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<h1>dox/Hybrid/vtkGreedyTerrainDecimation.h</h1><a href="a02828.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*=========================================================================</span>
<a name="l00002"></a>00002 <span class="comment"></span>
<a name="l00003"></a>00003 <span class="comment">  Program:   Visualization Toolkit</span>
<a name="l00004"></a>00004 <span class="comment">  Module:    $RCSfile: vtkGreedyTerrainDecimation.h,v $</span>
<a name="l00005"></a>00005 <span class="comment"></span>
<a name="l00006"></a>00006 <span class="comment">  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen</span>
<a name="l00007"></a>00007 <span class="comment">  All rights reserved.</span>
<a name="l00008"></a>00008 <span class="comment">  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.</span>
<a name="l00009"></a>00009 <span class="comment"></span>
<a name="l00010"></a>00010 <span class="comment">     This software is distributed WITHOUT ANY WARRANTY; without even</span>
<a name="l00011"></a>00011 <span class="comment">     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR</span>
<a name="l00012"></a>00012 <span class="comment">     PURPOSE.  See the above copyright notice for more information.</span>
<a name="l00013"></a>00013 <span class="comment"></span>
<a name="l00014"></a>00014 <span class="comment">=========================================================================*/</span>
<a name="l00069"></a>00069 <span class="preprocessor">#ifndef __vtkGreedyTerrainDecimation_h</span>
<a name="l00070"></a>00070 <span class="preprocessor"></span><span class="preprocessor">#define __vtkGreedyTerrainDecimation_h</span>
<a name="l00071"></a>00071 <span class="preprocessor"></span>
<a name="l00072"></a>00072 <span class="preprocessor">#include "<a class="code" href="a02331.html">vtkPolyDataAlgorithm.h</a>"</span>
<a name="l00073"></a>00073 
<a name="l00074"></a>00074 <span class="keyword">class </span><a class="code" href="a01300.html" title="an list of ids arranged in priority order">vtkPriorityQueue</a>;
<a name="l00075"></a>00075 <span class="keyword">class </span><a class="code" href="a00356.html" title="abstract superclass for arrays of numeric data">vtkDataArray</a>;
<a name="l00076"></a>00076 <span class="keyword">class </span><a class="code" href="a01242.html" title="represent and manipulate point attribute data">vtkPointData</a>;
<a name="l00077"></a>00077 <span class="keyword">class </span><a class="code" href="a00720.html" title="list of point or cell ids">vtkIdList</a>;
<a name="l00078"></a>00078 <span class="keyword">class </span><a class="code" href="a00436.html" title="dynamic, self-adjusting array of double">vtkDoubleArray</a>;
<a name="l00079"></a>00079 <span class="keyword">class </span><a class="code" href="a00556.html" title="dynamic, self-adjusting array of float">vtkFloatArray</a>;
<a name="l00080"></a>00080 
<a name="l00081"></a>00081 <span class="comment">//PIMPL Encapsulation for STL containers</span>
<a name="l00082"></a>00082 <span class="keyword">class </span>vtkGreedyTerrainDecimationTerrainInfoType;
<a name="l00083"></a>00083 <span class="keyword">class </span>vtkGreedyTerrainDecimationPointInfoType;
<a name="l00084"></a>00084 
<a name="l00085"></a><a class="code" href="a02828.html#b81ced99dfb2b31b3057509e0c3104cd">00085</a> <span class="preprocessor">#define VTK_ERROR_NUMBER_OF_TRIANGLES 0</span>
<a name="l00086"></a><a class="code" href="a02828.html#19c58bfd11a46bb9085c91159ede7192">00086</a> <span class="preprocessor"></span><span class="preprocessor">#define VTK_ERROR_SPECIFIED_REDUCTION 1</span>
<a name="l00087"></a><a class="code" href="a02828.html#4978708bcabcb2bce249592bfd34a510">00087</a> <span class="preprocessor"></span><span class="preprocessor">#define VTK_ERROR_ABSOLUTE            2</span>
