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<h1>MCIndexSegmentSetMutualIntersector.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: MCIndexSegmentSetMutualIntersector.h 2778 2009-12-03 19:44:00Z 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) 2006 Refractions Research 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
<a name="l00017"></a>00017 <span class="preprocessor">#ifndef GEOS_NODING_MCINDEXSEGMENTSETMUTUALINTERSECTOR_H</span>
<a name="l00018"></a>00018 <span class="preprocessor"></span><span class="preprocessor">#define GEOS_NODING_MCINDEXSEGMENTSETMUTUALINTERSECTOR_H</span>
<a name="l00019"></a>00019 <span class="preprocessor"></span>
<a name="l00020"></a>00020 <span class="preprocessor">#include <geos/noding/SegmentSetMutualIntersector.h></span> <span class="comment">// inherited</span>
<a name="l00021"></a>00021 <span class="preprocessor">#include <geos/index/chain/MonotoneChainOverlapAction.h></span> <span class="comment">// inherited</span>
<a name="l00022"></a>00022
<a name="l00023"></a>00023 <span class="keyword">namespace </span>geos {
<a name="l00024"></a>00024 <span class="keyword">namespace </span>index {
<a name="l00025"></a>00025 <span class="keyword">class </span>SpatialIndex;
<a name="l00026"></a>00026
<a name="l00027"></a>00027 <span class="keyword">namespace </span>chain {
<a name="l00028"></a>00028 <span class="keyword">class </span>MonotoneChain;
<a name="l00029"></a>00029 }
<a name="l00030"></a>00030 <span class="keyword">namespace </span>strtree {
<a name="l00031"></a>00031 <span class="comment">//class STRtree;</span>
<a name="l00032"></a>00032 }
<a name="l00033"></a>00033 }
<a name="l00034"></a>00034 <span class="keyword">namespace </span>noding {
<a name="l00035"></a>00035 <span class="keyword">class </span>SegmentString;
<a name="l00036"></a>00036 <span class="keyword">class </span>SegmentIntersector;
<a name="l00037"></a>00037 }
<a name="l00038"></a>00038 }
<a name="l00039"></a>00039
<a name="l00040"></a>00040 <span class="comment">//using namespace geos::index::strtree;</span>
<a name="l00041"></a>00041
<a name="l00042"></a>00042 <span class="keyword">namespace </span>geos {
<a name="l00043"></a>00043 <span class="keyword">namespace </span>noding { <span class="comment">// geos::noding</span>
<a name="l00044"></a>00044
<a name="l00051"></a><a class="code" href="classgeos_1_1noding_1_1MCIndexSegmentSetMutualIntersector.html">00051</a> <span class="keyword">class </span><a class="code" href="classgeos_1_1noding_1_1MCIndexSegmentSetMutualIntersector.html" title="Intersects two sets of SegmentStrings using a index based on MonotoneChains and a SpatialIndex...">MCIndexSegmentSetMutualIntersector</a> : <span class="keyword">public</span> <a class="code" href="classgeos_1_1noding_1_1SegmentSetMutualIntersector.html" title="An intersector for the red-blue intersection problem.">SegmentSetMutualIntersector</a>
<a name="l00052"></a>00052 {
<a name="l00053"></a>00053 <span class="keyword">public</span>:
<a name="l00054"></a>00054
<a name="l00055"></a>00055 <a class="code" href="classgeos_1_1noding_1_1MCIndexSegmentSetMutualIntersector.html" title="Intersects two sets of SegmentStrings using a index based on MonotoneChains and a SpatialIndex...">MCIndexSegmentSetMutualIntersector</a>();
<a name="l00056"></a>00056
<a name="l00057"></a>00057 ~<a class="code" href="classgeos_1_1noding_1_1MCIndexSegmentSetMutualIntersector.html" title="Intersects two sets of SegmentStrings using a index based on MonotoneChains and a SpatialIndex...">MCIndexSegmentSetMutualIntersector</a>();
<a name="l00058"></a>00058
<a name="l00059"></a>00059 std::vector<index::chain::MonotoneChain *>& getMonotoneChains()
<a name="l00060"></a>00060 {
<a name="l00061"></a>00061 <span class="keywordflow">return</span> monoChains;
<a name="l00062"></a>00062 }
<a name="l00063"></a>00063
<a name="l00064"></a>00064 <a class="code" href="classgeos_1_1index_1_1SpatialIndex.html" title="Abstract class defines basic insertion and query operations supported by classes implementing spatial...">index::SpatialIndex</a>* getIndex()
<a name="l00065"></a>00065 {
<a name="l00066"></a>00066 <span class="keywordflow">return</span> index;
<a name="l00067"></a>00067 }
<a name="l00068"></a>00068
<a name="l00069"></a>00069 <span class="keywordtype">void</span> <a class="code" href="classgeos_1_1noding_1_1MCIndexSegmentSetMutualIntersector.html#a660e626fb079397933d74ebbb5f5cb30">setBaseSegments</a>(SegmentString::ConstVect* segStrings);
<a name="l00070"></a>00070
<a name="l00071"></a>00071 <span class="keywordtype">void</span> <a class="code" href="classgeos_1_1noding_1_1MCIndexSegmentSetMutualIntersector.html#a519a9eeca1aeaf768759d828e52f2f97">process</a>(SegmentString::ConstVect* segStrings);
<a name="l00072"></a>00072
