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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: DouglasPeuckerSimplifier.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 --> <!-- 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</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 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: simplify/DouglasPeuckerSimplifier.java rev. 1.5 (JTS-1.7)</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_SIMPLIFY_DOUBGLASPEUCKERSIMPLIFIER_H</span></div> <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor"></span><span class="preprocessor">#define GEOS_SIMPLIFY_DOUBGLASPEUCKERSIMPLIFIER_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> <span class="preprocessor">#include <memory></span> <span class="comment">// for auto_ptr</span></div> <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> </div> <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment">// Forward declarations</span></div> <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="keyword">namespace </span>geos {</div> <div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  <span class="keyword">namespace </span>geom {</div> <div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  <span class="keyword">class </span>Geometry;</div> <div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  }</div> <div class="line"><a name="l00030"></a><span class="lineno"> 30</span> }</div> <div class="line"><a name="l00031"></a><span class="lineno"> 31</span> </div> <div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="keyword">namespace </span>geos {</div> <div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">namespace </span>simplify { <span class="comment">// geos::simplify</span></div> <div class="line"><a name="l00034"></a><span class="lineno"> 34</span> </div> <div class="line"><a name="l00035"></a><span class="lineno"> 35</span> </div> <div class="line"><a name="l00050"></a><span class="lineno"><a class="line" href="classgeos_1_1simplify_1_1DouglasPeuckerSimplifier.html"> 50</a></span> <span class="keyword">class </span>GEOS_DLL <a class="code" href="classgeos_1_1simplify_1_1DouglasPeuckerSimplifier.html">DouglasPeuckerSimplifier</a> {</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">public</span>:</div> <div class="line"><a name="l00053"></a><span class="lineno"> 53</span> </div> <div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keyword">static</span> std::auto_ptr<geom::Geometry> simplify(</div> <div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <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="l00056"></a><span class="lineno"> 56</span>  <span class="keywordtype">double</span> tolerance);</div> <div class="line"><a name="l00057"></a><span class="lineno"> 57</span> </div> <div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <a class="code" href="classgeos_1_1simplify_1_1DouglasPeuckerSimplifier.html">DouglasPeuckerSimplifier</a>(<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="l00059"></a><span class="lineno"> 59</span> </div> <div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordtype">void</span> setDistanceTolerance(<span class="keywordtype">double</span> tolerance);</div> <div class="line"><a name="l00071"></a><span class="lineno"> 71</span> </div> <div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  std::auto_ptr<geom::Geometry> getResultGeometry();</div> <div class="line"><a name="l00073"></a><span class="lineno"> 73</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">private</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>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>* inputGeom;</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>  <span class="keywordtype">double</span> distanceTolerance;</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> </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="comment">// namespace geos::simplify</span></div> <div class="line"><a name="l00084"></a><span class="lineno"> 84</span> } <span class="comment">// namespace geos</span></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> <span class="preprocessor">#endif // GEOS_SIMPLIFY_DOUBGLASPEUCKERSIMPLIFIER_H</span></div> <div class="ttc" id="classgeos_1_1simplify_1_1DouglasPeuckerSimplifier_html"><div class="ttname"><a href="classgeos_1_1simplify_1_1DouglasPeuckerSimplifier.html">geos::simplify::DouglasPeuckerSimplifier</a></div><div class="ttdoc">Simplifies a Geometry using the standard Douglas-Peucker algorithm. </div><div class="ttdef"><b>Definition:</b> DouglasPeuckerSimplifier.h:50</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> Geometry.h:167</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" 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