=e,this._cache.clear(),this._hadAnyChanges=!1}getTileBoundingVolume(e,t,n,r){let i=`${e.z}_${e.x}_${e.y}_${r?.terrain?`t`:``}_${Math.round(n)}`,a=this._cache.get(i);if(a)return a;let o=this._cachePrevious.get(i);if(o)return this._cache.set(i,o),o;let s=this._boundingVolumeFactory(e,t,n,r);return this._cache.set(i,s),this._hadAnyChanges=!0,s}},tl=class e{constructor(e,t,n,r){this.min=n,this.max=r,this.points=e,this.planes=t}static fromAabb(t,n){let r=[];for(let e=0;e<8;e++)r.push([(e>>0&1)==1?n[0]:t[0],(e>>1&1)==1?n[1]:t[1],(e>>2&1)==1?n[2]:t[2]]);return new e(r,[[-1,0,0,n[0]],[1,0,0,-t[0]],[0,-1,0,n[1]],[0,1,0,-t[1]],[0,0,-1,n[2]],[0,0,1,-t[2]]],t,n)}static fromCenterSizeAngles(t,n,r){let i=pe([],r[0],r[1],r[2]),a=Et([],[n[0],0,0],i),o=Et([],[0,n[1],0],i),s=Et([],[0,0,n[2]],i),c=[...t],l=[...t];for(let e=0;e<8;e++)for(let n=0;n<3;n++){let r=t[n]+a[n]*((e>>0&1)==1?1:-1)+o[n]*((e>>1&1)==1?1:-1)+s[n]*((e>>2&1)==1?1:-1);c[n]=Math.min(c[n],r),l[n]=Math.max(l[n],r)}let u=[];for(let e=0;e<8;e++){let n=[...t];$n(n,n,Xt([],a,(e>>0&1)==1?1:-1)),$n(n,n,Xt([],o,(e>>1&1)==1?1:-1)),$n(n,n,Xt([],s,(e>>2&1)==1?1:-1)),u.push(n)}return new e(u,[[...a,-ln(a,u[0])],[...o,-ln(o,u[0])],[...s,-ln(s,u[0])],[-a[0],-a[1],-a[2],-ln(a,u[7])],[-o[0],-o[1],-o[2],-ln(o,u[7])],[-s[0],-s[1],-s[2],-ln(s,u[7])]],c,l)}intersectsFrustum(e){let t=!0,n=this.points.length,r=this.planes.length,i=e.planes.length,a=e.points.length;for(let r=0;r=0&&a++}if(a===0)return 0;a=0&&r++}if(r===0)return 0}return 1}intersectsPlane(e){let t=this.points.length,n=0;for(let r=0;r=0&&n++}return n===t?2:n===0?0:1}};function nl(e,t,n){let r=e-t;return r<0?-r:Math.max(0,r-n)}function rl(e,t,n,r,i){let a=e-n,o;return o=a<0?Math.min(-a,1+a-i):a>i?Math.min(Math.max(a-i,0),1-a):0,Math.max(o,nl(t,r,i))}var il=class{constructor(){this._boundingVolumeCache=new el(this._computeTileBoundingVolume)}prepareNextFrame(){this._boundingVolumeCache.swapBuffers()}distanceToTile2d(e,t,n,r){let i=1<4}allowWorldCopies(){return!1}getTileBoundingVolume(e,t,n,r){return this._boundingVolumeCache.getTileBoundingVolume(e,t,n,r)}_computeTileBoundingVolume(e,t,n,r){let i=Math.min(0,n),a=Math.max(0,n);if(r?.terrain){let n=new $t(e.z,t,e.z,e.x,e.y),o=r.terrain.getMinMaxElevation(n);i=o.minElevation??i,a=o.maxElevation??a}if(i/=Wt,a/=Wt,i+=1,a+=1,e.z<=0)return tl.fromAabb([-a,-a,-a],[a,a,a]);if(e.z===1)return tl.fromAabb([e.x===0?-a:0,e.y===0?0:-a,-a],[e.x===0?0:a,e.y===0?a:0,a]);{let t=[Fc(0,0,e.x,e.y,e.z),Fc(N,0,e.x,e.y,e.z),Fc(N,N,e.x,e.y,e.z),Fc(0,N,e.x,e.y,e.z)],n=[];for(let e of t)n.push(Xt([],e,a));if(a!==i)for(let e of t)n.push(Xt([],e,i));e.y===0&&n.push([0,1,0]),e.y===(1<=(1<{let n=M(e.lat,-u,u),r=M(+t,this.minZoom+Jc(0,n),this.maxZoom);return{center:new V(e.lng,n),zoom:r}},this.applyConstrain=(e,t)=>this._helper.applyConstrain(e,t),this._helper=new rc({calcMatrices:()=>this._calcMatrices(),defaultConstrain:(e,t)=>this.defaultConstrain(e,t)},e),this._coveringTilesDetailsProvider=new il}clone(){let t=new e;return t.apply(this,!1),t}apply(e,t){this._helper.apply(e,t)}get projectionMatrix(){return this._projectionMatrix}get modelViewProjectionMatrix(){return this._globeViewProjMatrixF64}get inverseProjectionMatrix(){return this._globeProjMatrixInverted}get cameraPosition(){let e=L();return e[0]=this._cameraPosition[0],e[1]=this._cameraPosition[1],e[2]=this._cameraPosition[2],e}get cameraToCenterDistance(){return this._helper.cameraToCenterDistance}getProjectionData(e){let{overscaledTileID:t,applyGlobeMatrix:n}=e,r=this._helper.getMercatorTileCoordinates(t);return{mainMatrix:this._globeViewProjMatrix32f,tileMercatorCoords:r,clippingPlane:this._cachedClippingPlane,projectionTransition:+!!n,fallbackMatrix:this._globeViewProjMatrix32f,clipAntimeridian:t?.canonical.z===0}}_computeClippingPlane(e){let t=this.pitchInRadians,n=this.cameraToCenterDistance/e,r=Math.sin(t)*n,i=Math.cos(t)*n+1,a=1/Math.sqrt(r*r+i*i)*1,o=-r,s=i,c=Math.sqrt(o*o+s*s);o/=c,s/=c;let l=[0,o,s];Ht(l,l,[0,0,0],-this.bearingInRadians),Sn(l,l,[0,0,0],-1*this.center.lat*Math.PI/180),ir(l,l,[0,0,0],this.center.lng*Math.PI/180);let u=1/Nn(l);return Xt(l,l,u),[...l,-a*u]}isLocationOccluded(e){return!this.isSurfacePointVisible(Ic(e))}transformLightDirection(e){let t=this._helper._center.lng*Math.PI/180,n=this._helper._center.lat*Math.PI/180,r=Math.cos(n),i=[Math.sin(t)*r,Math.sin(n),Math.cos(t)*r],a=[i[2],0,-i[0]],o=[0,0,0];Gn(o,a,i),Rt(a,a),Rt(o,o);let s=[a[0]*e[0]+o[0]*e[1]+i[0]*e[2],a[1]*e[0]+o[1]*e[1]+i[1]*e[2],a[2]*e[0]+o[2]*e[1]+i[2]*e[2]],c=[0,0,0];return Rt(c,s),c}getPixelScale(){return 1/Math.cos(this._helper._center.lat*Math.PI/180)}getCircleRadiusCorrection(){return Math.cos(this._helper._center.lat*Math.PI/180)}getPitchedTextCorrection(e,t,n){let r=nr(e,t,n.canonical),i=Nc(r.x,r.y);return this.getCircleRadiusCorrection()/Math.cos(i[1])}projectTileCoordinates(e,t,n,r){let i=n.canonical,a=Fc(e,t,i.x,i.y,i.z),o=1+(r??0)/Wt,s=[a[0]*o,a[1]*o,a[2]*o,1];Gt(s,s,this._globeViewProjMatrixF64);let c=this._cachedClippingPlane,u=c[0]*a[0]+c[1]*a[1]+c[2]*a[2]+c[3]<0;return{point:new l(s[0]/s[3],s[1]/s[3]),signedDistanceFromCamera:s[3],isOccluded:u}}_calcMatrices(){if(!this._helper._width||!this._helper._height)return;let e=Lc(this.worldSize,this.center.lat),t=vt();this._helper.autoCalculateNearFarZ&&(this._helper._nearZ=.5,this._helper._farZ=this.cameraToCenterDistance+e*2),vn(t,this.fovInRadians,this.width/this.height,this._helper._nearZ,this._helper._farZ);let n=this.centerOffset;t[8]=-n.x*2/this._helper._width,t[9]=n.y*2/this._helper._height,this._projectionMatrix=Sr(t),this._globeProjMatrixInverted=vt(),w(this._globeProjMatrixInverted,t),Le(t,t,[0,0,-this.cameraToCenterDistance]),we(t,t,this.rollInRadians),a(t,t,-this.pitchInRadians),we(t,t,this.bearingInRadians),Le(t,t,[0,0,-e]);let r=L();r[0]=e,r[1]=e,r[2]=e,a(t,t,this.center.lat*Math.PI/180),pn(t,t,-this.center.lng*Math.PI/180),ke(t,t,r),this._globeViewProjMatrixF64=t,this._globeViewProjMatrix32f=new Float32Array(t),this._globeViewProjMatrixF64Inverted=vt(),w(this._globeViewProjMatrixF64Inverted,t);let i=L();this._cameraPosition=L(),this._cameraPosition[2]=this.cameraToCenterDistance/e,Ht(this._cameraPosition,this._cameraPosition,i,-this.rollInRadians),Sn(this._cameraPosition,this._cameraPosition,i,this.pitchInRadians),Ht(this._cameraPosition,this._cameraPosition,i,-this.bearingInRadians),$n(this._cameraPosition,this._cameraPosition,[0,0,1]),Sn(this._cameraPosition,this._cameraPosition,i,-this.center.lat*Math.PI/180),ir(this._cameraPosition,this._cameraPosition,i,this.center.lng*Math.PI/180),this._cachedClippingPlane=this._computeClippingPlane(e);let o=Sr(this._globeViewProjMatrixF64Inverted);ke(o,o,[1,1,-1]),this._cachedFrustum=oc.fromInvProjectionMatrix(o,1,0,this._cachedClippingPlane,!0)}calculateFogMatrix(e){I(`calculateFogMatrix is not supported on globe projection.`);let t=vt();return $e(t),t}getVisibleUnwrappedCoordinates(e){return[new Tt(0,e)]}getCameraFrustum(){return this._cachedFrustum}getClippingPlane(){return this._cachedClippingPlane}getCoveringTilesDetailsProvider(){return this._coveringTilesDetailsProvider}recalculateZoomAndCenter(e){if(e){I(`terrain is not fully supported on vertical perspective projection.`);return}this._helper.recalculateZoomAndCenter(0)}maxPitchScaleFactor(){return 1}getCameraPoint(){return this._helper.getCameraPoint()}getCameraAltitude(){return this._helper.getCameraAltitude()}getCameraLngLat(){return this._helper.getCameraLngLat()}lngLatToCameraDepth(e,t){if(!this._globeViewProjMatrixF64)return 1;let n=Ic(e);Xt(n,n,1+t/Wt);let r=St();return Gt(r,[n[0],n[1],n[2],1],this._globeViewProjMatrixF64),r[2]/r[3]}populateCache(e){}getBounds(){let e=this.width*.5,t=this.height*.5,n=[new l(0,0),new l(e,0),new l(this.width,0),new l(this.width,t),new l(this.width,this.height),new l(e,this.height),new l(0,this.height),new l(0,t)],r=[];for(let e of n)r.push(this.unprojectScreenPoint(e));let i=0,a=0,o=0,s=0,c=this.center;for(let e of r){let t=tr(c.lng,e.lng),n=tr(c.lat,e.lat);ti&&(i=t),no&&(o=n)}let u=[c.lng+a,c.lat+s,c.lng+i,c.lat+o];return this.isSurfacePointOnScreen([0,1,0])&&(u[3]=90,u[0]=-180,u[2]=180),this.isSurfacePointOnScreen([0,-1,0])&&(u[1]=-90,u[0]=-180,u[2]=180),new _a(u)}calculateCenterFromCameraLngLatAlt(e,t,n,r){return this._helper.calculateCenterFromCameraLngLatAlt(e,t,n,r)}setLocationAtPoint(e,t,n){let r=Ic(this.unprojectScreenPoint(t)),i=Ic(e),a=L();cr(a);let o=L();ir(o,r,a,-this.center.lng*Math.PI/180),Sn(o,o,a,this.center.lat*Math.PI/180);let s=i[0]*i[0]+i[2]*i[2],c=o[0]*o[0];if(s=-_&&m<=_,y=g>=-_&&g<=_,b,x;if(v&&y){let e=this.center.lng*Math.PI/180,t=this.center.lat*Math.PI/180,n=jn(d,e),r=jn(m,t),i=jn(f,e),a=jn(g,t);n+r=0}isSurfacePointOnScreen(e){if(!this.isSurfacePointVisible(e))return!1;let t=St();return Gt(t,[...e,1],this._globeViewProjMatrixF64),t[0]/=t[3],t[1]/=t[3],t[2]/=t[3],t[0]>-1&&t[0]<1&&t[1]>-1&&t[1]<1&&t[2]>-1&&t[2]<1}unprojectScreenPoint(e){let t=this._cameraPosition,n=this.getRayDirectionFromPixel(e),r=$c(t,n);if(r){let e=L();$n(e,t,[n[0]*r.tMin,n[1]*r.tMin,n[2]*r.tMin]);let i=L();return Rt(i,e),Rc(i)}let i=this._cachedClippingPlane,a=i[0]*n[0]+i[1]*n[1]+i[2]*n[2],o=-tt(i,t)/a,s=L();if(o>0)$n(s,t,[n[0]*o,n[1]*o,n[2]*o]);else{let e=L();$n(e,t,[n[0]*2,n[1]*2,n[2]*2]);let r=tt(this._cachedClippingPlane,e);En(s,e,[this._cachedClippingPlane[0]*r,this._cachedClippingPlane[1]*r,this._cachedClippingPlane[2]*r])}let c=Gc(i);return Rc(Kc(c.center,c.radius,s))}getProjectionDataForCustomLayer(e=!0){let t=this.getProjectionData({overscaledTileID:new $t(0,0,0,0,0),applyGlobeMatrix:e});return t.tileMercatorCoords=[0,0,1,1],t}getFastPathSimpleProjectionMatrix(e){}};function sl(e,t){let n=L();Ln(n,e.origin,e.direction,t);let r=Nn(n),i=L();Xt(i,n,1/r);let a=Rc(i),o=B.fromLngLat(a),s=new B(o.x,M(o.y,0,.999999999)),c=gc(e.index,e.exaggeration,s.x,s.y),l=Math.abs(a.lat)>85.051129?0:c.elevation;return{sample:{...c,elevation:l},radius:r,mercator:s}}function cl(e,t){let{sample:n,radius:r}=sl(e,t);return _c(n,(r-1)*Wt)}var ll=class e{get pixelsToClipSpaceMatrix(){return this._helper.pixelsToClipSpaceMatrix}get clipSpaceToPixelsMatrix(){return this._helper.clipSpaceToPixelsMatrix}get pixelsToGLUnits(){return this._helper.pixelsToGLUnits}get centerOffset(){return this._helper.centerOffset}get size(){return this._helper.size}get rotationMatrix(){return this._helper.rotationMatrix}get centerPoint(){return this._helper.centerPoint}get pixelsPerMeter(){return this._helper.pixelsPerMeter}setMinZoom(e){this._helper.setMinZoom(e)}setMaxZoom(e){this._helper.setMaxZoom(e)}setMinPitch(e){this._helper.setMinPitch(e)}setMaxPitch(e){this._helper.setMaxPitch(e)}setRenderWorldCopies(e){this._helper.setRenderWorldCopies(e)}setBearing(e){this._helper.setBearing(e)}setPitch(e){this._helper.setPitch(e)}setRoll(e){this._helper.setRoll(e)}setFov(e){this._helper.setFov(e)}setZoom(e){this._helper.setZoom(e)}setCenter(e){this._helper.setCenter(e)}setElevation(e){this._helper.setElevation(e)}setMinElevationForCurrentTile(e){this._helper.setMinElevationForCurrentTile(e)}setPadding(e){this._helper.setPadding(e)}interpolatePadding(e,t,n){this._helper.interpolatePadding(e,t,n)}isPaddingEqual(e){return this._helper.isPaddingEqual(e)}resize(e,t,n=!0){this._helper.resize(e,t,n)}getMaxBounds(){return this._helper.getMaxBounds()}setMaxBounds(e){this._helper.setMaxBounds(e)}setConstrainOverride(e){this._helper.setConstrainOverride(e)}overrideNearFarZ(e,t){this._helper.overrideNearFarZ(e,t)}clearNearFarZOverride(){this._helper.clearNearFarZOverride()}getCameraQueryGeometry(e){return this._helper.getCameraQueryGeometry(this.getCameraPoint(),e)}get tileSize(){return this._helper.tileSize}get tileZoom(){return this._helper.tileZoom}get scale(){return this._helper.scale}get worldSize(){return this._helper.worldSize}get width(){return this._helper.width}get height(){return this._helper.height}get lngRange(){return this._helper.lngRange}get latRange(){return this._helper.latRange}get minZoom(){return this._helper.minZoom}get maxZoom(){return this._helper.maxZoom}get zoom(){return this._helper.zoom}get center(){return this._helper.center}get minPitch(){return this._helper.minPitch}get maxPitch(){return this._helper.maxPitch}get pitch(){return this._helper.pitch}get pitchInRadians(){return this._helper.pitchInRadians}get roll(){return this._helper.roll}get rollInRadians(){return this._helper.rollInRadians}get bearing(){return this._helper.bearing}get bearingInRadians(){return this._helper.bearingInRadians}get fov(){return this._helper.fov}get fovInRadians(){return this._helper.fovInRadians}get elevation(){return this._helper.elevation}get minElevationForCurrentTile(){return this._helper.minElevationForCurrentTile}get padding(){return this._helper.padding}get unmodified(){return this._helper.unmodified}get renderWorldCopies(){return this._helper.renderWorldCopies}get cameraToCenterDistance(){return this._helper.cameraToCenterDistance}get constrainOverride(){return this._helper.constrainOverride}get nearZ(){return this._helper.nearZ}get farZ(){return this._helper.farZ}get autoCalculateNearFarZ(){return this._helper.autoCalculateNearFarZ}get isGlobeRendering(){return this._globeness>0}setTransitionState(e){this._globeness=e,this._calcMatrices(),this._verticalPerspectiveTransform.getCoveringTilesDetailsProvider().prepareNextFrame(),this._mercatorTransform.getCoveringTilesDetailsProvider().prepareNextFrame()}get currentTransform(){return this.isGlobeRendering?this._verticalPerspectiveTransform:this._mercatorTransform}constructor(e){this._globeness=1,this.defaultConstrain=(e,t)=>this.currentTransform.defaultConstrain(e,t),this.applyConstrain=(e,t)=>this._helper.applyConstrain(e,t),this._helper=new rc({calcMatrices:()=>this._calcMatrices(),defaultConstrain:(e,t)=>this.defaultConstrain(e,t)},e),this._globeness=1,this._mercatorTransform=new yc,this._verticalPerspectiveTransform=new ol}clone(){let t=new e;return t._globeness=this._globeness,t.apply(this,!1),t}apply(e,t){this._helper.apply(e,t),this._mercatorTransform.apply(this,!1),this._verticalPerspectiveTransform.apply(this,!1)}get projectionMatrix(){return this.currentTransform.projectionMatrix}get modelViewProjectionMatrix(){return this.currentTransform.modelViewProjectionMatrix}get inverseProjectionMatrix(){return this.currentTransform.inverseProjectionMatrix}get cameraPosition(){return this.currentTransform.cameraPosition}getProjectionData(e){let t=this._mercatorTransform.getProjectionData(e),n=this._verticalPerspectiveTransform.getProjectionData(e);return{mainMatrix:this.isGlobeRendering?n.mainMatrix:t.mainMatrix,clippingPlane:n.clippingPlane,tileMercatorCoords:n.tileMercatorCoords,projectionTransition:e.applyGlobeMatrix?this._globeness:0,fallbackMatrix:t.fallbackMatrix,clipAntimeridian:n.clipAntimeridian}}isLocationOccluded(e){return this.currentTransform.isLocationOccluded(e)}transformLightDirection(e){return this.currentTransform.transformLightDirection(e)}getPixelScale(){return wr(this._mercatorTransform.getPixelScale(),this._verticalPerspectiveTransform.getPixelScale(),this._globeness)}getCircleRadiusCorrection(){return wr(this._mercatorTransform.getCircleRadiusCorrection(),this._verticalPerspectiveTransform.getCircleRadiusCorrection(),this._globeness)}getPitchedTextCorrection(e,t,n){let r=this._mercatorTransform.getPitchedTextCorrection(e,t,n),i=this._verticalPerspectiveTransform.getPitchedTextCorrection(e,t,n);return wr(r,i,this._globeness)}projectTileCoordinates(e,t,n,r){return this.currentTransform.projectTileCoordinates(e,t,n,r)}_calcMatrices(){!this._helper._width||!this._helper._height||(this._verticalPerspectiveTransform.apply(this,!1),this._helper._nearZ=this._verticalPerspectiveTransform.nearZ,this._helper._farZ=this._verticalPerspectiveTransform.farZ,this._mercatorTransform.apply(this,!0,this.isGlobeRendering),this._helper._nearZ=this._mercatorTransform.nearZ,this._helper._farZ=this._mercatorTransform.farZ)}calculateFogMatrix(e){return this.currentTransform.calculateFogMatrix(e)}getVisibleUnwrappedCoordinates(e){return this.currentTransform.getVisibleUnwrappedCoordinates(e)}getCameraFrustum(){return this.currentTransform.getCameraFrustum()}getClippingPlane(){return this.currentTransform.getClippingPlane()}getCoveringTilesDetailsProvider(){return this.currentTransform.getCoveringTilesDetailsProvider()}recalculateZoomAndCenter(e){this.currentTransform.recalculateZoomAndCenter(e)}maxPitchScaleFactor(){return this._mercatorTransform.maxPitchScaleFactor()}getCameraPoint(){return this._helper.getCameraPoint()}getCameraAltitude(){return this._helper.getCameraAltitude()}getCameraLngLat(){return this._helper.getCameraLngLat()}lngLatToCameraDepth(e,t){return this.currentTransform.lngLatToCameraDepth(e,t)}populateCache(e){this._mercatorTransform.populateCache(e),this._verticalPerspectiveTransform.populateCache(e)}getBounds(){return this.currentTransform.getBounds()}calculateCenterFromCameraLngLatAlt(e,t,n,r){return this._helper.calculateCenterFromCameraLngLatAlt(e,t,n,r)}setLocationAtPoint(e,t,n){if(!this.isGlobeRendering){this._mercatorTransform.setLocationAtPoint(e,t,n),this.apply(this._mercatorTransform,!1);return}this._verticalPerspectiveTransform.setLocationAtPoint(e,t,n),this.apply(this._verticalPerspectiveTransform,!1)}locationToScreenPoint(e,t){return this.currentTransform.locationToScreenPoint(e,t)}screenPointToMercatorCoordinate(e,t){return this.currentTransform.screenPointToMercatorCoordinate(e,t)}screenTerrainPointToMercatorCoordinate(e,t){return this.currentTransform.screenTerrainPointToMercatorCoordinate(e,t)}screenPointToLocation(e,t){return this.currentTransform.screenPointToLocation(e,t)}screenPointToLocationAtElevation(e,t){return this.currentTransform.screenPointToLocationAtElevation(e,t)}isPointOnMapSurface(e,t){return this.currentTransform.isPointOnMapSurface(e,t)}getRayDirectionFromPixel(e){return this._verticalPerspectiveTransform.getRayDirectionFromPixel(e)}getProjectionDataForCustomLayer(e=!0){let t=this._mercatorTransform.getProjectionDataForCustomLayer(e);if(!this.isGlobeRendering)return t;let n=this._verticalPerspectiveTransform.getProjectionDataForCustomLayer(e);return n.fallbackMatrix=t.mainMatrix,n.projectionTransition=this._globeness,n}getFastPathSimpleProjectionMatrix(e){return this.currentTransform.getFastPathSimpleProjectionMatrix(e)}},ul=class e{get useGlobeControls(){return!0}handlePanInertia(e,t){let n=Xc(e,t);return Math.abs(n.lng-t.center.lng)>180&&(n.lng=t.center.lng+179.5*Math.sign(n.lng-t.center.lng)),{easingCenter:n,easingOffset:new l(0,0)}}handleMapControlsRollPitchBearingZoom(e,t){let n=e.around,r=t.screenPointToLocation(n);e.bearingDelta&&t.setBearing(t.bearing+e.bearingDelta),e.pitchDelta&&t.setPitch(t.pitch+e.pitchDelta),e.rollDelta&&t.setRoll(t.roll+e.rollDelta);let i=t.zoom;e.zoomDelta&&t.setZoom(t.zoom+e.zoomDelta);let a=t.zoom-i;if(a===0)return;let o=tr(t.center.lng,r.lng),s=o/(Math.abs(o/180)+1),c=tr(t.center.lat,r.lat),l=t.getRayDirectionFromPixel(n),f=t.cameraPosition,p=ln(f,l)*-1,m=L();$n(m,f,[l[0]*p,l[1]*p,l[2]*p]);let h=Nn(m),g=h-1,_=Math.exp(-Math.max(g-.3,0)*.5),v=bn(h,.95,.999,0,1),y=Lc(t.worldSize,t.center.lat)/Math.min(t.width,t.height),b=bn(y,.9,.5,1,.25),x=Math.min(_,wr(1,b,v)),S=(1-d(-a))*x,C=t.center.lat,w=t.zoom,T=new V(t.center.lng+s*S,M(t.center.lat+c*S,-u,u));t.setLocationAtPoint(r,n);let E=t.center,D=bn(Math.abs(o),45,85,0,1),ee=Math.max(D,v)**.25,O=tr(E.lng,T.lng),k=tr(E.lat,T.lat);t.setCenter(new V(E.lng+O*ee,E.lat+k*ee).wrap()),t.setZoom(w+Jc(C,t.center.lat))}handleMapControlsPan(e,t,n){e.panDelta&&Uc(t,n,t.isPointOnMapSurface(e.around)?e.around:t.centerPoint,e.panDelta)}cameraForBoxAndBearing(t,n,r,i,a){let o=wc(t,n,r,i,a),s=n.left/a.width*2-1,c=(a.width-n.right)/a.width*2-1,l=n.top/a.height*-2+1,u=(a.height-n.bottom)/a.height*-2+1,d=tr(r.getWest(),r.getEast())<0,f=d?r.getEast():r.getWest(),p=d?r.getWest():r.getEast(),m=Math.max(r.getNorth(),r.getSouth()),h=Math.min(r.getNorth(),r.getSouth()),g=f+tr(f,p)*.5,_=m+tr(m,h)*.5,v=a.clone();v.setCenter(o.center),v.setBearing(o.bearing),v.setPitch(0),v.setRoll(0),v.setZoom(o.zoom);let y=v.modelViewProjectionMatrix,b=[Ic(r.getNorthWest()),Ic(r.getNorthEast()),Ic(r.getSouthWest()),Ic(r.getSouthEast()),Ic(new V(p,_)),Ic(new V(f,_)),Ic(new V(g,m)),Ic(new V(g,h))],x=Ic(o.center),S=1/0;for(let t of b)s<0&&(S=e.getLesserNonNegativeNonNull(S,e.solveVectorScale(t,x,y,`x`,s))),c>0&&(S=e.getLesserNonNegativeNonNull(S,e.solveVectorScale(t,x,y,`x`,c))),l>0&&(S=e.getLesserNonNegativeNonNull(S,e.solveVectorScale(t,x,y,`y`,l))),u<0&&(S=e.getLesserNonNegativeNonNull(S,e.solveVectorScale(t,x,y,`y`,u)));if(!Number.isFinite(S)||S===0){Sc();return}return o.zoom=Math.min(v.zoom+Ee(S),t.maxZoom),o}handleJumpToCenterZoom(e,t){let n=e.center.lat,r=e.applyConstrain(t.center?V.convert(t.center):e.center,e.zoom).center;e.setCenter(r.wrap());let i=t.zoom===void 0?e.zoom+Jc(n,r.lat):+t.zoom;e.zoom!==i&&e.setZoom(i)}handleEaseTo(e,t){let n=e.zoom,r=e.center,i=e.padding,a={roll:e.roll,pitch:e.pitch,bearing:e.bearing},o={roll:t.roll===void 0?e.roll:t.roll,pitch:t.pitch===void 0?e.pitch:t.pitch,bearing:t.bearing===void 0?e.bearing:t.bearing},c=t.zoom!==void 0,u=!e.isPaddingEqual(t.padding),f=!1,p=t.center?V.convert(t.center):r,m=e.applyConstrain(p,n).center;tc(e,m);let h=e.clone();h.setCenter(m),h.setZoom(c?+t.zoom:n+Jc(r.lat,p.lat)),h.setBearing(t.bearing);let g=new l(M(e.centerPoint.x+t.offsetAsPoint.x,0,e.width),M(e.centerPoint.y+t.offsetAsPoint.y,0,e.height));h.setLocationAtPoint(m,g);let _=(t.offset&&t.offsetAsPoint.mag())>0?h.center:m,v=c?+t.zoom:n+Jc(r.lat,_.lat),y=n+Jc(r.lat,0),b=v+Jc(_.lat,0),x=tr(r.lng,_.lng),S=tr(r.lat,_.lat),C=d(b-y);return f=v!==n,{easeFunc:n=>{if(s(a,o)||Cc({startEulerAngles:a,endEulerAngles:o,tr:e,k:n,useSlerp:a.roll!=o.roll}),u&&e.interpolatePadding(i,t.padding,n),t.around)I(`Easing around a point is not supported under globe projection.`),e.setLocationAtPoint(t.around,t.aroundPoint);else{let t=n*(b>y?Math.min(2,C):Math.max(.5,C))**(1-n),i=Qc(r,x,S,t);e.setCenter(i.wrap())}if(f){let t=on.number(y,b,n)+Jc(0,e.center.lat);e.setZoom(t)}},isZooming:f,elevationCenter:_}}handleFlyTo(e,t){let n=t.zoom!==void 0,r=e.center,i=e.zoom,a=e.padding,o=!e.isPaddingEqual(t.padding),s=e.applyConstrain(V.convert(t.center||t.locationAtOffset),i).center,c=n?+t.zoom:e.zoom+Jc(e.center.lat,s.lat),u=e.clone();u.setCenter(s),u.setZoom(c),u.setBearing(t.bearing);let f=new l(M(e.centerPoint.x+t.offsetAsPoint.x,0,e.width),M(e.centerPoint.y+t.offsetAsPoint.y,0,e.height));u.setLocationAtPoint(s,f);let p=u.center;tc(e,p);let m=Mc(e,r,p),h=i+Jc(r.lat,0),g=c+Jc(p.lat,0),_=d(g-h),v=typeof t.minZoom==`number`?+t.minZoom:e.minZoom,y=Math.max(v,e.minZoom)+Jc(p.lat,0),b=Math.min(y,h,g)+Jc(0,p.lat),x=e.applyConstrain(p,b).zoom+Jc(p.lat,0),S=d(x-h),C=tr(r.lng,p.lng),w=tr(r.lat,p.lat);return{easeFunc:(n,i,s,l)=>{let u=Qc(r,C,w,s);o&&e.interpolatePadding(a,t.padding,n);let d=n===1?p:u;e.setCenter(d.wrap());let f=h+Ee(i);e.setZoom(n===1?c:f+Jc(0,d.lat))},scaleOfZoom:_,targetCenter:p,scaleOfMinZoom:S,pixelPathLength:m}}static solveVectorScale(e,t,n,r,i){let a=i,o=r===`x`?[n[0],n[4],n[8],n[12]]:[n[1],n[5],n[9],n[13]],s=[n[3],n[7],n[11],n[15]],c=e[0]*o[0]+e[1]*o[1]+e[2]*o[2],l=e[0]*s[0]+e[1]*s[1]+e[2]*s[2],u=t[0]*o[0]+t[1]*o[1]+t[2]*o[2],d=t[0]*s[0]+t[1]*s[1]+t[2]*s[2],f=(u+o[3]-a*d-a*s[3])/(u-c-a*d+a*l);return u+a*l===c+a*d||s[3]*(c-u)+o[3]*(d-l)+c*d===u*l?null:f}static getLesserNonNegativeNonNull(e,t){return t!==null&&t>=0&&t{for(let e in this.tileManagers){let t=this.tileManagers[e].getSource().type;(t===`vector`||t===`geojson`)&&this.tileManagers[e].reload()}},this.map=e,this.dispatcher=new ra(ea(),e._getMapId()),this.dispatcher.registerMessageHandler(`GG`,(e,t)=>this.getGlyphs(e,t)),this.dispatcher.registerMessageHandler(`GI`,(e,t)=>this.getImages(e,t)),this.dispatcher.registerMessageHandler(`GDA`,(e,t)=>this.getDashes(e,t)),this.imageManager=new bi,this.imageManager.setEventedParent(this),this.imageManager.setMissingImageResolver(e._missingStyleImageResolver),this.patternAtlas=new xi(this.imageManager);let n=e._container?.lang||typeof document<`u`&&document.documentElement?.lang||void 0;this.glyphManager=new Ii(e._requestManager,t.localIdeographFontFamily,n),this.lineAtlas=new Ui(256,512),this.crossTileSymbolIndex=new Bs,this._setInitialValues(),this._resetUpdates(),this.dispatcher.broadcast(`SR`,Pe()),fo().on(co,this._rtlPluginLoaded),this.on(`data`,e=>{if(e.dataType!==`source`||e.sourceDataType!==`metadata`)return;let t=this.tileManagers[e.sourceId];if(!t)return;let n=t.getSource();if(n?.vectorLayerIds)for(let e in this._layers){let t=this._layers[e];t.source===n.id&&this._validateLayer(t)}})}_setInitialValues(){this._layers={},this._order=[],this.tileManagers={},this.zoomHistory=new Pn,this._imagesListDirty=!1,this._globalState={},this._serializedLayers={},this.stylesheet=null,this.light=null,this.sky=null,this.projection&&(this.projection.destroy(),delete this.projection),this._loaded=!1,this._changed=!1,this._updatedLayers={},this._updatedSources={},this._changedImages={},this._glyphsDidChange=!1,this._updatedPaintProps={},this._layerOrderChanged=!1,this._symbolPlacementTriggered=!1,this._placedProjectionTransition=void 0,this.crossTileSymbolIndex=new((this.crossTileSymbolIndex?.constructor)||Object),this.pauseablePlacement=void 0,this.placement=void 0,this.z=0}setGlobalStateProperty(e,t){this._checkLoaded();let n=t===null?this.stylesheet.state?.[e]?.default??null:t;if(Ve(n,this._globalState[e]))return this;this._globalState[e]=n,this._applyGlobalStateChanges([e])}getGlobalState(){return this._globalState}setGlobalState(e){this._checkLoaded();let t=[];for(let n in e)Ve(this._globalState[n],e[n].default)||(t.push(n),this._globalState[n]=e[n].default);this._applyGlobalStateChanges(t)}_applyGlobalStateChanges(e){if(e.length===0)return;let t=new Set,n={};for(let r of e){n[r]=this._globalState[r];for(let e in this._layers){let n=this._layers[e],i=n.getLayoutAffectingGlobalStateRefs(),a=n.getPaintAffectingGlobalStateRefs(),o=n.getVisibilityAffectingGlobalStateRefs();if(i.has(r)&&t.add(n.source),a.has(r))for(let{name:e,value:t}of a.get(r))this._updatePaintProperty(n,e,t);o?.has(r)&&(n.recalculateVisibility(),this._updateLayer(n))}}this.dispatcher.broadcast(`UGS`,n);for(let e in this.tileManagers)t.has(e)&&(this._reloadSource(e),this._changed=!0)}async loadURL(e,t={},n){this.fire(new qr(`dataloading`)),t.validate=typeof t.validate!=`boolean`||t.validate,this._loadStyleRequest=new AbortController;let r=this._loadStyleRequest;try{let i=await this.map._requestManager.transformRequest(e,`Style`);Ke(r.signal);let a=await b(i,r);this._loadStyleRequest===r&&(this._loadStyleRequest=null),this._load(a.data,t,n)}catch(e){this._loadStyleRequest===r&&(this._loadStyleRequest=null),e&&!r.signal.aborted&&this.fire(new H(qn(e)))}}loadJSON(e,t={},n){this.fire(new qr(`dataloading`)),this._frameRequest=new AbortController,Rr.frameAsync(this._frameRequest,this.map._ownerWindow).then(()=>{this._frameRequest=null,t.validate=t.validate!==!1,this._load(e,t,n)}).catch(()=>{})}loadEmpty(){this.fire(new qr(`dataloading`)),this._load(pl,{validate:!1})}_load(e,t,n){let r=t.transformStyle?t.transformStyle(n,e):e;if(!(t.validate&&Zt(this,r))){r={...r},this._loaded=!0,this.stylesheet=r;for(let e in r.sources)this.addSource(e,r.sources[e],{validate:!1});r.sprite?this._loadSprite(r.sprite):this.imageManager.setLoaded(!0),this.glyphManager.setURL(r.glyphs),this.glyphManager.setFontFaces(r[`font-faces`]),this._createLayers(),this.light=new zi(this.stylesheet.light??