<!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"/> <title>GEOS: MonotoneChainBuilder.h Source File</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <link href="doxygen.css" rel="stylesheet" type="text/css"/> </head> <body> <!-- Generated by Doxygen 1.7.1 --> <div class="navigation" id="top"> <div 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 class="tabs2"> <ul class="tablist"> <li><a href="files.html"><span>File List</span></a></li> </ul> </div> <div class="header"> <div class="headertitle"> <h1>MonotoneChainBuilder.h</h1> </div> </div> <div class="contents"> <div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/**********************************************************************</span> <a name="l00002"></a>00002 <span class="comment"> * $Id: MonotoneChainBuilder.h 2556 2009-06-06 22:22:28Z strk $</span> <a name="l00003"></a>00003 <span class="comment"> *</span> <a name="l00004"></a>00004 <span class="comment"> * GEOS - Geometry Engine Open Source</span> <a name="l00005"></a>00005 <span class="comment"> * http://geos.refractions.net</span> <a name="l00006"></a>00006 <span class="comment"> *</span> <a name="l00007"></a>00007 <span class="comment"> * Copyright (C) 2001-2002 Vivid Solutions Inc.</span> <a name="l00008"></a>00008 <span class="comment"> *</span> <a name="l00009"></a>00009 <span class="comment"> * This is free software; you can redistribute and/or modify it under</span> <a name="l00010"></a>00010 <span class="comment"> * the terms of the GNU Lesser General Public Licence as published</span> <a name="l00011"></a>00011 <span class="comment"> * by the Free Software Foundation. </span> <a name="l00012"></a>00012 <span class="comment"> * See the COPYING file for more information.</span> <a name="l00013"></a>00013 <span class="comment"> *</span> <a name="l00014"></a>00014 <span class="comment"> **********************************************************************</span> <a name="l00015"></a>00015 <span class="comment"> *</span> <a name="l00016"></a>00016 <span class="comment"> * Last port: index/chain/MonotoneChainBuilder.java rev 1.12 (JTS-1.10)</span> <a name="l00017"></a>00017 <span class="comment"> *</span> <a name="l00018"></a>00018 <span class="comment"> **********************************************************************/</span> <a name="l00019"></a>00019 <a name="l00020"></a>00020 <span class="preprocessor">#ifndef GEOS_IDX_CHAIN_MONOTONECHAINBUILDER_H</span> <a name="l00021"></a>00021 <span class="preprocessor"></span><span class="preprocessor">#define GEOS_IDX_CHAIN_MONOTONECHAINBUILDER_H</span> <a name="l00022"></a>00022 <span class="preprocessor"></span> <a name="l00023"></a>00023 <span class="preprocessor">#include <geos/export.h></span> <a name="l00024"></a>00024 <span class="preprocessor">#include <vector></span> <a name="l00025"></a>00025 <a name="l00026"></a>00026 <span class="comment">// Forward declarations</span> <a name="l00027"></a>00027 <span class="keyword">namespace </span>geos { <a name="l00028"></a>00028 <span class="keyword">namespace </span>geom { <a name="l00029"></a>00029 <span class="keyword">class </span>CoordinateSequence; <a name="l00030"></a>00030 } <a name="l00031"></a>00031 <span class="keyword">namespace </span>index { <a name="l00032"></a>00032 <span class="keyword">namespace </span>chain { <a name="l00033"></a>00033 <span class="keyword">class </span>MonotoneChain; <a name="l00034"></a>00034 } <a name="l00035"></a>00035 } <a name="l00036"></a>00036 } <a name="l00037"></a>00037 <a name="l00038"></a>00038 <span class="keyword">namespace </span>geos { <a name="l00039"></a>00039 <span class="keyword">namespace </span>index { <span class="comment">// geos::index</span> <a name="l00040"></a>00040 <span class="keyword">namespace </span>chain { <span class="comment">// geos::index::chain</span> <a name="l00041"></a>00041 <a name="l00048"></a><a class="code" href="classgeos_1_1index_1_1chain_1_1MonotoneChainBuilder.html">00048</a> <span class="keyword">class </span>GEOS_DLL <a