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<h1>SegmentNodeList.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: SegmentNodeList.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 <span class="comment"> * Last port: noding/SegmentNodeList.java rev. 1.8 (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_NODING_SEGMENTNODELIST_H</span>
<a name="l00021"></a>00021 <span class="preprocessor"></span><span class="preprocessor">#define GEOS_NODING_SEGMENTNODELIST_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
<a name="l00025"></a>00025 <span class="preprocessor">#include <geos/inline.h></span>
<a name="l00026"></a>00026
<a name="l00027"></a>00027 <span class="preprocessor">#include <cassert></span>
<a name="l00028"></a>00028 <span class="preprocessor">#include <iostream></span>
<a name="l00029"></a>00029 <span class="preprocessor">#include <vector></span>
<a name="l00030"></a>00030 <span class="preprocessor">#include <set></span>
<a name="l00031"></a>00031
<a name="l00032"></a>00032 <span class="preprocessor">#include <geos/noding/SegmentNode.h></span> <span class="comment">// for composition</span>
<a name="l00033"></a>00033
<a name="l00034"></a>00034 <span class="comment">// Forward declarations</span>
<a name="l00035"></a>00035 <span class="keyword">namespace </span>geos {
<a name="l00036"></a>00036 <span class="keyword">namespace </span>geom {
<a name="l00037"></a>00037 <span class="keyword">class </span>CoordinateSequence;
<a name="l00038"></a>00038 }
<a name="l00039"></a>00039 <span class="keyword">namespace </span>noding {
<a name="l00040"></a>00040 <span class="keyword">class </span>SegmentString;
<a name="l00041"></a>00041 <span class="keyword">class </span>NodedSegmentString;
<a name="l00042"></a>00042 }
<a name="l00043"></a>00043 }
<a name="l00044"></a>00044
<a name="l00045"></a>00045 <span class="keyword">namespace </span>geos {
<a name="l00046"></a>00046 <span class="keyword">namespace </span>noding { <span class="comment">// geos::noding</span>
<a name="l00047"></a>00047
<a name="l00052"></a><a class="code" href="classgeos_1_1noding_1_1SegmentNodeList.html">00052</a> <span class="keyword">class </span>GEOS_DLL <a class="code" href="classgeos_1_1noding_1_1SegmentNodeList.html" title="A list of the SegmentNode present along a NodedSegmentString.">SegmentNodeList</a> {
<a name="l00053"></a>00053 <span class="keyword">private</span>:
<a name="l00054"></a>00054 std::set<SegmentNode*,SegmentNodeLT> nodeMap;
<a name="l00055"></a>00055
<a name="l00056"></a>00056 <span class="comment">// the parent edge</span>
<a name="l00057"></a>00057 <span class="keyword">const</span> <a class="code" href="classgeos_1_1noding_1_1NodedSegmentString.html" title="Represents a list of contiguous line segments, and supports noding the segments.">NodedSegmentString</a>& edge;
<a name="l00058"></a>00058
<a name="l00059"></a>00059 <span class="comment">// This vector is here to keep track of created splitEdges</span>
<a name="l00060"></a>00060 std::vector<SegmentString*> splitEdges;
<a name="l00061"></a>00061
<a name="l00062"></a>00062 <span class="comment">// This vector is here to keep track of created Coordinates</span>
<a name="l00063"></a>00063 std::vector<geom::CoordinateSequence*> splitCoordLists;
<a name="l00064"></a>00064
<a name="l00071"></a>00071 <span class="keywordtype">void</span> checkSplitEdgesCorrectness(std::vector<SegmentString*>& splitEdges);
<a name="l00072"></a>00072
<a name="l00079"></a>00079 <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>* createSplitEdge(<a class="code" href="classgeos_1_1noding_1_1SegmentNode.html" title="Represents an intersection point between two NodedSegmentString.">SegmentNode</a> *ei0, <a class="code" href="classgeos_1_1noding_1_1SegmentNode.html" title="Represents an intersection point between two NodedSegmentString.">SegmentNode</a> *ei1);
<a name="l00080"></a>00080
<a name="l00089"></a>00089 <span class="keywordtype">void</span> addCollapsedNodes();
<a name="l00090"></a>00090
<a name="l00095"></a>00095 <span class="keywordtype">void</span> findCollapsesFromExistingVertices(
<a name="l00096"></a>00096 std::vector<size_t>& collapsedVertexIndexes);
<a name="l00097"></a>00097
<a name="l00105"></a>00105 <span class="keywordtype">void</span> findCollapsesFromInsertedNodes(
<a name="l00106"></a>00106 std::vector<size_t>& collapsedVertexIndexes);
<a name="l00107"></a>00107
