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class="header"> <div class="headertitle"> <div class="title">BufferSubgraph.h</div> </div> </div><!--header--> <div class="contents"> <div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/**********************************************************************</span></div> <div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> *</span></div> <div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * GEOS - Geometry Engine Open Source</span></div> <div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * http://geos.osgeo.org</span></div> <div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> *</span></div> <div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * Copyright (C) 2006 Refractions Research Inc.</span></div> <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> *</span></div> <div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * This is free software; you can redistribute and/or modify it under</span></div> <div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * the terms of the GNU Lesser General Public Licence as published</span></div> <div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * by the Free Software Foundation. </span></div> <div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * See the COPYING file for more information.</span></div> <div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> *</span></div> <div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> **********************************************************************</span></div> <div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> *</span></div> <div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * Last port: operation/buffer/BufferSubgraph.java r378 (JTS-1.12)</span></div> <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> *</span></div> <div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> **********************************************************************/</span></div> <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> </div> <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#ifndef GEOS_OP_BUFFER_BUFFERSUBGRAPH_H</span></div> <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor"></span><span class="preprocessor">#define GEOS_OP_BUFFER_BUFFERSUBGRAPH_H</span></div> <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <geos/export.h></span></div> <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> </div> <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <geos/operation/buffer/RightmostEdgeFinder.h></span> <span class="comment">// for composition</span></div> <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> </div> <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <vector></span></div> <div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <set></span></div> <div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div> <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#ifdef _MSC_VER</span></div> <div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor"></span><span class="preprocessor">#pragma warning(push)</span></div> <div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor"></span><span class="preprocessor">#pragma warning(disable: 4251) // warning C4251: needs to have dll-interface to be used by clients of class</span></div> <div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div> <div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment">// Forward declarations</span></div> <div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="keyword">namespace </span>geos {</div> <div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keyword">namespace </span>geom {</div> <div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keyword">class </span>Coordinate;</div> <div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keyword">class </span>Envelope;</div> <div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  }</div> <div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keyword">namespace </span>algorithm {</div> <div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keyword">class </span>CGAlgorithms;</div> <div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  }</div> <div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keyword">namespace </span>geomgraph {</div> <div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keyword">class </span>DirectedEdge;</div> <div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keyword">class </span>Node;</div> <div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  }</div> <div class="line"><a name="l00047"></a><span class="lineno"> 47</span> }</div> <div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div> <div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="keyword">namespace </span>geos {</div> <div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="keyword">namespace </span>operation { <span class="comment">// geos.operation</span></div> <div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="keyword">namespace </span>buffer { <span class="comment">// geos.operation.buffer</span></div> <div class="line"><a name="l00052"></a><span class="lineno"> 52</span> </div> <div class="line"><a name="l00061"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1buffer_1_1BufferSubgraph.html"> 61</a></span> <span class="keyword">class </span>GEOS_DLL <a class="code" href="classgeos_1_1operation_1_1buffer_1_1BufferSubgraph.html">BufferSubgraph</a> {</div> <div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="keyword">private</span>:</div> <div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <a class="code" href="classgeos_1_1operation_1_1buffer_1_1RightmostEdgeFinder.html">RightmostEdgeFinder</a> finder;</div> <div class="line"><a name="l00064"></a><span class="lineno"> 64</span> </div> <div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  std::vector<geomgraph::DirectedEdge*> dirEdgeList;</div> <div