DistanceToPoint.h

/**********************************************************************
 *
 * GEOS - Geometry Engine Open Source
 * http://geos.osgeo.org
 *
 * Copyright (C) 2009  Sandro Santilli <strk@keybit.net>
 *
 * This is free software; you can redistribute and/or modify it under
 * the terms of the GNU Lesser General Public Licence as published
 * by the Free Software Foundation. 
 * See the COPYING file for more information.
 *
 **********************************************************************
 *
 * Last port: algorithm/distance/DistanceToPoint.java 1.1 (JTS-1.9)
 *
 **********************************************************************/
 
#ifndef GEOS_ALGORITHM_DISTANCE_DISTANCETOPOINT_H
#define GEOS_ALGORITHM_DISTANCE_DISTANCETOPOINT_H
 
#include <geos/geom/LineSegment.h> // for composition
 
namespace geos {
        namespace algorithm {
                namespace distance {
                        class PointPairDistance;
                }
        }
        namespace geom {
                class Geometry;
                class Coordinate; 
                class LineString; 
                class Polygon; 
        }
}
 
namespace geos {
namespace algorithm { // geos::algorithm
namespace distance { // geos::algorithm::distance

class DistanceToPoint
{
public:
 
        DistanceToPoint() {}
 
        static void computeDistance(const geom::Geometry& geom,
                                    const geom::Coordinate& pt,
                                    PointPairDistance& ptDist);
 
        static void computeDistance(const geom::LineString& geom,
                                    const geom::Coordinate& pt,
                                    PointPairDistance& ptDist);
 
        static void computeDistance(const geom::LineSegment& geom,
                                    const geom::Coordinate& pt,
                                    PointPairDistance& ptDist);
 
        static void computeDistance(const geom::Polygon& geom,
                                    const geom::Coordinate& pt,
                                    PointPairDistance& ptDist);
 
};
 
} // geos::algorithm::distance
} // geos::algorithm
} // geos
 
#endif // GEOS_ALGORITHM_DISTANCE_DISTANCETOPOINT_H