{},this._globalState),this._setProjectionInternal(this.stylesheet.projection?.type||`mercator`),this.sky=new Hi(this.stylesheet.sky,this._globalState),this.map.setTerrain(this.stylesheet.terrain??null,{validate:!1}),this.fire(new qr(`data`)),this.fire(new Kr)}}_createLayers(){let e=ri(this.stylesheet.layers);this.setGlobalState(this.stylesheet.state??null),this.dispatcher.broadcast(`SL`,e),this._order=e.map(e=>e.id),this._layers={},this._serializedLayers=null;for(let t of e){let e=Je(t,this._globalState);if(e.setEventedParent(this,{layer:{id:t.id}}),this._layers[t.id]=e,Ue(e)&&this.tileManagers[e.source]){let n=t.paint?.[`raster-fade-duration`]??e.paint.get(`raster-fade-duration`);this.tileManagers[e.source].setRasterFadeDuration(n)}}}async _loadSprite(e,t=!1,n=void 0){this.imageManager.setLoaded(!1);let r=new AbortController;this._spriteRequest=r;let i;try{let n=await vi(e,this.map._requestManager,this.map.getPixelRatio(),r);if(!n)return;for(let e in n){let{loaded:r,removed:i}=this.imageManager.setSpriteImages(e,n[e]);this._markImagesChanged(i),t&&this._markImagesChanged(r)}}catch(e){i=e,r.signal.aborted||this.fire(new H(i))}finally{this._spriteRequest=null,this.imageManager.setLoaded(!0),t&&(this._changed=!0),this.dispatcher.broadcast(`SI`,this.imageManager.listImages()),this.fire(new qr(`data`)),n?.(i)}}_unloadSprite(){this._markImagesChanged(this.imageManager.removeAllSpriteImages()),this._imagesListDirty=!0,this._changed=!0,this.fire(new qr(`data`))}_validateLayer(e){let t=this.tileManagers[e.source];if(!t)return;let n=e.sourceLayer;if(!n)return;let r=t.getSource();(r.type===`geojson`||r.vectorLayerIds&&!r.vectorLayerIds.includes(n))&&this.fire(new H(Error(`Source layer "${n}" does not exist on source "${r.id}" as specified by style layer "${e.id}".`)))}loaded(){if(!this._loaded||Object.keys(this._updatedSources).length)return!1;for(let e in this.tileManagers)if(!this.tileManagers[e].loaded())return!1;return this.imageManager.isLoaded()}_serializeByIds(e,t=!1){let n=this._serializedAllLayers();if(!e||e.length===0)return Object.values(t?ge(n):n);let r=[];for(let i of e)if(n[i]){let e=t?ge(n[i]):n[i];r.push(e)}return r}_serializedAllLayers(){let e=this._serializedLayers;if(e)return e;e=this._serializedLayers={};let t=Object.keys(this._layers);for(let n of t){let t=this._layers[n];t.type!==`custom`&&(e[n]=t.serialize())}return e}hasTransitions(){if(this.light?.hasTransition()||this.sky?.hasTransition()||this.projection?.hasTransition())return!0;for(let e in this.tileManagers)if(this.tileManagers[e].hasTransition())return!0;for(let e in this._layers)if(this._layers[e].hasTransition())return!0;return!1}_checkLoaded(){if(!this._loaded)throw Error(`Style is not done loading.`)}update(e){if(!this._loaded)return;let t=this._changed;if(t){this._imagesListDirty&&=(this.dispatcher.broadcast(`SI`,this.imageManager.listImages()),!1);let t=Object.keys(this._updatedLayers),n=Object.keys(this._removedLayers);(t.length||n.length)&&this._updateWorkerLayers(t,n);for(let e in this._updatedSources){let t=this._updatedSources[e];if(t===`reload`)this._reloadSource(e);else if(t===`clear`)this._clearSource(e);else throw Error(`Invalid action ${t}`)}this._updateTilesForChangedImages(),this._updateTilesForChangedGlyphs();for(let t in this._updatedPaintProps)this._layers[t].updateTransitions(e);this.light.updateTransitions(e),this.sky.updateTransitions(e),this._resetUpdates()}let n={};for(let e in this.tileManagers){let t=this.tileManagers[e];n[e]=t.used,t.used=!1}let r=this.imageManager.listImages();for(let t of this._order){let n=this._layers[t];n.recalculate(e,r),!n.isHidden(e.zoom)&&n.source&&(this.tileManagers[n.source].used=!0)}for(let e in n){let t=this.tileManagers[e];!!n[e]!=!!t.used&&t.fire(new K(`data`,{sourceDataType:`visibility`,sourceId:e}))}this.light.recalculate(e),this.sky.recalculate(e),this.projection.recalculate(e),this.z=e.zoom,t&&this.fire(new qr(`data`))}_updateTilesForChangedImages(){let e=Object.keys(this._changedImages);if(e.length){for(let t in this.tileManagers)this.tileManagers[t].reloadTilesForDependencies([`icons`,`patterns`],e);this._changedImages={}}}_updateTilesForChangedGlyphs(){if(this._glyphsDidChange){for(let e in this.tileManagers)this.tileManagers[e].reloadTilesForDependencies([`glyphs`],[``]);this._glyphsDidChange=!1}}_updateWorkerLayers(e,t){this.dispatcher.broadcast(`UL`,{layers:this._serializeByIds(e,!1),removedIds:t})}_resetUpdates(){this._changed=!1,this._updatedLayers={},this._removedLayers={},this._updatedSources={},this._updatedPaintProps={},this._changedImages={},this._glyphsDidChange=!1}setState(e,t={}){this._checkLoaded();let n=this.serialize();if(e=t.transformStyle?t.transformStyle(n,e):e,(t.validate??!0)&&Zt(this,e))return!1;e=ge(e),e.layers=ri(e.layers);let r=mi(n,e),i=this._getOperationsToPerform(r);if(i.unimplemented.length>0)throw Error(`Unimplemented: ${i.unimplemented.join(`, `)}.`);if(i.operations.length===0)return!1;for(let e of i.operations)e();return this.stylesheet=e,this._serializedLayers=null,this.fire(new Kr({style:this})),!0}_getOperationsToPerform(e){let t=[],n=[];for(let r of e)switch(r.command){case`setCenter`:case`setZoom`:case`setBearing`:case`setPitch`:case`setRoll`:continue;case`addLayer`:t.push(()=>this.addLayer.apply(this,r.args));break;case`removeLayer`:t.push(()=>this.removeLayer.apply(this,r.args));break;case`setPaintProperty`:t.push(()=>this.setPaintProperty.apply(this,r.args));break;case`setLayoutProperty`:t.push(()=>this.setLayoutProperty.apply(this,r.args));break;case`setFilter`:t.push(()=>this.setFilter.apply(this,r.args));break;case`addSource`:t.push(()=>this.addSource.apply(this,r.args));break;case`removeSource`:t.push(()=>this.removeSource.apply(this,r.args));break;case`setLayerZoomRange`:t.push(()=>this.setLayerZoomRange.apply(this,r.args));break;case`setLight`:t.push(()=>this.setLight.apply(this,r.args));break;case`setGeoJSONSourceData`:t.push(()=>this.setGeoJSONSourceData.apply(this,r.args));break;case`setGlyphs`:t.push(()=>this.setGlyphs.apply(this,r.args));break;case`setFontFaces`:t.push(()=>this.setFontFaces.apply(this,r.args));break;case`setSprite`:t.push(()=>this.setSprite.apply(this,r.args));break;case`setTerrain`:t.push(()=>this.map.setTerrain.apply(this,r.args));break;case`setSky`:t.push(()=>this.setSky.apply(this,r.args));break;case`setProjection`:this.setProjection.apply(this,r.args);break;case`setGlobalState`:t.push(()=>this.setGlobalState.apply(this,r.args));break;case`setTransition`:t.push(()=>{});break;default:n.push(r.command)}return{operations:t,unimplemented:n}}addImage(e,t){if(this.getImage(e)){this.fire(new H(Error(`An image named "${e}" already exists.`)));return}this.imageManager.addImage(e,t),this._afterImageUpdated(e)}updateImage(e,t){this.imageManager.updateImage(e,t)}getImage(e){return this.imageManager.getImage(e)}setMissingImageResolver(e){this.imageManager.setMissingImageResolver(e)}removeImage(e){if(!this.getImage(e)){this.fire(new H(Error(`An image named "${e}" does not exist.`)));return}this.imageManager.removeImage(e),this._afterImageUpdated(e)}_markImagesChanged(e){for(let t of e)this._changedImages[t]=!0}_afterImageUpdated(e){this._changedImages[e]=!0,this._imagesListDirty=!0,this._changed=!0,this.fire(new qr(`data`))}listImages(){return this._checkLoaded(),this.imageManager.listImages()}addSource(e,t,n={}){if(this._checkLoaded(),this.tileManagers[e]!==void 0)throw Error(`Source "${e}" already exists.`);if(!t.type)throw Error(`The type property must be defined, but only the following properties were given: ${Object.keys(t).join(`, `)}.`);if(zt.has(t.type)&&this._validate(Ut.source,`sources.${e}`,t,null,n))return;this.map?._collectResourceTiming&&(t.collectResourceTiming=!0);let r=this.tileManagers[e]=new No(e,t,this.dispatcher);r.style=this,r.setEventedParent(this,()=>({isSourceLoaded:r.loaded(),source:r.serialize(),sourceId:e})),r.onAdd(this.map),this._changed=!0}removeSource(e){if(this._checkLoaded(),this.tileManagers[e]===void 0)throw Error(`There is no source with this ID=${e}`);for(let t in this._layers)if(this._layers[t].source===e)return this.fire(new H(Error(`Source "${e}" cannot be removed while layer "${t}" is using it.`)));let t=this.tileManagers[e];delete this.tileManagers[e],delete this._updatedSources[e],t.fire(new K(`data`,{sourceDataType:`metadata`,sourceId:e})),t.setEventedParent(null),t.onRemove(this.map),this._changed=!0}setGeoJSONSourceData(e,t){if(this._checkLoaded(),this.tileManagers[e]===void 0)throw Error(`There is no source with this ID=${e}`);let n=this.tileManagers[e].getSource();if(n.type!==`geojson`)throw Error(`geojsonSource.type is ${n.type}, which is !== 'geojson`);n.setData(t),this._changed=!0}getSource(e){return this.tileManagers[e]?.getSource()}addLayer(e,t,n={}){this._checkLoaded();let r=e.id;if(this.getLayer(r)){this.fire(new H(Error(`Layer "${r}" already exists on this map.`)));return}let i;if(e.type===`custom`){if(Cn(this,fr(e)))return;i=Je(e,this._globalState)}else{if(`source`in e&&typeof e.source==`object`&&(this.addSource(r,e.source),e=ge(e),e=z(e,{source:r})),this._validate(Ut.layer,`layers.${r}`,e,{arrayIndex:-1},n))return;i=Je(e,this._globalState),this._validateLayer(i),i.setEventedParent(this,{layer:{id:r}})}let a=t?this._order.indexOf(t):this._order.length;if(t&&a===-1){this.fire(new H(Error(`Cannot add layer "${r}" before non-existing layer "${t}".`)));return}if(this._order.splice(a,0,r),this._layerOrderChanged=!0,this._layers[r]=i,this._removedLayers[r]&&i.source&&i.type!==`custom`){let e=this._removedLayers[r];delete this._removedLayers[r],e.type===i.type?(this._updatedSources[i.source]=`reload`,this.tileManagers[i.source].pause()):this._updatedSources[i.source]=`clear`}this._updateLayer(i),i.onAdd&&i.onAdd(this.map)}moveLayer(e,t){if(this._checkLoaded(),this._changed=!0,!this._layers[e]){this.fire(new H(Error(`The layer '${e}' does not exist in the map's style and cannot be moved.`)));return}if(e===t)return;let n=this._order.indexOf(e);this._order.splice(n,1);let r=t?this._order.indexOf(t):this._order.length;if(t&&r===-1){this.fire(new H(Error(`Cannot move layer "${e}" before non-existing layer "${t}".`)));return}this._order.splice(r,0,e),this._layerOrderChanged=!0}removeLayer(e){this._checkLoaded();let t=this._layers[e];if(!t){this.fire(new H(Error(`Cannot remove non-existing layer "${e}".`)));return}t.setEventedParent(null);let n=this._order.indexOf(e);this._order.splice(n,1),this._layerOrderChanged=!0,this._changed=!0,this._removedLayers[e]=t,delete this._layers[e],this._serializedLayers&&delete this._serializedLayers[e],delete this._updatedLayers[e],delete this._updatedPaintProps[e],t.onRemove&&t.onRemove(this.map)}getLayer(e){return this._layers[e]}getLayersOrder(){return[...this._order]}hasLayer(e){return e in this._layers}setLayerZoomRange(e,t,n){this._checkLoaded();let r=this.getLayer(e);if(!r){this.fire(new H(Error(`Cannot set the zoom range of non-existing layer "${e}".`)));return}(r.minzoom!==t||r.maxzoom!==n)&&(t!=null&&(r.minzoom=t),n!=null&&(r.maxzoom=n),this._updateLayer(r))}setFilter(e,t,n={}){this._checkLoaded();let r=this.getLayer(e);if(!r){this.fire(new H(Error(`Cannot filter non-existing layer "${e}".`)));return}if(!Ve(r.filter,t)){if(t==null){r.setFilter(void 0),this._updateLayer(r);return}this._validate(Ut.filter,`layers.${r.id}.filter`,t,null,n)||(r.setFilter(ge(t)),this._updateLayer(r))}}getFilter(e){return ge(this.getLayer(e).filter)}setLayoutProperty(e,t,n,r={}){this._checkLoaded();let i=this.getLayer(e);if(!i){this.fire(new H(Error(`Cannot style non-existing layer "${e}".`)));return}Ve(i.getLayoutProperty(t),n)||(i.setLayoutProperty(t,n,r),this._updateLayer(i))}getLayoutProperty(e,t){let n=this.getLayer(e);if(!n){this.fire(new H(Error(`Cannot get style of non-existing layer "${e}".`)));return}return n.getLayoutProperty(t)}setPaintProperty(e,t,n,r={}){this._checkLoaded();let i=this.getLayer(e);if(!i){this.fire(new H(Error(`Cannot style non-existing layer "${e}".`)));return}Ve(i.getPaintProperty(t),n)||this._updatePaintProperty(i,t,n,r)}_updatePaintProperty(e,t,n,r={}){e.setPaintProperty(t,n,r)&&this._updateLayer(e),Ue(e)&&t===`raster-fade-duration`&&this.tileManagers[e.source].setRasterFadeDuration(n),this._changed=!0,this._updatedPaintProps[e.id]=!0,e.type===`symbol`&&this.triggerSymbolPlacement(),this._serializedLayers=null}getPaintProperty(e,t){return this.getLayer(e).getPaintProperty(t)}setFeatureState(e,t){this._checkLoaded();let n=e.source,r=e.sourceLayer,i=this.tileManagers[n];if(i===void 0){this.fire(new H(Error(`The source '${n}' does not exist in the map's style.`)));return}let a=i.getSource().type;if(a===`geojson`&&r){this.fire(new H(Error(`GeoJSON sources cannot have a sourceLayer parameter.`)));return}if(a===`vector`&&!r){this.fire(new H(Error(`The sourceLayer parameter must be provided for vector source types.`)));return}if(e.id===void 0){this.fire(new H(Error(`The feature id parameter must be provided.`)));return}let o=[`__proto__`,`constructor`,`prototype`];if(t&&Object.keys(t).some(e=>o.includes(e))){this.fire(new H(Error(`The feature state should not include one of the following keys: ${o}`)));return}i.setFeatureState(r,e.id,t)}removeFeatureState(e,t){this._checkLoaded();let n=e.source,r=this.tileManagers[n];if(r===void 0){this.fire(new H(Error(`The source '${n}' does not exist in the map's style.`)));return}let i=r.getSource().type,a=i===`vector`?e.sourceLayer:void 0;if(i===`vector`&&!a){this.fire(new H(Error(`The sourceLayer parameter must be provided for vector source types.`)));return}if(t&&typeof e.id!=`string`&&typeof e.id!=`number`){this.fire(new H(Error(`A feature id is required to remove its specific state property.`)));return}r.removeFeatureState(a,e.id,t)}getFeatureState(e){this._checkLoaded();let t=e.source,n=e.sourceLayer,r=this.tileManagers[t];if(r===void 0){this.fire(new H(Error(`The source '${t}' does not exist in the map's style.`)));return}if(r.getSource().type===`vector`&&!n){this.fire(new H(Error(`The sourceLayer parameter must be provided for vector source types.`)));return}return e.id===void 0&&this.fire(new H(Error(`The feature id parameter must be provided.`))),r.getFeatureState(n,e.id)}getTransition(){return z({duration:300,delay:0},this.stylesheet?.transition)}serialize(){if(!this._loaded)return;let e=It(this.tileManagers,e=>e.serialize()),t=this._serializeByIds(this._order,!0),n=this.map.getTerrain()||void 0,r=this.stylesheet;return Fn({version:r.version,name:r.name,metadata:r.metadata,light:r.light,sky:r.sky,center:r.center,zoom:r.zoom,bearing:r.bearing,pitch:r.pitch,sprite:r.sprite,glyphs:r.glyphs,"font-faces":r[`font-faces`],transition:r.transition,projection:r.projection,state:r.state,sources:e,layers:t,terrain:n},e=>e!==void 0)}_updateLayer(e){this._updatedLayers[e.id]=!0,e.source&&!this._updatedSources[e.source]&&this.tileManagers[e.source].getSource().type!==`raster`&&(this._updatedSources[e.source]=`reload`,this.tileManagers[e.source].pause()),this._serializedLayers=null,this._changed=!0}_flattenAndSortRenderedFeatures(e){let t=e=>this._layers[e].type===`fill-extrusion`,n={},r=[];for(let i=this._order.length-1;i>=0;i--){let a=this._order[i];if(t(a)){n[a]=i;for(let t of e){let e=t[a];if(e)for(let t of e)r.push(t)}}}r.sort((e,t)=>t.intersectionZ-e.intersectionZ);let i=[];for(let a=this._order.length-1;a>=0;a--){let o=this._order[a];if(t(o))for(let e=r.length-1;e>=0;e--){let t=r[e].feature;if(n[t.layer.id]this.map.terrain.getElevation(e,t,n):void 0));return this.placement&&i.push(la(this._layers,a,this.tileManagers,e,s,this.placement.collisionIndex,this.placement.retainedQueryData)),this._flattenAndSortRenderedFeatures(i)}querySourceFeatures(e,t){t?.filter&&this._validate(Ut.filter,`querySourceFeatures.filter`,t.filter,null,t);let n=this.tileManagers[e];return n?ua(n,t?{...t,globalState:this._globalState}:{globalState:this._globalState}):[]}getLight(){return this.light.getLight()}setLight(e,t={}){this._checkLoaded();let n=this.light.getLight(),r=!1;for(let t in e)if(!Ve(e[t],n[t])){r=!0;break}if(!r)return;let i={now:U(),transition:z({duration:300,delay:0},this.stylesheet.transition)};this.light.setLight(e,t),this.light.updateTransitions(i)}getProjection(){return this.stylesheet?.projection}setProjection(e){this._checkLoaded();let t=e??{type:`mercator`};if(this.stylesheet.projection=e,this.projection){if(this.projection.name===t.type)return;this.projection.destroy(),delete this.projection}this._setProjectionInternal(t.type)}getSky(){return this.stylesheet?.sky}setSky(e,t={}){this._checkLoaded();let n=this.getSky(),r=!1;if(!e&&!n)return;if(e&&!n)r=!0;else if(!e&&n)r=!0;else for(let t in e)if(!Ve(e[t],n[t])){r=!0;break}if(!r)return;let i={now:U(),transition:z({duration:300,delay:0},this.stylesheet.transition)};this.stylesheet.sky=e,this.sky.setSky(e,t),this.sky.updateTransitions(i)}_setProjectionInternal(e){let t=fl(e,this.map._camera?.transform.constrainOverride,this._globalState);this.projection=t.projection,this.map.migrateProjection(t.transform,t.cameraHelper);for(let e in this.tileManagers)this.tileManagers[e].reload()}_validate(e,t,n,r,i={}){return i.validate!==!1&&ar(this,e,{key:t,style:this.serialize(),value:n,...r},i)}_remove(e=!0){this._frameRequest&&=(this._frameRequest.abort(),null),this._loadStyleRequest&&=(this._loadStyleRequest.abort(),null),this._spriteRequest&&=(this._spriteRequest.abort(),null),fo().off(co,this._rtlPluginLoaded);for(let e in this._layers)this._layers[e].setEventedParent(null);for(let e in this.tileManagers){let t=this.tileManagers[e];t.setEventedParent(null),t.onRemove(this.map)}this.imageManager.setEventedParent(null),this.setEventedParent(null),e&&this.dispatcher.broadcast(`RM`,void 0),this.dispatcher.remove(e)}_clearSource(e){this.tileManagers[e].clearTiles()}_reloadSource(e){this.tileManagers[e].resume(),this.tileManagers[e].reload()}_updateSources(e){for(let t in this.tileManagers)this.tileManagers[t].update(e,this.map.terrain)}_generateCollisionBoxes(){for(let e in this.tileManagers)this._reloadSource(e)}triggerSymbolPlacement(){this._symbolPlacementTriggered=!0}_placementInputsChanged(e,t,n){let r=this.pauseablePlacement;return!r||this._symbolPlacementTriggered||this._placedProjectionTransition!==this.projection?.transitionState||r._showCollisionBoxes!==t||r.placement.collisionGroups.crossSourceCollisions!==n||r.placement.transform.renderWorldCopies!==e.renderWorldCopies||!m(r.placement.transform.modelViewProjectionMatrix,e.modelViewProjectionMatrix)}_updatePlacement(e,t,n,r,i=!1){let a=!1,o=!1,s={};for(let t of this._order){let n=this._layers[t];if(n.type!==`symbol`)continue;if(!s[n.source]){let e=this.tileManagers[n.source];s[n.source]=e.getRenderableIds(!0).map(t=>e.getTileByID(t)).sort((e,t)=>t.tileID.overscaledZ-e.tileID.overscaledZ||(e.tileID.isLessThan(t.tileID)?-1:1))}let r=this.crossTileSymbolIndex.addLayer(n,s[n.source],e.center.lng);a||=r}this.crossTileSymbolIndex.pruneUnusedLayers(this._order),i||=this._layerOrderChanged||n===0;let c=a||this._placementInputsChanged(e,t,r),l=this.pauseablePlacement?.isDone()&&!this.placement.stillRecent(U(),e.zoom);if((i||!this.pauseablePlacement||l&&(c||this.placement.stale))&&(this._symbolPlacementTriggered=!1,this._placedProjectionTransition=this.projection?.transitionState,this.pauseablePlacement=new Os(e,this.map.terrain,this._order,i,t,n,r,this.placement),this._layerOrderChanged=!1),this.pauseablePlacement.isDone()?c&&this.placement.setStale():(this.pauseablePlacement.continuePlacement(this._order,this._layers,s),this.pauseablePlacement.isDone()&&(this.placement=this.pauseablePlacement.commit(U()),o=!0),a&&this.pauseablePlacement.placement.setStale()),o||a)for(let e of this._order){let t=this._layers[e];t.type===`symbol`&&this.placement.updateLayerOpacities(t,s[t.source])}return!this.pauseablePlacement.isDone()||this.placement.hasTransitions(U())}_releaseSymbolFadeTiles(){for(let e in this.tileManagers)this.tileManagers[e].releaseSymbolFadeTiles()}async getImages(e,t){let n=await this.imageManager.getImages(t.icons);this._updateTilesForChangedImages();let r=this.tileManagers[t.source];return r&&r.setDependencies(t.tileID.key,t.type,t.icons),n}async getGlyphs(e,t){let n=await this.glyphManager.getGlyphs(t.stacks),r=this.tileManagers[t.source];return r&&r.setDependencies(t.tileID.key,t.type,[``]),n}getGlyphsUrl(){return this.stylesheet.glyphs||null}setGlyphs(e,t={}){this._checkLoaded(),!(e&&this._validate(Ut.glyphs,`glyphs`,e,null,t))&&(this._changed=!0,this._glyphsDidChange=!0,this.stylesheet.glyphs=e,this.glyphManager.entries={},this.glyphManager.setURL(e))}getFontFaces(){return this.stylesheet[`font-faces`]||null}setFontFaces(e){this._checkLoaded(),this._changed=!0,this._glyphsDidChange=!0,this.stylesheet[`font-faces`]=e,this.glyphManager.setFontFaces(e)}async getDashes(e,t){let n={};for(let[e,r]of Object.entries(t.dashes))n[e]=this.lineAtlas.getDash(r.dasharray,r.round);return n}addSprite(e,t,n={},r){this._checkLoaded();let i=[{id:e,url:t}],a=[...gi(this.stylesheet.sprite),...i];this._validate(Ut.sprite,`sprite`,a,null,n)||(this.stylesheet.sprite=a,this._loadSprite(i,!0,r))}removeSprite(e){this._checkLoaded();let t=gi(this.stylesheet.sprite);if(!t.find(t=>t.id===e)){this.fire(new H(Error(`Sprite "${e}" doesn't exists on this map.`)));return}let n=this.imageManager.removeSpriteImages(e);this._markImagesChanged(n),t.splice(t.findIndex(t=>t.id===e),1),this.stylesheet.sprite=t.length>0?t:void 0,this._imagesListDirty=!0,this._changed=!0,this.fire(new qr(`data`))}getSprite(){return gi(this.stylesheet.sprite)}setSprite(e,t={},n){this._checkLoaded(),!(e&&this._validate(Ut.sprite,`sprite`,e,null,t))&&(this.stylesheet.sprite=e,e?this._loadSprite(e,!0,n):(this._unloadSprite(),n&&n(null)))}destroy(){this._frameRequest&&=(this._frameRequest.abort(),null),this._loadStyleRequest&&=(this._loadStyleRequest.abort(),null),this._spriteRequest&&=(this._spriteRequest.abort(),null);for(let e in this.tileManagers){let t=this.tileManagers[e];t.setEventedParent(null),t.onRemove(this.map)}this.tileManagers={},this.imageManager&&(this.imageManager.setEventedParent(null),this.imageManager.destroy(),this.patternAtlas.destroy()),this.glyphManager&&this.glyphManager.destroy();for(let e in this._layers){let t=this._layers[e];t.setEventedParent(null),t.onRemove&&t.onRemove(this.map)}this._setInitialValues(),this.setEventedParent(null),this.dispatcher.unregisterMessageHandler(`GG`),this.dispatcher.unregisterMessageHandler(`GI`),this.dispatcher.unregisterMessageHandler(`GDA`),this.dispatcher.remove(!0),this._listeners={},this._oneTimeListeners={}}};const hl=wt([{name:`a_pos`,type:`Int16`,components:2},{name:`a_texture_pos`,type:`Int16`,components:2}]);var gl=class{constructor(){this.boundProgram=null,this.boundLayoutVertexBuffer=null,this.boundPaintVertexBuffers=[],this.boundIndexBuffer=null,this.boundVertexOffset=null,this.boundDynamicVertexBuffer=null,this.vao=null}bind(e,t,n,r,i,a,o,s,c){this.context=e;let l=this.boundPaintVertexBuffers.length!==r.length;for(let e=0;!l&&e({u_depth:new F(e,t.u_depth),u_terrain:new F(e,t.u_terrain),u_terrain_dim:new P(e,t.u_terrain_dim),u_terrain_matrix:new ut(e,t.u_terrain_matrix),u_terrain_unpack:new Ce(e,t.u_terrain_unpack),u_terrain_exaggeration:new P(e,t.u_terrain_exaggeration)}),vl=(e,t)=>({u_texture:new F(e,t.u_texture),u_ele_delta:new P(e,t.u_ele_delta),u_fog_matrix:new ut(e,t.u_fog_matrix),u_fog_color:new qe(e,t.u_fog_color),u_fog_ground_blend:new P(e,t.u_fog_ground_blend),u_fog_ground_blend_opacity:new P(e,t.u_fog_ground_blend_opacity),u_horizon_color:new qe(e,t.u_horizon_color),u_horizon_fog_blend:new P(e,t.u_horizon_fog_blend),u_is_globe_mode:new P(e,t.u_is_globe_mode)}),yl=(e,t)=>({u_ele_delta:new P(e,t.u_ele_delta)}),bl=(e,t,n,r,i)=>({u_texture:0,u_ele_delta:e,u_fog_matrix:t,u_fog_color:n?n.properties.get(`fog-color`):R.white,u_fog_ground_blend:n?n.properties.get(`fog-ground-blend`):1,u_fog_ground_blend_opacity:i?0:n?n.calculateFogBlendOpacity(r):0,u_horizon_color:n?n.properties.get(`horizon-color`):R.white,u_horizon_fog_blend:n?n.properties.get(`horizon-fog-blend`):1,u_is_globe_mode:+!!i}),xl=e=>({u_ele_delta:e}),Sl=(e,t)=>({u_projection_matrix:new ut(e,t.u_projection_matrix),u_projection_tile_mercator_coords:new Ce(e,t.u_projection_tile_mercator_coords),u_projection_clipping_plane:new Ce(e,t.u_projection_clipping_plane),u_projection_transition:new P(e,t.u_projection_transition),u_projection_fallback_matrix:new ut(e,t.u_projection_fallback_matrix),u_projection_clip_antimeridian:new F(e,t.u_projection_clip_antimeridian)}),Cl=e=>({u_projection_matrix:e.mainMatrix,u_projection_tile_mercator_coords:e.tileMercatorCoords,u_projection_clipping_plane:e.clippingPlane,u_projection_transition:e.projectionTransition,u_projection_fallback_matrix:e.fallbackMatrix,u_projection_clip_antimeridian:+!!e.clipAntimeridian});function wl(e){let t=[];for(let n of e){if(n===null)continue;let e=n.split(` `);t.push(e.pop())}return t}function Tl(e,t){let n=new Set([e.INT,e.INT_VEC2,e.INT_VEC3,e.INT_VEC4,e.UNSIGNED_INT,e.UNSIGNED_INT_VEC2,e.UNSIGNED_INT_VEC3,e.UNSIGNED_INT_VEC4]),r=new Set,i=e.getProgramParameter(t,e.ACTIVE_ATTRIBUTES);for(let a=0;a=0&&(this.attributes[e]={location:t,isInteger:T.has(e)})}l.deleteShader(C),l.deleteShader(S);for(let e of v)if(e&&!w[e]){let t=l.getUniformLocation(this.program,e);t&&(w[e]=t)}this.fixedUniforms=r(e,w),this.terrainUniforms=_l(e,w),this.projectionUniforms=Sl(e,w),this.binderUniforms=n?n.getUniforms(e,w):[]}draw(e,t,n,r,i,a,o,s,c,l,u,d,f,p,m,h,g,_,v){let y=e.gl;if(this.failedToCreate)return;if(e.program.set(this.program),e.setDepthMode(n),e.setStencilMode(r),e.setColorMode(i),e.setCullFace(a),s){e.activeTexture.set(y.TEXTURE2),y.bindTexture(y.TEXTURE_2D,s.depthTexture),e.activeTexture.set(y.TEXTURE3),y.bindTexture(y.TEXTURE_2D,s.texture);for(let e in this.terrainUniforms)this.terrainUniforms[e].set(s[e])}if(c){let e=Cl(c);for(let t in this.projectionUniforms)this.projectionUniforms[t].set(e[t])}if(o)for(let e in this.fixedUniforms)this.fixedUniforms[e].set(o[e]);h&&h.setUniforms(e,this.binderUniforms,p,{zoom:m});let b=0;switch(t){case y.LINES:b=2;break;case y.TRIANGLES:b=3;break;case y.LINE_STRIP:b=1}for(let n of f.get())n.vaos||={},n.vaos[l]||=new gl,n.vaos[l].bind(e,this,u,h?h.getPaintVertexBuffers():[],d,n.vertexOffset,g,_,v),y.drawElements(t,n.primitiveLength*b,y.UNSIGNED_SHORT,n.primitiveOffset*b*2)}};function Dl(e,t,n){let r=1/lt(n,1,t.transform.tileZoom),i=2**n.tileID.overscaledZ,a=n.tileSize*2**t.transform.tileZoom/i,o=a*(n.tileID.canonical.x+n.tileID.wrap*i),s=a*n.tileID.canonical.y;return{u_image:0,u_texsize:n.imageAtlasTexture.size,u_scale:[r,e.fromScale,e.toScale],u_fade:e.t,u_pixel_coord_upper:[o>>16,s>>16],u_pixel_coord_lower:[o&65535,s&65535]}}function Ol(e,t,n,r){let i=n.patternAtlas.getPattern(e.from.toString()),a=n.patternAtlas.getPattern(e.to.toString()),{width:o,height:s}=n.patternAtlas.getPixelSize(),c=2**r.tileID.overscaledZ,l=r.tileSize*2**n.transform.tileZoom/c,u=l*(r.tileID.canonical.x+r.tileID.wrap*c),d=l*r.tileID.canonical.y;return{u_image:0,u_pattern_tl_a:i.tl,u_pattern_br_a:i.br,u_pattern_tl_b:a.tl,u_pattern_br_b:a.br,u_texsize:[o,s],u_mix:t.t,u_pattern_size_a:i.displaySize,u_pattern_size_b:a.displaySize,u_scale_a:t.fromScale,u_scale_b:t.toScale,u_tile_units_to_pixels:1/lt(r,1,n.transform.tileZoom),u_pixel_coord_upper:[u>>16,d>>16],u_pixel_coord_lower:[u&65535,d&65535]}}const kl=(e,t)=>({u_lightpos:new ue(e,t.u_lightpos),u_lightpos_globe:new ue(e,t.u_lightpos_globe),u_lightintensity:new P(e,t.u_lightintensity),u_lightcolor:new ue(e,t.u_lightcolor),u_vertical_gradient:new P(e,t.u_vertical_gradient),u_opacity:new P(e,t.u_opacity),u_fill_translate:new j(e,t.u_fill_translate)}),Al=(e,t)=>({u_lightpos:new ue(e,t.u_lightpos),u_lightpos_globe:new ue(e,t.u_lightpos_globe),u_lightintensity:new P(e,t.u_lightintensity),u_lightcolor:new ue(e,t.u_lightcolor),u_vertical_gradient:new