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<h1>ComponentCoordinateExtracter.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: ComponentCoordinateExtracter.h 2772 2009-12-03 19:30:54Z 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) 2001-2002 Vivid Solutions Inc.</span>
<a name="l00008"></a>00008 <span class="comment"> * Copyright (C) 2006 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
<a name="l00017"></a>00017 <span class="preprocessor">#ifndef GEOS_GEOM_UTIL_COMPONENTCOORDINATEEXTRACTER_H</span>
<a name="l00018"></a>00018 <span class="preprocessor"></span><span class="preprocessor">#define GEOS_GEOM_UTIL_COMPONENTCOORDINATEEXTRACTER_H</span>
<a name="l00019"></a>00019 <span class="preprocessor"></span>
<a name="l00020"></a>00020 <span class="preprocessor">#include <vector></span>
<a name="l00021"></a>00021
<a name="l00022"></a>00022 <span class="preprocessor">#include <geos/geom/GeometryComponentFilter.h></span>
<a name="l00023"></a>00023 <span class="preprocessor">#include <geos/geom/Geometry.h></span> <span class="comment">// to be removed when we have the .inl</span>
<a name="l00024"></a>00024 <span class="preprocessor">#include <geos/geom/Coordinate.h></span> <span class="comment">// to be removed when we have the .inl</span>
<a name="l00025"></a>00025 <span class="preprocessor">#include <geos/geom/LineString.h></span> <span class="comment">// to be removed when we have the .inl</span>
<a name="l00026"></a>00026 <span class="preprocessor">#include <geos/geom/Point.h></span> <span class="comment">// to be removed when we have the .inl</span>
<a name="l00027"></a>00027 <span class="comment">//#include <geos/platform.h></span>
<a name="l00028"></a>00028
<a name="l00029"></a>00029 <span class="keyword">namespace </span>geos {
<a name="l00030"></a>00030 <span class="keyword">namespace </span>geom { <span class="comment">// geos::geom</span>
<a name="l00031"></a><a class="code" href="namespacegeos_1_1geom_1_1util.html">00031</a> <span class="keyword">namespace </span>util { <span class="comment">// geos::geom::util</span>
<a name="l00032"></a>00032
<a name="l00039"></a><a class="code" href="classgeos_1_1geom_1_1util_1_1ComponentCoordinateExtracter.html">00039</a> <span class="keyword">class </span><a class="code" href="classgeos_1_1geom_1_1util_1_1ComponentCoordinateExtracter.html" title="Extracts a single representative Coordinate from each connected component of a Geometry.">ComponentCoordinateExtracter</a> : <span class="keyword">public</span> <a class="code" href="classgeos_1_1geom_1_1GeometryComponentFilter.html">GeometryComponentFilter</a>
<a name="l00040"></a>00040 {
<a name="l00041"></a>00041 <span class="keyword">public</span>:
<a name="l00049"></a><a class="code" href="classgeos_1_1geom_1_1util_1_1ComponentCoordinateExtracter.html#a9679f5b4df0e96002184d895fe13fa1a">00049</a> <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="classgeos_1_1geom_1_1util_1_1ComponentCoordinateExtracter.html#a9679f5b4df0e96002184d895fe13fa1a">getCoordinates</a>(<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.">Geometry</a> &geom, std::vector<const Coordinate*> &ret)
<a name="l00050"></a>00050 {
<a name="l00051"></a>00051 <a class="code" href="classgeos_1_1geom_1_1util_1_1ComponentCoordinateExtracter.html" title="Extracts a single representative Coordinate from each connected component of a Geometry.">ComponentCoordinateExtracter</a> cce(ret);
<a name="l00052"></a>00052 geom.apply_ro(&cce);
