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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: Octant.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 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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_NODING_OCTANT_H</span></div> <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor"></span><span class="preprocessor">#define GEOS_NODING_OCTANT_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> </div> <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <geos/inline.h></span></div> <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <geos/util.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="comment">// Forward declarations</span></div> <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="keyword">namespace </span>geos {</div> <div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  <span class="keyword">namespace </span>geom {</div> <div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  <span class="keyword">class </span>Coordinate;</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> }</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> <span class="keyword">namespace </span>geos {</div> <div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="keyword">namespace </span>noding { <span class="comment">// geos.noding</span></div> <div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div> <div class="line"><a name="l00049"></a><span class="lineno"><a class="line" href="classgeos_1_1noding_1_1Octant.html"> 49</a></span> <span class="keyword">class </span>GEOS_DLL <a class="code" href="classgeos_1_1noding_1_1Octant.html">Octant</a> {</div> <div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="keyword">private</span>:</div> <div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <a class="code" href="classgeos_1_1noding_1_1Octant.html">Octant</a>() {} <span class="comment">// Can't instanciate it</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="l00058"></a><span class="lineno"> 58</span>  <span class="keyword">static</span> <span class="keywordtype">int</span> octant(<span class="keywordtype">double</span> dx, <span class="keywordtype">double</span> dy);</div> <div class="line"><a name="l00059"></a><span class="lineno"> 59</span> </div> <div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keyword">static</span> <span class="keywordtype">int</span> octant(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a>& p0, <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a>& p1);</div> <div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  </div> <div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keyword">static</span> <span class="keywordtype">int</span> octant(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a>* p0, <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a>* p1)</div> <div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  {</div> <div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  ::geos::ignore_unused_variable_warning(p0);</div> <div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordflow">return</span> octant(*p0, *p1);</div> <div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  }</div> <div class="line"><a name="l00070"></a><span class="lineno"> 70</span> };</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> </div> <div class="line"><a name="l00073"></a><span class="lineno"> 73</span> } <span class="comment">// namespace geos.noding</span></div> <div class="line"><a name="l00074"></a><span class="lineno"> 74</span> } <span class="comment">// namespace geos</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="preprocessor">#endif</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_1noding_1_1Octant_html"><div class="ttname"><a href="classgeos_1_1noding_1_1Octant.html">geos::noding::Octant</a></div><div class="ttdoc">Methods for computing and working with octants of the Cartesian plane. </div><div class="ttdef"><b>Definition:</b> Octant.h:49</div></div> </div><!-- fragment --></div><!-- contents --> <!-- start footer part --> <hr class="footer"/><address class="footer"><small> Generated by  <a 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