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81 lines
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<div class="title">LineMerger.h</div> </div>
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<a href="LineMerger_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) 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/linemerge/LineMerger.java r378 (JTS-1.12)</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> *</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> **********************************************************************/</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> </div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#ifndef GEOS_OP_LINEMERGE_LINEMERGER_H</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#define GEOS_OP_LINEMERGE_LINEMERGER_H</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <<a class="code" href="export_8h.html">geos/export.h</a>></span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <<a class="code" href="LineString_8h.html">geos/geom/LineString.h</a>></span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <<a class="code" href="LineMergeGraph_8h.html">geos/operation/linemerge/LineMergeGraph.h</a>></span> <span class="comment">// for composition</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 <memory></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">#pragma warning(push)</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</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">#endif</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</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><a class="code" href="namespacegeos.html">geos</a> {</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>GeometryFactory;</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="keyword">class </span>Geometry;</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> }</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="keyword">namespace </span>planargraph {</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="keyword">class </span>Node;</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> }</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="keyword">namespace </span>operation {</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="keyword">namespace </span>linemerge {</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="keyword">class </span>EdgeString;</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="keyword">class </span>LineMergeDirectedEdge;</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> }</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><a class="code" href="namespacegeos.html">geos</a> {</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>linemerge { <span class="comment">// geos::operation::linemerge</span></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> </div><div class="line"><a name="l00076"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1linemerge_1_1LineMerger.html"> 76</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_1linemerge_1_1LineMerger.html">LineMerger</a> {</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> </div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span> </div><div class="line"><a name="l00080"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1linemerge_1_1LineMerger.html#a5c36d2d68fef73bfd26836068dd458a7"> 80</a></span>  <a class="code" href="classgeos_1_1operation_1_1linemerge_1_1LineMergeGraph.html">LineMergeGraph</a> <a class="code" href="classgeos_1_1operation_1_1linemerge_1_1LineMerger.html#a5c36d2d68fef73bfd26836068dd458a7">graph</a>;</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span> </div><div class="line"><a name="l00082"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1linemerge_1_1LineMerger.html#aa31391e5ffff0d557972e4d509f6f57a"> 82</a></span>  std::vector<std::unique_ptr<geom::LineString>> <a class="code" href="classgeos_1_1operation_1_1linemerge_1_1LineMerger.html#aa31391e5ffff0d557972e4d509f6f57a">mergedLineStrings</a>;</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div><div class="line"><a name="l00084"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1linemerge_1_1LineMerger.html#aa24b943da86bb39bd4eee54ef856aced"> 84</a></span>  std::vector<EdgeString*> <a class="code" href="classgeos_1_1operation_1_1linemerge_1_1LineMerger.html#aa24b943da86bb39bd4eee54ef856aced">edgeStrings</a>;</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span> </div><div class="line"><a name="l00086"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1linemerge_1_1LineMerger.html#ad123aaced2b030de0f69b605b5dad6a2"> 86</a></span>  <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_1LineMerger.html#ad123aaced2b030de0f69b605b5dad6a2">factory</a>;</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span> </div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keywordtype">void</span> merge();</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span> </div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordtype">void</span> buildEdgeStringsForObviousStartNodes();</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>  <span class="keywordtype">void</span> buildEdgeStringsForIsolatedLoops();</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>  <span class="keywordtype">void</span> buildEdgeStringsForUnprocessedNodes();</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> </div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordtype">void</span> buildEdgeStringsForNonDegree2Nodes();</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> </div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordtype">void</span> buildEdgeStringsStartingAt(<a class="code" href="classgeos_1_1planargraph_1_1Node.html">planargraph::Node</a>* node);</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> </div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <a class="code" href="classgeos_1_1operation_1_1linemerge_1_1EdgeString.html">EdgeString</a>* buildEdgeStringStartingWith(<a class="code" href="classgeos_1_1operation_1_1linemerge_1_1LineMergeDirectedEdge.html">LineMergeDirectedEdge</a>* start);</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span> </div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <a class="code" href="classgeos_1_1operation_1_1linemerge_1_1LineMerger.html">LineMerger</a>();</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  ~<a class="code" href="classgeos_1_1operation_1_1linemerge_1_1LineMerger.html">LineMerger</a>();</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span> </div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keywordtype">void</span> add(std::vector<const