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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <meta name="generator" content="Doxygen 1.8.5"/> <title>GEOS: OverlayOp.h Source File</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="dynsections.js"></script> <link href="doxygen.css" rel="stylesheet" type="text/css" /> </head> <body> <div id="top"><!-- do not remove this div, it is closed by doxygen! --> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td style="padding-left: 0.5em;"> <div id="projectname">GEOS  <span id="projectnumber">3.8.0</span> </div> </td> </tr> </tbody> </table> </div> <!-- end header part --> <!-- Generated by Doxygen 1.8.5 --> <div id="navrow1" class="tabs"> <ul class="tablist"> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="pages.html"><span>Related Pages</span></a></li> <li><a href="namespaces.html"><span>Namespaces</span></a></li> <li><a href="annotated.html"><span>Classes</span></a></li> <li class="current"><a href="files.html"><span>Files</span></a></li> </ul> </div> <div id="navrow2" class="tabs2"> <ul class="tablist"> <li><a href="files.html"><span>File List</span></a></li> <li><a href="globals.html"><span>File Members</span></a></li> </ul> </div> <div id="nav-path" class="navpath"> <ul> <li class="navelem"><a class="el" href="dir_c7abe0914a0ee2b00cd766c552eb2d19.html">include</a></li><li class="navelem"><a class="el" href="dir_165a26498f94b7fe2ccb32b9bb9b3ac5.html">geos</a></li><li class="navelem"><a class="el" href="dir_83502acdc91ead14a5b9a0c44f723726.html">operation</a></li><li class="navelem"><a class="el" href="dir_1a95b8678d1ad9842c27cce24faf1a81.html">overlay</a></li> </ul> </div> </div><!-- top --> <div class="header"> <div class="headertitle"> <div class="title">OverlayOp.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/overlay/OverlayOp.java r567 (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_OVERLAY_OVERLAYOP_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_OVERLAY_OVERLAYOP_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/algorithm/PointLocator.h></span> <span class="comment">// for composition</span></div> <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <geos/geom/Dimension.h></span> <span class="comment">// for Dimension::DimensionType</span></div> <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <geos/geom/Location.h></span></div> <div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <geos/geomgraph/EdgeList.h></span> <span class="comment">// for composition</span></div> <div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include <geos/geomgraph/PlanarGraph.h></span> <span class="comment">// for inline (GeometryGraph->PlanarGraph)</span></div> <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include <geos/operation/GeometryGraphOperation.h></span> <span class="comment">// for inheritance</span></div> <div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div> <div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include <vector></span></div> <div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div> <div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#ifdef _MSC_VER</span></div> <div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor"></span><span class="preprocessor">#pragma warning(push)</span></div> <div class="line"><a name="l00035"></a><span class="lineno"> 35</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="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div> <div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment">// Forward declarations</span></div> <div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="keyword">namespace </span>geos {</div> <div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="keyword">namespace </span>geom {</div> <div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="keyword">class </span>Geometry;</div> <div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="keyword">class </span>Coordinate;</div> <div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="keyword">class </span>Envelope;</div> <div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="keyword">class </span>GeometryFactory;</div> <div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="keyword">class </span>Polygon;</div> <div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="keyword">class </span>LineString;</div> <div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="keyword">class </span>Point;</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>geomgraph {</div> <div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="keyword">class </span>Label;</div> <div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="keyword">class </span>Edge;</div> <div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="keyword">class </span>Node;</div> <div