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<a href="CascadedPolygonUnion_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) 2011 Sandro Santilli <strk@kbt.io></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"> *</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * This is free software; you can redistribute and/or modify it under</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * the terms of the GNU Lesser General Public Licence as published</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * by the Free Software Foundation.</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * See the COPYING file for more information.</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"> *</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * Last port: operation/union/CascadedPolygonUnion.java r487 (JTS-1.12+)</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * Includes custom code to deal with https://trac.osgeo.org/geos/ticket/837</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_UNION_CASCADEDPOLYGONUNION_H</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#define GEOS_OP_UNION_CASCADEDPOLYGONUNION_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 <<a class="code" href="export_8h.html">geos/export.h</a>></span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> </div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <vector></span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <algorithm></span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include <memory></span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> </div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include <<a class="code" href="GeometryListHolder_8h.html">geos/operation/union/GeometryListHolder.h</a>></span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include <<a class="code" href="UnionStrategy_8h.html">geos/operation/union/UnionStrategy.h</a>></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="comment">// Forward declarations</span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="keyword">namespace </span><a class="code" href="namespacegeos.html">geos</a> {</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="keyword">namespace </span>geom {</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> <span class="keyword">class </span>Geometry;</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="keyword">class </span>Polygon;</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="keyword">class </span>MultiPolygon;</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="keyword">class </span>Envelope;</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> }</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="keyword">namespace </span>index {</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="keyword">namespace </span>strtree {</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="keyword">class </span>ItemsList;</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><a class="code" href="namespacegeos.html">geos</a> {</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>geounion { <span class="comment">// geos::operation::geounion</span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> </div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> </div><div class="line"><a name="l00059"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1geounion_1_1ClassicUnionStrategy.html"> 59</a></span> <span class="keyword">class </span><a class="code" href="export_8h.html#ae36df939090171f6e9a28a8cb6254fea">GEOS_DLL</a> <a class="code" href="classgeos_1_1operation_1_1geounion_1_1ClassicUnionStrategy.html">ClassicUnionStrategy</a> : <span class="keyword">public</span> <a class="code" href="classgeos_1_1operation_1_1geounion_1_1UnionStrategy.html">UnionStrategy</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> <span class="keyword">public</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"><a class="line" href="classgeos_1_1operation_1_1geounion_1_1ClassicUnionStrategy.html#a9e667a04fadd696252e22c02bec9611e"> 63</a></span>  <a class="code" href="classgeos_1_1operation_1_1geounion_1_1ClassicUnionStrategy.html#a9e667a04fadd696252e22c02bec9611e">ClassicUnionStrategy</a>() {};</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> </div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  std::unique_ptr<geom::Geometry> Union(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>*, <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>*) <span class="keyword">override</span>;</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span> </div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordtype">bool</span> isFloatingPrecision() <span