<a name="l00073"></a>00073 <span class="keyword">class </span>SegmentOverlapAction : <span class="keyword">public</span> index::chain::MonotoneChainOverlapAction
<a name="l00074"></a>00074 {
<a name="l00075"></a>00075 <span class="keyword">private</span>:
<a name="l00076"></a>00076 <a class="code" href="classgeos_1_1noding_1_1SegmentIntersector.html" title="Processes possible intersections detected by a Noder.">SegmentIntersector</a> & si;
<a name="l00077"></a>00077
<a name="l00078"></a>00078 <span class="comment">// Declare type as noncopyable</span>
<a name="l00079"></a>00079 SegmentOverlapAction(<span class="keyword">const</span> SegmentOverlapAction& other);
<a name="l00080"></a>00080 SegmentOverlapAction& operator=(<span class="keyword">const</span> SegmentOverlapAction& rhs);
<a name="l00081"></a>00081
<a name="l00082"></a>00082 <span class="keyword">public</span>:
<a name="l00083"></a>00083 SegmentOverlapAction(<a class="code" href="classgeos_1_1noding_1_1SegmentIntersector.html" title="Processes possible intersections detected by a Noder.">SegmentIntersector</a> & si) :
<a name="l00084"></a>00084 <a class="code" href="classgeos_1_1index_1_1chain_1_1MonotoneChainOverlapAction.html">index::chain::MonotoneChainOverlapAction</a>(), si(si)
<a name="l00085"></a>00085 {}
<a name="l00086"></a>00086
<a name="l00087"></a>00087 <span class="keywordtype">void</span> overlap(<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...">index::chain::MonotoneChain</a>& mc1, <span class="keywordtype">size_t</span> start1,
<a name="l00088"></a>00088 <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...">index::chain::MonotoneChain</a>& mc2, <span class="keywordtype">size_t</span> start2);
<a name="l00089"></a>00089 };
<a name="l00090"></a>00090
<a name="l00091"></a>00091 <span class="keyword">private</span>:
<a name="l00092"></a>00092
<a name="l00093"></a>00093 <span class="keyword">typedef</span> std::vector<index::chain::MonotoneChain *> MonoChains;
<a name="l00094"></a>00094 MonoChains monoChains;
<a name="l00095"></a>00095
<a name="l00096"></a>00096 <span class="comment">/*</span>
<a name="l00097"></a>00097 <span class="comment"> * The {@link SpatialIndex} used should be something that supports</span>
<a name="l00098"></a>00098 <span class="comment"> * envelope (range) queries efficiently (such as a {@link Quadtree}</span>
<a name="l00099"></a>00099 <span class="comment"> * or {@link STRtree}.</span>
<a name="l00100"></a>00100 <span class="comment"> */</span>
<a name="l00101"></a>00101 <a class="code" href="classgeos_1_1index_1_1SpatialIndex.html" title="Abstract class defines basic insertion and query operations supported by classes implementing spatial...">index::SpatialIndex</a> * index;
<a name="l00102"></a>00102 <span class="keywordtype">int</span> indexCounter;
<a name="l00103"></a>00103 <span class="keywordtype">int</span> processCounter;
<a name="l00104"></a>00104 <span class="comment">// statistics</span>
<a name="l00105"></a>00105 <span class="keywordtype">int</span> nOverlaps;
<a name="l00106"></a>00106
<a name="l00107"></a>00107 <span class="comment">// memory management helper</span>
<a name="l00108"></a>00108 <span class="keyword">typedef</span> std::vector<std::vector<index::chain::MonotoneChain*>*> chainstore_mm_type;
<a name="l00109"></a>00109 chainstore_mm_type chainStore;
<a name="l00110"></a>00110
<a name="l00111"></a>00111 <span class="keywordtype">void</span> addToIndex( <a class="code" href="classgeos_1_1noding_1_1SegmentString.html" title="An interface for classes which represent a sequence of contiguous line segments.">SegmentString</a> * segStr);
<a name="l00112"></a>00112
<a name="l00113"></a>00113 <span class="keywordtype">void</span> intersectChains();
<a name="l00114"></a>00114
<a name="l00115"></a>00115 <span class="keywordtype">void</span> addToMonoChains( <a class="code" href="classgeos_1_1noding_1_1SegmentString.html" title="An interface for classes which represent a sequence of contiguous line segments.">SegmentString</a> * segStr);
<a name="l00116"></a>00116
<a name="l00117"></a>00117 };
<a name="l00118"></a>00118
<a name="l00119"></a>00119 } <span class="comment">// namespace geos::noding</span>
<a name="l00120"></a>00120 } <span class="comment">// namespace geos</span>
<a name="l00121"></a>00121
<a name="l00122"></a>00122 <span class="preprocessor">#endif // GEOS_NODING_MCINDEXSEGMENTSETMUTUALINTERSECTOR_H</span>
<a name="l00123"></a>00123 <span class="preprocessor"></span><span class="comment">/**********************************************************************</span>
<a name="l00124"></a>00124 <span class="comment"> * $Log$</span>
<a name="l00125"></a>00125 <span class="comment"> **********************************************************************/</span>
<a name="l00126"></a>00126
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