class="line"><a name="l00053"></a><span class="lineno"> 53</span> }</div> <div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="keyword">namespace </span>operation {</div> <div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="keyword">namespace </span>overlay {</div> <div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="keyword">class </span>ElevationMatrix;</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> }</div> <div class="line"><a name="l00059"></a><span class="lineno"> 59</span> }</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> <span class="keyword">namespace </span>geos {</div> <div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="keyword">namespace </span>operation { <span class="comment">// geos::operation</span></div> <div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="keyword">namespace </span>overlay { <span class="comment">// geos::operation::overlay</span></div> <div class="line"><a name="l00064"></a><span class="lineno"> 64</span> </div> <div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="comment">//</span></div> <div class="line"><a name="l00070"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1overlay_1_1OverlayOp.html"> 70</a></span> <span class="comment"></span><span class="keyword">class </span>GEOS_DLL <a class="code" href="classgeos_1_1operation_1_1overlay_1_1OverlayOp.html">OverlayOp</a>: <span class="keyword">public</span> <a class="code" href="classgeos_1_1operation_1_1GeometryGraphOperation.html">GeometryGraphOperation</a> {</div> <div class="line"><a name="l00071"></a><span class="lineno"> 71</span> </div> <div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="keyword">public</span>:</div> <div class="line"><a name="l00073"></a><span class="lineno"> 73</span> </div> <div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="comment">//</span></div> <div class="line"><a name="l00079"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1overlay_1_1OverlayOp.html#a1f2552b975ce852f0b192dc00997b131"> 79</a></span> <span class="comment"></span> <span class="keyword">enum</span> <a class="code" href="classgeos_1_1operation_1_1overlay_1_1OverlayOp.html#a1f2552b975ce852f0b192dc00997b131">OpCode</a> {</div> <div class="line"><a name="l00081"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1overlay_1_1OverlayOp.html#a1f2552b975ce852f0b192dc00997b131a8fa6810898ed996b483dd401ef1be6d6"> 81</a></span>  opINTERSECTION = 1,</div> <div class="line"><a name="l00083"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1overlay_1_1OverlayOp.html#a1f2552b975ce852f0b192dc00997b131a0d2c09b2c3433c4944aaa1ee2b3777a6"> 83</a></span>  opUNION = 2,</div> <div class="line"><a name="l00085"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1overlay_1_1OverlayOp.html#a1f2552b975ce852f0b192dc00997b131aa4cb2fc2dbc9ddc1a73eea913a681c2f"> 85</a></span>  opDIFFERENCE = 3,</div> <div class="line"><a name="l00087"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1overlay_1_1OverlayOp.html#a1f2552b975ce852f0b192dc00997b131a05af5ddccedfdb8135c4b6967229254d"> 87</a></span>  opSYMDIFFERENCE = 4</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> </div> <div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keyword">static</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>* <a class="code" href="structgeos_1_1operation_1_1overlay_1_1overlayOp.html">overlayOp</a>(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>* geom0,</div> <div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>* geom1,</div> <div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  OpCode opCode);</div> <div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="comment">//throw(TopologyException *);</span></div> <div class="line"><a name="l00103"></a><span class="lineno"> 103</span> </div> <div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keyword">static</span> <span class="keywordtype">bool</span> isResultOfOp(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geomgraph_1_1Label.html">geomgraph::Label</a>& label, OpCode opCode);</div> <div class="line"><a name="l00117"></a><span class="lineno"> 117</span> </div> <div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="comment">//</span></div> <div class="line"><a name="l00122"></a><span class="lineno"> 122</span> <span class="comment"></span> <span class="keyword">static</span> <span class="keywordtype">bool</span> isResultOfOp(<a class="code" href="namespacegeos_1_1geom.html#ae55a225cd843a6b153a7b6ca5a4707c8">geom::Location</a> loc0, <a class="code" href="namespacegeos_1_1geom.html#ae55a225cd843a6b153a7b6ca5a4707c8">geom::Location</a> loc1, OpCode opCode);</div> <div class="line"><a name="l00123"></a><span class="lineno"> 123</span> </div> <div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="comment">//</span></div> <div class="line"><a name="l00129"></a><span class="lineno"> 129</span> <span class="comment"></span> <a class="code" href="classgeos_1_1operation_1_1overlay_1_1OverlayOp.html">OverlayOp</a>(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>* g0, <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>* g1);</div> <div class="line"><a name="l00130"></a><span class="lineno"> 130</span> </div> <div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  ~<a class="code" href="classgeos_1_1operation_1_1overlay_1_1OverlayOp.html">OverlayOp</a>() <span class="keyword">override</span>; <span class="comment">// FIXME: virtual ?