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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: PolygonBuilder.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">3.5.0</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> </ul> </div> <div id="nav-path" class="navpath"> <ul> <li class="navelem"><a class="el" href="dir_78009f08da3e03d86b70776dcc463e92.html">include</a></li><li class="navelem"><a class="el" href="dir_40c9e98f0599f998dfc16f8b0ec4bf37.html">geos</a></li><li class="navelem"><a class="el" href="dir_67f3340353d8558b9d1caebb1f793818.html">operation</a></li><li class="navelem"><a class="el" href="dir_f9762db72a4501c88c1aeec4abc7ed39.html">overlay</a></li> </ul> </div> </div><!-- top --> <div class="header"> <div class="headertitle"> <div class="title">PolygonBuilder.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/PolygonBuilder.java rev. 1.20 (JTS-1.10)</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_POLYGONBUILDER_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_POLYGONBUILDER_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 <vector></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">#ifdef _MSC_VER</span></div> <div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor"></span><span class="preprocessor">#pragma warning(push)</span></div> <div class="line"><a name="l00028"></a><span class="lineno"> 28</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="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div> <div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment">// Forward declarations</span></div> <div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="keyword">namespace </span>geos {</div> <div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="keyword">namespace </span>geom {</div> <div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="keyword">class </span>Geometry;</div> <div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keyword">class </span>Coordinate;</div> <div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keyword">class </span>GeometryFactory;</div> <div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  }</div> <div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keyword">namespace </span>geomgraph {</div> <div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keyword">class </span>EdgeRing;</div> <div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keyword">class </span>Node;</div> <div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keyword">class </span>PlanarGraph;</div> <div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keyword">class </span>DirectedEdge;</div> <div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  }</div> <div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keyword">namespace </span>operation {</div> <div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keyword">namespace </span>overlay {</div> <div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keyword">class </span>MaximalEdgeRing;</div> <div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keyword">class </span>MinimalEdgeRing;</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>  }</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"> 52</span> <span class="keyword">namespace </span>geos {</div> <div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="keyword">namespace </span>operation { <span class="comment">// geos::operation</span></div> <div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="keyword">namespace </span>overlay { <span class="comment">// geos::operation::overlay</span></div> <div class="line"><a name="l00055"></a><span class="lineno"> 55</span> </div> <div class="line"><a name="l00061"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1overlay_1_1PolygonBuilder.html"> 61</a></span> <span class="keyword">class </span>GEOS_DLL <a class="code" href="classgeos_1_1operation_1_1overlay_1_1PolygonBuilder.html">PolygonBuilder</a> {</div> <div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="keyword">public</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>  <a class="code" href="classgeos_1_1operation_1_1overlay_1_1PolygonBuilder.html">PolygonBuilder</a>(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1GeometryFactory.html">geom::GeometryFactory</a> *newGeometryFactory);</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>  ~<a class="code" href="classgeos_1_1operation_1_1overlay_1_1PolygonBuilder.html">PolygonBuilder</a>();</div> <div class="line"><a name="l00067"></a><span class="lineno"> 67</span> </div> <div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordtype">void</span> add(<a class="code" href="classgeos_1_1geomgraph_1_1PlanarGraph.html">geomgraph::PlanarGraph</a> *graph);</div> <div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="comment">// throw(const TopologyException &)</span></div> <div class="line"><a name="l00075"></a><span class="lineno"> 75</span> </div> <div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordtype">void</span> add(<span class="keyword">const</span> std::vector<geomgraph::DirectedEdge*> *dirEdges,</div> <div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keyword">const</span> std::vector<geomgraph::Node*> *nodes);</div> <div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="comment">// throw(const TopologyException &)</span></div> <div class="line"><a name="l00084"></a><span class="lineno"> 84</span> </div> <div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  std::vector<geom::Geometry*>* getPolygons();</div> <div class="line"><a name="l00086"></a><span class="lineno"> 86</span> </div> <div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordtype">bool</span> containsPoint(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a>& p);</div> <div class="line"><a name="l00092"></a><span class="lineno"> 92</span> </div> <div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="keyword">private</span>:</div> <div