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78 lines
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<li class="navelem"><a class="el" href="dir_d44c64559bbebec7f509842c48db8b23.html">include</a></li><li class="navelem"><a class="el" href="dir_0bc14b2fb119a11b6a0f32f4d350db61.html">geos</a></li><li class="navelem"><a class="el" href="dir_65c4f1c50d1bc972ff2c92b3b02b6108.html">triangulate</a></li><li class="navelem"><a class="el" href="dir_8f179ea98ab4cb0fc5de011383042e6e.html">quadedge</a></li> </ul>
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<div class="title">QuadEdgeQuartet.h</div> </div>
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<a href="QuadEdgeQuartet_8h.html">Go to the documentation of this file.</a><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) 2019 Daniel Baston</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 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> </div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#ifndef GEOS_TRIANGULATE_QUADEDGE_QUADEDGEQUARTET_H</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#define GEOS_TRIANGULATE_QUADEDGE_QUADEDGEQUARTET_H</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> </div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include <<a class="code" href="QuadEdge_8h.html">geos/triangulate/quadedge/QuadEdge.h</a>></span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> </div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> </div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="keyword">namespace </span><a class="code" href="namespacegeos.html">geos</a> {</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="keyword">namespace </span>triangulate {</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="keyword">namespace </span>quadedge {</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> </div><div class="line"><a name="l00025"></a><span class="lineno"><a class="line" href="classgeos_1_1triangulate_1_1quadedge_1_1QuadEdgeQuartet.html"> 25</a></span> <span class="keyword">class </span><a class="code" href="export_8h.html#ae36df939090171f6e9a28a8cb6254fea">GEOS_DLL</a> <a class="code" href="classgeos_1_1triangulate_1_1quadedge_1_1QuadEdgeQuartet.html">QuadEdgeQuartet</a> {</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00028"></a><span class="lineno"><a class="line" href="classgeos_1_1triangulate_1_1quadedge_1_1QuadEdgeQuartet.html#ad077202b918d71a2811990e580b181ff"> 28</a></span>  <a class="code" href="classgeos_1_1triangulate_1_1quadedge_1_1QuadEdgeQuartet.html#ad077202b918d71a2811990e580b181ff">QuadEdgeQuartet</a>() : e{<a class="code" href="classgeos_1_1triangulate_1_1quadedge_1_1QuadEdge.html">QuadEdge</a>(0), <a class="code" href="classgeos_1_1triangulate_1_1quadedge_1_1QuadEdge.html">QuadEdge</a>(1), <a class="code" href="classgeos_1_1triangulate_1_1quadedge_1_1QuadEdge.html">QuadEdge</a>(2), <a class="code" href="classgeos_1_1triangulate_1_1quadedge_1_1QuadEdge.html">QuadEdge</a>(3)} {</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  e[0].<a class="code" href="classgeos_1_1triangulate_1_1quadedge_1_1QuadEdge.html#a274e934175b86e438b4d58203e97f0cf">next</a> = &(e[0]);</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  e[1].<a class="code" href="classgeos_1_1triangulate_1_1quadedge_1_1QuadEdge.html#a274e934175b86e438b4d58203e97f0cf">next</a> = &(e[3]);</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  e[2].<a class="code" href="classgeos_1_1triangulate_1_1quadedge_1_1QuadEdge.html#a274e934175b86e438b4d58203e97f0cf">next</a> = &(e[2]);</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  e[3].<a class="code" href="classgeos_1_1triangulate_1_1quadedge_1_1QuadEdge.html#a274e934175b86e438b4d58203e97f0cf">next</a> = &(e[1]);</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  };</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> </div><div class="line"><a name="l00035"></a><span class="lineno"><a class="line" href="classgeos_1_1triangulate_1_1quadedge_1_1QuadEdgeQuartet.html#a7a1ab5402f5fd9b7386571c609c924ea"> 35</a></span>  <span class="keyword">static</span> <a class="code" href="classgeos_1_1triangulate_1_1quadedge_1_1QuadEdge.html">QuadEdge</a>& <a class="code" href="classgeos_1_1triangulate_1_1quadedge_1_1QuadEdgeQuartet.html#a7a1ab5402f5fd9b7386571c609c924ea">makeEdge</a>(<span class="keyword">const</span> <a class="code" href="classgeos_1_1triangulate_1_1quadedge_1_1Vertex.html">Vertex</a>& o, <span class="keyword">const</span> <a class="code" href="classgeos_1_1triangulate_1_1quadedge_1_1Vertex.html">Vertex</a> & d, std::deque<QuadEdgeQuartet> & edges) {</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  edges.emplace_back();</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keyword">auto</span>& qe = edges.back();</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  qe.base().