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<h1>dox/Graphics/vtkQuadricDecimation.h</h1><a href="a02633.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: vtkQuadricDecimation.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="l00058"></a>00058 <span class="preprocessor">#ifndef __vtkQuadricDecimation_h</span>
<a name="l00059"></a>00059 <span class="preprocessor"></span><span class="preprocessor">#define __vtkQuadricDecimation_h</span>
<a name="l00060"></a>00060 <span class="preprocessor"></span>
<a name="l00061"></a>00061 <span class="preprocessor">#include "<a class="code" href="a02331.html">vtkPolyDataAlgorithm.h</a>"</span>
<a name="l00062"></a>00062 
<a name="l00063"></a>00063 <span class="keyword">class </span><a class="code" href="a00453.html" title="keep track of edges (edge is pair of integer id&amp;#39;s)">vtkEdgeTable</a>;
<a name="l00064"></a>00064 <span class="keyword">class </span><a class="code" href="a00720.html" title="list of point or cell ids">vtkIdList</a>;
<a name="l00065"></a>00065 <span class="keyword">class </span><a class="code" href="a01242.html" title="represent and manipulate point attribute data">vtkPointData</a>;
<a name="l00066"></a>00066 <span class="keyword">class </span><a class="code" href="a01300.html" title="an list of ids arranged in priority order">vtkPriorityQueue</a>;
<a name="l00067"></a>00067 <span class="keyword">class </span><a class="code" href="a00436.html" title="dynamic, self-adjusting array of double">vtkDoubleArray</a>;
<a name="l00068"></a>00068 
<a name="l00069"></a><a class="code" href="a01446.html">00069</a> <span class="keyword">class </span><a class="code" href="a02170.html#c3c1ffe2fe47b9b70ba90182b7860cce">VTK_GRAPHICS_EXPORT</a> <a class="code" href="a01446.html" title="reduce the number of triangles in a mesh">vtkQuadricDecimation</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="l00070"></a>00070 {
<a name="l00071"></a>00071 <span class="keyword">public</span>:
<a name="l00072"></a><a class="code" href="a01446.html#77c9429226b229f8a41921272a3df708">00072</a>   vtkTypeRevisionMacro(<a class="code" href="a01446.html" title="reduce the number of triangles in a mesh">vtkQuadricDecimation</a>, <a class="code" href="a01261.html" title="Superclass for algorithms that produce only polydata as output.">vtkPolyDataAlgorithm</a>);
<a name="l00073"></a>00073   <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="l00074"></a>00074   <span class="keyword">static</span> <a class="code" href="a01446.html" title="reduce the number of triangles in a mesh">vtkQuadricDecimation</a> *<a class="code" href="a01261.html#cf785ac526132296ff652c636f713b5e">New</a>();
<a name="l00075"></a>00075 
<a name="l00077"></a>00077 
<a name="l00080"></a>00080   vtkSetClampMacro(TargetReduction, <span class="keywordtype">double</span>, 0.0, 1.0);
<a name="l00081"></a>00081   vtkGetMacro(TargetReduction, <span class="keywordtype">double</span>);
<a name="l00083"></a>00083 
<a name="l00085"></a>00085 
<a name="l00088"></a>00088   vtkSetMacro(AttributeErrorMetric, <span class="keywordtype">int</span>);
<a name="l00089"></a>00089   vtkGetMacro(AttributeErrorMetric, <span class="keywordtype">int</span>);
<a name="l00090"></a>00090   vtkBooleanMacro(AttributeErrorMetric, <span class="keywordtype">int</span>);
<a name="l00092"></a>00092   
<a name="l00094"></a>00094 
<a name="l00098"></a>00098   vtkSetMacro(ScalarsAttribute, <span class="keywordtype">int</span>);
<a name="l00099"></a>00099   vtkGetMacro(ScalarsAttribute, <span class="keywordtype">int</span>);
<a name="l00100"></a>00100   vtkBooleanMacro(ScalarsAttribute, <span class="keywordtype">int</span>);
<a name="l00101"></a>00101   vtkSetMacro(VectorsAttribute, <span class="keywordtype">int</span>);
<a name="l00102"></a>00102   vtkGetMacro(VectorsAttribute, <span class="keywordtype">int</span>);
<a name="l00103"></a>00103   vtkBooleanMacro(VectorsAttribute, <span class="keywordtype">int</span>);
<a name="l00104"></a>00104   vtkSetMacro(NormalsAttribute, <span class="keywordtype">int</span>);
<a name="l00105"></a>00105   vtkGetMacro(NormalsAttribute, <span class="keywordtype">int</span>);
<a name="l00106"></a>00106   vtkBooleanMacro(NormalsAttribute, <span class="keywordtype">int</span>);
<a name="l00107"></a>00107   vtkSetMacro(TCoordsAttribute, <span class="keywordtype">int</span>);