geom::Geometry*>* geometries);</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span> </div><div class="line"><a name="l00124"></a><span class="lineno"> 124</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>* geometry);</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span> </div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  std::vector<std::unique_ptr<geom::LineString>> getMergedLineStrings();</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>  <span class="keywordtype">void</span> add(<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="l00135"></a><span class="lineno"> 135</span> </div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="comment">// Declare type as noncopyable</span></div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <a class="code" href="classgeos_1_1operation_1_1linemerge_1_1LineMerger.html">LineMerger</a>(<span class="keyword">const</span> <a class="code" href="classgeos_1_1operation_1_1linemerge_1_1LineMerger.html">LineMerger</a>& other) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <a class="code" href="classgeos_1_1operation_1_1linemerge_1_1LineMerger.html">LineMerger</a>& operator=(<span class="keyword">const</span> <a class="code" href="classgeos_1_1operation_1_1linemerge_1_1LineMerger.html">LineMerger</a>& rhs) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span> };</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span> </div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span> } <span class="comment">// namespace geos::operation::linemerge</span></div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span> } <span class="comment">// namespace geos::operation</span></div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span> } <span class="comment">// namespace geos</span></div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span> </div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="preprocessor">#ifdef _MSC_VER</span></div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span> <span class="preprocessor">#pragma warning(pop)</span></div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span> </div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span> <span class="preprocessor">#endif // GEOS_OP_LINEMERGE_LINEMERGER_H</span></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>
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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_1operation_1_1linemerge_1_1LineMerger_html"><div class="ttname"><a href="classgeos_1_1operation_1_1linemerge_1_1LineMerger.html">geos::operation::linemerge::LineMerger</a></div><div class="ttdoc">Sews together a set of fully noded LineStrings. </div><div class="ttdef"><b>Definition:</b> <a href="LineMerger_8h_source.html#l00076">LineMerger.h:76</a></div></div>
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<div class="ttc" id="LineMergeGraph_8h_html"><div class="ttname"><a href="LineMergeGraph_8h.html">LineMergeGraph.h</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_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>
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<div class="ttc" id="classgeos_1_1operation_1_1linemerge_1_1LineMerger_html_ad123aaced2b030de0f69b605b5dad6a2"><div class="ttname"><a href="classgeos_1_1operation_1_1linemerge_1_1LineMerger.html#ad123aaced2b030de0f69b605b5dad6a2">geos::operation::linemerge::LineMerger::factory</a></div><div class="ttdeci">const geom::GeometryFactory * factory</div><div class="ttdef"><b>Definition:</b> <a href="LineMerger_8h_source.html#l00086">LineMerger.h:86</a></div></div>
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<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>
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<div class="ttc" id="classgeos_1_1operation_1_1linemerge_1_1EdgeString_html"><div class="ttname"><a href="classgeos_1_1operation_1_1linemerge_1_1EdgeString.html">geos::operation::linemerge::EdgeString</a></div><div class="ttdoc">A sequence of LineMergeDirectedEdge forming one of the lines that will be output by the line-merging ...</div><div class="ttdef"><b>Definition:</b> <a href="EdgeString_8h_source.html#l00056">EdgeString.h:56</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_1linemerge_1_1LineMerger_html_aa31391e5ffff0d557972e4d509f6f57a"><div class="ttname"><a href="classgeos_1_1operation_1_1linemerge_1_1LineMerger.html#aa31391e5ffff0d557972e4d509f6f57a">geos::operation::linemerge::LineMerger::mergedLineStrings</a></div><div class="ttdeci">std::vector< std::unique_ptr< geom::LineString > > mergedLineStrings</div><div class="ttdef"><b>Definition:</b> <a href="LineMerger_8h_source.html#l00082">LineMerger.h:82</a></div></div>
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<div class="ttc" id="classgeos_1_1operation_1_1linemerge_1_1LineMerger_html_aa24b943da86bb39bd4eee54ef856aced"><div class="ttname"><a href="classgeos_1_1operation_1_1linemerge_1_1LineMerger.html#aa24b943da86bb39bd4eee54ef856aced">geos::operation::linemerge::LineMerger::edgeStrings</a></div><div class="ttdeci">std::vector< EdgeString * > edgeStrings</div><div class="ttdef"><b>Definition:</b> <a href="LineMerger_8h_source.html#l00084">LineMerger.h:84</a></div></div>
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<div class="ttc" id="LineString_8h_html"><div class="ttname"><a href="LineString_8h.html">LineString.h</a></div></div>
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<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>
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<div class="ttc" id="classgeos_1_1operation_1_1linemerge_1_1LineMergeDirectedEdge_html"><div class="ttname"><a href="classgeos_1_1operation_1_1linemerge_1_1LineMergeDirectedEdge.html">geos::operation::linemerge::LineMergeDirectedEdge</a></div><div class="ttdoc">A DirectedEdge of a LineMergeGraph. </div><div class="ttdef"><b>Definition:</b> <a href="LineMergeDirectedEdge_8h_source.html#l00047">LineMergeDirectedEdge.h:47</a></div></div>
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<div class="ttc" id="classgeos_1_1operation_1_1linemerge_1_1LineMerger_html_a5c36d2d68fef73bfd26836068dd458a7"><div class="ttname"><a href="classgeos_1_1operation_1_1linemerge_1_1LineMerger.html#a5c36d2d68fef73bfd26836068dd458a7">geos::operation::linemerge::LineMerger::graph</a></div><div class="ttdeci">LineMergeGraph graph</div><div class="ttdef"><b>Definition:</b> <a href="LineMerger_8h_source.html#l00080">LineMerger.h:80</a></div></div>
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