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<a href="LineSequencer_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>&#160;<span class="comment">/**********************************************************************</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment"> * GEOS - Geometry Engine Open Source</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment"> * http://geos.osgeo.org</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="comment"> * Copyright (C) 2011 Sandro Santilli &lt;strk@kbt.io&gt;</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="comment"> * Copyright (C) 2006 Refractions Research Inc.</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<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>&#160;<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>&#160;<span class="comment"> * by the Free Software Foundation.</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="comment"> * See the COPYING file for more information.</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="comment"> **********************************************************************</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="comment"> * Last port: operation/linemerge/LineSequencer.java r378 (JTS-1.12)</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="comment"> **********************************************************************/</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;</div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="preprocessor">#ifndef GEOS_OP_LINEMERGE_LINESEQUENCER_H</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;<span class="preprocessor">#define GEOS_OP_LINEMERGE_LINESEQUENCER_H</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="export_8h.html">geos/export.h</a>&gt;</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="LineMergeGraph_8h.html">geos/operation/linemerge/LineMergeGraph.h</a>&gt;</span> <span class="comment">// for composition</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="Geometry_8h.html">geos/geom/Geometry.h</a>&gt;</span> <span class="comment">// for inlines</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="LineString_8h.html">geos/geom/LineString.h</a>&gt;</span> <span class="comment">// for inlines</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;<span class="preprocessor">#include &lt;vector&gt;</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;<span class="preprocessor">#include &lt;list&gt;</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;<span class="preprocessor">#include &lt;memory&gt;</span> <span class="comment">// for unique_ptr</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160;</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;<span class="preprocessor">#ifdef _MSC_VER</span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160;<span class="preprocessor">#pragma warning(push)</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160;<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>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160;</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160;<span class="comment">// Forward declarations</span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespacegeos.html">geos</a> {</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160;<span class="keyword">namespace </span>geom {</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160;<span class="keyword">class </span>GeometryFactory;</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160;<span class="keyword">class </span>Geometry;</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160;<span class="keyword">class </span>LineString;</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160;}</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160;<span class="keyword">namespace </span>planargraph {</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160;<span class="keyword">class </span>DirectedEdge;</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160;<span class="keyword">class </span>Subgraph;</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160;<span class="keyword">class </span>Node;</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160;}</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160;}</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160;</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160;</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespacegeos.html">geos</a> {</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160;<span class="keyword">namespace </span>operation { <span class="comment">// geos::operation</span></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160;<span