class="line"><a name="l00066"></a><span class="lineno"> 66</span> </div> <div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  std::vector<geomgraph::Node*> nodes;</div> <div class="line"><a name="l00068"></a><span class="lineno"> 68</span> </div> <div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> *rightMostCoord;</div> <div class="line"><a name="l00070"></a><span class="lineno"> 70</span> </div> <div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <a class="code" href="classgeos_1_1geom_1_1Envelope.html">geom::Envelope</a> *env;</div> <div class="line"><a name="l00072"></a><span class="lineno"> 72</span> </div> <div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordtype">void</span> addReachable(<a class="code" href="classgeos_1_1geomgraph_1_1Node.html">geomgraph::Node</a> *startNode);</div> <div class="line"><a name="l00081"></a><span class="lineno"> 81</span> </div> <div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="comment">//</span></div> <div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="comment"></span> <span class="keywordtype">void</span> add(<a class="code" href="classgeos_1_1geomgraph_1_1Node.html">geomgraph::Node</a>* node, std::vector<geomgraph::Node*>* nodeStack);</div> <div class="line"><a name="l00088"></a><span class="lineno"> 88</span> </div> <div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordtype">void</span> clearVisitedEdges();</div> <div class="line"><a name="l00090"></a><span class="lineno"> 90</span> </div> <div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="comment">// <FIX> MD - use iteration & queue rather than recursion, for speed and robustness</span></div> <div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordtype">void</span> computeDepths(<a class="code" href="classgeos_1_1geomgraph_1_1DirectedEdge.html">geomgraph::DirectedEdge</a> *startEdge);</div> <div class="line"><a name="l00099"></a><span class="lineno"> 99</span> </div> <div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordtype">void</span> computeNodeDepth(<a class="code" href="classgeos_1_1geomgraph_1_1Node.html">geomgraph::Node</a> *n);</div> <div class="line"><a name="l00101"></a><span class="lineno"> 101</span> </div> <div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordtype">void</span> copySymDepths(<a class="code" href="classgeos_1_1geomgraph_1_1DirectedEdge.html">geomgraph::DirectedEdge</a> *de);</div> <div class="line"><a name="l00103"></a><span class="lineno"> 103</span> </div> <div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordtype">bool</span> contains(std::set<geomgraph::Node*>& nodes, <a class="code" href="classgeos_1_1geomgraph_1_1Node.html">geomgraph::Node</a> *node);</div> <div class="line"><a name="l00105"></a><span class="lineno"> 105</span> </div> <div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="keyword">public</span>:</div> <div class="line"><a name="l00107"></a><span class="lineno"> 107</span> </div> <div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keyword">friend</span> std::ostream& operator<< (std::ostream& os, <span class="keyword">const</span> <a class="code" href="classgeos_1_1operation_1_1buffer_1_1BufferSubgraph.html">BufferSubgraph</a>& bs);</div> <div class="line"><a name="l00109"></a><span class="lineno"> 109</span> </div> <div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <a class="code" href="classgeos_1_1operation_1_1buffer_1_1BufferSubgraph.html">BufferSubgraph</a>(); </div> <div class="line"><a name="l00111"></a><span class="lineno"> 111</span> </div> <div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  ~<a class="code" href="classgeos_1_1operation_1_1buffer_1_1BufferSubgraph.html">BufferSubgraph</a>();</div> <div class="line"><a name="l00113"></a><span class="lineno"> 113</span> </div> <div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  std::vector<geomgraph::DirectedEdge*>* getDirectedEdges();</div> <div class="line"><a name="l00115"></a><span class="lineno"> 115</span> </div> <div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  std::vector<geomgraph::Node*>* getNodes();</div> <div class="line"><a name="l00117"></a><span class="lineno"> 117</span> </div> <div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a>* getRightmostCoordinate();</div> <div class="line"><a name="l00122"></a><span class="lineno"> 122</span> </div> <div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordtype">void</span> create(<a class="code" href="classgeos_1_1geomgraph_1_1Node.html">geomgraph::Node</a> *node);</div> <div class="line"><a name="l00132"></a><span class="lineno"> 132</span> </div> <div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keywordtype">void</span> computeDepth(<span class="keywordtype">int</span> outsideDepth);</div> <div class="line"><a name="l00134"></a><span class="lineno"> 134</span> </div> <div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keywordtype">void</span> findResultEdges();</div> <div class="line"><a name="l00147"></a><span class="lineno"> 147</span> </div> <div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keywordtype">int</span> compareTo(<a class="code" href="classgeos_1_1operation_1_1buffer_1_1BufferSubgraph.html">BufferSubgraph</a> *);</div> <div class="line"><a name="l00163"></a><span class="lineno"> 163</span> </div> <div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <a class="code" href="classgeos_1_1geom_1_1Envelope.html">geom::Envelope</a> *getEnvelope();</div> <div class="line"><a name="l00171"></a><span class="lineno"> 171</span> };</div> <div class="line"><a name="l00172"></a><span class="lineno"> 172</span> </div> <div class="line"><a name="l00173"></a><span class="lineno"> 173</span> std::ostream& operator<< (std::ostream& os, <span class="keyword">const</span> <a class="code" href="classgeos_1_1operation_1_1buffer_1_1BufferSubgraph.html">BufferSubgraph</a>& bs);</div> <div class="line"><a name="l00174"></a><span class="lineno"> 