Edge.h

00001 /**********************************************************************
00002  * $Id: Edge.h 1820 2006-09-06 16:54:23Z mloskot $
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/planargraph/GraphComponent.h> // for inheritance
00021 
00022 #include <vector> // for typedefs
00023 #include <set> // for typedefs
00024 #include <iosfwd> // ostream
00025 
00026 // Forward declarations
00027 namespace geos {
00028         namespace planargraph { 
00029                 class DirectedEdgeStar;
00030                 class DirectedEdge;
00031                 class Edge;
00032                 class Node;
00033         }
00034 }
00035 
00036 namespace geos {
00037 namespace planargraph { // geos.planargraph
00038 
00048 class Edge: public GraphComponent {
00049 
00050 public:
00051 
00052         friend std::ostream& operator<< (std::ostream& os, const Node&);
00053 
00055         typedef std::set<const Edge *> ConstSet;
00056 
00058         typedef std::set<Edge *> NonConstSet;
00059 
00061         typedef std::vector<Edge *> NonConstVect;
00062 
00064         typedef std::vector<const Edge *> ConstVect;
00065 
00066 protected:
00067 
00069         std::vector<DirectedEdge*> dirEdge;
00070 
00077 public:
00078 
00086         Edge(): dirEdge() {}
00087 
00094         Edge(DirectedEdge *de0, DirectedEdge *de1)
00095                 :
00096                 dirEdge()
00097         {
00098                 setDirectedEdges(de0, de1);
00099         }
00100 
00108         void setDirectedEdges(DirectedEdge *de0, DirectedEdge *de1);
00109 
00114         DirectedEdge* getDirEdge(int i);
00115 
00121         DirectedEdge* getDirEdge(Node *fromNode);
00122 
00127         Node* getOppositeNode(Node *node);
00128 };
00129 
00131 std::ostream& operator<<(std::ostream& os, const Edge& n); 
00132 
00133 
00134 
00136 //typedef Edge planarEdge;
00137 
00138 } // namespace geos::planargraph
00139 } // namespace geos
00140 
00141 #endif // GEOS_PLANARGRAPH_EDGE_H
00142 
00143 /**********************************************************************
00144  * $Log$
00145  * Revision 1.1  2006/03/21 21:42:54  strk
00146  * planargraph.h header split, planargraph:: classes renamed to match JTS symbols
00147  *
00148  **********************************************************************/
00149 

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