GEOS
3.3.9
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00001 /********************************************************************** 00002 * $Id: SimpleSnapRounder.h 3239 2011-02-23 14:37:29Z 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/snapround/SimpleSnapRounder.java r320 (JTS-1.12) 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 00074 class GEOS_DLL SimpleSnapRounder: public Noder { // implements NoderIface 00075 00076 public: 00077 00078 SimpleSnapRounder(const geom::PrecisionModel& newPm); 00079 00080 std::vector<SegmentString*>* getNodedSubstrings() const; 00081 00082 void computeNodes(std::vector<SegmentString*>* inputSegmentStrings); 00083 00084 void add(const SegmentString* segStr); 00085 00093 void computeVertexSnaps(const std::vector<SegmentString*>& edges); 00094 00095 private: 00096 00097 const geom::PrecisionModel& pm; 00098 algorithm::LineIntersector li; 00099 double scaleFactor; 00100 std::vector<SegmentString*>* nodedSegStrings; 00101 00102 void checkCorrectness(std::vector<SegmentString*>& inputSegmentStrings); 00103 00104 void snapRound(std::vector<SegmentString*>* segStrings, 00105 algorithm::LineIntersector& li); 00106 00118 void findInteriorIntersections(std::vector<SegmentString*>& segStrings, 00119 algorithm::LineIntersector& li, std::vector<geom::Coordinate>& ret); 00120 00126 void computeSnaps(const std::vector<SegmentString*>& segStrings, 00127 std::vector<geom::Coordinate>& snapPts); 00128 00129 void computeSnaps(NodedSegmentString* ss, std::vector<geom::Coordinate>& snapPts); 00130 00136 void computeVertexSnaps(NodedSegmentString* e0, NodedSegmentString* e1); 00137 00138 // Declare type as noncopyable 00139 SimpleSnapRounder(const SimpleSnapRounder& other); 00140 SimpleSnapRounder& operator=(const SimpleSnapRounder& rhs); 00141 }; 00142 00143 } // namespace geos::noding::snapround 00144 } // namespace geos::noding 00145 } // namespace geos 00146 00147 //#ifdef GEOS_INLINE 00148 //# include "geos/noding/snapround/SimpleSnapRounder.inl" 00149 //#endif 00150 00151 #endif // GEOS_NODING_SNAPROUND_SIMPLESNAPROUNDER_H 00152 00153 /********************************************************************** 00154 * $Log$ 00155 * Revision 1.3 2006/05/03 15:02:49 strk 00156 * moved some implementations from header to .cpp file (taken out of inline) 00157 * 00158 * Revision 1.2 2006/03/24 09:52:41 strk 00159 * USE_INLINE => GEOS_INLINE 00160 * 00161 * Revision 1.1 2006/03/14 12:55:56 strk 00162 * Headers split: geomgraphindex.h, nodingSnapround.h 00163 * 00164 **********************************************************************/ 00165