<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<title>GEOS: PolygonBuilder.h Source File</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<link href="doxygen.css" rel="stylesheet" type="text/css"/>
</head>
<body>
<!-- Generated by Doxygen 1.7.1 -->
<div class="navigation" id="top">
<div class="tabs">
<ul class="tablist">
<li><a href="index.html"><span>Main Page</span></a></li>
<li><a href="pages.html"><span>Related Pages</span></a></li>
<li><a href="namespaces.html"><span>Namespaces</span></a></li>
<li><a href="annotated.html"><span>Classes</span></a></li>
<li class="current"><a href="files.html"><span>Files</span></a></li>
</ul>
</div>
<div class="tabs2">
<ul class="tablist">
<li><a href="files.html"><span>File List</span></a></li>
</ul>
</div>
<div class="header">
<div class="headertitle">
<h1>PolygonBuilder.h</h1> </div>
</div>
<div class="contents">
<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/**********************************************************************</span>
<a name="l00002"></a>00002 <span class="comment"> * $Id: PolygonBuilder.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) 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: operation/overlay/PolygonBuilder.java rev. 1.20 (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_OP_OVERLAY_POLYGONBUILDER_H</span>
<a name="l00021"></a>00021 <span class="preprocessor"></span><span class="preprocessor">#define GEOS_OP_OVERLAY_POLYGONBUILDER_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 <vector></span>
<a name="l00026"></a>00026
<a name="l00027"></a>00027 <span class="comment">// Forward declarations</span>
<a name="l00028"></a>00028 <span class="keyword">namespace </span>geos {
<a name="l00029"></a>00029 <span class="keyword">namespace </span>geom {
<a name="l00030"></a>00030 <span class="keyword">class </span>Geometry;
<a name="l00031"></a>00031 <span class="keyword">class </span>Coordinate;
<a name="l00032"></a>00032 <span class="keyword">class </span>GeometryFactory;
<a name="l00033"></a>00033 }
<a name="l00034"></a>00034 <span class="keyword">namespace </span>geomgraph {
<a name="l00035"></a>00035 <span class="keyword">class </span>EdgeRing;
<a name="l00036"></a>00036 <span class="keyword">class </span>Node;
<a name="l00037"></a>00037 <span class="keyword">class </span>PlanarGraph;
<a name="l00038"></a>00038 <span class="keyword">class </span>DirectedEdge;
<a name="l00039"></a>00039 }
<a name="l00040"></a>00040 <span class="keyword">namespace </span>operation {
<a name="l00041"></a>00041 <span class="keyword">namespace </span>overlay {
<a name="l00042"></a>00042 <span class="keyword">class </span>MaximalEdgeRing;
<a name="l00043"></a>00043 <span class="keyword">class </span>MinimalEdgeRing;
<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>operation { <span class="comment">// geos::operation</span>
<a name="l00050"></a>00050 <span class="keyword">namespace </span>overlay { <span class="comment">// geos::operation::overlay</span>
<a name="l00051"></a>00051
<a name="l00057"></a><a class="code" href="classgeos_1_1operation_1_1overlay_1_1PolygonBuilder.html">00057</a> <span class="keyword">class </span>GEOS_DLL <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="l00058"></a>00058 <span class="keyword">public</span>:
<a name="l00059"></a>00059
<a name="l00060"></a>00060 <a class="code" href="classgeos_1_1operation_1_1overlay_1_1PolygonBuilder.html" title="Forms Polygon out of a graph of geomgraph::DirectedEdge.">PolygonBuilder</a>(<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> *newGeometryFactory);
<a name="l00061"></a>00061
<a name="l00062"></a>00062 ~<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="l00063"></a>00063
<a name="l00069"></a>00069 <span class="keywordtype">void</span> add(<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="l00070"></a>00070 <span class="comment">// throw(const TopologyException &)</span>
<a name="l00071"></a>00071
<a name="l00077"></a>00077 <span class="keywordtype">void</span> add(<span class="keyword">const</span> std::vector<geomgraph::DirectedEdge*> *dirEdges,
<a name="l00078"></a>00078 <span class="keyword">const</span> std::vector<geomgraph::Node*> *nodes);
<a name="l00079"></a>00079 <span class="comment">// throw(const TopologyException &)</span>
<a name="l00080"></a>00080
<a name="l00081"></a>00081 std::vector<geom::Geometry*>* getPolygons();
<a name="l00082"></a>00082
<a name="l00087"></a>00087 <span class="keywordtype">bool</span> containsPoint(<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>& p);