<a name="l00088"></a><a class="code" href="a02828.html#507f5730cb16b743a84e6a8da2c24afa">00088</a> <span class="preprocessor"></span><span class="preprocessor">#define VTK_ERROR_RELATIVE            3</span>
<a name="l00089"></a>00089 <span class="preprocessor"></span>
<a name="l00090"></a><a class="code" href="a00674.html">00090</a> <span class="keyword">class </span><a class="code" href="a02170.html#9e9a05a8377523b4f8d707441f65786d">VTK_HYBRID_EXPORT</a> <a class="code" href="a00674.html" title="reduce height field (represented as image) to reduced TIN">vtkGreedyTerrainDecimation</a> : <span class="keyword">public</span> <a class="code" href="a01261.html" title="Superclass for algorithms that produce only polydata as output.">vtkPolyDataAlgorithm</a>
<a name="l00091"></a>00091 {
<a name="l00092"></a>00092 <span class="keyword">public</span>:
<a name="l00093"></a><a class="code" href="a00674.html#2bd386743c508fde684b43064abea512">00093</a>   vtkTypeRevisionMacro(<a class="code" href="a00674.html" title="reduce height field (represented as image) to reduced TIN">vtkGreedyTerrainDecimation</a>,<a class="code" href="a01261.html" title="Superclass for algorithms that produce only polydata as output.">vtkPolyDataAlgorithm</a>);
<a name="l00094"></a>00094   <span class="keywordtype">void</span> <a class="code" href="a01261.html#e6d59a63261b0c56f8f473984ae0e1b6">PrintSelf</a>(ostream&amp; os, <a class="code" href="a00869.html" title="a simple class to control print indentation">vtkIndent</a> indent);
<a name="l00095"></a>00095 
<a name="l00097"></a>00097   <span class="keyword">static</span> <a class="code" href="a00674.html" title="reduce height field (represented as image) to reduced TIN">vtkGreedyTerrainDecimation</a>* <a class="code" href="a01261.html#cf785ac526132296ff652c636f713b5e">New</a>();
<a name="l00098"></a>00098 
<a name="l00100"></a>00100 
<a name="l00105"></a>00105   vtkSetClampMacro(ErrorMeasure,<span class="keywordtype">int</span>,<a class="code" href="a02828.html#b81ced99dfb2b31b3057509e0c3104cd">VTK_ERROR_NUMBER_OF_TRIANGLES</a>,<a class="code" href="a02828.html#507f5730cb16b743a84e6a8da2c24afa">VTK_ERROR_RELATIVE</a>);
<a name="l00106"></a>00106   vtkGetMacro(ErrorMeasure,<span class="keywordtype">int</span>);
<a name="l00107"></a><a class="code" href="a00674.html#3ff91b6aabce6e49caf442631ec82b42">00107</a>   <span class="keywordtype">void</span> SetErrorMeasureToNumberOfTriangles() 
<a name="l00108"></a>00108     {this-&gt;SetErrorMeasure(<a class="code" href="a02828.html#b81ced99dfb2b31b3057509e0c3104cd">VTK_ERROR_NUMBER_OF_TRIANGLES</a>);}
<a name="l00109"></a><a class="code" href="a00674.html#c33ab571b6a5eafb16ab12291d9524e5">00109</a>   <span class="keywordtype">void</span> SetErrorMeasureToSpecifiedReduction() 
<a name="l00110"></a>00110     {this-&gt;SetErrorMeasure(<a class="code" href="a02828.html#19c58bfd11a46bb9085c91159ede7192">VTK_ERROR_SPECIFIED_REDUCTION</a>);}
<a name="l00111"></a><a class="code" href="a00674.html#4f9b4aca99a8220a6a46d7bcbf502fea">00111</a>   <span class="keywordtype">void</span> SetErrorMeasureToAbsoluteError() 
<a name="l00112"></a>00112     {this-&gt;SetErrorMeasure(<a class="code" href="a02828.html#4978708bcabcb2bce249592bfd34a510">VTK_ERROR_ABSOLUTE</a>);}
<a name="l00113"></a><a class="code" href="a00674.html#a488d1c66d1c500d318c3f1d980b3fe8">00113</a>   <span class="keywordtype">void</span> SetErrorMeasureToRelativeError() 
<a name="l00114"></a>00114     {this-&gt;SetErrorMeasure(<a class="code" href="a02828.html#507f5730cb16b743a84e6a8da2c24afa">VTK_ERROR_RELATIVE</a>);}
<a name="l00116"></a>00116 
<a name="l00118"></a>00118 
<a name="l00122"></a>00122   vtkSetClampMacro(NumberOfTriangles,<a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a>,2,<a class="code" href="a02149.html#ec189d4a83835b1907613a07c3d6bf91">VTK_LARGE_ID</a>);
