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<h1>dox/Infovis/vtkConstrained2DLayoutStrategy.h</h1><a href="a03007.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: vtkConstrained2DLayoutStrategy.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="l00015"></a>00015 <span class="comment">/*-------------------------------------------------------------------------</span>
<a name="l00016"></a>00016 <span class="comment">  Copyright 2008 Sandia Corporation.</span>
<a name="l00017"></a>00017 <span class="comment">  Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,</span>
<a name="l00018"></a>00018 <span class="comment">  the U.S. Government retains certain rights in this software.</span>
<a name="l00019"></a>00019 <span class="comment">-------------------------------------------------------------------------*/</span>
<a name="l00041"></a>00041 <span class="preprocessor">#ifndef __vtkConstrained2DLayoutStrategy_h</span>
<a name="l00042"></a>00042 <span class="preprocessor"></span><span class="preprocessor">#define __vtkConstrained2DLayoutStrategy_h</span>
<a name="l00043"></a>00043 <span class="preprocessor"></span>
<a name="l00044"></a>00044 <span class="preprocessor">#include "<a class="code" href="a03027.html">vtkGraphLayoutStrategy.h</a>"</span>
<a name="l00045"></a>00045 
<a name="l00046"></a>00046 <span class="preprocessor">#include "<a class="code" href="a02127.html">vtkSmartPointer.h</a>"</span>    <span class="comment">// Required for smart pointer internal ivars.</span>
<a name="l00047"></a>00047 
<a name="l00048"></a>00048 <span class="keyword">class </span><a class="code" href="a00535.html" title="A splatter optimized for splatting single kernels.">vtkFastSplatter</a>;
<a name="l00049"></a>00049 <span class="keyword">class </span><a class="code" href="a00751.html" title="topologically and geometrically regular array of data">vtkImageData</a>;
<a name="l00050"></a>00050 <span class="keyword">class </span><a class="code" href="a00556.html" title="dynamic, self-adjusting array of float">vtkFloatArray</a>;
<a name="l00051"></a>00051 
<a name="l00052"></a><a class="code" href="a00318.html">00052</a> <span class="keyword">class </span><a class="code" href="a02170.html#73f1c245b8811be3c4b76b0a89784e70">VTK_INFOVIS_EXPORT</a> <a class="code" href="a00318.html" title="a simple fast 2D graph layout that looks for a &amp;#39;constraint&amp;#39; array (vtkDoubleArray)...">vtkConstrained2DLayoutStrategy</a> : <span class="keyword">public</span> <a class="code" href="a00667.html" title="abstract superclass for all graph layout strategies">vtkGraphLayoutStrategy</a> 
<a name="l00053"></a>00053 {
<a name="l00054"></a>00054 <span class="keyword">public</span>:
<a name="l00055"></a>00055   <span class="keyword">static</span> <a class="code" href="a00318.html" title="a simple fast 2D graph layout that looks for a &amp;#39;constraint&amp;#39; array (vtkDoubleArray)...">vtkConstrained2DLayoutStrategy</a> *<a class="code" href="a01084.html#4d5b227267c076d6f9e38483370b6612">New</a>();
<a name="l00056"></a>00056 
<a name="l00057"></a><a class="code" href="a00318.html#9cfb50a4197c3f431b9dc755f30660a9">00057</a>   vtkTypeRevisionMacro(<a class="code" href="a00318.html" title="a simple fast 2D graph layout that looks for a &amp;#39;constraint&amp;#39; array (vtkDoubleArray)...">vtkConstrained2DLayoutStrategy</a>, <a class="code" href="a00667.html" title="abstract superclass for all graph layout strategies">vtkGraphLayoutStrategy</a>);
<a name="l00058"></a>00058   <span class="keywordtype">void</span> <a class="code" href="a00667.html#920e5873c1be5fe0b75c11beca20ed4b">PrintSelf</a>(ostream&amp; os, <a class="code" href="a00869.html" title="a simple class to control print indentation">vtkIndent</a> indent);
<a name="l00059"></a>00059 
<a name="l00061"></a>00061 
<a name="l00064"></a>00064   vtkSetClampMacro(RandomSeed, <span class="keywordtype">int</span>, 0, <a class="code" href="a02149.html#804f55a35836c1770f9176f3a01c4d5e">VTK_LARGE_INTEGER</a>);