<a name="l00108"></a>00108 <span class="keywordtype">bool</span> findCollapseIndex(<a class="code" href="classgeos_1_1noding_1_1SegmentNode.html" title="Represents an intersection point between two NodedSegmentString.">SegmentNode</a>& ei0, <a class="code" href="classgeos_1_1noding_1_1SegmentNode.html" title="Represents an intersection point between two NodedSegmentString.">SegmentNode</a>& ei1,
<a name="l00109"></a>00109 <span class="keywordtype">size_t</span>& collapsedVertexIndex);
<a name="l00110"></a>00110
<a name="l00111"></a>00111 <span class="comment">// Declare type as noncopyable</span>
<a name="l00112"></a>00112 <a class="code" href="classgeos_1_1noding_1_1SegmentNodeList.html" title="A list of the SegmentNode present along a NodedSegmentString.">SegmentNodeList</a>(<span class="keyword">const</span> <a class="code" href="classgeos_1_1noding_1_1SegmentNodeList.html" title="A list of the SegmentNode present along a NodedSegmentString.">SegmentNodeList</a>& other);
<a name="l00113"></a>00113 <a class="code" href="classgeos_1_1noding_1_1SegmentNodeList.html" title="A list of the SegmentNode present along a NodedSegmentString.">SegmentNodeList</a>& operator=(<span class="keyword">const</span> <a class="code" href="classgeos_1_1noding_1_1SegmentNodeList.html" title="A list of the SegmentNode present along a NodedSegmentString.">SegmentNodeList</a>& rhs);
<a name="l00114"></a>00114
<a name="l00115"></a>00115 <span class="keyword">public</span>:
<a name="l00116"></a>00116
<a name="l00117"></a>00117 <span class="keyword">friend</span> std::ostream& operator<< (std::ostream& os, <span class="keyword">const</span> <a class="code" href="classgeos_1_1noding_1_1SegmentNodeList.html" title="A list of the SegmentNode present along a NodedSegmentString.">SegmentNodeList</a>& l);
<a name="l00118"></a>00118
<a name="l00119"></a>00119 <span class="keyword">typedef</span> std::set<SegmentNode*,SegmentNodeLT> container;
<a name="l00120"></a>00120 <span class="keyword">typedef</span> container::iterator iterator;
<a name="l00121"></a>00121 <span class="keyword">typedef</span> container::const_iterator const_iterator;
<a name="l00122"></a>00122
<a name="l00123"></a>00123 <a class="code" href="classgeos_1_1noding_1_1SegmentNodeList.html" title="A list of the SegmentNode present along a NodedSegmentString.">SegmentNodeList</a>(<span class="keyword">const</span> <a class="code" href="classgeos_1_1noding_1_1NodedSegmentString.html" title="Represents a list of contiguous line segments, and supports noding the segments.">NodedSegmentString</a>* newEdge): edge(*newEdge) {}
<a name="l00124"></a>00124
<a name="l00125"></a>00125 <a class="code" href="classgeos_1_1noding_1_1SegmentNodeList.html" title="A list of the SegmentNode present along a NodedSegmentString.">SegmentNodeList</a>(<span class="keyword">const</span> <a class="code" href="classgeos_1_1noding_1_1NodedSegmentString.html" title="Represents a list of contiguous line segments, and supports noding the segments.">NodedSegmentString</a>& newEdge): edge(newEdge) {}
<a name="l00126"></a>00126
<a name="l00127"></a>00127 <span class="keyword">const</span> <a class="code" href="classgeos_1_1noding_1_1NodedSegmentString.html" title="Represents a list of contiguous line segments, and supports noding the segments.">NodedSegmentString</a>& getEdge()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> edge; }
<a name="l00128"></a>00128
<a name="l00129"></a>00129 <span class="comment">// TODO: Is this a final class ?</span>
<a name="l00130"></a>00130 <span class="comment">// Should remove the virtual in that case</span>
<a name="l00131"></a>00131 <span class="keyword">virtual</span> ~<a class="code" href="classgeos_1_1noding_1_1SegmentNodeList.html" title="A list of the SegmentNode present along a NodedSegmentString.">SegmentNodeList</a>();
<a name="l00132"></a>00132
<a name="l00143"></a>00143 <a class="code" href="classgeos_1_1noding_1_1SegmentNode.html" title="Represents an intersection point between two NodedSegmentString.">SegmentNode</a>* add(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html" title="Coordinate is the lightweight class used to store coordinates.">geom::Coordinate</a>& intPt, <span class="keywordtype">size_t</span> segmentIndex);
<a name="l00144"></a>00144
<a name="l00145"></a>00145 <a class="code" href="classgeos_1_1noding_1_1SegmentNode.html" title="Represents an intersection point between two NodedSegmentString.">SegmentNode</a>* add(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html" title="Coordinate is the lightweight class used to store coordinates.">geom::Coordinate</a> *intPt, <span class="keywordtype">size_t</span> segmentIndex) {