174</span> </div> <div class="line"><a name="l00175"></a><span class="lineno"> 175</span> <span class="comment">// INLINES</span></div> <div class="line"><a name="l00176"></a><span class="lineno"> 176</span> <span class="keyword">inline</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a>*</div> <div class="line"><a name="l00177"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1buffer_1_1BufferSubgraph.html#ad538dc7d77bf1734154a72f1e5e70efd"> 177</a></span> <a class="code" href="classgeos_1_1operation_1_1buffer_1_1BufferSubgraph.html#ad538dc7d77bf1734154a72f1e5e70efd">BufferSubgraph::getRightmostCoordinate</a>() {<span class="keywordflow">return</span> rightMostCoord;}</div> <div class="line"><a name="l00178"></a><span class="lineno"> 178</span> </div> <div class="line"><a name="l00179"></a><span class="lineno"> 179</span> <span class="keyword">inline</span> std::vector<geomgraph::Node*>*</div> <div class="line"><a name="l00180"></a><span class="lineno"> 180</span> BufferSubgraph::getNodes() { <span class="keywordflow">return</span> &nodes; }</div> <div class="line"><a name="l00181"></a><span class="lineno"> 181</span> </div> <div class="line"><a name="l00182"></a><span class="lineno"> 182</span> <span class="keyword">inline</span> std::vector<geomgraph::DirectedEdge*>*</div> <div class="line"><a name="l00183"></a><span class="lineno"> 183</span> BufferSubgraph::getDirectedEdges() {</div> <div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keywordflow">return</span> &dirEdgeList;</div> <div class="line"><a name="l00185"></a><span class="lineno"> 185</span> }</div> <div class="line"><a name="l00186"></a><span class="lineno"> 186</span> </div> <div class="line"><a name="l00187"></a><span class="lineno"> 187</span> <span class="keywordtype">bool</span> BufferSubgraphGT(BufferSubgraph *first, BufferSubgraph *second);</div> <div class="line"><a name="l00188"></a><span class="lineno"> 188</span> </div> <div class="line"><a name="l00189"></a><span class="lineno"> 189</span> } <span class="comment">// namespace geos::operation::buffer</span></div> <div class="line"><a name="l00190"></a><span class="lineno"> 190</span> } <span class="comment">// namespace geos::operation</span></div> <div class="line"><a name="l00191"></a><span class="lineno"> 191</span> } <span class="comment">// namespace geos</span></div> <div class="line"><a name="l00192"></a><span class="lineno"> 192</span> </div> <div class="line"><a name="l00193"></a><span class="lineno"> 193</span> <span class="preprocessor">#ifdef _MSC_VER</span></div> <div class="line"><a name="l00194"></a><span class="lineno"> 194</span> <span class="preprocessor"></span><span class="preprocessor">#pragma warning(pop)</span></div> <div class="line"><a name="l00195"></a><span class="lineno"> 195</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div> <div class="line"><a name="l00196"></a><span class="lineno"> 196</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00197"></a><span class="lineno"> 197</span> <span class="preprocessor">#endif // ndef GEOS_OP_BUFFER_BUFFERSUBGRAPH_H</span></div> <div class="line"><a name="l00198"></a><span class="lineno"> 198</span> <span class="preprocessor"></span></div> <div class="ttc" id="classgeos_1_1geom_1_1Envelope_html"><div class="ttname"><a href="classgeos_1_1geom_1_1Envelope.html">geos::geom::Envelope</a></div><div class="ttdoc">An Envelope defines a rectangulare region of the 2D coordinate plane. </div><div class="ttdef"><b>Definition:</b> Envelope.h:53</div></div> <div class="ttc" id="classgeos_1_1operation_1_1buffer_1_1BufferSubgraph_html_ad538dc7d77bf1734154a72f1e5e70efd"><div class="ttname"><a href="classgeos_1_1operation_1_1buffer_1_1BufferSubgraph.html#ad538dc7d77bf1734154a72f1e5e70efd">geos::operation::buffer::BufferSubgraph::getRightmostCoordinate</a></div><div class="ttdeci">geom::Coordinate * getRightmostCoordinate()</div><div class="ttdoc">Gets the rightmost coordinate in the edges of the subgraph. </div><div class="ttdef"><b>Definition:</b> BufferSubgraph.h:177</div></div> <div class="ttc" id="classgeos_1_1geom_1_1Coordinate_html"><div class="ttname"><a href="classgeos_1_1geom_1_1Coordinate.html">geos::geom::Coordinate</a></div><div class="ttdoc">Coordinate is the lightweight class used to store coordinates. </div><div class="ttdef"><b>Definition:</b> Coordinate.h:60</div></div> <div class="ttc" id="classgeos_1_1geomgraph_1_1DirectedEdge_html"><div class="ttname"><a href="classgeos_1_1geomgraph_1_1DirectedEdge.html">geos::geomgraph::DirectedEdge</a></div><div class="ttdoc">A directed EdgeEnd. </div><div class="ttdef"><b>Definition:</b> geomgraph/DirectedEdge.h:44</div></div> <div class="ttc" id="classgeos_1_1operation_1_1buffer_1_1RightmostEdgeFinder_html"><div class="ttname"><a href="classgeos_1_1operation_1_1buffer_1_1RightmostEdgeFinder.html">geos::operation::buffer::RightmostEdgeFinder</a></div><div class="ttdoc">A RightmostEdgeFinder find the geomgraph::DirectedEdge in a list which has the highest coordinate...</div><div class="ttdef"><b>Definition:</b> RightmostEdgeFinder.h:47</div></div> <div class="ttc" id="classgeos_1_1geomgraph_1_1Node_html"><div class="ttname"><a href="classgeos_1_1geomgraph_1_1Node.html">geos::geomgraph::Node</a></div><div class="ttdef"><b>Definition:</b> geomgraph/Node.h:62</div></div> <div class="ttc" id="classgeos_1_1operation_1_1buffer_1_1BufferSubgraph_html"><div class="ttname"><a href="classgeos_1_1operation_1_1buffer_1_1BufferSubgraph.html">geos::operation::buffer::BufferSubgraph</a></div><div class="ttdoc">A connected subset of the graph of DirectedEdge and geomgraph::Node. </div><div class="ttdef"><b>Definition:</b> BufferSubgraph.h:61</div></div> </div><!-- fragment --></div><!-- contents --> <!-- start footer part --> <hr class="footer"/><address class="footer"><small> Generated by  <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/> </a> 1.8.5 </small></address> </body> </html>