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Edge.h

00001 /**********************************************************************
00002  * $Id: Edge.h 2556 2009-06-06 22:22:28Z strk $
00003  *
00004  * GEOS - Geometry Engine Open Source
00005  * http://geos.refractions.net
00006  *
00007  * Copyright (C) 2001-2002 Vivid Solutions Inc.
00008  * Copyright (C) 2005-2006 Refractions Research 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 #ifndef GEOS_PLANARGRAPH_EDGE_H
00018 #define GEOS_PLANARGRAPH_EDGE_H
00019 
00020 #include <geos/export.h>
00021 
00022 #include <geos/planargraph/GraphComponent.h> // for inheritance
00023 
00024 #include <vector> // for typedefs
00025 #include <set> // for typedefs
00026 #include <iosfwd> // ostream
00027 
00028 // Forward declarations
00029 namespace geos {
00030         namespace planargraph { 
00031                 class DirectedEdgeStar;
00032                 class DirectedEdge;
00033                 class Edge;
00034                 class Node;
00035         }
00036 }
00037 
00038 namespace geos {
00039 namespace planargraph { // geos.planargraph
00040 
00050 class GEOS_DLL Edge: public GraphComponent {
00051 
00052 public:
00053 
00054         friend std::ostream& operator<< (std::ostream& os, const Node&);
00055 
00057         typedef std::set<const Edge *> ConstSet;
00058 
00060         typedef std::set<Edge *> NonConstSet;
00061 
00063         typedef std::vector<Edge *> NonConstVect;
00064 
00066         typedef std::vector<const Edge *> ConstVect;
00067 
00068 protected:
00069 
00071         std::vector<DirectedEdge*> dirEdge;
00072 
00079 public:
00080 
00088         Edge(): dirEdge() {}
00089 
00096         Edge(DirectedEdge *de0, DirectedEdge *de1)
00097                 :
00098                 dirEdge()
00099         {
00100                 setDirectedEdges(de0, de1);
00101         }
00102 
00110         void setDirectedEdges(DirectedEdge *de0, DirectedEdge *de1);
00111 
00116         DirectedEdge* getDirEdge(int i);
00117 
00123         DirectedEdge* getDirEdge(Node *fromNode);
00124 
00129         Node* getOppositeNode(Node *node);
00130 };
00131 
00133 std::ostream& operator<<(std::ostream& os, const Edge& n); 
00134 
00135 
00136 
00138 //typedef Edge planarEdge;
00139 
00140 } // namespace geos::planargraph
00141 } // namespace geos
00142 
00143 #endif // GEOS_PLANARGRAPH_EDGE_H
00144 
00145 /**********************************************************************
00146  * $Log$
00147  * Revision 1.1  2006/03/21 21:42:54  strk
00148  * planargraph.h header split, planargraph:: classes renamed to match JTS symbols
00149  *
00150  **********************************************************************/
00151 

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