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<h1>BufferBuilder.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: BufferBuilder.h 2779 2009-12-03 19:45:53Z 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) 2009 Sandro Santilli <strk@keybit.net></span>
<a name="l00008"></a>00008 <span class="comment"> * Copyright (C) 2006-2007 Refractions Research 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 <span class="comment"> *</span>
<a name="l00017"></a>00017 <span class="comment"> * Last port: operation/buffer/BufferBuilder.java rev. 1.30 (JTS-1.10)</span>
<a name="l00018"></a>00018 <span class="comment"> *</span>
<a name="l00019"></a>00019 <span class="comment"> **********************************************************************/</span>
<a name="l00020"></a>00020
<a name="l00021"></a>00021 <span class="preprocessor">#ifndef GEOS_OP_BUFFER_BUFFERBUILDER_H</span>
<a name="l00022"></a>00022 <span class="preprocessor"></span><span class="preprocessor">#define GEOS_OP_BUFFER_BUFFERBUILDER_H</span>
<a name="l00023"></a>00023 <span class="preprocessor"></span>
<a name="l00024"></a>00024 <span class="preprocessor">#include <geos/export.h></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="preprocessor">#include <geos/operation/buffer/BufferOp.h></span> <span class="comment">// for inlines (BufferOp enums)</span>
<a name="l00029"></a>00029 <span class="preprocessor">#include <geos/operation/buffer/OffsetCurveBuilder.h></span> <span class="comment">// for inline (OffsetCurveBuilder enums)</span>
<a name="l00030"></a>00030 <span class="preprocessor">#include <geos/geomgraph/EdgeList.h></span> <span class="comment">// for composition</span>
<a name="l00031"></a>00031
<a name="l00032"></a>00032 <span class="comment">// Forward declarations</span>
<a name="l00033"></a>00033 <span class="keyword">namespace </span>geos {
<a name="l00034"></a>00034 <span class="keyword">namespace </span>geom {
<a name="l00035"></a>00035 <span class="keyword">class </span>PrecisionModel;
<a name="l00036"></a>00036 <span class="keyword">class </span>Geometry;
<a name="l00037"></a>00037 <span class="keyword">class </span>GeometryFactory;
<a name="l00038"></a>00038 }
<a name="l00039"></a>00039 <span class="keyword">namespace </span>algorithm {
<a name="l00040"></a>00040 <span class="keyword">class </span>CGAlgorithms;
<a name="l00041"></a>00041 <span class="keyword">class </span>LineIntersector;
<a name="l00042"></a>00042 }
<a name="l00043"></a>00043 <span class="keyword">namespace </span>noding {
<a name="l00044"></a>00044 <span class="keyword">class </span>Noder;
<a name="l00045"></a>00045 <span class="keyword">class </span>SegmentString;
<a name="l00046"></a>00046 <span class="keyword">class </span>IntersectionAdder;
<a name="l00047"></a>00047 }
<a name="l00048"></a>00048 <span class="keyword">namespace </span>geomgraph {
<a name="l00049"></a>00049 <span class="keyword">class </span>Edge;
<a name="l00050"></a>00050 <span class="keyword">class </span>Label;
<a name="l00051"></a>00051 <span class="keyword">class </span>PlanarGraph;
<a name="l00052"></a>00052 }
<a name="l00053"></a>00053 <span class="keyword">namespace </span>operation {
<a name="l00054"></a>00054 <span class="keyword">namespace </span>buffer {
<a name="l00055"></a>00055 <span class="keyword">class </span>BufferSubgraph;
<a name="l00056"></a>00056 }
<a name="l00057"></a><a class="code" href="namespacegeos_1_1operation_1_1overlay.html">00057</a> <span class="keyword">namespace </span>overlay {
<a name="l00058"></a>00058 <span class="keyword">class </span><a class="code" href="classgeos_1_1operation_1_1overlay_1_1PolygonBuilder.html" title="Forms Polygon out of a graph of geomgraph::DirectedEdge.">PolygonBuilder</a>;
