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IteratedNoder.h

00001 /**********************************************************************
00002  * $Id: IteratedNoder.h 2556 2009-06-06 22:22:28Z strk $
00003  *
00004  * GEOS - Geometry Engine Open Source
00005  * http://geos.refractions.net
00006  *
00007  * Copyright (C) 2006      Refractions Research Inc.
00008  *
00009  * This is free software; you can redistribute and/or modify it under
00010  * the terms of the GNU Lesser General Public Licence as published
00011  * by the Free Software Foundation. 
00012  * See the COPYING file for more information.
00013  *
00014  **********************************************************************
00015  *
00016  * Last port: noding/IteratedNoder.java rev. 1.6 (JTS-1.9)
00017  *
00018  **********************************************************************/
00019 
00020 #ifndef GEOS_NODING_ITERATEDNODER_H
00021 #define GEOS_NODING_ITERATEDNODER_H
00022 
00023 #include <geos/export.h>
00024 
00025 #include <vector>
00026 #include <iostream>
00027 
00028 #include <geos/inline.h>
00029 
00030 #include <geos/algorithm/LineIntersector.h>
00031 #include <geos/noding/SegmentString.h> // due to inlines
00032 #include <geos/noding/Noder.h> // for inheritance
00033 
00034 // Forward declarations
00035 namespace geos {
00036         namespace geom {
00037                 class PrecisionModel;
00038         }
00039 }
00040 
00041 namespace geos {
00042 namespace noding { // geos::noding
00043 
00055 class GEOS_DLL IteratedNoder : public Noder { // implements Noder
00056 
00057 private:
00058         static const int MAX_ITER = 5;
00059 
00060 
00061         const geom::PrecisionModel *pm;
00062         algorithm::LineIntersector li;
00063         std::vector<SegmentString*>* nodedSegStrings;
00064         int maxIter;
00065 
00070         void node(std::vector<SegmentString*>* segStrings,
00071                         int *numInteriorIntersections);
00072 
00073 public:
00074 
00075         IteratedNoder(const geom::PrecisionModel *newPm)
00076                 :
00077                 pm(newPm),
00078                 li(pm),
00079                 maxIter(MAX_ITER)
00080         {
00081         }
00082 
00083         virtual ~IteratedNoder() {}
00084 
00094         void setMaximumIterations(int n) { maxIter = n; }
00095 
00096         std::vector<SegmentString*>* getNodedSubstrings() const {
00097                 return nodedSegStrings;
00098         }
00099  
00100 
00110         void computeNodes(std::vector<SegmentString*>* inputSegmentStrings); // throw(GEOSException);
00111 };
00112 
00113 } // namespace geos::noding
00114 } // namespace geos
00115 
00116 
00117 //#ifdef GEOS_INLINE
00118 //# include "geos/noding/IteratedNoder.inl"
00119 //#endif
00120 
00121 #endif // GEOS_NODING_ITERATEDNODER_H
00122 
00123 /**********************************************************************
00124  * $Log$
00125  * Revision 1.2  2006/03/24 09:52:41  strk
00126  * USE_INLINE => GEOS_INLINE
00127  *
00128  * Revision 1.1  2006/03/09 16:46:49  strk
00129  * geos::geom namespace definition, first pass at headers split
00130  *
00131  **********************************************************************/
00132 

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