class="keyword">namespace </span>linemerge { <span class="comment">// geos::operation::linemerge</span></div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160;</div><div class="line"><a name="l00093"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1linemerge_1_1LineSequencer.html"> 93</a></span>&#160;<span class="keyword">class </span><a class="code" href="export_8h.html#ae36df939090171f6e9a28a8cb6254fea">GEOS_DLL</a> <a class="code" href="classgeos_1_1operation_1_1linemerge_1_1LineSequencer.html">LineSequencer</a> {</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160;</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160;<span class="keyword">private</span>:</div><div class="line"><a name="l00096"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1linemerge_1_1LineSequencer.html#a2c0f10088b70b8c644e4e64ed453a0ca"> 96</a></span>&#160; <span class="keyword">typedef</span> std::list&lt;planargraph::DirectedEdge*&gt; <a class="code" href="classgeos_1_1operation_1_1linemerge_1_1LineSequencer.html#a2c0f10088b70b8c644e4e64ed453a0ca">DirEdgeList</a>;</div><div class="line"><a name="l00097"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1linemerge_1_1LineSequencer.html#a44bad8dd33e10469b2889978a266c4b4"> 97</a></span>&#160; <span class="keyword">typedef</span> std::vector&lt; DirEdgeList* &gt; <a class="code" href="classgeos_1_1operation_1_1linemerge_1_1LineSequencer.html#a44bad8dd33e10469b2889978a266c4b4">Sequences</a>;</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160;</div><div class="line"><a name="l00099"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1linemerge_1_1LineSequencer.html#a561b65b906dd4c1bc236b35b4c535db4"> 99</a></span>&#160; <a class="code" href="classgeos_1_1operation_1_1linemerge_1_1LineMergeGraph.html">LineMergeGraph</a> <a class="code" href="classgeos_1_1operation_1_1linemerge_1_1LineSequencer.html#a561b65b906dd4c1bc236b35b4c535db4">graph</a>;</div><div class="line"><a name="l00100"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1linemerge_1_1LineSequencer.html#a4f151b86ea022d8a2187aaf96b799d6a"> 100</a></span>&#160; <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1GeometryFactory.html">geom::GeometryFactory</a>* <a class="code" href="classgeos_1_1operation_1_1linemerge_1_1LineSequencer.html#a4f151b86ea022d8a2187aaf96b799d6a">factory</a>;</div><div class="line"><a name="l00101"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1linemerge_1_1LineSequencer.html#a3bcf554f3d1ca862066e91aeb1f673c5"> 101</a></span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classgeos_1_1operation_1_1linemerge_1_1LineSequencer.html#a3bcf554f3d1ca862066e91aeb1f673c5">lineCount</a>;</div><div class="line"><a name="l00102"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1linemerge_1_1LineSequencer.html#abc13840277ed63c0469971db28c6281e"> 102</a></span>&#160; <span class="keywordtype">bool</span> <a class="code" href="classgeos_1_1operation_1_1linemerge_1_1LineSequencer.html#abc13840277ed63c0469971db28c6281e">isRun</a>;</div><div class="line"><a name="l00103"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1linemerge_1_1LineSequencer.html#ad415cb1425385af578e879ad9044298b"> 103</a></span>&#160; std::unique_ptr&lt;geom::Geometry&gt; <a class="code" href="classgeos_1_1operation_1_1linemerge_1_1LineSequencer.html#ad415cb1425385af578e879ad9044298b">sequencedGeometry</a>;</div><div class="line"><a name="l00104"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1linemerge_1_1LineSequencer.html#a18d54d6346ccb65e6b1e44f4c2fa4cae"> 104</a></span>&#160; <span class="keywordtype">bool</span> <a class="code" href="classgeos_1_1operation_1_1linemerge_1_1LineSequencer.html#a18d54d6346ccb65e6b1e44f4c2fa4cae">isSequenceableVar</a>;</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160;</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160; <span class="keywordtype">void</span> addLine(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1LineString.html">geom::LineString</a>* lineString);</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160; <span class="keywordtype">void</span> computeSequence();</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160; Sequences* findSequences();</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160; DirEdgeList* findSequence(<a class="code" href="classgeos_1_1planargraph_1_1Subgraph.html">planargraph::Subgraph</a>&amp; graph);</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160;</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160; <span class="keywordtype">void</span> delAll(Sequences&amp;);</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160;</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160; <span