<a name="l00065"></a>00065   vtkGetMacro(RandomSeed, <span class="keywordtype">int</span>);
<a name="l00067"></a>00067 
<a name="l00069"></a>00069 
<a name="l00074"></a>00074   vtkSetClampMacro(MaxNumberOfIterations, <span class="keywordtype">int</span>, 0, <a class="code" href="a02149.html#804f55a35836c1770f9176f3a01c4d5e">VTK_LARGE_INTEGER</a>);
<a name="l00075"></a>00075   vtkGetMacro(MaxNumberOfIterations, <span class="keywordtype">int</span>);
<a name="l00077"></a>00077   
<a name="l00079"></a>00079 
<a name="l00083"></a>00083   vtkSetClampMacro(IterationsPerLayout, <span class="keywordtype">int</span>, 0, <a class="code" href="a02149.html#804f55a35836c1770f9176f3a01c4d5e">VTK_LARGE_INTEGER</a>);
<a name="l00084"></a>00084   vtkGetMacro(IterationsPerLayout, <span class="keywordtype">int</span>);
<a name="l00086"></a>00086 
<a name="l00088"></a>00088 
<a name="l00091"></a>00091   vtkSetClampMacro(InitialTemperature, <span class="keywordtype">float</span>, 0.0, <a class="code" href="a02149.html#f90f70cb5ac68abc5389df442fb18b0b">VTK_FLOAT_MAX</a>);
<a name="l00092"></a>00092   vtkGetMacro(InitialTemperature, <span class="keywordtype">float</span>);
<a name="l00094"></a>00094   
<a name="l00096"></a>00096 
<a name="l00100"></a>00100   vtkSetClampMacro(CoolDownRate, <span class="keywordtype">double</span>, 0.01, <a class="code" href="a02149.html#a933eb1ff8ef089de59cce7b41e21261">VTK_DOUBLE_MAX</a>);
<a name="l00101"></a>00101   vtkGetMacro(CoolDownRate, <span class="keywordtype">double</span>);
<a name="l00103"></a>00103   
<a name="l00104"></a>00104   
<a name="l00106"></a>00106 
<a name="l00108"></a>00108   vtkSetMacro(RestDistance, <span class="keywordtype">float</span>);
<a name="l00109"></a>00109   vtkGetMacro(RestDistance, <span class="keywordtype">float</span>);
<a name="l00111"></a>00111 
<a name="l00114"></a>00114   <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="a00667.html#9995da8160277734ae47752207211853">Initialize</a>();
<a name="l00115"></a>00115   
<a name="l00120"></a>00120   <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="a00667.html#14f90ab69c42daa54714afdf45fe0148">Layout</a>();
<a name="l00121"></a>00121   
<a name="l00124"></a><a class="code" href="a00318.html#6df9f6c2dbb12017869c73f3ebd526e1">00124</a>   <span class="keyword">virtual</span> <span class="keywordtype">int</span> <a class="code" href="a00667.html#450d0806be9831a70c76fa179b0cb4d3">IsLayoutComplete</a>() {<span class="keywordflow">return</span> this-&gt;LayoutComplete;}
<a name="l00125"></a>00125   
<a name="l00127"></a>00127 
<a name="l00129"></a>00129   vtkSetStringMacro(InputArrayName);
<a name="l00130"></a>00130   vtkGetStringMacro(InputArrayName);
<a name="l00132"></a>00132 
<a name="l00133"></a>00133 <span class="keyword">protected</span>:
<a name="l00134"></a>00134   <a class="code" href="a00318.html" title="a simple fast 2D graph layout that looks for a &amp;#39;constraint&amp;#39; array (vtkDoubleArray)...">vtkConstrained2DLayoutStrategy</a>();
<a name="l00135"></a>00135   ~<a class="code" href="a00318.html" title="a simple fast 2D graph layout that looks for a &amp;#39;constraint&amp;#39; array (vtkDoubleArray)...">vtkConstrained2DLayoutStrategy</a>();
<a name="l00136"></a>00136 
<a name="l00137"></a><a class="code" href="a00318.html#9ddf3ea46e6fd6fc239375868a212ddd">00137</a>   <span class="keywordtype">int</span>    MaxNumberOfIterations;  <span class="comment">//Maximum number of iterations.</span>
<a name="l00138"></a><a class="code" href="a00318.html#2d66aadce74b491ec701f494d8030112">00138</a>   <span class="keywordtype">float</span>  InitialTemperature;
<a name="l00139"></a><a class="code" href="a00318.html#5c8837e185a69de31408432248297728">00139</a>   <span class="keywordtype">float</span>  CoolDownRate;  <span class="comment">//Cool-down rate.  Note:  Higher # = Slower rate.</span>
<a name="l00140"></a>00140 