class="keyword">const override</span>;</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> </div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> </div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  std::unique_ptr<geom::Geometry> unionPolygonsByBuffer(<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="l00091"></a><span class="lineno"> 91</span> </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> </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> </div><div class="line"><a name="l00112"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1geounion_1_1CascadedPolygonUnion.html"> 112</a></span> <span class="keyword">class </span><a class="code" href="export_8h.html#ae36df939090171f6e9a28a8cb6254fea">GEOS_DLL</a> <a class="code" href="classgeos_1_1operation_1_1geounion_1_1CascadedPolygonUnion.html">CascadedPolygonUnion</a> {</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00114"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1geounion_1_1CascadedPolygonUnion.html#a24da7b632328facf21681a9633da8eb5"> 114</a></span>  std::vector<geom::Polygon*>* <a class="code" href="classgeos_1_1operation_1_1geounion_1_1CascadedPolygonUnion.html#a24da7b632328facf21681a9633da8eb5">inputPolys</a>;</div><div class="line"><a name="l00115"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1geounion_1_1CascadedPolygonUnion.html#af15dd379a6b2d8c9673e46ab257c1147"> 115</a></span>  <a class="code" href="classgeos_1_1geom_1_1GeometryFactory.html">geom::GeometryFactory</a> <span class="keyword">const</span>* <a class="code" href="classgeos_1_1operation_1_1geounion_1_1CascadedPolygonUnion.html#af15dd379a6b2d8c9673e46ab257c1147">geomFactory</a>;</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span> </div><div class="line"><a name="l00124"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1geounion_1_1CascadedPolygonUnion.html#aa4dc203c27a780a38a8852940f0747e8"> 124</a></span>  <span class="keyword">static</span> <span class="keywordtype">int</span> <span class="keyword">const</span> STRTREE_NODE_CAPACITY = 4;</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span> </div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keyword">static</span> std::unique_ptr<geom::Geometry> restrictToPolygons(std::unique_ptr<geom::Geometry> g);</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span> </div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <a class="code" href="classgeos_1_1operation_1_1geounion_1_1CascadedPolygonUnion.html">CascadedPolygonUnion</a>();</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span> </div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keyword">static</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>* Union(std::vector<geom::Polygon*>* polys);</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="keyword">static</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>* Union(std::vector<geom::Polygon*>* polys, <a class="code" href="classgeos_1_1operation_1_1geounion_1_1UnionStrategy.html">UnionStrategy</a>* unionFun);</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span> </div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keyword">template</span> <<span class="keyword">class</span> T></div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keyword">static</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>*</div><div class="line"><a name="l00164"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1geounion_1_1CascadedPolygonUnion.html#a07bc41b19d140bbcb45b0420b19763e4"> 164</a></span>  <a class="code" href="classgeos_1_1operation_1_1geounion_1_1CascadedPolygonUnion.html#a07bc41b19d140bbcb45b0420b19763e4">Union</a>(T start, T end, <a class="code" href="classgeos_1_1operation_1_1geounion_1_1UnionStrategy.html">UnionStrategy</a> *unionStrategy)</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  {</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  std::vector<geom::Polygon*> polys;</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keywordflow">for</span>(T i = start; i != end; ++i) {</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Polygon.html">geom::Polygon</a>* p = <span class="keyword">dynamic_cast<</span><span class="keyword">const </span><a class="code" href="classgeos_1_1geom_1_1Polygon.html">geom::Polygon</a>*<span class="keyword">></span>(*i);</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  polys.push_back(const_cast<geom::Polygon*>(p));</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  }</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordflow">return</span> Union(&polys, unionStrategy);</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> </div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="keyword">static</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>* Union(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1MultiPolygon.html">geom::MultiPolygon</a>* polys);</div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span> </div><div class="line"><a name="l00189"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1geounion_1_1CascadedPolygonUnion.html#a056d0965591c58d015e1bc5b924a9999"> 189</a></span>  <a class="code" href="classgeos_1_1operation_1_1geounion_1_1CascadedPolygonUnion.html#a056d0965591c58d015e1bc5b924a9999">CascadedPolygonUnion</a>(std::vector<geom::Polygon*>* polys)</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  : inputPolys(polys)</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  , geomFactory(nullptr)</div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  , unionFunction(&defaultUnionFunction)</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="l00195"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1geounion_1_1CascadedPolygonUnion.html#a960a59ff19d13c95e9ba635d1765f46e"> 195</a></span>  <a class="code" href="classgeos_1_1operation_1_1geounion_1_1CascadedPolygonUnion.html#a960a59ff19d13c95e9ba635d1765f46e">CascadedPolygonUnion</a>(std::vector<geom::Polygon*>* polys, <a class="code" href="classgeos_1_1operation_1_1geounion_1_1UnionStrategy.html">UnionStrategy</a>* unionFun)</div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  : inputPolys(polys)</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  , geomFactory(nullptr)</div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  , unionFunction(unionFun)</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> </div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>* Union();</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span> </div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span> </div><div class="line"><a name="l00211"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1geounion_1_1CascadedPolygonUnion.html#af21f92b8bcf0349e92d3cd4ea69a597a"> 211</a></span>  <a class="code" href="classgeos_1_1operation_1_1geounion_1_1UnionStrategy.html">UnionStrategy</a>* <a class="code" href="classgeos_1_1operation_1_1geounion_1_1CascadedPolygonUnion.html#af21f92b8bcf0349e92d3cd4ea69a597a">unionFunction</a>;</div><div class="line"><a name="l00212"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1geounion_1_1CascadedPolygonUnion.html#a66361db699fa801d0e8d82875b507f3a"> 212</a></span>  <a class="code" href="classgeos_1_1operation_1_1geounion_1_1ClassicUnionStrategy.html">ClassicUnionStrategy</a> <a class="code" href="classgeos_1_1operation_1_1geounion_1_1CascadedPolygonUnion.html#a66361db699fa801d0e8d82875b507f3a">defaultUnionFunction</a>;</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>  <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>* unionTree(<a class="code" href="classgeos_1_1index_1_1strtree_1_1ItemsList.html">index::strtree::ItemsList</a>* geomTree);</div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span> </div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>* binaryUnion(<a class="code" href="classgeos_1_1operation_1_1geounion_1_1GeometryListHolder.html">GeometryListHolder</a>* geoms);</div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span> </div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>* binaryUnion(<a class="code" href="classgeos_1_1operation_1_1geounion_1_1GeometryListHolder.html">GeometryListHolder</a>* geoms, std::size_t start,</div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  std::size_t end);</div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span> </div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <a class="code" href="classgeos_1_1operation_1_1geounion_1_1GeometryListHolder.html">GeometryListHolder</a>* reduceToGeometries(<a class="code" href="classgeos_1_1index_1_1strtree_1_1ItemsList.html">index::strtree::ItemsList</a>* geomTree);</div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span> </div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>* unionSafe(<a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>* g0, <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>* g1);</div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span> </div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>* unionActual(<a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>* g0, <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>* g1);</div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span> };</div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span> </div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span> </div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span> </div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span> </div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span> </div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span> } <span