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<h1>DirectedEdge.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: DirectedEdge.h 2556 2009-06-06 22:22:28Z strk $</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_DIRECTEDEDGE_H</span>
<a name="l00018"></a>00018 <span class="preprocessor"></span><span class="preprocessor">#define GEOS_PLANARGRAPH_DIRECTEDEDGE_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/GraphComponent.h></span> <span class="comment">// for inheritance</span>
<a name="l00022"></a>00022 <span class="preprocessor">#include <geos/geom/Coordinate.h></span> <span class="comment">// for composition</span>
<a name="l00023"></a>00023
<a name="l00024"></a>00024 <span class="preprocessor">#include <vector></span> <span class="comment">// for typedefs</span>
<a name="l00025"></a>00025 <span class="preprocessor">#include <list></span> <span class="comment">// for typedefs</span>
<a name="l00026"></a>00026
<a name="l00027"></a>00027 <span class="comment">// Forward declarations</span>
<a name="l00028"></a>00028 <span class="keyword">namespace </span>geos {
<a name="l00029"></a>00029 <span class="keyword">namespace </span>planargraph {
<a name="l00030"></a>00030 <span class="keyword">class </span>Edge;
<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>00037
<a name="l00047"></a><a class="code" href="classgeos_1_1planargraph_1_1DirectedEdge.html">00047</a> <span class="keyword">class </span>GEOS_DLL <a class="code" href="classgeos_1_1planargraph_1_1DirectedEdge.html" title="Represents a directed edge in a PlanarGraph.">DirectedEdge</a>: <span class="keyword">public</span> <a class="code" href="classgeos_1_1planargraph_1_1GraphComponent.html" title="The base class for all graph component classes.">GraphComponent</a> {
<a name="l00048"></a>00048
<a name="l00049"></a>00049 <span class="keyword">public</span>:
<a name="l00050"></a>00050
<a name="l00051"></a>00051 <span class="keyword">typedef</span> std::list<DirectedEdge *> NonConstList;
<a name="l00052"></a>00052 <span class="keyword">typedef</span> std::list<const DirectedEdge *> ConstList;
<a name="l00053"></a>00053 <span class="keyword">typedef</span> std::vector<DirectedEdge *> NonConstVect;
<a name="l00054"></a>00054
<a name="l00055"></a>00055 <span class="keyword">protected</span>:
<a name="l00056"></a>00056 <a class="code" href="classgeos_1_1planargraph_1_1Edge.html" title="Represents an undirected edge of a PlanarGraph.">Edge</a>* parentEdge;
<a name="l00057"></a>00057 <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>* from;
<a name="l00058"></a>00058 <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>* to;
<a name="l00059"></a>00059 <a class="code" href="classgeos_1_1geom_1_1Coordinate.html" title="Coordinate is the lightweight class used to store coordinates.">geom::Coordinate</a> p0, p1;
<a name="l00060"></a>00060 <a class="code" href="classgeos_1_1planargraph_1_1DirectedEdge.html" title="Represents a directed edge in a PlanarGraph.">DirectedEdge</a>* sym; <span class="comment">// optional</span>
<a name="l00061"></a>00061 <span class="keywordtype">bool</span> edgeDirection;
<a name="l00062"></a>00062 <span class="keywordtype">int</span> quadrant;
<a name="l00063"></a>00063 <span class="keywordtype">double</span> angle;
<a name="l00064"></a>00064 <span class="keyword">public</span>:
<a name="l00065"></a>00065
<a name="l00066"></a>00066 <span class="keyword">typedef</span> std::vector<const DirectedEdge *> ConstVect;
<a name="l00067"></a>00067 <span class="keyword">typedef</span> std::vector<DirectedEdge *> Vect;
<a name="l00068"></a>00068
<a name="l00078"></a>00078 <span class="keyword">static</span> std::vector<Edge*>* toEdges(
<a name="l00079"></a>00079 std::vector<DirectedEdge*>& dirEdges);
<a name="l00080"></a>00080
<a name="l00089"></a>00089 <span class="keyword">static</span> <span class="keywordtype">void</span> toEdges( std::vector<DirectedEdge*>& dirEdges,
<a name="l00090"></a>00090 std::vector<Edge*>& parentEdges);
<a name="l00091"></a>00091
<a name="l00104"></a>00104 <a class="code" href="classgeos_1_1planargraph_1_1DirectedEdge.html" title="Represents a directed edge in a PlanarGraph.">DirectedEdge</a>(<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> *newFrom, <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> *newTo,
<a name="l00105"></a>00105 <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html" title="Coordinate is the lightweight class used to store coordinates.">geom::Coordinate</a> &directionPt,
<a name="l00106"></a>00106 <span class="keywordtype">bool</span> newEdgeDirection);
<a name="l00107"></a>00107
<a name="l00112"></a>00112 <a class="code" href="classgeos_1_1planargraph_1_1Edge.html" title="Represents an undirected edge of a PlanarGraph.">Edge</a>* getEdge() <span class="keyword">const</span>;
