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/**********************************************************************
* $Id: Subgraph.cpp 1820 2006-09-06 16:54:23Z mloskot $
*
* GEOS - Geometry Engine Open Source
* http://geos.refractions.net
*
* Copyright (C) 2006 Refractions Research Inc.
*
* This is free software; you can redistribute and/or modify it under
* the terms of the GNU Lesser General Licence as published
* by the Free Software Foundation.
* See the COPYING file for more information.
*
* Last port: planargraph/Subgraph.java rev. 1.3 (JTS-1.7)
*
**********************************************************************/
#include <geos/planargraph/Subgraph.h>
#include <geos/planargraph/Edge.h>
#include <geos/planargraph/DirectedEdge.h>
#include <utility>
#include <vector>
using namespace std;
namespace geos {
namespace planargraph {
pair<Edge::NonConstSet::iterator, bool>
Subgraph::add(Edge *e)
{
pair<Edge::NonConstSet::iterator,bool> p = edges.insert(e);
if (!p.second) return p;
dirEdges.push_back(e->getDirEdge(0));
dirEdges.push_back(e->getDirEdge(1));
nodeMap.add(e->getDirEdge(0)->getFromNode());
nodeMap.add(e->getDirEdge(1)->getFromNode());
return p;
}
} // namespace planargraph
} // namespace geos
/**********************************************************************
* $Log$
* Revision 1.1 2006/03/21 21:42:54 strk
* planargraph.h header split, planargraph:: classes renamed to match JTS symbols
*
**********************************************************************/
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