<a name="l00108"></a>00108   vtkGetMacro(TCoordsAttribute, <span class="keywordtype">int</span>);
<a name="l00109"></a>00109   vtkBooleanMacro(TCoordsAttribute, <span class="keywordtype">int</span>);
<a name="l00110"></a>00110   vtkSetMacro(TensorsAttribute, <span class="keywordtype">int</span>);
<a name="l00111"></a>00111   vtkGetMacro(TensorsAttribute, <span class="keywordtype">int</span>);
<a name="l00112"></a>00112   vtkBooleanMacro(TensorsAttribute, <span class="keywordtype">int</span>);
<a name="l00114"></a>00114 
<a name="l00116"></a>00116 
<a name="l00119"></a>00119   vtkSetMacro(ScalarsWeight, <span class="keywordtype">double</span>);
<a name="l00120"></a>00120   vtkSetMacro(VectorsWeight, <span class="keywordtype">double</span>);
<a name="l00121"></a>00121   vtkSetMacro(NormalsWeight, <span class="keywordtype">double</span>);
<a name="l00122"></a>00122   vtkSetMacro(TCoordsWeight, <span class="keywordtype">double</span>);
<a name="l00123"></a>00123   vtkSetMacro(TensorsWeight, <span class="keywordtype">double</span>);
<a name="l00124"></a>00124   vtkGetMacro(ScalarsWeight, <span class="keywordtype">double</span>);
<a name="l00125"></a>00125   vtkGetMacro(VectorsWeight, <span class="keywordtype">double</span>);
<a name="l00126"></a>00126   vtkGetMacro(NormalsWeight, <span class="keywordtype">double</span>);
<a name="l00127"></a>00127   vtkGetMacro(TCoordsWeight, <span class="keywordtype">double</span>);
<a name="l00128"></a>00128   vtkGetMacro(TensorsWeight, <span class="keywordtype">double</span>);
<a name="l00130"></a>00130   
<a name="l00132"></a>00132 
<a name="l00134"></a>00134   vtkGetMacro(ActualReduction, <span class="keywordtype">double</span>);
<a name="l00136"></a>00136 
<a name="l00137"></a>00137 <span class="keyword">protected</span>:
<a name="l00138"></a>00138   <a class="code" href="a01446.html" title="reduce the number of triangles in a mesh">vtkQuadricDecimation</a>();
<a name="l00139"></a>00139   ~<a class="code" href="a01446.html" title="reduce the number of triangles in a mesh">vtkQuadricDecimation</a>();
<a name="l00140"></a>00140 
<a name="l00141"></a>00141   <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="l00142"></a>00142 
<a name="l00145"></a>00145   <span class="keywordtype">int</span> CollapseEdge(<a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> pt0Id, <a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> pt1Id);
<a name="l00146"></a>00146 
<a name="l00148"></a>00148   <span class="keywordtype">void</span> InitializeQuadrics(<a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> numPts);
<a name="l00149"></a>00149   
<a name="l00151"></a>00151   <span class="keywordtype">void</span> AddBoundaryConstraints(<span class="keywordtype">void</span>);
<a name="l00152"></a>00152 
<a name="l00154"></a>00154   <span class="keywordtype">void</span> ComputeQuadric(<a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> pointId);
<a name="l00155"></a>00155 
<a name="l00158"></a>00158   <span class="keywordtype">void</span> AddQuadric(<a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> oldPtId, <a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> newPtId);
<a name="l00159"></a>00159   
<a name="l00161"></a>00161 
<a name="l00163"></a>00163   <span class="keywordtype">double</span> ComputeCost(<a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> edgeId, <span class="keywordtype">double</span> *x);
<a name="l00164"></a>00164   <span class="keywordtype">double</span> ComputeCost2(<a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> edgeId, <span class="keywordtype">double</span> *x);
<a name="l00166"></a>00166 
<a name="l00170"></a>00170   <span class="keywordtype">void</span> FindAffectedEdges(<a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> p1Id, <a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> p2Id, <a class="code" href="a00720.html" title="list of point or cell ids">vtkIdList</a> *<a class="code" href="a02995.html#f2e7c5aa065ddd4bd73c80382b944f78">edges</a>);
<a name="l00171"></a>00171   
<a name="l00173"></a>00173   <a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> GetEdgeCellId(<a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> p1Id, <a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> p2Id);