<a name="l00113"></a>00113
<a name="l00118"></a>00118 <span class="keywordtype">void</span> setEdge(<a class="code" href="classgeos_1_1planargraph_1_1Edge.html" title="Represents an undirected edge of a PlanarGraph.">Edge</a>* newParentEdge);
<a name="l00119"></a>00119
<a name="l00124"></a>00124 <span class="keywordtype">int</span> getQuadrant() <span class="keyword">const</span>;
<a name="l00125"></a>00125
<a name="l00130"></a>00130 <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html" title="Coordinate is the lightweight class used to store coordinates.">geom::Coordinate</a>& getDirectionPt() <span class="keyword">const</span>;
<a name="l00131"></a>00131
<a name="l00136"></a>00136 <span class="keywordtype">bool</span> getEdgeDirection() <span class="keyword">const</span>;
<a name="l00137"></a>00137
<a name="l00141"></a>00141 <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>* getFromNode() <span class="keyword">const</span>;
<a name="l00142"></a>00142
<a name="l00146"></a>00146 <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>* getToNode() <span class="keyword">const</span>;
<a name="l00147"></a>00147
<a name="l00152"></a>00152 <a class="code" href="classgeos_1_1geom_1_1Coordinate.html" title="Coordinate is the lightweight class used to store coordinates.">geom::Coordinate</a>& getCoordinate() <span class="keyword">const</span>;
<a name="l00153"></a>00153
<a name="l00159"></a>00159 <span class="keywordtype">double</span> getAngle() <span class="keyword">const</span>;
<a name="l00160"></a>00160
<a name="l00166"></a>00166 <a class="code" href="classgeos_1_1planargraph_1_1DirectedEdge.html" title="Represents a directed edge in a PlanarGraph.">DirectedEdge</a>* getSym() <span class="keyword">const</span>;
<a name="l00167"></a>00167
<a name="l00173"></a>00173 <span class="keywordtype">void</span> setSym(<a class="code" href="classgeos_1_1planargraph_1_1DirectedEdge.html" title="Represents a directed edge in a PlanarGraph.">DirectedEdge</a> *newSym);
<a name="l00174"></a>00174
<a name="l00194"></a>00194 <span class="keywordtype">int</span> compareTo(<span class="keyword">const</span> <a class="code" href="classgeos_1_1planargraph_1_1DirectedEdge.html" title="Represents a directed edge in a PlanarGraph.">DirectedEdge</a>* obj) <span class="keyword">const</span>;
<a name="l00195"></a>00195
<a name="l00215"></a>00215 <span class="keywordtype">int</span> compareDirection(<span class="keyword">const</span> <a class="code" href="classgeos_1_1planargraph_1_1DirectedEdge.html" title="Represents a directed edge in a PlanarGraph.">DirectedEdge</a> *e) <span class="keyword">const</span>;
<a name="l00216"></a>00216
<a name="l00222"></a>00222 std::string print() <span class="keyword">const</span>;
<a name="l00223"></a>00223
<a name="l00224"></a>00224 };
<a name="l00225"></a>00225
<a name="l00227"></a>00227 <span class="keywordtype">bool</span> <a class="code" href="namespacegeos_1_1planargraph.html#a61c3e6d9a0fa669d1cca584030f92c68" title="Strict Weak comparator function for containers.">pdeLessThan</a>(<a class="code" href="classgeos_1_1planargraph_1_1DirectedEdge.html" title="Represents a directed edge in a PlanarGraph.">DirectedEdge</a> *first, <a class="code" href="classgeos_1_1planargraph_1_1DirectedEdge.html" title="Represents a directed edge in a PlanarGraph.">DirectedEdge</a> * second);
<a name="l00228"></a>00228
<a name="l00229"></a>00229
<a name="l00230"></a>00230
<a name="l00231"></a>00231 } <span class="comment">// namespace geos::planargraph</span>
<a name="l00232"></a>00232 } <span class="comment">// namespace geos</span>
<a name="l00233"></a>00233
<a name="l00234"></a>00234 <span class="preprocessor">#endif // GEOS_PLANARGRAPH_DIRECTEDEDGE_H</span>
<a name="l00235"></a>00235 <span class="preprocessor"></span>
<a name="l00236"></a>00236 <span class="comment">/**********************************************************************</span>
<a name="l00237"></a>00237 <span class="comment"> * $Log$</span>
<a name="l00238"></a>00238 <span class="comment"> * Revision 1.2 2006/06/12 15:46:08 strk</span>
<a name="l00239"></a>00239 <span class="comment"> * provided a memory friendly version of toEdges() method.</span>
<a name="l00240"></a>00240 <span class="comment"> *</span>
<a name="l00241"></a>00241 <span class="comment"> * Revision 1.1 2006/03/21 21:42:54 strk</span>
<a name="l00242"></a>00242 <span class="comment"> * planargraph.h header split, planargraph:: classes renamed to match JTS symbols</span>
<a name="l00243"></a>00243 <span class="comment"> *</span>
<a name="l00244"></a>00244 <span class="comment"> **********************************************************************/</span>
<a name="l00245"></a>00245
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