code: public GeoPosition pixelToGeo(Point2D pixelCoordinate, int zoom)
      {
          return GeoUtil.getPosition(pixelCoordinate, zoom, getInfo());
      }
docs: Convert a pixel in the world bitmap at the specified zoom level into a GeoPosition
  @param pixelCoordinate a Point2D representing a pixel in the world bitmap
  @param zoom the zoom level of the world bitmap
  @return the converted GeoPosition