IteratedNoder.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: noding/IteratedNoder.java r591 (JTS-1.12+)
 *
 **********************************************************************/
 
#ifndef GEOS_NODING_ITERATEDNODER_H
#define GEOS_NODING_ITERATEDNODER_H
 
#include <geos/export.h>
 
#include <vector>
#include <iostream>
 
#include <geos/inline.h>
 
#include <geos/algorithm/LineIntersector.h>
#include <geos/noding/SegmentString.h> // due to inlines
#include <geos/noding/Noder.h> // for inheritance
 
// Forward declarations
namespace geos {
        namespace geom {
                class PrecisionModel;
        }
}
 
namespace geos {
namespace noding { // geos::noding

class GEOS_DLL IteratedNoder : public Noder { // implements Noder
 
private:
        static const int MAX_ITER = 5;
 
 
        const geom::PrecisionModel *pm;
        algorithm::LineIntersector li;
        std::vector<SegmentString*>* nodedSegStrings;
        int maxIter;

        void node(std::vector<SegmentString*>* segStrings,
                        int *numInteriorIntersections);
 
public:
 
        IteratedNoder(const geom::PrecisionModel *newPm)
                :
                pm(newPm),
                li(pm),
                maxIter(MAX_ITER)
        {
        }
 
        virtual ~IteratedNoder() {}

        void setMaximumIterations(int n) { maxIter = n; }
 
        std::vector<SegmentString*>* getNodedSubstrings() const {
                return nodedSegStrings;
        }
 

        void computeNodes(std::vector<SegmentString*>* inputSegmentStrings); // throw(GEOSException);
};
 
} // namespace geos::noding
} // namespace geos
 
 
#endif // GEOS_NODING_ITERATEDNODER_H