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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: GeometrySnapper.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_67f3340353d8558b9d1caebb1f793818.html">operation</a></li><li class="navelem"><a class="el" href="dir_f9762db72a4501c88c1aeec4abc7ed39.html">overlay</a></li><li class="navelem"><a class="el" href="dir_ebb60545a6fea479f28464cefe65fa34.html">snap</a></li> </ul> </div> </div><!-- top --> <div class="header"> <div class="headertitle"> <div class="title">GeometrySnapper.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) 2009-2010 Sandro Santilli <strk@keybit.net></span></div> <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * Copyright (C) 2006 Refractions Research Inc.</span></div> <div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> *</span></div> <div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <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> <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> <span class="comment"> * by the Free Software Foundation. </span></div> <div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * See the COPYING file for more information.</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"> *</span></div> <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * Last port: operation/overlay/snap/GeometrySnapper.java r320 (JTS-1.12)</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> <span class="comment"> **********************************************************************/</span></div> <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> </div> <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#ifndef GEOS_OP_OVERLAY_SNAP_GEOMETRYSNAPPER_H</span></div> <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor"></span><span class="preprocessor">#define GEOS_OP_OVERLAY_SNAP_GEOMETRYSNAPPER_H</span></div> <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <geos/geom/Coordinate.h></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="preprocessor">#include <memory></span></div> <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <vector></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="comment">// Forward declarations</span></div> <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="keyword">namespace </span>geos {</div> <div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <span class="keyword">namespace </span>geom { </div> <div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="comment">//class PrecisionModel;</span></div> <div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <span class="keyword">class </span>Geometry;</div> <div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="keyword">class </span>CoordinateSequence;</div> <div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="keyword">struct </span>GeomPtrPair;</div> <div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  }</div> <div class="line"><a name="l00036"></a><span class="lineno"> 36</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>geos {</div> <div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="keyword">namespace </span>operation { <span class="comment">// geos::operation</span></div> <div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="keyword">namespace </span>overlay { <span class="comment">// geos::operation::overlay</span></div> <div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="keyword">namespace </span>snap { <span class="comment">// geos::operation::overlay::snap</span></div> <div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div> <div class="line"><a name="l00058"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1overlay_1_1snap_1_1GeometrySnapper.html"> 58</a></span> <span class="keyword">class </span>GEOS_DLL <a class="code" href="classgeos_1_1operation_1_1overlay_1_1snap_1_1GeometrySnapper.html">GeometrySnapper</a> {</div> <div class="line"><a name="l00059"></a><span class="lineno"> 59</span> </div> <div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="keyword">public</span>:</div> <div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div> <div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keyword">typedef</span> std::auto_ptr<geom::Geometry> GeomPtr;</div> <div class="line"><a name="l00063"></a><span class="lineno"> 63</span> </div> <div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> snap(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>& g0,</div> <div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>& g1,</div> <div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keywordtype">double</span> snapTolerance, geom::GeomPtrPair& ret);</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">static</span> GeomPtr snapToSelf(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>& g0,</div> <div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keywordtype">double</span> snapTolerance, <span class="keywordtype">bool</span> cleanResult);</div> <div class="line"><a name="l00079"></a><span class="lineno"> 79</span> </div> <div class="line"><a name="l00085"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1overlay_1_1snap_1_1GeometrySnapper.html#a5df260fee1d8af571aa0e01ff2b3397c"> 85</a></span>  <a class="code" href="classgeos_1_1operation_1_1overlay_1_1snap_1_1GeometrySnapper.html#a5df260fee1d8af571aa0e01ff2b3397c">GeometrySnapper</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="l00086"></a><span class="lineno"> 86</span>  :</div> <div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  srcGeom(g)</div> <div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  {</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="l00100"></a><span