<a name="l00123"></a>00123   vtkGetMacro(NumberOfTriangles,<a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a>);
<a name="l00125"></a>00125 
<a name="l00127"></a>00127 
<a name="l00130"></a>00130   vtkSetClampMacro(Reduction,<span class="keywordtype">double</span>,0.0,1.0);
<a name="l00131"></a>00131   vtkGetMacro(Reduction,<span class="keywordtype">double</span>);
<a name="l00133"></a>00133 
<a name="l00135"></a>00135 
<a name="l00139"></a>00139   vtkSetClampMacro(AbsoluteError,<span class="keywordtype">double</span>,0.0,<a class="code" href="a02149.html#a933eb1ff8ef089de59cce7b41e21261">VTK_DOUBLE_MAX</a>);
<a name="l00140"></a>00140   vtkGetMacro(AbsoluteError,<span class="keywordtype">double</span>);
<a name="l00142"></a>00142 
<a name="l00144"></a>00144 
<a name="l00148"></a>00148   vtkSetClampMacro(RelativeError,<span class="keywordtype">double</span>,0.0,<a class="code" href="a02149.html#a933eb1ff8ef089de59cce7b41e21261">VTK_DOUBLE_MAX</a>);
<a name="l00149"></a>00149   vtkGetMacro(RelativeError,<span class="keywordtype">double</span>);
<a name="l00151"></a>00151 
<a name="l00153"></a>00153 
<a name="l00155"></a>00155   vtkSetMacro(BoundaryVertexDeletion,<span class="keywordtype">int</span>);
<a name="l00156"></a>00156   vtkGetMacro(BoundaryVertexDeletion,<span class="keywordtype">int</span>);
<a name="l00157"></a>00157   vtkBooleanMacro(BoundaryVertexDeletion,<span class="keywordtype">int</span>);
<a name="l00159"></a>00159 
<a name="l00161"></a>00161 
<a name="l00162"></a>00162   vtkSetMacro(ComputeNormals, <span class="keywordtype">int</span>);
<a name="l00163"></a>00163   vtkGetMacro(ComputeNormals, <span class="keywordtype">int</span>);
<a name="l00164"></a>00164   vtkBooleanMacro(ComputeNormals, <span class="keywordtype">int</span>);
<a name="l00166"></a>00166 
<a name="l00167"></a>00167 <span class="keyword">protected</span>:
<a name="l00168"></a>00168   <a class="code" href="a00674.html" title="reduce height field (represented as image) to reduced TIN">vtkGreedyTerrainDecimation</a>();
<a name="l00169"></a>00169   ~<a class="code" href="a00674.html" title="reduce height field (represented as image) to reduced TIN">vtkGreedyTerrainDecimation</a>();
<a name="l00170"></a>00170 
<a name="l00171"></a>00171   <span class="keyword">virtual</span> <span class="keywordtype">int</span> <a class="code" href="a01261.html#6b5a43ab1f9bbcb368c7dc83e4afe068">RequestData</a>(<a class="code" href="a00872.html" title="Store vtkAlgorithm input/output information.">vtkInformation</a> *, <a class="code" href="a00895.html" title="Store zero or more vtkInformation instances.">vtkInformationVector</a> **, <a class="code" href="a00895.html" title="Store zero or more vtkInformation instances.">vtkInformationVector</a> *);
<a name="l00172"></a>00172   <span class="keyword">virtual</span> <span class="keywordtype">int</span> <a class="code" href="a01261.html#a9084b97ab9c0c8c76e490fa9776a832">FillInputPortInformation</a>(<span class="keywordtype">int</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d210710cb6d12e418b21e8fb3d79ac32f51c">port</a>, <a class="code" href="a00872.html" title="Store vtkAlgorithm input/output information.">vtkInformation</a> *<a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d21023da246d4a744e861548382bb79fad81">info</a>);
<a name="l00173"></a>00173 
<a name="l00174"></a><a class="code" href="a00674.html#6cf57ae6562b19ec39afc54be5206a6d">00174</a>   <span class="keywordtype">int</span> ComputeNormals;
<a name="l00175"></a><a class="code" href="a00674.html#0c08518a3cc2fc1975495606780fe012">00175</a>   <a class="code" href="a00556.html" title="dynamic, self-adjusting array of float">vtkFloatArray</a>* Normals;
