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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: Triangle.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_96804201bc1ea21f729d92f9316bf857.html">geom</a></li> </ul> </div> </div><!-- top --> <div class="header"> <div class="headertitle"> <div class="title">Triangle.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> </div> <div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#ifndef GEOS_GEOM_TRIANGLE_H</span></div> <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor"></span><span class="preprocessor">#define GEOS_GEOM_TRIANGLE_H</span></div> <div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include <geos/export.h></span></div> <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include <geos/geom/Coordinate.h></span> </div> <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> </div> <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <geos/inline.h></span></div> <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div> <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="keyword">namespace </span>geos {</div> <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="keyword">namespace </span>geom { <span class="comment">// geos::geom</span></div> <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> </div> <div class="line"><a name="l00031"></a><span class="lineno"><a class="line" href="classgeos_1_1geom_1_1Triangle.html"> 31</a></span> <span class="keyword">class </span>GEOS_DLL <a class="code" href="classgeos_1_1geom_1_1Triangle.html">Triangle</a> {</div> <div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="keyword">public</span>:</div> <div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">Coordinate</a> p0, p1, p2;</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>  <a class="code" href="classgeos_1_1geom_1_1Triangle.html">Triangle</a>(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">Coordinate</a>& nP0, <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">Coordinate</a>& nP1, <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">Coordinate</a>& nP2)</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>  p0(nP0),</div> <div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  p1(nP1),</div> <div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  p2(nP2)</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> </div> <div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keywordtype">void</span> inCentre(<a class="code" href="classgeos_1_1geom_1_1Coordinate.html">Coordinate</a>& resultPoint);</div> <div class="line"><a name="l00050"></a><span class="lineno"> 50</span> </div> <div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordtype">void</span> circumcentre(<a class="code" href="classgeos_1_1geom_1_1Coordinate.html">Coordinate</a>& resultPoint);</div> <div class="line"><a name="l00068"></a><span class="lineno"> 68</span> </div> <div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="keyword">private</span>:</div> <div class="line"><a name="l00070"></a><span class="lineno"> 70</span> </div> <div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keywordtype">double</span> det(<span class="keywordtype">double</span> m00 , <span class="keywordtype">double</span> m01 , <span class="keywordtype">double</span> m10 , <span class="keywordtype">double</span> m11) <span class="keyword">const</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"> 87</span> };</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> } <span class="comment">// namespace geos::geom</span></div> <div class="line"><a name="l00091"></a><span class="lineno"> 91</span> } <span class="comment">// namespace geos</span></div> <div class="line"><a name="l00092"></a><span class="lineno"> 92</span> </div> <div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="comment">//#ifdef GEOS_INLINE</span></div> <div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="comment">//# include "geos/geom/Triangle.inl"</span></div> <div class="line"><a name="l00095"></a><span class="lineno"> 95</span> <span class="comment">//#endif</span></div> <div class="line"><a name="l00096"></a><span class="lineno"> 96</span> </div> <div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="preprocessor">#endif // ndef GEOS_GEOM_TRIANGLE_H</span></div> <div class="ttc" id="classgeos_1_1geom_1_1Coordinate_html"><div class="ttname"><a href="classgeos_1_1geom_1_1Coordinate.html">geos::geom::Coordinate</a></div><div class="ttdoc">Coordinate is the lightweight class used to store coordinates. </div><div class="ttdef"><b>Definition:</b> Coordinate.h:60</div></div> <div class="ttc" id="classgeos_1_1geom_1_1Triangle_html"><div class="ttname"><a href="classgeos_1_1geom_1_1Triangle.html">geos::geom::Triangle</a></div><div class="ttdoc">Represents a planar triangle, and provides methods for calculating various properties of triangles...</div><div class="ttdef"><b>Definition:</b> Triangle.h:31</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>