class="lineno"> 100</span>  std::auto_ptr<geom::Geometry> snapTo(<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="l00101"></a><span class="lineno"> 101</span>  <span class="keywordtype">double</span> snapTolerance);</div> <div class="line"><a name="l00102"></a><span class="lineno"> 102</span> </div> <div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  std::auto_ptr<geom::Geometry> snapToSelf(<span class="keywordtype">double</span> snapTolerance,</div> <div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keywordtype">bool</span> cleanResult);</div> <div class="line"><a name="l00114"></a><span class="lineno"> 114</span> </div> <div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keyword">static</span> <span class="keywordtype">double</span> computeOverlaySnapTolerance(<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="l00123"></a><span class="lineno"> 123</span> </div> <div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keyword">static</span> <span class="keywordtype">double</span> computeSizeBasedSnapTolerance(<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="l00125"></a><span class="lineno"> 125</span> </div> <div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keyword">static</span> <span class="keywordtype">double</span> computeOverlaySnapTolerance(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>& g1,</div> <div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>& g2);</div> <div class="line"><a name="l00131"></a><span class="lineno"> 131</span> </div> <div class="line"><a name="l00132"></a><span class="lineno"> 132</span> </div> <div class="line"><a name="l00133"></a><span class="lineno"> 133</span> <span class="keyword">private</span>:</div> <div class="line"><a name="l00134"></a><span class="lineno"> 134</span> </div> <div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="comment">// eventually this will be determined from the geometry topology</span></div> <div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="comment">//static const double snapTol; // = 0.000001;</span></div> <div class="line"><a name="l00137"></a><span class="lineno"> 137</span> </div> <div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">double</span> snapPrecisionFactor; <span class="comment">// = 10e-10</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>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a>& srcGeom;</div> <div class="line"><a name="l00141"></a><span class="lineno"> 141</span> </div> <div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  std::auto_ptr<geom::Coordinate::ConstVect> extractTargetCoordinates(</div> <div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <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="l00145"></a><span class="lineno"> 145</span> </div> <div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="comment">// Declare type as noncopyable</span></div> <div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <a class="code" href="classgeos_1_1operation_1_1overlay_1_1snap_1_1GeometrySnapper.html">GeometrySnapper</a>(<span class="keyword">const</span> <a class="code" href="classgeos_1_1operation_1_1overlay_1_1snap_1_1GeometrySnapper.html">GeometrySnapper</a>& other);</div> <div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <a class="code" href="classgeos_1_1operation_1_1overlay_1_1snap_1_1GeometrySnapper.html">GeometrySnapper</a>& operator=(<span class="keyword">const</span> <a class="code" href="classgeos_1_1operation_1_1overlay_1_1snap_1_1GeometrySnapper.html">GeometrySnapper</a>& rhs);</div> <div class="line"><a name="l00149"></a><span class="lineno"> 149</span> };</div> <div class="line"><a name="l00150"></a><span class="lineno"> 150</span> </div> <div class="line"><a name="l00151"></a><span class="lineno"> 151</span> </div> <div class="line"><a name="l00152"></a><span class="lineno"> 152</span> } <span class="comment">// namespace geos::operation::overlay::snap</span></div> <div class="line"><a name="l00153"></a><span class="lineno"> 153</span> } <span class="comment">// namespace geos::operation::overlay</span></div> <div class="line"><a name="l00154"></a><span class="lineno"> 154</span> } <span class="comment">// namespace geos::operation</span></div> <div class="line"><a name="l00155"></a><span class="lineno"> 155</span> } <span class="comment">// namespace geos</span></div> <div class="line"><a name="l00156"></a><span class="lineno"> 156</span> </div> <div class="line"><a name="l00157"></a><span class="lineno"> 157</span> <span class="preprocessor">#endif // GEOS_OP_OVERLAY_SNAP_GEOMETRYSNAPPER_H</span></div> <div class="line"><a name="l00158"></a><span class="lineno"> 158</span> <span class="preprocessor"></span></div> <div class="ttc" id="classgeos_1_1operation_1_1overlay_1_1snap_1_1GeometrySnapper_html_a5df260fee1d8af571aa0e01ff2b3397c"><div class="ttname"><a href="classgeos_1_1operation_1_1overlay_1_1snap_1_1GeometrySnapper.html#a5df260fee1d8af571aa0e01ff2b3397c">geos::operation::overlay::snap::GeometrySnapper::GeometrySnapper</a></div><div class="ttdeci">GeometrySnapper(const geom::Geometry &g)</div><div class="ttdef"><b>Definition:</b> GeometrySnapper.h:85</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 class="ttc" id="classgeos_1_1operation_1_1overlay_1_1snap_1_1GeometrySnapper_html"><div class="ttname"><a href="classgeos_1_1operation_1_1overlay_1_1snap_1_1GeometrySnapper.html">geos::operation::overlay::snap::GeometrySnapper</a></div><div class="ttdoc">Snaps the vertices and segments of a Geometry to another Geometry&#39;s vertices. </div><div class="ttdef"><b>Definition:</b> GeometrySnapper.h:58</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>