GEOS
3.2.3
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00001 /********************************************************************** 00002 * $Id: SimpleSnapRounder.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/SimpleSnapRounder.java rev. 1.4 (JTS-1.9) 00017 * 00018 **********************************************************************/ 00019 00020 #ifndef GEOS_NODING_SNAPROUND_SIMPLESNAPROUNDER_H 00021 #define GEOS_NODING_SNAPROUND_SIMPLESNAPROUNDER_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 #include <geos/geom/PrecisionModel.h> // for inlines (should drop) 00033 00034 // Forward declarations 00035 namespace geos { 00036 namespace geom { 00037 //class PrecisionModel; 00038 } 00039 namespace algorithm { 00040 class LineIntersector; 00041 } 00042 namespace noding { 00043 class SegmentString; 00044 class NodedSegmentString; 00045 namespace snapround { 00046 class HotPixel; 00047 } 00048 } 00049 } 00050 00051 namespace geos { 00052 namespace noding { // geos::noding 00053 namespace snapround { // geos::noding::snapround 00054 00073 class GEOS_DLL SimpleSnapRounder: public Noder { // implements NoderIface 00074 00075 public: 00076 00077 SimpleSnapRounder(const geom::PrecisionModel& newPm); 00078 00079 std::vector<SegmentString*>* getNodedSubstrings() const; 00080 00081 void computeNodes(std::vector<SegmentString*>* inputSegmentStrings); 00082 00083 void add(const SegmentString* segStr); 00084 00092 void computeVertexSnaps(const std::vector<SegmentString*>& edges); 00093 00094 private: 00095 00096 const geom::PrecisionModel& pm; 00097 algorithm::LineIntersector li; 00098 double scaleFactor; 00099 std::vector<SegmentString*>* nodedSegStrings; 00100 00101 void checkCorrectness(std::vector<SegmentString*>& inputSegmentStrings); 00102 00103 void snapRound(std::vector<SegmentString*>* segStrings, 00104 algorithm::LineIntersector& li); 00105 00117 void findInteriorIntersections(std::vector<SegmentString*>& segStrings, 00118 algorithm::LineIntersector& li, std::vector<geom::Coordinate>& ret); 00119 00125 void computeSnaps(const std::vector<SegmentString*>& segStrings, 00126 std::vector<geom::Coordinate>& snapPts); 00127 00128 void computeSnaps(NodedSegmentString* ss, std::vector<geom::Coordinate>& snapPts); 00129 00135 void computeVertexSnaps(NodedSegmentString* e0, NodedSegmentString* e1); 00136 00137 // Declare type as noncopyable 00138 SimpleSnapRounder(const SimpleSnapRounder& other); 00139 SimpleSnapRounder& operator=(const SimpleSnapRounder& rhs); 00140 }; 00141 00142 } // namespace geos::noding::snapround 00143 } // namespace geos::noding 00144 } // namespace geos 00145 00146 //#ifdef GEOS_INLINE 00147 //# include "geos/noding/snapround/SimpleSnapRounder.inl" 00148 //#endif 00149 00150 #endif // GEOS_NODING_SNAPROUND_SIMPLESNAPROUNDER_H 00151 00152 /********************************************************************** 00153 * $Log$ 00154 * Revision 1.3 2006/05/03 15:02:49 strk 00155 * moved some implementations from header to .cpp file (taken out of inline) 00156 * 00157 * Revision 1.2 2006/03/24 09:52:41 strk 00158 * USE_INLINE => GEOS_INLINE 00159 * 00160 * Revision 1.1 2006/03/14 12:55:56 strk 00161 * Headers split: geomgraphindex.h, nodingSnapround.h 00162 * 00163 **********************************************************************/ 00164