GEOS 3.3.1
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00001 /********************************************************************** 00002 * $Id: DirectedEdge.h 2557 2009-06-08 09:30:55Z strk $ 00003 * 00004 * GEOS - Geometry Engine Open Source 00005 * http://geos.refractions.net 00006 * 00007 * Copyright (C) 2005-2006 Refractions Research Inc. 00008 * Copyright (C) 2001-2002 Vivid Solutions Inc. 00009 * 00010 * This is free software; you can redistribute and/or modify it under 00011 * the terms of the GNU Lesser General Public Licence as published 00012 * by the Free Software Foundation. 00013 * See the COPYING file for more information. 00014 * 00015 ********************************************************************** 00016 * 00017 * Last port: geomgraph/DirectedEdge.java rev. 1.5 (JTS-1.10) 00018 * 00019 **********************************************************************/ 00020 00021 00022 #ifndef GEOS_GEOMGRAPH_DIRECTEDEDGE_H 00023 #define GEOS_GEOMGRAPH_DIRECTEDEDGE_H 00024 00025 #include <geos/export.h> 00026 #include <string> 00027 00028 #include <geos/geomgraph/EdgeEnd.h> // for inheritance 00029 00030 #include <geos/inline.h> 00031 00032 // Forward declarations 00033 namespace geos { 00034 namespace geomgraph { 00035 class Edge; 00036 class EdgeRing; 00037 } 00038 } 00039 00040 namespace geos { 00041 namespace geomgraph { // geos.geomgraph 00042 00044 class GEOS_DLL DirectedEdge: public EdgeEnd { 00045 00046 public: 00047 00054 static int depthFactor(int currLocation, int nextLocation); 00055 00056 //DirectedEdge(); 00057 //virtual ~DirectedEdge(); 00058 00059 DirectedEdge(Edge *newEdge, bool newIsForward); 00060 00061 // this is no different from Base class, no need to override 00062 //Edge* getEdge(); 00063 00064 void setInResult(bool newIsInResult); 00065 00066 bool isInResult(); 00067 00068 bool isVisited(); 00069 00070 void setVisited(bool newIsVisited); 00071 00072 void setEdgeRing(EdgeRing *newEdgeRing); 00073 00074 EdgeRing* getEdgeRing(); 00075 00076 void setMinEdgeRing(EdgeRing *newMinEdgeRing); 00077 00078 EdgeRing* getMinEdgeRing(); 00079 00080 int getDepth(int position); 00081 00082 void setDepth(int position, int newDepth); 00083 00084 int getDepthDelta(); 00085 00087 // 00091 void setVisitedEdge(bool newIsVisited); 00092 00093 00101 DirectedEdge* getSym(); 00102 00103 bool isForward(); 00104 00105 void setSym(DirectedEdge *de); 00106 00107 DirectedEdge* getNext(); 00108 00109 void setNext(DirectedEdge *newNext); 00110 00111 DirectedEdge* getNextMin(); 00112 00113 void setNextMin(DirectedEdge *newNextMin); 00114 00123 bool isLineEdge(); 00124 00134 bool isInteriorAreaEdge(); 00135 00143 void setEdgeDepths(int position, int newDepth); 00144 00145 std::string print(); 00146 00147 std::string printEdge(); 00148 00149 protected: 00150 00151 bool isForwardVar; 00152 00153 private: 00154 00155 bool isInResultVar; 00156 00157 bool isVisitedVar; 00158 00160 DirectedEdge *sym; 00161 00163 DirectedEdge *next; 00164 00166 DirectedEdge *nextMin; 00167 00169 EdgeRing *edgeRing; 00170 00172 EdgeRing *minEdgeRing; 00173 00178 int depth[3]; 00179 00181 void computeDirectedLabel(); 00182 }; 00183 00184 } // namespace geos.geomgraph 00185 } // namespace geos 00186 00187 #ifdef GEOS_INLINE 00188 # include "geos/geomgraph/DirectedEdge.inl" 00189 #endif 00190 00191 #endif // ifndef GEOS_GEOMGRAPH_DIRECTEDEDGE_H 00192 00193 /********************************************************************** 00194 * $Log$ 00195 * Revision 1.5 2006/06/14 14:32:20 strk 00196 * EdgeEnd::getEdge() made non-virtual and inlined. 00197 * 00198 * Revision 1.4 2006/05/04 13:38:13 strk 00199 * doxygen comments cleanup 00200 * 00201 * Revision 1.3 2006/03/24 09:52:41 strk 00202 * USE_INLINE => GEOS_INLINE 00203 * 00204 * Revision 1.2 2006/03/15 15:27:23 strk 00205 * cleanups 00206 * 00207 * Revision 1.1 2006/03/09 16:46:49 strk 00208 * geos::geom namespace definition, first pass at headers split 00209 * 00210 **********************************************************************/ 00211