<a name="l00146"></a>00146 <span class="keywordflow">return</span> add(*intPt, segmentIndex);
<a name="l00147"></a>00147 }
<a name="l00148"></a>00148
<a name="l00149"></a>00149 <span class="comment">/*</span>
<a name="l00150"></a>00150 <span class="comment"> * returns the set of SegmentNodes</span>
<a name="l00151"></a>00151 <span class="comment"> */</span>
<a name="l00152"></a>00152 <span class="comment">//replaces iterator()</span>
<a name="l00153"></a>00153 <span class="comment">// TODO: obsolete this function</span>
<a name="l00154"></a>00154 std::set<SegmentNode*,SegmentNodeLT>* getNodes() { <span class="keywordflow">return</span> &nodeMap; }
<a name="l00155"></a>00155
<a name="l00157"></a><a class="code" href="classgeos_1_1noding_1_1SegmentNodeList.html#a6a8db669ae0980d3b9499bb9981639ca">00157</a> <span class="keywordtype">size_t</span> <a class="code" href="classgeos_1_1noding_1_1SegmentNodeList.html#a6a8db669ae0980d3b9499bb9981639ca" title="Return the number of nodes in this list.">size</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> nodeMap.size(); }
<a name="l00158"></a>00158
<a name="l00159"></a>00159 container::iterator begin() { <span class="keywordflow">return</span> nodeMap.begin(); }
<a name="l00160"></a>00160 container::const_iterator begin()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> nodeMap.begin(); }
<a name="l00161"></a>00161 container::iterator end() { <span class="keywordflow">return</span> nodeMap.end(); }
<a name="l00162"></a>00162 container::const_iterator end()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> nodeMap.end(); }
<a name="l00163"></a>00163
<a name="l00167"></a>00167 <span class="keywordtype">void</span> addEndpoints();
<a name="l00168"></a>00168
<a name="l00175"></a>00175 <span class="keywordtype">void</span> addSplitEdges(std::vector<SegmentString*>& edgeList);
<a name="l00176"></a>00176
<a name="l00177"></a>00177 <span class="keywordtype">void</span> addSplitEdges(std::vector<SegmentString*>* edgeList) {
<a name="l00178"></a>00178 assert(edgeList);
<a name="l00179"></a>00179 addSplitEdges(*edgeList);
<a name="l00180"></a>00180 }
<a name="l00181"></a>00181
<a name="l00182"></a>00182 <span class="comment">//string print();</span>
<a name="l00183"></a>00183 };
<a name="l00184"></a>00184
<a name="l00185"></a>00185 std::ostream& operator<< (std::ostream& os, <span class="keyword">const</span> SegmentNodeList& l);
<a name="l00186"></a>00186
<a name="l00187"></a>00187 } <span class="comment">// namespace geos::noding</span>
<a name="l00188"></a>00188 } <span class="comment">// namespace geos</span>
<a name="l00189"></a>00189
<a name="l00190"></a>00190 <span class="comment">//#ifdef GEOS_INLINE</span>
<a name="l00191"></a>00191 <span class="comment">//# include "geos/noding/SegmentNodeList.inl"</span>
<a name="l00192"></a>00192 <span class="comment">//#endif</span>
<a name="l00193"></a>00193
<a name="l00194"></a>00194 <span class="preprocessor">#endif</span>
<a name="l00195"></a>00195 <span class="preprocessor"></span>
<a name="l00196"></a>00196 <span class="comment">/**********************************************************************</span>
<a name="l00197"></a>00197 <span class="comment"> * $Log$</span>
<a name="l00198"></a>00198 <span class="comment"> * Revision 1.4 2006/06/12 11:29:23 strk</span>
<a name="l00199"></a>00199 <span class="comment"> * unsigned int => size_t</span>
<a name="l00200"></a>00200 <span class="comment"> *</span>
<a name="l00201"></a>00201 <span class="comment"> * Revision 1.3 2006/05/04 07:41:56 strk</span>
<a name="l00202"></a>00202 <span class="comment"> * const-correct size() method for SegmentNodeList</span>
<a name="l00203"></a>00203 <span class="comment"> *</span>
<a name="l00204"></a>00204 <span class="comment"> * Revision 1.2 2006/03/24 09:52:41 strk</span>
<a name="l00205"></a>00205 <span class="comment"> * USE_INLINE => GEOS_INLINE</span>
<a name="l00206"></a>00206 <span class="comment"> *</span>
<a name="l00207"></a>00207 <span class="comment"> * Revision 1.1 2006/03/09 16:46:49 strk</span>
<a name="l00208"></a>00208 <span class="comment"> * geos::geom namespace definition, first pass at headers split</span>
<a name="l00209"></a>00209 <span class="comment"> *</span>
<a name="l00210"></a>00210 <span class="comment"> **********************************************************************/</span>
<a name="l00211"></a>00211
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