P(e,t.u_vertical_gradient),u_height_factor:new P(e,t.u_height_factor),u_opacity:new P(e,t.u_opacity),u_fill_translate:new j(e,t.u_fill_translate),u_image:new F(e,t.u_image),u_texsize:new j(e,t.u_texsize),u_pixel_coord_upper:new j(e,t.u_pixel_coord_upper),u_pixel_coord_lower:new j(e,t.u_pixel_coord_lower),u_scale:new ue(e,t.u_scale),u_fade:new P(e,t.u_fade)}),jl=(e,t,n,r)=>{let i=e.style.light,a=i.getCartesianPosition(),o=O();i.properties.get(`anchor`)===`viewport`&&se(o,e.transform.bearingInRadians),an(a,a,o);let s=e.transform.transformLightDirection(a),c=i.properties.get(`color`);return{u_lightpos:a,u_lightpos_globe:s,u_lightintensity:i.properties.get(`intensity`),u_lightcolor:[c.r,c.g,c.b],u_vertical_gradient:+t,u_opacity:n,u_fill_translate:r}},Ml=(e,t,n,r,i,a,o)=>z(jl(e,t,n,r),Dl(a,e,o),{u_height_factor:-(2**i.overscaledZ)/o.tileSize/8}),Nl=(e,t)=>({u_fill_translate:new j(e,t.u_fill_translate)}),Pl=(e,t)=>({u_image:new F(e,t.u_image),u_texsize:new j(e,t.u_texsize),u_pixel_coord_upper:new j(e,t.u_pixel_coord_upper),u_pixel_coord_lower:new j(e,t.u_pixel_coord_lower),u_scale:new ue(e,t.u_scale),u_fade:new P(e,t.u_fade),u_fill_translate:new j(e,t.u_fill_translate)}),Fl=(e,t)=>({u_world:new j(e,t.u_world),u_fill_translate:new j(e,t.u_fill_translate)}),Il=(e,t)=>({u_world:new j(e,t.u_world),u_image:new F(e,t.u_image),u_texsize:new j(e,t.u_texsize),u_pixel_coord_upper:new j(e,t.u_pixel_coord_upper),u_pixel_coord_lower:new j(e,t.u_pixel_coord_lower),u_scale:new ue(e,t.u_scale),u_fade:new P(e,t.u_fade),u_fill_translate:new j(e,t.u_fill_translate)}),Ll=(e,t,n,r)=>z(Dl(t,e,n),{u_fill_translate:r}),Rl=e=>({u_fill_translate:e}),zl=(e,t)=>({u_world:e,u_fill_translate:t}),Bl=(e,t,n,r,i)=>z(Ll(e,t,n,i),{u_world:r}),Vl=(e,t)=>({u_camera_to_center_distance:new P(e,t.u_camera_to_center_distance),u_scale_with_map:new F(e,t.u_scale_with_map),u_pitch_with_map:new F(e,t.u_pitch_with_map),u_extrude_scale:new j(e,t.u_extrude_scale),u_device_pixel_ratio:new P(e,t.u_device_pixel_ratio),u_globe_extrude_scale:new P(e,t.u_globe_extrude_scale),u_translate:new j(e,t.u_translate)}),Hl=(e,t,n,r,i)=>{let a=e.transform,o,s,c=0;if(n.paint.get(`circle-pitch-alignment`)===`map`){let e=lt(t,1,a.zoom);o=!0,s=[e,e],c=e/(N*2**t.tileID.overscaledZ)*2*Math.PI*i}else o=!1,s=a.pixelsToGLUnits;return{u_camera_to_center_distance:a.cameraToCenterDistance,u_scale_with_map:+(n.paint.get(`circle-pitch-scale`)===`map`),u_pitch_with_map:+o,u_device_pixel_ratio:e.pixelRatio,u_extrude_scale:s,u_globe_extrude_scale:c,u_translate:r}},Ul=(e,t)=>({u_pixel_extrude_scale:new j(e,t.u_pixel_extrude_scale)}),Wl=(e,t)=>({u_viewport_size:new j(e,t.u_viewport_size)}),Gl=e=>({u_pixel_extrude_scale:[1/e.width,1/e.height]}),Kl=e=>({u_viewport_size:[e.width,e.height]}),ql=(e,t)=>({u_color:new qe(e,t.u_color),u_overlay:new F(e,t.u_overlay),u_overlay_scale:new P(e,t.u_overlay_scale)}),Jl=(e,t=1)=>({u_color:e,u_overlay:0,u_overlay_scale:t}),Yl=(e,t)=>({u_extrude_scale:new P(e,t.u_extrude_scale),u_intensity:new P(e,t.u_intensity),u_globe_extrude_scale:new P(e,t.u_globe_extrude_scale)}),Xl=(e,t)=>({u_matrix:new ut(e,t.u_matrix),u_world:new j(e,t.u_world),u_image:new F(e,t.u_image),u_color_ramp:new F(e,t.u_color_ramp),u_opacity:new P(e,t.u_opacity)}),Zl=(e,t,n,r)=>{let i=lt(e,1,t)/(N*2**e.tileID.overscaledZ)*2*Math.PI*r;return{u_extrude_scale:lt(e,1,t),u_intensity:n,u_globe_extrude_scale:i}},Ql=(e,t,n,r)=>{let i=vr();Ne(i,0,e.width,e.height,0,0,1);let a=e.context.gl;return{u_matrix:i,u_world:[a.drawingBufferWidth,a.drawingBufferHeight],u_image:n,u_color_ramp:r,u_opacity:t.paint.get(`heatmap-opacity`)}},$l=(e,t)=>({u_image:new F(e,t.u_image),u_latrange:new j(e,t.u_latrange),u_exaggeration:new P(e,t.u_exaggeration),u_altitudes:new f(e,t.u_altitudes),u_azimuths:new f(e,t.u_azimuths),u_accent:new qe(e,t.u_accent),u_method:new F(e,t.u_method),u_shadows:new kr(e,t.u_shadows),u_highlights:new kr(e,t.u_highlights)}),eu=(e,t)=>({u_matrix:new ut(e,t.u_matrix),u_image:new F(e,t.u_image),u_dimension:new j(e,t.u_dimension),u_zoom:new P(e,t.u_zoom),u_unpack:new Ce(e,t.u_unpack)}),tu=(e,t,n)=>{let r=n.paint.get(`hillshade-accent-color`),i;switch(n.paint.get(`hillshade-method`)){case`basic`:i=4;break;case`combined`:i=1;break;case`igor`:i=2;break;case`multidirectional`:i=3;break;default:i=0}let a=n.getIlluminationProperties();for(let t=0;t{let n=t.stride,r=vr();return Ne(r,0,N,-N,0,0,1),Le(r,r,[0,-N,0]),{u_matrix:r,u_image:1,u_dimension:[n,n],u_zoom:e.overscaledZ,u_unpack:t.getUnpackVector()}};function ru(e,t){let n=2**t.canonical.z,r=t.canonical.y;return[new B(0,r/n).toLngLat().lat,new B(0,(r+1)/n).toLngLat().lat]}const iu=(e,t)=>({u_image:new F(e,t.u_image),u_unpack:new Ce(e,t.u_unpack),u_dimension:new j(e,t.u_dimension),u_elevation_stops:new F(e,t.u_elevation_stops),u_color_stops:new F(e,t.u_color_stops),u_color_ramp_size:new F(e,t.u_color_ramp_size),u_opacity:new 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gd{setDirty(){this.dirty=!0}set(e){if(e===this.current&&!this.dirty)return;this.context.bindFramebuffer.set(this.parent);let t=this.gl;t.framebufferTexture2D(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_2D,e,0),this.current=e,this.dirty=!1}},vd=class extends gd{set(e){if(e===this.current&&!this.dirty)return;this.context.bindFramebuffer.set(this.parent);let t=this.gl;t.framebufferRenderbuffer(t.FRAMEBUFFER,t.DEPTH_ATTACHMENT,t.RENDERBUFFER,e),this.current=e,this.dirty=!1}},yd=class extends gd{set(e){if(e===this.current&&!this.dirty)return;this.context.bindFramebuffer.set(this.parent);let t=this.gl;t.framebufferRenderbuffer(t.FRAMEBUFFER,t.DEPTH_STENCIL_ATTACHMENT,t.RENDERBUFFER,e),this.current=e,this.dirty=!1}},bd=class{constructor(e,t,n,r,i){this.context=e,this.width=t,this.height=n;let a=e.gl,o=this.framebuffer=a.createFramebuffer();if(this.colorAttachment=new _d(e,o),r)this.depthAttachment=i?new yd(e,o):new vd(e,o);else if(i)throw Error(`Stencil cannot be set without 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ed(this),this.cullFace=new td(this),this.cullFaceSide=new nd(this),this.frontFace=new rd(this),this.program=new id(this),this.activeTexture=new ad(this),this.viewport=new od(this),this.bindFramebuffer=new sd(this),this.bindRenderbuffer=new cd(this),this.bindTexture=new ld(this),this.bindVertexBuffer=new ud(this),this.bindElementBuffer=new dd(this),this.bindVertexArray=new fd(this),this.pixelStoreUnpack=new pd(this),this.pixelStoreUnpackPremultiplyAlpha=new md(this),this.pixelStoreUnpackFlipY=new hd(this),this.extTextureFilterAnisotropic=e.getExtension(`EXT_texture_filter_anisotropic`),this.extTextureFilterAnisotropic&&(this.extTextureFilterAnisotropicMax=e.getParameter(this.extTextureFilterAnisotropic.MAX_TEXTURE_MAX_ANISOTROPY_EXT)),this.maxTextureSize=e.getParameter(e.MAX_TEXTURE_SIZE),e.getExtension(`EXT_color_buffer_half_float`),e.getExtension(`EXT_color_buffer_float`)}setDefault(){this.unbindVAO(),this.clearColor.setDefault(),this.clearDepth.setDefault(),this.clearStencil.setDefault(),this.colorMask.setDefault(),this.depthMask.setDefault(),this.stencilMask.setDefault(),this.stencilFunc.setDefault(),this.stencilOp.setDefault(),this.stencilTest.setDefault(),this.depthRange.setDefault(),this.depthTest.setDefault(),this.depthFunc.setDefault(),this.blend.setDefault(),this.blendFunc.setDefault(),this.blendColor.setDefault(),this.blendEquation.setDefault(),this.cullFace.setDefault(),this.cullFaceSide.setDefault(),this.frontFace.setDefault(),this.program.setDefault(),this.activeTexture.setDefault(),this.bindFramebuffer.setDefault(),this.pixelStoreUnpack.setDefault(),this.pixelStoreUnpackPremultiplyAlpha.setDefault(),this.pixelStoreUnpackFlipY.setDefault()}setDirty(){this.clearColor.dirty=!0,this.clearDepth.dirty=!0,this.clearStencil.dirty=!0,this.colorMask.dirty=!0,this.depthMask.dirty=!0,this.stencilMask.dirty=!0,this.stencilFunc.dirty=!0,this.stencilOp.dirty=!0,this.stencilTest.dirty=!0,this.depthRange.dirty=!0,this.depthTest.dirty=!0,this.depthFunc.dirty=!0,this.blend.dirty=!0,this.blendFunc.dirty=!0,this.blendColor.dirty=!0,this.blendEquation.dirty=!0,this.cullFace.dirty=!0,this.cullFaceSide.dirty=!0,this.frontFace.dirty=!0,this.program.dirty=!0,this.activeTexture.dirty=!0,this.viewport.dirty=!0,this.bindFramebuffer.dirty=!0,this.bindRenderbuffer.dirty=!0,this.bindTexture.dirty=!0,this.bindVertexBuffer.dirty=!0,this.bindElementBuffer.dirty=!0,this.bindVertexArray.dirty=!0,this.pixelStoreUnpack.dirty=!0,this.pixelStoreUnpackPremultiplyAlpha.dirty=!0,this.pixelStoreUnpackFlipY.dirty=!0}setCustomLayerDefaults(){this.unbindVAO(),this.cullFace.setDefault(),this.activeTexture.setDefault(),this.pixelStoreUnpack.setDefault(),this.pixelStoreUnpackPremultiplyAlpha.setDefault(),this.pixelStoreUnpackFlipY.setDefault()}createIndexBuffer(e,t){return new Iu(this,e,t)}createVertexBuffer(e,t,n){return new Ru(this,e,t,n)}createRenderbuffer(e,t,n){let r=this.gl,i=r.createRenderbuffer();return this.bindRenderbuffer.set(i),r.renderbufferStorage(r.RENDERBUFFER,e,t,n),this.bindRenderbuffer.set(null),i}createFramebuffer(e,t,n,r){return new bd(this,e,t,n,r)}clear({color:e,depth:t,stencil:n}){let r=this.gl,i=0;e&&(i|=r.COLOR_BUFFER_BIT,this.clearColor.set(e),this.colorMask.set([!0,!0,!0,!0])),t!==void 0&&(i|=r.DEPTH_BUFFER_BIT,this.depthRange.set([0,1]),this.clearDepth.set(t),this.depthMask.set(!0)),n!==void 0&&(i|=r.STENCIL_BUFFER_BIT,this.clearStencil.set(n),this.stencilMask.set(255)),r.clear(i)}setCullFace(e){e.enable===!1?this.cullFace.set(!1):(this.cullFace.set(!0),this.cullFaceSide.set(e.mode),this.frontFace.set(e.frontFace))}setDepthMode(e){e.func===this.gl.ALWAYS&&!e.mask?this.depthTest.set(!1):(this.depthTest.set(!0),this.depthFunc.set(e.func),this.depthMask.set(e.mask),this.depthRange.set(e.range))}setStencilMode(e){e.test.func===this.gl.ALWAYS&&!e.mask?this.stencilTest.set(!1):(this.stencilTest.set(!0),this.stencilMask.set(e.mask),this.stencilOp.set([e.fail,e.depthFail,e.pass]),this.stencilFunc.set({func:e.test.func,ref:e.ref,mask:e.test.mask}))}setColorMode(e){Ve(e.blendFunction,xd.Replace)?this.blend.set(!1):(this.blend.set(!0),this.blendFunc.set(e.blendFunction),this.blendColor.set(e.blendColor)),this.colorMask.set(e.mask)}createVertexArray(){return this.gl.createVertexArray()}deleteVertexArray(e){this.gl.deleteVertexArray(e)}unbindVAO(){this.bindVertexArray.set(null)}},Z=class{constructor(e,t,n){this.func=e,this.mask=t,this.range=n}};Z.ReadOnly=!1,Z.ReadWrite=!0,Z.disabled=new Z(519,Z.ReadOnly,[0,1]);const Cd=7680;var Q=class{constructor(e,t,n,r,i,a){this.test=e,this.ref=t,this.mask=n,this.fail=r,this.depthFail=i,this.pass=a}};Q.disabled=new Q({func:519,mask:0},0,0,Cd,Cd,Cd);const wd=1029,Td=2305;var $=class{constructor(e,t,n){this.enable=e,this.mode=t,this.frontFace=n}};$.disabled=new $(!1,wd,Td),$.backCCW=new $(!0,wd,Td),$.frontCCW=new $(!0,1028,Td);let Ed;function Dd(e,t,n,r,i){let a=e.context,o=e.transform,s=a.gl,c=e.useProgram(`collisionBox`),l=[],u=0,d=0;for(let f of r){let r=t.getTile(f).getBucket(n);if(!r)continue;let p=i?r.textCollisionBox:r.iconCollisionBox,m=r.collisionCircleArray;m.length>0&&(l.push({circleArray:m,circleOffset:d,coord:f}),u+=m.length/4,d=u),p&&c.draw(a,s.LINES,Z.disabled,Q.disabled,e.colorModeForRenderPass(),$.disabled,Gl(e.transform),e.style.map.terrain?.getTerrainData(f),o.getProjectionData({overscaledTileID:f,applyGlobeMatrix:!0,applyTerrainMatrix:!0}),n.id,p.layoutVertexBuffer,p.indexBuffer,p.segments,null,e.transform.zoom,null,null,p.collisionVertexBuffer)}if(!i||!l.length)return;let f=e.useProgram(`collisionCircle`),p=new pt;p.resize(u*4),p._trim();let m=0;for(let e of l)for(let t=0;tu.getElevation(i,e,t):void 0;Pd(a,d,f,c,l,g,t,m,_,le(l,e,o,s),i.toUnwrapped(),r,n.layout.get(`symbol-height-anchor`)===`ground`)}}}function Nd(e,t,n,r,i,a){let o=t.tileAnchorPoint.add(new l(t.translation[0],t.translation[1]));if(t.pitchWithMap){let e=r.mult(a);n||(e=e.rotate(-i));let s=o.add(e);return Ko(s.x,s.y,t.pitchedLabelPlaneMatrix,Go(t,s.x,s.y)).point}if(n){let n=ts(t.tileAnchorPoint.x+1,t.tileAnchorPoint.y,t).point.sub(e),i=Math.atan(n.y/n.x)+(n.x<0?Math.PI:0);return e.add(r.rotate(i))}return e.add(r)}function Pd(e,t,n,r,a,o,s,c,u,d,f,p,m){let h=e.text.placedSymbolArray,g=e.text.dynamicLayoutVertexArray,_=e.icon.dynamicLayoutVertexArray,v={};g.clear();for(let _=0;_=0&&(v[y.associatedIconIndex]={shiftedAnchor:k,angle:A})}}if(u){_.clear();let t=e.icon.placedSymbolArray;for(let e=0;ee.style.map.terrain.getElevation(s,t,n):void 0;Yo(c,e,i,ie,t,_,l,n.layout.get(`text-rotation-alignment`)===`map`,s.toUnwrapped(),h.width,h.height,oe,r)}let pe=i&&C||ue,me=_?ie:e.transform.clipSpaceToPixelsMatrix,he=v||pe?kd:me,ge=p&&n.paint.get(i?`text-halo-width`:`icon-halo-width`).constantOr(1)!==0,_e;_e=p?c.iconsInText?Tu(S.kind,ee,y,_,v,pe,e,he,N,oe,k,A,T,de,fe):wu(S.kind,ee,y,_,v,pe,e,he,N,oe,i,k,ge,T,de,fe):Cu(S.kind,ee,y,_,v,pe,e,he,N,oe,i,k,T,de,fe);let ve={program:D,buffers:u,uniformValues:_e,projectionData:se,atlasTexture:j,atlasTextureIcon:te,atlasInterpolation:M,atlasInterpolationIcon:ne,isSDF:p,hasHalo:ge};if(b&&c.canOverlap){x=!0;let e=u.segments.get();for(let t of e)w.push({segments:new ae([t]),sortKey:t.sortKey,state:ve,terrainData:O})}else w.push({segments:u.segments,sortKey:0,state:ve,terrainData:O})}x&&w.sort((e,t)=>e.sortKey-t.sortKey);let E=n.paint.get(i?`text-halo-width`:`icon-halo-width`).constantOr(null)??1/0,D=n.layout.get(`text-letter-spacing`).constantOr(0)*24<0||E>1;for(let t of w){let r=t.state;p.activeTexture.set(m.TEXTURE0),r.atlasTexture.bind(r.atlasInterpolation,m.CLAMP_TO_EDGE),r.atlasTextureIcon&&(p.activeTexture.set(m.TEXTURE1),r.atlasTextureIcon&&r.atlasTextureIcon.bind(r.atlasInterpolationIcon,m.CLAMP_TO_EDGE));let i=r.isSDF&&r.hasHalo;if(i){let i=r.uniformValues;i.u_is_halo=1,D&&(i.u_is_plain=0,Ld(r.buffers,t.segments,n,e,r.program,S,u,d,i,r.projectionData,t.terrainData),i.u_is_halo=0,i.u_is_plain=1)}Ld(r.buffers,t.segments,n,e,r.program,S,u,d,r.uniformValues,r.projectionData,t.terrainData),i&&!D&&(r.uniformValues.u_is_halo=0)}}function Ld(e,t,n,r,i,a,o,s,c,l,u){let d=r.context,f=d.gl;i.draw(d,f.TRIANGLES,a,o,s,$.backCCW,c,u,l,n.id,e.layoutVertexBuffer,e.indexBuffer,t,n.paint,r.transform.zoom,e.programConfigurations.get(n.id),e.dynamicLayoutVertexBuffer,e.opacityVertexBuffer)}function Rd(e,t,n,r,i){if(e.renderPass!==`translucent`)return;let{isRenderingToTexture:a}=i,o=n.paint.get(`circle-opacity`),s=n.paint.get(`circle-stroke-width`),c=n.paint.get(`circle-stroke-opacity`),l=!n.layout.get(`circle-sort-key`).isConstant();if(o.constantOr(1)===0&&(s.constantOr(1)===0||c.constantOr(1)===0))return;let u=e.context,d=u.gl,f=e.transform,p=e.getDepthModeForSublayer(0,Z.ReadOnly),m=Q.disabled,h=e.colorModeForRenderPass(),g=[],_=f.getCircleRadiusCorrection();for(let i of r){let r=t.getTile(i),o=r.getBucket(n);if(!o)continue;let s=n.paint.get(`circle-translate`),c=n.paint.get(`circle-translate-anchor`),u=le(f,r,s,c),d=o.programConfigurations.get(n.id),p=e.useProgram(`circle`,d),m=o.layoutVertexBuffer,h=o.indexBuffer,v=e.style.map.terrain?.getTerrainData(i),y={programConfiguration:d,program:p,layoutVertexBuffer:m,indexBuffer:h,uniformValues:Hl(e,r,n,u,_),terrainData:v,projectionData:f.getProjectionData({overscaledTileID:i,applyGlobeMatrix:!a,applyTerrainMatrix:!0})};if(l){let e=o.segments.get();for(let t of e)g.push({segments:new ae([t]),sortKey:t.sortKey,state:y})}else g.push({segments:o.segments,sortKey:0,state:y})}l&&g.sort((e,t)=>e.sortKey-t.sortKey);for(let t of g){let{programConfiguration:r,program:i,layoutVertexBuffer:a,indexBuffer:o,uniformValues:s,terrainData:c,projectionData:l}=t.state,f=t.segments;i.draw(u,d.TRIANGLES,p,m,h,$.backCCW,s,c,l,n.id,a,o,f,n.paint,e.transform.zoom,r)}}function zd(e,t,n,r,i){if(n.paint.get(`heatmap-opacity`)===0)return;let a=e.context,{isRenderingToTexture:o,isRenderingGlobe:s}=i;if(e.style.map.terrain){for(let i of r){let r=t.getTile(i);t.hasRenderableParent(i)||(e.renderPass===`offscreen`?Hd(e,r,n,i,s):e.renderPass===`translucent`&&Ud(e,n,i,o,s))}a.viewport.set([0,0,e.width,e.height])}else e.renderPass===`offscreen`?Bd(e,t,n,r):e.renderPass===`translucent`&&Vd(e,n)}function Bd(e,t,n,r){let i=e.context,a=i.gl,o=e.transform,s=Q.disabled,c=new xd([a.ONE,a.ONE],R.transparent,[!0,!0,!0,!0]);Wd(i,e,n),i.clear({color:R.transparent});for(let l of r){if(t.hasRenderableParent(l))continue;let r=t.getTile(l),u=r.getBucket(n);if(!u)continue;let d=u.programConfigurations.get(n.id),f=e.useProgram(`heatmap`,d),p=o.getProjectionData({overscaledTileID:l,applyGlobeMatrix:!0,applyTerrainMatrix:!1}),m=o.getCircleRadiusCorrection();f.draw(i,a.TRIANGLES,Z.disabled,s,c,$.backCCW,Zl(r,o.zoom,n.paint.get(`heatmap-intensity`),m),null,p,n.id,u.layoutVertexBuffer,u.indexBuffer,u.segments,n.paint,o.zoom,d)}i.viewport.set([0,0,e.width,e.height])}function Vd(e,t){let n=e.context,r=n.gl;n.setColorMode(e.colorModeForRenderPass());let i=t.heatmapFbos.get(nt);i&&(n.activeTexture.set(r.TEXTURE0),r.bindTexture(r.TEXTURE_2D,i.colorAttachment.get()),n.activeTexture.set(r.TEXTURE1),Kd(n,t).bind(r.LINEAR,r.CLAMP_TO_EDGE),e.useProgram(`heatmapTexture`).draw(n,r.TRIANGLES,Z.disabled,Q.disabled,e.colorModeForRenderPass(),$.disabled,Ql(e,t,0,1),null,null,t.id,e.viewportBuffer,e.quadTriangleIndexBuffer,e.viewportSegments,t.paint,e.transform.zoom))}function Hd(e,t,n,r,i){let a=e.context,o=a.gl,s=Q.disabled,c=new xd([o.ONE,o.ONE],R.transparent,[!0,!0,!0,!0]),l=t.getBucket(n);if(!l)return;let u=r.key,d=n.heatmapFbos.get(u);d||(d=Gd(a,t.tileSize,t.tileSize),n.heatmapFbos.set(u,d)),a.bindFramebuffer.set(d.framebuffer),a.viewport.set([0,0,t.tileSize,t.tileSize]),a.clear({color:R.transparent});let f=l.programConfigurations.get(n.id),p=e.useProgram(`heatmap`,f,!i),m=e.transform.getProjectionData({overscaledTileID:t.tileID,applyGlobeMatrix:!0,applyTerrainMatrix:!0}),h=e.style.map.terrain.getTerrainData(r);p.draw(a,o.TRIANGLES,Z.disabled,s,c,$.disabled,Zl(t,e.transform.zoom,n.paint.get(`heatmap-intensity`),1),h,m,n.id,l.layoutVertexBuffer,l.indexBuffer,l.segments,n.paint,e.transform.zoom,f)}function Ud(e,t,n,r,i){let a=e.context,o=a.gl,s=e.transform;a.setColorMode(e.colorModeForRenderPass());let c=Kd(a,t),l=n.key,u=t.heatmapFbos.get(l);if(!u)return;a.activeTexture.set(o.TEXTURE0),o.bindTexture(o.TEXTURE_2D,u.colorAttachment.get()),a.activeTexture.set(o.TEXTURE1),c.bind(o.LINEAR,o.CLAMP_TO_EDGE);let d=s.getProjectionData({overscaledTileID:n,applyTerrainMatrix:i,applyGlobeMatrix:!r});e.useProgram(`heatmapTexture`).draw(a,o.TRIANGLES,Z.disabled,Q.disabled,e.colorModeForRenderPass(),$.disabled,Ql(e,t,0,1),null,d,t.id,e.rasterBoundsBuffer,e.quadTriangleIndexBuffer,e.rasterBoundsSegments,t.paint,s.zoom),u.destroy(),t.heatmapFbos.delete(l)}function Wd(e,t,n){let r=e.gl;e.activeTexture.set(r.TEXTURE1),e.viewport.set([0,0,t.width/4,t.height/4]);let i=n.heatmapFbos.get(nt);i?(r.bindTexture(r.TEXTURE_2D,i.colorAttachment.get()),e.bindFramebuffer.set(i.framebuffer)):(i=Gd(e,t.width/4,t.height/4),n.heatmapFbos.set(nt,i))}function Gd(e,t,n){let r=e.gl,i=r.createTexture();r.bindTexture(r.TEXTURE_2D,i),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_WRAP_S,r.CLAMP_TO_EDGE),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_WRAP_T,r.CLAMP_TO_EDGE),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_MIN_FILTER,r.LINEAR),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_MAG_FILTER,r.LINEAR),r.texStorage2D(r.TEXTURE_2D,1,r.RGBA16F,t,n);let a=e.createFramebuffer(t,n,!1,!1);return a.colorAttachment.set(i),a}function Kd(e,t){return t.colorRampTexture||=new _(e,t.colorRamp,e.gl.RGBA),t.colorRampTexture}function qd(e,t,n,r){let i=e.context,a=i.bindFramebuffer.get(),o=i.viewport.get(),[,,s,c]=o;return Jd(e,s,c),i.viewport.set([0,0,s,c]),i.clear({color:R.transparent,depth:1,stencil:0}),e.currentStencilSource=void 0,e.renderTileClippingMasks(t,n,r),{compositeTarget:a,compositeViewport:o}}function Jd(e,t,n){let r=e.context.gl;if(!e.layerOpacityFbo){let i=e.context.createFramebuffer(t,n,!0,!0),a=r.createTexture();r.bindTexture(r.TEXTURE_2D,a),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_WRAP_S,r.CLAMP_TO_EDGE),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_WRAP_T,r.CLAMP_TO_EDGE),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_MIN_FILTER,r.LINEAR),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_MAG_FILTER,r.LINEAR),r.texImage2D(r.TEXTURE_2D,0,r.RGBA,t,n,0,r.RGBA,r.UNSIGNED_BYTE,null),i.colorAttachment.set(a),i.depthAttachment.set(e.context.createRenderbuffer(r.DEPTH_STENCIL,t,n)),e.layerOpacityFbo=i,e.context.bindFramebuffer.set(e.layerOpacityFbo.framebuffer);return}if(e.layerOpacityFbo.width===t&&e.layerOpacityFbo.height===n){e.context.bindFramebuffer.set(e.layerOpacityFbo.framebuffer);return}let i=e.layerOpacityFbo;r.bindTexture(r.TEXTURE_2D,i.colorAttachment.get()),r.texImage2D(r.TEXTURE_2D,0,r.RGBA,t,n,0,r.RGBA,r.UNSIGNED_BYTE,null),e.context.bindRenderbuffer.set(i.depthAttachment.get()),r.renderbufferStorage(r.RENDERBUFFER,r.DEPTH_STENCIL,t,n),e.context.bindRenderbuffer.set(null),i.width=t,i.height=n,e.context.bindFramebuffer.set(i.framebuffer)}function Yd(e,t,n,r){let i=e.context,a=i.gl;i.bindFramebuffer.set(n.compositeTarget),i.viewport.set(n.compositeViewport),i.activeTexture.set(a.TEXTURE0),a.bindTexture(a.TEXTURE_2D,e.layerOpacityFbo.colorAttachment.get()),e.useProgram(`layerOpacity`).draw(i,a.TRIANGLES,Z.disabled,Q.disabled,e.colorModeForRenderPass(),$.disabled,yu(t,0),null,null,r.id,e.viewportBuffer,e.quadTriangleIndexBuffer,e.viewportSegments,r.paint,e.transform.zoom),e.currentStencilSource=void 0}function Xd(e,t,n,r,i,a,o,s){let c=256;if(i.stepInterpolant){let r=t.getSource().maxzoom,i=o.canonical.z===r?Math.ceil(1<e.options.anisotropicFilterPitch&&m.texParameterf(m.TEXTURE_2D,p.extTextureFilterAnisotropic.TEXTURE_MAX_ANISOTROPY_EXT,p.extTextureFilterAnisotropicMax);let k=e.getTerrainDataForTile(w,u),A=g.getProjectionData({overscaledTileID:w,aligned:y,applyGlobeMatrix:!u,applyTerrainMatrix:!0}),j=za(ee,D,O.fadeMix,n,s,c),M=d??_.getMeshFromTileID(p,w.canonical,a,o,`raster`),te=i?i[w.overscaledZ]:Q.disabled;h.draw(p,m.TRIANGLES,r,te,v,l?$.frontCCW:$.backCCW,j,k,A,n.id,M.vertexBuffer,M.indexBuffer,M.segments)}}function bf(e,t,n,r){let i={parentTile:null,parentScaleBy:1,parentTopLeft:[0,0],fadeValues:{tileOpacity:1,parentTileOpacity:1,fadeMix:{opacity:1,mix:0}}};if(n===0||r)return i;if(e.fadingParentID){let r=t.getLoadedTile(e.fadingParentID);if(!r)return i;let a=2**(r.tileID.overscaledZ-e.tileID.overscaledZ);return{parentTile:r,parentScaleBy:a,parentTopLeft:[e.tileID.canonical.x*a%1,e.tileID.canonical.y*a%1],fadeValues:xf(e,r,n)}}return e.selfFading?{parentTile:null,parentScaleBy:1,parentTopLeft:[0,0],fadeValues:Sf(e,n)}:i}function xf(e,t,n){let r=U(),i=(r-e.timeAdded)/n,a=(r-t.timeAdded)/n,o=e.fadingDirection===1,s=M(i,0,1),c=M(1-a,0,1),l=o?s:c;return{tileOpacity:l,parentTileOpacity:o?c:s,fadeMix:{opacity:1,mix:1-l}}}function Sf(e,t){let n=(U()-e.timeAdded)/t,r=M(n,0,1);return{tileOpacity:r,fadeMix:{opacity:r,mix:0}}}function Cf(e,t,n,r,i){let a=n.paint.get(`background-color`),o=n.paint.get(`background-opacity`);if(o===0)return;let{isRenderingToTexture:s}=i,c=e.context,l=c.gl,u=e.style.projection,d=e.transform,f=d.tileSize,p=n.paint.get(`background-pattern`);if(e.isPatternMissing(p))return;let m=!p&&a.a===1&&o===1&&e.opaquePassEnabledForLayer()?`opaque`:`translucent`;if(e.renderPass!==m)return;let h=Q.disabled,g=e.getDepthModeForSublayer(0,m===`opaque`?Z.ReadWrite:Z.ReadOnly),_=e.colorModeForRenderPass(),v=e.useProgram(p?`backgroundPattern`:`background`),y=r||So(d,{tileSize:f,terrain:e.style.map.terrain});p&&(c.activeTexture.set(l.TEXTURE0),e.patternAtlas.bind(e.context));let b=n.getCrossfadeParameters();for(let t of y){let r=d.getProjectionData({overscaledTileID:t,applyGlobeMatrix:!s,applyTerrainMatrix:!0}),i=p?ku(o,e,p,{tileID:t,tileSize:f},b):Ou(o,a),m=e.getTerrainDataForTile(t,s),y=u.getMeshFromTileID(c,t.canonical,!1,!0,`raster`);v.draw(c,l.TRIANGLES,g,h,_,$.backCCW,i,m,r,n.id,y.vertexBuffer,y.indexBuffer,y.segments)}}const wf=new R(1,0,0,1),Tf=new R(0,1,0,1),Ef=new R(0,0,1,1),Df=new R(1,0,1,1),Of=new R(0,1,1,1);function kf(e){let t=e.transform.padding;jf(e,e.transform.height-(t.top||0),3,wf),jf(e,t.bottom||0,3,Tf),Mf(e,t.left||0,3,Ef),Mf(e,e.transform.width-(t.right||0),3,Df);let n=e.transform.centerPoint;Af(e,n.x,e.transform.height-n.y,Of)}function Af(e,t,n,r){Nf(e,t-1,n-10,2,20,r),Nf(e,t-10,n-1,20,2,r)}function jf(e,t,n,r){Nf(e,0,t+n/2,e.transform.width,n,r)}function Mf(e,t,n,r){Nf(e,t-n/2,0,n,e.transform.height,r)}function Nf(e,t,n,r,i,a){let o=e.context,s=o.gl;s.enable(s.SCISSOR_TEST),s.scissor(t*e.pixelRatio,n*e.pixelRatio,r*e.pixelRatio,i*e.pixelRatio),o.clear({color:a}),s.disable(s.SCISSOR_TEST)}function Pf(e,t,n){for(let r of n)Ff(e,t,r)}function Ff(e,t,n){let r=e.context,i=r.gl,a=e.useProgram(`debug`),o=Z.disabled,s=Q.disabled,c=e.colorModeForRenderPass(),l=`$debug`,u=e.style.map.terrain?.getTerrainData(n);r.activeTexture.set(i.TEXTURE0);let d=t.getTileByID(n.key).latestRawTileData?.byteLength||0,f=Math.floor(d/1024),p=t.getTile(n).tileSize,m=512/Math.min(p,512)*(n.overscaledZ/e.transform.zoom)*.5,h=n.canonical.toString();n.overscaledZ!==n.canonical.z&&(h+=` => ${n.overscaledZ}`),If(e,`${h} ${f}kB`);let g=e.transform.getProjectionData({overscaledTileID:n,applyGlobeMatrix:!0,applyTerrainMatrix:!0});a.draw(r,i.TRIANGLES,o,s,xd.alphaBlended,$.disabled,Jl(R.transparent,m),null,g,l,e.debugBuffer,e.quadTriangleIndexBuffer,e.debugSegments),a.draw(r,i.LINE_STRIP,o,s,c,$.disabled,Jl(R.red),u,g,l,e.debugBuffer,e.tileBorderIndexBuffer,e.debugSegments)}function If(e,t){e.initDebugOverlayCanvas();let n=e.debugOverlayCanvas,r=e.context.gl,i=e.debugOverlayCanvas.getContext(`2d`);i.clearRect(0,0,n.width,n.height),i.shadowColor=`white`,i.shadowBlur=2,i.lineWidth=1.5,i.strokeStyle=`white`,i.textBaseline=`top`,i.font=`bold 36px Open Sans, sans-serif`,i.fillText(t,5,5),i.strokeText(t,5,5),e.debugOverlayTexture.update(n),e.debugOverlayTexture.bind(r.LINEAR,r.CLAMP_TO_EDGE)}function Lf(e,t){let n=null,r=Object.values(e._layers).flatMap(n=>n.source&&!n.isHidden(t)?[e.tileManagers[n.source]]:[]),i=r.filter(e=>e.getSource().type===`vector`),a=r.filter(e=>e.getSource().type!