class="comment">// namespace geos::operation::union</span></div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span> } <span class="comment">// namespace geos::operation</span></div><div class="line"><a name="l00271"></a><span class="lineno"> 271</span> } <span class="comment">// namespace geos</span></div><div class="line"><a name="l00272"></a><span class="lineno"> 272</span> </div><div class="line"><a name="l00273"></a><span class="lineno"> 273</span> <span class="preprocessor">#endif</span></div><div class="ttc" id="classgeos_1_1operation_1_1geounion_1_1CascadedPolygonUnion_html_a66361db699fa801d0e8d82875b507f3a"><div class="ttname"><a href="classgeos_1_1operation_1_1geounion_1_1CascadedPolygonUnion.html#a66361db699fa801d0e8d82875b507f3a">geos::operation::geounion::CascadedPolygonUnion::defaultUnionFunction</a></div><div class="ttdeci">ClassicUnionStrategy defaultUnionFunction</div><div class="ttdef"><b>Definition:</b> <a href="CascadedPolygonUnion_8h_source.html#l00212">CascadedPolygonUnion.h:212</a></div></div>
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<div class="ttc" id="classgeos_1_1operation_1_1geounion_1_1CascadedPolygonUnion_html_a056d0965591c58d015e1bc5b924a9999"><div class="ttname"><a href="classgeos_1_1operation_1_1geounion_1_1CascadedPolygonUnion.html#a056d0965591c58d015e1bc5b924a9999">geos::operation::geounion::CascadedPolygonUnion::CascadedPolygonUnion</a></div><div class="ttdeci">CascadedPolygonUnion(std::vector< geom::Polygon * > *polys)</div><div class="ttdoc">Creates a new instance to union the given collection of Geometrys. </div><div class="ttdef"><b>Definition:</b> <a href="CascadedPolygonUnion_8h_source.html#l00189">CascadedPolygonUnion.h:189</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="export_8h_html"><div class="ttname"><a href="export_8h.html">export.h</a></div></div>
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<div class="ttc" id="classgeos_1_1geom_1_1MultiPolygon_html"><div class="ttname"><a href="classgeos_1_1geom_1_1MultiPolygon.html">geos::geom::MultiPolygon</a></div><div class="ttdef"><b>Definition:</b> <a href="MultiPolygon_8h_source.html#l00059">MultiPolygon.h:59</a></div></div>
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<div class="ttc" id="classgeos_1_1operation_1_1geounion_1_1ClassicUnionStrategy_html"><div class="ttname"><a href="classgeos_1_1operation_1_1geounion_1_1ClassicUnionStrategy.html">geos::operation::geounion::ClassicUnionStrategy</a></div><div class="ttdoc">Implementation of UnionStrategy that provides overlay using the first generation overlay routines...</div><div class="ttdef"><b>Definition:</b> <a href="CascadedPolygonUnion_8h_source.html#l00059">CascadedPolygonUnion.h:59</a></div></div>
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<div class="ttc" id="classgeos_1_1operation_1_1geounion_1_1UnionStrategy_html"><div class="ttname"><a href="classgeos_1_1operation_1_1geounion_1_1UnionStrategy.html">geos::operation::geounion::UnionStrategy</a></div><div class="ttdef"><b>Definition:</b> <a href="UnionStrategy_8h_source.html#l00040">UnionStrategy.h:40</a></div></div>
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<div class="ttc" id="classgeos_1_1operation_1_1geounion_1_1CascadedPolygonUnion_html_a24da7b632328facf21681a9633da8eb5"><div class="ttname"><a href="classgeos_1_1operation_1_1geounion_1_1CascadedPolygonUnion.html#a24da7b632328facf21681a9633da8eb5">geos::operation::geounion::CascadedPolygonUnion::inputPolys</a></div><div class="ttdeci">std::vector< geom::Polygon * > * inputPolys</div><div class="ttdef"><b>Definition:</b> <a href="CascadedPolygonUnion_8h_source.html#l00114">CascadedPolygonUnion.h:114</a></div></div>
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<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> <a href="Geometry_8h_source.html#l00188">Geometry.h:188</a></div></div>
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<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> <a href="Polygon_8h_source.html#l00064">Polygon.h:64</a></div></div>
