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<h1>MCPointInRing.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: MCPointInRing.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) 2005-2006 Refractions Research Inc.</span>
<a name="l00008"></a>00008 <span class="comment"> * Copyright (C) 2001-2002 Vivid Solutions Inc.</span>
<a name="l00009"></a>00009 <span class="comment"> *</span>
<a name="l00010"></a>00010 <span class="comment"> * This is free software; you can redistribute and/or modify it under</span>
<a name="l00011"></a>00011 <span class="comment"> * the terms of the GNU Lesser General Public Licence as published</span>
<a name="l00012"></a>00012 <span class="comment"> * by the Free Software Foundation. </span>
<a name="l00013"></a>00013 <span class="comment"> * See the COPYING file for more information.</span>
<a name="l00014"></a>00014 <span class="comment"> *</span>
<a name="l00015"></a>00015 <span class="comment"> **********************************************************************/</span>
<a name="l00016"></a>00016
<a name="l00017"></a>00017 <span class="preprocessor">#ifndef GEOS_ALGORITHM_MCPOINTINRING_H</span>
<a name="l00018"></a>00018 <span class="preprocessor"></span><span class="preprocessor">#define GEOS_ALGORITHM_MCPOINTINRING_H</span>
<a name="l00019"></a>00019 <span class="preprocessor"></span>
<a name="l00020"></a>00020 <span class="preprocessor">#include <geos/export.h></span>
<a name="l00021"></a>00021 <span class="preprocessor">#include <geos/index/chain/MonotoneChainSelectAction.h></span> <span class="comment">// for inheritance</span>
<a name="l00022"></a>00022 <span class="preprocessor">#include <geos/algorithm/PointInRing.h></span> <span class="comment">// for inheritance</span>
<a name="l00023"></a>00023 <span class="preprocessor">#include <geos/geom/Coordinate.h></span> <span class="comment">// for composition</span>
<a name="l00024"></a>00024 <span class="preprocessor">#include <geos/index/bintree/Interval.h></span> <span class="comment">// for composition</span>
<a name="l00025"></a>00025
<a name="l00026"></a>00026 <span class="preprocessor">#include <vector></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>Coordinate;
<a name="l00032"></a>00032 <span class="keyword">class </span>LineSegment;
<a name="l00033"></a>00033 <span class="keyword">class </span>LinearRing;
<a name="l00034"></a>00034 <span class="keyword">class </span>CoordinateSequence;
<a name="l00035"></a>00035 <span class="keyword">class </span>CoordinateSequence;
<a name="l00036"></a>00036 }
<a name="l00037"></a>00037 <span class="keyword">namespace </span>index {
<a name="l00038"></a><a class="code" href="namespacegeos_1_1index_1_1bintree.html">00038</a> <span class="keyword">namespace </span>bintree {
<a name="l00039"></a>00039 <span class="keyword">class </span><a class="code" href="classgeos_1_1index_1_1bintree_1_1Bintree.html" title="An BinTree (or &quot;Binary Interval Tree&quot;) is a 1-dimensional version of a quadtree.">Bintree</a>;
<a name="l00040"></a>00040 <span class="keyword">class </span><a class="code" href="classgeos_1_1index_1_1bintree_1_1Interval.html" title="Represents an (1-dimensional) closed interval on the Real number line.">Interval</a>;
<a name="l00041"></a>00041 }
<a name="l00042"></a><a class="code" href="namespacegeos_1_1index_1_1chain.html">00042</a> <span class="keyword">namespace </span>chain {
<a name="l00043"></a>00043 <span class="keyword">class </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>;
<a name="l00044"></a>00044 }
<a name="l00045"></a>00045 }
<a name="l00046"></a>00046 }
<a name="l00047"></a>00047
<a name="l00048"></a>00048 <span class="keyword">namespace </span>geos {
<a name="l00049"></a>00049 <span class="keyword">namespace </span>algorithm { <span class="comment">// geos::algorithm</span>
<a name="l00050"></a>00050
<a name="l00051"></a>00051 <span class="keyword">class </span>GEOS_DLL MCPointInRing: <span class="keyword">public</span> PointInRing {
