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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