class="line"><a name="l00094"></a><span class="lineno"> 94</span> </div> <div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1GeometryFactory.html">geom::GeometryFactory</a> *geometryFactory;</div> <div class="line"><a name="l00096"></a><span class="lineno"> 96</span> </div> <div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  std::vector<geomgraph::EdgeRing*> shellList;</div> <div class="line"><a name="l00098"></a><span class="lineno"> 98</span> </div> <div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordtype">void</span> buildMaximalEdgeRings(</div> <div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keyword">const</span> std::vector<geomgraph::DirectedEdge*> *dirEdges,</div> <div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  std::vector<MaximalEdgeRing*> &maxEdgeRings);</div> <div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="comment">// throw(const TopologyException &)</span></div> <div class="line"><a name="l00110"></a><span class="lineno"> 110</span> </div> <div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keywordtype">void</span> buildMinimalEdgeRings(</div> <div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  std::vector<MaximalEdgeRing*> &maxEdgeRings,</div> <div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  std::vector<geomgraph::EdgeRing*> &newShellList,</div> <div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  std::vector<geomgraph::EdgeRing*> &freeHoleList,</div> <div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  std::vector<MaximalEdgeRing*> &edgeRings);</div> <div class="line"><a name="l00116"></a><span class="lineno"> 116</span> </div> <div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <a class="code" href="classgeos_1_1geomgraph_1_1EdgeRing.html">geomgraph::EdgeRing</a>* findShell(std::vector<MinimalEdgeRing*>* minEdgeRings);</div> <div class="line"><a name="l00129"></a><span class="lineno"> 129</span> </div> <div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keywordtype">void</span> placePolygonHoles(<a class="code" href="classgeos_1_1geomgraph_1_1EdgeRing.html">geomgraph::EdgeRing</a> *shell,</div> <div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  std::vector<MinimalEdgeRing*> *minEdgeRings);</div> <div class="line"><a name="l00143"></a><span class="lineno"> 143</span> </div> <div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keywordtype">void</span> sortShellsAndHoles(std::vector<MaximalEdgeRing*> &edgeRings,</div> <div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  std::vector<geomgraph::EdgeRing*> &newShellList,</div> <div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  std::vector<geomgraph::EdgeRing*> &freeHoleList);</div> <div class="line"><a name="l00154"></a><span class="lineno"> 154</span> </div> <div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordtype">void</span> placeFreeHoles(std::vector<geomgraph::EdgeRing*>& newShellList,</div> <div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  std::vector<geomgraph::EdgeRing*>& freeHoleList);</div> <div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="comment">// throw(const TopologyException&)</span></div> <div class="line"><a name="l00172"></a><span class="lineno"> 172</span> </div> <div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <a class="code" href="classgeos_1_1geomgraph_1_1EdgeRing.html">geomgraph::EdgeRing</a>* findEdgeRingContaining(<a class="code" href="classgeos_1_1geomgraph_1_1EdgeRing.html">geomgraph::EdgeRing</a> *testEr,</div> <div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  std::vector<geomgraph::EdgeRing*>& newShellList);</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>  std::vector<geom::Geometry*>* computePolygons(</div> <div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  std::vector<geomgraph::EdgeRing*>& newShellList);</div> <div class="line"><a name="l00196"></a><span class="lineno"> 196</span> </div> <div class="line"><a name="l00202"></a><span class="lineno"> 202</span> };</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> } <span class="comment">// namespace geos::operation::overlay</span></div> <div class="line"><a name="l00205"></a><span class="lineno"> 205</span> } <span class="comment">// namespace geos::operation</span></div> <div class="line"><a name="l00206"></a><span class="lineno"> 206</span> } <span class="comment">// namespace geos</span></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="preprocessor">#ifdef _MSC_VER</span></div> <div class="line"><a name="l00209"></a><span class="lineno"> 209</span> <span class="preprocessor"></span><span class="preprocessor">#pragma warning(pop)</span></div> <div class="line"><a name="l00210"></a><span class="lineno"> 210</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div> <div class="line"><a name="l00211"></a><span class="lineno"> 211</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00212"></a><span class="lineno"> 212</span> <span class="preprocessor">#endif // ndef GEOS_OP_OVERLAY_POLYGONBUILDER_H</span></div> <div class="ttc" id="classgeos_1_1operation_1_1overlay_1_1PolygonBuilder_html"><div class="ttname"><a href="classgeos_1_1operation_1_1overlay_1_1PolygonBuilder.html">geos::operation::overlay::PolygonBuilder</a></div><div class="ttdoc">Forms Polygon out of a graph of geomgraph::DirectedEdge. </div><div class="ttdef"><b>Definition:</b> PolygonBuilder.h:61</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_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_1geomgraph_1_1EdgeRing_html"><div class="ttname"><a href="classgeos_1_1geomgraph_1_1EdgeRing.html">geos::geomgraph::EdgeRing</a></div><div class="ttdef"><b>Definition:</b> geomgraph/EdgeRing.h:59</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:67</div></div> </div><!-- fragment --></div><!-- contents --> <!-- 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