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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: LengthIndexedLine.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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</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) 2011 Sandro Santilli <strk@keybit.net></span></div> <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * Copyright (C) 2005-2006 Refractions Research Inc.</span></div> <div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * Copyright (C) 2001-2002 Vivid Solutions Inc.</span></div> <div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> *</span></div> <div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * This is free software; you can redistribute and/or modify it under</span></div> <div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * the terms of the GNU Lesser General Public Licence as published</span></div> <div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * by the Free Software Foundation.</span></div> <div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * See the COPYING file for more information.</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"> *</span></div> <div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * Last port: linearref/LengthIndexedLine.java r463</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> <span class="comment"> **********************************************************************/</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">#ifndef GEOS_LINEARREF_LENGTHINDEXEDLINE_H</span></div> <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor"></span><span class="preprocessor">#define GEOS_LINEARREF_LENGTHINDEXEDLINE_H</span></div> <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <geos/export.h></span></div> <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <geos/geom/Coordinate.h></span></div> <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <geos/geom/Geometry.h></span></div> <div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <geos/linearref/LinearLocation.h></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> <span class="keyword">namespace </span>geos</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> <span class="keyword">namespace </span>linearref <span class="comment">// geos::linearref</span></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="l00045"></a><span class="lineno"><a class="line" href="classgeos_1_1linearref_1_1LengthIndexedLine.html"> 45</a></span> <span class="keyword">class </span>GEOS_DLL <a class="code" href="classgeos_1_1linearref_1_1LengthIndexedLine.html">LengthIndexedLine</a></div> <div class="line"><a name="l00046"></a><span class="lineno"> 46</span> {</div> <div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="keyword">private</span>:</div> <div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a> *linearGeom;</div> <div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <a class="code" href="classgeos_1_1linearref_1_1LinearLocation.html">LinearLocation</a> locationOf(<span class="keywordtype">double</span> index) <span class="keyword">const</span>;</div> <div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <a class="code" href="classgeos_1_1linearref_1_1LinearLocation.html">LinearLocation</a> locationOf(<span class="keywordtype">double</span> index, <span class="keywordtype">bool</span> resolveLower) <span class="keyword">const</span>;</div> <div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keywordtype">double</span> positiveIndex(<span class="keywordtype">double</span> index) <span class="keyword">const</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> <span class="keyword">public</span>:</div> <div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div> <div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <a class="code" href="classgeos_1_1linearref_1_1LengthIndexedLine.html">LengthIndexedLine</a>(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a> *linearGeom);</div> <div class="line"><a name="l00063"></a><span class="lineno"> 63</span> </div> <div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> extractPoint(<span class="keywordtype">double</span> index) <span class="keyword">const</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> </div> <div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> extractPoint(<span class="keywordtype">double</span> index, <span class="keywordtype">double</span> offsetDistance) <span class="keyword">const</span>;</div> <div class="line"><a name="l00097"></a><span class="lineno"> 97</span> </div> <div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a> *extractLine(<span class="keywordtype">double</span> startIndex, <span class="keywordtype">double</span> endIndex) <span class="keyword">const</span>;</div> <div class="line"><a name="l00109"></a><span class="lineno"> 109</span> </div> <div class="line"><a name="l00110"></a><span class="lineno"> 110</span> </div> <div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keywordtype">double</span> indexOf(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a>& pt) <span class="keyword">const</span>;</div> <div class="line"><a name="l00129"></a><span class="lineno"> 129</span> </div> <div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="keywordtype">double</span> indexOfAfter(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a>& pt, <span class="keywordtype">double</span> minIndex) <span class="keyword">const</span>;</div> <div class="line"><a name="l00153"></a><span class="lineno"> 153</span> </div> <div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordtype">double</span>* indicesOf(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a> *subLine) <span class="keyword">const</span>;</div> <div class="line"><a name="l00164"></a><span class="lineno"> 164</span> </div> <div class="line"><a name="l00165"></a><span class="lineno"> 165</span> </div> <div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keywordtype">double</span> project(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a>& pt) <span class="keyword">const</span>;</div> <div class="line"><a name="l00176"></a><span class="lineno"> 176</span> </div> <div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keywordtype">double</span> getStartIndex() <span class="keyword">const</span>;</div> <div class="line"><a name="l00182"></a><span class="lineno"> 182</span> </div> <div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="keywordtype">double</span> getEndIndex() <span class="keyword">const</span>;</div> <div class="line"><a name="l00188"></a><span class="lineno"> 188</span> </div> <div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="keywordtype">bool</span> isValidIndex(<span class="keywordtype">double</span> index) <span class="keyword">const</span>;</div> <div class="line"><a name="l00196"></a><span class="lineno"> 196</span> </div> <div class="line"><a name="l00197"></a><span class="lineno"> 197</span> </div> <div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="keywordtype">double</span> clampIndex(<span class="keywordtype">double</span> index) <span class="keyword">const</span>;</div> <div class="line"><a name="l00205"></a><span class="lineno"> 205</span> };</div> <div class="line"><a name="l00206"></a><span class="lineno"> 206</span> }</div> <div class="line"><a name="l00207"></a><span class="lineno"> 207</span> }</div> <div class="line"><a name="l00208"></a><span class="lineno"> 208</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_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_1linearref_1_1LinearLocation_html"><div class="ttname"><a href="classgeos_1_1linearref_1_1LinearLocation.html">geos::linearref::LinearLocation</a></div><div class="ttdoc">Represents a location along a LineString or MultiLineString. </div><div class="ttdef"><b>Definition:</b> LinearLocation.h:43</div></div> <div class="ttc" id="classgeos_1_1linearref_1_1LengthIndexedLine_html"><div class="ttname"><a href="classgeos_1_1linearref_1_1LengthIndexedLine.html">geos::linearref::LengthIndexedLine</a></div><div class="ttdoc">Supports linear referencing along a linear Geometry using the length along the line as the index...</div><div class="ttdef"><b>Definition:</b> LengthIndexedLine.h:45</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>