boundingBoxOfTile method
The bounding box of this tile in lat/lon coordinates
Implementation
@override
BoundingBox boundingBoxOfTile(Tile tile) {
double minLatitude =
max(Projection.LATITUDE_MIN, tileYToLatitude(tile.tileY + 1));
double minLongitude =
max(Projection.LONGITUDE_MIN, tileXToLongitude(tile.tileX));
double maxLatitude =
min(Projection.LATITUDE_MAX, tileYToLatitude(tile.tileY));
double maxLongitude =
min(Projection.LONGITUDE_MAX, tileXToLongitude(tile.tileX + 1));
if (maxLongitude == -180) {
// fix for dateline crossing, where the right tile starts at -180 and causes an invalid bbox
maxLongitude = 180;
}
return BoundingBox(minLatitude, minLongitude, maxLatitude, maxLongitude);
}