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<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> <a href="GeometryFactory_8h_source.html#l00068">GeometryFactory.h:68</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_1operation_1_1geounion_1_1CascadedPolygonUnion_html_af21f92b8bcf0349e92d3cd4ea69a597a"><div class="ttname"><a href="classgeos_1_1operation_1_1geounion_1_1CascadedPolygonUnion.html#af21f92b8bcf0349e92d3cd4ea69a597a">geos::operation::geounion::CascadedPolygonUnion::unionFunction</a></div><div class="ttdeci">UnionStrategy * unionFunction</div><div class="ttdef"><b>Definition:</b> <a href="CascadedPolygonUnion_8h_source.html#l00211">CascadedPolygonUnion.h:211</a></div></div>
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<div class="ttc" id="classgeos_1_1operation_1_1geounion_1_1CascadedPolygonUnion_html"><div class="ttname"><a href="classgeos_1_1operation_1_1geounion_1_1CascadedPolygonUnion.html">geos::operation::geounion::CascadedPolygonUnion</a></div><div class="ttdoc">Provides an efficient method of unioning a collection of polygonal geometries. </div><div class="ttdef"><b>Definition:</b> <a href="CascadedPolygonUnion_8h_source.html#l00112">CascadedPolygonUnion.h:112</a></div></div>
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<div class="ttc" id="classgeos_1_1operation_1_1geounion_1_1GeometryListHolder_html"><div class="ttname"><a href="classgeos_1_1operation_1_1geounion_1_1GeometryListHolder.html">geos::operation::geounion::GeometryListHolder</a></div><div class="ttdoc">Helper class holding Geometries, part of which are held by reference others are held exclusively...</div><div class="ttdef"><b>Definition:</b> <a href="GeometryListHolder_8h_source.html#l00034">GeometryListHolder.h:34</a></div></div>
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<div class="ttc" id="classgeos_1_1operation_1_1geounion_1_1CascadedPolygonUnion_html_af15dd379a6b2d8c9673e46ab257c1147"><div class="ttname"><a href="classgeos_1_1operation_1_1geounion_1_1CascadedPolygonUnion.html#af15dd379a6b2d8c9673e46ab257c1147">geos::operation::geounion::CascadedPolygonUnion::geomFactory</a></div><div class="ttdeci">geom::GeometryFactory const * geomFactory</div><div class="ttdef"><b>Definition:</b> <a href="CascadedPolygonUnion_8h_source.html#l00115">CascadedPolygonUnion.h:115</a></div></div>
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<div class="ttc" id="UnionStrategy_8h_html"><div class="ttname"><a href="UnionStrategy_8h.html">UnionStrategy.h</a></div></div>
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<div class="ttc" id="classgeos_1_1operation_1_1geounion_1_1CascadedPolygonUnion_html_a960a59ff19d13c95e9ba635d1765f46e"><div class="ttname"><a href="classgeos_1_1operation_1_1geounion_1_1CascadedPolygonUnion.html#a960a59ff19d13c95e9ba635d1765f46e">geos::operation::geounion::CascadedPolygonUnion::CascadedPolygonUnion</a></div><div class="ttdeci">CascadedPolygonUnion(std::vector< geom::Polygon * > *polys, UnionStrategy *unionFun)</div><div class="ttdef"><b>Definition:</b> <a href="CascadedPolygonUnion_8h_source.html#l00195">CascadedPolygonUnion.h:195</a></div></div>
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<div class="ttc" id="classgeos_1_1index_1_1strtree_1_1ItemsList_html"><div class="ttname"><a href="classgeos_1_1index_1_1strtree_1_1ItemsList.html">geos::index::strtree::ItemsList</a></div><div class="ttdef"><b>Definition:</b> <a href="AbstractSTRtree_8h_source.html#l00094">AbstractSTRtree.h:94</a></div></div>
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<div class="ttc" id="GeometryListHolder_8h_html"><div class="ttname"><a href="GeometryListHolder_8h.html">GeometryListHolder.h</a></div></div>
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<div class="ttc" id="classgeos_1_1operation_1_1geounion_1_1ClassicUnionStrategy_html_a9e667a04fadd696252e22c02bec9611e"><div class="ttname"><a href="classgeos_1_1operation_1_1geounion_1_1ClassicUnionStrategy.html#a9e667a04fadd696252e22c02bec9611e">geos::operation::geounion::ClassicUnionStrategy::ClassicUnionStrategy</a></div><div class="ttdeci">ClassicUnionStrategy()</div><div class="ttdef"><b>Definition:</b> <a href="CascadedPolygonUnion_8h_source.html#l00063">CascadedPolygonUnion.h:63</a></div></div>
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<div class="ttc" id="classgeos_1_1operation_1_1geounion_1_1CascadedPolygonUnion_html_a07bc41b19d140bbcb45b0420b19763e4"><div class="ttname"><a href="classgeos_1_1operation_1_1geounion_1_1CascadedPolygonUnion.html#a07bc41b19d140bbcb45b0420b19763e4">geos::operation::geounion::CascadedPolygonUnion::Union</a></div><div class="ttdeci">static geom::Geometry * Union(T start, T end, UnionStrategy *unionStrategy)</div><div class="ttdoc">Computes the union of a set of polygonal Geometrys. </div><div class="ttdef"><b>Definition:</b> <a href="CascadedPolygonUnion_8h_source.html#l00164">CascadedPolygonUnion.h:164</a></div></div>
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