</span></div> <div class="line"><a name="l00132"></a><span class="lineno"> 132</span> </div> <div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>* getResultGeometry(OpCode overlayOpCode);</div> <div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="comment">// throw(TopologyException *);</span></div> <div class="line"><a name="l00144"></a><span class="lineno"> 144</span> </div> <div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <a class="code" href="classgeos_1_1geomgraph_1_1PlanarGraph.html">geomgraph::PlanarGraph</a>&</div> <div class="line"><a name="l00151"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1overlay_1_1OverlayOp.html#a1c41701647a731cfa62f7756f8d25149"> 151</a></span>  <a class="code" href="classgeos_1_1operation_1_1overlay_1_1OverlayOp.html#a1c41701647a731cfa62f7756f8d25149">getGraph</a>()</div> <div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  {</div> <div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keywordflow">return</span> graph;</div> <div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  }</div> <div class="line"><a name="l00155"></a><span class="lineno"> 155</span> </div> <div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordtype">bool</span> isCoveredByLA(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a>& coord);</div> <div class="line"><a name="l00164"></a><span class="lineno"> 164</span> </div> <div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordtype">bool</span> isCoveredByA(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a>& coord);</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>  <span class="comment">/*</span></div> <div class="line"><a name="l00174"></a><span class="lineno"> 174</span> <span class="comment"> * @return true if the coord is located in the interior or boundary of</span></div> <div class="line"><a name="l00175"></a><span class="lineno"> 175</span> <span class="comment"> * a geometry in the list.</span></div> <div class="line"><a name="l00176"></a><span class="lineno"> 176</span> <span class="comment"> */</span></div> <div class="line"><a name="l00177"></a><span class="lineno"> 177</span> </div> <div class="line"><a name="l00178"></a><span class="lineno"> 178</span> <span class="keyword">protected</span>:</div> <div class="line"><a name="l00179"></a><span class="lineno"> 179</span> </div> <div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keywordtype">void</span> insertUniqueEdge(<a class="code" href="classgeos_1_1geomgraph_1_1Edge.html">geomgraph::Edge</a>* e);</div> <div class="line"><a name="l00189"></a><span class="lineno"> 189</span> </div> <div class="line"><a name="l00190"></a><span class="lineno"> 190</span> <span class="keyword">private</span>:</div> <div class="line"><a name="l00191"></a><span class="lineno"> 191</span> </div> <div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <a class="code" href="classgeos_1_1algorithm_1_1PointLocator.html">algorithm::PointLocator</a> ptLocator;</div> <div class="line"><a name="l00193"></a><span class="lineno"> 193</span> </div> <div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1GeometryFactory.html">geom::GeometryFactory</a>* geomFact;</div> <div class="line"><a name="l00195"></a><span class="lineno"> 195</span> </div> <div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>* resultGeom;</div> <div class="line"><a name="l00197"></a><span class="lineno"> 197</span> </div> <div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <a class="code" href="classgeos_1_1geomgraph_1_1PlanarGraph.html">geomgraph::PlanarGraph</a> graph;</div> <div class="line"><a name="l00199"></a><span class="lineno"> 199</span> </div> <div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <a class="code" href="classgeos_1_1geomgraph_1_1EdgeList.html">geomgraph::EdgeList</a> edgeList;</div> <div class="line"><a name="l00201"></a><span class="lineno"> 201</span> </div> <div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  std::vector<geom::Polygon*>* resultPolyList;</div> <div class="line"><a name="l00203"></a><span class="lineno"> 203</span> </div> <div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  std::vector<geom::LineString*>* resultLineList;</div> <div