<a name="l00059"></a>00059 }
<a name="l00060"></a>00060 }
<a name="l00061"></a>00061 }
<a name="l00062"></a>00062
<a name="l00063"></a>00063 <span class="keyword">namespace </span>geos {
<a name="l00064"></a>00064 <span class="keyword">namespace </span>operation { <span class="comment">// geos.operation</span>
<a name="l00065"></a>00065 <span class="keyword">namespace </span>buffer { <span class="comment">// geos.operation.buffer</span>
<a name="l00066"></a>00066
<a name="l00084"></a><a class="code" href="classgeos_1_1operation_1_1buffer_1_1BufferBuilder.html">00084</a> <span class="keyword">class </span>GEOS_DLL <a class="code" href="classgeos_1_1operation_1_1buffer_1_1BufferBuilder.html" title="Builds the buffer geometry for a given input geometry and precision model.">BufferBuilder</a> {
<a name="l00085"></a>00085
<a name="l00086"></a>00086 <span class="keyword">public</span>:
<a name="l00096"></a><a class="code" href="classgeos_1_1operation_1_1buffer_1_1BufferBuilder.html#a1cf94a4a5f9fbea4f7e8536715818748">00096</a> <a class="code" href="classgeos_1_1operation_1_1buffer_1_1BufferBuilder.html" title="Builds the buffer geometry for a given input geometry and precision model.">BufferBuilder</a>(<span class="keyword">const</span> <a class="code" href="classgeos_1_1operation_1_1buffer_1_1BufferParameters.html" title="Contains the parameters which describe how a buffer should be constructed.">BufferParameters</a>& nBufParams)
<a name="l00097"></a>00097 :
<a name="l00098"></a>00098 bufParams(nBufParams),
<a name="l00099"></a>00099 workingPrecisionModel(NULL),
<a name="l00100"></a>00100 li(NULL),
<a name="l00101"></a>00101 intersectionAdder(NULL),
<a name="l00102"></a>00102 workingNoder(NULL),
<a name="l00103"></a>00103 geomFact(NULL),
<a name="l00104"></a>00104 edgeList()
<a name="l00105"></a>00105 {}
<a name="l00106"></a>00106
<a name="l00107"></a>00107 ~<a class="code" href="classgeos_1_1operation_1_1buffer_1_1BufferBuilder.html" title="Builds the buffer geometry for a given input geometry and precision model.">BufferBuilder</a>();
<a name="l00108"></a>00108
<a name="l00109"></a>00109
<a name="l00120"></a><a class="code" href="classgeos_1_1operation_1_1buffer_1_1BufferBuilder.html#a8d3a4a70193f95b181d5e8d51c8d10f2">00120</a> <span class="keywordtype">void</span> <a class="code" href="classgeos_1_1operation_1_1buffer_1_1BufferBuilder.html#a8d3a4a70193f95b181d5e8d51c8d10f2">setWorkingPrecisionModel</a>(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1PrecisionModel.html" title="Specifies the precision model of the Coordinate in a Geometry.">geom::PrecisionModel</a> *pm) {
<a name="l00121"></a>00121 workingPrecisionModel=pm;
<a name="l00122"></a>00122 }
<a name="l00123"></a>00123
<a name="l00131"></a><a class="code" href="classgeos_1_1operation_1_1buffer_1_1BufferBuilder.html#a65ecd460185da1dcf1248b2471c33bca">00131</a> <span class="keywordtype">void</span> <a class="code" href="classgeos_1_1operation_1_1buffer_1_1BufferBuilder.html#a65ecd460185da1dcf1248b2471c33bca">setNoder</a>(<a class="code" href="classgeos_1_1noding_1_1Noder.html" title="Computes all intersections between segments in a set of SegmentString.">noding::Noder</a>* newNoder) { workingNoder = newNoder; }
<a name="l00132"></a>00132
<a name="l00133"></a>00133 <a class="code" href="classgeos_1_1geom_1_1Geometry.html" title="Basic implementation of Geometry, constructed and destructed by GeometryFactory.">geom::Geometry</a>* buffer(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html" title="Basic implementation of Geometry, constructed and destructed by GeometryFactory.">geom::Geometry</a> *g, <span class="keywordtype">double</span> distance);
<a name="l00134"></a>00134 <span class="comment">// throw (GEOSException);</span>
