readLabels method
Reads label data for a rectangular area of tiles.
Precondition: upperLeft.tileX <= lowerRight.tileX and upperLeft.tileY <= lowerRight.tileY.
Implementation
///
/// Precondition: `upperLeft.tileX <= lowerRight.tileX` and `upperLeft.tileY <= lowerRight.tileY`.
@override
Future<DatastoreBundle> readLabels(Tile upperLeft, Tile lowerRight) async {
await _lateOpen();
return _readMapDataComplete(upperLeft, lowerRight, MapfileSelector.LABELS);
}