<a name="l00176"></a>00176   <span class="keywordtype">void</span> ComputePointNormal(<span class="keywordtype">int</span> i, <span class="keywordtype">int</span> j, <span class="keywordtype">float</span> n[3]);
<a name="l00177"></a>00177 
<a name="l00178"></a>00178   <span class="comment">//ivars that the API addresses</span>
<a name="l00179"></a><a class="code" href="a00674.html#d12f37644459a4d039bffcd90603fd9c">00179</a>   <span class="keywordtype">int</span>       ErrorMeasure;
<a name="l00180"></a><a class="code" href="a00674.html#89c563784f7c03f70e18c7cf6c4639b4">00180</a>   <a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> NumberOfTriangles;
<a name="l00181"></a><a class="code" href="a00674.html#5612e3e4ec41ebaeb4a430fa00ccbe2a">00181</a>   <span class="keywordtype">double</span>    Reduction;
<a name="l00182"></a><a class="code" href="a00674.html#c03fcf58203309a3da492bcf931a0793">00182</a>   <span class="keywordtype">double</span>    AbsoluteError;
<a name="l00183"></a><a class="code" href="a00674.html#c30a9e3bfea7fb72756cd2268721852a">00183</a>   <span class="keywordtype">double</span>    RelativeError;
<a name="l00184"></a><a class="code" href="a00674.html#711cbfd0f214c4fb22dcfd4fe7d1b3ce">00184</a>   <span class="keywordtype">int</span>       BoundaryVertexDeletion; <span class="comment">//Can we delete boundary vertices?</span>
<a name="l00185"></a>00185 
<a name="l00186"></a>00186   <span class="comment">//Used for convenience</span>
<a name="l00187"></a><a class="code" href="a00674.html#d85a12c08067d54f37b2f5d894268031">00187</a>   <a class="code" href="a01260.html" title="concrete dataset represents vertices, lines, polygons, and triangle strips">vtkPolyData</a>    *Mesh;
<a name="l00188"></a><a class="code" href="a00674.html#e7b0fd3746a25f24ad95a3b8326afa07">00188</a>   <a class="code" href="a01242.html" title="represent and manipulate point attribute data">vtkPointData</a>   *InputPD;
<a name="l00189"></a><a class="code" href="a00674.html#2e900b2d2aa39aed2a953062f79eba16">00189</a>   <a class="code" href="a01242.html" title="represent and manipulate point attribute data">vtkPointData</a>   *OutputPD;
<a name="l00190"></a><a class="code" href="a00674.html#1e8843aad60801614a0d059ae1701f52">00190</a>   <a class="code" href="a00436.html" title="dynamic, self-adjusting array of double">vtkDoubleArray</a> *Points;
<a name="l00191"></a><a class="code" href="a00674.html#5d5a998045d7b92aed21b737c072562e">00191</a>   <a class="code" href="a00356.html" title="abstract superclass for arrays of numeric data">vtkDataArray</a>   *Heights;
<a name="l00192"></a><a class="code" href="a00674.html#710ebbbc8013332c2cfa59b21b1d7e48">00192</a>   <a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a>      CurrentPointId;
<a name="l00193"></a><a class="code" href="a00674.html#c447392dda921598b1b36ae3c45e5d5e">00193</a>   <span class="keywordtype">double</span>         Tolerance;
<a name="l00194"></a><a class="code" href="a00674.html#7f3476dde80219d729526a4db6a130c5">00194</a>   <a class="code" href="a00720.html" title="list of point or cell ids">vtkIdList</a>      *Neighbors;
<a name="l00195"></a><a class="code" href="a00674.html#1e6b88d1e116a4f489e01523bc870f74">00195</a>   <span class="keywordtype">int</span>            Dimensions[3];
<a name="l00196"></a><a class="code" href="a00674.html#616b498463e63a04ac19f7a4aa1931ba">00196</a>   <span class="keywordtype">double</span>         Origin[3];
<a name="l00197"></a><a class="code" href="a00674.html#7650e90395c07e4b92058ce955638dc8">00197</a>   <span class="keywordtype">double</span>         Spacing[3];
<a name="l00198"></a><a class="code" href="a00674.html#bf304967ea9336106000cc732dc5732d">00198</a>   <a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a>      MaximumNumberOfTriangles;