<a name="l00053"></a>00053 }
<a name="l00054"></a>00054
<a name="l00059"></a><a class="code" href="classgeos_1_1geom_1_1util_1_1ComponentCoordinateExtracter.html#ac901ef6a33e1016d1bbe128f70ec8838">00059</a> <a class="code" href="classgeos_1_1geom_1_1util_1_1ComponentCoordinateExtracter.html#ac901ef6a33e1016d1bbe128f70ec8838">ComponentCoordinateExtracter</a>( std::vector<const Coordinate*> &newComps)
<a name="l00060"></a>00060 :
<a name="l00061"></a>00061 comps(newComps)
<a name="l00062"></a>00062 {}
<a name="l00063"></a>00063
<a name="l00064"></a><a class="code" href="classgeos_1_1geom_1_1util_1_1ComponentCoordinateExtracter.html#a56aaab811309b663e9afffdebaec1aaa">00064</a> <span class="keywordtype">void</span> <a class="code" href="classgeos_1_1geom_1_1util_1_1ComponentCoordinateExtracter.html#a56aaab811309b663e9afffdebaec1aaa">filter_rw</a>( <a class="code" href="classgeos_1_1geom_1_1Geometry.html" title="Basic implementation of Geometry, constructed and destructed by GeometryFactory.">Geometry</a> * geom)
<a name="l00065"></a>00065 {
<a name="l00066"></a>00066 <span class="keywordflow">if</span> ( geom-><a class="code" href="classgeos_1_1geom_1_1Geometry.html#a3680d76fcb2b2f8e2336ea3a2de5cbf8" title="Return an integer representation of this Geometry type.">getGeometryTypeId</a>() == <a class="code" href="namespacegeos_1_1geom.html#a98c5b0e81001a7c3fdc7a058960356d8a2858500525a9249ef95a24d33c04f2f6" title="a linear ring (linestring with 1st point == last point)">geos::geom::GEOS_LINEARRING</a>
<a name="l00067"></a>00067 || geom-><a class="code" href="classgeos_1_1geom_1_1Geometry.html#a3680d76fcb2b2f8e2336ea3a2de5cbf8" title="Return an integer representation of this Geometry type.">getGeometryTypeId</a>() == <a class="code" href="namespacegeos_1_1geom.html#a98c5b0e81001a7c3fdc7a058960356d8acac50eabb09b9a062bfeaef7f943f9e7" title="a linestring">geos::geom::GEOS_LINESTRING</a>
<a name="l00068"></a>00068 || geom-><a class="code" href="classgeos_1_1geom_1_1Geometry.html#a3680d76fcb2b2f8e2336ea3a2de5cbf8" title="Return an integer representation of this Geometry type.">getGeometryTypeId</a>() == geos::geom::GEOS_POINT )
<a name="l00069"></a>00069 comps.push_back( geom-><a class="code" href="classgeos_1_1geom_1_1Geometry.html#acefe992c172712a951a6055a1adf447a" title="Returns a vertex of this Geometry, or NULL if this is the empty geometry.">getCoordinate</a>() );
<a name="l00070"></a>00070 <span class="comment">//if ( typeid( *geom ) == typeid( LineString )</span>
<a name="l00071"></a>00071 <span class="comment">// || typeid( *geom ) == typeid( Point ) )</span>
<a name="l00072"></a>00072 <span class="comment">//if ( const Coordinate *ls=dynamic_cast<const Coordinate *>(geom) )</span>
<a name="l00073"></a>00073 <span class="comment">// comps.push_back(ls);</span>
<a name="l00074"></a>00074 }
<a name="l00075"></a>00075
<a name="l00076"></a>00076 <span class="keywordtype">void</span> filter_ro( <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.">Geometry</a> * geom)
<a name="l00077"></a>00077 {
<a name="l00078"></a>00078 <span class="comment">//if ( typeid( *geom ) == typeid( LineString )</span>
<a name="l00079"></a>00079 <span class="comment">// || typeid( *geom ) == typeid( Point ) )</span>