class="line"><a name="l00205"></a><span class="lineno"> 205</span> </div> <div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  std::vector<geom::Point*>* resultPointList;</div> <div class="line"><a name="l00207"></a><span class="lineno"> 207</span> </div> <div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="keywordtype">void</span> computeOverlay(OpCode opCode); <span class="comment">// throw(TopologyException *);</span></div> <div class="line"><a name="l00209"></a><span class="lineno"> 209</span> </div> <div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="keywordtype">void</span> insertUniqueEdges(std::vector<geomgraph::Edge*>* edges, <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Envelope.html">geom::Envelope</a>* env = <span class="keyword">nullptr</span>);</div> <div class="line"><a name="l00211"></a><span class="lineno"> 211</span> </div> <div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="comment">/*</span></div> <div class="line"><a name="l00213"></a><span class="lineno"> 213</span> <span class="comment"> * If either of the GeometryLocations for the existing label is</span></div> <div class="line"><a name="l00214"></a><span class="lineno"> 214</span> <span class="comment"> * exactly opposite to the one in the labelToMerge,</span></div> <div class="line"><a name="l00215"></a><span class="lineno"> 215</span> <span class="comment"> * this indicates a dimensional collapse has happened.</span></div> <div class="line"><a name="l00216"></a><span class="lineno"> 216</span> <span class="comment"> * In this case, convert the label for that Geometry to a Line label</span></div> <div class="line"><a name="l00217"></a><span class="lineno"> 217</span> <span class="comment"> */</span></div> <div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="comment">//Not needed</span></div> <div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="comment">//void checkDimensionalCollapse(geomgraph::Label labelToMerge, geomgraph::Label existingLabel);</span></div> <div class="line"><a name="l00220"></a><span class="lineno"> 220</span> </div> <div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="keywordtype">void</span> computeLabelsFromDepths();</div> <div class="line"><a name="l00233"></a><span class="lineno"> 233</span> </div> <div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <span class="keywordtype">void</span> replaceCollapsedEdges();</div> <div class="line"><a name="l00239"></a><span class="lineno"> 239</span> </div> <div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <span class="keywordtype">void</span> copyPoints(<span class="keywordtype">int</span> argIndex, <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Envelope.html">geom::Envelope</a>* env = <span class="keyword">nullptr</span>);</div> <div class="line"><a name="l00251"></a><span class="lineno"> 251</span> </div> <div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  <span class="keywordtype">void</span> computeLabelling(); <span class="comment">// throw(TopologyException *);</span></div> <div class="line"><a name="l00261"></a><span class="lineno"> 261</span> </div> <div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  <span class="keywordtype">void</span> mergeSymLabels();</div> <div class="line"><a name="l00270"></a><span class="lineno"> 270</span> </div> <div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <span class="keywordtype">void</span> updateNodeLabelling();</div> <div class="line"><a name="l00272"></a><span class="lineno"> 272</span> </div> <div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  <span class="keywordtype">void</span> labelIncompleteNodes();</div> <div class="line"><a name="l00291"></a><span class="lineno"> 291</span> </div> <div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  <span class="keywordtype">void</span> labelIncompleteNode(<a class="code" href="classgeos_1_1geomgraph_1_1Node.html">geomgraph::Node</a>* n, <span class="keywordtype">int</span> targetIndex);</div> <div class="line"><a name="l00296"></a><span class="lineno"> 296</span> </div> <div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <span class="keywordtype">void</span> findResultAreaEdges(OpCode opCode);</div> <div class="line"><a name="l00309"></a><span class="lineno"> 309</span> </div> <div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  <span class="keywordtype">void</span> cancelDuplicateResultEdges();</div> <div class="line"><a name="l00315"></a><span class="lineno"> 315</span> </div> <div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <span class="keywordtype">bool</span> isCovered(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a>& coord,</div> <div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  std::vector<geom::Geometry*>* geomList);</div> <div