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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 2557 2009-06-08 09:30:55Z 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) 2005-2006 Refractions Research Inc.</span>
<a name="l00008"></a>00008 <span class="comment"> * Copyright (C) 2001-2002 Vivid Solutions 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 <span class="comment"> *</span>
<a name="l00017"></a>00017 <span class="comment"> * Last port: geomgraph/DirectedEdge.java rev. 1.5 (JTS-1.10)</span>
<a name="l00018"></a>00018 <span class="comment"> *</span>
<a name="l00019"></a>00019 <span class="comment"> **********************************************************************/</span>
<a name="l00020"></a>00020
<a name="l00021"></a>00021
<a name="l00022"></a>00022 <span class="preprocessor">#ifndef GEOS_GEOMGRAPH_DIRECTEDEDGE_H</span>
<a name="l00023"></a>00023 <span class="preprocessor"></span><span class="preprocessor">#define GEOS_GEOMGRAPH_DIRECTEDEDGE_H</span>
<a name="l00024"></a>00024 <span class="preprocessor"></span>
<a name="l00025"></a>00025 <span class="preprocessor">#include <geos/export.h></span>
<a name="l00026"></a>00026 <span class="preprocessor">#include <string></span>
<a name="l00027"></a>00027
<a name="l00028"></a>00028 <span class="preprocessor">#include <geos/geomgraph/EdgeEnd.h></span> <span class="comment">// for inheritance</span>
<a name="l00029"></a>00029
<a name="l00030"></a>00030 <span class="preprocessor">#include <geos/inline.h></span>
<a name="l00031"></a>00031
<a name="l00032"></a>00032 <span class="comment">// Forward declarations</span>
<a name="l00033"></a>00033 <span class="keyword">namespace </span>geos {
<a name="l00034"></a>00034 <span class="keyword">namespace </span>geomgraph {
<a name="l00035"></a>00035 <span class="keyword">class </span>Edge;
<a name="l00036"></a>00036 <span class="keyword">class </span>EdgeRing;
<a name="l00037"></a>00037 }
<a name="l00038"></a>00038 }
<a name="l00039"></a>00039
<a name="l00040"></a>00040 <span class="keyword">namespace </span>geos {
<a name="l00041"></a>00041 <span class="keyword">namespace </span>geomgraph { <span class="comment">// geos.geomgraph</span>
<a name="l00042"></a>00042
<a name="l00044"></a><a class="code" href="classgeos_1_1geomgraph_1_1DirectedEdge.html">00044</a> <span class="keyword">class </span>GEOS_DLL <a class="code" href="classgeos_1_1geomgraph_1_1DirectedEdge.html" title="A directed EdgeEnd.">DirectedEdge</a>: <span class="keyword">public</span> <a class="code" href="classgeos_1_1geomgraph_1_1EdgeEnd.html" title="Models the end of an edge incident on a node.">EdgeEnd</a> {
<a name="l00045"></a>00045
<a name="l00046"></a>00046 <span class="keyword">public</span>:
<a name="l00047"></a>00047
<a name="l00054"></a>00054 <span class="keyword">static</span> <span class="keywordtype">int</span> depthFactor(<span class="keywordtype">int</span> currLocation, <span class="keywordtype">int</span> nextLocation);
<a name="l00055"></a>00055
<a name="l00056"></a>00056 <span class="comment">//DirectedEdge(); </span>
<a name="l00057"></a>00057 <span class="comment">//virtual ~DirectedEdge(); </span>
<a name="l00058"></a>00058
<a name="l00059"></a>00059 <a class="code" href="classgeos_1_1geomgraph_1_1DirectedEdge.html" title="A directed EdgeEnd.">DirectedEdge</a>(Edge *newEdge, <span class="keywordtype">bool</span> newIsForward);
<a name="l00060"></a>00060
<a name="l00061"></a>00061 <span class="comment">// this is no different from Base class, no need to override</span>
<a name="l00062"></a>00062 <span class="comment">//Edge* getEdge();</span>
<a name="l00063"></a>00063