class="keyword">static</span> <a class="code" href="classgeos_1_1geom_1_1LineString.html">geom::LineString</a>* reverse(<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="l00115"></a><span class="lineno"> 115</span>&#160;</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>* buildSequencedGeometry(<span class="keyword">const</span> Sequences&amp; sequences);</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160;</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160; <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="classgeos_1_1planargraph_1_1Node.html">planargraph::Node</a>* findLowestDegreeNode(</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; <span class="keyword">const</span> <a class="code" href="classgeos_1_1planargraph_1_1Subgraph.html">planargraph::Subgraph</a>&amp; graph);</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160;</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160; <span class="keywordtype">void</span> addReverseSubpath(<span class="keyword">const</span> <a class="code" href="classgeos_1_1planargraph_1_1DirectedEdge.html">planargraph::DirectedEdge</a>* de,</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160; DirEdgeList&amp; deList,</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160; DirEdgeList::iterator lit,</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160; <span class="keywordtype">bool</span> expectedClosed);</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160;</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160; <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="classgeos_1_1planargraph_1_1DirectedEdge.html">planargraph::DirectedEdge</a>* findUnvisitedBestOrientedDE(</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160; <span class="keyword">const</span> <a class="code" href="classgeos_1_1planargraph_1_1Node.html">planargraph::Node</a>* node);</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160;</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160; DirEdgeList* orient(DirEdgeList* seq);</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160;</div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160; DirEdgeList* reverse(DirEdgeList&amp; seq);</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>&#160;</div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>&#160; <span class="keywordtype">bool</span> hasSequence(<a class="code" href="classgeos_1_1planargraph_1_1Subgraph.html">planargraph::Subgraph</a>&amp; graph);</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>&#160;</div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>&#160;</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>&#160; <span class="keyword">static</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>*</div><div class="line"><a name="l00191"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1linemerge_1_1LineSequencer.html#a491259262fcd064a8d199d8e3823f8b2"> 191</a></span>&#160; <a class="code" href="classgeos_1_1operation_1_1linemerge_1_1LineSequencer.html#a491259262fcd064a8d199d8e3823f8b2">sequence</a>(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>&amp; geom)</div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>&#160; {</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>&#160; <a class="code" href="classgeos_1_1operation_1_1linemerge_1_1LineSequencer.html">LineSequencer</a> sequencer;</div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span>&#160; sequencer.<a class="code" href="classgeos_1_1operation_1_1linemerge_1_1LineSequencer.html#aa0b6aa09f7f894d46510d94b76eb07ba">add</a>(geom);</div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>&#160; <span class="keywordflow">return</span> sequencer.<a class="code" href="classgeos_1_1operation_1_1linemerge_1_1LineSequencer.html#a40cd323835090fd35250b3aff87f95b6">getSequencedLineStrings</a>();</div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span>&#160; }</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>&#160;</div><div class="line"><a name="l00198"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1linemerge_1_1LineSequencer.html#a4770f671b801959d632d968d30d6fb0c"> 198</a></span>&#160; <a class="code" href="classgeos_1_1operation_1_1linemerge_1_1LineSequencer.html#a4770f671b801959d632d968d30d6fb0c">LineSequencer</a>()</div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>&#160; :</div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>&#160; factory(nullptr),</div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>&#160; lineCount(0),</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>&#160; isRun(false),</div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>&#160; sequencedGeometry(nullptr),</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>&#160; isSequenceableVar(false)</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>&#160; {}</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>&#160;</div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span>&#160; <span