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<h1>ConnectedSubgraphFinder.h</h1> </div>
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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/**********************************************************************</span>
<a name="l00002"></a>00002 <span class="comment"> * $Id: ConnectedSubgraphFinder.h 2783 2009-12-03 19:51:16Z mloskot $</span>
<a name="l00003"></a>00003 <span class="comment"> *</span>
<a name="l00004"></a>00004 <span class="comment"> * GEOS - Geometry Engine Open Source</span>
<a name="l00005"></a>00005 <span class="comment"> * http://geos.refractions.net</span>
<a name="l00006"></a>00006 <span class="comment"> *</span>
<a name="l00007"></a>00007 <span class="comment"> * Copyright (C) 2001-2002 Vivid Solutions Inc.</span>
<a name="l00008"></a>00008 <span class="comment"> * Copyright (C) 2005-2006 Refractions Research Inc.</span>
<a name="l00009"></a>00009 <span class="comment"> *</span>
<a name="l00010"></a>00010 <span class="comment"> * This is free software; you can redistribute and/or modify it under</span>
<a name="l00011"></a>00011 <span class="comment"> * the terms of the GNU Lesser General Public Licence as published</span>
<a name="l00012"></a>00012 <span class="comment"> * by the Free Software Foundation. </span>
<a name="l00013"></a>00013 <span class="comment"> * See the COPYING file for more information.</span>
<a name="l00014"></a>00014 <span class="comment"> *</span>
<a name="l00015"></a>00015 <span class="comment"> **********************************************************************/</span>
<a name="l00016"></a>00016
<a name="l00017"></a>00017 <span class="preprocessor">#ifndef GEOS_PLANARGRAPH_ALGO_CONNECTEDSUBGRAPHFINDER_H</span>
<a name="l00018"></a>00018 <span class="preprocessor"></span><span class="preprocessor">#define GEOS_PLANARGRAPH_ALGO_CONNECTEDSUBGRAPHFINDER_H</span>
<a name="l00019"></a>00019 <span class="preprocessor"></span>
<a name="l00020"></a>00020 <span class="preprocessor">#include <geos/export.h></span>
<a name="l00021"></a>00021 <span class="preprocessor">#include <geos/planargraph/PlanarGraph.h></span> <span class="comment">// for inlines</span>
<a name="l00022"></a>00022
<a name="l00023"></a>00023 <span class="preprocessor">#include <stack></span>
<a name="l00024"></a>00024 <span class="preprocessor">#include <vector></span>
<a name="l00025"></a>00025
<a name="l00026"></a>00026 <span class="comment">// Forward declarations</span>
<a name="l00027"></a>00027 <span class="keyword">namespace </span>geos {
<a name="l00028"></a>00028 <span class="keyword">namespace </span>planargraph {
<a name="l00029"></a>00029 <span class="keyword">class </span>PlanarGraph;
<a name="l00030"></a>00030 <span class="keyword">class </span>Subgraph;
<a name="l00031"></a>00031 <span class="keyword">class </span>Node;
<a name="l00032"></a>00032 }
<a name="l00033"></a>00033 }
<a name="l00034"></a>00034
<a name="l00035"></a>00035 <span class="keyword">namespace </span>geos {
<a name="l00036"></a>00036 <span class="keyword">namespace </span>planargraph { <span class="comment">// geos::planargraph</span>
<a name="l00037"></a><a class="code" href="namespacegeos_1_1planargraph_1_1algorithm.html">00037</a> <span class="keyword">namespace </span>algorithm { <span class="comment">// geos::planargraph::algorithm</span>
<a name="l00038"></a>00038
<a name="l00044"></a><a class="code" href="classgeos_1_1planargraph_1_1algorithm_1_1ConnectedSubgraphFinder.html">00044</a> <span class="keyword">class </span>GEOS_DLL <a class="code" href="classgeos_1_1planargraph_1_1algorithm_1_1ConnectedSubgraphFinder.html" title="Finds all connected Subgraphs of a PlanarGraph.">ConnectedSubgraphFinder</a>
<a name="l00045"></a>00045 {
