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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <meta name="generator" content="Doxygen 1.8.5"/> <title>GEOS: MCIndexSnapRounder.h Source File</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="dynsections.js"></script> <link href="doxygen.css" rel="stylesheet" type="text/css" /> </head> <body> <div id="top"><!-- do not remove this div, it is closed by doxygen! --> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td style="padding-left: 0.5em;"> <div id="projectname">GEOS  <span id="projectnumber">3.5.0</span> </div> </td> </tr> </tbody> </table> </div> <!-- end header part --> <!-- Generated by Doxygen 1.8.5 --> <div id="navrow1" class="tabs"> <ul class="tablist"> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="pages.html"><span>Related Pages</span></a></li> <li><a href="namespaces.html"><span>Namespaces</span></a></li> <li><a href="annotated.html"><span>Classes</span></a></li> <li class="current"><a href="files.html"><span>Files</span></a></li> </ul> </div> <div id="navrow2" class="tabs2"> <ul class="tablist"> <li><a href="files.html"><span>File List</span></a></li> </ul> </div> <div id="nav-path" class="navpath"> <ul> <li class="navelem"><a class="el" href="dir_78009f08da3e03d86b70776dcc463e92.html">include</a></li><li class="navelem"><a class="el" href="dir_40c9e98f0599f998dfc16f8b0ec4bf37.html">geos</a></li><li class="navelem"><a class="el" href="dir_532943f043298e0a48be33fb828445b8.html">noding</a></li><li class="navelem"><a class="el" href="dir_7ae578324c6bed8cf39d96719d49ee4a.html">snapround</a></li> </ul> </div> </div><!-- top --> <div class="header"> <div class="headertitle"> <div class="title">MCIndexSnapRounder.h</div> </div> </div><!--header--> <div class="contents"> <div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/**********************************************************************</span></div> <div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> *</span></div> <div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * GEOS - Geometry Engine Open Source</span></div> <div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * http://geos.osgeo.org</span></div> <div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> *</span></div> <div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * Copyright (C) 2006 Refractions Research Inc.</span></div> <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> *</span></div> <div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * This is free software; you can redistribute and/or modify it under</span></div> <div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * the terms of the GNU Lesser General Public Licence as published</span></div> <div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * by the Free Software Foundation. </span></div> <div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * See the COPYING file for more information.</span></div> <div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> *</span></div> <div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> **********************************************************************</span></div> <div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> *</span></div> <div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * Last port: noding/snapround/MCIndexSnapRounder.java r486 (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_NODING_SNAPROUND_MCINDEXSNAPROUNDER_H</span></div> <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor"></span><span class="preprocessor">#define GEOS_NODING_SNAPROUND_MCINDEXSNAPROUNDER_H</span></div> <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <geos/export.h></span></div> <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> </div> <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <geos/noding/Noder.h></span> <span class="comment">// for inheritance</span></div> <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <geos/noding/NodedSegmentString.h></span> <span class="comment">// for inlines</span></div> <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <geos/noding/snapround/MCIndexPointSnapper.h></span> <span class="comment">// for inines</span></div> <div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <geos/algorithm/LineIntersector.h></span> <span class="comment">// for composition</span></div> <div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include <geos/geom/Coordinate.h></span> <span class="comment">// for use in vector</span></div> <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include <geos/geom/PrecisionModel.h></span> <span class="comment">// for inlines</span></div> <div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div> <div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include <vector></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="preprocessor">#ifdef _MSC_VER</span></div> <div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor"></span><span class="preprocessor">#pragma warning(push)</span></div> <div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor"></span><span class="preprocessor">#pragma warning(disable: 4251) // warning C4251: needs to have dll-interface to be used by clients of class</span></div> <div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div> <div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment">// Forward declarations</span></div> <div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="keyword">namespace </span>geos {</div> <div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keyword">namespace </span>algorithm {</div> <div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keyword">class </span>LineIntersector;</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>noding {</div> <div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keyword">class </span>SegmentString;</div> <div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keyword">class </span>MCIndexNoder;</div> <div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  }</div> <div class="line"><a name="l00047"></a><span class="lineno"> 47</span> }</div> <div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div> <div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="keyword">namespace </span>geos {</div> <div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="keyword">namespace </span>noding { <span class="comment">// geos::noding</span></div> <div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="keyword">namespace </span>snapround { <span class="comment">// geos::noding::snapround</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="l00074"></a><span class="lineno"><a class="line" href="classgeos_1_1noding_1_1snapround_1_1MCIndexSnapRounder.html"> 74</a></span> <span class="keyword">class </span>GEOS_DLL <a class="code" href="classgeos_1_1noding_1_1snapround_1_1MCIndexSnapRounder.html">MCIndexSnapRounder</a>: <span class="keyword">public</span> <a class="code" href="classgeos_1_1noding_1_1Noder.html">Noder</a> { <span class="comment">// implments Noder</span></div> <div class="line"><a name="l00075"></a><span class="lineno"> 75</span> </div> <div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="keyword">public</span>:</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>  <a class="code" href="classgeos_1_1noding_1_1snapround_1_1MCIndexSnapRounder.html">MCIndexSnapRounder</a>(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1PrecisionModel.html">geom::PrecisionModel</a>& nPm)</div> <div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  :</div> <div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  pm(nPm),</div> <div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  scaleFactor(nPm.<a class="code" href="classgeos_1_1geom_1_1PrecisionModel.html#a457c0f35f3ae4193c5713ac99a400bc8">getScale</a>()),</div> <div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  pointSnapper(0)</div> <div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  {</div> <div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  li.setPrecisionModel(&pm);</div> <div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  }</div> <div class="line"><a name="l00086"></a><span class="lineno"> 86</span> </div> <div class="line"><a name="l00087"></a><span class="lineno"><a class="line" href="classgeos_1_1noding_1_1snapround_1_1MCIndexSnapRounder.html#aac296d8e034928caf04458cd71fd694c"> 87</a></span>  std::vector<SegmentString*>* <a class="code" href="classgeos_1_1noding_1_1snapround_1_1MCIndexSnapRounder.html#aac296d8e034928caf04458cd71fd694c">getNodedSubstrings</a>()<span class="keyword"> const </span>{</div> <div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keywordflow">return</span> NodedSegmentString::getNodedSubstrings(*nodedSegStrings);</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> </div> <div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordtype">void</span> computeNodes(std::vector<SegmentString*>* segStrings);</div> <div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  </div> <div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordtype">void</span> computeVertexSnaps(std::vector<SegmentString*>& edges);</div> <div class="line"><a name="l00102"></a><span class="lineno"> 102</span> </div> <div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="keyword">private</span>:</div> <div class="line"><a name="l00104"></a><span class="lineno"> 104</span> </div> <div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1PrecisionModel.html">geom::PrecisionModel</a>& pm;</div> <div class="line"><a name="l00107"></a><span class="lineno"> 107</span> </div> <div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <a class="code" href="classgeos_1_1algorithm_1_1LineIntersector.html">algorithm::LineIntersector</a> li;</div> <div class="line"><a name="l00109"></a><span class="lineno"> 109</span> </div> <div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keywordtype">double</span> scaleFactor;</div> <div class="line"><a name="l00111"></a><span class="lineno"> 111</span> </div> <div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  std::vector<SegmentString*>* nodedSegStrings;</div> <div class="line"><a name="l00113"></a><span class="lineno"> 113</span> </div> <div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  std::auto_ptr<MCIndexPointSnapper> pointSnapper;</div> <div class="line"><a name="l00115"></a><span class="lineno"> 115</span> </div> <div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordtype">void</span> snapRound(<a class="code" href="classgeos_1_1noding_1_1MCIndexNoder.html">MCIndexNoder</a>& noder, std::vector<SegmentString*>* segStrings);</div> <div class="line"><a name="l00117"></a><span class="lineno"> 117</span> </div> <div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  </div> <div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordtype">void</span> findInteriorIntersections(<a class="code" href="classgeos_1_1noding_1_1MCIndexNoder.html">MCIndexNoder</a>& noder,</div> <div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  std::vector<SegmentString*>* segStrings,</div> <div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  std::vector<geom::Coordinate>& intersections);</div> <div class="line"><a name="l00129"></a><span class="lineno"> 129</span> </div> <div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordtype">void</span> computeIntersectionSnaps(std::vector<geom::Coordinate>& snapPts);</div> <div class="line"><a name="l00135"></a><span class="lineno"> 