==`vector`),o=e=>{(!n||n.getSource().maxzoomc.getProjectionData({overscaledTileID:new $t(e.tileID.canonical.z,e.tileID.wrap??0,e.tileID.canonical.z,e.tileID.canonical.x,e.tileID.canonical.y),aligned:e.aligned,applyGlobeMatrix:e.applyGlobeMatrix,applyTerrainMatrix:e.applyTerrainMatrix})},d=o.renderingMode?o.renderingMode:`2d`;if(e.renderPass===`offscreen`){let t=o.prerender;t&&(e.setCustomLayerDefaults(),a.setColorMode(e.colorModeForRenderPass()),t.call(o,a.gl,u),a.setDirty(),e.setBaseState())}else if(e.renderPass===`translucent`){e.setCustomLayerDefaults(),a.setColorMode(e.colorModeForRenderPass()),a.setStencilMode(Q.disabled);let t=d===`3d`?e.getDepthModeFor3D():e.getDepthModeForSublayer(0,Z.ReadOnly);a.setDepthMode(t),o.render(a.gl,u),a.setDirty(),e.setBaseState(),a.bindFramebuffer.set(null)}}function zf(e,t){let n=e.context,r=n.gl,i=e.transform,a=xd.unblended,o=new Z(r.LEQUAL,Z.ReadWrite,[0,1]),s=t.tileManager.getRenderableTiles(),c=e.useProgram(`terrainDepth`);n.bindFramebuffer.set(t.getFramebuffer().framebuffer),n.viewport.set([0,0,e.width/devicePixelRatio,e.height/devicePixelRatio]),n.clear({color:R.white,depth:1});for(let e of s){let s=t.getTerrainMesh(e.tileID),l=t.getTerrainData(e.tileID),u=i.getProjectionData({overscaledTileID:e.tileID,applyTerrainMatrix:!1,applyGlobeMatrix:!0}),d=xl(t.getSkirtLength(i.zoom));c.draw(n,r.TRIANGLES,o,Q.disabled,a,$.backCCW,d,l,u,`terrain`,s.vertexBuffer,s.indexBuffer,s.segments)}n.bindFramebuffer.set(null),n.viewport.set([0,0,e.width,e.height])}function Bf(e,t,n,r){let{isRenderingGlobe:i}=r,a=e.context,o=a.gl,s=e.transform,c=e.colorModeForRenderPass(),l=e.getDepthModeFor3D(),u=e.useProgram(`terrain`);a.bindFramebuffer.set(null),a.viewport.set([0,0,e.width,e.height]);for(let r of n){let n=t.getTerrainMesh(r.tileID),d=e.renderToTexture.getTexture(r),f=t.getTerrainData(r.tileID);a.activeTexture.set(o.TEXTURE0),o.bindTexture(o.TEXTURE_2D,d.texture);let p=t.getSkirtLength(s.zoom),m=s.calculateFogMatrix(r.tileID.toUnwrapped()),h=bl(p,m,e.style.sky,s.pitch,i),g=s.getProjectionData({overscaledTileID:r.tileID,applyTerrainMatrix:!1,applyGlobeMatrix:!0});u.draw(a,o.TRIANGLES,l,Q.disabled,c,$.backCCW,h,f,g,`terrain`,n.vertexBuffer,n.indexBuffer,n.segments)}}function Vf(e,t){if(!t.mesh){let n=new Un;n.emplaceBack(-1,-1),n.emplaceBack(1,-1),n.emplaceBack(1,1),n.emplaceBack(-1,1);let r=new gt;r.emplaceBack(0,1,2),r.emplaceBack(0,2,3),t.mesh=new Ua(e.createVertexBuffer(n,Wa.members),e.createIndexBuffer(r),ae.simpleSegment(0,0,n.length,r.length))}return t.mesh}function Hf(e,t){let n=e.context,r=n.gl,i=Nu(t,e.transform,e.pixelRatio),a=new Z(r.LEQUAL,Z.ReadWrite,[0,1]),o=Q.disabled,s=e.colorModeForRenderPass(),c=e.useProgram(`sky`),l=Vf(n,t);c.draw(n,r.TRIANGLES,a,o,s,$.disabled,i,null,void 0,`sky`,l.vertexBuffer,l.indexBuffer,l.segments)}function Uf(e,t){let n=e.getCartesianPosition();Yn(n,n);let r=$e(new Float64Array(16));return e.properties.get(`anchor`)===`map`&&(we(r,r,t.rollInRadians),a(r,r,-t.pitchInRadians),we(r,r,t.bearingInRadians),a(r,r,t.center.lat*Math.PI/180),pn(r,r,-t.center.lng*Math.PI/180)),en(n,n,r),n}function Wf(e,t,n){let r=e.context,i=r.gl,a=e.useProgram(`atmosphere`),o=new Z(i.LEQUAL,Z.ReadOnly,[0,1]),s=e.transform,c=Uf(n,e.transform),l=s.getProjectionData({overscaledTileID:null,applyGlobeMatrix:!0,applyTerrainMatrix:!0}),u=t.properties.get(`atmosphere-blend`)*l.projectionTransition;if(u===0)return;let d=Lc(s.worldSize,s.center.lat),f=s.inverseProjectionMatrix,p=new Float64Array(4);p[3]=1,Gt(p,p,s.modelViewProjectionMatrix),p[0]/=p[3],p[1]/=p[3],p[2]/=p[3],p[3]=1,Gt(p,p,f),p[0]/=p[3],p[1]/=p[3],p[2]/=p[3],p[3]=1;let m=[p[0],p[1],p[2]],h=ju(c,u,m,d,f),g=Vf(r,t);a.draw(r,i.TRIANGLES,o,Q.disabled,xd.alphaBlended,$.disabled,h,null,null,`atmosphere`,g.vertexBuffer,g.indexBuffer,g.segments)}const Gf={symbol:Ad,circle:Rd,heatmap:zd,line:tf,fill:af,fillExtrusion:lf,hillshade:df,colorRelief:mf,raster:vf,background:Cf,sky:Hf,atmosphere:Wf,custom:Rf,debug:Pf,debugPadding:kf,terrainDepth:zf};var Kf=class e{constructor(e,t){this.drawFunctions=Gf,this.context=new Sd(e),this.transform=t,this.layerOpacityFbo=null,this._tileTextures={},this._rttObjectRecyclePool=[],this._rttSharedFbo=null,this.terrainFacilitator={depthDirty:!0,matrix:$e(new Float64Array(16)),renderTime:0},this.setup(),this.numSublayers=No.maxOverzooming+No.maxUnderzooming+1,this.depthEpsilon=1/2**16,this.crossTileSymbolIndex=new Bs}resize(e,t,n){if(this.width=Math.floor(e*n),this.height=Math.floor(t*n),this.pixelRatio=n,this.context.viewport.set([0,0,this.width,this.height]),this.style)for(let e of this.style._order)this.style._layers[e].resize()}setup(){let e=this.context,t=new Un;t.emplaceBack(0,0),t.emplaceBack(N,0),t.emplaceBack(0,N),t.emplaceBack(N,N),this.tileExtentBuffer=e.createVertexBuffer(t,Wa.members),this.tileExtentSegments=ae.simpleSegment(0,0,4,2);let n=new Un;n.emplaceBack(0,0),n.emplaceBack(N,0),n.emplaceBack(0,N),n.emplaceBack(N,N),this.debugBuffer=e.createVertexBuffer(n,Wa.members),this.debugSegments=ae.simpleSegment(0,0,4,5);let r=new bt;r.emplaceBack(0,0,0,0),r.emplaceBack(N,0,N,0),r.emplaceBack(0,N,0,N),r.emplaceBack(N,N,N,N),this.rasterBoundsBuffer=e.createVertexBuffer(r,hl.members),this.rasterBoundsSegments=ae.simpleSegment(0,0,4,2);let i=new Un;i.emplaceBack(0,0),i.emplaceBack(N,0),i.emplaceBack(0,N),i.emplaceBack(N,N),this.rasterBoundsBufferPosOnly=e.createVertexBuffer(i,Wa.members),this.rasterBoundsSegmentsPosOnly=ae.simpleSegment(0,0,4,5);let a=new Un;a.emplaceBack(0,0),a.emplaceBack(1,0),a.emplaceBack(0,1),a.emplaceBack(1,1),this.viewportBuffer=e.createVertexBuffer(a,Wa.members),this.viewportSegments=ae.simpleSegment(0,0,4,2);let o=new ne;o.emplaceBack(0),o.emplaceBack(1),o.emplaceBack(3),o.emplaceBack(2),o.emplaceBack(0),this.tileBorderIndexBuffer=e.createIndexBuffer(o);let s=new gt;s.emplaceBack(1,0,2),s.emplaceBack(1,2,3),this.quadTriangleIndexBuffer=e.createIndexBuffer(s);let c=this.context.gl;this.stencilClearMode=new Q({func:c.ALWAYS,mask:0},0,255,c.ZERO,c.ZERO,c.ZERO),this.tileExtentMesh=new Ua(this.tileExtentBuffer,this.quadTriangleIndexBuffer,this.tileExtentSegments)}clearStencil(){let e=this.context,t=e.gl;this.nextStencilID=1,this.currentStencilSource=void 0;let n=vr();Ne(n,0,this.width,this.height,0,0,1),ke(n,n,[t.drawingBufferWidth,t.drawingBufferHeight,0]);let r={mainMatrix:n,tileMercatorCoords:[0,0,1,1],clippingPlane:[0,0,0,0],projectionTransition:0,fallbackMatrix:n,clipAntimeridian:!1};this.useProgram(`clippingMask`,null,!0).draw(e,t.TRIANGLES,Z.disabled,this.stencilClearMode,xd.disabled,$.disabled,null,null,r,`$clipping`,this.viewportBuffer,this.quadTriangleIndexBuffer,this.viewportSegments)}renderTileClippingMasks(e,t,n){if(this.currentStencilSource===e.source||!e.isTileClipped()||!t?.length)return;this.currentStencilSource=e.source,this.nextStencilID+t.length>256&&this.clearStencil();let r=this.context;r.setColorMode(xd.disabled),r.setDepthMode(Z.disabled);let i={};for(let e of t)i[e.key]=this.nextStencilID++;this.style.projection.useSubdivision&&this._renderTileMasks(i,t,n,!0),this._renderTileMasks(i,t,n,!1),this._tileClippingMaskIDs=i}_renderTileMasks(e,t,n,r){let i=this.context,a=i.gl,o=this.style.projection,s=this.transform,c=this.useProgram(`clippingMask`);for(let l of t){let t=e[l.key],u=this.getTerrainDataForTile(l,n),d=o.getMeshFromTileID(this.context,l.canonical,r,!0,`stencil`),f=s.getProjectionData({overscaledTileID:l,applyGlobeMatrix:!n,applyTerrainMatrix:!0});c.draw(i,a.TRIANGLES,Z.disabled,new Q({func:a.ALWAYS,mask:0},t,255,a.KEEP,a.KEEP,a.REPLACE),xd.disabled,n?$.disabled:$.backCCW,null,u,f,`$clipping`,d.vertexBuffer,d.indexBuffer,d.segments)}}getTerrainDataForTile(e,t){return t&&this.style.projection?.name===`mercator`?null:this.style.map.terrain?.getTerrainData(e)||null}_renderTilesDepthBuffer(){let e=this.context,t=e.gl,n=this.style.projection,r=this.transform,i=this.useProgram(`depth`),a=this.getDepthModeFor3D(),o=So(r,{tileSize:r.tileSize});for(let s of o){let o=this.style.map.terrain?.getTerrainData(s),c=n.getMeshFromTileID(this.context,s.canonical,!0,!0,`raster`),l=r.getProjectionData({overscaledTileID:s,applyGlobeMatrix:!0,applyTerrainMatrix:!0});i.draw(e,t.TRIANGLES,a,Q.disabled,xd.disabled,$.backCCW,null,o,l,`$clipping`,c.vertexBuffer,c.indexBuffer,c.segments)}}stencilModeFor3D(){this.currentStencilSource=void 0,this.nextStencilID+1>256&&this.clearStencil();let e=this.nextStencilID++,t=this.context.gl;return new Q({func:t.NOTEQUAL,mask:255},e,255,t.KEEP,t.KEEP,t.REPLACE)}stencilModeForClipping(e){let t=this.context.gl;return new Q({func:t.EQUAL,mask:255},this._tileClippingMaskIDs[e.key],0,t.KEEP,t.KEEP,t.REPLACE)}getStencilConfigForOverlapAndUpdateStencilID(e){let t=this.context.gl,n=e.sort((e,t)=>t.overscaledZ-e.overscaledZ),r=n[n.length-1].overscaledZ,i=n[0].overscaledZ-r+1;if(i>1){this.currentStencilSource=void 0,this.nextStencilID+i>256&&this.clearStencil();let e={};for(let n=0;nt.overscaledZ-e.overscaledZ),r=n[n.length-1].overscaledZ,i=n[0].overscaledZ-r+1;if(this.clearStencil(),i>1){let e={},a={};for(let n=0;n0};for(let e in r){let t=r[e];t.used&&t.prepare(this.context),i[e]=t.getVisibleCoordinates(!1),a[e]=i[e].slice().reverse(),o[e]=t.getVisibleCoordinates(!0).reverse()}this.opaquePassCutoff=1/0;for(let e=0;e=0;this.currentLayer--){let e=this.style._layers[n[this.currentLayer]],t=r[e.source],a=i[e.source];this.renderTileClippingMasks(e,a,!1),this.renderLayer(this,t,e,a,s)}this.renderPass=`translucent`;let c=!1;for(this.currentLayer=0;this.currentLayer0?t.pop():null}acquireRTT(e){let t=this.context.gl,n=this._rttObjectRecyclePool.pop();if(n)return n.size!==e&&(t.bindTexture(t.TEXTURE_2D,n.texture.texture),t.texImage2D(t.TEXTURE_2D,0,t.RGBA,e,e,0,t.RGBA,t.UNSIGNED_BYTE,null),n.texture.size=[e,e],n.size=e),n;let r=new _(this.context,{width:e,height:e,data:null},t.RGBA);return r.bind(t.LINEAR,t.CLAMP_TO_EDGE),this.context.extTextureFilterAnisotropic&&t.texParameterf(t.TEXTURE_2D,this.context.extTextureFilterAnisotropic.TEXTURE_MAX_ANISOTROPY_EXT,this.context.extTextureFilterAnisotropicMax),{texture:r,size:e}}bindRTT(e){let t=this.context.gl,n=e.size;if(!this._rttSharedFbo){let e=this.context.createFramebuffer(n,n,!0,!0),r=this.context.createRenderbuffer(t.DEPTH_STENCIL,n,n);e.depthAttachment.set(r),this._rttSharedFbo={fbo:e,depthRenderbuffer:r,size:n}}this._rttSharedFbo.size!==n&&(this.context.bindRenderbuffer.set(this._rttSharedFbo.depthRenderbuffer),t.renderbufferStorage(t.RENDERBUFFER,t.DEPTH_STENCIL,n,n),this.context.bindRenderbuffer.set(null),this._rttSharedFbo.fbo.width=n,this._rttSharedFbo.fbo.height=n,this._rttSharedFbo.size=n),this._rttSharedFbo.fbo.colorAttachment.set(e.texture.texture),this.context.bindFramebuffer.set(this._rttSharedFbo.fbo.framebuffer)}releaseRTT(e){this._rttObjectRecyclePool.push(e)}isPatternMissing(e){if(!e)return!1;if(!e.from||!e.to)return!0;let t=this.patternAtlas.getPattern(e.from.toString()),n=this.patternAtlas.getPattern(e.to.toString());return!t||!n}useProgram(e,t,n=!1,r=[]){this.cache||={};let i=!!this.style.map.terrain,a=this.style.projection,o=n?Xs.projectionMercator:a.shaderPreludeCode,s=n?Zs:a.shaderDefine,c=`/${n?Qs:a.shaderVariantName}`,l=t?t.cacheKey:``,u=this._showOverdrawInspector?`/overdraw`:``,d=i?`/terrain`:``,f=r?`/${r.join(`/`)}`:``,p=e+l+c+u+d+f;return this.cache[p]||=new El(this.context,Xs[e],t,Fu[e],this._showOverdrawInspector,i,o,s,r),this.cache[p]}setCustomLayerDefaults(){this.context.setCustomLayerDefaults()}setBaseState(){let e=this.context.gl;this.context.cullFace.set(!1),this.context.viewport.set([0,0,this.width,this.height]),this.context.blendEquation.set(e.FUNC_ADD)}initDebugOverlayCanvas(){if(this.debugOverlayCanvas==null){this.debugOverlayCanvas=document.createElement(`canvas`),this.debugOverlayCanvas.width=512,this.debugOverlayCanvas.height=512;let e=this.context.gl;this.debugOverlayTexture=new _(this.context,this.debugOverlayCanvas,e.RGBA)}}destroy(){if(this._tileTextures){for(let e in this._tileTextures){let t=this._tileTextures[e];if(t)for(let e of t)e.destroy()}this._tileTextures={}}for(let e of this._rttObjectRecyclePool)e.texture.destroy();if(this._rttObjectRecyclePool=[],this._rttSharedFbo){this._rttSharedFbo.fbo.colorAttachment.set(null),this._rttSharedFbo.fbo.depthAttachment.set(null);let e=this.context.gl;e.deleteRenderbuffer(this._rttSharedFbo.depthRenderbuffer),e.deleteFramebuffer(this._rttSharedFbo.fbo.framebuffer),this._rttSharedFbo=null}if(this.layerOpacityFbo?.destroy(),this.layerOpacityFbo=null,this.tileExtentBuffer&&this.tileExtentBuffer.destroy(),this.debugBuffer&&this.debugBuffer.destroy(),this.rasterBoundsBuffer&&this.rasterBoundsBuffer.destroy(),this.rasterBoundsBufferPosOnly&&this.rasterBoundsBufferPosOnly.destroy(),this.viewportBuffer&&this.viewportBuffer.destroy(),this.tileBorderIndexBuffer&&this.tileBorderIndexBuffer.destroy(),this.quadTriangleIndexBuffer&&this.quadTriangleIndexBuffer.destroy(),this.tileExtentMesh&&this.tileExtentMesh.vertexBuffer?.destroy(),this.tileExtentMesh&&this.tileExtentMesh.indexBuffer?.destroy(),this.debugOverlayTexture&&this.debugOverlayTexture.destroy(),this.cache){for(let e in this.cache){let t=this.cache[e];t?.program&&this.context.gl.deleteProgram(t.program)}this.cache={}}this.context&&this.context.setDefault()}overLimit(){let{drawingBufferWidth:e,drawingBufferHeight:t}=this.context.gl;return this.width!==e||this.height!==t}},qf=class extends Error{constructor(e,t){super(`WebGL2 is required to display this map. We are sorry, but it seems that your browser does not support WebGL2, a technology for rendering 3D graphics on the web. Read more on https://wiki.openstreetmap.org/wiki/This_map_requires_WebGL`),this.name=`GPUInitializationError`,this.requestedAttributes=e,this.statusMessage=t?.statusMessage??null}};function Jf(e,t){let n=!1,r=null,i,a=()=>{r=null,n&&=(e(...i),r=setTimeout(a,t),!1)};return(...e)=>(n=!0,i=e,r||a(),r)}var Yf=class{constructor(e){this._getHashParams=()=>new URLSearchParams(window.location.hash.replace(`#`,``)),this._getCurrentHash=()=>{let e=this._getHashParams();return this._hashName?(e.get(this._hashName)||``).split(`/`):([...e.keys()][0]??``).split(`/`)},this._onHashChange=()=>{let e=this._getCurrentHash();if(!this._isValidHash(e))return!1;let t=this._map.dragRotate.isEnabled()&&this._map.touchZoomRotate.isEnabled()?+(e[3]||0):this._map.getBearing();return this._map.jumpTo({center:[+e[2],+e[1]],zoom:+e[0],bearing:t,pitch:+(e[4]||0)}),!0},this._updateHashUnthrottled=()=>{let e=window.location.href.replace(/(#.*)?$/,this.getHashString());window.history.replaceState(window.history.state,null,e)},this._removeHash=()=>{let e=this._getHashParams();if(this._hashName)e.delete(this._hashName);else{let t=Array.from(e.keys());t.length>0&&e.delete(t[0])}let t=decodeURIComponent(e.toString()).replace(/=&/g,`&`).replace(/=$/g,``),n=t?`#${t}`:``,r=window.location.href.replace(/(#.+)?$/,n);r=r.replace(`&&`,`&`),window.history.replaceState(window.history.state,null,r)},this._updateHash=Jf(this._updateHashUnthrottled,300),this._hashName=e&&encodeURIComponent(e)}addTo(e){return this._map=e,addEventListener(`hashchange`,this._onHashChange,!1),this._map.on(`moveend`,this._updateHash),this}remove(){return removeEventListener(`hashchange`,this._onHashChange,!1),this._map.off(`moveend`,this._updateHash),clearTimeout(this._updateHash()),this._removeHash(),delete this._map,this}getHashString(e){let t=this._map.getCenter(),n=Math.round(this._map.getZoom()*100)/100,r=10**Math.ceil((n*Math.LN2+Math.log(512/360/.5))/Math.LN10),i=Math.round(t.lng*r)/r,a=Math.round(t.lat*r)/r,o=this._map.getBearing(),s=this._map.getPitch(),c=``;if(c+=e?`/${i}/${a}/${n}`:`${n}/${a}/${i}`,(o||s)&&(c+=`/${Math.round(o*10)/10}`),s&&(c+=`/${Math.round(s)}`),this._hashName){let e=this._getHashParams();return e.set(this._hashName,c),`#${decodeURIComponent(e.toString()).replace(/=&/g,`&`).replace(/=$/g,``)}`}return`#${c}`}_isValidHash(e){if(e.length<3||e.some(e=>isNaN(+e)))return!1;try{new V(+e[2],+e[1])}catch{return!1}let t=+e[0],n=+(e[3]||0),r=+(e[4]||0);return t>=this._map.getMinZoom()&&t<=this._map.getMaxZoom()&&n>=-180&&n<=180&&r>=this._map.getMinPitch()&&r<=this._map.getMaxPitch()}};const Xf={linearity:.3,easing:dt(0,0,.3,1)},Zf=z({deceleration:2500,maxSpeed:1400},Xf),Qf=z({deceleration:20,maxSpeed:1400},Xf),$f=z({deceleration:1e3,maxSpeed:360},Xf),ep=z({deceleration:1e3,maxSpeed:90},Xf),tp=z({deceleration:1e3,maxSpeed:360},Xf);var np=class{constructor(e){this._map=e,this.clear()}clear(){this._inertiaBuffer=[]}record(e){this._drainInertiaBuffer(),this._inertiaBuffer.push({time:U(),settings:e})}_drainInertiaBuffer(){let e=this._inertiaBuffer,t=U();for(;e.length>0&&t-e[0].time>160;)e.shift()}_getVelocityEntries(){let e=this._inertiaBuffer,t=U()-60,n=Math.max(0,e.length-2);for(;n>0&&e[n-1].time>=t;)n--;return e.slice(n)}_onMoveEnd(e){this._drainInertiaBuffer();let t=this._getVelocityEntries();if(t.length<2){this.clear();return}let n={zoom:0,bearing:0,pitch:0,roll:0,pan:new l(0,0),pinchAround:void 0,around:void 0};for(let{settings:e}of t)e.around&&(n.around=e.around),e.pinchAround&&(n.pinchAround=e.pinchAround);for(let{settings:e}of t.slice(1))n.zoom+=e.zoomDelta||0,n.bearing+=e.bearingDelta||0,n.pitch+=e.pitchDelta||0,n.roll+=e.rollDelta||0,e.panDelta&&n.pan._add(e.panDelta);if(!n.pan.mag()&&!n.zoom&&!n.bearing&&!n.pitch&&!n.roll){this.clear();return}let r=U()-t[0].time,i={};if(n.pan.mag()){let t=ip(n.pan.mag(),r,z({},Zf,e||{})),a=n.pan.mult(t.amount/n.pan.mag()),o=this._map._camera.cameraHelper.handlePanInertia(a,this._map._camera.transform);i.center=o.easingCenter,i.offset=o.easingOffset,rp(i,t)}if(n.zoom){let e=ip(n.zoom,r,Qf);i.zoom=un(this._map.getZoom()+e.amount,this._map.getZoomSnap(),e.amount),rp(i,e)}if(n.bearing){let e=ip(n.bearing,r,$f);i.bearing=this._map.getBearing()+M(e.amount,-179,179),rp(i,e)}if(n.pitch){let e=ip(n.pitch,r,ep);i.pitch=this._map.getPitch()+e.amount,rp(i,e)}if(n.roll){let e=ip(n.roll,r,tp);i.roll=this._map.getRoll()+M(e.amount,-179,179),rp(i,e)}if(i.zoom||i.bearing){let e=n.pinchAround===void 0?n.around:n.pinchAround;i.around=e?this._map.unproject(e):this._map.getCenter()}return this.clear(),z(i,{noMoveStart:!0})}};function rp(e,t){(!e.duration||e.duration=this._clickTolerance||this._map.fire(new Jr(e.type,this._map,e))}dblclick(e){return this._firePreventable(new Jr(e.type,this._map,e))}mouseover(e){this._map.fire(new Jr(e.type,this._map,e))}mouseout(e){this._map.fire(new Jr(e.type,this._map,e))}touchstart(e){return this._firePreventable(new Yr(e.type,this._map,e))}touchmove(e){this._map.fire(new Yr(e.type,this._map,e))}touchend(e){this._map.fire(new Yr(e.type,this._map,e))}touchcancel(e){this._map.fire(new Yr(e.type,this._map,e))}_firePreventable(e){if(this._map.fire(e),e.defaultPrevented)return{}}isEnabled(){return!0}isActive(){return!1}enable(){}disable(){}},op=class{constructor(e){this._map=e}reset(){this._delayContextMenu=!1,this._ignoreContextMenu=!0,delete this._contextMenuEvent}mousemove(e){this._map.fire(new Jr(e.type,this._map,e))}mousedown(){this._delayContextMenu=!0,this._ignoreContextMenu=!1}mouseup(){this._delayContextMenu=!1,this._contextMenuEvent&&(this._map.fire(new Jr(`contextmenu`,this._map,this._contextMenuEvent)),delete this._contextMenuEvent)}contextmenu(e){this._delayContextMenu?this._contextMenuEvent=e:this._ignoreContextMenu||this._map.fire(new Jr(e.type,this._map,e)),this._map.listens(`contextmenu`)&&e.preventDefault()}isEnabled(){return!0}isActive(){return!1}enable(){}disable(){}},sp=class{constructor(e,t,n){this._map=e,this._tr=n,this._el=e.getCanvasContainer(),this._container=e.getContainer(),this._clickTolerance=t.clickTolerance||1,t.boxZoom&&typeof t.boxZoom==`object`&&(this._boxZoomEnd=t.boxZoom.boxZoomEnd)}isEnabled(){return!!this._enabled}isActive(){return!!this._active}enable(){this.isEnabled()||(this._enabled=!0)}disable(){this.isEnabled()&&(this._enabled=!1)}mousedown(e,t){this.isEnabled()&&e.shiftKey&&e.button===0&&(W.disableDrag(),this._startPos=this._lastPos=t,this._active=!0)}mousemoveWindow(e,t){if(!this._active)return;let n=t;if(this._lastPos.equals(n)||!this._box&&n.dist(this._startPos)e.fitScreenCoordinates(n,r,this._tr.bearing,{linear:!0})}}}keydown(e){this._active&&e.keyCode===27&&(this.reset(),this._fireEvent(`boxzoomcancel`,e))}reset(){this._active=!1,this._container.classList.remove(`maplibregl-crosshair`),this._box&&=(this._box.remove(),null),W.enableDrag(),delete this._startPos,delete this._lastPos}_fireEvent(e,t){return this._map.fire(new Zr(e,{originalEvent:t}))}};function cp(e,t){if(e.length!==t.length)throw Error(`The number of touches and points are not equal - touches ${e.length}, points ${t.length}`);let n={};for(let r=0;rthis.numTouches)&&(this.aborted=!0),!this.aborted&&(this.startTime===void 0&&(this.startTime=e.timeStamp),n.length===this.numTouches&&(this.centroid=lp(t),this.touches=cp(n,t)))}touchmove(e,t,n){if(this.aborted||!this.centroid)return;let r=cp(n,t);for(let e in this.touches){let t=this.touches[e],n=r[e];(!n||n.dist(t)>30)&&(this.aborted=!0)}}touchend(e,t,n){if((!this.centroid||e.timeStamp-this.startTime>500)&&(this.aborted=!0),n.length===0){let e=!this.aborted&&this.centroid;if(this.reset(),e)return e}}},dp=class{constructor(e){this.singleTap=new up(e),this.numTaps=e.numTaps,this.reset()}reset(){this.lastTime=1/0,delete this.lastTap,this.count=0,this.singleTap.reset()}touchstart(e,t,n){this.singleTap.touchstart(e,t,n)}touchmove(e,t,n){this.singleTap.touchmove(e,t,n)}touchend(e,t,n){let r=this.singleTap.touchend(e,t,n);if(r){let t=e.timeStamp-this.lastTime<500,n=!this.lastTap||this.lastTap.dist(r)<30;if((!t||!n)&&this.reset(),this.count++,this.lastTime=e.timeStamp,this.lastTap=r,this.count===this.numTaps)return this.reset(),r}}},fp=class{constructor(e,t){this._tr=t,this._zoomIn=new dp({numTouches:1,numTaps:2}),this._zoomOut=new dp({numTouches:2,numTaps:1}),this.reset()}reset(){this._active=!1,this._zoomIn.reset(),this._zoomOut.reset()}touchstart(e,t,n){this._zoomIn.touchstart(e,t,n),this._zoomOut.touchstart(e,t,n)}touchmove(e,t,n){this._zoomIn.touchmove(e,t,n),this._zoomOut.touchmove(e,t,n)}touchend(e,t,n){let r=this._zoomIn.touchend(e,t,n),i=this._zoomOut.touchend(e,t,n),a=this._tr;if(r)return this._active=!0,e.preventDefault(),setTimeout(()=>this.reset(),0),{cameraAnimation:t=>t.easeTo({duration:300,zoom:un(a.zoom+1,t.getZoomSnap()),around:a.unproject(r)},{originalEvent:e})};if(i)return this._active=!0,e.preventDefault(),setTimeout(()=>this.reset(),0),{cameraAnimation:t=>t.easeTo({duration:300,zoom:un(a.zoom-1,t.getZoomSnap()),around:a.unproject(i)},{originalEvent:e})}}touchcancel(){this.reset()}enable(){this._enabled=!0}disable(){this._enabled=!1,this.reset()}isEnabled(){return this._enabled}isActive(){return this._active}},pp=class{constructor(e){this._enabled=!!e.enable,this._moveStateManager=e.moveStateManager,this._clickTolerance=e.clickTolerance||1,this._moveFunction=e.move,this._activateOnStart=!!e.activateOnStart,e.assignEvents(this),this.reset()}reset(e){this._active=!1,this._moved=!1,delete this._lastPoint,this._moveStateManager.endMove(e)}_move(...e){let t=this._moveFunction(...e);if(t.bearingDelta||t.pitchDelta||t.rollDelta||t.around||t.panDelta)return this._active=!0,t}dragStart(e,t){!this.isEnabled()||this._lastPoint||this._moveStateManager.isValidStartEvent(e)&&(this._moveStateManager.startMove(e),this._lastPoint=Array.isArray(t)?t[0]:t,this._activateOnStart&&this._lastPoint&&(this._active=!0))}dragMove(e,t){if(!this.isEnabled())return;let n=this._lastPoint;if(!n)return;if(e.preventDefault(),!this._moveStateManager.isValidMoveEvent(e)){this.reset(e);return}let r=Array.isArray(t)?t[0]:t;if(!(!this._moved&&r.dist(n)!0}),t=new _p){this.mouseMoveStateManager=e,this.oneFingerTouchMoveStateManager=t}_executeRelevantHandler(e,t,n){if(e instanceof MouseEvent)return t(e);if(typeof TouchEvent<`u`&&e instanceof TouchEvent)return n(e)}startMove(e){this._executeRelevantHandler(e,e=>{this.mouseMoveStateManager.startMove(e)},e=>{this.oneFingerTouchMoveStateManager.startMove(e)})}endMove(e){this._executeRelevantHandler(e,e=>{this.mouseMoveStateManager.endMove(e)},e=>{this.oneFingerTouchMoveStateManager.endMove(e)})}isValidStartEvent(e){return!!this._executeRelevantHandler(e,e=>this.mouseMoveStateManager.isValidStartEvent(e),e=>this.oneFingerTouchMoveStateManager.isValidStartEvent(e))}isValidMoveEvent(e){return!!this._executeRelevantHandler(e,e=>this.mouseMoveStateManager.isValidMoveEvent(e),e=>this.oneFingerTouchMoveStateManager.isValidMoveEvent(e))}isValidEndEvent(e){return!!this._executeRelevantHandler(e,e=>this.mouseMoveStateManager.isValidEndEvent(e),e=>this.oneFingerTouchMoveStateManager.isValidEndEvent(e))}};const yp=e=>{e.mousedown=e.dragStart,e.mousemoveWindow=e.dragMove,e.mouseup=e.dragEnd,e.contextmenu=e=>{e.preventDefault()}};function bp({enable:e,clickTolerance:t}){return new pp({clickTolerance:t,move:(e,t)=>({around:t,panDelta:t.sub(e)}),activateOnStart:!0,moveStateManager:new gp({checkCorrectEvent:e=>e.button===0&&!e.ctrlKey}),enable:e,assignEvents:yp})}function xp({enable:e,clickTolerance:t,aroundCenter:n=!0,minPixelCenterThreshold:r=100,rotateSpeed:i=.8},a){return new pp({clickTolerance:t,move:(e,t)=>{let o=a();if(n&&Math.abs(o.y-e.y)>r)return{bearingDelta:wn(new l(e.x,t.y),t,o)};let s=(t.x-e.x)*i;return n&&t.ye.button===0&&e.ctrlKey||e.button===2&&!e.ctrlKey}),enable:e,assignEvents:yp})}function Sp({enable:e,clickTolerance:t,pitchSpeed:n=-.5}){return new pp({clickTolerance:t,move:(e,t)=>({pitchDelta:(t.y-e.y)*n}),moveStateManager:new gp({checkCorrectEvent:e=>e.button===0&&e.ctrlKey||e.button===2}),enable:e,assignEvents:yp})}function Cp({enable:e,clickTolerance:t,rollDegreesPerPixelMoved:n=.3},r){return new pp({clickTolerance:t,move:(e,t)=>{let i=r(),a=(t.x-e.x)*n;return t.ye.button===2&&e.ctrlKey}),enable:e,assignEvents:yp})}var wp=class{constructor(e,t){this._clickTolerance=e.clickTolerance||1,this._map=t,this.reset()}reset(){this._active=!1,this._touches={},this._sum=new l(0,0)}_shouldBePrevented(e){return e<(this._map.cooperativeGestures.isEnabled()?2:1)}touchstart(e,t,n){return this._calculateTransform(e,t,n)}touchmove(e,t,n){if(this._active){if(this._shouldBePrevented(n.length)){this._map.cooperativeGestures.notifyGestureBlocked(`touch_pan`,e);return}return e.preventDefault(),this._calculateTransform(e,t,n)}}touchend(e,t,n){this._calculateTransform(e,t,n),this._active&&this._shouldBePrevented(n.length)&&this.reset()}touchcancel(){this.reset()}_calculateTransform(e,t,n){n.length>0&&(this._active=!0);let r=cp(n,t),i=new l(0,0),a=new l(0,0),o=0;for(let e in r){let t=r[e],n=this._touches[e];n&&(i._add(t),a._add(t.sub(n)),o++,r[e]=t)}if(this._touches=r,this._shouldBePrevented(o)||!a.mag())return;let s=a.div(o);if(this._sum._add(s),!(this._sum.mag()Math.abs(e.x)}var Np=class extends Tp{constructor(e){super(),this._currentTouchCount=0,this._map=e}reset(){super.reset(),this._valid=void 0,delete this._firstMove,delete this._lastPoints}touchstart(e,t,n){super.touchstart(e,t,n),this._currentTouchCount=n.length}_start(e){this._lastPoints=e,Mp(e[0].sub(e[1]))&&(this._valid=!1)}_move(e,t,n){if(this._map.cooperativeGestures.isEnabled()&&this._currentTouchCount<3)return;let r=e[0].sub(this._lastPoints[0]),i=e[1].sub(this._lastPoints[1]);if(this._valid=this.gestureBeginsVertically(r,i,n.timeStamp),this._valid)return this._lastPoints=e,this._active=!0,{pitchDelta:(r.y+i.y)/2*-.5}}gestureBeginsVertically(e,t,n){if(this._valid!==void 0)return this._valid;let r=e.mag()>=2,i=t.mag()>=2;if(!r&&!i)return;if(!r||!i)return this._firstMove===void 0&&(this._firstMove=n),n-this._firstMove<100&&void 0;let a=e.y>0==t.y>0;return Mp(e)&&Mp(t)&&a}};const Pp={panStep:100,bearingStep:15,pitchStep:10};var Fp=class{constructor(e,t){this._tr=t;let n=Pp;this._panStep=n.panStep,this._bearingStep=n.bearingStep,this._pitchStep=n.pitchStep,this._rotationDisabled=!1}reset(){this._active=!1}keydown(e){if(e.altKey||e.ctrlKey||e.metaKey)return;let t=0,n=0,r=0,i=0,a=0;switch(e.keyCode){case 61:case 107:case 171:case 187:t=1;break;case 189:case 109:case 173:t=-1;break;case 37:e.shiftKey?n=-1:(e.preventDefault(),i=-1);break;case 39:e.shiftKey?n=1:(e.preventDefault(),i=1);break;case 38:e.shiftKey?r=1:(e.preventDefault(),a=-1);break;case 40:e.shiftKey?r=-1:(e.preventDefault(),a=1);break;default:return}return this._rotationDisabled&&(n=0,r=0),{cameraAnimation:o=>{let s=this._tr;o.easeTo({duration:300,easeId:`keyboardHandler`,easing:Ip,zoom:t?un(s.zoom+t*(e.shiftKey?2:1),o.getZoomSnap()):s.zoom,bearing:s.bearing+n*this._bearingStep,pitch:s.pitch+r*this._pitchStep,offset:[-i*this._panStep,-a*this._panStep],center:s.center},{originalEvent:e})}}}enable(){this._enabled=!0}disable(){this._enabled=!1,this.reset()}isEnabled(){return this._enabled}isActive(){return this._active}disableRotation(){this._rotationDisabled=!0}enableRotation(){this._rotationDisabled=!1}};function Ip(e){return e*(2-e)}const Lp=4.000244140625;var Rp=class{constructor(e,t,n){this._onTimeout=e=>{this._type=`wheel`,this._delta-=this._lastValue,this._active||this._start(e)},this._map=e,this._tr=n,this._triggerRenderFrame=t,this._delta=0,this._defaultZoomRate=.01,this._wheelZoomRate=.0022222222222222222}setZoomRate(e){this._defaultZoomRate=e}setWheelZoomRate(e){this._wheelZoomRate=e}isEnabled(){return!!this._enabled}isActive(){return!!this._active||this._finishTimeout!