<!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: MonotoneChain.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>MonotoneChain.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: MonotoneChain.h 2774 2009-12-03 19:36:56Z mloskot $</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/MonotoneChain.java rev. 1.15 (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_MONOTONECHAIN_H</span>
<a name="l00021"></a>00021 <span class="preprocessor"></span><span class="preprocessor">#define GEOS_IDX_CHAIN_MONOTONECHAIN_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 <geos/geom/Envelope.h></span> <span class="comment">// for inline</span>
<a name="l00025"></a>00025
<a name="l00026"></a>00026 <span class="preprocessor">#include <memory></span> <span class="comment">// for auto_ptr</span>
<a name="l00027"></a>00027
<a name="l00028"></a>00028 <span class="comment">// Forward declarations</span>
<a name="l00029"></a>00029 <span class="keyword">namespace </span>geos {
<a name="l00030"></a>00030 <span class="keyword">namespace </span>geom {
<a name="l00031"></a>00031 <span class="keyword">class </span>Envelope;
<a name="l00032"></a>00032 <span class="keyword">class </span>LineSegment;
<a name="l00033"></a>00033 <span class="keyword">class </span>CoordinateSequence;
<a name="l00034"></a>00034 }
<a name="l00035"></a>00035 <span class="keyword">namespace </span>index {
<a name="l00036"></a>00036 <span class="keyword">namespace </span>chain {
<a name="l00037"></a>00037 <span class="keyword">class </span>MonotoneChainSelectAction;
<a name="l00038"></a>00038 <span class="keyword">class </span>MonotoneChainOverlapAction;
<a name="l00039"></a>00039 }
<a name="l00040"></a>00040 }
<a name="l00041"></a>00041 }
<a name="l00042"></a>00042
<a name="l00043"></a>00043 <span class="keyword">namespace </span>geos {
<a name="l00044"></a>00044 <span class="keyword">namespace </span>index { <span class="comment">// geos::index</span>
<a name="l00045"></a>00045 <span class="keyword">namespace </span>chain { <span class="comment">// geos::index::chain</span>
<a name="l00046"></a>00046
<a name="l00086"></a><a class="code" href="classgeos_1_1index_1_1chain_1_1MonotoneChain.html">00086</a> <span class="keyword">class </span>GEOS_DLL <a class="code" href="classgeos_1_1index_1_1chain_1_1MonotoneChain.html" title="Monotone Chains are a way of partitioning the segments of a linestring to allow for fast searching of...">MonotoneChain</a>
<a name="l00087"></a>00087 {
<a name="l00088"></a>00088 <span class="keyword">public</span>:
<a name="l00089"></a>00089
<a name="l00100"></a>00100 <a class="code" href="classgeos_1_1index_1_1chain_1_1MonotoneChain.html" title="Monotone Chains are a way of partitioning the segments of a linestring to allow for fast searching of...">MonotoneChain</a>(<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, <span class="keywordtype">size_t</span> end, <span class="keywordtype">void</span>* context);
<a name="l00102"></a>00102
<a name="l00103"></a>00103 ~<a class="code" href="classgeos_1_1index_1_1chain_1_1MonotoneChain.html" title="Monotone Chains are a way of partitioning the segments of a linestring to allow for fast searching of...">MonotoneChain</a>();
<a name="l00104"></a>00104
<a name="l00106"></a>00106 <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Envelope.html" title="An Envelope defines a rectangulare region of the 2D coordinate plane.">geom::Envelope</a>& getEnvelope() <span class="keyword">const</span>;
<a name="l00107"></a>00107
<a name="l00108"></a>00108 <span class="keywordtype">size_t</span> getStartIndex()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> start; }
<a name="l00109"></a>00109
<a name="l00110"></a>00110 <span class="keywordtype">size_t</span> getEndIndex()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> end; }
<a name="l00111"></a>00111
<a name="l00116"></a>00116 <span class="keywordtype">void</span> getLineSegment(<span class="keywordtype">size_t</span> index, <a class="code" href="classgeos_1_1geom_1_1LineSegment.html">geom::LineSegment</a>& ls) <span class="keyword">const</span>;
<a name="l00117"></a>00117
<a name="l00123"></a>00123 std::auto_ptr<geom::CoordinateSequence> getCoordinates() <span class="keyword">const</span>;
<a name="l00124"></a>00124
<a name="l00129"></a>00129 <span class="keywordtype">void</span> select(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Envelope.html" title="An Envelope defines a rectangulare region of the 2D coordinate plane.">geom::Envelope</a>& searchEnv,
<a name="l00130"></a>00130 <a class="code" href="classgeos_1_1index_1_1chain_1_1MonotoneChainSelectAction.html">MonotoneChainSelectAction</a>& mcs);
<a name="l00131"></a>00131
<a name="l00132"></a>00132 <span class="keywordtype">void</span> computeOverlaps(<a class="code" href="classgeos_1_1index_1_1chain_1_1MonotoneChain.html" title="Monotone Chains are a way of partitioning the segments of a linestring to allow for fast searching of...">MonotoneChain</a> *mc,
