public AltosUIMapTile(AltosUIMapTileListener listener, AltosUILatLon upper_left, AltosUILatLon center, int zoom, int maptype, int px_size, Font font) {
this.listener = listener;
this.upper_left = upper_left;
public AltosUIMapTile(AltosUIMapTileListener listener, AltosUILatLon upper_left, AltosUILatLon center, int zoom, int maptype, int px_size, Font font) {
this.listener = listener;
this.upper_left = upper_left;