class="line"><a name="l00322"></a><span class="lineno"> 322</span> </div> <div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  <span class="keywordtype">bool</span> isCovered(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a>& coord,</div> <div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  std::vector<geom::Polygon*>* geomList);</div> <div class="line"><a name="l00329"></a><span class="lineno"> 329</span> </div> <div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  <span class="keywordtype">bool</span> isCovered(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a>& coord,</div> <div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  std::vector<geom::LineString*>* geomList);</div> <div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  <span class="keyword">static</span> <a class="code" href="classgeos_1_1geom_1_1Dimension.html#af46f1c0c325eb685fcf32987748d04cf">geom::Dimension::DimensionType</a> resultDimension(<a class="code" href="classgeos_1_1operation_1_1overlay_1_1OverlayOp.html#a1f2552b975ce852f0b192dc00997b131">OverlayOp::OpCode</a> overlayOpCode,</div> <div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>* g0, <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>* g1);</div> <div class="line"><a name="l00342"></a><span class="lineno"> 342</span> </div> <div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  <span class="keyword">static</span> std::unique_ptr<geom::Geometry> createEmptyResult(</div> <div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  <a class="code" href="classgeos_1_1operation_1_1overlay_1_1OverlayOp.html#a1f2552b975ce852f0b192dc00997b131">OverlayOp::OpCode</a> overlayOpCode, <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>* a,</div> <div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>* b, <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1GeometryFactory.html">geom::GeometryFactory</a>* geomFact);</div> <div class="line"><a name="l00359"></a><span class="lineno"> 359</span> </div> <div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>* computeGeometry(</div> <div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  std::vector<geom::Point*>* nResultPointList,</div> <div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  std::vector<geom::LineString*>* nResultLineList,</div> <div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  std::vector<geom::Polygon*>* nResultPolyList,</div> <div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  <a class="code" href="classgeos_1_1operation_1_1overlay_1_1OverlayOp.html#a1f2552b975ce852f0b192dc00997b131">OverlayOp::OpCode</a> opCode);</div> <div class="line"><a name="l00369"></a><span class="lineno"> 369</span> </div> <div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  std::vector<geomgraph::Edge*>dupEdges;</div> <div class="line"><a name="l00372"></a><span class="lineno"> 372</span> </div> <div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  <span class="keywordtype">int</span> mergeZ(<a class="code" href="classgeos_1_1geomgraph_1_1Node.html">geomgraph::Node</a>* n, <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Polygon.html">geom::Polygon</a>* poly) <span class="keyword">const</span>;</div> <div class="line"><a name="l00378"></a><span class="lineno"> 378</span> </div> <div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  <span class="keywordtype">int</span> mergeZ(<a class="code" href="classgeos_1_1geomgraph_1_1Node.html">geomgraph::Node</a>* n, <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1LineString.html">geom::LineString</a>* line) <span class="keyword">const</span>;</div> <div class="line"><a name="l00385"></a><span class="lineno"> 385</span> </div> <div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  <span class="keywordtype">double</span> avgz[2];</div> <div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  <span class="keywordtype">bool</span> avgzcomputed[2];</div> <div class="line"><a name="l00391"></a><span class="lineno"> 391</span> </div> <div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  <span class="keywordtype">double</span> getAverageZ(<span class="keywordtype">int</span> targetIndex);</div> <div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  <span class="keyword">static</span> <span class="keywordtype">double</span> getAverageZ(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Polygon.html">geom::Polygon</a>* poly);</div> <div class="line"><a name="l00394"></a><span class="lineno"> 394</span> </div> <div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  ElevationMatrix* elevationMatrix;</div> <div class="line"><a name="l00396"></a><span class="lineno"> 396</span> </div> <div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  <span class="keywordtype">void</span> checkObviouslyWrongResult(OpCode