<a name="l00088"></a>00088
<a name="l00089"></a>00089 <span class="keyword">private</span>:
<a name="l00090"></a>00090
<a name="l00091"></a>00091 <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> *geometryFactory;
<a name="l00092"></a>00092
<a name="l00093"></a>00093 std::vector<geomgraph::EdgeRing*> shellList;
<a name="l00094"></a>00094
<a name="l00101"></a>00101 std::vector<MaximalEdgeRing*>* buildMaximalEdgeRings(
<a name="l00102"></a>00102 <span class="keyword">const</span> std::vector<geomgraph::DirectedEdge*> *dirEdges);
<a name="l00103"></a>00103 <span class="comment">// throw(const TopologyException &)</span>
<a name="l00104"></a>00104
<a name="l00105"></a>00105 std::vector<MaximalEdgeRing*>* buildMinimalEdgeRings(
<a name="l00106"></a>00106 std::vector<MaximalEdgeRing*> *maxEdgeRings,
<a name="l00107"></a>00107 std::vector<geomgraph::EdgeRing*> *newShellList,
<a name="l00108"></a>00108 std::vector<geomgraph::EdgeRing*> *freeHoleList);
<a name="l00120"></a>00120 geomgraph::EdgeRing* findShell(std::vector<MinimalEdgeRing*>* minEdgeRings);
<a name="l00121"></a>00121
<a name="l00133"></a>00133 <span class="keywordtype">void</span> placePolygonHoles(geomgraph::EdgeRing *shell,
<a name="l00134"></a>00134 std::vector<MinimalEdgeRing*> *minEdgeRings);
<a name="l00135"></a>00135
<a name="l00143"></a>00143 <span class="keywordtype">void</span> sortShellsAndHoles(std::vector<MaximalEdgeRing*> *edgeRings,
<a name="l00144"></a>00144 std::vector<geomgraph::EdgeRing*> *newShellList,
<a name="l00145"></a>00145 std::vector<geomgraph::EdgeRing*> *freeHoleList);
<a name="l00146"></a>00146
<a name="l00161"></a>00161 <span class="keywordtype">void</span> placeFreeHoles(std::vector<geomgraph::EdgeRing*>& newShellList,
<a name="l00162"></a>00162 std::vector<geomgraph::EdgeRing*>& freeHoleList);
<a name="l00163"></a>00163 <span class="comment">// throw(const TopologyException&)</span>
<a name="l00164"></a>00164
<a name="l00183"></a>00183 geomgraph::EdgeRing* findEdgeRingContaining(geomgraph::EdgeRing *testEr,
<a name="l00184"></a>00184 std::vector<geomgraph::EdgeRing*>& newShellList);
<a name="l00185"></a>00185
<a name="l00186"></a>00186 std::vector<geom::Geometry*>* computePolygons(
<a name="l00187"></a>00187 std::vector<geomgraph::EdgeRing*>& newShellList);
<a name="l00188"></a>00188
<a name="l00194"></a>00194 };
<a name="l00195"></a>00195
<a name="l00196"></a>00196
<a name="l00197"></a>00197
<a name="l00198"></a>00198 } <span class="comment">// namespace geos::operation::overlay</span>
<a name="l00199"></a>00199 } <span class="comment">// namespace geos::operation</span>
<a name="l00200"></a>00200 } <span class="comment">// namespace geos</span>
<a name="l00201"></a>00201
<a name="l00202"></a>00202 <span class="preprocessor">#endif // ndef GEOS_OP_OVERLAY_POLYGONBUILDER_H</span>
<a name="l00203"></a>00203 <span class="preprocessor"></span>
<a name="l00204"></a>00204 <span class="comment">/**********************************************************************</span>
<a name="l00205"></a>00205 <span class="comment"> * $Log$</span>
<a name="l00206"></a>00206 <span class="comment"> * Revision 1.3 2006/06/13 23:26:46 strk</span>
<a name="l00207"></a>00207 <span class="comment"> * cleanups</span>
<a name="l00208"></a>00208 <span class="comment"> *</span>
<a name="l00209"></a>00209 <span class="comment"> * Revision 1.2 2006/03/20 12:33:45 strk</span>
<a name="l00210"></a>00210 <span class="comment"> * Simplified some privat methods to use refs instead of pointers, added</span>
<a name="l00211"></a>00211 <span class="comment"> * debugging section for failiures of holes/shells associations</span>
<a name="l00212"></a>00212 <span class="comment"> *</span>
<a name="l00213"></a>00213 <span class="comment"> * Revision 1.1 2006/03/17 13:24:59 strk</span>
<a name="l00214"></a>00214 <span class="comment"> * opOverlay.h header splitted. Reduced header inclusions in operation/overlay implementation files. ElevationMatrixFilter code moved from own file to ElevationMatrix.cpp (ideally a class-private).</span>
<a name="l00215"></a>00215 <span class="comment"> *</span>
<a name="l00216"></a>00216 <span class="comment"> **********************************************************************/</span>
<a name="l00217"></a>00217
</pre></div></div>
</div>
<hr class="footer"/><address class="footer"><small>Generated on Thu Jul 22 2010 for GEOS by
<a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.1 </small></address>
</body>
</html>
