code: public static Point getPixelRelative(LatLong latLong, long mapSize, Point origin) {
          return getPixelRelative(latLong, mapSize, origin.x, origin.y);
      }
docs: Calculates the absolute pixel position for a map size and tile size relative to origin
  
  @param latLong the geographic position.
  @param mapSize precomputed size of map.
  @return the relative pixel position to the origin values (e.g. for a tile)