<a name="l00199"></a><a class="code" href="a00674.html#2107fd092857fcc24954b214d9076802">00199</a>   <span class="keywordtype">double</span>         Length;
<a name="l00200"></a>00200 
<a name="l00201"></a>00201   <span class="comment">//Bookeeping arrays</span>
<a name="l00202"></a><a class="code" href="a00674.html#eb04c8972611af0b6cb5b9a4a055301d">00202</a>   <a class="code" href="a01300.html" title="an list of ids arranged in priority order">vtkPriorityQueue</a>                          *TerrainError; <span class="comment">//errors for each pt in height field</span>
<a name="l00203"></a><a class="code" href="a00674.html#43435e84201ba4e642ad2398bd3d858d">00203</a>   vtkGreedyTerrainDecimationTerrainInfoType *TerrainInfo;  <span class="comment">//owning triangle for each pt</span>
<a name="l00204"></a><a class="code" href="a00674.html#9e942496db9a37d14d5f67b00f4c0b98">00204</a>   vtkGreedyTerrainDecimationPointInfoType   *PointInfo;    <span class="comment">//map mesh pt id to input pt id</span>
<a name="l00205"></a>00205   
<a name="l00206"></a>00206   <span class="comment">//Make a guess at initial allocation</span>
<a name="l00207"></a>00207   <span class="keywordtype">void</span> EstimateOutputSize(<span class="keyword">const</span> <a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> numInputPts, <a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> &amp;numPts, <a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> &amp;numTris);
<a name="l00208"></a>00208   
<a name="l00209"></a>00209   <span class="comment">//Returns non-zero if the error measure is satisfied.</span>
<a name="l00210"></a>00210   <span class="keyword">virtual</span> <span class="keywordtype">int</span> SatisfiesErrorMeasure(<span class="keywordtype">double</span> error);
<a name="l00211"></a>00211 
<a name="l00212"></a>00212   <span class="comment">//Insert all the boundary vertices into the TIN</span>
<a name="l00213"></a>00213   <span class="keywordtype">void</span> InsertBoundaryVertices();
<a name="l00214"></a>00214     
<a name="l00215"></a>00215   <span class="comment">//Insert a point into the triangulation; get a point from the triangulation</span>
<a name="l00216"></a>00216   <a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> AddPointToTriangulation(<a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> inputPtId);
<a name="l00217"></a>00217   <a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> InsertNextPoint(<a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> inputPtId, <span class="keywordtype">double</span> x[3]);
<a name="l00218"></a>00218   <span class="keywordtype">double</span> *GetPoint(<a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> <span class="keywordtype">id</span>);
<a name="l00219"></a>00219   <span class="keywordtype">void</span> GetPoint(<a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> <span class="keywordtype">id</span>, <span class="keywordtype">double</span> x[3]);
<a name="l00220"></a>00220 
<a name="l00221"></a>00221   <span class="comment">//Helper functions</span>
<a name="l00222"></a>00222   <span class="keywordtype">void</span> GetTerrainPoint(<span class="keywordtype">int</span> i, <span class="keywordtype">int</span> j, <span class="keywordtype">double</span> x[3]);
<a name="l00223"></a>00223   <span class="keywordtype">void</span> ComputeImageCoordinates(<a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> inputPtId, <span class="keywordtype">int</span> ij[2]);
<a name="l00224"></a>00224   <span class="keywordtype">int</span> InCircle (<span class="keywordtype">double</span> x[3], <span class="keywordtype">double</span> x1[3], <span class="keywordtype">double</span> x2[3], <span class="keywordtype">double</span> x3[3]);
<a name="l00225"></a>00225   <a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> FindTriangle(<span class="keywordtype">double</span> x[3], <a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> ptIds[3], <a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> tri,