==void 0}isZooming(){return!!this._zooming}enable(e){this.isEnabled()||(this._enabled=!0,this._aroundCenter=!!e&&e.around===`center`)}disable(){this.isEnabled()&&(this._enabled=!1)}_shouldBePrevented(e){return this._map.cooperativeGestures.isEnabled()?!(e.ctrlKey||this._map.cooperativeGestures.isBypassed(e)):!1}wheel(e){if(!this.isEnabled())return;if(this._shouldBePrevented(e)){this._map.cooperativeGestures.notifyGestureBlocked(`wheel_zoom`,e);return}let t=e.deltaMode===WheelEvent.DOM_DELTA_LINE?e.deltaY*40:e.deltaY,n=U(),r=n-(this._lastWheelEventTime||0);this._lastWheelEventTime=n,t!==0&&t%Lp==0?this._type=`wheel`:t!==0&&Math.abs(t)<4?this._type=`trackpad`:r>400?(this._type=null,this._lastValue=t,this._timeout=setTimeout(this._onTimeout,40,e)):this._type||(this._type=Math.abs(r*t)<200?`trackpad`:`wheel`,this._timeout&&(clearTimeout(this._timeout),this._timeout=null,t+=this._lastValue)),e.shiftKey&&t&&(t/=4),this._type&&(this._lastWheelEvent=e,this._delta-=t,this._active||this._start(e)),e.preventDefault()}_start(e){if(!this._delta)return;this._needsRerender=!1,this._active=!0,this.isZooming()||(this._zooming=!0),this._finishTimeout&&(clearTimeout(this._finishTimeout),delete this._finishTimeout);let t=W.mousePos(this._map.getCanvas(),e),n=this._tr;this._aroundPoint=this._aroundCenter?n.transform.locationToScreenPoint(V.convert(n.center)):t,this._needsRerender||(this._needsRerender=!0,this._triggerRenderFrame())}renderFrame(){if(!this._needsRerender||(this._needsRerender=!1,!this.isActive()))return;let e=this._tr.transform;if(typeof this._lastExpectedZoom==`number`){let t=e.zoom-this._lastExpectedZoom;typeof this._startZoom==`number`&&(this._startZoom+=t),typeof this._targetZoom==`number`&&(this._targetZoom+=t)}if(this._delta!==0){let t=this._type===`wheel`&&Math.abs(this._delta)>Lp?this._wheelZoomRate:this._defaultZoomRate,n=2/(1+Math.exp(-Math.abs(this._delta*t)));this._delta<0&&n!==0&&(n=1/n);let r=typeof this._targetZoom==`number`?d(this._targetZoom):e.scale,i=e.applyConstrain(e.getCameraLngLat(),Ee(r*n)).zoom,a=this._map.getZoomSnap();if(this._type===`wheel`&&a>0){let t=un(e.zoom,a);this._targetZoom=un(i,a,i-t)}else this._targetZoom=i;this._type===`wheel`&&(this._startZoom=e.zoom,this._easing=this._smoothOutEasing(200)),this._delta=0}let t=typeof this._targetZoom==`number`?this._targetZoom:e.zoom,n=this._startZoom,r=this._easing,i=!1,a;if(this._type===`wheel`&&n&&r){let e=U()-this._lastWheelEventTime,o=Math.min((e+5)/200,1),s=r(o);a=on.number(n,t,s),o<1?this._needsRerender=!0:i=!0}else a=t,i=!0;return this._active=!0,i&&(this._active=!1,this._finishTimeout=setTimeout(()=>{this._zooming=!1,this._triggerRenderFrame(),delete this._targetZoom,delete this._lastExpectedZoom,delete this._finishTimeout},200)),this._lastExpectedZoom=a,{noInertia:!0,needsRenderFrame:!i,zoomDelta:a-e.zoom,around:this._aroundPoint,originalEvent:this._lastWheelEvent}}_smoothOutEasing(e){let n=t;if(this._prevEase){let e=this._prevEase,t=(U()-e.start)/e.duration,r=e.easing(t+.01)-e.easing(t),i=.27/Math.sqrt(r*r+1e-4)*.01,a=Math.sqrt(.0729-i*i);n=dt(i,a,.25,1)}return this._prevEase={start:U(),duration:e,easing:n},n}reset(){this._active=!1,this._zooming=!1,delete this._targetZoom,delete this._lastExpectedZoom,this._finishTimeout&&(clearTimeout(this._finishTimeout),delete this._finishTimeout)}},zp=class{constructor(e,t){this._clickZoom=e,this._tapZoom=t}enable(){this._clickZoom.enable(),this._tapZoom.enable()}disable(){this._clickZoom.disable(),this._tapZoom.disable()}isEnabled(){return this._clickZoom.isEnabled()&&this._tapZoom.isEnabled()}isActive(){return this._clickZoom.isActive()||this._tapZoom.isActive()}},Bp=class{constructor(e,t){this._tr=t,this.reset()}reset(){this._active=!1}dblclick(e,t){return e.preventDefault(),{cameraAnimation:n=>{n.easeTo({duration:300,zoom:un(this._tr.zoom+(e.shiftKey?-1:1),n.getZoomSnap()),around:this._tr.unproject(t)},{originalEvent:e})}}}enable(){this._enabled=!0}disable(){this._enabled=!1,this.reset()}isEnabled(){return this._enabled}isActive(){return this._active}},Vp=class{constructor(){this._tap=new dp({numTouches:1,numTaps:1}),this._zoomRate=1,this.reset()}setZoomRate(e){this._zoomRate=e??1}reset(){this._active=!1,delete this._swipePoint,delete this._swipeTouch,delete this._tapTime,delete this._tapPoint,this._tap.reset()}touchstart(e,t,n){if(!this._swipePoint){if(!this._tapTime)this._tap.touchstart(e,t,n);else{let r=t[0],i=e.timeStamp-this._tapTime<500,a=this._tapPoint.dist(r)<30;!i||!a?this.reset():n.length>0&&(this._swipePoint=r,this._swipeTouch=n[0].identifier)}}}touchmove(e,t,n){if(!this._tapTime)this._tap.touchmove(e,t,n);else if(this._swipePoint){if(n[0].identifier!==this._swipeTouch)return;let r=t[0],i=r.y-this._swipePoint.y;return this._swipePoint=r,e.preventDefault(),this._active=!0,{zoomDelta:i/128*this._zoomRate}}}touchend(e,t,n){if(this._tapTime)this._swipePoint&&n.length===0&&this.reset();else{let r=this._tap.touchend(e,t,n);r&&(this._tapTime=e.timeStamp,this._tapPoint=r)}}touchcancel(){this.reset()}enable(){this._enabled=!0}disable(){this._enabled=!1,this.reset()}isEnabled(){return this._enabled}isActive(){return this._active}},Hp=class{constructor(e,t,n){this._el=e,this._mousePan=t,this._touchPan=n}enable(e){this._inertiaOptions=e||{},this._mousePan.enable(),this._touchPan.enable(),this._el.classList.add(`maplibregl-touch-drag-pan`)}disable(){this._mousePan.disable(),this._touchPan.disable(),this._el.classList.remove(`maplibregl-touch-drag-pan`)}isEnabled(){return this._mousePan.isEnabled()&&this._touchPan.isEnabled()}isActive(){return this._mousePan.isActive()||this._touchPan.isActive()}},Up=class{constructor(e,t,n,r){this._pitchWithRotate=e.pitchWithRotate,this._rollEnabled=e.rollEnabled,this._mouseRotate=t,this._mousePitch=n,this._mouseRoll=r}enable(){this._mouseRotate.enable(),this._pitchWithRotate&&this._mousePitch.enable(),this._rollEnabled&&this._mouseRoll.enable()}disable(){this._mouseRotate.disable(),this._mousePitch.disable(),this._mouseRoll.disable()}isEnabled(){return this._mouseRotate.isEnabled()&&(!this._pitchWithRotate||this._mousePitch.isEnabled())&&(!this._rollEnabled||this._mouseRoll.isEnabled())}isActive(){return this._mouseRotate.isActive()||this._mousePitch.isActive()||this._mouseRoll.isActive()}},Wp=class{constructor(e,t,n,r){this._el=e,this._touchZoom=t,this._touchRotate=n,this._tapDragZoom=r,this._rotationDisabled=!1,this._enabled=!0}enable(e){this._touchZoom.enable(e),this._rotationDisabled||this._touchRotate.enable(e),this._tapDragZoom.enable(),this._el.classList.add(`maplibregl-touch-zoom-rotate`)}disable(){this._touchZoom.disable(),this._touchRotate.disable(),this._tapDragZoom.disable(),this._el.classList.remove(`maplibregl-touch-zoom-rotate`)}isEnabled(){return this._touchZoom.isEnabled()&&(this._rotationDisabled||this._touchRotate.isEnabled())&&this._tapDragZoom.isEnabled()}isActive(){return this._touchZoom.isActive()||this._touchRotate.isActive()||this._tapDragZoom.isActive()}setZoomRate(e){this._touchZoom.setZoomRate(e),this._tapDragZoom.setZoomRate(e)}setZoomThreshold(e){this._touchZoom.setZoomThreshold(e)}disableRotation(){this._rotationDisabled=!0,this._touchRotate.disable()}enableRotation(){this._rotationDisabled=!1,this._touchZoom.isEnabled()&&this._touchRotate.enable()}},Gp=class{constructor(e,t){this._bypassKey=navigator.userAgent.includes(`Mac`)?`metaKey`:`ctrlKey`,this._map=e,this._options=t,this._enabled=!1}isActive(){return!1}reset(){}_setupUI(){if(this._container)return;let e=this._map.getCanvasContainer();e.classList.add(`maplibregl-cooperative-gestures`),this._container=W.create(`div`,`maplibregl-cooperative-gesture-screen`,e);let t=this._map._getUIString(`CooperativeGesturesHandler.WindowsHelpText`);this._bypassKey===`metaKey`&&(t=this._map._getUIString(`CooperativeGesturesHandler.MacHelpText`));let n=this._map._getUIString(`CooperativeGesturesHandler.MobileHelpText`),r=document.createElement(`div`);r.className=`maplibregl-desktop-message`,r.textContent=t,this._container.appendChild(r);let i=document.createElement(`div`);i.className=`maplibregl-mobile-message`,i.textContent=n,this._container.appendChild(i),this._container.setAttribute(`aria-hidden`,`true`)}_destroyUI(){this._container&&(this._container.remove(),this._map.getCanvasContainer().classList.remove(`maplibregl-cooperative-gestures`)),delete this._container}enable(){this._setupUI(),this._enabled=!0}disable(){this._enabled=!1,this._destroyUI()}isEnabled(){return this._enabled}isBypassed(e){return e[this._bypassKey]}notifyGestureBlocked(e,t){this._enabled&&(this._map.fire(new Gr(`cooperativegestureprevented`,{gestureType:e,originalEvent:t})),this._container.classList.add(`maplibregl-show`),setTimeout(()=>{this._container.classList.remove(`maplibregl-show`)},100))}},Kp=class{constructor(e){this._camera=e}get transform(){return this._camera._requestedCameraState||this._camera.transform}get center(){return{lng:this.transform.center.lng,lat:this.transform.center.lat}}get zoom(){return this.transform.zoom}get pitch(){return this.transform.pitch}get bearing(){return this.transform.bearing}unproject(e){return this.transform.screenPointToLocation(l.convert(e),this._camera.terrain)}};const qp=e=>e.zoom||e.drag||e.roll||e.pitch||e.rotate;var Jp=class extends Xe{};function Yp(e){return e.panDelta?.mag()||e.zoomDelta||e.bearingDelta||e.pitchDelta||e.rollDelta}var Xp=class{get _ownerDocument(){return this._el?.ownerDocument||document}get _ownerWindow(){return this._el?.ownerDocument?.defaultView||window}constructor(e,t,n){this._terrainGestureAnchorElevation=null,this.handleWindowEvent=e=>{this.handleEvent(e,`${e.type}Window`)},this.handleEvent=(e,t)=>{if(e.type===`blur`){this.stop(!0);return}this._updatingCamera=!0;let n=e.type===`renderFrame`?void 0:e,r={needsRenderFrame:!1},i={},a={};for(let{handlerName:o,handler:s,allowed:c}of this._handlers){if(!s.isEnabled())continue;let l;if(this._blockedByActive(a,c,o))s.reset();else if(s[t||e.type]){if(Dn(e,t||e.type)){let n=W.mousePos(this._map.getCanvas(),e);l=s[t||e.type](e,n)}else if(nn(e,t||e.type)){let n=e.touches,r=this._getMapTouches(n),i=W.touchPos(this._map.getCanvas(),r);l=s[t||e.type](e,i,r)}else Dt(t||e.type)||(l=s[t||e.type](e));this.mergeHandlerResult(r,i,l,o,n),l?.needsRenderFrame&&this._triggerRenderFrame()}(l||s.isActive())&&(a[o]=s)}let o={};for(let e in this._previousActiveHandlers)a[e]||(o[e]=n);this._previousActiveHandlers=a,(Object.keys(o).length||Yp(r))&&(this._changes.push([r,i,o]),this._triggerRenderFrame()),(Object.keys(a).length||Yp(r))&&this._camera.stop(!0),this._updatingCamera=!1;let{cameraAnimation:s}=r;s&&(this._inertia.clear(),this._fireEvents({},{},!0),this._changes=[],s(this._map))},this._map=e,this._camera=t,this._transformProvider=new Kp(this._camera),this._el=this._map.getCanvasContainer(),this._handlers=[],this._handlersById={},this._changes=[],this._inertia=new np(e),this._bearingSnap=n.bearingSnap,this._previousActiveHandlers={},this._eventsInProgress={},this._addDefaultHandlers(n);let r=this._el;this._listeners=[[r,`touchstart`,{passive:!0}],[r,`touchmove`,{passive:!1}],[r,`touchend`,void 0],[r,`touchcancel`,void 0],[r,`mousedown`,void 0],[r,`mousemove`,void 0],[r,`mouseup`,void 0],[this._ownerDocument,`mousemove`,{capture:!0}],[this._ownerDocument,`mouseup`,void 0],[r,`mouseover`,void 0],[r,`mouseout`,void 0],[r,`dblclick`,void 0],[r,`click`,void 0],[r,`keydown`,{capture:!1}],[r,`keyup`,void 0],[r,`wheel`,{passive:!1}],[r,`contextmenu`,void 0],[this._ownerWindow,`blur`,void 0]];for(let[e,t,n]of this._listeners)e.addEventListener(t,e===this._ownerDocument?this.handleWindowEvent:this.handleEvent,n)}destroy(){for(let[e,t,n]of this._listeners)e.removeEventListener(t,e===this._ownerDocument?this.handleWindowEvent:this.handleEvent,n)}_addDefaultHandlers(e){let t=this._map,n=t.getCanvasContainer();this._add(`mapEvent`,new ap(t,e));let r=t.boxZoom=new sp(t,e,this._transformProvider);this._add(`boxZoom`,r),e.interactive&&e.boxZoom&&r.enable();let i=t.cooperativeGestures=new Gp(t,e.cooperativeGestures);this._add(`cooperativeGestures`,i),e.cooperativeGestures&&i.enable();let a=new fp(t,this._transformProvider),o=new Bp(t,this._transformProvider);t.doubleClickZoom=new zp(o,a),this._add(`tapZoom`,a),this._add(`clickZoom`,o),e.interactive&&e.doubleClickZoom&&t.doubleClickZoom.enable();let s=new Vp;this._add(`tapDragZoom`,s);let c=t.touchPitch=new Np(t);this._add(`touchPitch`,c),e.interactive&&e.touchPitch&&t.touchPitch.enable(e.touchPitch);let l=()=>t.project(t.getCenter()),u=xp(e,l),d=Sp(e),f=Cp(e,l);t.dragRotate=new Up(e,u,d,f),this._add(`mouseRotate`,u,[`mousePitch`]),this._add(`mousePitch`,d,[`mouseRotate`,`mouseRoll`]),this._add(`mouseRoll`,f,[`mousePitch`]),e.interactive&&e.dragRotate&&t.dragRotate.enable();let p=bp(e),m=new wp(e,t);t.dragPan=new Hp(n,p,m),this._add(`mousePan`,p),this._add(`touchPan`,m,[`touchZoom`,`touchRotate`]),e.interactive&&e.dragPan&&t.dragPan.enable(e.dragPan);let h=new jp,g=new kp;t.touchZoomRotate=new Wp(n,g,h,s),this._add(`touchRotate`,h,[`touchPan`,`touchZoom`]),this._add(`touchZoom`,g,[`touchPan`,`touchRotate`]),e.interactive&&e.touchZoomRotate&&t.touchZoomRotate.enable(e.touchZoomRotate),this._add(`blockableMapEvent`,new op(t));let _=t.scrollZoom=new Rp(t,()=>this._triggerRenderFrame(),this._transformProvider);this._add(`scrollZoom`,_,[`mousePan`]),e.interactive&&e.scrollZoom&&t.scrollZoom.enable(e.scrollZoom);let v=t.keyboard=new Fp(t,this._transformProvider);this._add(`keyboard`,v),e.interactive&&e.keyboard&&t.keyboard.enable()}_add(e,t,n){this._handlers.push({handlerName:e,handler:t,allowed:n}),this._handlersById[e]=t}stop(e){if(!this._updatingCamera){for(let{handler:e}of this._handlers)e.reset();this._inertia.clear(),this._fireEvents({},{},e),this._changes=[]}}isActive(){for(let{handler:e}of this._handlers)if(e.isActive())return!0;return!1}isZooming(){return!!this._eventsInProgress.zoom||this._map.scrollZoom.isZooming()}isRotating(){return!!this._eventsInProgress.rotate}isMoving(){return!!qp(this._eventsInProgress)||this.isZooming()}_blockedByActive(e,t,n){for(let r in e)if(r!==n&&!t?.includes(r))return!0;return!1}_getMapTouches(e){let t=[];for(let n of e){let e=n.target;this._el.contains(e)&&t.push(n)}return t}mergeHandlerResult(e,t,n,r,i){if(!n)return;z(e,n);let a={handlerName:r,originalEvent:n.originalEvent||i};n.zoomDelta!==void 0&&(t.zoom=a),n.panDelta!==void 0&&(t.drag=a),n.rollDelta!==void 0&&(t.roll=a),n.pitchDelta!==void 0&&(t.pitch=a),n.bearingDelta!==void 0&&(t.rotate=a)}_applyChanges(){let e={},t={},n={};for(let[r,i,a]of this._changes)r.panDelta&&(e.panDelta=(e.panDelta||new l(0,0))._add(r.panDelta)),r.zoomDelta&&(e.zoomDelta=(e.zoomDelta||0)+r.zoomDelta),r.bearingDelta&&(e.bearingDelta=(e.bearingDelta||0)+r.bearingDelta),r.pitchDelta&&(e.pitchDelta=(e.pitchDelta||0)+r.pitchDelta),r.rollDelta&&(e.rollDelta=(e.rollDelta||0)+r.rollDelta),r.around!==void 0&&(e.around=r.around),r.pinchAround!==void 0&&(e.pinchAround=r.pinchAround),r.noInertia&&(e.noInertia=r.noInertia),z(t,i),z(n,a);this._updateMapTransform(e,t,n),this._changes=[]}_updateMapTransform(e,t,n){let r=this._map,i=this._camera.getTransformForUpdate(),a=r.terrain;if(!Yp(e)&&!(a&&this._terrainMovement)){this._fireEvents(t,n,!0);return}this._camera.stop(!0);let{panDelta:o,zoomDelta:s,bearingDelta:c,pitchDelta:l,rollDelta:u}=e,{around:d,aroundOnSurface:f}=this._resolveAround(e,a,i),p=a?this._terrainGestureElevation(a,d,f,i,t):void 0,m={panDelta:o,zoomDelta:s,rollDelta:u,pitchDelta:l,bearingDelta:c,around:d,aroundElevation:p};this._camera.cameraHelper.useGlobeControls&&!i.isPointOnMapSurface(d)&&(d=i.centerPoint);let h=this._computePreZoomAroundLoc(i,d,o,p);this._handleMapControls({terrain:a,tr:i,deltasForHelper:m,preZoomAroundLoc:h,combinedEventsInProgress:t,panDelta:o}),this._camera.applyUpdatedTransform(i),this._map._update(),e.noInertia||this._inertia.record(e),this._fireEvents(t,n,!0)}_resolveAround(e,t,n){let r=e.pinchAround===void 0?e.around:e.pinchAround;return r||=this._camera.transform.centerPoint,t&&!n.isPointOnMapSurface(r)?{around:n.centerPoint,aroundOnSurface:!1}:{around:r,aroundOnSurface:!0}}_terrainGestureElevation(e,t,n,r,i){if(!n)return;if(!this._terrainMovement&&(i.drag||i.zoom)){let n=r.screenTerrainPointToMercatorCoordinate(t,e);this._terrainGestureAnchorElevation=n?n.z:null}if(this._terrainGestureAnchorElevation===null)return;let a=this._terrainGestureAnchorElevation;if(!(t.distSqr(r.centerPoint)<.01)&&!(a-r.elevation>=.9*(r.getCameraAltitude()-r.elevation)))return a}_computePreZoomAroundLoc(e,t,n,r){if(t.distSqr(e.centerPoint)<.01)return e.center;let i=n?t.sub(n):t;return r===void 0?e.screenPointToLocation(i):e.screenPointToLocationAtElevation(i,r)}_handleMapControls({terrain:e,tr:t,deltasForHelper:n,preZoomAroundLoc:r,combinedEventsInProgress:i,panDelta:a}){let o=this._camera.cameraHelper;if(o.handleMapControlsRollPitchBearingZoom(n,t),!e){o.handleMapControlsPan(n,t,r);return}if(o.useGlobeControls){!this._terrainMovement&&(i.drag||i.zoom)&&(this._terrainMovement=!0,this._camera.elevationFreeze=!0),o.handleMapControlsPan(n,t,r);return}if(!this._terrainMovement&&(i.drag||i.zoom)){this._terrainMovement=!0,this._camera.elevationFreeze=!0,o.handleMapControlsPan(n,t,r);return}if(n.aroundElevation===void 0&&i.drag&&this._terrainMovement&&a){t.setCenter(t.screenPointToLocation(t.centerPoint.sub(a)));return}o.handleMapControlsPan(n,t,r)}_fireEvents(e,t,n){let r=qp(this._eventsInProgress),i=qp(e),a={};for(let t in e){let{originalEvent:n}=e[t];this._eventsInProgress[t]||(a[`${t}start`]=n),this._eventsInProgress[t]=e[t]}!r&&i&&this._fireEvent(`movestart`,i.originalEvent);for(let e in a)this._fireEvent(e,a[e]);i&&this._fireEvent(`move`,i.originalEvent);for(let t in e){let{originalEvent:n}=e[t];this._fireEvent(t,n)}let o={},s;for(let e in this._eventsInProgress){let{handlerName:n,originalEvent:r}=this._eventsInProgress[e];this._handlersById[n].isActive()||(delete this._eventsInProgress[e],s=t[n]||r,o[`${e}end`]=s)}for(let e in o)this._fireEvent(e,o[e]);let c=qp(this._eventsInProgress),l=(r||i)&&!c;if(l&&this._terrainMovement){this._camera.elevationFreeze=!1,this._terrainMovement=!1,this._terrainGestureAnchorElevation=null;let e=this._camera.getTransformForUpdate();this._map.getCenterClampedToGround()&&e.recalculateZoomAndCenter(this._map.terrain),this._camera.applyUpdatedTransform(e)}if(n&&l){this._updatingCamera=!0;let e=this._inertia._onMoveEnd(this._map.dragPan._inertiaOptions),t=e=>e!==0&&-this._bearingSnap{delete this._frameId,this.handleEvent(new Jp(`renderFrame`,{timeStamp:e})),this._applyChanges()})}_triggerRenderFrame(){this._frameId===void 0&&(this._frameId=this._requestFrame())}},Zp=class extends h{constructor(e){super(),this._renderFrameCallback=()=>{let e=Math.min((U()-this._easeStart)/this._easeOptions.duration,1);this._onEaseFrame(this._easeOptions.easing(e)),e<1&&this._easeFrameId?this._easeFrameId=this._requestRenderFrame(this._renderFrameCallback):this.stop()},this.transform=new yc,this.cameraHelper=new Tc,e.minZoom!==void 0&&this.transform.setMinZoom(e.minZoom),e.maxZoom!==void 0&&this.transform.setMaxZoom(e.maxZoom),e.minPitch!==void 0&&this.transform.setMinPitch(e.minPitch),e.maxPitch!==void 0&&this.transform.setMaxPitch(e.maxPitch),e.renderWorldCopies!==void 0&&this.transform.setRenderWorldCopies(e.renderWorldCopies),e.transformConstrain!==null&&this.transform.setConstrainOverride(e.transformConstrain),this._moving=!1,this._zooming=!1,this._bearingSnap=e.bearingSnap,this._zoomSnap=e.zoomSnap,this._requestRenderFrame=e.requestRenderFrame,this._cancelRenderFrame=e.cancelRenderFrame,this.terrain=e.terrain,this._centerClampedToGround=e.centerClampedToGround??!0,this.transformCameraUpdate=e.transformCameraUpdate??null,this._stopHandlers=e.stopHandlers??(()=>{}),this.on(`moveend`,()=>{delete this._requestedCameraState})}migrateProjection(e,t){e.apply(this.transform,!0),this.transform=e,this.cameraHelper=t}getCenter(){return new V(this.transform.center.lng,this.transform.center.lat)}setCenter(e,t){return this.jumpTo({center:e},t)}getCenterElevation(){return this.transform.elevation}setCenterElevation(e,t){return this.jumpTo({elevation:e},t),this}getCenterClampedToGround(){return this._centerClampedToGround}setCenterClampedToGround(e){this._centerClampedToGround=e}panBy(e,t,n){return e=l.convert(e).mult(-1),this.panTo(this.transform.center,z({offset:e},t),n)}panTo(e,t,n){return this.easeTo(z({center:e},t),n)}getZoom(){return this.transform.zoom}setZoom(e,t){return this.jumpTo({zoom:e},t),this}zoomTo(e,t,n){return this.easeTo(z({zoom:e},t),n)}zoomIn(e,t){return this.zoomTo(un(this.getZoom()+1,this._zoomSnap),e,t),this}zoomOut(e,t){return this.zoomTo(un(this.getZoom()-1,this._zoomSnap),e,t),this}getVerticalFieldOfView(){return this.transform.fov}setVerticalFieldOfView(e,t){return e!=this.transform.fov&&(this.transform.setFov(e),this.fire(new G(`movestart`,t)).fire(new G(`move`,t)).fire(new G(`moveend`,t))),this}getBearing(){return this.transform.bearing}setZoomSnap(e){return this._zoomSnap=e,this}getZoomSnap(){return this._zoomSnap}setBearing(e,t){return this.jumpTo({bearing:e},t),this}getPadding(){return this.transform.padding}setPadding(e,t){return this.jumpTo({padding:e},t),this}rotateTo(e,t,n){return this.easeTo(z({bearing:e},t),n)}resetNorth(e,t){return this.rotateTo(0,z({duration:1e3},e),t),this}resetNorthPitch(e,t){return this.easeTo(z({bearing:0,pitch:0,roll:0,duration:1e3},e),t),this}snapToNorth(e,t){return Math.abs(this.getBearing()){g.easeFunc(t),this.terrain&&!e.freezeElevation&&this._updateElevation(t),this.applyUpdatedTransform(r),this._fireMoveEvents(n)},t=>{this.terrain&&e.freezeElevation&&this._finalizeElevation(),this._afterEase(n,t)},e),this}_prepareEase(e,t,n={}){this._moving=!0,!t&&!n.moving&&this.fire(new G(`movestart`,e)),this._zooming&&!n.zooming&&this.fire(new G(`zoomstart`,e)),this._rotating&&!n.rotating&&this.fire(new G(`rotatestart`,e)),this._pitching&&!n.pitching&&this.fire(new G(`pitchstart`,e)),this._rolling&&!n.rolling&&this.fire(new G(`rollstart`,e))}_prepareElevation(e){this._elevationCenter=e,this._elevationStart=this.transform.elevation,this._elevationTarget=this.terrain.getElevationForLngLat(e,this.transform),this.elevationFreeze=!0}_updateElevation(e){(this._elevationStart===void 0||this._elevationCenter===void 0)&&this._prepareElevation(this.transform.center),this.transform.setMinElevationForCurrentTile(this.terrain.getMinTileElevationForLngLatZoom(this._elevationCenter,this.transform.tileZoom));let t=this.terrain.getElevationForLngLat(this._elevationCenter,this.transform);if(e<1&&t!==this._elevationTarget){let n=this._elevationTarget-this._elevationStart,r=(t-(n*e+this._elevationStart))/(1-e);this._elevationStart+=e*(n-r),this._elevationTarget=t}this.transform.setElevation(on.number(this._elevationStart,this._elevationTarget,e))}_finalizeElevation(){this.elevationFreeze=!1,this.getCenterClampedToGround()&&this.transform.recalculateZoomAndCenter(this.terrain)}getTransformForUpdate(){return!this.transformCameraUpdate&&!this.terrain?this.transform:(this._requestedCameraState||=this.transform.clone(),this._requestedCameraState)}_elevateCameraIfInsideTerrain(e){if(!this.terrain&&e.elevation>=0&&e.pitch<=90)return{};let t=e.getCameraLngLat(),n=e.getCameraAltitude(),r=this.terrain?this.terrain.getElevationForLngLatZoom(t,e.zoom):0;if(nthis._elevateCameraIfInsideTerrain(e)),this.transformCameraUpdate&&t.push(e=>this.transformCameraUpdate(e)),!t.length)return;let n=e.clone();for(let e of t){let t=n.clone(),{center:r,zoom:i,roll:a,pitch:o,bearing:s,elevation:c}=e(t);r&&t.setCenter(r),c!==void 0&&t.setElevation(c),i!==void 0&&t.setZoom(i),a!==void 0&&t.setRoll(a),o!==void 0&&t.setPitch(o),s!==void 0&&t.setBearing(s),n.apply(t,!1)}this.transform.apply(n,!1)}_fireMoveEvents(e){this.fire(new G(`move`,e)),this._zooming&&this.fire(new G(`zoom`,e)),this._rotating&&this.fire(new G(`rotate`,e)),this._pitching&&this.fire(new G(`pitch`,e)),this._rolling&&this.fire(new G(`roll`,e))}_afterEase(e,t){if(this._easeId&&t&&this._easeId===t)return;delete this._easeId;let n=this._zooming,r=this._rotating,i=this._pitching,a=this._rolling;this._moving=!1,this._zooming=!1,this._rotating=!1,this._pitching=!1,this._rolling=!1,this._padding=!1,n&&this.fire(new G(`zoomend`,e)),r&&this.fire(new G(`rotateend`,e)),i&&this.fire(new G(`pitchend`,e)),a&&this.fire(new G(`rollend`,e)),this.fire(new G(`moveend`,e))}flyTo(e,n){if(!e.essential&&Rr.prefersReducedMotion){let t=hr(e,[`center`,`zoom`,`bearing`,`pitch`,`roll`,`elevation`,`padding`]);return this.jumpTo(t,n)}this.stop(),e=z({offset:[0,0],speed:1.2,curve:1.42,easing:t},e),`zoom`in e&&this._zoomSnap&&(e.zoom=un(e.zoom,this._zoomSnap));let r=this.getTransformForUpdate(),i=r.bearing,a=r.pitch,o=r.roll,s=r.padding,c=`bearing`in e?this._normalizeBearing(e.bearing,i):i,u=`pitch`in e?+e.pitch:a,d=`roll`in e?this._normalizeBearing(e.roll,o):o,f=`padding`in e?e.padding:r.padding,p=l.convert(e.offset),m=r.centerPoint.add(p),h=r.screenPointToLocation(m),g=this.cameraHelper.handleFlyTo(r,{bearing:c,pitch:u,roll:d,padding:f,locationAtOffset:h,offsetAsPoint:p,center:e.center,minZoom:e.minZoom,zoom:e.zoom}),_=e.curve,v=Math.max(r.width,r.height),y=v/g.scaleOfZoom,b=g.pixelPathLength,x=v/g.scaleOfMinZoom;_=Math.min(_,Math.sqrt(x/b*2));let S=_*_;function C(e){let t=(y*y-v*v+(e?-1:1)*S*S*b*b)/(2*(e?y:v)*S*b);return Math.log(Math.sqrt(t*t+1)-t)}function w(e){return(Math.exp(e)-Math.exp(-e))/2}function T(e){return(Math.exp(e)+Math.exp(-e))/2}function E(e){return w(e)/T(e)}let D=C(!1),ee=function(e){return T(D)/T(D+_*e)},O=function(e){return v*((T(D)*E(D+_*e)-w(D))/S)/b},k=(C(!0)-D)/_;if(Math.abs(b)<2e-6||!isFinite(k)){if(Math.abs(v-y)<1e-6)return this.easeTo(e,n);let t=y0,ee=e=>Math.exp(t*_*e)}if(`duration`in e)e.duration=+e.duration;else{let t=`screenSpeed`in e?+e.screenSpeed/_:+e.speed;e.duration=1e3*k/t}return e.maxDuration&&e.duration>e.maxDuration&&(e.duration=0),this._zooming=!0,this._rotating=i!==c,this._pitching=u!==a,this._rolling=d!==o,this._padding=!r.isPaddingEqual(f),this._prepareEase(n,!1),this.terrain&&this._prepareElevation(g.targetCenter),this._ease(t=>{let l=t*k,h=1/ee(l),_=O(l);this._rotating&&r.setBearing(on.number(i,c,t)),this._pitching&&r.setPitch(on.number(a,u,t)),this._rolling&&r.setRoll(on.number(o,d,t)),this._padding&&(r.interpolatePadding(s,f,t),m=r.centerPoint.add(p)),g.easeFunc(t,h,_,m),this.terrain&&!e.freezeElevation&&this._updateElevation(t),this.applyUpdatedTransform(r),this._fireMoveEvents(n)},()=>{this.terrain&&e.freezeElevation&&this._finalizeElevation(),this._afterEase(n)},e),this}isEasing(){return!!this._easeFrameId}stop(e){return this._stop(e)}_stop(e,t){if(this._easeFrameId&&(this._cancelRenderFrame(this._easeFrameId),delete this._easeFrameId,delete this._onEaseFrame),this._onEaseEnd){let e=this._onEaseEnd;delete this._onEaseEnd,e.call(this,t)}return e||this._stopHandlers(),this}_ease(e,t,n){n.animate===!1||n.duration===0?(e(1),t()):(this._easeStart=U(),this._easeOptions=n,this._onEaseFrame=e,this._onEaseEnd=t,this._easeFrameId=this._requestRenderFrame(this._renderFrameCallback))}_normalizeBearing(e,t){e=Or(e,-180,180);let n=Math.abs(e-t);return Math.abs(e-360-t)MapLibre`};var $p=class{constructor(e=Qp){this._toggleAttribution=()=>{this._container.classList.contains(`maplibregl-compact`)&&(this._container.classList.contains(`maplibregl-compact-show`)?