<a name="l00174"></a>00174 
<a name="l00175"></a>00175   <span class="keywordtype">int</span> IsGoodPlacement(<a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> pt0Id, <a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> pt1Id, <span class="keyword">const</span> <span class="keywordtype">double</span> *x);
<a name="l00176"></a>00176   <span class="keywordtype">int</span> TrianglePlaneCheck(<span class="keyword">const</span> <span class="keywordtype">double</span> t0[3], <span class="keyword">const</span> <span class="keywordtype">double</span> t1[3], 
<a name="l00177"></a>00177                          <span class="keyword">const</span> <span class="keywordtype">double</span> t2[3],  <span class="keyword">const</span> <span class="keywordtype">double</span> *x);
<a name="l00178"></a>00178   <span class="keywordtype">void</span> ComputeNumberOfComponents(<span class="keywordtype">void</span>);
<a name="l00179"></a>00179   <span class="keywordtype">void</span> UpdateEdgeData(<a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> ptoId, <a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> pt1Id);
<a name="l00180"></a>00180   
<a name="l00182"></a>00182 
<a name="l00184"></a>00184   <span class="keywordtype">void</span> SetPointAttributeArray(<a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> ptId, <span class="keyword">const</span> <span class="keywordtype">double</span> *x);
<a name="l00185"></a>00185   <span class="keywordtype">void</span> GetPointAttributeArray(<a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> ptId, <span class="keywordtype">double</span> *x);
<a name="l00187"></a>00187 
<a name="l00190"></a>00190   <span class="keywordtype">void</span> GetAttributeComponents();
<a name="l00191"></a>00191   
<a name="l00192"></a><a class="code" href="a01446.html#79bfd21cae07eb5d46e2926d0dbf11ff">00192</a>   <span class="keywordtype">double</span> TargetReduction;
<a name="l00193"></a><a class="code" href="a01446.html#a70458e1e85d7014e194857e829fed52">00193</a>   <span class="keywordtype">double</span> ActualReduction;
<a name="l00194"></a><a class="code" href="a01446.html#b7385a261d997e156949325b8c57cdd6">00194</a>   <span class="keywordtype">int</span>   AttributeErrorMetric;
<a name="l00195"></a>00195   
<a name="l00196"></a><a class="code" href="a01446.html#4aa2dea164a9b3b615dde9d082b5ef13">00196</a>   <span class="keywordtype">int</span> ScalarsAttribute;
<a name="l00197"></a><a class="code" href="a01446.html#c34e09ea4d98148c556c510d9d8875ed">00197</a>   <span class="keywordtype">int</span> VectorsAttribute;
<a name="l00198"></a><a class="code" href="a01446.html#e42912d6939dc51f861bf1758f0d539a">00198</a>   <span class="keywordtype">int</span> NormalsAttribute;
<a name="l00199"></a><a class="code" href="a01446.html#dc97214a6740e5471ef3d77d29208296">00199</a>   <span class="keywordtype">int</span> TCoordsAttribute;
<a name="l00200"></a><a class="code" href="a01446.html#d151b7232595ed11a1c00cb92d4d9e4a">00200</a>   <span class="keywordtype">int</span> TensorsAttribute;
<a name="l00201"></a>00201 
<a name="l00202"></a><a class="code" href="a01446.html#11b7a3bce98e190aaec05454a4182f94">00202</a>   <span class="keywordtype">double</span> ScalarsWeight;
<a name="l00203"></a><a class="code" href="a01446.html#4c2ce5993ec9c01c74ca904754a630cf">00203</a>   <span class="keywordtype">double</span> VectorsWeight;
<a name="l00204"></a><a class="code" href="a01446.html#ea9945432023bfe37c197cc0b3e23e34">00204</a>   <span class="keywordtype">double</span> NormalsWeight;
<a name="l00205"></a><a class="code" href="a01446.html#87d55f8ec7f9dc6de0eb18d64a5cefbc">00205</a>   <span class="keywordtype">double</span> TCoordsWeight;
<a name="l00206"></a><a class="code" href="a01446.html#998f47da5e374dc3be0729e5fcf39a7a">00206</a>   <span class="keywordtype">double</span> TensorsWeight;
<a name="l00207"></a>00207 
<a name="l00208"></a><a class="code" href="a01446.html#1059b9ab2af04880c1939e9c6062ecba">00208</a>   <span class="keywordtype">int</span>               NumberOfEdgeCollapses;
<a name="l00209"></a><a class="code" href="a01446.html#33aa1aecfd30f6a41ade376d1b660b50">00209</a>   <a class="code" href="a00453.html" title="keep track of edges (edge is pair of integer id&amp;#39;s)">vtkEdgeTable</a>     *Edges;