<a name="l00226"></a>00226                          <span class="keywordtype">double</span> tol, <a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> nei[3], <a class="code" href="a00720.html" title="list of point or cell ids">vtkIdList</a> *neighbors, <span class="keywordtype">int</span>&amp; status);
<a name="l00227"></a>00227   <span class="keywordtype">void</span> CheckEdge(<a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> ptId, <span class="keywordtype">double</span> x[3], <a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> p1, <a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> p2,
<a name="l00228"></a>00228                  <a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> tri, <span class="keywordtype">int</span> depth);
<a name="l00229"></a>00229 
<a name="l00230"></a>00230   <span class="keywordtype">void</span> UpdateTriangles(<a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> meshPtId); <span class="comment">//update all points connected to this point</span>
<a name="l00231"></a>00231   <span class="keywordtype">void</span> UpdateTriangle(<a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> triId, <a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> p1, <a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> p2, <a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> p3);
<a name="l00232"></a>00232   <span class="keywordtype">void</span> UpdateTriangle(<a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> triId, <span class="keywordtype">int</span> ij1[2], <span class="keywordtype">int</span> ij2[2], <span class="keywordtype">int</span> ij3[2], <span class="keywordtype">double</span> h[4]);
<a name="l00233"></a>00233 
<a name="l00234"></a>00234   <span class="keywordtype">int</span> CharacterizeTriangle(<span class="keywordtype">int</span> ij1[2], <span class="keywordtype">int</span> ij2[2], <span class="keywordtype">int</span> ij[3],
<a name="l00235"></a>00235                            <span class="keywordtype">int</span>* &amp;min, <span class="keywordtype">int</span>* &amp;<a class="code" href="a02864.html#ffe776513b24d84b39af8ab0930fef7f">max</a>, <span class="keywordtype">int</span>* &amp;midL, <span class="keywordtype">int</span>* &amp;midR,
<a name="l00236"></a>00236                            <span class="keywordtype">int</span>* &amp;mid, <span class="keywordtype">int</span> mid2[2], <span class="keywordtype">double</span> h[3], <span class="keywordtype">double</span> &amp;hMin, <span class="keywordtype">double</span> &amp;hMax, 
<a name="l00237"></a>00237                            <span class="keywordtype">double</span> &amp;hL, <span class="keywordtype">double</span> &amp;hR);
<a name="l00238"></a>00238 
<a name="l00239"></a>00239 <span class="keyword">private</span>:
<a name="l00240"></a>00240   <a class="code" href="a00674.html" title="reduce height field (represented as image) to reduced TIN">vtkGreedyTerrainDecimation</a>(<span class="keyword">const</span> <a class="code" href="a00674.html" title="reduce height field (represented as image) to reduced TIN">vtkGreedyTerrainDecimation</a>&amp;);  <span class="comment">// Not implemented.</span>
<a name="l00241"></a>00241   <span class="keywordtype">void</span> operator=(<span class="keyword">const</span> <a class="code" href="a00674.html" title="reduce height field (represented as image) to reduced TIN">vtkGreedyTerrainDecimation</a>&amp;);  <span class="comment">// Not implemented.</span>
<a name="l00242"></a>00242 
<a name="l00243"></a>00243 };
<a name="l00244"></a>00244 
<a name="l00245"></a>00245 <span class="preprocessor">#endif</span>
</pre></div></div>
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