(this._container.setAttribute(`open`,``),this._container.classList.remove(`maplibregl-compact-show`)):(this._container.classList.add(`maplibregl-compact-show`),this._container.removeAttribute(`open`)))},this._updateData=e=>{e&&(e.type===`terrain`||e.dataType===`style`||e.dataType===`source`&&(e.sourceDataType===`metadata`||e.sourceDataType===`visibility`))&&this._updateAttributions()},this._updateCompact=()=>{this._map.getCanvasContainer().offsetWidth<=640||this._compact?this._compact===!1?this._container.setAttribute(`open`,``):!this._container.classList.contains(`maplibregl-compact`)&&!this._container.classList.contains(`maplibregl-attrib-empty`)&&(this._container.setAttribute(`open`,``),this._container.classList.add(`maplibregl-compact`,`maplibregl-compact-show`)):(this._container.setAttribute(`open`,``),this._container.classList.contains(`maplibregl-compact`)&&this._container.classList.remove(`maplibregl-compact`,`maplibregl-compact-show`))},this._updateCompactMinimize=()=>{this._container.classList.contains(`maplibregl-compact`)&&this._container.classList.contains(`maplibregl-compact-show`)&&this._container.classList.remove(`maplibregl-compact-show`)},this.options=e}getDefaultPosition(){return`bottom-right`}onAdd(e){return this._map=e,this._compact=this.options.compact,this._container=W.create(`details`,`maplibregl-ctrl maplibregl-ctrl-attrib`),this._compactButton=W.create(`summary`,`maplibregl-ctrl-attrib-button`,this._container),this._compactButton.addEventListener(`click`,this._toggleAttribution),this._setElementTitle(this._compactButton,`ToggleAttribution`),this._innerContainer=W.create(`div`,`maplibregl-ctrl-attrib-inner`,this._container),this._updateAttributions(),this._updateCompact(),this._map.on(`styledata`,this._updateData),this._map.on(`sourcedata`,this._updateData),this._map.on(`terrain`,this._updateData),this._map.on(`resize`,this._updateCompact),this._map.on(`drag`,this._updateCompactMinimize),this._container}onRemove(){this._container.remove(),this._map.off(`styledata`,this._updateData),this._map.off(`sourcedata`,this._updateData),this._map.off(`terrain`,this._updateData),this._map.off(`resize`,this._updateCompact),this._map.off(`drag`,this._updateCompactMinimize),this._map=void 0,this._compact=void 0,this._attribHTML=void 0}_setElementTitle(e,t){let n=this._map._getUIString(`AttributionControl.${t}`);e.title=n,e.setAttribute(`aria-label`,n)}_updateAttributions(){if(!this._map.style)return;let e=[];if(this.options.customAttribution&&(Array.isArray(this.options.customAttribution)?e=e.concat(this.options.customAttribution.map(e=>typeof e==`string`?e:``)):typeof this.options.customAttribution==`string`&&e.push(this.options.customAttribution)),this._map.style.stylesheet){let e=this._map.style.stylesheet;this.styleOwner=e.owner,this.styleId=e.id}let t=this._map.style.tileManagers;for(let n in t){let r=t[n];if(r.used||r.usedForTerrain){let t=r.getSource();t.attribution&&!e.includes(t.attribution)&&e.push(t.attribution)}}e=e.filter(e=>String(e).trim()),e.sort((e,t)=>e.length-t.length),e=e.filter((t,n)=>{for(let r=n+1;r{let e=this._container.children;if(e.length){let t=e[0];this._map.getCanvasContainer().offsetWidth<=640||this._compact?this._compact!==!1&&t.classList.add(`maplibregl-compact`):t.classList.remove(`maplibregl-compact`)}},this.options=e}getDefaultPosition(){return`bottom-left`}onAdd(e){this._map=e,this._compact=this.options?.compact,this._container=W.create(`div`,`maplibregl-ctrl`);let t=W.create(`a`,`maplibregl-ctrl-logo`);return t.target=`_blank`,t.rel=`noopener nofollow`,t.href=`https://maplibre.org/`,t.setAttribute(`aria-label`,this._map._getUIString(`LogoControl.Title`)),t.setAttribute(`rel`,`noopener nofollow`),this._container.appendChild(t),this._container.style.display=`block`,this._map.on(`resize`,this._updateCompact),this._updateCompact(),this._container}onRemove(){this._container.remove(),this._map.off(`resize`,this._updateCompact),this._map=void 0,this._compact=void 0}},tm=class{constructor(){this._queue=[],this._id=0,this._cleared=!1,this._currentlyRunning=!1}add(e){let t=++this._id;return this._queue.push({callback:e,id:t,cancelled:!1}),t}remove(e){let t=this._currentlyRunning,n=t?this._queue.concat(t):this._queue;for(let t of n)if(t.id===e){t.cancelled=!0;return}}run(e=0){if(this._currentlyRunning)throw Error(`Attempting to run(), but is already running.`);let t=this._currentlyRunning=this._queue;this._queue=[];for(let n of t)if(!n.cancelled&&(n.callback(e),this._cleared))break;this._cleared=!1,this._currentlyRunning=!1}clear(){this._currentlyRunning&&(this._cleared=!0),this._queue=[]}};const nm={background:!0,fill:!0,line:!0,raster:!0,hillshade:!0,"color-relief":!0};var rm=class{constructor(e,t){this.painter=e,this.terrain=t,this.rttSize=t.tileManager.tileSize*t.qualityFactor}getTexture(e){return e.getRTT(this._stacks.length-1).texture}prepareForRender(e,t){this._stacks=[],this._prevType=null,this._rttTiles=[],this._renderableTiles=this.terrain.tileManager.getRenderableTiles(),this._renderableLayerIds=e._order.filter(n=>!e._layers[n].isHidden(t));let n=new Set;for(let t of this._renderableLayerIds){let r=e._layers[t],i=r.source;i&&nm[r.type]&&n.add(i)}this._coordsAscending={},this._rttFingerprints={};for(let t of n){let n=e.tileManagers[t];if(!n)continue;this._coordsAscending[t]={};let r=this._coordsAscending[t],i=n.getSource(),a=i instanceof Ja?i.terrainTileRanges:null;for(let e of n.getVisibleCoordinates()){let t=this.terrain.tileManager.getTerrainCoords(e,a);for(let e in t)r[e]||=[],r[e].push(t[e])}this._rttFingerprints[t]={};let o=this._rttFingerprints[t],s=n.getState().revision;for(let e in r)o[e]=`${r[e].map(e=>e.key).sort().join()}#${s}`}for(let e of this._renderableTiles)for(let t in this._rttFingerprints){let n=this._rttFingerprints[t][e.tileID.key];n&&n!==e.rttFingerprint[t]&&e.releaseRTT(this.painter)}}renderLayer(e,t){if(e.isHidden(this.painter.transform.zoom))return!1;let n={...t,isRenderingToTexture:!0},r=e.type,i=this.painter,a=this._renderableLayerIds[this._renderableLayerIds.length-1]===e.id;if(nm[r]&&((!this._prevType||!nm[this._prevType])&&this._stacks.push([]),this._prevType=r,this._stacks[this._stacks.length-1].push(e.id),!a))return!0;if(nm[this._prevType]||nm[r]&&a){this._prevType=r;let e=this._stacks.length-1,t=this._stacks[e]||[];for(let r of this._renderableTiles){if(this._rttTiles.push(r),r.getRTT(e))continue;let a=r.acquireRTT(i,e,this.rttSize);i.bindRTT(a),i.context.clear({color:R.transparent,stencil:0}),i.currentStencilSource=void 0;for(let e of t){let t=i.style._layers[e],a=t.source?this._coordsAscending[t.source][r.tileID.key]:[r.tileID];i.context.viewport.set([0,0,this.rttSize,this.rttSize]),i.renderTileClippingMasks(t,a,!0),i.renderLayer(i,i.style.tileManagers[t.source],t,a,n),t.source&&(r.rttFingerprint[t.source]=this._rttFingerprints[t.source][r.tileID.key])}}return Bf(this.painter,this.terrain,this._rttTiles,n),this._rttTiles=[],nm[r]}return!1}};const im={"AttributionControl.ToggleAttribution":`Toggle attribution`,"AttributionControl.MapFeedback":`Map feedback`,"FullscreenControl.Enter":`Enter fullscreen`,"FullscreenControl.Exit":`Exit fullscreen`,"GeolocateControl.FindMyLocation":`Find my location`,"GeolocateControl.LocationNotAvailable":`Location not available`,"LogoControl.Title":`MapLibre logo`,"Map.Title":`Map`,"Marker.Title":`Map marker`,"NavigationControl.ResetBearing":`Drag to rotate map, click to reset north`,"NavigationControl.ZoomIn":`Zoom in`,"NavigationControl.ZoomOut":`Zoom out`,"Popup.Close":`Close popup`,"ScaleControl.Feet":`ft`,"ScaleControl.Meters":`m`,"ScaleControl.Kilometers":`km`,"ScaleControl.Miles":`mi`,"ScaleControl.NauticalMiles":`nm`,"GlobeControl.Enable":`Enable globe`,"GlobeControl.Disable":`Disable globe`,"TerrainControl.Enable":`Enable terrain`,"TerrainControl.Disable":`Disable terrain`,"CooperativeGesturesHandler.WindowsHelpText":`Use Ctrl + scroll to zoom the map`,"CooperativeGesturesHandler.MacHelpText":`Use ⌘ + scroll to zoom the map`,"CooperativeGesturesHandler.MobileHelpText":`Use two fingers to move the map`},am=Ar,om={hash:!1,interactive:!0,bearingSnap:7,zoomSnap:0,attributionControl:Qp,maplibreLogo:!1,refreshExpiredTiles:!0,canvasContextAttributes:{antialias:!1,preserveDrawingBuffer:!1,powerPreference:`high-performance`,failIfMajorPerformanceCaveat:!1,desynchronized:!1,contextType:void 0},scrollZoom:!0,minZoom:-2,maxZoom:22,minPitch:0,maxPitch:60,boxZoom:!0,dragRotate:!0,dragPan:!0,keyboard:!0,doubleClickZoom:!0,touchZoomRotate:!0,touchPitch:!0,cooperativeGestures:!1,trackResize:!0,center:[0,0],elevation:0,zoom:0,bearing:0,pitch:0,roll:0,renderWorldCopies:!0,maxTileCacheSize:null,maxTileCacheZoomLevels:k.MAX_TILE_CACHE_ZOOM_LEVELS,transformRequest:null,transformCameraUpdate:null,transformConstrain:null,fadeDuration:300,crossSourceCollisions:!0,clickTolerance:3,localIdeographFontFamily:`sans-serif`,pitchWithRotate:!0,rollEnabled:!1,rotateSpeed:.8,pitchSpeed:-.5,reduceMotion:void 0,validateStyle:!0,maxCanvasSize:[4096,4096],cancelPendingTileRequestsWhileZooming:!0,centerClampedToGround:!0,terrainSkirtLength:`auto`,zoomLevelsToOverscale:4,anisotropicFilterPitch:20};var sm=class extends h{get _ownerWindow(){return this._container?.ownerDocument?.defaultView||window}constructor(e){super(),this._idleTriggered=!1,this._crossFadingFactor=1,this._renderTaskQueue=new tm,this._controls=[],this._mapId=Se(),this._missingStyleImageResolver=null,this._lostContextStyle={style:null,images:null},this._contextLost=e=>{if(e.preventDefault(),this._frameRequest&&=(this._frameRequest.abort(),null),this.painter.destroy(),this._lostContextStyle=this._getStyleAndImages(),!this.style){this.fire(new ei(`webglcontextlost`,{originalEvent:e}));return}for(let e of Object.values(this.style._layers))if(e.type===`custom`&&console.warn(`Custom layer with id '${e.id}' cannot be restored after WebGL context loss. You will need to re-add it manually after context restoration.`),e._listeners)for(let[t]of Object.entries(e._listeners))console.warn(`Custom layer with id '${e.id}' had event listeners for event '${t}' which cannot be restored after WebGL context loss. You will need to re-add them manually after context restoration.`);this.style.destroy(),this.style=null,this.fire(new ei(`webglcontextlost`,{originalEvent:e}))},this._contextRestored=e=>{if(this._lostContextStyle.style&&this.setStyle(this._lostContextStyle.style,{diff:!1}),this._lostContextStyle.images&&this.style){this.style.imageManager.images=this._lostContextStyle.images;for(let e in this._lostContextStyle.images){let t=this._lostContextStyle.images[e];t.isWebGLImage&&this.style.imageManager.updateImage(e,t,!1)}}this._lostContextStyle={style:null,images:null};try{this._setupPainter()}catch(e){this.fire(new H(e));return}this.resize(),this._update(),this._resizeInternal(),this.fire(new ei(`webglcontextrestored`,{originalEvent:e}))},this._onMapScroll=e=>{if(e.target===this._container)return this._container.scrollTop=0,this._container.scrollLeft=0,!1},this._onWindowOnline=()=>{this._update()};let t={...om,...e,canvasContextAttributes:{...om.canvasContextAttributes,...e.canvasContextAttributes}};if(t.minZoom!=null&&t.maxZoom!=null&&t.minZoom>t.maxZoom)throw Error(`maxZoom must be greater than or equal to minZoom`);if(t.minPitch!=null&&t.maxPitch!=null&&t.minPitch>t.maxPitch)throw Error(`maxPitch must be greater than or equal to minPitch`);if(t.minPitch!=null&&t.minPitch<0)throw Error(`minPitch must be greater than or equal to 0`);if(t.maxPitch!=null&&t.maxPitch>180)throw Error(`maxPitch must be less than or equal to 180`);this._camera=new Zp({minZoom:t.minZoom,maxZoom:t.maxZoom,minPitch:t.minPitch,maxPitch:t.maxPitch,bearingSnap:t.bearingSnap,zoomSnap:t.zoomSnap,renderWorldCopies:t.renderWorldCopies,centerClampedToGround:t.centerClampedToGround,terrain:this.terrain,transformConstrain:t.transformConstrain,requestRenderFrame:e=>this._requestRenderFrame(e),cancelRenderFrame:e=>this._cancelRenderFrame(e),transformCameraUpdate:t.transformCameraUpdate,stopHandlers:()=>this._handlers?.stop(!1)}),this._camera.setEventedParent(this),this._interactive=t.interactive,this._maxTileCacheSize=t.maxTileCacheSize,this._maxTileCacheZoomLevels=t.maxTileCacheZoomLevels,this._canvasContextAttributes={...t.canvasContextAttributes},this._trackResize=t.trackResize===!0,this._terrainSkirtLength=t.terrainSkirtLength,this._refreshExpiredTiles=t.refreshExpiredTiles===!0,this._fadeDuration=t.fadeDuration,this._crossSourceCollisions=t.crossSourceCollisions===!0,this._collectResourceTiming=t.collectResourceTiming===!0,this._locale={...im,...t.locale},this._clickTolerance=t.clickTolerance,this._overridePixelRatio=t.pixelRatio,this._maxCanvasSize=t.maxCanvasSize,this._zoomLevelsToOverscale=t.zoomLevelsToOverscale,this.cancelPendingTileRequestsWhileZooming=t.cancelPendingTileRequestsWhileZooming===!0,this.setAnisotropicFilterPitch(t.anisotropicFilterPitch),t.reduceMotion!==void 0&&(Rr.prefersReducedMotion=t.reduceMotion),this._requestManager=new Wr(t.transformRequest),this._container=this._resolveContainer(t.container),t.maxBounds&&this.setMaxBounds(t.maxBounds),this._setupContainer();try{this._setupPainter()}catch(e){throw this._cleanupContainer(),e}this._imageQueueHandle=Ur.addThrottleControl(()=>this.isMoving()),this.on(`move`,()=>this._update(!1)),this.on(`moveend`,()=>this._update(!1)),this.on(`zoom`,()=>this._update(!0)),this.on(`terrain`,()=>{this.painter.terrainFacilitator.depthDirty=!0,this._update(!0)}),this.once(`idle`,()=>this._idleTriggered=!0),this._handlers=new Xp(this,this._camera,t),typeof window<`u`&&(this._ownerWindow.addEventListener(`online`,this._onWindowOnline,!1),this._setupResizeObserver());let n=typeof t.hash==`string`&&t.hash||void 0;this._hash=t.hash?new Yf(n).addTo(this):void 0,this._hash?._onHashChange()||(this.jumpTo({center:t.center,elevation:t.elevation,zoom:t.zoom,bearing:t.bearing,pitch:t.pitch,roll:t.roll}),t.bounds&&(this.resize(),this.fitBounds(t.bounds,z({},t.fitBoundsOptions,{duration:0}))));let r=typeof t.style==`string`||t.style?.projection?.type!==`globe`;this.resize(null,r),this._localIdeographFontFamily=t.localIdeographFontFamily,this._validateStyle=t.validateStyle,t.style&&this.setStyle(t.style,{localIdeographFontFamily:t.localIdeographFontFamily}),t.attributionControl&&this.addControl(new $p(typeof t.attributionControl==`boolean`?void 0:t.attributionControl)),t.maplibreLogo&&this.addControl(new em,t.logoPosition),this.on(`style.load`,()=>{if(r||this._resizeTransform(),this._camera.transform.unmodified){let e=hr(this.style.stylesheet,[`center`,`zoom`,`bearing`,`pitch`,`roll`]);this.jumpTo(e)}}),this.on(`data`,e=>{this._update(e.dataType===`style`),this.fire(e.dataType===`style`?new qr(`styledata`,e):new K(`sourcedata`,e))}),this.on(`dataloading`,e=>{this.fire(e.dataType===`style`?new qr(`styledataloading`,e):new K(`sourcedataloading`,e))}),this.on(`dataabort`,e=>{this.fire(new K(`sourcedataabort`,e))})}_getMapId(){return this._mapId}setGlobalStateProperty(e,t){return this.style.setGlobalStateProperty(e,t),this._update(!0)}getGlobalState(){return this.style.getGlobalState()}addControl(e,t){if(t===void 0&&(t=e.getDefaultPosition?e.getDefaultPosition():`top-right`),!e?.onAdd)return this.fire(new H(Error(`Invalid argument to map.addControl(). Argument must be a control with onAdd and onRemove methods.`)));let n=e.onAdd(this);this._controls.push(e);let r=this._controlPositions[t];return t.includes(`bottom`)?r.insertBefore(n,r.firstChild):r.appendChild(n),this}removeControl(e){if(!e?.onRemove)return this.fire(new H(Error(`Invalid argument to map.removeControl(). Argument must be a control with onAdd and onRemove methods.`)));let t=this._controls.indexOf(e);return t>-1&&this._controls.splice(t,1),e.onRemove(this),this}hasControl(e){return this._controls.includes(e)}coveringTiles(e){return So(this._camera.transform,e)}setTransformCameraUpdate(e){this._camera.transformCameraUpdate=e}getCenter(){return new V(this._camera.transform.center.lng,this._camera.transform.center.lat)}setCenter(e,t){return this._camera.setCenter(e,t),this}getCenterElevation(){return this._camera.transform.elevation}setCenterElevation(e,t){return this._camera.setCenterElevation(e,t),this}setCenterClampedToGround(e){this._camera.setCenterClampedToGround(e)}panBy(e,t,n){return this._camera.panBy(e,t,n),this}panTo(e,t,n){return this._camera.panTo(e,t,n),this}getZoom(){return this._camera.transform.zoom}setZoom(e,t){return this._camera.setZoom(e,t),this}zoomTo(e,t,n){return this._camera.zoomTo(e,t,n),this}zoomIn(e,t){return this._camera.zoomIn(e,t),this}zoomOut(e,t){return this._camera.zoomOut(e,t),this}getVerticalFieldOfView(){return this._camera.transform.fov}setVerticalFieldOfView(e,t){return this._camera.setVerticalFieldOfView(e,t),this}getBearing(){return this._camera.transform.bearing}setBearing(e,t){return this._camera.setBearing(e,t),this}getZoomSnap(){return this._camera.getZoomSnap()}setZoomSnap(e){return this._camera.setZoomSnap(e),this}getPadding(){return this._camera.transform.padding}setPadding(e,t){return this._camera.setPadding(e,t),this}rotateTo(e,t,n){return this._camera.rotateTo(e,t,n),this}resetNorth(e,t){return this._camera.resetNorth(e,t),this}resetNorthPitch(e,t){return this._camera.resetNorthPitch(e,t),this}snapToNorth(e,t){return this._camera.snapToNorth(e,t),this}getPitch(){return this._camera.transform.pitch}setPitch(e,t){return this._camera.setPitch(e,t),this}getRoll(){return this._camera.transform.roll}setRoll(e,t){return this._camera.setRoll(e,t),this}cameraForBounds(e,t){return this._camera.cameraForBounds(e,t)}fitBounds(e,t,n){return this._camera.fitBounds(e,t,n),this}fitScreenCoordinates(e,t,n,r,i){return this._camera.fitScreenCoordinates(e,t,n,r,i),this}jumpTo(e,t){return this._camera.jumpTo(e,t),this}calculateCameraOptionsFromCameraLngLatAltRotation(e,t,n,r,i){return this._camera.calculateCameraOptionsFromCameraLngLatAltRotation(e,t,n,r,i)}easeTo(e,t){return this._camera.easeTo(e,t),this}flyTo(e,t){return this._camera.flyTo(e,t),this}stop(){return this._camera.stop(),this}queryTerrainElevation(e){return this.terrain?this.terrain.getElevationForLngLat(V.convert(e),this._camera.transform):null}getCenterClampedToGround(){return this._camera.getCenterClampedToGround()}calculateCameraOptionsFromTo(e,t,n,r){return r==null&&this.terrain&&(r=this.terrain.getElevationForLngLat(n,this._camera.transform)),this._camera.calculateCameraOptionsFromTo(e,t,n,r)}resize(e,t=!0){if(this._lostContextStyle.style!==null)return this;this._resizeInternal(t);let n=!this._camera._moving;return n&&(this.stop(),this.fire(new G(`movestart`,e)).fire(new G(`move`,e))),this.fire(new Gr(`resize`,e)),n&&this.fire(new G(`moveend`,e)),this}_resizeInternal(e=!0){let[t,n]=this._containerDimensions(),r=this._getClampedPixelRatio(t,n);if(this._resizeCanvas(t,n,r),this.painter.resize(t,n,r),this.painter.overLimit()){let e=this.painter.context.gl;this._maxCanvasSize=[e.drawingBufferWidth,e.drawingBufferHeight];let r=this._getClampedPixelRatio(t,n);this._resizeCanvas(t,n,r),this.painter.resize(t,n,r)}this._resizeTransform(e)}_resizeTransform(e=!0){let[t,n]=this._containerDimensions();this._camera.transform.resize(t,n,e),this._camera._requestedCameraState?.resize(t,n,e)}_getClampedPixelRatio(e,t){let{0:n,1:r}=this._maxCanvasSize,i=this.getPixelRatio(),a=e*i,o=t*i,s=a>n?n/a:1,c=o>r?r/o:1;return Math.min(s,c)*i}getPixelRatio(){return this._overridePixelRatio??devicePixelRatio}setPixelRatio(e){this._overridePixelRatio=e,this.resize()}getBounds(){return this._camera.transform.getBounds()}getMaxBounds(){return this._camera.transform.getMaxBounds()}setMaxBounds(e){return this._camera.transform.setMaxBounds(_a.convert(e)),this._update()}setMinZoom(e){if(e??=-2,e>=-2&&e<=this._camera.transform.maxZoom){let t=this._camera.transform.zoom,n=this._camera.getTransformForUpdate();return n.setMinZoom(e),this._camera.applyUpdatedTransform(n),this._update(),t!==this._camera.transform.zoom&&this.fire(new G(`zoomstart`)).fire(new G(`zoom`)).fire(new G(`zoomend`)).fire(new G(`movestart`)).fire(new G(`move`)).fire(new G(`moveend`)),this}throw Error(`minZoom must be between -2 and the current maxZoom, inclusive`)}getMinZoom(e=!1){let t=this._camera.transform;return e?t.applyConstrain(t.center,t.minZoom).zoom:t.minZoom}setMaxZoom(e){if(e??=22,e>=this._camera.transform.minZoom){let t=this._camera.transform.zoom,n=this._camera.getTransformForUpdate();return n.setMaxZoom(e),this._camera.applyUpdatedTransform(n),this._update(),t!==this._camera.transform.zoom&&this.fire(new G(`zoomstart`)).fire(new G(`zoom`)).fire(new G(`zoomend`)).fire(new G(`movestart`)).fire(new G(`move`)).fire(new G(`moveend`)),this}throw Error(`maxZoom must be greater than the current minZoom`)}getMaxZoom(){return this._camera.transform.maxZoom}setMinPitch(e){if(e??=0,e<0)throw Error(`minPitch must be greater than or equal to 0`);if(e>=0&&e<=this._camera.transform.maxPitch){let t=this._camera.transform.pitch,n=this._camera.getTransformForUpdate();return n.setMinPitch(e),this._camera.applyUpdatedTransform(n),this._update(),t!==this._camera.transform.pitch&&this.fire(new G(`pitchstart`)).fire(new G(`pitch`)).fire(new G(`pitchend`)).fire(new G(`movestart`)).fire(new G(`move`)).fire(new G(`moveend`)),this}throw Error(`minPitch must be between 0 and the current maxPitch, inclusive`)}getMinPitch(){return this._camera.transform.minPitch}setMaxPitch(e){if(e??=60,e>180)throw Error(`maxPitch must be less than or equal to 180`);if(e>=this._camera.transform.minPitch){let t=this._camera.transform.pitch,n=this._camera.getTransformForUpdate();return n.setMaxPitch(e),this._camera.applyUpdatedTransform(n),this._update(),t!==this._camera.transform.pitch&&this.fire(new G(`pitchstart`)).fire(new G(`pitch`)).fire(new G(`pitchend`)).fire(new G(`movestart`)).fire(new G(`move`)).fire(new G(`moveend`)),this}throw Error(`maxPitch must be greater than the current minPitch`)}getMaxPitch(){return this._camera.transform.maxPitch}getAnisotropicFilterPitch(){return this._anisotropicFilterPitch}setAnisotropicFilterPitch(e){if(e??=20,e>180)throw Error(`anisotropicFilterPitch must be less than or equal to 180`);if(e<0)throw Error(`anisotropicFilterPitch must be greater than or equal to 0`);return this._anisotropicFilterPitch=e,this._update()}getRenderWorldCopies(){return this._camera.transform.renderWorldCopies}setRenderWorldCopies(e){return this._camera.transform.setRenderWorldCopies(e),this._update()}setTransformConstrain(e){return this._camera.transform.setConstrainOverride(e),this._update()}project(e){return this._camera.transform.locationToScreenPoint(V.convert(e),this.style&&this.terrain)}unproject(e){return this._camera.transform.screenPointToLocation(l.convert(e),this.terrain)}isMoving(){return this._camera.isMoving()||this._handlers?.isMoving()||!1}isZooming(){return this._camera.isZooming()||this._handlers?.isZooming()||!1}isRotating(){return this._camera.isRotating()||this._handlers?.isRotating()||!1}_createDelegatedListener(e,t,n){if(e===`mouseenter`||e===`mouseover`){let r=!1;return{layers:t,listener:n,delegates:{mousemove:i=>{let a=t.filter(e=>this.getLayer(e)),o=a.length===0?[]:this.queryRenderedFeatures(i.point,{layers:a});o.length?r||(r=!0,n.call(this,new Jr(e,this,i.originalEvent,{features:o}))):r=!1},mouseout:()=>{r=!1}}}}if(e===`mouseleave`||e===`mouseout`){let r=!1;return{layers:t,listener:n,delegates:{mousemove:i=>{let a=t.filter(e=>this.getLayer(e));(a.length===0?[]:this.queryRenderedFeatures(i.point,{layers:a})).length?r=!0:r&&(r=!1,n.call(this,new Jr(e,this,i.originalEvent)))},mouseout:t=>{r&&(r=!1,n.call(this,new Jr(e,this,t.originalEvent)))}}}}{let r=e=>{let r=t.filter(e=>this.getLayer(e)),i=r.length===0?[]:this.queryRenderedFeatures(e.point,{layers:r});i.length&&(e.features=i,n.call(this,e),delete e.features)};return{layers:t,listener:n,delegates:{[e]:r}}}}_saveDelegatedListener(e,t){this._delegatedListeners||={},this._delegatedListeners[e]||=[],this._delegatedListeners[e].push(t)}_removeDelegatedListener(e,t,n){if(!this._delegatedListeners?.[e])return;let r=this._delegatedListeners[e];for(let e=0;et.includes(e))){for(let e in i.delegates)this.off(e,i.delegates[e]);r.splice(e,1);return}}}on(e,t,n){if(n===void 0)return super.on(e,t);let r=typeof t==`string`?[t]:t,i=this._createDelegatedListener(e,r,n);this._saveDelegatedListener(e,i);for(let e in i.delegates)this.on(e,i.delegates[e]);return{unsubscribe:()=>{this._removeDelegatedListener(e,r,n)}}}once(e,t,n){if(n===void 0)return super.once(e,t);let r=typeof t==`string`?[t]:t,i=this._createDelegatedListener(e,r,n);for(let t in i.delegates){let a=i.delegates[t];i.delegates[t]=(...t)=>{this._removeDelegatedListener(e,r,n),a(...t)}}this._saveDelegatedListener(e,i);for(let e in i.delegates)this.once(e,i.delegates[e]);return this}off(e,t,n){if(n===void 0)return super.off(e,t);let r=typeof t==`string`?[t]:t;return this._removeDelegatedListener(e,r,n),this}queryRenderedFeatures(e,t){if(!this.style)return[];let n,r=e instanceof l||Array.isArray(e),i=r?e:[[0,0],[this._camera.transform.width,this._camera.transform.height]];if(t||=(r?{}:e)||{},i instanceof l||typeof i[0]==`number`)n=[l.convert(i)];else{let e=l.convert(i[0]),t=l.convert(i[1]);n=[e,new l(t.x,e.y),t,new l(e.x,t.y),e]}return this.style.queryRenderedFeatures(n,t,this._camera.transform)}querySourceFeatures(e,t){return this.style.querySourceFeatures(e,t)}setStyle(e,t){return t=z({},{localIdeographFontFamily:this._localIdeographFontFamily,validate:this._validateStyle},t),t.diff!==!1&&t.localIdeographFontFamily===this._localIdeographFontFamily&&this.style&&e?(this._diffStyle(e,t),this):(this._localIdeographFontFamily=t.localIdeographFontFamily,this._updateStyle(e,t))}setTransformRequest(e){return this._requestManager.setTransformRequest(e),this}_getUIString(e){let t=this._locale[e];if(t==null)throw Error(`Missing UI string '${e}'`);return t}_updateStyle(e,t){if(this._diffStyleRequest?.abort(),this._diffStyleRequest=null,t.transformStyle&&this.style&&!this.style._loaded){this.style.once(`style.load`,()=>this._updateStyle(e,t));return}let n=this.style&&t.transformStyle?this.style.serialize():void 0;if(this.style&&(this.style.setEventedParent(null),this.style._remove(!e)),e)this.style=new ml(this,t||{});else return this._frameRequest&&=(this._frameRequest.abort(),null),this.style?.projection?.destroy(),delete this.style,this;return this.style.setEventedParent(this,{style:this.style}),typeof e==`string`?this.style.loadURL(e,t,n):this.style.loadJSON(e,t,n),this}_lazyInitEmptyStyle(){this.style||(this.style=new ml(this,{}),this.style.setEventedParent(this,{style:this.style}),this.style.loadEmpty())}async _diffStyle(e,t){if(this._diffStyleRequest?.abort(),typeof e==`string`){let n=e;this._diffStyleRequest=new AbortController;let r=this._diffStyleRequest;try{let e=await this._requestManager.transformRequest(n,`Style`);if(r.signal.aborted){this._diffStyleRequest=null;return}let i=await b(e,r);this._diffStyleRequest=null,this._updateDiff(i.data,t)}catch(e){this._diffStyleRequest=null,xe(e)||this.fire(new H(qn(e)))}}else typeof e==`object`&&(this._diffStyleRequest=null,this._updateDiff(e,t))}_updateDiff(e,t){try{this.style.setState(e,t)&&this._update(!0)}catch(n){I(`Unable to perform style diff: ${qn(n).message}. Rebuilding the style from scratch.`),this._updateStyle(e,t)}}getStyle(){if(this.style)return this.style.serialize()}_getStyleAndImages(){return this.style?{style:this.style.serialize(),images:this.style.imageManager.cloneImages()}:{style:null,images:{}}}isStyleLoaded(){if(!this.style){I(`There is no style added to the map.