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<h1>MonotoneChainSelectAction.h</h1> </div>
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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/**********************************************************************</span>
<a name="l00002"></a>00002 <span class="comment"> * $Id: MonotoneChainSelectAction.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/MonotoneChainSelectAction.java rev. 1.6 (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_MONOTONECHAINSELECTACTION_H</span>
<a name="l00021"></a>00021 <span class="preprocessor"></span><span class="preprocessor">#define GEOS_IDX_CHAIN_MONOTONECHAINSELECTACTION_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/LineSegment.h></span> <span class="comment">// composition</span>
<a name="l00025"></a>00025 <span class="preprocessor">#include <geos/geom/Envelope.h></span> <span class="comment">// composition</span>
<a name="l00026"></a>00026
<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>index {
<a name="l00031"></a>00031 <span class="keyword">namespace </span>chain {
<a name="l00032"></a>00032 <span class="keyword">class </span>MonotoneChain;
<a name="l00033"></a>00033 }
<a name="l00034"></a>00034 }
<a name="l00035"></a>00035 }
<a name="l00036"></a>00036
<a name="l00037"></a>00037 <span class="keyword">namespace </span>geos {
<a name="l00038"></a>00038 <span class="keyword">namespace </span>index { <span class="comment">// geos::index</span>
<a name="l00039"></a>00039 <span class="keyword">namespace </span>chain { <span class="comment">// geos::index::chain</span>
<a name="l00040"></a>00040
<a name="l00046"></a><a class="code" href="classgeos_1_1index_1_1chain_1_1MonotoneChainSelectAction.html">00046</a> <span class="keyword">class </span>GEOS_DLL <a class="code" href="classgeos_1_1index_1_1chain_1_1MonotoneChainSelectAction.html">MonotoneChainSelectAction</a> {
<a name="l00047"></a>00047
<a name="l00048"></a>00048 <span class="keyword">protected</span>:
<a name="l00049"></a>00049
<a name="l00050"></a>00050 <a class="code" href="classgeos_1_1geom_1_1LineSegment.html">geom::LineSegment</a> selectedSegment;
<a name="l00051"></a>00051
<a name="l00052"></a>00052 <span class="keyword">public</span>:
<a name="l00053"></a>00053
<a name="l00054"></a>00054 <a class="code" href="classgeos_1_1index_1_1chain_1_1MonotoneChainSelectAction.html">MonotoneChainSelectAction</a>() {}
<a name="l00055"></a>00055
<a name="l00056"></a>00056 <span class="keyword">virtual</span> ~<a class="code" href="classgeos_1_1index_1_1chain_1_1MonotoneChainSelectAction.html">MonotoneChainSelectAction</a>() {}
<a name="l00057"></a>00057
<a name="l00059"></a>00059 <span class="keyword">virtual</span> <span class="keywordtype">void</span> select(<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, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> start);
<a name="l00060"></a>00060
<a name="l00067"></a>00067 <span class="keyword">virtual</span> <span class="keywordtype">void</span> select(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1LineSegment.html">geom::LineSegment</a>& seg) = 0;
<a name="l00068"></a>00068
<a name="l00069"></a>00069 <span class="comment">// these envelopes are used during the MonotoneChain search process</span>
<a name="l00070"></a>00070 <span class="comment">// should only be visible by classes in this package</span>
<a name="l00071"></a>00071 <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> tempEnv1;
<a name="l00072"></a>00072 };
<a name="l00073"></a>00073
<a name="l00074"></a>00074
<a name="l00075"></a>00075 } <span class="comment">// namespace geos::index::chain</span>
<a name="l00076"></a>00076 } <span class="comment">// namespace geos::index</span>
<a name="l00077"></a>00077 } <span class="comment">// namespace geos</span>
<a name="l00078"></a>00078
<a name="l00079"></a>00079 <span class="preprocessor">#endif // GEOS_IDX_CHAIN_MONOTONECHAINSELECTACTION_H</span>
<a name="l00080"></a>00080 <span class="preprocessor"></span>
<a name="l00081"></a>00081 <span class="comment">/**********************************************************************</span>
<a name="l00082"></a>00082 <span class="comment"> * $Log$</span>
<a name="l00083"></a>00083 <span class="comment"> * Revision 1.1 2006/03/22 18:12:31 strk</span>
<a name="l00084"></a>00084 <span class="comment"> * indexChain.h header split.</span>
<a name="l00085"></a>00085 <span class="comment"> *</span>
<a name="l00086"></a>00086 <span class="comment"> **********************************************************************/</span>
<a name="l00087"></a>00087
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