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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: SimpleSnapRounder.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 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class="header"> <div class="headertitle"> <div class="title">SimpleSnapRounder.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/SimpleSnapRounder.java r320 (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_SIMPLESNAPROUNDER_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_SIMPLESNAPROUNDER_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 <vector></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 <geos/inline.h></span></div> <div class="line"><a name="l00027"></a><span class="lineno"> 27</span> </div> <div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include <geos/noding/Noder.h></span> <span class="comment">// for inheritance</span></div> <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include <geos/algorithm/LineIntersector.h></span> <span class="comment">// for composition</span></div> <div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include <geos/geom/Coordinate.h></span> <span class="comment">// for use in vector</span></div> <div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include <geos/geom/PrecisionModel.h></span> <span class="comment">// for inlines (should drop)</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>geos {</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="comment">//class PrecisionModel;</span></div> <div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  }</div> <div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keyword">namespace </span>algorithm {</div> <div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keyword">class </span>LineIntersector;</div> <div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  }</div> <div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keyword">namespace </span>noding {</div> <div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keyword">class </span>SegmentString;</div> <div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keyword">class </span>NodedSegmentString;</div> <div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keyword">namespace </span>snapround {</div> <div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keyword">class </span>HotPixel;</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> </div> <div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="keyword">namespace </span>geos {</div> <div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="keyword">namespace </span>noding { <span class="comment">// geos::noding</span></div> <div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="keyword">namespace </span>snapround { <span class="comment">// geos::noding::snapround</span></div> <div class="line"><a name="l00053"></a><span class="lineno"> 53</span> </div> <div class="line"><a name="l00073"></a><span class="lineno"><a class="line" href="classgeos_1_1noding_1_1snapround_1_1SimpleSnapRounder.html"> 73</a></span> <span class="keyword">class </span>GEOS_DLL <a class="code" href="classgeos_1_1noding_1_1snapround_1_1SimpleSnapRounder.html">SimpleSnapRounder</a>: <span class="keyword">public</span> <a class="code" href="classgeos_1_1noding_1_1Noder.html">Noder</a> { <span class="comment">// implements NoderIface</span></div> <div class="line"><a name="l00074"></a><span class="lineno"> 74</span> </div> <div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="keyword">public</span>:</div> <div class="line"><a name="l00076"></a><span class="lineno"> 76</span> </div> <div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <a class="code" href="classgeos_1_1noding_1_1snapround_1_1SimpleSnapRounder.html">SimpleSnapRounder</a>(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1PrecisionModel.html">geom::PrecisionModel</a>& newPm);</div> <div class="line"><a name="l00078"></a><span class="lineno"> 78</span> </div> <div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  std::vector<SegmentString*>* getNodedSubstrings() <span class="keyword">const</span>;</div> <div class="line"><a name="l00080"></a><span class="lineno"> 80</span> </div> <div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordtype">void</span> computeNodes(std::vector<SegmentString*>* inputSegmentStrings);</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="keywordtype">void</span> add(<span class="keyword">const</span> <a class="code" href="classgeos_1_1noding_1_1SegmentString.html">SegmentString</a>* segStr);</div> <div class="line"><a name="l00084"></a><span class="lineno"> 84</span> </div> <div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordtype">void</span> computeVertexSnaps(<span class="keyword">const</span> std::vector<SegmentString*>& edges);</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="keyword">private</span>:</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="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1PrecisionModel.html">geom::PrecisionModel</a>& pm;</div> <div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <a class="code" href="classgeos_1_1algorithm_1_1LineIntersector.html">algorithm::LineIntersector</a> li;</div> <div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordtype">double</span> scaleFactor;</div> <div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  std::vector<SegmentString*>* nodedSegStrings;</div> <div class="line"><a name="l00100"></a><span class="lineno"> 100</span> </div> <div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordtype">void</span> checkCorrectness(std::vector<SegmentString*>& inputSegmentStrings);</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="keywordtype">void</span> snapRound(std::vector<SegmentString*>* segStrings,</div> <div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <a class="code" href="classgeos_1_1algorithm_1_1LineIntersector.html">algorithm::LineIntersector</a>& li);</div> <div class="line"><a name="l00105"></a><span class="lineno"> 105</span> </div> <div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordtype">void</span> findInteriorIntersections(std::vector<SegmentString*>& segStrings,</div> <div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <a class="code" href="classgeos_1_1algorithm_1_1LineIntersector.html">algorithm::LineIntersector</a>& li, std::vector<geom::Coordinate>& ret);</div> <div class="line"><a name="l00119"></a><span class="lineno"> 119</span> </div> <div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordtype">void</span> computeSnaps(<span class="keyword">const</span> std::vector<SegmentString*>& segStrings,</div> <div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  std::vector<geom::Coordinate>& snapPts);</div> <div class="line"><a name="l00127"></a><span class="lineno"> 127</span> </div> <div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keywordtype">void</span> computeSnaps(<a class="code" href="classgeos_1_1noding_1_1NodedSegmentString.html">NodedSegmentString</a>* ss, std::vector<geom::Coordinate>& snapPts);</div> <div class="line"><a name="l00129"></a><span class="lineno"> 129</span> </div> <div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordtype">void</span> computeVertexSnaps(<a class="code" href="classgeos_1_1noding_1_1NodedSegmentString.html">NodedSegmentString</a>* e0, <a class="code" href="classgeos_1_1noding_1_1NodedSegmentString.html">NodedSegmentString</a>* e1);</div> <div class="line"><a name="l00136"></a><span class="lineno"> 136</span> </div> <div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="comment">// Declare type as noncopyable</span></div> <div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <a class="code" href="classgeos_1_1noding_1_1snapround_1_1SimpleSnapRounder.html">SimpleSnapRounder</a>(<span class="keyword">const</span> <a class="code" href="classgeos_1_1noding_1_1snapround_1_1SimpleSnapRounder.html">SimpleSnapRounder</a>& other);</div> <div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <a class="code" href="classgeos_1_1noding_1_1snapround_1_1SimpleSnapRounder.html">SimpleSnapRounder</a>& operator=(<span class="keyword">const</span> <a class="code" href="classgeos_1_1noding_1_1snapround_1_1SimpleSnapRounder.html">SimpleSnapRounder</a>& rhs);</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> </div> <div class="line"><a name="l00142"></a><span class="lineno"> 142</span> } <span class="comment">// namespace geos::noding::snapround</span></div> <div class="line"><a name="l00143"></a><span class="lineno"> 143</span> } <span class="comment">// namespace geos::noding</span></div> <div class="line"><a name="l00144"></a><span class="lineno"> 144</span> } <span class="comment">// namespace geos</span></div> <div class="line"><a name="l00145"></a><span class="lineno"> 145</span> </div> <div class="line"><a name="l00146"></a><span class="lineno"> 146</span> <span class="preprocessor">#endif // GEOS_NODING_SNAPROUND_SIMPLESNAPROUNDER_H</span></div> <div class="ttc" id="classgeos_1_1noding_1_1snapround_1_1SimpleSnapRounder_html"><div class="ttname"><a href="classgeos_1_1noding_1_1snapround_1_1SimpleSnapRounder.html">geos::noding::snapround::SimpleSnapRounder</a></div><div class="ttdoc">Uses Snap Rounding to compute a rounded, fully noded arrangement from a set of SegmentStrings. </div><div class="ttdef"><b>Definition:</b> SimpleSnapRounder.h:73</div></div> <div class="ttc" id="classgeos_1_1noding_1_1SegmentString_html"><div class="ttname"><a href="classgeos_1_1noding_1_1SegmentString.html">geos::noding::SegmentString</a></div><div class="ttdoc">An interface for classes which represent a sequence of contiguous line segments. </div><div class="ttdef"><b>Definition:</b> SegmentString.h:46</div></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_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><!-- 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>