<a class="code" href="classgeos_1_1triangulate_1_1quadedge_1_1QuadEdge.html#a2704e89032cfed428cbc17256f7d0003">setOrig</a>(o);</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  qe.base().setDest(d);</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keywordflow">return</span> qe.base();</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> </div><div class="line"><a name="l00044"></a><span class="lineno"><a class="line" href="classgeos_1_1triangulate_1_1quadedge_1_1QuadEdgeQuartet.html#a7819f53199881481f393085de4b1ea02"> 44</a></span>  <a class="code" href="classgeos_1_1triangulate_1_1quadedge_1_1QuadEdge.html">QuadEdge</a>& <a class="code" href="classgeos_1_1triangulate_1_1quadedge_1_1QuadEdgeQuartet.html#a7819f53199881481f393085de4b1ea02">base</a>() {</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keywordflow">return</span> e[0];</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"><a class="line" href="classgeos_1_1triangulate_1_1quadedge_1_1QuadEdgeQuartet.html#ad6dac2ed6e69baceb62b8a4b955c6746"> 48</a></span>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1triangulate_1_1quadedge_1_1QuadEdge.html">QuadEdge</a>& <a class="code" href="classgeos_1_1triangulate_1_1quadedge_1_1QuadEdgeQuartet.html#ad6dac2ed6e69baceb62b8a4b955c6746">base</a>()<span class="keyword"> const </span>{</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keywordflow">return</span> e[0];</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  }</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> </div><div class="line"><a name="l00052"></a><span class="lineno"><a class="line" href="classgeos_1_1triangulate_1_1quadedge_1_1QuadEdgeQuartet.html#a77f0a073d4ccb6fab72e161d57f4665a"> 52</a></span>  <span class="keywordtype">void</span> <a class="code" href="classgeos_1_1triangulate_1_1quadedge_1_1QuadEdgeQuartet.html#a77f0a073d4ccb6fab72e161d57f4665a">setVisited</a>(<span class="keywordtype">bool</span> status) {</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keywordflow">for</span> (<span class="keyword">auto</span>& edge : e) {</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  edge.setVisited(status);</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  }</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  }</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> </div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00059"></a><span class="lineno"><a class="line" href="classgeos_1_1triangulate_1_1quadedge_1_1QuadEdgeQuartet.html#a39d136cf79e6b2562968075068ea9621"> 59</a></span>  std::array<QuadEdge, 4> <a class="code" href="classgeos_1_1triangulate_1_1quadedge_1_1QuadEdgeQuartet.html#a39d136cf79e6b2562968075068ea9621">e</a>;</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> };</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> }</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> }</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> </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> <span class="preprocessor">#endif</span></div><div class="ttc" id="classgeos_1_1triangulate_1_1quadedge_1_1QuadEdge_html_a2704e89032cfed428cbc17256f7d0003"><div class="ttname"><a href="classgeos_1_1triangulate_1_1quadedge_1_1QuadEdge.html#a2704e89032cfed428cbc17256f7d0003">geos::triangulate::quadedge::QuadEdge::setOrig</a></div><div class="ttdeci">void setOrig(const Vertex &o)</div><div class="ttdoc">Sets the vertex for this edge&#39;s origin. </div><div class="ttdef"><b>Definition:</b> <a href="QuadEdge_8h_source.html#l00363">QuadEdge.h:363</a></div></div>
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<div class="ttc" id="export_8h_html_ae36df939090171f6e9a28a8cb6254fea"><div class="ttname"><a href="export_8h.html#ae36df939090171f6e9a28a8cb6254fea">GEOS_DLL</a></div><div class="ttdeci">#define GEOS_DLL</div><div class="ttdef"><b>Definition:</b> <a href="export_8h_source.html#l00028">export.h:28</a></div></div>
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<div class="ttc" id="classgeos_1_1triangulate_1_1quadedge_1_1QuadEdgeQuartet_html_a39d136cf79e6b2562968075068ea9621"><div class="ttname"><a href="classgeos_1_1triangulate_1_1quadedge_1_1QuadEdgeQuartet.html#a39d136cf79e6b2562968075068ea9621">geos::triangulate::quadedge::QuadEdgeQuartet::e</a></div><div class="ttdeci">std::array< QuadEdge, 4 > e</div><div class="ttdef"><b>Definition:</b> <a href="QuadEdgeQuartet_8h_source.html#l00059">QuadEdgeQuartet.h:59</a></div></div>
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<div class="ttc" id="classgeos_1_1triangulate_1_1quadedge_1_1Vertex_html"><div class="ttname"><a href="classgeos_1_1triangulate_1_1quadedge_1_1Vertex.html">geos::triangulate::quadedge::Vertex</a></div><div class="ttdoc">Models a site (node) in a QuadEdgeSubdivision. </div><div class="ttdef"><b>Definition:</b> <a href="Vertex_8h_source.html#l00060">Vertex.h:60</a></div></div>