`);return}return this.style.loaded()}addSource(e,t){return this._lazyInitEmptyStyle(),this.style.addSource(e,t),this._update(!0)}isSourceLoaded(e){let t=this.style?.tileManagers[e];if(t===void 0){this.fire(new H(Error(`There is no tile manager with ID '${e}'`)));return}return t.loaded()}setTerrain(e,t={}){if(this.style._checkLoaded(),e&&ar(this,Ut.terrain,{value:e},t))return this;if(this._terrainDataCallback&&this.style.off(`data`,this._terrainDataCallback),!e)this.terrain&&this.terrain.destroy(),this.terrain=null,this.painter.renderToTexture=null,this._camera.terrain=null,this._camera.transform.setMinElevationForCurrentTile(0),this.getCenterClampedToGround()&&this._camera.transform.setElevation(0);else{let t=this.style.tileManagers[e.source];if(!t)throw Error(`cannot load terrain, because there exists no source with ID: ${e.source}`);this.terrain===null&&t.reload();for(let t in this.style._layers){let n=this.style._layers[t];n.type===`hillshade`&&n.source===e.source&&I(`You are using the same source for a hillshade layer and for 3D terrain. Please consider using two separate sources to improve rendering quality.`),n.type===`color-relief`&&n.source===e.source&&I(`You are using the same source for a color-relief layer and for 3D terrain. Please consider using two separate sources to improve rendering quality.`)}this.terrain&&this.terrain.destroy(),this.terrain=new mc(this.painter,t,e,this._terrainSkirtLength),this.painter.renderToTexture=new rm(this.painter,this.terrain),this._camera.terrain=this.terrain,this._camera.transform.setMinElevationForCurrentTile(this.terrain.getMinTileElevationForLngLatZoom(this._camera.transform.center,this._camera.transform.tileZoom)),this._camera.transform.setElevation(this.terrain.getElevationForLngLat(this._camera.transform.center,this._camera.transform)),this._terrainDataCallback=t=>this._handleTerrainDataEvent(t,e.source),this.style.on(`data`,this._terrainDataCallback)}return this.style.triggerSymbolPlacement(),this.fire(new Qr({terrain:e})),this}_handleTerrainDataEvent(e,t){if(e.dataType===`style`){this.terrain.tileManager.releaseAllRTT();return}let n=e.sourceId===t;if(n&&(this.terrain.resetElevationCache(),this.style.triggerSymbolPlacement()),n&&e.tile&&!this._camera.elevationFreeze&&(this._camera.transform.setMinElevationForCurrentTile(this.terrain.getMinTileElevationForLngLatZoom(this._camera.transform.center,this._camera.transform.tileZoom)),this.getCenterClampedToGround()&&this._camera.transform.setElevation(this.terrain.getElevationForLngLat(this._camera.transform.center,this._camera.transform))),e.tile){if(e.source?.type===`image`){this.terrain.tileManager.releaseAllRTT();return}this.terrain.tileManager.releaseRTT(e.tile.tileID)}}getTerrain(){return this.terrain?.options??null}areTilesLoaded(){let e=this.style?.tileManagers;for(let t of Object.values(e))if(!t.areTilesLoaded())return!1;return!0}removeSource(e){return this.style.removeSource(e),this._update(!0)}getSource(e){return this.style?.getSource(e)}setSourceTileLodParams(e,t,n){if(n){let r=this.getSource(n);if(!r)throw Error(`There is no source with ID "${n}", cannot set LOD parameters`);r.calculateTileZoom=vo(Math.max(1,e),Math.max(1,t))}else for(let n in this.style.tileManagers)this.style.tileManagers[n].getSource().calculateTileZoom=vo(Math.max(1,e),Math.max(1,t));return this._update(!0),this}refreshTiles(e,t){let n=this.style.tileManagers[e];if(!n)throw Error(`There is no tile manager with ID "${e}", cannot refresh tile`);t===void 0?n.reload(!0):n.refreshTiles(t.map(e=>new rn(e.z,e.x,e.y)))}addImage(e,t,n={}){this._lazyInitEmptyStyle();let r=this._createStyleImage(t,n);return r?(this.style.addImage(e,r),r.userImage?.onAdd&&r.userImage.onAdd(this,e),this):this}setMissingStyleImageResolver(e){return this._missingStyleImageResolver=e,this.style?.setMissingImageResolver(e),this}_createStyleImage(e,t={}){let{pixelRatio:n=1,sdf:r=!1,stretchX:i,stretchY:a,content:o,textFitWidth:s,textFitHeight:c}=t;if(e instanceof HTMLImageElement||zn(e)){let{width:t,height:l,data:u}=Rr.getImageData(e);return{data:new xn({width:t,height:l},u),pixelRatio:n,stretchX:i,stretchY:a,content:o,textFitWidth:s,textFitHeight:c,sdf:r,version:0}}if(e.width===void 0||e.height===void 0)return this.fire(new H(Error("Invalid arguments to map.addImage(). The second argument must be an `HTMLImageElement`, `ImageData`, `ImageBitmap`, or object with `width`, `height`, and `data` properties with the same format as `ImageData`"))),null;{let{width:t,height:l,data:u}=e,d=e,f=ye(d.data);return{data:f?new xn({width:t,height:l}):new xn({width:t,height:l},new Uint8Array(u)),pixelRatio:n,stretchX:i,stretchY:a,content:o,textFitWidth:s,textFitHeight:c,sdf:r,version:0,isWebGLImage:f,userImage:d}}}updateImage(e,t){let n=this.style.getImage(e);if(!n)return this.fire(new H(Error("The map has no image with that id. If you are adding a new image use `map.addImage(...)` instead.")));let{width:r,height:i,data:a}=t instanceof HTMLImageElement||zn(t)?Rr.getImageData(t):t;if(r===void 0||i===void 0)return this.fire(new H(Error("Invalid arguments to map.updateImage(). The second argument must be an `HTMLImageElement`, `ImageData`, `ImageBitmap`, or object with `width`, `height`, and `data` properties with the same format as `ImageData`")));if(r!==n.data.width||i!==n.data.height)return this.fire(new H(Error(`The width and height of the updated image must be that same as the previous version of the image`)));if(n.isWebGLImage=ye(a),n.isWebGLImage)n.userImage=t;else{let e=!(t instanceof HTMLImageElement||zn(t));n.data.replace(a,e)}return this.style.updateImage(e,n),this}getImage(e){return this.style.getImage(e)}hasImage(e){return e?!!this.style.getImage(e):(this.fire(new H(Error(`Missing required image id`))),!1)}removeImage(e){this.style.removeImage(e)}async loadImage(e){return Ur.getImage(await this._requestManager.transformRequest(e,`Image`),new AbortController)}listImages(){return this.style?.listImages()??[]}addLayer(e,t){return this._lazyInitEmptyStyle(),this.style.addLayer(e,t),this._update(!0)}moveLayer(e,t){return this.style.moveLayer(e,t),this._update(!0)}removeLayer(e){return this.style.removeLayer(e),this._update(!0)}getLayer(e){return this.style?.getLayer(e)}getLayersOrder(){return this.style?.getLayersOrder()??[]}setLayerZoomRange(e,t,n){return this.style.setLayerZoomRange(e,t,n),this._update(!0)}setFilter(e,t,n={}){return this.style?.setFilter(e,t,n),this._update(!0)}getFilter(e){return this.style.getFilter(e)}setPaintProperty(e,t,n,r={}){return this.style?.setPaintProperty(e,t,n,r),this._update(!0)}getPaintProperty(e,t){return this.style.getPaintProperty(e,t)}setLayoutProperty(e,t,n,r={}){return this.style.setLayoutProperty(e,t,n,r),this._update(!0)}getLayoutProperty(e,t){return this.style.getLayoutProperty(e,t)}setGlyphs(e,t={}){return this._lazyInitEmptyStyle(),this.style.setGlyphs(e,t),this._update(!0)}getGlyphs(){return this.style.getGlyphsUrl()}setFontFaces(e){return this._lazyInitEmptyStyle(),this.style.setFontFaces(e),this._update(!0)}getFontFaces(){return this.style.getFontFaces()}addSprite(e,t,n={}){return this._lazyInitEmptyStyle(),this.style.addSprite(e,t,n,e=>{e||this._update(!0)}),this}removeSprite(e){return this._lazyInitEmptyStyle(),this.style.removeSprite(e),this._update(!0)}getSprite(){return this.style.getSprite()}setSprite(e,t={}){return this._lazyInitEmptyStyle(),this.style.setSprite(e,t,e=>{e||this._update(!0)}),this}setLight(e,t={}){return this._lazyInitEmptyStyle(),this.style.setLight(e,t),this._update(!0)}getLight(){return this.style.getLight()}setSky(e,t={}){return this._lazyInitEmptyStyle(),this.style.setSky(e,t),this._update(!0)}getSky(){return this.style.getSky()}setFeatureState(e,t){return this.style.setFeatureState(e,t),this._update()}removeFeatureState(e,t){return this.style.removeFeatureState(e,t),this._update()}getFeatureState(e){return this.style.getFeatureState(e)}getContainer(){return this._container}getCanvasContainer(){return this._canvasContainer}getCanvas(){return this._canvas}_containerDimensions(){let e=0,t=0;return this._container&&(e=this._container.clientWidth||400,t=this._container.clientHeight||300),[e,t]}_setupResizeObserver(){let e=!1,t=Jf(e=>{this._trackResize&&!this._removed&&(this.resize(e),this.redraw())},50),n=this._ownerWindow.ResizeObserver??ResizeObserver;this._resizeObserver=new n(n=>{if(!e){e=!0;return}t(n)}),this._resizeObserver.observe(this._container)}_resolveContainer(e){if(typeof e==`string`){let t=document.getElementById(e);if(!t)throw Error(`Container '${e}' not found.`);return t}if(e instanceof HTMLElement||e&&typeof e==`object`&&e.nodeType===1)return e;throw Error(`Invalid type: 'container' must be a String or HTMLElement.`)}_setupContainer(){let e=this._container;e.classList.add(`maplibregl-map`);let t=this._canvasContainer=W.create(`div`,`maplibregl-canvas-container`,e);this._interactive&&t.classList.add(`maplibregl-interactive`),this._canvas=W.create(`canvas`,`maplibregl-canvas`,t),this._canvas.addEventListener(`webglcontextlost`,this._contextLost,!1),this._canvas.addEventListener(`webglcontextrestored`,this._contextRestored,!1),this._canvas.setAttribute(`tabindex`,this._interactive?`0`:`-1`),this._canvas.setAttribute(`aria-label`,this._getUIString(`Map.Title`)),this._canvas.setAttribute(`role`,`region`);let n=this._containerDimensions(),r=this._getClampedPixelRatio(n[0],n[1]);this._resizeCanvas(n[0],n[1],r);let i=this._controlContainer=W.create(`div`,`maplibregl-control-container`,e),a=this._controlPositions={};for(let e of[`top-left`,`top-right`,`bottom-left`,`bottom-right`])a[e]=W.create(`div`,`maplibregl-ctrl-${e} `,i);this._container.addEventListener(`scroll`,this._onMapScroll,!1)}_cleanupContainer(){this._canvas.removeEventListener(`webglcontextrestored`,this._contextRestored,!1),this._canvas.removeEventListener(`webglcontextlost`,this._contextLost,!1),this._canvasContainer.remove(),this._controlContainer.remove(),this._container.removeEventListener(`scroll`,this._onMapScroll,!1),this._container.classList.remove(`maplibregl-map`)}_resizeCanvas(e,t,n){this._canvas.width=Math.floor(n*e),this._canvas.height=Math.floor(n*t),this._canvas.style.width=`${e}px`,this._canvas.style.height=`${t}px`}_setupPainter(){let e={...this._canvasContextAttributes,alpha:!0,depth:!0,stencil:!0,premultipliedAlpha:!0},t=null;this._canvas.addEventListener(`webglcontextcreationerror`,e=>{t=e},{once:!0});let n=this._canvas.getContext(`webgl2`,e);if(!n)throw new qf(e,t);this.painter=new Kf(n,this._camera.transform)}migrateProjection(e,t){this._camera.migrateProjection(e,t),this.painter.transform=e,this.fire(new $r({newProjection:this.style.projection.name}))}loaded(){return!this._styleDirty&&!this._sourcesDirty&&!!this.style&&this.style.loaded()}_update(e){return this.style?._loaded?(this._styleDirty||=e,this._sourcesDirty=!0,this.triggerRepaint(),this):this}_requestRenderFrame(e){return this._update(),this._renderTaskQueue.add(e)}_cancelRenderFrame(e){this._renderTaskQueue.remove(e)}_render(e){let t=this._idleTriggered?this._fadeDuration:0,n=this.style.projection?.transitionState>0;if(this.painter.context.setDirty(),this.painter.setBaseState(),this._renderTaskQueue.run(e),this._removed)return;let r=!1;if(this.style&&this._styleDirty){this._styleDirty=!1;let e=this._camera.transform.zoom,n=U();this.style.zoomHistory.update(e,n);let i=new Kn(e,{now:n,fadeDuration:t,zoomHistory:this.style.zoomHistory,transition:this.style.getTransition()}),a=i.crossFadingFactor();(a!==1||a!==this._crossFadingFactor)&&(r=!0,this._crossFadingFactor=a),this.style.update(i)}let i=this.style.projection?.transitionState>0!==n;this._camera.transform.setTransitionState(this.style.projection?.transitionState),this.style&&(this._sourcesDirty||i)&&(this._sourcesDirty=!1,this.style._updateSources(this._camera.transform)),this.terrain?(this.terrain.tileManager.update(this._camera.transform,this.terrain)&&this.terrain.resetElevationCache(),this._camera.transform.setMinElevationForCurrentTile(this.terrain.getMinTileElevationForLngLatZoom(this._camera.transform.center,this._camera.transform.tileZoom)),!this._camera.elevationFreeze&&this.getCenterClampedToGround()&&this._camera.transform.setElevation(this.terrain.getElevationForLngLat(this._camera.transform.center,this._camera.transform))):(this._camera.transform.setMinElevationForCurrentTile(0),this.getCenterClampedToGround()&&this._camera.transform.setElevation(0)),this._placementDirty=this.style?._updatePlacement(this._camera.transform,this.showCollisionBoxes,t,this._crossSourceCollisions,i),this.painter.render(this.style,{showTileBoundaries:this.showTileBoundaries,showOverdrawInspector:this._showOverdrawInspector,rotating:this.isRotating(),zooming:this.isZooming(),moving:this.isMoving(),fadeDuration:t,showPadding:this.showPadding,anisotropicFilterPitch:this.getAnisotropicFilterPitch()}),this.fire(new Gr(`render`)),this.loaded()&&!this._loaded&&(this._loaded=!0,this.fire(new Gr(`load`))),this.style&&(this.style.hasTransitions()||r)&&(this._styleDirty=!0),this.style&&!this._placementDirty&&this.style._releaseSymbolFadeTiles();let a=this._sourcesDirty||this._styleDirty||this._placementDirty;return a||this._repaint?this.triggerRepaint():!this.isMoving()&&this.loaded()&&this.fire(new Gr(`idle`)),this._loaded&&!this._fullyLoaded&&!a&&(this._fullyLoaded=!0),this}redraw(){return this.style&&(this._frameRequest&&=(this._frameRequest.abort(),null),this._render(0)),this}remove(){this._hash&&this._hash.remove();for(let e of this._controls)e.onRemove(this);this._controls=[],this._frameRequest&&=(this._frameRequest.abort(),null),this._renderTaskQueue.clear(),this._diffStyleRequest?.abort(),this.painter.destroy(),this._handlers.destroy(),this.setStyle(null),typeof window<`u`&&this._ownerWindow.removeEventListener(`online`,this._onWindowOnline,!1),Ur.removeThrottleControl(this._imageQueueHandle),this._resizeObserver?.disconnect();let e=this.painter.context.gl.getExtension(`WEBGL_lose_context`);e?.loseContext&&e.loseContext(),this._cleanupContainer(),this._removed=!0,this.fire(new Gr(`remove`))}triggerRepaint(){this.style&&!this._frameRequest&&(this._frameRequest=new AbortController,Rr.frame(this._frameRequest,e=>{this._frameRequest=null;try{this._render(e)}catch(e){if(!xe(e))throw e}},()=>{},this._ownerWindow))}get showTileBoundaries(){return!!this._showTileBoundaries}set showTileBoundaries(e){this._showTileBoundaries!==e&&(this._showTileBoundaries=e,this._update())}get showPadding(){return!!this._showPadding}set showPadding(e){this._showPadding!==e&&(this._showPadding=e,this._update())}get showCollisionBoxes(){return!!this._showCollisionBoxes}set showCollisionBoxes(e){this._showCollisionBoxes!==e&&(this._showCollisionBoxes=e,e?this.style._generateCollisionBoxes():this._update())}get showOverdrawInspector(){return!!this._showOverdrawInspector}set showOverdrawInspector(e){this._showOverdrawInspector!==e&&(this._showOverdrawInspector=e,this._update())}get repaint(){return!!this._repaint}set repaint(e){this._repaint!==e&&(this._repaint=e,this.triggerRepaint())}get vertices(){return!!this._vertices}set vertices(e){this._vertices=e,this._update()}get version(){return am}getCameraTargetElevation(){return this._camera.transform.elevation}getProjection(){return this.style.getProjection()}setProjection(e){return this._lazyInitEmptyStyle(),this.style.setProjection(e),this._update(!0)}};const cm={showCompass:!0,showZoom:!0,visualizePitch:!1,visualizeRoll:!0};var lm=class{constructor(e){this._updateZoomButtons=()=>{let e=this._map.getZoom(),t=e===this._map.getMaxZoom(),n=e===this._map.getMinZoom(!0);this._zoomInButton.disabled=t,this._zoomOutButton.disabled=n,this._zoomInButton.setAttribute(`aria-disabled`,t.toString()),this._zoomOutButton.setAttribute(`aria-disabled`,n.toString())},this._rotateCompassArrow=()=>{let e=this._map.getPitch(),t=this._map.getRoll(),n=this._map.getBearing(),r=1/Math.cos(qt(e))**.5;if(this.options.visualizePitch&&this.options.visualizeRoll){this._compassIcon.style.transform=`scale(${r}) rotateZ(${-t}deg) rotateX(${e}deg) rotateZ(${-n}deg)`;return}if(this.options.visualizePitch){this._compassIcon.style.transform=`scale(${r}) rotateX(${e}deg) rotateZ(${-n}deg)`;return}if(this.options.visualizeRoll){this._compassIcon.style.transform=`rotate(${-n-t}deg)`;return}this._compassIcon.style.transform=`rotate(${-n}deg)`},this._setButtonTitle=(e,t)=>{let n=this._map._getUIString(`NavigationControl.${t}`);e.title=n,e.setAttribute(`aria-label`,n)},this.options=z({},cm,e),this._container=W.create(`div`,`maplibregl-ctrl maplibregl-ctrl-group`),this._container.addEventListener(`contextmenu`,e=>e.preventDefault()),this.options.showZoom&&(this._zoomInButton=this._createButton(`maplibregl-ctrl-zoom-in`,e=>this._map.zoomIn({},{originalEvent:e})),W.create(`span`,`maplibregl-ctrl-icon`,this._zoomInButton).setAttribute(`aria-hidden`,`true`),this._zoomOutButton=this._createButton(`maplibregl-ctrl-zoom-out`,e=>this._map.zoomOut({},{originalEvent:e})),W.create(`span`,`maplibregl-ctrl-icon`,this._zoomOutButton).setAttribute(`aria-hidden`,`true`)),this.options.showCompass&&(this._compass=this._createButton(`maplibregl-ctrl-compass`,e=>{this.options.visualizePitch?this._map.resetNorthPitch({},{originalEvent:e}):this._map.resetNorth({},{originalEvent:e})}),this._compassIcon=W.create(`span`,`maplibregl-ctrl-icon`,this._compass),this._compassIcon.setAttribute(`aria-hidden`,`true`))}onAdd(e){return this._map=e,this.options.showZoom&&(this._setButtonTitle(this._zoomInButton,`ZoomIn`),this._setButtonTitle(this._zoomOutButton,`ZoomOut`),this._map.on(`move`,this._updateZoomButtons),this._updateZoomButtons()),this.options.showCompass&&(this._setButtonTitle(this._compass,`ResetBearing`),this.options.visualizePitch&&this._map.on(`pitch`,this._rotateCompassArrow),this.options.visualizeRoll&&this._map.on(`roll`,this._rotateCompassArrow),this._map.on(`rotate`,this._rotateCompassArrow),this._rotateCompassArrow(),this._handler=new um(this._map,this._compass,this.options.visualizePitch)),this._container}onRemove(){this._container.remove(),this.options.showZoom&&this._map.off(`move`,this._updateZoomButtons),this.options.showCompass&&(this.options.visualizePitch&&this._map.off(`pitch`,this._rotateCompassArrow),this.options.visualizeRoll&&this._map.off(`roll`,this._rotateCompassArrow),this._map.off(`rotate`,this._rotateCompassArrow),this._handler.off(),delete this._handler),delete this._map}_createButton(e,t){let n=W.create(`button`,e,this._container);return n.type=`button`,n.addEventListener(`click`,t),n}},um=class{constructor(e,t,n=!1){this.mousedown=e=>{this.startMove(e,W.mousePos(this.element,e)),window.addEventListener(`mousemove`,this.mousemove),window.addEventListener(`mouseup`,this.mouseup)},this.mousemove=e=>{this.move(e,W.mousePos(this.element,e))},this.mouseup=e=>{this._rotatePitchHandler.dragEnd(e),this.offTemp()},this.touchstart=e=>{e.targetTouches.length===1?(this._startPos=this._lastPos=W.touchPos(this.element,e.targetTouches)[0],this.startMove(e,this._startPos),window.addEventListener(`touchmove`,this.touchmove,{passive:!1}),window.addEventListener(`touchend`,this.touchend)):this.reset()},this.touchmove=e=>{e.targetTouches.length===1?(this._lastPos=W.touchPos(this.element,e.targetTouches)[0],this.move(e,this._lastPos)):this.reset()},this.touchend=e=>{e.targetTouches.length===0&&this._startPos&&this._lastPos&&this._startPos.dist(this._lastPos){this._rotatePitchHandler.reset(),delete this._startPos,delete this._lastPos,this.offTemp()},this._clickTolerance=10,this.element=t;let r=new vp;this._rotatePitchHandler=new pp({clickTolerance:3,move:(e,r)=>{let i=t.getBoundingClientRect(),a=new l((i.bottom-i.top)/2,(i.right-i.left)/2);return{bearingDelta:wn(new l(e.x,r.y),r,a),pitchDelta:n?(r.y-e.y)*-.5:void 0}},moveStateManager:r,enable:!0,assignEvents:()=>{}}),this.map=e,t.addEventListener(`mousedown`,this.mousedown),t.addEventListener(`touchstart`,this.touchstart,{passive:!1}),t.addEventListener(`touchcancel`,this.reset)}startMove(e,t){this._rotatePitchHandler.dragStart(e,t),W.disableDrag()}move(e,t){let n=this.map,{bearingDelta:r,pitchDelta:i}=this._rotatePitchHandler.dragMove(e,t)||{};r&&n.setBearing(n.getBearing()+r),i&&n.setPitch(n.getPitch()+i)}off(){let e=this.element;e.removeEventListener(`mousedown`,this.mousedown),e.removeEventListener(`touchstart`,this.touchstart),window.removeEventListener(`touchmove`,this.touchmove),window.removeEventListener(`touchend`,this.touchend),e.removeEventListener(`touchcancel`,this.reset),this.offTemp()}offTemp(){W.enableDrag(),window.removeEventListener(`mousemove`,this.mousemove),window.removeEventListener(`mouseup`,this.mouseup),window.removeEventListener(`touchmove`,this.touchmove),window.removeEventListener(`touchend`,this.touchend)}};let dm;async function fm(e=!1){if(dm!==void 0&&!e)return dm;if(window.navigator.permissions===void 0)return dm=!!window.navigator.geolocation,dm;try{dm=(await window.navigator.permissions.query({name:`geolocation`})).state!==`denied`}catch{dm=!!window.navigator.geolocation}return dm}function pm(e,t,n,r=!1){if(r||!n.getCoveringTilesDetailsProvider().allowWorldCopies())return e?.wrap();let i=new V(e.lng,e.lat);if(e=new V(e.lng,e.lat),t){let r=new V(e.lng-360,e.lat),i=new V(e.lng+360,e.lat),a=n.locationToScreenPoint(e).distSqr(t);n.locationToScreenPoint(r).distSqr(t)180;){let t=n.locationToScreenPoint(e);if(t.x>=0&&t.y>=0&&t.x<=n.width&&t.y<=n.height)break;e.lng>n.center.lng?e.lng-=360:e.lng+=360}return e.lng!==i.lng&&n.isPointOnMapSurface(n.locationToScreenPoint(e))?e:i}const mm={center:`translate(-50%,-50%)`,top:`translate(-50%,0)`,"top-left":`translate(0,0)`,"top-right":`translate(-100%,0)`,bottom:`translate(-50%,-100%)`,"bottom-left":`translate(0,-100%)`,"bottom-right":`translate(-100%,-100%)`,left:`translate(0,-50%)`,right:`translate(-100%,-50%)`};function hm(e,t,n){let r=e.classList;for(let e in mm)r.remove(`maplibregl-${n}-anchor-${e}`);r.add(`maplibregl-${n}-anchor-${t}`)}const gm={ArrowLeft:[-1,0],ArrowRight:[1,0],ArrowUp:[0,-1],ArrowDown:[0,1]};var _m=class extends Xe{},vm=class extends Xe{},ym=class extends h{constructor(e){if(super(),this._onClick=e=>{this.fire(new vm(`click`,{originalEvent:e}))},this._onKeyPress=e=>{(e.code===`Space`||e.code===`Enter`)&&this.togglePopup()},this._onKeyDown=e=>{if(!this._defaultMarker||!this._draggable||!this._map||!this._lngLat||e.composedPath()[0]!==this._element||e.altKey||e.ctrlKey||e.metaKey)return;let t=gm[e.key];if(!t)return;e.preventDefault(),e.stopPropagation();let n=e.shiftKey?10:1,r=this._map.project(this._lngLat);this.setLngLat(this._map.unproject(new l(r.x+t[0]*n,r.y+t[1]*n))),this._keyboardDragActive||(this._keyboardDragActive=!0,this.fire(new _m(`dragstart`))),this.fire(new _m(`drag`))},this._onKeyUp=e=>{gm[e.key]&&this._endKeyboardDrag()},this._onBlur=()=>{this._endKeyboardDrag()},this._onMapClick=e=>{let t=e.originalEvent.target,n=this._element;this._popup&&(t===n||n.contains(t))&&this.togglePopup()},this._update=e=>{if(!this._map)return;let t=this._map.loaded()&&!this._map.isMoving();(e?.type===`terrain`||e?.type===`render`&&!t)&&this._map.once(`render`,this._update),this._lngLat=pm(this._lngLat,this._flatPos,this._map._camera.transform),this._flatPos=this._pos=this._map.project(this._lngLat)._add(this._offset),this._map.terrain&&(this._flatPos=this._map._camera.transform.locationToScreenPoint(this._lngLat)._add(this._offset));let n=``;this._rotationAlignment===`viewport`||this._rotationAlignment===`auto`?n=`rotateZ(${this._rotation}deg)`:this._rotationAlignment===`map`&&(n=`rotateZ(${this._rotation-this._map.getBearing()}deg)`);let r=``;this._pitchAlignment===`viewport`||this._pitchAlignment===`auto`?r=`rotateX(0deg)`:this._pitchAlignment===`map`&&(r=`rotateX(${this._map.getPitch()}deg)`),!this._subpixelPositioning&&(!e||e.type===`moveend`)&&(this._pos=this._pos.round()),this._element.style.transform=`${mm[this._anchor]} translate(${this._pos.x}px, ${this._pos.y}px) ${r} ${n}`,Rr.frameAsync(new AbortController,this._map._ownerWindow).then(()=>{this._updateOpacity(e?.type===`moveend`)}).catch(()=>{})},this._onMove=e=>{if(!this._isDragging){let t=this._clickTolerance||this._map._clickTolerance;this._isDragging=e.point.dist(this._pointerdownPos)>=t}this._isDragging&&(this._pos=e.point.sub(this._positionDelta),this._lngLat=this._map.unproject(this._pos),this.setLngLat(this._lngLat),this._element.style.pointerEvents=`none`,this._state===`pending`&&(this._state=`active`,this.fire(new _m(`dragstart`))),this.fire(new _m(`drag`)))},this._onUp=()=>{this._element.style.pointerEvents=`auto`,this._positionDelta=null,this._pointerdownPos=null,this._isDragging=!1,this._map.off(`mousemove`,this._onMove),this._map.off(`touchmove`,this._onMove),this._state===`active`&&this.fire(new _m(`dragend`)),this._state=`inactive`},this._addDragHandler=e=>{this._element.contains(e.originalEvent.target)&&(e.preventDefault(),this._positionDelta=e.point.sub(this._pos).add(this._offset),this._pointerdownPos=e.point,this._state=`pending`,this._map.on(`mousemove`,this._onMove),this._map.on(`touchmove`,this._onMove),this._map.once(`mouseup`,this._onUp),this._map.once(`touchend`,this._onUp))},this._anchor=e?.anchor||`center`,this._color=e?.color||`#3FB1CE`,this._scale=e?.scale||1,this._draggable=e?.draggable||!1,this._clickTolerance=e?.clickTolerance||0,this._subpixelPositioning=e?.subpixelPositioning||!1,this._isDragging=!1,this._roleManaged=!1,this._tabIndexManaged=!1,this._keyboardDragActive=!1,this._state=`inactive`,this._rotation=e?.rotation||0,this._rotationAlignment=e?.rotationAlignment||`auto`,this._pitchAlignment=e?.pitchAlignment&&e.pitchAlignment!==`auto`?e.pitchAlignment:this._rotationAlignment,this.setOpacity(e?.opacity,e?.opacityWhenCovered),e?.element)this._element=e.element,this._offset=l.convert(e?.offset||[0,0]);else{this._defaultMarker=!0,this._element=W.create(`div`);let t=W.createNS(`http://www.w3.org/2000/svg`,`svg`);t.setAttributeNS(null,`display`,`block`),t.setAttributeNS(null,`height`,`41px`),t.setAttributeNS(null,`width`,`27px`),t.setAttributeNS(null,`viewBox`,`0 0 27 41`);let n=W.createNS(`http://www.w3.org/2000/svg`,`g`);n.setAttributeNS(null,`stroke`,`none`),n.setAttributeNS(null,`stroke-width`,`1`),n.setAttributeNS(null,`fill`,`none`),n.setAttributeNS(null,`fill-rule`,`evenodd`);let r=W.createNS(`http://www.w3.org/2000/svg`,`g`);r.setAttributeNS(null,`fill-rule`,`nonzero`);let i=W.createNS(`http://www.w3.org/2000/svg`,`g`);i.setAttributeNS(null,`transform`,`translate(3.0, 29.0)`),i.setAttributeNS(null,`fill`,`#000000`);for(let e of[{rx:`10.5`,ry:`5.25002273`},{rx:`10.5`,ry:`5.25002273`},{rx:`9.5`,ry:`4.77275007`},{rx:`8.5`,ry:`4.29549936`},{rx:`7.5`,ry:`3.81822308`},{rx:`6.5`,ry:`3.34094679`},{rx:`5.5`,ry:`2.86367051`},{rx:`4.5`,ry:`2.38636864`}]){let 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this._lngLat=V.convert(e),this._pos=null,this._popup&&this._popup.setLngLat(this._lngLat),this._update(),this}getElement(){return this._element}setPopup(e){if(this._popup&&(this._popup.remove(),this._popup=null,this._element.removeEventListener(`keypress`,this._onKeyPress)),e){if(!(`offset`in e.options)){let t=13.5/Math.SQRT2;e.options.offset=this._defaultMarker?{top:[0,0],"top-left":[0,0],"top-right":[0,0],bottom:[0,-38.1],"bottom-left":[t,(24.6+t)*-1],"bottom-right":[-t,(24.6+t)*-1],left:[13.5,-24.6],right:[-13.5,-24.6]}:this._offset}this._popup=e,this._element.addEventListener(`keypress`,this._onKeyPress)}return this._updateTabIndex(),this._updateAccessibilityRole(),this}setSubpixelPositioning(e){return this._subpixelPositioning=e,this}_endKeyboardDrag(){this._keyboardDragActive&&(this._keyboardDragActive=!1,this.fire(new _m(`dragend`)))}getPopup(){return this._popup}togglePopup(){let e=this._popup;if(this._element.style.opacity===this._opacityWhenCovered)return 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this._offset=l.convert(e),this._update(),this}addClassName(e){this._element.classList.add(e)}removeClassName(e){this._element.classList.remove(e)}toggleClassName(e){return this._element.classList.toggle(e)}setDraggable(e){return 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this._draggable}_updateTabIndex(){this._popup||this._defaultMarker&&this._draggable?this._element.hasAttribute(`tabindex`)||(this._element.setAttribute(`tabindex`,`0`),this._tabIndexManaged=!0):this._tabIndexManaged&&=(this._element.getAttribute(`tabindex`)===`0`&&this._element.removeAttribute(`tabindex`),!1)}_updateAccessibilityRole(){if(!this._defaultMarker||this._element.hasAttribute(`role`)&&!this._roleManaged)return;let e=this._draggable||this._popup?