code: public Point2D geoToPixel(GeoPosition c, int zoomLevel)
      {
          return GeoUtil.getBitmapCoordinate(c, zoomLevel, getInfo());
      }
docs: Convert a GeoPosition to a pixel position in the world bitmap a the specified zoom level.
  @param c a GeoPosition
  @param zoomLevel the zoom level to extract the pixel coordinate for
  @return the pixel point