<a name="l00080"></a>00080 <span class="keywordflow">if</span> ( geom-><a class="code" href="classgeos_1_1geom_1_1Geometry.html#a3680d76fcb2b2f8e2336ea3a2de5cbf8" title="Return an integer representation of this Geometry type.">getGeometryTypeId</a>() == <a class="code" href="namespacegeos_1_1geom.html#a98c5b0e81001a7c3fdc7a058960356d8a2858500525a9249ef95a24d33c04f2f6" title="a linear ring (linestring with 1st point == last point)">geos::geom::GEOS_LINEARRING</a>
<a name="l00081"></a>00081 || geom-><a class="code" href="classgeos_1_1geom_1_1Geometry.html#a3680d76fcb2b2f8e2336ea3a2de5cbf8" title="Return an integer representation of this Geometry type.">getGeometryTypeId</a>() == <a class="code" href="namespacegeos_1_1geom.html#a98c5b0e81001a7c3fdc7a058960356d8acac50eabb09b9a062bfeaef7f943f9e7" title="a linestring">geos::geom::GEOS_LINESTRING</a>
<a name="l00082"></a>00082 || geom-><a class="code" href="classgeos_1_1geom_1_1Geometry.html#a3680d76fcb2b2f8e2336ea3a2de5cbf8" title="Return an integer representation of this Geometry type.">getGeometryTypeId</a>() == geos::geom::GEOS_POINT )
<a name="l00083"></a>00083 comps.push_back( geom-><a class="code" href="classgeos_1_1geom_1_1Geometry.html#acefe992c172712a951a6055a1adf447a" title="Returns a vertex of this Geometry, or NULL if this is the empty geometry.">getCoordinate</a>() );
<a name="l00084"></a>00084 <span class="comment">//if ( const Coordinate *ls=dynamic_cast<const Coordinate *>(geom) )</span>
<a name="l00085"></a>00085 <span class="comment">// comps.push_back(ls);</span>
<a name="l00086"></a>00086 }
<a name="l00087"></a>00087
<a name="l00088"></a>00088 <span class="keyword">private</span>:
<a name="l00089"></a>00089
<a name="l00090"></a>00090 <a class="code" href="classgeos_1_1geom_1_1Coordinate.html#a1735d833ea7d033b82c317f883948525" title="A vector of const Coordinate pointers.">Coordinate::ConstVect</a> &comps;
<a name="l00091"></a>00091
<a name="l00092"></a>00092 <span class="comment">// Declare type as noncopyable</span>
<a name="l00093"></a>00093 <a class="code" href="classgeos_1_1geom_1_1util_1_1ComponentCoordinateExtracter.html#ac901ef6a33e1016d1bbe128f70ec8838">ComponentCoordinateExtracter</a>(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1util_1_1ComponentCoordinateExtracter.html#ac901ef6a33e1016d1bbe128f70ec8838">ComponentCoordinateExtracter</a>& other);
<a name="l00094"></a>00094 <a class="code" href="classgeos_1_1geom_1_1util_1_1ComponentCoordinateExtracter.html#ac901ef6a33e1016d1bbe128f70ec8838">ComponentCoordinateExtracter</a>& operator=(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1util_1_1ComponentCoordinateExtracter.html#ac901ef6a33e1016d1bbe128f70ec8838">ComponentCoordinateExtracter</a>& rhs);
<a name="l00095"></a>00095 };
<a name="l00096"></a>00096
<a name="l00097"></a>00097 } <span class="comment">// namespace geos.geom.util</span>
<a name="l00098"></a>00098 } <span class="comment">// namespace geos.geom</span>
<a name="l00099"></a>00099 } <span class="comment">// namespace geos</span>
<a name="l00100"></a>00100
<a name="l00101"></a>00101 <span class="preprocessor">#endif //GEOS_GEOM_UTIL_COMPONENTCOORDINATEEXTRACTER_H</span>
<a name="l00102"></a>00102 <span class="preprocessor"></span>
<a name="l00103"></a>00103 <span class="comment">/**********************************************************************</span>
<a name="l00104"></a>00104 <span class="comment"> * $Log$</span>
<a name="l00105"></a>00105 <span class="comment"> *</span>
<a name="l00106"></a>00106 <span class="comment"> **********************************************************************/</span>
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