class="keyword">static</span> <span class="keywordtype">bool</span> isSequenced(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>* geom);</div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span>&#160;</div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span>&#160; <span class="keywordtype">bool</span></div><div class="line"><a name="l00227"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1linemerge_1_1LineSequencer.html#a6f67bdb9cae41e922f385097864854a2"> 227</a></span>&#160; <a class="code" href="classgeos_1_1operation_1_1linemerge_1_1LineSequencer.html#a6f67bdb9cae41e922f385097864854a2">isSequenceable</a>()</div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span>&#160; {</div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>&#160; computeSequence();</div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span>&#160; <span class="keywordflow">return</span> isSequenceableVar;</div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span>&#160; }</div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span>&#160;</div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span>&#160; <span class="keywordtype">void</span></div><div class="line"><a name="l00243"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1linemerge_1_1LineSequencer.html#aa0b6aa09f7f894d46510d94b76eb07ba"> 243</a></span>&#160; <a class="code" href="classgeos_1_1operation_1_1linemerge_1_1LineSequencer.html#aa0b6aa09f7f894d46510d94b76eb07ba">add</a>(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>&amp; geometry)</div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span>&#160; {</div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span>&#160; geometry.<a class="code" href="classgeos_1_1geom_1_1Geometry.html#a979504ef90b6d3b67af529cec504fbfe">applyComponentFilter</a>(*<span class="keyword">this</span>);</div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span>&#160; }</div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span>&#160;</div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">class</span> TargetContainer&gt;</div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span>&#160; <span class="keywordtype">void</span></div><div class="line"><a name="l00250"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1linemerge_1_1LineSequencer.html#ae96f648dc99abbdb16da98475f0151ef"> 250</a></span>&#160; <a class="code" href="classgeos_1_1operation_1_1linemerge_1_1LineSequencer.html#ae96f648dc99abbdb16da98475f0151ef">add</a>(TargetContainer&amp; geoms)</div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span>&#160; {</div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span>&#160; <span class="keywordflow">for</span>(<span class="keyword">typename</span> TargetContainer::const_iterator i = geoms.begin(),</div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span>&#160; e = geoms.end(); i != e; ++i) {</div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span>&#160; <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>* g = *i;</div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span>&#160; add(*g);</div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span>&#160; }</div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span>&#160; }</div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span>&#160;</div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span>&#160; <span class="keywordtype">void</span></div><div class="line"><a name="l00264"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1linemerge_1_1LineSequencer.html#aa869e231e53cda4dfbacd04eabbff7c0"> 264</a></span>&#160; <a class="code" href="classgeos_1_1operation_1_1linemerge_1_1LineSequencer.html#aa869e231e53cda4dfbacd04eabbff7c0">filter</a>(<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="l00265"></a><span class="lineno"> 265</span>&#160; {</div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span>&#160; <span class="keywordflow">if</span>(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1LineString.html">geom::LineString</a>* ls = dynamic_cast&lt;const geom::LineString*&gt;(g)) {</div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span>&#160; addLine(ls);</div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span>&#160; }</div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span>&#160; }</div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span>&#160;</div><div