opCode);</div> <div class="line"><a name="l00400"></a><span class="lineno"> 400</span> </div> <div class="line"><a name="l00401"></a><span class="lineno"> 401</span> };</div> <div class="line"><a name="l00402"></a><span class="lineno"> 402</span> </div> <div class="line"><a name="l00406"></a><span class="lineno"><a class="line" href="structgeos_1_1operation_1_1overlay_1_1overlayOp.html"> 406</a></span> <span class="keyword">struct </span><a class="code" href="structgeos_1_1operation_1_1overlay_1_1overlayOp.html">overlayOp</a> {</div> <div class="line"><a name="l00407"></a><span class="lineno"> 407</span> </div> <div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  <a class="code" href="classgeos_1_1operation_1_1overlay_1_1OverlayOp.html#a1f2552b975ce852f0b192dc00997b131">OverlayOp::OpCode</a> opCode;</div> <div class="line"><a name="l00409"></a><span class="lineno"> 409</span> </div> <div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  <a class="code" href="structgeos_1_1operation_1_1overlay_1_1overlayOp.html">overlayOp</a>(<a class="code" href="classgeos_1_1operation_1_1overlay_1_1OverlayOp.html#a1f2552b975ce852f0b192dc00997b131">OverlayOp::OpCode</a> code)</div> <div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  :</div> <div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  opCode(code)</div> <div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  {}</div> <div class="line"><a name="l00414"></a><span class="lineno"> 414</span> </div> <div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>*</div> <div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  operator()(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>* g0,</div> <div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>* g1)</div> <div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  {</div> <div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  <span class="keywordflow">return</span> <a class="code" href="classgeos_1_1operation_1_1overlay_1_1OverlayOp.html#a7edc8d4f6460dad9d12359c15f3f8325">OverlayOp::overlayOp</a>(g0, g1, opCode);</div> <div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  }</div> <div class="line"><a name="l00421"></a><span class="lineno"> 421</span> </div> <div class="line"><a name="l00422"></a><span class="lineno"> 422</span> };</div> <div class="line"><a name="l00423"></a><span class="lineno"> 423</span> </div> <div class="line"><a name="l00424"></a><span class="lineno"> 424</span> } <span class="comment">// namespace geos::operation::overlay</span></div> <div class="line"><a name="l00425"></a><span class="lineno"> 425</span> } <span class="comment">// namespace geos::operation</span></div> <div class="line"><a name="l00426"></a><span class="lineno"> 426</span> } <span class="comment">// namespace geos</span></div> <div class="line"><a name="l00427"></a><span class="lineno"> 427</span> </div> <div class="line"><a name="l00428"></a><span class="lineno"> 428</span> <span class="preprocessor">#ifdef _MSC_VER</span></div> <div class="line"><a name="l00429"></a><span class="lineno"> 429</span> <span class="preprocessor"></span><span class="preprocessor">#pragma warning(pop)</span></div> <div class="line"><a name="l00430"></a><span class="lineno"> 430</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div> <div class="line"><a name="l00431"></a><span class="lineno"> 431</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00432"></a><span class="lineno"> 432</span> <span class="preprocessor">#endif // ndef GEOS_OP_OVERLAY_OVERLAYOP_H</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:58</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_1operation_1_1overlay_1_1OverlayOp_html_a1c41701647a731cfa62f7756f8d25149"><div class="ttname"><a href="classgeos_1_1operation_1_1overlay_1_1OverlayOp.html#a1c41701647a731cfa62f7756f8d25149">geos::operation::overlay::OverlayOp::getGraph</a></div><div class="ttdeci">geomgraph::PlanarGraph & getGraph()</div><div class="ttdoc">Gets the graph constructed to compute the overlay. </div><div class="ttdef"><b>Definition:</b> OverlayOp.h:151</div></div> <div class="ttc" id="classgeos_1_1geomgraph_1_1PlanarGraph_html"><div class="ttname"><a href="classgeos_1_1geomgraph_1_1PlanarGraph.html">geos::geomgraph::PlanarGraph</a></div><div class="ttdoc">Represents a directed graph which is embeddable in a planar surface. </div><div class="ttdef"><b>Definition:</b> geomgraph/PlanarGraph.h:75</div></div> <div class="ttc" id="classgeos_1_1operation_1_1overlay_1_1OverlayOp_html_a1f2552b975ce852f0b192dc00997b131"><div class="ttname"><a href="classgeos_1_1operation_1_1overlay_1_1OverlayOp.html#a1f2552b975ce852f0b192dc00997b131">geos::operation::overlay::OverlayOp::OpCode</a></div><div class="ttdeci">OpCode</div><div class="ttdoc">The spatial functions supported by this