<a name="l00210"></a><a class="code" href="a01446.html#352c17a97814ca161d183e93fefdd43a">00210</a>   <a class="code" href="a00720.html" title="list of point or cell ids">vtkIdList</a>        *EndPoint1List;
<a name="l00211"></a><a class="code" href="a01446.html#713d0e66f28979a0cc54e82541b6eb7a">00211</a>   <a class="code" href="a00720.html" title="list of point or cell ids">vtkIdList</a>        *EndPoint2List;
<a name="l00212"></a><a class="code" href="a01446.html#792f1ff36ae120a74e2916438ae2f20a">00212</a>   <a class="code" href="a01300.html" title="an list of ids arranged in priority order">vtkPriorityQueue</a> *EdgeCosts;
<a name="l00213"></a><a class="code" href="a01446.html#1f525ac4136ad7b333a703352d5883ef">00213</a>   <a class="code" href="a00436.html" title="dynamic, self-adjusting array of double">vtkDoubleArray</a>   *TargetPoints;
<a name="l00214"></a><a class="code" href="a01446.html#5518a9fa3d104e82601a4110e3fdbd3d">00214</a>   <span class="keywordtype">int</span>               NumberOfComponents;
<a name="l00215"></a><a class="code" href="a01446.html#0b2d96ed00587b9ab898bf85e58474cd">00215</a>   <a class="code" href="a01260.html" title="concrete dataset represents vertices, lines, polygons, and triangle strips">vtkPolyData</a>      *Mesh;
<a name="l00216"></a>00216 
<a name="l00217"></a>00217   <span class="comment">//BTX</span>
<a name="l00218"></a><a class="code" href="a01447.html">00218</a>   <span class="keyword">struct </span><a class="code" href="a01447.html">ErrorQuadric</a>
<a name="l00219"></a>00219   {
<a name="l00220"></a><a class="code" href="a01447.html#9a9af4c820cf079dccc162d15e270602">00220</a>     <span class="keywordtype">double</span> *Quadric;
<a name="l00221"></a>00221   };
<a name="l00222"></a>00222   <span class="comment">//ETX</span>
<a name="l00223"></a>00223 
<a name="l00224"></a><a class="code" href="a01446.html#3c4313d06b3b43407310682b8c73f40d">00224</a>   <a class="code" href="a01447.html">ErrorQuadric</a> *ErrorQuadrics;
<a name="l00225"></a><a class="code" href="a01446.html#9825c2a1985972f902901dbdd447bc44">00225</a>   <span class="keywordtype">int</span>           AttributeComponents[6];
<a name="l00226"></a><a class="code" href="a01446.html#0ccdbe289a59c1481146e8f15e06e555">00226</a>   <span class="keywordtype">double</span>        AttributeScale[6];
<a name="l00227"></a>00227   
<a name="l00228"></a>00228   <span class="comment">// Temporary variables for performance</span>
<a name="l00229"></a><a class="code" href="a01446.html#97c267070105ecd1bd011321dc325fb6">00229</a>   <a class="code" href="a00720.html" title="list of point or cell ids">vtkIdList</a> *CollapseCellIds;
<a name="l00230"></a><a class="code" href="a01446.html#546650e127d6f50b1249373996954b2b">00230</a>   <span class="keywordtype">double</span> *TempX;
<a name="l00231"></a><a class="code" href="a01446.html#93334cd64fb88db3c1341ad2e9c94958">00231</a>   <span class="keywordtype">double</span> *TempQuad;
<a name="l00232"></a><a class="code" href="a01446.html#abbabe6d78590ea97ef45eb7efe6ac44">00232</a>   <span class="keywordtype">double</span> *TempB;
<a name="l00233"></a><a class="code" href="a01446.html#cc9578d25581684161701c6a883bf05d">00233</a>   <span class="keywordtype">double</span> **TempA;
<a name="l00234"></a><a class="code" href="a01446.html#a8bc7356be25306eba3c809ee301b505">00234</a>   <span class="keywordtype">double</span> *TempData;
<a name="l00235"></a>00235 
<a name="l00236"></a>00236 <span class="keyword">private</span>:
<a name="l00237"></a>00237   <a class="code" href="a01446.html" title="reduce the number of triangles in a mesh">vtkQuadricDecimation</a>(<span class="keyword">const</span> <a class="code" href="a01446.html" title="reduce the number of triangles in a mesh">vtkQuadricDecimation</a>&amp;);  <span class="comment">// Not implemented.</span>
<a name="l00238"></a>00238   <span class="keywordtype">void</span> operator=(<span class="keyword">const</span> <a class="code" href="a01446.html" title="reduce the number of triangles in a mesh">vtkQuadricDecimation</a>&amp;);  <span class="comment">// Not implemented.</span>
<a name="l00239"></a>00239 };
<a name="l00240"></a>00240 
<a name="l00241"></a>00241 <span class="preprocessor">#endif</span>
</pre></div></div>
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