class="line"><a name="l00280"></a><span class="lineno"> 280</span>&#160; <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>*</div><div class="line"><a name="l00281"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1linemerge_1_1LineSequencer.html#a40cd323835090fd35250b3aff87f95b6"> 281</a></span>&#160; <a class="code" href="classgeos_1_1operation_1_1linemerge_1_1LineSequencer.html#a40cd323835090fd35250b3aff87f95b6">getSequencedLineStrings</a>(<span class="keywordtype">bool</span> release = 1)</div><div class="line"><a name="l00282"></a><span class="lineno"> 282</span>&#160; {</div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span>&#160; computeSequence();</div><div class="line"><a name="l00284"></a><span class="lineno"> 284</span>&#160; <span class="keywordflow">if</span>(release) {</div><div class="line"><a name="l00285"></a><span class="lineno"> 285</span>&#160; <span class="keywordflow">return</span> sequencedGeometry.release();</div><div class="line"><a name="l00286"></a><span class="lineno"> 286</span>&#160; }</div><div class="line"><a name="l00287"></a><span class="lineno"> 287</span>&#160; <span class="keywordflow">else</span> {</div><div class="line"><a name="l00288"></a><span class="lineno"> 288</span>&#160; <span class="keywordflow">return</span> sequencedGeometry.get();</div><div class="line"><a name="l00289"></a><span class="lineno"> 289</span>&#160; }</div><div class="line"><a name="l00290"></a><span class="lineno"> 290</span>&#160; }</div><div class="line"><a name="l00291"></a><span class="lineno"> 291</span>&#160;};</div><div class="line"><a name="l00292"></a><span class="lineno"> 292</span>&#160;</div><div class="line"><a name="l00293"></a><span class="lineno"> 293</span>&#160;} <span class="comment">// namespace geos::operation::linemerge</span></div><div class="line"><a name="l00294"></a><span class="lineno"> 294</span>&#160;} <span class="comment">// namespace geos::operation</span></div><div class="line"><a name="l00295"></a><span class="lineno"> 295</span>&#160;} <span class="comment">// namespace geos</span></div><div class="line"><a name="l00296"></a><span class="lineno"> 296</span>&#160;</div><div class="line"><a name="l00297"></a><span class="lineno"> 297</span>&#160;<span class="preprocessor">#ifdef _MSC_VER</span></div><div class="line"><a name="l00298"></a><span class="lineno"> 298</span>&#160;<span class="preprocessor">#pragma warning(pop)</span></div><div class="line"><a name="l00299"></a><span class="lineno"> 299</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00300"></a><span class="lineno"> 300</span>&#160;</div><div class="line"><a name="l00301"></a><span class="lineno"> 301</span>&#160;<span class="preprocessor">#endif // GEOS_OP_LINEMERGE_LINESEQUENCER_H</span></div><div class="ttc" id="classgeos_1_1operation_1_1linemerge_1_1LineSequencer_html"><div class="ttname"><a href="classgeos_1_1operation_1_1linemerge_1_1LineSequencer.html">geos::operation::linemerge::LineSequencer</a></div><div class="ttdoc">Builds a sequence from a set of LineStrings so that they are ordered end to end. </div><div class="ttdef"><b>Definition:</b> <a href="LineSequencer_8h_source.html#l00093">LineSequencer.h:93</a></div></div>
<div class="ttc" id="classgeos_1_1operation_1_1linemerge_1_1LineSequencer_html_abc13840277ed63c0469971db28c6281e"><div class="ttname"><a href="classgeos_1_1operation_1_1linemerge_1_1LineSequencer.html#abc13840277ed63c0469971db28c6281e">geos::operation::linemerge::LineSequencer::isRun</a></div><div class="ttdeci">bool isRun</div><div class="ttdef"><b>Definition:</b> <a href="LineSequencer_8h_source.html#l00102">LineSequencer.h:102</a></div></div>
<div class="ttc" id="classgeos_1_1operation_1_1linemerge_1_1LineSequencer_html_a491259262fcd064a8d199d8e3823f8b2"><div class="ttname"><a href="classgeos_1_1operation_1_1linemerge_1_1LineSequencer.html#a491259262fcd064a8d199d8e3823f8b2">geos::operation::linemerge::LineSequencer::sequence</a></div><div class="ttdeci">static geom::Geometry * sequence(const geom::Geometry &amp;geom)</div><div class="ttdef"><b>Definition:</b> <a href="LineSequencer_8h_source.html#l00191">LineSequencer.h:191</a></div></div>
<div class="ttc" id="classgeos_1_1operation_1_1linemerge_1_1LineSequencer_html_aa869e231e53cda4dfbacd04eabbff7c0"><div class="ttname"><a href="classgeos_1_1operation_1_1linemerge_1_1LineSequencer.html#aa869e231e53cda4dfbacd04eabbff7c0">geos::operation::linemerge::LineSequencer::filter</a></div><div class="ttdeci">void filter(const geom::Geometry *g)</div><div class="ttdoc">Act as a GeometryComponentFilter so to extract the linearworks. </div><div class="ttdef"><b>Definition:</b> <a href="LineSequencer_8h_source.html#l00264">LineSequencer.h:264</a></div></div>
