readMapDataSingle method
Reads all map data for the area covered by the given tile at the tile zoom level.
@param tile defines area and zoom level of read map data. @return the read map data.
Implementation
@override
Future<DatastoreReadResult> readMapDataSingle(Tile tile) async {
DatastoreReadResult result =
await _readMapDataComplete(tile, tile, MapfileSelector.ALL);
//print("$_storage");
return result;
}