GEOS
3.4.2
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00001 /********************************************************************** 00002 * 00003 * GEOS - Geometry Engine Open Source 00004 * http://geos.osgeo.org 00005 * 00006 * Copyright (C) 2006 Refractions Research Inc. 00007 * 00008 * This is free software; you can redistribute and/or modify it under 00009 * the terms of the GNU Lesser General Public Licence as published 00010 * by the Free Software Foundation. 00011 * See the COPYING file for more information. 00012 * 00013 ********************************************************************** 00014 * 00015 * Last port: operation/overlay/MaximalEdgeRing.java rev. 1.15 (JTS-1.10) 00016 * 00017 **********************************************************************/ 00018 00019 #ifndef GEOS_OP_OVERLAY_MAXIMALEDGERING_H 00020 #define GEOS_OP_OVERLAY_MAXIMALEDGERING_H 00021 00022 #include <geos/export.h> 00023 00024 #include <vector> 00025 00026 #include <geos/geomgraph/EdgeRing.h> // for inheritance 00027 00028 // Forward declarations 00029 namespace geos { 00030 namespace geom { 00031 class GeometryFactory; 00032 } 00033 namespace geomgraph { 00034 class DirectedEdge; 00035 //class EdgeRing; 00036 } 00037 namespace operation { 00038 namespace overlay { 00039 class MinimalEdgeRing; 00040 } 00041 } 00042 } 00043 00044 namespace geos { 00045 namespace operation { // geos::operation 00046 namespace overlay { // geos::operation::overlay 00047 00066 class GEOS_DLL MaximalEdgeRing: public geomgraph::EdgeRing { 00067 00068 public: 00069 00070 MaximalEdgeRing(geomgraph::DirectedEdge *start, 00071 const geom::GeometryFactory *geometryFactory); 00072 // throw(const TopologyException &) 00073 00074 virtual ~MaximalEdgeRing(); 00075 00076 geomgraph::DirectedEdge* getNext(geomgraph::DirectedEdge *de); 00077 00078 void setEdgeRing(geomgraph::DirectedEdge* de, geomgraph::EdgeRing* er); 00079 00086 std::vector<MinimalEdgeRing*>* buildMinimalRings(); 00087 00092 void buildMinimalRings(std::vector<MinimalEdgeRing*>& minEdgeRings); 00093 void buildMinimalRings(std::vector<EdgeRing*>& minEdgeRings); 00094 00099 void linkDirectedEdgesForMinimalEdgeRings(); 00100 }; 00101 00102 00103 } // namespace geos::operation::overlay 00104 } // namespace geos::operation 00105 } // namespace geos 00106 00107 #endif // ndef GEOS_OP_OVERLAY_MAXIMALEDGERING_H