class="code" href="classgeos_1_1index_1_1chain_1_1MonotoneChainBuilder.html" title="Constructs MonotoneChains for sequences of Coordinates.">MonotoneChainBuilder</a> { <a name="l00049"></a>00049 <a name="l00050"></a>00050 <span class="keyword">public</span>: <a name="l00051"></a>00051 <a name="l00052"></a>00052 <a class="code" href="classgeos_1_1index_1_1chain_1_1MonotoneChainBuilder.html" title="Constructs MonotoneChains for sequences of Coordinates.">MonotoneChainBuilder</a>(){} <a name="l00053"></a>00053 <a name="l00059"></a>00059 <span class="keyword">static</span> std::vector<MonotoneChain*>* getChains( <a name="l00060"></a>00060 <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1CoordinateSequence.html" title="The internal representation of a list of coordinates inside a Geometry.">geom::CoordinateSequence</a> *pts, <a name="l00061"></a>00061 <span class="keywordtype">void</span>* context); <a name="l00062"></a>00062 <a name="l00068"></a>00068 <span class="keyword">static</span> <span class="keywordtype">void</span> getChains(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1CoordinateSequence.html" title="The internal representation of a list of coordinates inside a Geometry.">geom::CoordinateSequence</a> *pts, <a name="l00069"></a>00069 <span class="keywordtype">void</span>* context, <a name="l00070"></a>00070 std::vector<MonotoneChain*>& mcList); <a name="l00071"></a>00071 <a name="l00072"></a>00072 <span class="keyword">static</span> std::vector<MonotoneChain*>* getChains(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1CoordinateSequence.html" title="The internal representation of a list of coordinates inside a Geometry.">geom::CoordinateSequence</a> *pts) <a name="l00073"></a>00073 { <a name="l00074"></a>00074 <span class="keywordflow">return</span> getChains(pts, NULL); <a name="l00075"></a>00075 } <a name="l00076"></a>00076 <a name="l00084"></a>00084 <span class="keyword">static</span> <span class="keywordtype">void</span> getChainStartIndices(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1CoordinateSequence.html" title="The internal representation of a list of coordinates inside a Geometry.">geom::CoordinateSequence</a>& pts, <a name="l00085"></a>00085 std::vector<std::size_t>& startIndexList); <a name="l00086"></a>00086 <a name="l00087"></a>00087 <span class="keyword">private</span>: <a name="l00088"></a>00088 <a name="l00100"></a>00100 <span class="keyword">static</span> <span class="keywordtype">size_t</span> findChainEnd(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1CoordinateSequence.html" title="The internal representation of a list of coordinates inside a Geometry.">geom::CoordinateSequence</a>& pts, <a name="l00101"></a>00101 <span class="keywordtype">size_t</span> start); <a name="l00102"></a>00102 }; <a name="l00103"></a>00103 <a name="l00104"></a>00104 } <span class="comment">// namespace geos::index::chain</span> <a name="l00105"></a>00105 } <span class="comment">// namespace geos::index</span> <a name="l00106"></a>00106 } <span class="comment">// namespace geos</span> <a name="l00107"></a>00107 <a name="l00108"></a>00108 <span class="preprocessor">#endif // GEOS_IDX_CHAIN_MONOTONECHAINBUILDER_H</span> <a name="l00109"></a>00109 <span class="preprocessor"></span> <a name="l00110"></a>00110 <span class="comment">/**********************************************************************</span> <a name="l00111"></a>00111 <span class="comment"> * $Log$</span> <a name="l00112"></a>00112 <span class="comment"> * Revision 1.1 2006/03/22 18:12:31 strk</span> <a name="l00113"></a>00113 <span class="comment"> * indexChain.h header split.</span> <a name="l00114"></a>00114 <span class="comment"> *</span> <a name="l00115"></a>00115 <span class="comment"> **********************************************************************/</span> <a name="l00116"></a>00116 </pre></div></div> </div> <hr class="footer"/><address class="footer"><small>Generated on Thu Jul 22 2010 for GEOS by <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.1 </small></address> </body> </html>