<a name="l00064"></a>00064 <span class="keywordtype">void</span> setInResult(<span class="keywordtype">bool</span> newIsInResult);
<a name="l00065"></a>00065
<a name="l00066"></a>00066 <span class="keywordtype">bool</span> isInResult();
<a name="l00067"></a>00067
<a name="l00068"></a>00068 <span class="keywordtype">bool</span> isVisited();
<a name="l00069"></a>00069
<a name="l00070"></a>00070 <span class="keywordtype">void</span> setVisited(<span class="keywordtype">bool</span> newIsVisited);
<a name="l00071"></a>00071
<a name="l00072"></a>00072 <span class="keywordtype">void</span> setEdgeRing(EdgeRing *newEdgeRing);
<a name="l00073"></a>00073
<a name="l00074"></a>00074 EdgeRing* getEdgeRing();
<a name="l00075"></a>00075
<a name="l00076"></a>00076 <span class="keywordtype">void</span> setMinEdgeRing(EdgeRing *newMinEdgeRing);
<a name="l00077"></a>00077
<a name="l00078"></a>00078 EdgeRing* getMinEdgeRing();
<a name="l00079"></a>00079
<a name="l00080"></a>00080 <span class="keywordtype">int</span> getDepth(<span class="keywordtype">int</span> position);
<a name="l00081"></a>00081
<a name="l00082"></a>00082 <span class="keywordtype">void</span> setDepth(<span class="keywordtype">int</span> position, <span class="keywordtype">int</span> newDepth);
<a name="l00083"></a>00083
<a name="l00084"></a>00084 <span class="keywordtype">int</span> getDepthDelta();
<a name="l00085"></a>00085
<a name="l00087"></a>00087 <span class="comment">//</span>
<a name="l00091"></a>00091 <span class="comment"></span> <span class="keywordtype">void</span> setVisitedEdge(<span class="keywordtype">bool</span> newIsVisited);
<a name="l00092"></a>00092
<a name="l00093"></a>00093
<a name="l00101"></a>00101 <a class="code" href="classgeos_1_1geomgraph_1_1DirectedEdge.html" title="A directed EdgeEnd.">DirectedEdge</a>* getSym();
<a name="l00102"></a>00102
<a name="l00103"></a>00103 <span class="keywordtype">bool</span> isForward();
<a name="l00104"></a>00104
<a name="l00105"></a>00105 <span class="keywordtype">void</span> setSym(<a class="code" href="classgeos_1_1geomgraph_1_1DirectedEdge.html" title="A directed EdgeEnd.">DirectedEdge</a> *de);
<a name="l00106"></a>00106
<a name="l00107"></a>00107 <a class="code" href="classgeos_1_1geomgraph_1_1DirectedEdge.html" title="A directed EdgeEnd.">DirectedEdge</a>* getNext();
<a name="l00108"></a>00108
<a name="l00109"></a>00109 <span class="keywordtype">void</span> setNext(<a class="code" href="classgeos_1_1geomgraph_1_1DirectedEdge.html" title="A directed EdgeEnd.">DirectedEdge</a> *newNext);
<a name="l00110"></a>00110
<a name="l00111"></a>00111 <a class="code" href="classgeos_1_1geomgraph_1_1DirectedEdge.html" title="A directed EdgeEnd.">DirectedEdge</a>* getNextMin();
<a name="l00112"></a>00112
<a name="l00113"></a>00113 <span class="keywordtype">void</span> setNextMin(<a class="code" href="classgeos_1_1geomgraph_1_1DirectedEdge.html" title="A directed EdgeEnd.">DirectedEdge</a> *newNextMin);
<a name="l00114"></a>00114
<a name="l00123"></a>00123 <span class="keywordtype">bool</span> isLineEdge();
<a name="l00124"></a>00124
<a name="l00134"></a>00134 <span class="keywordtype">bool</span> isInteriorAreaEdge();
<a name="l00135"></a>00135
<a name="l00143"></a>00143 <span class="keywordtype">void</span> setEdgeDepths(<span class="keywordtype">int</span> position, <span class="keywordtype">int</span> newDepth);
<a name="l00144"></a>00144
<a name="l00145"></a>00145 std::string print();
<a name="l00146"></a>00146
<a name="l00147"></a>00147 std::string printEdge();
<a name="l00148"></a>00148
<a name="l00149"></a>00149 <span class="keyword">protected</span>:
<a name="l00150"></a>00150