<a name="l00135"></a>00135
<a name="l00137"></a>00137 <a class="code" href="classgeos_1_1geom_1_1Geometry.html" title="Basic implementation of Geometry, constructed and destructed by GeometryFactory.">geom::Geometry</a>* bufferLineSingleSided( <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Geometry.html" title="Basic implementation of Geometry, constructed and destructed by GeometryFactory.">geom::Geometry</a>* g,
<a name="l00138"></a>00138 <span class="keywordtype">double</span> distance, <span class="keywordtype">bool</span> leftSide ) ;
<a name="l00139"></a>00139 <span class="comment">// throw (GEOSException);</span>
<a name="l00140"></a>00140
<a name="l00141"></a>00141 <span class="keyword">private</span>:
<a name="l00145"></a>00145 <span class="keyword">static</span> <span class="keywordtype">int</span> depthDelta(<a class="code" href="classgeos_1_1geomgraph_1_1Label.html" title="A Label indicates the topological relationship of a component of a topology graph to a given Geometry...">geomgraph::Label</a> *label);
<a name="l00146"></a>00146
<a name="l00147"></a>00147 <span class="keyword">const</span> <a class="code" href="classgeos_1_1operation_1_1buffer_1_1BufferParameters.html" title="Contains the parameters which describe how a buffer should be constructed.">BufferParameters</a>& bufParams;
<a name="l00148"></a>00148
<a name="l00149"></a>00149 <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1PrecisionModel.html" title="Specifies the precision model of the Coordinate in a Geometry.">geom::PrecisionModel</a>* workingPrecisionModel;
<a name="l00150"></a>00150
<a name="l00151"></a>00151 <a class="code" href="classgeos_1_1algorithm_1_1LineIntersector.html" title="A LineIntersector is an algorithm that can both test whether two line segments intersect and compute ...">algorithm::LineIntersector</a>* li;
<a name="l00152"></a>00152
<a name="l00153"></a>00153 <a class="code" href="classgeos_1_1noding_1_1IntersectionAdder.html">noding::IntersectionAdder</a>* intersectionAdder;
<a name="l00154"></a>00154
<a name="l00155"></a>00155 <a class="code" href="classgeos_1_1noding_1_1Noder.html" title="Computes all intersections between segments in a set of SegmentString.">noding::Noder</a>* workingNoder;
<a name="l00156"></a>00156
<a name="l00157"></a>00157 <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1GeometryFactory.html" title="Supplies a set of utility methods for building Geometry objects from CoordinateSequence or other Geom...">geom::GeometryFactory</a>* geomFact;
<a name="l00158"></a>00158
<a name="l00159"></a>00159 <a class="code" href="classgeos_1_1geomgraph_1_1EdgeList.html">geomgraph::EdgeList</a> edgeList;
<a name="l00160"></a>00160
<a name="l00161"></a>00161 std::vector<geomgraph::Label *> newLabels;
<a name="l00162"></a>00162
<a name="l00163"></a>00163 <span class="keywordtype">void</span> computeNodedEdges(std::vector<noding::SegmentString*>& bufSegStr,
<a name="l00164"></a>00164 <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1PrecisionModel.html" title="Specifies the precision model of the Coordinate in a Geometry.">geom::PrecisionModel</a> *precisionModel);
<a name="l00165"></a>00165 <span class="comment">// throw(GEOSException);</span>
<a name="l00166"></a>00166
<a name="l00176"></a>00176 <span class="keywordtype">void</span> insertUniqueEdge(geomgraph::Edge *e);
<a name="l00177"></a>00177
<a name="l00178"></a>00178 <span class="keywordtype">void</span> createSubgraphs(<a class="code" href="classgeos_1_1geomgraph_1_1PlanarGraph.html" title="Represents a directed graph which is embeddable in a planar surface.">geomgraph::PlanarGraph</a> *graph,
<a name="l00179"></a>00179 std::vector<BufferSubgraph*>& list);
<a name="l00180"></a>00180
