GEOS
3.2.3
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00001 /********************************************************************** 00002 * $Id: MCIndexSnapRounder.h 2777 2009-12-03 19:41:15Z 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 * Last port: noding/snapround/MCIndexSnapRounder.java rev. 1.3 (JTS-1.9) 00017 * 00018 **********************************************************************/ 00019 00020 #ifndef GEOS_NODING_SNAPROUND_MCINDEXSNAPROUNDER_H 00021 #define GEOS_NODING_SNAPROUND_MCINDEXSNAPROUNDER_H 00022 00023 #include <geos/export.h> 00024 00025 #include <vector> 00026 00027 #include <geos/inline.h> 00028 00029 #include <geos/noding/Noder.h> // for inheritance 00030 #include <geos/algorithm/LineIntersector.h> // for composition 00031 #include <geos/geom/Coordinate.h> // for use in vector 00032 00033 // Forward declarations 00034 namespace geos { 00035 namespace geom { 00036 class PrecisionModel; 00037 } 00038 namespace algorithm { 00039 class LineIntersector; 00040 } 00041 namespace noding { 00042 class SegmentString; 00043 class NodedSegmentString; 00044 class MCIndexNoder; 00045 namespace snapround { 00046 //class HotPixel; 00047 class MCIndexPointSnapper; 00048 } 00049 } 00050 } 00051 00052 namespace geos { 00053 namespace noding { // geos::noding 00054 namespace snapround { // geos::noding::snapround 00055 00056 00077 class GEOS_DLL MCIndexSnapRounder: public Noder { // implments Noder 00078 00079 public: 00080 00081 MCIndexSnapRounder(geom::PrecisionModel& nPm); 00082 00083 std::vector<SegmentString*>* getNodedSubstrings() const; 00084 00085 void computeNodes(std::vector<SegmentString*>* segStrings); 00086 00095 void computeVertexSnaps(std::vector<SegmentString*>& edges); 00096 00097 private: 00098 00100 geom::PrecisionModel& pm; 00101 00102 algorithm::LineIntersector li; 00103 00104 double scaleFactor; 00105 00106 std::vector<SegmentString*>* nodedSegStrings; 00107 00108 std::auto_ptr<MCIndexPointSnapper> pointSnapper; 00109 00110 void snapRound(MCIndexNoder& noder, std::vector<SegmentString*>* segStrings); 00111 00112 00120 void findInteriorIntersections(MCIndexNoder& noder, 00121 std::vector<SegmentString*>* segStrings, 00122 std::vector<geom::Coordinate>& intersections); 00123 00128 void computeIntersectionSnaps(std::vector<geom::Coordinate>& snapPts); 00129 00134 void computeVertexSnaps(NodedSegmentString* e); 00135 00136 void checkCorrectness(std::vector<SegmentString*>& inputSegmentStrings); 00137 00138 // Declare type as noncopyable 00139 MCIndexSnapRounder(const MCIndexSnapRounder& other); 00140 MCIndexSnapRounder& operator=(const MCIndexSnapRounder& rhs); 00141 }; 00142 00143 00144 } // namespace geos::noding::snapround 00145 } // namespace geos::noding 00146 } // namespace geos 00147 00148 #ifdef GEOS_INLINE 00149 # include <geos/noding/snapround/MCIndexSnapRounder.inl> 00150 #endif 00151 00152 #endif // GEOS_NODING_SNAPROUND_MCINDEXSNAPROUNDER_H 00153 00154 /********************************************************************** 00155 * $Log$ 00156 * Revision 1.2 2006/03/24 09:52:41 strk 00157 * USE_INLINE => GEOS_INLINE 00158 * 00159 * Revision 1.1 2006/03/14 12:55:56 strk 00160 * Headers split: geomgraphindex.h, nodingSnapround.h 00161 * 00162 **********************************************************************/ 00163