<div class="ttc" id="classgeos_1_1operation_1_1linemerge_1_1LineSequencer_html_a4f151b86ea022d8a2187aaf96b799d6a"><div class="ttname"><a href="classgeos_1_1operation_1_1linemerge_1_1LineSequencer.html#a4f151b86ea022d8a2187aaf96b799d6a">geos::operation::linemerge::LineSequencer::factory</a></div><div class="ttdeci">const geom::GeometryFactory * factory</div><div class="ttdef"><b>Definition:</b> <a href="LineSequencer_8h_source.html#l00100">LineSequencer.h:100</a></div></div>
<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>
<div class="ttc" id="classgeos_1_1operation_1_1linemerge_1_1LineSequencer_html_a3bcf554f3d1ca862066e91aeb1f673c5"><div class="ttname"><a href="classgeos_1_1operation_1_1linemerge_1_1LineSequencer.html#a3bcf554f3d1ca862066e91aeb1f673c5">geos::operation::linemerge::LineSequencer::lineCount</a></div><div class="ttdeci">unsigned int lineCount</div><div class="ttdef"><b>Definition:</b> <a href="LineSequencer_8h_source.html#l00101">LineSequencer.h:101</a></div></div>
<div class="ttc" id="classgeos_1_1operation_1_1linemerge_1_1LineSequencer_html_a40cd323835090fd35250b3aff87f95b6"><div class="ttname"><a href="classgeos_1_1operation_1_1linemerge_1_1LineSequencer.html#a40cd323835090fd35250b3aff87f95b6">geos::operation::linemerge::LineSequencer::getSequencedLineStrings</a></div><div class="ttdeci">geom::Geometry * getSequencedLineStrings(bool release=1)</div><div class="ttdoc">Returns the LineString or MultiLineString built by the sequencing process, if one exists...</div><div class="ttdef"><b>Definition:</b> <a href="LineSequencer_8h_source.html#l00281">LineSequencer.h:281</a></div></div>
<div class="ttc" id="export_8h_html"><div class="ttname"><a href="export_8h.html">export.h</a></div></div>
<div class="ttc" id="classgeos_1_1operation_1_1linemerge_1_1LineSequencer_html_a6f67bdb9cae41e922f385097864854a2"><div class="ttname"><a href="classgeos_1_1operation_1_1linemerge_1_1LineSequencer.html#a6f67bdb9cae41e922f385097864854a2">geos::operation::linemerge::LineSequencer::isSequenceable</a></div><div class="ttdeci">bool isSequenceable()</div><div class="ttdoc">Tests whether the arrangement of linestrings has a valid sequence. </div><div class="ttdef"><b>Definition:</b> <a href="LineSequencer_8h_source.html#l00227">LineSequencer.h:227</a></div></div>
<div class="ttc" id="classgeos_1_1planargraph_1_1DirectedEdge_html"><div class="ttname"><a href="classgeos_1_1planargraph_1_1DirectedEdge.html">geos::planargraph::DirectedEdge</a></div><div class="ttdoc">Represents a directed edge in a PlanarGraph. </div><div class="ttdef"><b>Definition:</b> <a href="planargraph_2DirectedEdge_8h_source.html#l00046">planargraph/DirectedEdge.h:46</a></div></div>
<div class="ttc" id="classgeos_1_1operation_1_1linemerge_1_1LineSequencer_html_a2c0f10088b70b8c644e4e64ed453a0ca"><div class="ttname"><a href="classgeos_1_1operation_1_1linemerge_1_1LineSequencer.html#a2c0f10088b70b8c644e4e64ed453a0ca">geos::operation::linemerge::LineSequencer::DirEdgeList</a></div><div class="ttdeci">std::list&lt; planargraph::DirectedEdge * &gt; DirEdgeList</div><div class="ttdef"><b>Definition:</b> <a href="LineSequencer_8h_source.html#l00096">LineSequencer.h:96</a></div></div>
<div class="ttc" id="LineMergeGraph_8h_html"><div class="ttname"><a href="LineMergeGraph_8h.html">LineMergeGraph.h</a></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> <a href="Geometry_8h_source.html#l00188">Geometry.h:188</a></div></div>
<div class="ttc" id="classgeos_1_1operation_1_1linemerge_1_1LineSequencer_html_a18d54d6346ccb65e6b1e44f4c2fa4cae"><div class="ttname"><a href="classgeos_1_1operation_1_1linemerge_1_1LineSequencer.html#a18d54d6346ccb65e6b1e44f4c2fa4cae">geos::operation::linemerge::LineSequencer::isSequenceableVar</a></div><div class="ttdeci">bool isSequenceableVar</div><div class="ttdef"><b>Definition:</b> <a href="LineSequencer_8h_source.html#l00104">LineSequencer.h:104</a></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> <a href="LineString_8h_source.html#l00068">LineString.h:68</a></div></div>
<div class="ttc" id="classgeos_1_1operation_1_1linemerge_1_1LineSequencer_html_a44bad8dd33e10469b2889978a266c4b4"><div class="ttname"><a href="classgeos_1_1operation_1_1linemerge_1_1LineSequencer.html#a44bad8dd33e10469b2889978a266c4b4">geos::operation::linemerge::LineSequencer::Sequences</a></div><div class="ttdeci">std::vector&lt; DirEdgeList * &gt; Sequences</div><div class="ttdef"><b>Definition:</b> <a href="LineSequencer_8h_source.html#l00097">LineSequencer.h:97</a></div></div>