class. </div><div class="ttdef"><b>Definition:</b> OverlayOp.h:79</div></div> <div class="ttc" id="classgeos_1_1geomgraph_1_1EdgeList_html"><div class="ttname"><a href="classgeos_1_1geomgraph_1_1EdgeList.html">geos::geomgraph::EdgeList</a></div><div class="ttdef"><b>Definition:</b> EdgeList.h:58</div></div> <div class="ttc" id="classgeos_1_1operation_1_1overlay_1_1OverlayOp_html"><div class="ttname"><a href="classgeos_1_1operation_1_1overlay_1_1OverlayOp.html">geos::operation::overlay::OverlayOp</a></div><div class="ttdoc">Computes the geometric overlay of two Geometry. </div><div class="ttdef"><b>Definition:</b> OverlayOp.h:70</div></div> <div class="ttc" id="classgeos_1_1algorithm_1_1PointLocator_html"><div class="ttname"><a href="classgeos_1_1algorithm_1_1PointLocator.html">geos::algorithm::PointLocator</a></div><div class="ttdoc">Computes the topological relationship (Location) of a single point to a Geometry. ...</div><div class="ttdef"><b>Definition:</b> PointLocator.h:57</div></div> <div class="ttc" id="classgeos_1_1geom_1_1Geometry_html"><div class="ttname"><a href="classgeos_1_1geom_1_1Geometry.html">geos::geom::Geometry</a></div><div class="ttdoc">Basic implementation of Geometry, constructed and destructed by GeometryFactory. </div><div class="ttdef"><b>Definition:</b> Geometry.h:188</div></div> <div class="ttc" id="classgeos_1_1operation_1_1overlay_1_1OverlayOp_html_a7edc8d4f6460dad9d12359c15f3f8325"><div class="ttname"><a href="classgeos_1_1operation_1_1overlay_1_1OverlayOp.html#a7edc8d4f6460dad9d12359c15f3f8325">geos::operation::overlay::OverlayOp::overlayOp</a></div><div class="ttdeci">static geom::Geometry * overlayOp(const geom::Geometry *geom0, const geom::Geometry *geom1, OpCode opCode)</div><div class="ttdoc">Computes an overlay operation for the given geometry arguments. </div></div> <div class="ttc" id="classgeos_1_1geom_1_1LineString_html"><div class="ttname"><a href="classgeos_1_1geom_1_1LineString.html">geos::geom::LineString</a></div><div class="ttdef"><b>Definition:</b> LineString.h:68</div></div> <div class="ttc" id="classgeos_1_1operation_1_1GeometryGraphOperation_html"><div class="ttname"><a href="classgeos_1_1operation_1_1GeometryGraphOperation.html">geos::operation::GeometryGraphOperation</a></div><div class="ttdoc">The base class for operations that require GeometryGraph. </div><div class="ttdef"><b>Definition:</b> GeometryGraphOperation.h:52</div></div> <div class="ttc" id="classgeos_1_1geom_1_1Polygon_html"><div class="ttname"><a href="classgeos_1_1geom_1_1Polygon.html">geos::geom::Polygon</a></div><div class="ttdoc">Represents a linear polygon, which may include holes. </div><div class="ttdef"><b>Definition:</b> Polygon.h:64</div></div> <div class="ttc" id="classgeos_1_1geom_1_1GeometryFactory_html"><div class="ttname"><a href="classgeos_1_1geom_1_1GeometryFactory.html">geos::geom::GeometryFactory</a></div><div class="ttdoc">Supplies a set of utility methods for building Geometry objects from CoordinateSequence or other Geom...</div><div class="ttdef"><b>Definition:</b> GeometryFactory.h:68</div></div> <div class="ttc" id="namespacegeos_1_1geom_html_ae55a225cd843a6b153a7b6ca5a4707c8"><div class="ttname"><a href="namespacegeos_1_1geom.html#ae55a225cd843a6b153a7b6ca5a4707c8">geos::geom::Location</a></div><div class="ttdeci">Location</div><div class="ttdoc">Constants representing the location of a point relative to a geometry. </div><div class="ttdef"><b>Definition:</b> Location.h:34</div></div> <div class="ttc" id="structgeos_1_1operation_1_1overlay_1_1overlayOp_html"><div class="ttname"><a href="structgeos_1_1operation_1_1overlay_1_1overlayOp.html">geos::operation::overlay::overlayOp</a></div><div class="ttdoc">OverlayOp::overlayOp Adapter for use with geom::BinaryOp. </div><div class="ttdef"><b>Definition:</b> OverlayOp.h:406</div></div> <div class="ttc" id="classgeos_1_1geomgraph_1_1Label_html"><div class="ttname"><a href="classgeos_1_1geomgraph_1_1Label.html">geos::geomgraph::Label</a></div><div class="ttdoc">A Label indicates the topological relationship of a component of a topology graph to a given Geometry...</div><div class="ttdef"><b>Definition:</b> Label.h:58</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_1geomgraph_1_1Edge_html"><div class="ttname"><a href="classgeos_1_1geomgraph_1_1Edge.html">geos::geomgraph::Edge</a></div><div class="ttdef"><b>Definition:</b> geomgraph/Edge.h:66</div></div> <div class="ttc" id="classgeos_1_1geom_1_1Dimension_html_af46f1c0c325eb685fcf32987748d04cf"><div class="ttname"><a href="classgeos_1_1geom_1_1Dimension.html#af46f1c0c325eb685fcf32987748d04cf">geos::geom::Dimension::DimensionType</a></div><div class="ttdeci">DimensionType</div><div class="ttdef"><b>Definition:</b> Dimension.h:31</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>