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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: SegmentStringUtil.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_532943f043298e0a48be33fb828445b8.html">noding</a></li> </ul> </div> </div><!-- top --> <div class="header"> <div class="headertitle"> <div class="title">SegmentStringUtil.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> <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: noding/SegmentStringUtil.java rev. 1.2 (JTS-1.9)</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_NODING_SEGMENTSTRINGUTIL_H</span></div> <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor"></span><span class="preprocessor">#define GEOS_NODING_SEGMENTSTRINGUTIL_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/noding/NodedSegmentString.h></span></div> <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <geos/geom/LineString.h></span></div> <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <geos/geom/CoordinateSequence.h></span></div> <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <geos/geom/util/LinearComponentExtracter.h></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="keyword">namespace </span>geos {</div> <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="keyword">namespace </span>noding { <span class="comment">// geos::noding</span></div> <div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div> <div class="line"><a name="l00037"></a><span class="lineno"><a class="line" href="classgeos_1_1noding_1_1SegmentStringUtil.html"> 37</a></span> <span class="keyword">class </span><a class="code" href="classgeos_1_1noding_1_1SegmentStringUtil.html">SegmentStringUtil</a></div> <div class="line"><a name="l00038"></a><span class="lineno"> 38</span> {</div> <div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="keyword">public</span>:</div> <div class="line"><a name="l00051"></a><span class="lineno"><a class="line" href="classgeos_1_1noding_1_1SegmentStringUtil.html#ae1d7039ca7a1f3b3620bf33f90fa4a59"> 51</a></span>  <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="classgeos_1_1noding_1_1SegmentStringUtil.html#ae1d7039ca7a1f3b3620bf33f90fa4a59">extractSegmentStrings</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="l00052"></a><span class="lineno"> 52</span>  SegmentString::ConstVect& segStr)</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>  <a class="code" href="classgeos_1_1geom_1_1LineString.html#aa165bf9c81c16f6b7934804bcdbbcd4f">geom::LineString::ConstVect</a> lines;</div> <div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <a class="code" href="classgeos_1_1geom_1_1util_1_1LinearComponentExtracter.html#a3b88d71fbbb980e558ee0311f743c4cf">geom::util::LinearComponentExtracter::getLines</a>(*g, lines);</div> <div class="line"><a name="l00056"></a><span class="lineno"> 56</span> </div> <div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keywordflow">for</span> (std::size_t i=0, n=lines.size(); i<n; i++)</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>  <a class="code" href="classgeos_1_1geom_1_1LineString.html">geom::LineString</a>* line = (<a class="code" href="classgeos_1_1geom_1_1LineString.html">geom::LineString</a>*)(lines[i]);</div> <div class="line"><a name="l00060"></a><span class="lineno"> 60</span> </div> <div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="comment">// we take ownership of the coordinates here</span></div> <div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="comment">// TODO: check if this can be optimized by getting</span></div> <div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="comment">// the internal CS.</span></div> <div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <a class="code" href="classgeos_1_1geom_1_1CoordinateSequence.html">geom::CoordinateSequence</a>* pts = line-><a class="code" href="classgeos_1_1geom_1_1LineString.html#aec9aa8117c882d5896a97c1e927559d9">getCoordinates</a>();</div> <div class="line"><a name="l00065"></a><span class="lineno"> 65</span> </div> <div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  segStr.push_back(<span class="keyword">new</span> <a class="code" href="classgeos_1_1noding_1_1NodedSegmentString.html">NodedSegmentString</a>(pts, g));</div> <div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  }</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> </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> } <span class="comment">// geos::noding</span></div> <div class="line"><a name="l00073"></a><span class="lineno"> 73</span> } <span class="comment">// geos</span></div> <div class="line"><a name="l00074"></a><span class="lineno"> 74</span> </div> <div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="preprocessor">#endif // GEOS_NODING_SEGMENTSTRINGUTIL_H</span></div> <div class="ttc" id="classgeos_1_1geom_1_1LineString_html_aec9aa8117c882d5896a97c1e927559d9"><div class="ttname"><a href="classgeos_1_1geom_1_1LineString.html#aec9aa8117c882d5896a97c1e927559d9">geos::geom::LineString::getCoordinates</a></div><div class="ttdeci">virtual CoordinateSequence * getCoordinates() const </div><div class="ttdoc">Returns this Geometry vertices. Caller takes ownership of the returned object. </div></div> <div class="ttc" id="classgeos_1_1noding_1_1NodedSegmentString_html"><div class="ttname"><a href="classgeos_1_1noding_1_1NodedSegmentString.html">geos::noding::NodedSegmentString</a></div><div class="ttdoc">Represents a list of contiguous line segments, and supports noding the segments. </div><div class="ttdef"><b>Definition:</b> NodedSegmentString.h:57</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_1geom_1_1LineString_html"><div class="ttname"><a href="classgeos_1_1geom_1_1LineString.html">geos::geom::LineString</a></div><div class="ttdef"><b>Definition:</b> LineString.h:70</div></div> <div class="ttc" id="classgeos_1_1geom_1_1LineString_html_aa165bf9c81c16f6b7934804bcdbbcd4f"><div class="ttname"><a href="classgeos_1_1geom_1_1LineString.html#aa165bf9c81c16f6b7934804bcdbbcd4f">geos::geom::LineString::ConstVect</a></div><div class="ttdeci">std::vector< const LineString * > ConstVect</div><div class="ttdoc">A vector of const LineString pointers. </div><div class="ttdef"><b>Definition:</b> LineString.h:77</div></div> <div class="ttc" id="classgeos_1_1noding_1_1SegmentStringUtil_html_ae1d7039ca7a1f3b3620bf33f90fa4a59"><div class="ttname"><a href="classgeos_1_1noding_1_1SegmentStringUtil.html#ae1d7039ca7a1f3b3620bf33f90fa4a59">geos::noding::SegmentStringUtil::extractSegmentStrings</a></div><div class="ttdeci">static void extractSegmentStrings(const geom::Geometry *g, SegmentString::ConstVect &segStr)</div><div class="ttdoc">Extracts all linear components from a given Geometry to SegmentStrings. </div><div class="ttdef"><b>Definition:</b> SegmentStringUtil.h:51</div></div> <div class="ttc" id="classgeos_1_1geom_1_1util_1_1LinearComponentExtracter_html_a3b88d71fbbb980e558ee0311f743c4cf"><div class="ttname"><a href="classgeos_1_1geom_1_1util_1_1LinearComponentExtracter.html#a3b88d71fbbb980e558ee0311f743c4cf">geos::geom::util::LinearComponentExtracter::getLines</a></div><div class="ttdeci">static void getLines(const Geometry &geom, std::vector< const LineString * > &ret)</div></div> <div class="ttc" id="classgeos_1_1noding_1_1SegmentStringUtil_html"><div class="ttname"><a href="classgeos_1_1noding_1_1SegmentStringUtil.html">geos::noding::SegmentStringUtil</a></div><div class="ttdoc">Utility methods for processing SegmentStrings. </div><div class="ttdef"><b>Definition:</b> SegmentStringUtil.h:37</div></div> <div class="ttc" id="classgeos_1_1geom_1_1CoordinateSequence_html"><div class="ttname"><a href="classgeos_1_1geom_1_1CoordinateSequence.html">geos::geom::CoordinateSequence</a></div><div class="ttdoc">The internal representation of a list of coordinates inside a Geometry. </div><div class="ttdef"><b>Definition:</b> CoordinateSequence.h:59</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>