<a name="l00133"></a>00133 <a class="code" href="classgeos_1_1index_1_1chain_1_1MonotoneChainOverlapAction.html">MonotoneChainOverlapAction</a> *mco);
<a name="l00134"></a>00134
<a name="l00135"></a>00135 <span class="keywordtype">void</span> setId(<span class="keywordtype">int</span> nId) { <span class="keywordtype">id</span>=nId; }
<a name="l00136"></a>00136
<a name="l00137"></a>00137 <span class="keyword">inline</span> <span class="keywordtype">int</span> getId()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> id; }
<a name="l00138"></a>00138
<a name="l00139"></a>00139 <span class="keywordtype">void</span>* getContext() { <span class="keywordflow">return</span> context; }
<a name="l00140"></a>00140
<a name="l00141"></a>00141 <span class="keyword">private</span>:
<a name="l00142"></a>00142
<a name="l00143"></a>00143 <span class="keywordtype">void</span> computeSelect(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Envelope.html" title="An Envelope defines a rectangulare region of the 2D coordinate plane.">geom::Envelope</a>& searchEnv,
<a name="l00144"></a>00144 <span class="keywordtype">size_t</span> start0,
<a name="l00145"></a>00145 <span class="keywordtype">size_t</span> end0,
<a name="l00146"></a>00146 <a class="code" href="classgeos_1_1index_1_1chain_1_1MonotoneChainSelectAction.html">MonotoneChainSelectAction</a>& mcs);
<a name="l00147"></a>00147
<a name="l00148"></a>00148 <span class="keywordtype">void</span> computeOverlaps(<span class="keywordtype">size_t</span> start0, <span class="keywordtype">size_t</span> end0, <a class="code" href="classgeos_1_1index_1_1chain_1_1MonotoneChain.html" title="Monotone Chains are a way of partitioning the segments of a linestring to allow for fast searching of...">MonotoneChain</a>& mc,
<a name="l00149"></a>00149 <span class="keywordtype">size_t</span> start1, <span class="keywordtype">size_t</span> end1,
<a name="l00150"></a>00150 <a class="code" href="classgeos_1_1index_1_1chain_1_1MonotoneChainOverlapAction.html">MonotoneChainOverlapAction</a>& mco);
<a name="l00151"></a>00151
<a name="l00153"></a>00153 <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="l00154"></a>00154
<a name="l00156"></a>00156 <span class="keyword">mutable</span> <a class="code" href="classgeos_1_1geom_1_1Envelope.html" title="An Envelope defines a rectangulare region of the 2D coordinate plane.">geom::Envelope</a>* env;
<a name="l00157"></a>00157
<a name="l00159"></a>00159 <span class="keywordtype">void</span>* context;
<a name="l00160"></a>00160
<a name="l00162"></a>00162 <span class="keywordtype">size_t</span> start;
<a name="l00163"></a>00163
<a name="l00165"></a>00165 <span class="keywordtype">size_t</span> end;
<a name="l00166"></a>00166
<a name="l00168"></a>00168 <span class="keywordtype">int</span> id;
<a name="l00169"></a>00169
<a name="l00170"></a>00170 <span class="comment">// Declare type as noncopyable</span>
<a name="l00171"></a>00171 <a class="code" href="classgeos_1_1index_1_1chain_1_1MonotoneChain.html" title="Monotone Chains are a way of partitioning the segments of a linestring to allow for fast searching of...">MonotoneChain</a>(<span class="keyword">const</span> <a class="code" href="classgeos_1_1index_1_1chain_1_1MonotoneChain.html" title="Monotone Chains are a way of partitioning the segments of a linestring to allow for fast searching of...">MonotoneChain</a>& other);
<a name="l00172"></a>00172 <a class="code" href="classgeos_1_1index_1_1chain_1_1MonotoneChain.html" title="Monotone Chains are a way of partitioning the segments of a linestring to allow for fast searching of...">MonotoneChain</a>& operator=(<span class="keyword">const</span> <a class="code" href="classgeos_1_1index_1_1chain_1_1MonotoneChain.html" title="Monotone Chains are a way of partitioning the segments of a linestring to allow for fast searching of...">MonotoneChain</a>& rhs);
<a name="l00173"></a>00173 };
<a name="l00174"></a>00174
<a name="l00175"></a>00175 } <span class="comment">// namespace geos::index::chain</span>
<a name="l00176"></a>00176 } <span class="comment">// namespace geos::index</span>
<a name="l00177"></a>00177 } <span class="comment">// namespace geos</span>
<a name="l00178"></a>00178
<a name="l00179"></a>00179 <span class="preprocessor">#endif // GEOS_IDX_CHAIN_MONOTONECHAIN_H</span>
<a name="l00180"></a>00180 <span class="preprocessor"></span>
<a name="l00181"></a>00181 <span class="comment">/**********************************************************************</span>
<a name="l00182"></a>00182 <span class="comment"> * $Log$</span>
<a name="l00183"></a>00183 <span class="comment"> * Revision 1.1 2006/03/22 18:12:31 strk</span>
<a name="l00184"></a>00184 <span class="comment"> * indexChain.h header split.</span>
<a name="l00185"></a>00185 <span class="comment"> *</span>
<a name="l00186"></a>00186 <span class="comment"> **********************************************************************/</span>
<a name="l00187"></a>00187
</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>
