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class="header"> <div class="headertitle"> <div class="title">Polygonizer.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) 2010 Sandro Santilli <strk@keybit.net></span></div> <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * Copyright (C) 2006 Refractions Research Inc.</span></div> <div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * Copyright (C) 2001-2002 Vivid Solutions Inc.</span></div> <div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> *</span></div> <div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * This is free software; you can redistribute and/or modify it under</span></div> <div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * the terms of the GNU Lesser General Public Licence as published</span></div> <div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * by the Free Software Foundation. </span></div> <div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * See the COPYING file for more information.</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"> **********************************************************************</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"> * Last port: operation/polygonize/Polygonizer.java rev. 1.6 (JTS-1.10)</span></div> <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> *</span></div> <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> **********************************************************************/</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="preprocessor">#ifndef GEOS_OP_POLYGONIZE_POLYGONIZER_H</span></div> <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor"></span><span class="preprocessor">#define GEOS_OP_POLYGONIZE_POLYGONIZER_H</span></div> <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <geos/export.h></span></div> <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <geos/geom/GeometryComponentFilter.h></span> <span class="comment">// for LineStringAdder inheritance</span></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="preprocessor">#include <vector></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>Geometry;</div> <div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keyword">class </span>LineString;</div> <div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keyword">class </span>Polygon;</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="keyword">namespace </span>operation { </div> <div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keyword">namespace </span>polygonize { </div> <div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keyword">class </span>EdgeRing;</div> <div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keyword">class </span>PolygonizeGraph;</div> <div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  }</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>polygonize { <span class="comment">// geos::operation::polygonize</span></div> <div class="line"><a name="l00052"></a><span class="lineno"> 52</span> </div> <div class="line"><a name="l00073"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1polygonize_1_1Polygonizer.html"> 73</a></span> <span class="keyword">class </span>GEOS_DLL <a class="code" href="classgeos_1_1operation_1_1polygonize_1_1Polygonizer.html">Polygonizer</a> {</div> <div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="keyword">private</span>:</div> <div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keyword">class </span>GEOS_DLL LineStringAdder: <span class="keyword">public</span> <a class="code" href="classgeos_1_1geom_1_1GeometryComponentFilter.html">geom::GeometryComponentFilter</a> {</div> <div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keyword">public</span>:</div> <div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <a class="code" href="classgeos_1_1operation_1_1polygonize_1_1Polygonizer.html">Polygonizer</a> *pol;</div> <div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  LineStringAdder(<a class="code" href="classgeos_1_1operation_1_1polygonize_1_1Polygonizer.html">Polygonizer</a> *p);</div> <div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="comment">//void filter_rw(geom::Geometry *g);</span></div> <div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keywordtype">void</span> filter_ro(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a> * g);</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> </div> <div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="comment">// default factory</span></div> <div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  LineStringAdder lineStringAdder;</div> <div class="line"><a name="l00088"></a><span class="lineno"> 88</span> </div> <div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordtype">void</span> add(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1LineString.html">geom::LineString</a> *line);</div> <div class="line"><a name="l00095"></a><span class="lineno"> 95</span> </div> <div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordtype">void</span> polygonize();</div> <div class="line"><a name="l00100"></a><span class="lineno"> 100</span> </div> <div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordtype">void</span> findValidRings(<span class="keyword">const</span> std::vector<EdgeRing*>& edgeRingList,</div> <div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  std::vector<EdgeRing*>& validEdgeRingList,</div> <div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  std::vector<geom::LineString*>& invalidRingList);</div> <div class="line"><a name="l00104"></a><span class="lineno"> 104</span> </div> <div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keywordtype">void</span> findShellsAndHoles(<span class="keyword">const</span> std::vector<EdgeRing*>& edgeRingList);</div> <div class="line"><a name="l00106"></a><span class="lineno"> 106</span> </div> <div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> assignHolesToShells(<span class="keyword">const</span> std::vector<EdgeRing*>& holeList,</div> <div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  std::vector<EdgeRing*>& shellList);</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>  <span class="keyword">static</span> <span class="keywordtype">void</span> assignHoleToShell(<a class="code" href="classgeos_1_1operation_1_1polygonize_1_1EdgeRing.html">EdgeRing</a> *holeER,</div> <div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  std::vector<EdgeRing*>& shellList);</div> <div class="line"><a name="l00112"></a><span class="lineno"> 112</span> </div> <div class="line"><a name="l00113"></a><span class="lineno"> 113</span> <span class="keyword">protected</span>:</div> <div class="line"><a name="l00114"></a><span class="lineno"> 114</span> </div> <div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <a class="code" href="classgeos_1_1operation_1_1polygonize_1_1PolygonizeGraph.html">PolygonizeGraph</a> *graph;</div> <div class="line"><a name="l00116"></a><span class="lineno"> 116</span> </div> <div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="comment">// initialize with empty collections, in case nothing is computed</span></div> <div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  std::vector<const geom::LineString*> dangles;</div> <div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  std::vector<const geom::LineString*> cutEdges;</div> <div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  std::vector<geom::LineString*> invalidRingLines;</div> <div class="line"><a name="l00121"></a><span class="lineno"> 121</span> </div> <div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  std::vector<EdgeRing*> holeList;</div> <div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  std::vector<EdgeRing*> shellList;</div> <div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  std::vector<geom::Polygon*> *polyList;</div> <div class="line"><a name="l00125"></a><span class="lineno"> 125</span> </div> <div class="line"><a name="l00126"></a><span class="lineno"> 126</span> <span class="keyword">public</span>:</div> <div class="line"><a name="l00127"></a><span class="lineno"> 127</span> </div> <div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <a class="code" href="classgeos_1_1operation_1_1polygonize_1_1Polygonizer.html">Polygonizer</a>();</div> <div class="line"><a name="l00133"></a><span class="lineno"> 133</span> </div> <div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  ~<a class="code" href="classgeos_1_1operation_1_1polygonize_1_1Polygonizer.html">Polygonizer</a>();</div> <div class="line"><a name="l00135"></a><span class="lineno"> 135</span> </div> <div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keywordtype">void</span> add(std::vector<geom::Geometry*> *geomList);</div> <div class="line"><a name="l00145"></a><span class="lineno"> 145</span> </div> <div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keywordtype">void</span> add(std::vector<const geom::Geometry*> *geomList);</div> <div class="line"><a name="l00155"></a><span class="lineno"> 155</span> </div> <div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keywordtype">void</span> add(<a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a> *g);</div> <div class="line"><a name="l00165"></a><span class="lineno"> 165</span> </div> <div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="keywordtype">void</span> add(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a> *g);</div> <div class="line"><a name="l00175"></a><span class="lineno"> 175</span> </div> <div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  std::vector<geom::Polygon*>* getPolygons();</div> <div class="line"><a name="l00184"></a><span class="lineno"> 184</span> </div> <div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="keyword">const</span> std::vector<const geom::LineString*>& getDangles();</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> </div> <div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="keyword">const</span> std::vector<const geom::LineString*>& getCutEdges();</div> <div class="line"><a name="l00203"></a><span class="lineno"> 203</span> </div> <div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="keyword">const</span> std::vector<geom::LineString*>& getInvalidRingLines();</div> <div class="line"><a name="l00213"></a><span class="lineno"> 213</span> </div> <div class="line"><a name="l00214"></a><span class="lineno"> 214</span> <span class="comment">// This seems to be needed by GCC 2.95.4</span></div> <div class="line"><a name="l00215"></a><span class="lineno"> 215</span> <span class="keyword">friend</span> <span class="keyword">class </span>Polygonizer::LineStringAdder;</div> <div class="line"><a name="l00216"></a><span class="lineno"> 216</span> };</div> <div class="line"><a name="l00217"></a><span class="lineno"> 217</span> </div> <div class="line"><a name="l00218"></a><span class="lineno"> 218</span> } <span class="comment">// namespace geos::operation::polygonize</span></div> <div class="line"><a name="l00219"></a><span class="lineno"> 219</span> } <span class="comment">// namespace geos::operation</span></div> <div class="line"><a name="l00220"></a><span class="lineno"> 220</span> } <span class="comment">// namespace geos</span></div> <div class="line"><a name="l00221"></a><span class="lineno"> 221</span> </div> <div class="line"><a name="l00222"></a><span class="lineno"> 222</span> <span class="preprocessor">#ifdef _MSC_VER</span></div> <div class="line"><a name="l00223"></a><span class="lineno"> 223</span> <span class="preprocessor"></span><span class="preprocessor">#pragma warning(pop)</span></div> <div class="line"><a name="l00224"></a><span class="lineno"> 224</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div> <div class="line"><a name="l00225"></a><span class="lineno"> 225</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00226"></a><span class="lineno"> 226</span> <span class="preprocessor">#endif // GEOS_OP_POLYGONIZE_POLYGONIZER_H</span></div> <div class="ttc" id="classgeos_1_1operation_1_1polygonize_1_1Polygonizer_html"><div class="ttname"><a href="classgeos_1_1operation_1_1polygonize_1_1Polygonizer.html">geos::operation::polygonize::Polygonizer</a></div><div class="ttdoc">Polygonizes a set of Geometrys which contain linework that represents the edges of a planar graph...</div><div class="ttdef"><b>Definition:</b> Polygonizer.h:73</div></div> <div class="ttc" id="classgeos_1_1operation_1_1polygonize_1_1PolygonizeGraph_html"><div class="ttname"><a href="classgeos_1_1operation_1_1polygonize_1_1PolygonizeGraph.html">geos::operation::polygonize::PolygonizeGraph</a></div><div class="ttdoc">Represents a planar graph of edges that can be used to compute a polygonization, and implements the a...</div><div class="ttdef"><b>Definition:</b> PolygonizeGraph.h:69</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:167</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:70</div></div> <div class="ttc" id="classgeos_1_1operation_1_1polygonize_1_1EdgeRing_html"><div class="ttname"><a href="classgeos_1_1operation_1_1polygonize_1_1EdgeRing.html">geos::operation::polygonize::EdgeRing</a></div><div class="ttdoc">Represents a ring of PolygonizeDirectedEdge which form a ring of a polygon. The ring may be either an...</div><div class="ttdef"><b>Definition:</b> operation/polygonize/EdgeRing.h:57</div></div> <div class="ttc" id="classgeos_1_1geom_1_1GeometryComponentFilter_html"><div class="ttname"><a href="classgeos_1_1geom_1_1GeometryComponentFilter.html">geos::geom::GeometryComponentFilter</a></div><div class="ttdef"><b>Definition:</b> GeometryComponentFilter.h:43</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>