<a name="l00191"></a>00191 <span class="keywordtype">void</span> buildSubgraphs(<span class="keyword">const</span> std::vector<BufferSubgraph*>& subgraphList,
<a name="l00192"></a>00192 <a class="code" href="classgeos_1_1operation_1_1overlay_1_1PolygonBuilder.html" title="Forms Polygon out of a graph of geomgraph::DirectedEdge.">overlay::PolygonBuilder</a>& polyBuilder);
<a name="l00193"></a>00193
<a name="l00197"></a>00197 <span class="comment">//</span>
<a name="l00202"></a>00202 <span class="comment"></span> <a class="code" href="classgeos_1_1noding_1_1Noder.html" title="Computes all intersections between segments in a set of SegmentString.">noding::Noder</a>* getNoder(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1PrecisionModel.html" title="Specifies the precision model of the Coordinate in a Geometry.">geom::PrecisionModel</a>* precisionModel);
<a name="l00203"></a>00203
<a name="l00204"></a>00204
<a name="l00212"></a>00212 <a class="code" href="classgeos_1_1geom_1_1Geometry.html" title="Basic implementation of Geometry, constructed and destructed by GeometryFactory.">geom::Geometry</a>* createEmptyResultGeometry() <span class="keyword">const</span>;
<a name="l00213"></a>00213
<a name="l00214"></a>00214 <span class="comment">// Declare type as noncopyable</span>
<a name="l00215"></a>00215 <a class="code" href="classgeos_1_1operation_1_1buffer_1_1BufferBuilder.html" title="Builds the buffer geometry for a given input geometry and precision model.">BufferBuilder</a>(<span class="keyword">const</span> <a class="code" href="classgeos_1_1operation_1_1buffer_1_1BufferBuilder.html" title="Builds the buffer geometry for a given input geometry and precision model.">BufferBuilder</a>& other);
<a name="l00216"></a>00216 <a class="code" href="classgeos_1_1operation_1_1buffer_1_1BufferBuilder.html" title="Builds the buffer geometry for a given input geometry and precision model.">BufferBuilder</a>& operator=(<span class="keyword">const</span> <a class="code" href="classgeos_1_1operation_1_1buffer_1_1BufferBuilder.html" title="Builds the buffer geometry for a given input geometry and precision model.">BufferBuilder</a>& rhs);
<a name="l00217"></a>00217 };
<a name="l00218"></a>00218
<a name="l00219"></a>00219 } <span class="comment">// namespace geos::operation::buffer</span>
<a name="l00220"></a>00220 } <span class="comment">// namespace geos::operation</span>
<a name="l00221"></a>00221 } <span class="comment">// namespace geos</span>
<a name="l00222"></a>00222
<a name="l00223"></a>00223 <span class="preprocessor">#endif // ndef GEOS_OP_BUFFER_BUFFERBUILDER_H</span>
<a name="l00224"></a>00224 <span class="preprocessor"></span>
<a name="l00225"></a>00225 <span class="comment">/**********************************************************************</span>
<a name="l00226"></a>00226 <span class="comment"> * $Log$</span>
<a name="l00227"></a>00227 <span class="comment"> * Revision 1.2 2006/03/14 16:08:21 strk</span>
<a name="l00228"></a>00228 <span class="comment"> * changed buildSubgraphs signature to use refs rather then pointers, made it const-correct. Reduced heap allocations in createSubgraphs()</span>
<a name="l00229"></a>00229 <span class="comment"> *</span>
<a name="l00230"></a>00230 <span class="comment"> * Revision 1.1 2006/03/14 00:19:40 strk</span>
<a name="l00231"></a>00231 <span class="comment"> * opBuffer.h split, streamlined headers in some (not all) files in operation/buffer/</span>
<a name="l00232"></a>00232 <span class="comment"> *</span>
<a name="l00233"></a>00233 <span class="comment"> **********************************************************************/</span>
<a name="l00234"></a>00234
</pre></div></div>
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