<div class="ttc" id="classgeos_1_1operation_1_1linemerge_1_1LineMergeGraph_html"><div class="ttname"><a href="classgeos_1_1operation_1_1linemerge_1_1LineMergeGraph.html">geos::operation::linemerge::LineMergeGraph</a></div><div class="ttdoc">A planar graph of edges that is analyzed to sew the edges together. </div><div class="ttdef"><b>Definition:</b> <a href="LineMergeGraph_8h_source.html#l00059">LineMergeGraph.h:59</a></div></div>
<div class="ttc" id="classgeos_1_1operation_1_1linemerge_1_1LineSequencer_html_a4770f671b801959d632d968d30d6fb0c"><div class="ttname"><a href="classgeos_1_1operation_1_1linemerge_1_1LineSequencer.html#a4770f671b801959d632d968d30d6fb0c">geos::operation::linemerge::LineSequencer::LineSequencer</a></div><div class="ttdeci">LineSequencer()</div><div class="ttdef"><b>Definition:</b> <a href="LineSequencer_8h_source.html#l00198">LineSequencer.h:198</a></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> <a href="GeometryFactory_8h_source.html#l00068">GeometryFactory.h:68</a></div></div>
<div class="ttc" id="classgeos_1_1operation_1_1linemerge_1_1LineSequencer_html_a561b65b906dd4c1bc236b35b4c535db4"><div class="ttname"><a href="classgeos_1_1operation_1_1linemerge_1_1LineSequencer.html#a561b65b906dd4c1bc236b35b4c535db4">geos::operation::linemerge::LineSequencer::graph</a></div><div class="ttdeci">LineMergeGraph graph</div><div class="ttdef"><b>Definition:</b> <a href="LineSequencer_8h_source.html#l00099">LineSequencer.h:99</a></div></div>
<div class="ttc" id="classgeos_1_1operation_1_1linemerge_1_1LineSequencer_html_aa0b6aa09f7f894d46510d94b76eb07ba"><div class="ttname"><a href="classgeos_1_1operation_1_1linemerge_1_1LineSequencer.html#aa0b6aa09f7f894d46510d94b76eb07ba">geos::operation::linemerge::LineSequencer::add</a></div><div class="ttdeci">void add(const geom::Geometry &amp;geometry)</div><div class="ttdoc">Adds a Geometry to be sequenced. </div><div class="ttdef"><b>Definition:</b> <a href="LineSequencer_8h_source.html#l00243">LineSequencer.h:243</a></div></div>
<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>
<div class="ttc" id="classgeos_1_1operation_1_1linemerge_1_1LineSequencer_html_ad415cb1425385af578e879ad9044298b"><div class="ttname"><a href="classgeos_1_1operation_1_1linemerge_1_1LineSequencer.html#ad415cb1425385af578e879ad9044298b">geos::operation::linemerge::LineSequencer::sequencedGeometry</a></div><div class="ttdeci">std::unique_ptr&lt; geom::Geometry &gt; sequencedGeometry</div><div class="ttdef"><b>Definition:</b> <a href="LineSequencer_8h_source.html#l00103">LineSequencer.h:103</a></div></div>
<div class="ttc" id="LineString_8h_html"><div class="ttname"><a href="LineString_8h.html">LineString.h</a></div></div>
<div class="ttc" id="classgeos_1_1planargraph_1_1Node_html"><div class="ttname"><a href="classgeos_1_1planargraph_1_1Node.html">geos::planargraph::Node</a></div><div class="ttdoc">A node in a PlanarGraph is a location where 0 or more Edge meet. </div><div class="ttdef"><b>Definition:</b> <a href="planargraph_2Node_8h_source.html#l00045">planargraph/Node.h:45</a></div></div>
<div class="ttc" id="classgeos_1_1planargraph_1_1Subgraph_html"><div class="ttname"><a href="classgeos_1_1planargraph_1_1Subgraph.html">geos::planargraph::Subgraph</a></div><div class="ttdoc">A subgraph of a PlanarGraph. </div><div class="ttdef"><b>Definition:</b> <a href="Subgraph_8h_source.html#l00053">Subgraph.h:53</a></div></div>
<div class="ttc" id="classgeos_1_1geom_1_1Geometry_html_a979504ef90b6d3b67af529cec504fbfe"><div class="ttname"><a href="classgeos_1_1geom_1_1Geometry.html#a979504ef90b6d3b67af529cec504fbfe">geos::geom::Geometry::applyComponentFilter</a></div><div class="ttdeci">void applyComponentFilter(T &amp;f) const </div><div class="ttdoc">Apply a filter to each component of this geometry. The filter is expected to provide a ...</div><div class="ttdef"><b>Definition:</b> <a href="Geometry_8h_source.html#l00768">Geometry.h:768</a></div></div>
<div class="ttc" id="Geometry_8h_html"><div class="ttname"><a href="Geometry_8h.html">Geometry.h</a></div></div>
<div class="ttc" id="classgeos_1_1operation_1_1linemerge_1_1LineSequencer_html_ae96f648dc99abbdb16da98475f0151ef"><div class="ttname"><a href="classgeos_1_1operation_1_1linemerge_1_1LineSequencer.html#ae96f648dc99abbdb16da98475f0151ef">geos::operation::linemerge::LineSequencer::add</a></div><div class="ttdeci">void add(TargetContainer &amp;geoms)</div><div class="ttdef"><b>Definition:</b> <a href="LineSequencer_8h_source.html#l00250">LineSequencer.h:250</a></div></div>
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