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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: SweepLineSegment.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">SweepLineSegment.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) 2005-2006 Refractions Research Inc.</span></div> <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * Copyright (C) 2001-2002 Vivid Solutions 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> </div> <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#ifndef GEOS_GEOMGRAPH_INDEX_SWEEPLINESEGMENT_H</span></div> <div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor"></span><span class="preprocessor">#define GEOS_GEOMGRAPH_INDEX_SWEEPLINESEGMENT_H</span></div> <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor"></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/export.h></span></div> <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <geos/geomgraph/index/SweepLineEventObj.h></span> <span class="comment">// for inheritance</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>CoordinateSequence;</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="keyword">namespace </span>geomgraph {</div> <div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  <span class="keyword">class </span>Edge;</div> <div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <span class="keyword">namespace </span>index {</div> <div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="keyword">class </span>SegmentIntersector;</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>  }</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="l00036"></a><span class="lineno"> 36</span> <span class="keyword">namespace </span>geos {</div> <div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="keyword">namespace </span>geomgraph { <span class="comment">// geos::geomgraph</span></div> <div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="keyword">namespace </span>index { <span class="comment">// geos::geomgraph::index</span></div> <div class="line"><a name="l00039"></a><span class="lineno"> 39</span> </div> <div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="keyword">class </span>GEOS_DLL SweepLineSegment: <span class="keyword">public</span> SweepLineEventOBJ {</div> <div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="keyword">public</span>:</div> <div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  SweepLineSegment(Edge *newEdge, <span class="keywordtype">int</span> newPtIndex);</div> <div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  ~SweepLineSegment();</div> <div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keywordtype">double</span> getMinX();</div> <div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keywordtype">double</span> getMaxX();</div> <div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keywordtype">void</span> computeIntersections(SweepLineSegment *ss, SegmentIntersector *si);</div> <div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="keyword">protected</span>:</div> <div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  Edge *edge;</div> <div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keyword">const</span> geom::CoordinateSequence* pts;</div> <div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keywordtype">int</span> ptIndex;</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> </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> </div> <div class="line"><a name="l00055"></a><span class="lineno"> 55</span> } <span class="comment">// namespace geos.geomgraph.index</span></div> <div class="line"><a name="l00056"></a><span class="lineno"> 56</span> } <span class="comment">// namespace geos.geomgraph</span></div> <div class="line"><a name="l00057"></a><span class="lineno"> 57</span> } <span class="comment">// namespace geos</span></div> <div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div> <div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="preprocessor">#endif</span></div> <div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="preprocessor"></span></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" 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