RelateNode.h

/**********************************************************************
 *
 * GEOS - Geometry Engine Open Source
 * http://geos.osgeo.org
 *
 * Copyright (C) 2006 Refractions Research Inc.
 *
 * 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: operation/relate/RelateNode.java rev. 1.11 (JTS-1.10)
 *
 **********************************************************************/
 
#ifndef GEOS_OP_RELATE_RELATENODE_H
#define GEOS_OP_RELATE_RELATENODE_H
 
#include <geos/export.h>
 
#include <geos/geomgraph/Node.h> // for inheritance
 
// Forward declarations
namespace geos {
        namespace geom {
                class IntersectionMatrix;
                class Coordinate;
        }
        namespace geomgraph {
                class EdgeEndStar;
        }
}
 
 
namespace geos {
namespace operation { // geos::operation
namespace relate { // geos::operation::relate

class GEOS_DLL RelateNode: public geomgraph::Node {
 
public:
 
        RelateNode(const geom::Coordinate& coord, geomgraph::EdgeEndStar *edges);
 
        virtual ~RelateNode();

        void updateIMFromEdges(geom::IntersectionMatrix& im);
 
protected:
 
        void computeIM(geom::IntersectionMatrix& im);
};
 
 
} // namespace geos:operation:relate
} // namespace geos:operation
} // namespace geos
 
#endif // GEOS_OP_RELATE_RELATENODE_H