<a name="l00151"></a>00151 <span class="keywordtype">bool</span> isForwardVar;
<a name="l00152"></a>00152
<a name="l00153"></a>00153 <span class="keyword">private</span>:
<a name="l00154"></a>00154
<a name="l00155"></a>00155 <span class="keywordtype">bool</span> isInResultVar;
<a name="l00156"></a>00156
<a name="l00157"></a>00157 <span class="keywordtype">bool</span> isVisitedVar;
<a name="l00158"></a>00158
<a name="l00160"></a>00160 <a class="code" href="classgeos_1_1geomgraph_1_1DirectedEdge.html" title="A directed EdgeEnd.">DirectedEdge</a> *sym;
<a name="l00161"></a>00161
<a name="l00163"></a>00163 <a class="code" href="classgeos_1_1geomgraph_1_1DirectedEdge.html" title="A directed EdgeEnd.">DirectedEdge</a> *next;
<a name="l00164"></a>00164
<a name="l00166"></a>00166 <a class="code" href="classgeos_1_1geomgraph_1_1DirectedEdge.html" title="A directed EdgeEnd.">DirectedEdge</a> *nextMin;
<a name="l00167"></a>00167
<a name="l00169"></a>00169 EdgeRing *edgeRing;
<a name="l00170"></a>00170
<a name="l00172"></a>00172 EdgeRing *minEdgeRing;
<a name="l00173"></a>00173
<a name="l00178"></a>00178 <span class="keywordtype">int</span> depth[3];
<a name="l00179"></a>00179
<a name="l00181"></a>00181 <span class="keywordtype">void</span> computeDirectedLabel();
<a name="l00182"></a>00182 };
<a name="l00183"></a>00183
<a name="l00184"></a>00184 } <span class="comment">// namespace geos.geomgraph</span>
<a name="l00185"></a>00185 } <span class="comment">// namespace geos</span>
<a name="l00186"></a>00186
<a name="l00187"></a>00187 <span class="preprocessor">#ifdef GEOS_INLINE</span>
<a name="l00188"></a>00188 <span class="preprocessor"></span><span class="preprocessor"># include "geos/geomgraph/DirectedEdge.inl"</span>
<a name="l00189"></a>00189 <span class="preprocessor">#endif</span>
<a name="l00190"></a>00190 <span class="preprocessor"></span>
<a name="l00191"></a>00191 <span class="preprocessor">#endif // ifndef GEOS_GEOMGRAPH_DIRECTEDEDGE_H</span>
<a name="l00192"></a>00192 <span class="preprocessor"></span>
<a name="l00193"></a>00193 <span class="comment">/**********************************************************************</span>
<a name="l00194"></a>00194 <span class="comment"> * $Log$</span>
<a name="l00195"></a>00195 <span class="comment"> * Revision 1.5 2006/06/14 14:32:20 strk</span>
<a name="l00196"></a>00196 <span class="comment"> * EdgeEnd::getEdge() made non-virtual and inlined.</span>
<a name="l00197"></a>00197 <span class="comment"> *</span>
<a name="l00198"></a>00198 <span class="comment"> * Revision 1.4 2006/05/04 13:38:13 strk</span>
<a name="l00199"></a>00199 <span class="comment"> * doxygen comments cleanup</span>
<a name="l00200"></a>00200 <span class="comment"> *</span>
<a name="l00201"></a>00201 <span class="comment"> * Revision 1.3 2006/03/24 09:52:41 strk</span>
<a name="l00202"></a>00202 <span class="comment"> * USE_INLINE => GEOS_INLINE</span>
<a name="l00203"></a>00203 <span class="comment"> *</span>
<a name="l00204"></a>00204 <span class="comment"> * Revision 1.2 2006/03/15 15:27:23 strk</span>
<a name="l00205"></a>00205 <span class="comment"> * cleanups</span>
<a name="l00206"></a>00206 <span class="comment"> *</span>
<a name="l00207"></a>00207 <span class="comment"> * Revision 1.1 2006/03/09 16:46:49 strk</span>
<a name="l00208"></a>00208 <span class="comment"> * geos::geom namespace definition, first pass at headers split</span>
<a name="l00209"></a>00209 <span class="comment"> *</span>
<a name="l00210"></a>00210 <span class="comment"> **********************************************************************/</span>
<a name="l00211"></a>00211
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