135</span> </div> <div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordtype">void</span> computeVertexSnaps(<a class="code" href="classgeos_1_1noding_1_1NodedSegmentString.html">NodedSegmentString</a>* e);</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="keywordtype">void</span> checkCorrectness(std::vector<SegmentString*>& inputSegmentStrings);</div> <div class="line"><a name="l00143"></a><span class="lineno"> 143</span> </div> <div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="comment">// Declare type as noncopyable</span></div> <div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <a class="code" href="classgeos_1_1noding_1_1snapround_1_1MCIndexSnapRounder.html">MCIndexSnapRounder</a>(<span class="keyword">const</span> <a class="code" href="classgeos_1_1noding_1_1snapround_1_1MCIndexSnapRounder.html">MCIndexSnapRounder</a>& other);</div> <div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <a class="code" href="classgeos_1_1noding_1_1snapround_1_1MCIndexSnapRounder.html">MCIndexSnapRounder</a>& operator=(<span class="keyword">const</span> <a class="code" href="classgeos_1_1noding_1_1snapround_1_1MCIndexSnapRounder.html">MCIndexSnapRounder</a>& rhs);</div> <div class="line"><a name="l00147"></a><span class="lineno"> 147</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="comment">// namespace geos::noding::snapround</span></div> <div class="line"><a name="l00150"></a><span class="lineno"> 150</span> } <span class="comment">// namespace geos::noding</span></div> <div class="line"><a name="l00151"></a><span class="lineno"> 151</span> } <span class="comment">// namespace geos</span></div> <div class="line"><a name="l00152"></a><span class="lineno"> 152</span> </div> <div class="line"><a name="l00153"></a><span class="lineno"> 153</span> <span class="preprocessor">#ifdef _MSC_VER</span></div> <div class="line"><a name="l00154"></a><span class="lineno"> 154</span> <span class="preprocessor"></span><span class="preprocessor">#pragma warning(pop)</span></div> <div class="line"><a name="l00155"></a><span class="lineno"> 155</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div> <div class="line"><a name="l00156"></a><span class="lineno"> 156</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00157"></a><span class="lineno"> 157</span> <span class="preprocessor">#endif // GEOS_NODING_SNAPROUND_MCINDEXSNAPROUNDER_H</span></div> <div class="ttc" id="classgeos_1_1noding_1_1NodedSegmentString_html"><div class="ttname"><a href="classgeos_1_1noding_1_1NodedSegmentString.html">geos::noding::NodedSegmentString</a></div><div class="ttdoc">Represents a list of contiguous line segments, and supports noding the segments. </div><div class="ttdef"><b>Definition:</b> NodedSegmentString.h:57</div></div> <div class="ttc" id="classgeos_1_1geom_1_1PrecisionModel_html"><div class="ttname"><a href="classgeos_1_1geom_1_1PrecisionModel.html">geos::geom::PrecisionModel</a></div><div class="ttdoc">Specifies the precision model of the Coordinate in a Geometry. </div><div class="ttdef"><b>Definition:</b> PrecisionModel.h:87</div></div> <div class="ttc" id="classgeos_1_1algorithm_1_1LineIntersector_html"><div class="ttname"><a href="classgeos_1_1algorithm_1_1LineIntersector.html">geos::algorithm::LineIntersector</a></div><div class="ttdoc">A LineIntersector is an algorithm that can both test whether two line segments intersect and compute ...</div><div class="ttdef"><b>Definition:</b> LineIntersector.h:49</div></div> <div class="ttc" id="classgeos_1_1noding_1_1snapround_1_1MCIndexSnapRounder_html_aac296d8e034928caf04458cd71fd694c"><div class="ttname"><a href="classgeos_1_1noding_1_1snapround_1_1MCIndexSnapRounder.html#aac296d8e034928caf04458cd71fd694c">geos::noding::snapround::MCIndexSnapRounder::getNodedSubstrings</a></div><div class="ttdeci">std::vector< SegmentString * > * getNodedSubstrings() const </div><div class="ttdoc">Returns a Collection of fully noded SegmentStrings. The SegmentStrings have the same context as their...</div><div class="ttdef"><b>Definition:</b> MCIndexSnapRounder.h:87</div></div> <div class="ttc" id="classgeos_1_1noding_1_1snapround_1_1MCIndexSnapRounder_html"><div class="ttname"><a href="classgeos_1_1noding_1_1snapround_1_1MCIndexSnapRounder.html">geos::noding::snapround::MCIndexSnapRounder</a></div><div class="ttdoc">Uses Snap Rounding to compute a rounded, fully noded arrangement from a set of SegmentString. </div><div class="ttdef"><b>Definition:</b> MCIndexSnapRounder.h:74</div></div> <div class="ttc" id="classgeos_1_1noding_1_1Noder_html"><div class="ttname"><a href="classgeos_1_1noding_1_1Noder.html">geos::noding::Noder</a></div><div class="ttdoc">Computes all intersections between segments in a set of SegmentString. </div><div class="ttdef"><b>Definition:</b> Noder.h:49</div></div> <div class="ttc" id="classgeos_1_1noding_1_1MCIndexNoder_html"><div class="ttname"><a href="classgeos_1_1noding_1_1MCIndexNoder.html">geos::noding::MCIndexNoder</a></div><div class="ttdoc">Nodes a set of SegmentString using a index based on index::chain::MonotoneChain and a index::SpatialI...</div><div class="ttdef"><b>Definition:</b> MCIndexNoder.h:63</div></div> <div class="ttc" id="classgeos_1_1geom_1_1PrecisionModel_html_a457c0f35f3ae4193c5713ac99a400bc8"><div class="ttname"><a href="classgeos_1_1geom_1_1PrecisionModel.html#a457c0f35f3ae4193c5713ac99a400bc8">geos::geom::PrecisionModel::getScale</a></div><div class="ttdeci">double getScale() const </div><div class="ttdoc">Returns the multiplying factor used to obtain a precise coordinate. </div></div> </div><!-- fragment --></div><!-- contents --> <!-- start footer part --> <hr class="footer"/><address class="footer"><small> Generated by  <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/> </a> 1.8.5 </small></address> </body> </html>