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<h1>ElevationMatrix.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: ElevationMatrix.h 2780 2009-12-03 19:46:43Z 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: original (by strk)</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_ELEVATIONMATRIX_H</span>
<a name="l00021"></a>00021 <span class="preprocessor"></span><span class="preprocessor">#define GEOS_OP_OVERLAY_ELEVATIONMATRIX_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 <span class="preprocessor">#include <string></span>
<a name="l00027"></a>00027
<a name="l00028"></a>00028 <span class="preprocessor">#include <geos/geom/CoordinateFilter.h></span> <span class="comment">// for inheritance </span>
<a name="l00029"></a>00029 <span class="preprocessor">#include <geos/geom/Envelope.h></span> <span class="comment">// for composition</span>
<a name="l00030"></a>00030 <span class="preprocessor">#include <geos/operation/overlay/ElevationMatrixCell.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>Coordinate;
<a name="l00036"></a>00036 <span class="keyword">class </span>Geometry;
<a name="l00037"></a>00037 }
<a name="l00038"></a>00038 <span class="keyword">namespace </span>operation {
<a name="l00039"></a>00039 <span class="keyword">namespace </span>overlay {
<a name="l00040"></a>00040 <span class="keyword">class </span>ElevationMatrixFilter;
<a name="l00041"></a>00041 <span class="keyword">class </span>ElevationMatrix;
<a name="l00042"></a>00042 }
<a name="l00043"></a>00043 }
<a name="l00044"></a>00044 }
<a name="l00045"></a>00045
<a name="l00046"></a>00046 <span class="keyword">namespace </span>geos {
<a name="l00047"></a>00047 <span class="keyword">namespace </span>operation { <span class="comment">// geos::operation</span>
<a name="l00048"></a>00048 <span class="keyword">namespace </span>overlay { <span class="comment">// geos::operation::overlay</span>
<a name="l00049"></a>00049
<a name="l00050"></a>00050
<a name="l00051"></a>00051 <span class="comment">/*</span>
<a name="l00052"></a>00052 <span class="comment"> * This is the CoordinateFilter used by ElevationMatrix.</span>
<a name="l00053"></a>00053 <span class="comment"> * filter_ro is used to add Geometry Coordinate's Z</span>
<a name="l00054"></a>00054 <span class="comment"> * values to the matrix.</span>
<a name="l00055"></a>00055 <span class="comment"> * filter_rw is used to actually elevate Geometries.</span>
<a name="l00056"></a>00056 <span class="comment"> */</span>
<a name="l00057"></a>00057 <span class="keyword">class </span>GEOS_DLL ElevationMatrixFilter: <span class="keyword">public</span> geom::CoordinateFilter
<a name="l00058"></a>00058 {
<a name="l00059"></a>00059 <span class="keyword">public</span>:
<a name="l00060"></a>00060 ElevationMatrixFilter(ElevationMatrix &em);
<a name="l00061"></a>00061 ~ElevationMatrixFilter();
<a name="l00062"></a>00062 <span class="keywordtype">void</span> filter_rw(geom::Coordinate *c) <span class="keyword">const</span>;
<a name="l00063"></a>00063 <span class="keywordtype">void</span> filter_ro(<span class="keyword">const</span> geom::Coordinate *c);
<a name="l00064"></a>00064 <span class="keyword">private</span>:
<a name="l00065"></a>00065 ElevationMatrix &em;
<a name="l00066"></a>00066 <span class="keywordtype">double</span> avgElevation;
<a name="l00067"></a>00067
<a name="l00068"></a>00068 <span class="comment">// Declare type as noncopyable</span>
<a name="l00069"></a>00069 ElevationMatrixFilter(<span class="keyword">const</span> ElevationMatrixFilter& other);
<a name="l00070"></a>00070 ElevationMatrixFilter& operator=(<span class="keyword">const</span> ElevationMatrixFilter& rhs);
<a name="l00071"></a>00071 };
<a name="l00072"></a>00072
<a name="l00073"></a>00073
<a name="l00074"></a>00074 <span class="comment">/*</span>
<a name="l00075"></a>00075 <span class="comment"> */</span>
<a name="l00076"></a>00076 <span class="keyword">class </span>GEOS_DLL ElevationMatrix {
<a name="l00077"></a>00077 <span class="keyword">friend</span> <span class="keyword">class </span>ElevationMatrixFilter;
<a name="l00078"></a>00078 <span class="keyword">public</span>:
<a name="l00079"></a>00079 ElevationMatrix(<span class="keyword">const</span> geom::Envelope &extent, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> rows,
<a name="l00080"></a>00080 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> cols);
<a name="l00081"></a>00081 ~ElevationMatrix();
<a name="l00082"></a>00082 <span class="keywordtype">void</span> add(<span class="keyword">const</span> geom::Geometry *geom);
<a name="l00083"></a>00083 <span class="keywordtype">void</span> elevate(geom::Geometry *geom) <span class="keyword">const</span>;
<a name="l00084"></a>00084 <span class="comment">// set Z value for each cell w/out one</span>
<a name="l00085"></a>00085 <span class="keywordtype">double</span> getAvgElevation() <span class="keyword">const</span>;
<a name="l00086"></a>00086 ElevationMatrixCell &getCell(<span class="keyword">const</span> geom::Coordinate &c);
<a name="l00087"></a>00087 <span class="keyword">const</span> ElevationMatrixCell &getCell(<span class="keyword">const</span> geom::Coordinate &c) <span class="keyword">const</span>;
<a name="l00088"></a>00088 std::string print() <span class="keyword">const</span>;
<a name="l00089"></a>00089 <span class="keyword">private</span>:
<a name="l00090"></a>00090 ElevationMatrixFilter filter;
<a name="l00091"></a>00091 <span class="keywordtype">void</span> add(<span class="keyword">const</span> geom::Coordinate &c);
<a name="l00092"></a>00092 geom::Envelope env;
<a name="l00093"></a>00093 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> cols;
<a name="l00094"></a>00094 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> rows;
<a name="l00095"></a>00095 <span class="keywordtype">double</span> cellwidth;
<a name="l00096"></a>00096 <span class="keywordtype">double</span> cellheight;
<a name="l00097"></a>00097 <span class="keyword">mutable</span> <span class="keywordtype">bool</span> avgElevationComputed;
<a name="l00098"></a>00098 <span class="keyword">mutable</span> <span class="keywordtype">double</span> avgElevation;
<a name="l00099"></a>00099 std::vector<ElevationMatrixCell>cells;
<a name="l00100"></a>00100 };
<a name="l00101"></a>00101
<a name="l00102"></a>00102
<a name="l00103"></a>00103 } <span class="comment">// namespace geos::operation::overlay</span>
<a name="l00104"></a>00104 } <span class="comment">// namespace geos::operation</span>
<a name="l00105"></a>00105 } <span class="comment">// namespace geos</span>
<a name="l00106"></a>00106
<a name="l00107"></a>00107 <span class="preprocessor">#endif // ndef GEOS_OP_OVERLAY_ELEVATIONMATRIX_H</span>
<a name="l00108"></a>00108 <span class="preprocessor"></span>
<a name="l00109"></a>00109 <span class="comment">/**********************************************************************</span>
<a name="l00110"></a>00110 <span class="comment"> * $Log$</span>
<a name="l00111"></a>00111 <span class="comment"> * Revision 1.1 2006/03/17 13:24:59 strk</span>
<a name="l00112"></a>00112 <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="l00113"></a>00113 <span class="comment"> *</span>
<a name="l00114"></a>00114 <span class="comment"> **********************************************************************/</span>
<a name="l00115"></a>00115
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