IteratedNoder.h

00001 /**********************************************************************
00002  * $Id: IteratedNoder.h 1820 2006-09-06 16:54:23Z mloskot $
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 #ifndef GEOS_NODING_ITERATEDNODER_H
00017 #define GEOS_NODING_ITERATEDNODER_H
00018 
00019 #include <vector>
00020 #include <iostream>
00021 
00022 #include <geos/inline.h>
00023 
00024 #include <geos/algorithm/LineIntersector.h>
00025 #include <geos/noding/SegmentString.h> // due to inlines
00026 #include <geos/noding/Noder.h> // for inheritance
00027 
00028 // Forward declarations
00029 namespace geos {
00030         namespace geom {
00031                 class PrecisionModel;
00032         }
00033 }
00034 
00035 namespace geos {
00036 namespace noding { // geos::noding
00037 
00050 class IteratedNoder : public Noder { // implements Noder
00051 
00052 private:
00053         static const int MAX_ITER = 5;
00054 
00055 
00056         const geom::PrecisionModel *pm;
00057         algorithm::LineIntersector li;
00058         std::vector<SegmentString*>* nodedSegStrings;
00059         int maxIter;
00060 
00065         void node(std::vector<SegmentString*>* segStrings,
00066                         int *numInteriorIntersections);
00067 
00068 public:
00069 
00070         IteratedNoder(const geom::PrecisionModel *newPm)
00071                 :
00072                 pm(newPm),
00073                 li(pm),
00074                 maxIter(MAX_ITER)
00075         {
00076         }
00077 
00078         virtual ~IteratedNoder() {}
00079 
00089         void setMaximumIterations(int n) { maxIter = n; }
00090 
00091         std::vector<SegmentString*>* getNodedSubstrings() const {
00092                 return SegmentString::getNodedSubstrings(*nodedSegStrings);
00093         }
00094  
00095 
00105         void computeNodes(std::vector<SegmentString*>* inputSegmentStrings); // throw(GEOSException);
00106 };
00107 
00108 } // namespace geos::noding
00109 } // namespace geos
00110 
00111 
00112 //#ifdef GEOS_INLINE
00113 //# include "geos/noding/IteratedNoder.inl"
00114 //#endif
00115 
00116 #endif // GEOS_NODING_ITERATEDNODER_H
00117 
00118 /**********************************************************************
00119  * $Log$
00120  * Revision 1.2  2006/03/24 09:52:41  strk
00121  * USE_INLINE => GEOS_INLINE
00122  *
00123  * Revision 1.1  2006/03/09 16:46:49  strk
00124  * geos::geom namespace definition, first pass at headers split
00125  *
00126  **********************************************************************/
00127 

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