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<div class="ttc" id="classgeos_1_1triangulate_1_1quadedge_1_1QuadEdgeQuartet_html_ad6dac2ed6e69baceb62b8a4b955c6746"><div class="ttname"><a href="classgeos_1_1triangulate_1_1quadedge_1_1QuadEdgeQuartet.html#ad6dac2ed6e69baceb62b8a4b955c6746">geos::triangulate::quadedge::QuadEdgeQuartet::base</a></div><div class="ttdeci">const QuadEdge & base() const </div><div class="ttdef"><b>Definition:</b> <a href="QuadEdgeQuartet_8h_source.html#l00048">QuadEdgeQuartet.h:48</a></div></div>
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<div class="ttc" id="classgeos_1_1triangulate_1_1quadedge_1_1QuadEdge_html_a274e934175b86e438b4d58203e97f0cf"><div class="ttname"><a href="classgeos_1_1triangulate_1_1quadedge_1_1QuadEdge.html#a274e934175b86e438b4d58203e97f0cf">geos::triangulate::quadedge::QuadEdge::next</a></div><div class="ttdeci">QuadEdge * next</div><div class="ttdef"><b>Definition:</b> <a href="QuadEdge_8h_source.html#l00104">QuadEdge.h:104</a></div></div>
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<div class="ttc" id="classgeos_1_1triangulate_1_1quadedge_1_1QuadEdgeQuartet_html_a77f0a073d4ccb6fab72e161d57f4665a"><div class="ttname"><a href="classgeos_1_1triangulate_1_1quadedge_1_1QuadEdgeQuartet.html#a77f0a073d4ccb6fab72e161d57f4665a">geos::triangulate::quadedge::QuadEdgeQuartet::setVisited</a></div><div class="ttdeci">void setVisited(bool status)</div><div class="ttdef"><b>Definition:</b> <a href="QuadEdgeQuartet_8h_source.html#l00052">QuadEdgeQuartet.h:52</a></div></div>
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<div class="ttc" id="classgeos_1_1triangulate_1_1quadedge_1_1QuadEdgeQuartet_html_a7819f53199881481f393085de4b1ea02"><div class="ttname"><a href="classgeos_1_1triangulate_1_1quadedge_1_1QuadEdgeQuartet.html#a7819f53199881481f393085de4b1ea02">geos::triangulate::quadedge::QuadEdgeQuartet::base</a></div><div class="ttdeci">QuadEdge & base()</div><div class="ttdef"><b>Definition:</b> <a href="QuadEdgeQuartet_8h_source.html#l00044">QuadEdgeQuartet.h:44</a></div></div>
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<div class="ttc" id="classgeos_1_1triangulate_1_1quadedge_1_1QuadEdgeQuartet_html_ad077202b918d71a2811990e580b181ff"><div class="ttname"><a href="classgeos_1_1triangulate_1_1quadedge_1_1QuadEdgeQuartet.html#ad077202b918d71a2811990e580b181ff">geos::triangulate::quadedge::QuadEdgeQuartet::QuadEdgeQuartet</a></div><div class="ttdeci">QuadEdgeQuartet()</div><div class="ttdef"><b>Definition:</b> <a href="QuadEdgeQuartet_8h_source.html#l00028">QuadEdgeQuartet.h:28</a></div></div>
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<div class="ttc" id="QuadEdge_8h_html"><div class="ttname"><a href="QuadEdge_8h.html">QuadEdge.h</a></div></div>
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<div class="ttc" id="namespacegeos_html"><div class="ttname"><a href="namespacegeos.html">geos</a></div><div class="ttdoc">Basic namespace for all GEOS functionalities. </div><div class="ttdef"><b>Definition:</b> <a href="IndexedNestedRingTester_8h_source.html#l00026">IndexedNestedRingTester.h:26</a></div></div>
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<div class="ttc" id="classgeos_1_1triangulate_1_1quadedge_1_1QuadEdgeQuartet_html_a7a1ab5402f5fd9b7386571c609c924ea"><div class="ttname"><a href="classgeos_1_1triangulate_1_1quadedge_1_1QuadEdgeQuartet.html#a7a1ab5402f5fd9b7386571c609c924ea">geos::triangulate::quadedge::QuadEdgeQuartet::makeEdge</a></div><div class="ttdeci">static QuadEdge & makeEdge(const Vertex &o, const Vertex &d, std::deque< QuadEdgeQuartet > &edges)</div><div class="ttdef"><b>Definition:</b> <a href="QuadEdgeQuartet_8h_source.html#l00035">QuadEdgeQuartet.h:35</a></div></div>
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<div class="ttc" id="classgeos_1_1triangulate_1_1quadedge_1_1QuadEdgeQuartet_html"><div class="ttname"><a href="classgeos_1_1triangulate_1_1quadedge_1_1QuadEdgeQuartet.html">geos::triangulate::quadedge::QuadEdgeQuartet</a></div><div class="ttdef"><b>Definition:</b> <a href="QuadEdgeQuartet_8h_source.html#l00025">QuadEdgeQuartet.h:25</a></div></div>
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<div class="ttc" id="classgeos_1_1triangulate_1_1quadedge_1_1QuadEdge_html"><div class="ttname"><a href="classgeos_1_1triangulate_1_1quadedge_1_1QuadEdge.html">geos::triangulate::quadedge::QuadEdge</a></div><div class="ttdoc">A class that represents the edge data structure which implements the quadedge algebra. </div><div class="ttdef"><b>Definition:</b> <a href="QuadEdge_8h_source.html#l00054">QuadEdge.h:54</a></div></div>
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