`button`:`img`;this._element.setAttribute(`role`,e),this._roleManaged=!0}setRotation(e){return this._rotation=e||0,this._update(),this}getRotation(){return this._rotation}setRotationAlignment(e){return this._rotationAlignment=e||`auto`,this._update(),this}getRotationAlignment(){return this._rotationAlignment}setPitchAlignment(e){return this._pitchAlignment=e&&e!==`auto`?e:this._rotationAlignment,this._update(),this}getPitchAlignment(){return this._pitchAlignment}setOpacity(e,t){return(this._opacity===void 0||e===void 0&&t===void 0)&&(this._opacity=`1`,this._opacityWhenCovered=`0.2`),e!==void 0&&(this._opacity=String(e)),t!==void 0&&(this._opacityWhenCovered=String(t)),this._map&&this._updateOpacity(!0),this}};const bm={positionOptions:{enableHighAccuracy:!1,maximumAge:0,timeout:6e3},fitBoundsOptions:{maxZoom:15},trackUserLocation:!1,showAccuracyCircle:!0,showUserLocation:!0};let xm=0,Sm=!1;var Cm=class extends Xe{},wm=class extends Xe{},Tm=class extends Xe{},Em=class extends h{constructor(e){super(),this._onSuccess=e=>{if(this._map){if(this._isOutOfMapMaxBounds(e)){this._setErrorState(),this.fire(new wm(`outofmaxbounds`,e)),this._updateMarker(),this._finish();return}if(this.options.trackUserLocation)switch(this._lastKnownPosition=e,this._watchState){case`WAITING_ACTIVE`:case`ACTIVE_LOCK`:case`ACTIVE_ERROR`:this._watchState=`ACTIVE_LOCK`,this._geolocateButton.classList.remove(`maplibregl-ctrl-geolocate-waiting`),this._geolocateButton.classList.remove(`maplibregl-ctrl-geolocate-active-error`),this._geolocateButton.classList.add(`maplibregl-ctrl-geolocate-active`);break;case`BACKGROUND`:case`BACKGROUND_ERROR`:this._watchState=`BACKGROUND`,this._geolocateButton.classList.remove(`maplibregl-ctrl-geolocate-waiting`),this._geolocateButton.classList.remove(`maplibregl-ctrl-geolocate-background-error`),this._geolocateButton.classList.add(`maplibregl-ctrl-geolocate-background`);break;default:throw Error(`Unexpected watchState ${this._watchState}`)}this.options.showUserLocation&&this._watchState!==`OFF`&&this._updateMarker(e),(!this.options.trackUserLocation||this._watchState===`ACTIVE_LOCK`)&&this._updateCamera(e),this.options.showUserLocation&&this._dotElement.classList.remove(`maplibregl-user-location-dot-stale`),this.fire(new wm(`geolocate`,e)),this._finish()}},this._updateCamera=e=>{let t=new V(e.coords.longitude,e.coords.latitude),n=e.coords.accuracy,r=this._map.getBearing(),i=z({bearing:r},this.options.fitBoundsOptions),a=_a.fromLngLat(t,n);this._map.fitBounds(a,i,{geolocateSource:!0})},this._updateMarker=e=>{if(e){let t=new V(e.coords.longitude,e.coords.latitude);this._accuracyCircleMarker.setLngLat(t).addTo(this._map),this._userLocationDotMarker.setLngLat(t).addTo(this._map),this._accuracy=e.coords.accuracy,this._updateCircleRadiusIfNeeded()}else this._userLocationDotMarker.remove(),this._accuracyCircleMarker.remove()},this._onUpdate=()=>{this._updateCircleRadiusIfNeeded()},this._onError=e=>{if(this._map){if(e.code===1){this._watchState=`OFF`,this._geolocateButton.classList.remove(`maplibregl-ctrl-geolocate-waiting`),this._geolocateButton.classList.remove(`maplibregl-ctrl-geolocate-active`),this._geolocateButton.classList.remove(`maplibregl-ctrl-geolocate-active-error`),this._geolocateButton.classList.remove(`maplibregl-ctrl-geolocate-background`),this._geolocateButton.classList.remove(`maplibregl-ctrl-geolocate-background-error`),this._geolocateButton.disabled=!0;let e=this._map._getUIString(`GeolocateControl.LocationNotAvailable`);this._geolocateButton.title=e,this._geolocateButton.setAttribute(`aria-label`,e),this._geolocationWatchID!==void 0&&this._clearWatch()}else if(e.code===3&&Sm)return;else this._setErrorState();this._watchState!==`OFF`&&this.options.showUserLocation&&this._dotElement.classList.add(`maplibregl-user-location-dot-stale`),this.fire(new Tm(`error`,e)),this._finish()}},this._finish=()=>{this._timeoutId&&clearTimeout(this._timeoutId),this._timeoutId=void 0},this._onMoveStart=e=>{if(!this._map)return;let t=e?.[0]instanceof ResizeObserverEntry;!e.geolocateSource&&this._watchState===`ACTIVE_LOCK`&&!t&&!this._map.isZooming()&&(this._watchState=`BACKGROUND`,this._geolocateButton.classList.add(`maplibregl-ctrl-geolocate-background`),this._geolocateButton.classList.remove(`maplibregl-ctrl-geolocate-active`),this.fire(new Cm(`trackuserlocationend`)),this.fire(new Cm(`userlocationlostfocus`)))},this._setupUI=()=>{this._map&&(this._container.addEventListener(`contextmenu`,e=>{e.preventDefault()}),this._geolocateButton=W.create(`button`,`maplibregl-ctrl-geolocate`,this._container),W.create(`span`,`maplibregl-ctrl-icon`,this._geolocateButton).setAttribute(`aria-hidden`,`true`),this._geolocateButton.type=`button`,this._geolocateButton.disabled=!0)},this._finishSetupUI=e=>{if(this._map){if(e===!1){I(`Geolocation support is not available so the GeolocateControl will be disabled.`);let e=this._map._getUIString(`GeolocateControl.LocationNotAvailable`);this._geolocateButton.disabled=!0,this._geolocateButton.title=e,this._geolocateButton.setAttribute(`aria-label`,e)}else{let e=this._map._getUIString(`GeolocateControl.FindMyLocation`);this._geolocateButton.disabled=!1,this._geolocateButton.title=e,this._geolocateButton.setAttribute(`aria-label`,e)}this.options.trackUserLocation&&(this._geolocateButton.setAttribute(`aria-pressed`,`false`),this._watchState=`OFF`),this.options.showUserLocation&&(this._dotElement=W.create(`div`,`maplibregl-user-location-dot`),this._userLocationDotMarker=new ym({element:this._dotElement}),this._circleElement=W.create(`div`,`maplibregl-user-location-accuracy-circle`),this._accuracyCircleMarker=new ym({element:this._circleElement,pitchAlignment:`map`}),this.options.trackUserLocation&&(this._watchState=`OFF`),this._map.on(`zoom`,this._onUpdate),this._map.on(`move`,this._onUpdate),this._map.on(`rotate`,this._onUpdate),this._map.on(`pitch`,this._onUpdate)),this._geolocateButton.addEventListener(`click`,()=>this.trigger()),this._setup=!0,this.options.trackUserLocation&&this._map.on(`movestart`,this._onMoveStart)}},this.options=z({},bm,e)}onAdd(e){return this._map=e,this._container=W.create(`div`,`maplibregl-ctrl maplibregl-ctrl-group`),this._setupUI(),fm().then(e=>this._finishSetupUI(e)),this._container}onRemove(){this._geolocationWatchID!==void 0&&(window.navigator.geolocation.clearWatch(this._geolocationWatchID),this._geolocationWatchID=void 0),this.options.showUserLocation&&this._userLocationDotMarker&&this._userLocationDotMarker.remove(),this.options.showAccuracyCircle&&this._accuracyCircleMarker&&this._accuracyCircleMarker.remove(),this._container.remove(),this._map.off(`movestart`,this._onMoveStart),this._map.off(`zoom`,this._onUpdate),this._map.off(`move`,this._onUpdate),this._map.off(`rotate`,this._onUpdate),this._map.off(`pitch`,this._onUpdate),this._map=void 0,xm=0,Sm=!1}_isOutOfMapMaxBounds(e){let t=this._map.getMaxBounds(),n=e.coords;return t&&(n.longitudet.getEast()||n.latitudet.getNorth())}_setErrorState(){switch(this._watchState){case`WAITING_ACTIVE`:this._watchState=`ACTIVE_ERROR`,this._geolocateButton.classList.remove(`maplibregl-ctrl-geolocate-active`),this._geolocateButton.classList.add(`maplibregl-ctrl-geolocate-active-error`);break;case`ACTIVE_LOCK`:this._watchState=`ACTIVE_ERROR`,this._geolocateButton.classList.remove(`maplibregl-ctrl-geolocate-active`),this._geolocateButton.classList.add(`maplibregl-ctrl-geolocate-active-error`),this._geolocateButton.classList.add(`maplibregl-ctrl-geolocate-waiting`);break;case`BACKGROUND`:this._watchState=`BACKGROUND_ERROR`,this._geolocateButton.classList.remove(`maplibregl-ctrl-geolocate-background`),this._geolocateButton.classList.add(`maplibregl-ctrl-geolocate-background-error`),this._geolocateButton.classList.add(`maplibregl-ctrl-geolocate-waiting`);break;case`ACTIVE_ERROR`:case`BACKGROUND_ERROR`:break;case`OFF`:case void 0:break;default:throw Error(`Unexpected watchState ${this._watchState}`)}}_updateCircleRadiusIfNeeded(){let e=this._userLocationDotMarker.getLngLat();if(!this.options.showUserLocation||!this.options.showAccuracyCircle||!this._accuracy||!e)return;let t=this._map.project(e),n=this._map.unproject([t.x+100,t.y]),r=e.distanceTo(n)/100,i=2*this._accuracy/r;this._circleElement.style.width=`${i.toFixed(2)}px`,this._circleElement.style.height=`${i.toFixed(2)}px`}trigger(){if(!this._setup)return I(`Geolocate control triggered before added to a map`),!1;if(this.options.trackUserLocation){switch(this._watchState){case`OFF`:this._watchState=`WAITING_ACTIVE`,this.fire(new Cm(`trackuserlocationstart`));break;case`WAITING_ACTIVE`:case`ACTIVE_LOCK`:case`ACTIVE_ERROR`:case`BACKGROUND_ERROR`:xm--,Sm=!1,this._watchState=`OFF`,this._geolocateButton.classList.remove(`maplibregl-ctrl-geolocate-waiting`),this._geolocateButton.classList.remove(`maplibregl-ctrl-geolocate-active`),this._geolocateButton.classList.remove(`maplibregl-ctrl-geolocate-active-error`),this._geolocateButton.classList.remove(`maplibregl-ctrl-geolocate-background`),this._geolocateButton.classList.remove(`maplibregl-ctrl-geolocate-background-error`),this.fire(new Cm(`trackuserlocationend`));break;case`BACKGROUND`:this._watchState=`ACTIVE_LOCK`,this._geolocateButton.classList.remove(`maplibregl-ctrl-geolocate-background`),this._lastKnownPosition&&this._updateCamera(this._lastKnownPosition),this.fire(new Cm(`trackuserlocationstart`)),this.fire(new Cm(`userlocationfocus`));break;default:throw Error(`Unexpected watchState ${this._watchState}`)}switch(this._watchState){case`WAITING_ACTIVE`:this._geolocateButton.classList.add(`maplibregl-ctrl-geolocate-waiting`),this._geolocateButton.classList.add(`maplibregl-ctrl-geolocate-active`);break;case`ACTIVE_LOCK`:this._geolocateButton.classList.add(`maplibregl-ctrl-geolocate-active`);break;case`OFF`:break;default:throw Error(`Unexpected watchState ${this._watchState}`)}if(this._watchState===`OFF`&&this._geolocationWatchID!==void 0)this._clearWatch();else if(this._geolocationWatchID===void 0){this._geolocateButton.classList.add(`maplibregl-ctrl-geolocate-waiting`),this._geolocateButton.setAttribute(`aria-pressed`,`true`),xm++;let e;xm>1?(e={maximumAge:6e5,timeout:0},Sm=!0):(e=this.options.positionOptions,Sm=!1),this._geolocationWatchID=window.navigator.geolocation.watchPosition(this._onSuccess,this._onError,e)}}else window.navigator.geolocation.getCurrentPosition(this._onSuccess,this._onError,this.options.positionOptions),this._timeoutId=setTimeout(this._finish,1e4);return!0}_clearWatch(){window.navigator.geolocation.clearWatch(this._geolocationWatchID),this._geolocationWatchID=void 0,this._geolocateButton.classList.remove(`maplibregl-ctrl-geolocate-waiting`),this._geolocateButton.setAttribute(`aria-pressed`,`false`),this.options.showUserLocation&&this._updateMarker(null)}};const Dm={maxWidth:100,unit:`metric`};var Om=class{constructor(e){this._onMove=()=>{km(this._map,this._container,this.options)},this.setUnit=e=>{this.options.unit=e,km(this._map,this._container,this.options)},this.options={...Dm,...e}}getDefaultPosition(){return`bottom-left`}onAdd(e){return this._map=e,this._container=W.create(`div`,`maplibregl-ctrl maplibregl-ctrl-scale`,e.getContainer()),this._map.on(`move`,this._onMove),this._onMove(),this._container}onRemove(){this._container.remove(),this._map.off(`move`,this._onMove),this._map=void 0}};function km(e,t,n){let r=n?.maxWidth||100,i=e._container.clientHeight/2,a=e._container.clientWidth/2,o=e.unproject([a-r/2,i]),s=e.unproject([a+r/2,i]),c=Math.round(e.project(s).x-e.project(o).x),l=Math.min(r,c,e._container.clientWidth),u=o.distanceTo(s);if(n?.unit===`imperial`){let n=3.2808*u;n>5280?Am(t,l,n/5280,e._getUIString(`ScaleControl.Miles`)):Am(t,l,n,e._getUIString(`ScaleControl.Feet`))}else n?.unit===`nautical`?Am(t,l,u/1852,e._getUIString(`ScaleControl.NauticalMiles`)):u>=1e3?Am(t,l,u/1e3,e._getUIString(`ScaleControl.Kilometers`)):Am(t,l,u,e._getUIString(`ScaleControl.Meters`))}function Am(e,t,n,r){let i=Mm(n),a=i/n;e.style.width=`${t*a}px`,e.innerHTML=`${i} ${r}`}function jm(e){let t=10**Math.ceil(-Math.log(e)/Math.LN10);return Math.round(e*t)/t}function Mm(e){let t=10**(`${Math.floor(e)}`.length-1),n=e/t;return n=n>=10?10:n>=5?5:n>=3?3:n>=2?2:n>=1?1:jm(n),t*n}var Nm=class extends Xe{},Pm=class extends h{constructor(e={}){super(),this._onFullscreenChange=()=>{let e=window.document.fullscreenElement||window.document.webkitFullscreenElement;for(;e?.shadowRoot?.fullscreenElement;)e=e.shadowRoot.fullscreenElement;e===this._container!==this._fullscreen&&this._handleFullscreenChange()},this._onClickFullscreen=()=>{this._isFullscreen()?this._exitFullscreen():this._requestFullscreen()},this._fullscreen=!1,this._pseudo=e.pseudo??!1,e?.container&&(e.container instanceof HTMLElement?this._container=e.container:I(`Full screen control 'container' must be a DOM element.`)),`onfullscreenchange`in document?this._fullscreenchange=`fullscreenchange`:`onmozfullscreenchange`in document?this._fullscreenchange=`mozfullscreenchange`:`onwebkitfullscreenchange`in document?this._fullscreenchange=`webkitfullscreenchange`:`onmsfullscreenchange`in document&&(this._fullscreenchange=`MSFullscreenChange`)}onAdd(e){return this._map=e,this._container||=this._map.getContainer(),this._controlContainer=W.create(`div`,`maplibregl-ctrl maplibregl-ctrl-group`),this._setupUI(),this._controlContainer}onRemove(){this._controlContainer.remove(),this._map=null,window.document.removeEventListener(this._fullscreenchange,this._onFullscreenChange)}_setupUI(){let e=this._fullscreenButton=W.create(`button`,`maplibregl-ctrl-fullscreen`,this._controlContainer);W.create(`span`,`maplibregl-ctrl-icon`,e).setAttribute(`aria-hidden`,`true`),e.type=`button`,this._updateTitle(),this._fullscreenButton.addEventListener(`click`,this._onClickFullscreen),window.document.addEventListener(this._fullscreenchange,this._onFullscreenChange)}_updateTitle(){let e=this._getTitle();this._fullscreenButton.setAttribute(`aria-label`,e),this._fullscreenButton.title=e}_getTitle(){return this._map._getUIString(this._isFullscreen()?`FullscreenControl.Exit`:`FullscreenControl.Enter`)}_isFullscreen(){return this._fullscreen}_handleFullscreenChange(){this._fullscreen=!this._fullscreen,this._fullscreenButton.classList.toggle(`maplibregl-ctrl-shrink`),this._fullscreenButton.classList.toggle(`maplibregl-ctrl-fullscreen`),this._updateTitle(),this._fullscreen?(this.fire(new Nm(`fullscreenstart`)),this._prevCooperativeGesturesEnabled=this._map.cooperativeGestures.isEnabled(),this._map.cooperativeGestures.disable()):(this.fire(new Nm(`fullscreenend`)),this._prevCooperativeGesturesEnabled&&this._map.cooperativeGestures.enable())}_exitFullscreen(){this._pseudo?this._togglePseudoFullScreen():window.document.exitFullscreen?window.document.exitFullscreen():window.document.webkitCancelFullScreen?window.document.webkitCancelFullScreen():this._togglePseudoFullScreen()}_requestFullscreen(){this._pseudo?this._togglePseudoFullScreen():this._container.requestFullscreen?this._container.requestFullscreen():this._container.webkitRequestFullscreen?this._container.webkitRequestFullscreen():this._togglePseudoFullScreen()}_togglePseudoFullScreen(){this._container.classList.toggle(`maplibregl-pseudo-fullscreen`),this._handleFullscreenChange(),this._map.resize()}},Fm=class{constructor(e){this._toggleTerrain=()=>{this._map.getTerrain()?this._map.setTerrain(null):this._map.setTerrain(this.options),this._updateTerrainIcon()},this._updateTerrainIcon=()=>{this._terrainButton.classList.remove(`maplibregl-ctrl-terrain`),this._terrainButton.classList.remove(`maplibregl-ctrl-terrain-enabled`),this._map.terrain?(this._terrainButton.classList.add(`maplibregl-ctrl-terrain-enabled`),this._terrainButton.title=this._map._getUIString(`TerrainControl.Disable`)):(this._terrainButton.classList.add(`maplibregl-ctrl-terrain`),this._terrainButton.title=this._map._getUIString(`TerrainControl.Enable`))},this.options=e}onAdd(e){return this._map=e,this._container=W.create(`div`,`maplibregl-ctrl maplibregl-ctrl-group`),this._terrainButton=W.create(`button`,`maplibregl-ctrl-terrain`,this._container),W.create(`span`,`maplibregl-ctrl-icon`,this._terrainButton).setAttribute(`aria-hidden`,`true`),this._terrainButton.type=`button`,this._terrainButton.addEventListener(`click`,this._toggleTerrain),this._updateTerrainIcon(),this._map.on(`terrain`,this._updateTerrainIcon),this._container}onRemove(){this._container.remove(),this._map.off(`terrain`,this._updateTerrainIcon),this._map=void 0}},Im=class{constructor(){this._toggleProjection=()=>{let e=this._map.getProjection()?.type;e===`mercator`||!e?this._map.setProjection({type:`globe`}):this._map.setProjection({type:`mercator`}),this._updateGlobeIcon()},this._updateGlobeIcon=()=>{this._globeButton.classList.remove(`maplibregl-ctrl-globe`),this._globeButton.classList.remove(`maplibregl-ctrl-globe-enabled`),this._map.getProjection()?.type===`globe`?(this._globeButton.classList.add(`maplibregl-ctrl-globe-enabled`),this._globeButton.title=this._map._getUIString(`GlobeControl.Disable`)):(this._globeButton.classList.add(`maplibregl-ctrl-globe`),this._globeButton.title=this._map._getUIString(`GlobeControl.Enable`))}}onAdd(e){return this._map=e,this._container=W.create(`div`,`maplibregl-ctrl maplibregl-ctrl-group`),this._globeButton=W.create(`button`,`maplibregl-ctrl-globe`,this._container),W.create(`span`,`maplibregl-ctrl-icon`,this._globeButton).setAttribute(`aria-hidden`,`true`),this._globeButton.type=`button`,this._globeButton.addEventListener(`click`,this._toggleProjection),this._updateGlobeIcon(),this._map.on(`styledata`,this._updateGlobeIcon),this._map.on(`projectiontransition`,this._updateGlobeIcon),this._container}onRemove(){this._container.remove(),this._map.off(`styledata`,this._updateGlobeIcon),this._map.off(`projectiontransition`,this._updateGlobeIcon),this._globeButton.removeEventListener(`click`,this._toggleProjection),this._map=void 0}};const Lm={closeButton:!0,closeOnClick:!0,focusAfterOpen:!0,className:``,maxWidth:`240px`,subpixelPositioning:!1,locationOccludedOpacity:void 0,padding:void 0},Rm=[`a[href]`,`[tabindex]:not([tabindex='-1'])`,`[contenteditable]:not([contenteditable='false'])`,`button:not([disabled])`,`input:not([disabled])`,`select:not([disabled])`,`textarea:not([disabled])`].join(`, `);var zm=class extends Xe{},Bm=class extends h{constructor(e){super(),this._updateOpacity=()=>{this.options.locationOccludedOpacity!==void 0&&(this._map._camera.transform.isLocationOccluded(this.getLngLat())?this._container.style.opacity=`${this.options.locationOccludedOpacity}`:this._container.style.opacity=``)},this.remove=()=>(this._content&&this._content.remove(),this._container&&(this._container.remove(),delete this._container),this._map&&(this._map.off(`move`,this._update),this._map.off(`move`,this._onClose),this._map.off(`click`,this._onClose),this._map.off(`remove`,this.remove),this._map.off(`terrain`,this._update),this._map.off(`projectiontransition`,this._update),this._map.off(`mousemove`,this._update),this._map.off(`mouseup`,this._update),this._map.off(`drag`,this._update),this._map._canvasContainer.classList.remove(`maplibregl-track-pointer`),delete this._map,this.fire(new zm(`close`))),this),this._update=e=>{let t=this._lngLat||this._trackPointer;if(!this._map||!t||!this._content)return;if(!this._container){if(this._container=W.create(`div`,`maplibregl-popup`,this._map.getContainer()),this._tip=W.create(`div`,`maplibregl-popup-tip`,this._container),this._container.appendChild(this._content),this.options.className)for(let e of this.options.className.split(` `))this._container.classList.add(e);this._closeButton&&this._closeButton.setAttribute(`aria-label`,this._map._getUIString(`Popup.Close`)),this._trackPointer&&this._container.classList.add(`maplibregl-popup-track-pointer`)}this.options.maxWidth&&this._container.style.maxWidth!==this.options.maxWidth&&(this._container.style.maxWidth=this.options.maxWidth),this._lngLat=pm(this._lngLat,this._flatPos,this._map._camera.transform,this._trackPointer);let n;if(e&&`point`in e&&e.point&&(n=e.point),this._trackPointer&&!n)return;let r=this._flatPos=this._pos=this._trackPointer&&n?n:this._map.project(this._lngLat);this._map.terrain&&(this._flatPos=this._trackPointer&&n?n:this._map._camera.transform.locationToScreenPoint(this._lngLat));let i=this.options.anchor,a=Vm(this.options.offset);if(!i){let e=this._container.offsetWidth,t=this._container.offsetHeight,n=Hm(this.options.padding),o;o=r.y+a.bottom.ythis._map._camera.transform.height-t-n.bottom?[`bottom`]:[],r.xthis._map._camera.transform.width-e/2-n.right&&o.push(`right`),i=o.length===0?`bottom`:o.join(`-`)}let o=r.add(a[i]);this.options.subpixelPositioning||(o=o.round()),this._container.style.transform=`${mm[i]} translate(${o.x}px,${o.y}px)`,hm(this._container,i,`popup`),this._updateOpacity()},this._onClose=()=>{this.remove()},this.options=z(Object.create(Lm),e)}addTo(e){return this._map&&this.remove(),this._map=e,this.options.closeOnClick&&this._map.on(`click`,this._onClose),this.options.closeOnMove&&this._map.on(`move`,this._onClose),this._map.on(`remove`,this.remove),this._map.on(`terrain`,this._update),this._map.on(`projectiontransition`,this._update),this._update(),this._focusFirstElement(),this._trackPointer?(this._map.on(`mousemove`,this._update),this._map.on(`mouseup`,this._update),this._container&&this._container.classList.add(`maplibregl-popup-track-pointer`),this._map._canvasContainer.classList.add(`maplibregl-track-pointer`)):this._map.on(`move`,this._update),this.fire(new zm(`open`)),this}isOpen(){return!!this._map}getLngLat(){return this._lngLat}setLngLat(e){return this._lngLat=V.convert(e),this._pos=null,this._flatPos=null,this._trackPointer=!1,this._update(),this._map&&(this._map.on(`move`,this._update),this._map.off(`mousemove`,this._update),this._container&&this._container.classList.remove(`maplibregl-popup-track-pointer`),this._map._canvasContainer.classList.remove(`maplibregl-track-pointer`)),this}trackPointer(){return this._trackPointer=!0,this._pos=null,this._flatPos=null,this._update(),this._map&&(this._map.off(`move`,this._update),this._map.on(`mousemove`,this._update),this._map.on(`drag`,this._update),this._container&&this._container.classList.add(`maplibregl-popup-track-pointer`),this._map._canvasContainer.classList.add(`maplibregl-track-pointer`)),this}getElement(){return this._container}setText(e){return this.setDOMContent(document.createTextNode(e))}setHTML(e){let t=document.createDocumentFragment(),n=document.createElement(`body`),r;for(n.innerHTML=e;r=n.firstChild,r;)t.appendChild(r);return this.setDOMContent(t)}getMaxWidth(){return this._container?.style.maxWidth}setMaxWidth(e){return this.options.maxWidth=e,this._update(),this}setDOMContent(e){if(this._content)for(;this._content.hasChildNodes();)this._content.firstChild&&this._content.removeChild(this._content.firstChild);else this._content=W.create(`div`,`maplibregl-popup-content`,this._container);return this._content.appendChild(e),this._createCloseButton(),this._update(),this._focusFirstElement(),this}addClassName(e){return this._container&&this._container.classList.add(e),this}removeClassName(e){return this._container&&this._container.classList.remove(e),this}setOffset(e){return this.options.offset=e,this._update(),this}toggleClassName(e){if(this._container)return this._container.classList.toggle(e)}setSubpixelPositioning(e){this.options.subpixelPositioning=e}setPadding(e){this.options.padding=e,this._update()}_createCloseButton(){this.options.closeButton&&(this._closeButton=W.create(`button`,`maplibregl-popup-close-button`,this._content),this._closeButton.type=`button`,this._closeButton.innerHTML=`×`,this._closeButton.addEventListener(`click`,this._onClose))}_focusFirstElement(){if(!this.options.focusAfterOpen||!this._container)return;let e=this._container.querySelector(Rm);e&&e.focus()}};function Vm(e){if(!e)return Vm(new l(0,0));if(typeof e==`number`){let t=Math.round(Math.abs(e)/Math.SQRT2);return{center:new l(0,0),top:new l(0,e),"top-left":new l(t,t),"top-right":new l(-t,t),bottom:new l(0,-e),"bottom-left":new l(t,-t),"bottom-right":new l(-t,-t),left:new l(e,0),right:new l(-e,0)}}if(e instanceof l||Array.isArray(e)){let t=l.convert(e);return{center:t,top:t,"top-left":t,"top-right":t,bottom:t,"bottom-left":t,"bottom-right":t,left:t,right:t}}return{center:l.convert(e.center||[0,0]),top:l.convert(e.top||[0,0]),"top-left":l.convert(e[`top-left`]||[0,0]),"top-right":l.convert(e[`top-right`]||[0,0]),bottom:l.convert(e.bottom||[0,0]),"bottom-left":l.convert(e[`bottom-left`]||[0,0]),"bottom-right":l.convert(e[`bottom-right`]||[0,0]),left:l.convert(e.left||[0,0]),right:l.convert(e.right||[0,0])}}function Hm(e){return e?{top:e.top??0,right:e.right??0,bottom:e.bottom??0,left:e.left??0}:{top:0,right:0,bottom:0,left:0}}const Um=Ar;function Wm(e,t){return fo().setRTLTextPlugin(e,t)}function Gm(){return fo().getRTLTextPluginStatus()}function Km(){return Um}function qm(){return Zi.workerCount}function Jm(e){Zi.workerCount=e}function Ym(){return k.MAX_PARALLEL_IMAGE_REQUESTS}function Xm(e){k.MAX_PARALLEL_IMAGE_REQUESTS=e}function Zm(){return k.WORKER_URL}function Qm(e){k.WORKER_URL=e}async function $m(e){await aa().broadcast(`IS`,e)}export{mr as AJAXError,$p as AttributionControl,sp as BoxZoomHandler,to as CanvasSource,Gp as CooperativeGesturesHandler,zp as DoubleClickZoomHandler,Hp as DragPanHandler,Up as DragRotateHandler,N as EXTENT,ec as EdgeInsets,H as ErrorEvent,Xe as Event,h as Evented,Pm as FullscreenControl,Nm as FullscreenEvent,qf as GPUInitializationError,Ia as GeoJSONSource,Em as GeolocateControl,Tm as GeolocateErrorEvent,Cm as GeolocateEvent,wm as GeolocatePositionEvent,Im as GlobeControl,Yf as Hash,Ja as ImageSource,Fp as KeyboardHandler,V as LngLat,_a as LngLatBounds,em as LogoControl,sm as Map,sm as MapLibreMap,Zr as MapBoxZoomEvent,ei as MapContextEvent,Gr as MapLibreEvent,Jr as MapMouseEvent,G as MapMovementEvent,$r as MapProjectionEvent,K as MapSourceDataEvent,qr as MapStyleDataEvent,ti as MapStyleImageMissingEvent,Kr as MapStyleLoadEvent,Qr as MapTerrainEvent,Yr as MapTouchEvent,Xr as MapWheelEvent,ym as Marker,vm as MarkerClickEvent,_m as MarkerDragEvent,B as MercatorCoordinate,lm as NavigationControl,l as Point,Bm as Popup,zm as PopupEvent,xa as RasterDEMTileSource,ba as RasterTileSource,Om as ScaleControl,Rp as ScrollZoomHandler,ml as Style,Fm as TerrainControl,Np as TwoFingersTouchPitchHandler,jp as TwoFingersTouchRotateHandler,kp as TwoFingersTouchZoomHandler,Wp as TwoFingersTouchZoomRotateHandler,ya as VectorTileSource,eo as VideoSource,Te as addProtocol,oo as addSourceType,na as clearPrewarmedResources,k as config,qa as createTileMesh,aa as getGlobalDispatcher,Ym as getMaxParallelImageRequests,Gm as getRTLTextPluginStatus,Km as getVersion,qm as getWorkerCount,Zm as getWorkerUrl,$m as importScriptInWorkers,Hr as isTimeFrozen,U as now,ta as prewarm,Re as removeProtocol,Vr as restoreNow,Xm as setMaxParallelImageRequests,Br as setNow,Wm as setRTLTextPlugin,Jm as setWorkerCount,Qm as setWorkerUrl};
+//# sourceMappingURL=maplibre-gl.mjs.map
\ No newline at end of file