<a name="l00052"></a>00052 <span class="keyword">public</span>:
<a name="l00053"></a>00053 MCPointInRing(<span class="keyword">const</span> geom::LinearRing *newRing);
<a name="l00054"></a>00054 ~MCPointInRing();
<a name="l00055"></a>00055 <span class="keywordtype">bool</span> isInside(<span class="keyword">const</span> geom::Coordinate& pt);
<a name="l00056"></a>00056
<a name="l00057"></a>00057 <span class="keywordtype">void</span> testLineSegment(<span class="keyword">const</span> geom::Coordinate& p,
<a name="l00058"></a>00058 <span class="keyword">const</span> geom::LineSegment& seg);
<a name="l00059"></a>00059
<a name="l00060"></a>00060 <span class="keyword">class </span>MCSelecter: <span class="keyword">public</span> index::chain::MonotoneChainSelectAction {
<a name="l00061"></a>00061 <span class="keyword">using</span> MonotoneChainSelectAction::select;
<a name="l00062"></a>00062 <span class="keyword">private</span>:
<a name="l00063"></a>00063 geom::Coordinate p;
<a name="l00064"></a>00064 MCPointInRing *parent;
<a name="l00065"></a>00065 <span class="keyword">public</span>:
<a name="l00066"></a>00066 MCSelecter(<span class="keyword">const</span> geom::Coordinate& newP, MCPointInRing *prt);
<a name="l00067"></a>00067 <span class="keywordtype">void</span> select(<span class="keyword">const</span> geom::LineSegment& ls);
<a name="l00068"></a>00068 };
<a name="l00069"></a>00069
<a name="l00070"></a>00070 <span class="keyword">private</span>:
<a name="l00071"></a>00071 <span class="keyword">const</span> geom::LinearRing *ring;
<a name="l00072"></a>00072 index::bintree::Interval interval;
<a name="l00073"></a>00073 geom::CoordinateSequence *pts;
<a name="l00074"></a>00074 index::bintree::Bintree *tree;
<a name="l00075"></a>00075 <span class="keywordtype">int</span> crossings; <span class="comment">// number of segment/ray crossings</span>
<a name="l00076"></a>00076 <span class="keywordtype">void</span> buildIndex();
<a name="l00077"></a>00077 <span class="keywordtype">void</span> testMonotoneChain(geom::Envelope *rayEnv,
<a name="l00078"></a>00078 MCSelecter *mcSelecter,
<a name="l00079"></a>00079 index::chain::MonotoneChain *mc);
<a name="l00080"></a>00080 };
<a name="l00081"></a>00081
<a name="l00082"></a>00082 } <span class="comment">// namespace geos::algorithm</span>
<a name="l00083"></a>00083 } <span class="comment">// namespace geos</span>
<a name="l00084"></a>00084
<a name="l00085"></a>00085 <span class="preprocessor">#endif // GEOS_ALGORITHM_MCPOINTINRING_H</span>
<a name="l00086"></a>00086 <span class="preprocessor"></span>
<a name="l00087"></a>00087 <span class="comment">/**********************************************************************</span>
<a name="l00088"></a>00088 <span class="comment"> * $Log$</span>
<a name="l00089"></a>00089 <span class="comment"> * Revision 1.4 2006/03/29 11:52:00 strk</span>
<a name="l00090"></a>00090 <span class="comment"> * const correctness, useless heap allocations removal</span>
<a name="l00091"></a>00091 <span class="comment"> *</span>
<a name="l00092"></a>00092 <span class="comment"> * Revision 1.3 2006/03/22 18:12:31 strk</span>
<a name="l00093"></a>00093 <span class="comment"> * indexChain.h header split.</span>
<a name="l00094"></a>00094 <span class="comment"> *</span>
<a name="l00095"></a>00095 <span class="comment"> * Revision 1.2 2006/03/22 16:01:33 strk</span>
<a name="l00096"></a>00096 <span class="comment"> * indexBintree.h header split, classes renamed to match JTS</span>
<a name="l00097"></a>00097 <span class="comment"> *</span>
<a name="l00098"></a>00098 <span class="comment"> * Revision 1.1 2006/03/09 16:46:48 strk</span>
<a name="l00099"></a>00099 <span class="comment"> * geos::geom namespace definition, first pass at headers split</span>
<a name="l00100"></a>00100 <span class="comment"> *</span>
<a name="l00101"></a>00101 <span class="comment"> **********************************************************************/</span>
<a name="l00102"></a>00102
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