<a name="l00046"></a>00046 <span class="keyword">public</span>:
<a name="l00047"></a>00047
<a name="l00048"></a>00048 <a class="code" href="classgeos_1_1planargraph_1_1algorithm_1_1ConnectedSubgraphFinder.html" title="Finds all connected Subgraphs of a PlanarGraph.">ConnectedSubgraphFinder</a>(<a class="code" href="classgeos_1_1planargraph_1_1PlanarGraph.html" title="Represents a directed graph which is embeddable in a planar surface.">PlanarGraph</a>& newGraph)
<a name="l00049"></a>00049 :
<a name="l00050"></a>00050 graph(newGraph)
<a name="l00051"></a>00051 {}
<a name="l00052"></a>00052
<a name="l00061"></a>00061 <span class="keywordtype">void</span> getConnectedSubgraphs(std::vector<Subgraph *>& dest);
<a name="l00062"></a>00062
<a name="l00063"></a>00063 <span class="keyword">private</span>:
<a name="l00064"></a>00064
<a name="l00065"></a>00065 <a class="code" href="classgeos_1_1planargraph_1_1PlanarGraph.html" title="Represents a directed graph which is embeddable in a planar surface.">PlanarGraph</a>& graph;
<a name="l00066"></a>00066
<a name="l00068"></a>00068 <a class="code" href="classgeos_1_1planargraph_1_1Subgraph.html" title="A subgraph of a PlanarGraph.">Subgraph</a>* findSubgraph(<a class="code" href="classgeos_1_1planargraph_1_1Node.html" title="A node in a PlanarGraph is a location where 0 or more Edge meet.">Node</a>* node);
<a name="l00069"></a>00069
<a name="l00070"></a>00070
<a name="l00077"></a>00077 <span class="keywordtype">void</span> addReachable(<a class="code" href="classgeos_1_1planargraph_1_1Node.html" title="A node in a PlanarGraph is a location where 0 or more Edge meet.">Node</a>* node, <a class="code" href="classgeos_1_1planargraph_1_1Subgraph.html" title="A subgraph of a PlanarGraph.">Subgraph</a>* subgraph);
<a name="l00078"></a>00078
<a name="l00084"></a>00084 <span class="keywordtype">void</span> addEdges(<a class="code" href="classgeos_1_1planargraph_1_1Node.html" title="A node in a PlanarGraph is a location where 0 or more Edge meet.">Node</a>* node, std::stack<Node *>& nodeStack,
<a name="l00085"></a>00085 <a class="code" href="classgeos_1_1planargraph_1_1Subgraph.html" title="A subgraph of a PlanarGraph.">Subgraph</a>* subgraph);
<a name="l00086"></a>00086
<a name="l00087"></a>00087 <span class="comment">// Declare type as noncopyable</span>
<a name="l00088"></a>00088 <a class="code" href="classgeos_1_1planargraph_1_1algorithm_1_1ConnectedSubgraphFinder.html" title="Finds all connected Subgraphs of a PlanarGraph.">ConnectedSubgraphFinder</a>(<span class="keyword">const</span> <a class="code" href="classgeos_1_1planargraph_1_1algorithm_1_1ConnectedSubgraphFinder.html" title="Finds all connected Subgraphs of a PlanarGraph.">ConnectedSubgraphFinder</a>& other);
<a name="l00089"></a>00089 <a class="code" href="classgeos_1_1planargraph_1_1algorithm_1_1ConnectedSubgraphFinder.html" title="Finds all connected Subgraphs of a PlanarGraph.">ConnectedSubgraphFinder</a>& operator=(<span class="keyword">const</span> <a class="code" href="classgeos_1_1planargraph_1_1algorithm_1_1ConnectedSubgraphFinder.html" title="Finds all connected Subgraphs of a PlanarGraph.">ConnectedSubgraphFinder</a>& rhs);
<a name="l00090"></a>00090 };
<a name="l00091"></a>00091
<a name="l00092"></a>00092 } <span class="comment">// namespace geos::planargraph::algorithm</span>
<a name="l00093"></a>00093 } <span class="comment">// namespace geos::planargraph</span>
<a name="l00094"></a>00094 } <span class="comment">// namespace geos</span>
<a name="l00095"></a>00095
<a name="l00096"></a>00096 <span class="preprocessor">#endif // GEOS_PLANARGRAPH_ALGO_CONNECTEDSUBGRAPHFINDER_H</span>
<a name="l00097"></a>00097 <span class="preprocessor"></span>
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