GEOS 3.3.1
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00001 /********************************************************************** 00002 * 00003 * GEOS - Geometry Engine Open Source 00004 * http://geos.refractions.net 00005 * 00006 * Copyright (C) 2011 Sandro Santilli <strk@keybit.net> 00007 * Copyright (C) 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: operation/relate/RelateComputer.java rev. 1.24 (JTS-1.10) 00018 * 00019 **********************************************************************/ 00020 00021 #ifndef GEOS_OP_RELATE_RELATECOMPUTER_H 00022 #define GEOS_OP_RELATE_RELATECOMPUTER_H 00023 00024 #include <geos/export.h> 00025 00026 #include <geos/algorithm/PointLocator.h> // for RelateComputer composition 00027 #include <geos/algorithm/LineIntersector.h> // for RelateComputer composition 00028 #include <geos/geomgraph/NodeMap.h> // for RelateComputer composition 00029 #include <geos/geom/Coordinate.h> // for RelateComputer composition 00030 00031 #include <vector> 00032 #include <memory> 00033 00034 #ifdef _MSC_VER 00035 #pragma warning(push) 00036 #pragma warning(disable: 4251) // warning C4251: needs to have dll-interface to be used by clients of class 00037 #endif 00038 00039 // Forward declarations 00040 namespace geos { 00041 namespace geom { 00042 class IntersectionMatrix; 00043 class Geometry; 00044 } 00045 namespace geomgraph { 00046 class GeometryGraph; 00047 class Edge; 00048 class EdgeEnd; 00049 class Node; 00050 namespace index { 00051 class SegmentIntersector; 00052 } 00053 } 00054 } 00055 00056 00057 namespace geos { 00058 namespace operation { // geos::operation 00059 namespace relate { // geos::operation::relate 00060 00075 class GEOS_DLL RelateComputer { 00076 public: 00077 RelateComputer(std::vector<geomgraph::GeometryGraph*> *newArg); 00078 ~RelateComputer(); 00079 00080 geom::IntersectionMatrix* computeIM(); 00081 private: 00082 00083 algorithm::LineIntersector li; 00084 00085 algorithm::PointLocator ptLocator; 00086 00088 std::vector<geomgraph::GeometryGraph*> *arg; 00089 00090 geomgraph::NodeMap nodes; 00091 00093 std::auto_ptr<geom::IntersectionMatrix> im; 00094 00095 std::vector<geomgraph::Edge*> isolatedEdges; 00096 00098 geom::Coordinate invalidPoint; 00099 00100 void insertEdgeEnds(std::vector<geomgraph::EdgeEnd*> *ee); 00101 00102 void computeProperIntersectionIM( 00103 geomgraph::index::SegmentIntersector *intersector, 00104 geom::IntersectionMatrix *imX); 00105 00106 void copyNodesAndLabels(int argIndex); 00107 void computeIntersectionNodes(int argIndex); 00108 void labelIntersectionNodes(int argIndex); 00109 00114 void computeDisjointIM(geom::IntersectionMatrix *imX); 00115 00116 void labelNodeEdges(); 00117 00121 void updateIM(geom::IntersectionMatrix *imX); 00122 00131 void labelIsolatedEdges(int thisIndex,int targetIndex); 00132 00140 void labelIsolatedEdge(geomgraph::Edge *e,int targetIndex, 00141 const geom::Geometry *target); 00142 00152 void labelIsolatedNodes(); 00153 00157 void labelIsolatedNode(geomgraph::Node *n,int targetIndex); 00158 }; 00159 00160 00161 } // namespace geos:operation:relate 00162 } // namespace geos:operation 00163 } // namespace geos 00164 00165 #ifdef _MSC_VER 00166 #pragma warning(pop) 00167 #endif 00168 00169 #endif // GEOS_OP_RELATE_RELATECOMPUTER_H 00170 00171 /********************************************************************** 00172 * $Log$ 00173 * Revision 1.1 2006/03/21 13:11:29 strk 00174 * opRelate.h header split 00175 * 00176 **********************************************************************/ 00177