docs: public static double getCenterLongitude(final double pWest, final double pEast) {
  		double longitude = (pEast + pWest) / 2.0;
  		if (pEast < pWest) {
  			// center is on the other side of earth
  			longitude += 180;
  		}
  		return org.osmdroid.views.MapView.getTileSystem().cleanLongitude(longitude);
  	}