EdgeEndBundle.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/EdgeEndBundle.java rev. 1.17 (JTS-1.10)
 *
 **********************************************************************/
 
#ifndef GEOS_OP_RELATE_EDGEENDBUNDLE_H
#define GEOS_OP_RELATE_EDGEENDBUNDLE_H
 
#include <geos/export.h>
 
#include <geos/geomgraph/EdgeEnd.h> // for EdgeEndBundle inheritance
 
#include <string>
 
// Forward declarations
namespace geos {
        namespace algorithm {
                class BoundaryNodeRule;
        }
        namespace geom {
                class IntersectionMatrix;
        }
}
 
 
namespace geos {
namespace operation { // geos::operation
namespace relate { // geos::operation::relate

class GEOS_DLL EdgeEndBundle: public geomgraph::EdgeEnd 
{
public:
        EdgeEndBundle(geomgraph::EdgeEnd *e);
        virtual ~EdgeEndBundle();
        std::vector<geomgraph::EdgeEnd*>* getEdgeEnds();
        void insert(geomgraph::EdgeEnd *e);
 
        void computeLabel(const algorithm::BoundaryNodeRule& bnr); 

        void updateIM(geom::IntersectionMatrix& im);
 
        std::string print();
protected:
        std::vector<geomgraph::EdgeEnd*> *edgeEnds;

        void computeLabelOn(int geomIndex,
                const algorithm::BoundaryNodeRule& boundaryNodeRule);
 
        void computeLabelSides(int geomIndex);
        void computeLabelSide(int geomIndex,int side);
};
 
} // namespace geos:operation:relate
} // namespace geos:operation
} // namespace geos
 
#endif // GEOS_OP_RELATE_EDGEENDBUNDLE_H