package au.gov.amsa.gt;
   
   import java.util.Collection;
   
   import com.vividsolutions.jts.geom.Coordinate;
   import com.vividsolutions.jts.geom.GeometryFactory;
   import com.vividsolutions.jts.geom.Point;
   import com.vividsolutions.jts.geom.prep.PreparedGeometry;
   
  public final class GeometryUtil {
  
      public static boolean contains(GeometryFactory gf, Collection<PreparedGeometry> geometries,
              double lat, double lon) {
          Point point = gf.createPoint(new Coordinate(lon, lat));
          for (PreparedGeometry g : geometries) {
              if (g.contains(point))
                  return true;
          }
          return false;
      }
  }