<a name="l00141"></a>00141 <span class="keyword">private</span>:
<a name="l00142"></a>00142 
<a name="l00143"></a>00143   <span class="comment">//BTX</span>
<a name="l00144"></a>00144 
<a name="l00145"></a>00145   <span class="comment">// An edge consists of two vertices joined together.</span>
<a name="l00146"></a>00146   <span class="comment">// This struct acts as a "pointer" to those two vertices.</span>
<a name="l00147"></a>00147   <span class="keyword">typedef</span> <span class="keyword">struct </span>
<a name="l00148"></a>00148   {
<a name="l00149"></a>00149     <a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> from;
<a name="l00150"></a>00150     <a class="code" href="a02149.html#20bd6b6dedfe1bbb096c50354d52cc7e">vtkIdType</a> to;
<a name="l00151"></a>00151     <span class="keywordtype">float</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d210bb2d78b6580449dd87039b05077e2f0d">weight</a>;
<a name="l00152"></a>00152   } vtkLayoutEdge;
<a name="l00153"></a>00153   
<a name="l00154"></a>00154   <span class="comment">// This class 'has a' vtkFastSplatter for the density grid</span>
<a name="l00155"></a>00155   <a class="code" href="a01562.html" title="Hold a reference to a vtkObjectBase instance.">vtkSmartPointer&lt;vtkFastSplatter&gt;</a>        DensityGrid;
<a name="l00156"></a>00156   <a class="code" href="a01562.html" title="Hold a reference to a vtkObjectBase instance.">vtkSmartPointer&lt;vtkImageData&gt;</a>           SplatImage;
<a name="l00157"></a>00157   <a class="code" href="a01562.html" title="Hold a reference to a vtkObjectBase instance.">vtkSmartPointer&lt;vtkFloatArray&gt;</a>          RepulsionArray;
<a name="l00158"></a>00158   <a class="code" href="a01562.html" title="Hold a reference to a vtkObjectBase instance.">vtkSmartPointer&lt;vtkFloatArray&gt;</a>          AttractionArray;
<a name="l00159"></a>00159   <span class="comment">//ETX</span>
<a name="l00160"></a>00160   
<a name="l00161"></a>00161   vtkLayoutEdge *EdgeArray;
<a name="l00162"></a>00162 
<a name="l00163"></a>00163   <span class="keywordtype">int</span> RandomSeed;
<a name="l00164"></a>00164   <span class="keywordtype">int</span> IterationsPerLayout;
<a name="l00165"></a>00165   <span class="keywordtype">int</span> TotalIterations;
<a name="l00166"></a>00166   <span class="keywordtype">int</span> LayoutComplete;
<a name="l00167"></a>00167   <span class="keywordtype">float</span> Temp;
<a name="l00168"></a>00168   <span class="keywordtype">float</span> RestDistance;
<a name="l00169"></a>00169   
<a name="l00170"></a>00170   <span class="keywordtype">char</span>* InputArrayName;
<a name="l00171"></a>00171   
<a name="l00172"></a>00172   <span class="comment">// Private helper methods</span>
<a name="l00173"></a>00173   <span class="keywordtype">void</span> GenerateCircularSplat(<a class="code" href="a00751.html" title="topologically and geometrically regular array of data">vtkImageData</a> *splat, <span class="keywordtype">int</span> x, <span class="keywordtype">int</span> y);
<a name="l00174"></a>00174   <span class="keywordtype">void</span> GenerateGaussianSplat(<a class="code" href="a00751.html" title="topologically and geometrically regular array of data">vtkImageData</a> *splat, <span class="keywordtype">int</span> x, <span class="keywordtype">int</span> y);
<a name="l00175"></a>00175   <span class="keywordtype">void</span> ResolveCoincidentVertices();
<a name="l00176"></a>00176 
<a name="l00177"></a>00177   <a class="code" href="a00318.html" title="a simple fast 2D graph layout that looks for a &amp;#39;constraint&amp;#39; array (vtkDoubleArray)...">vtkConstrained2DLayoutStrategy</a>(<span class="keyword">const</span> <a class="code" href="a00318.html" title="a simple fast 2D graph layout that looks for a &amp;#39;constraint&amp;#39; array (vtkDoubleArray)...">vtkConstrained2DLayoutStrategy</a>&amp;);  <span class="comment">// Not implemented.</span>
<a name="l00178"></a>00178   <span class="keywordtype">void</span> operator=(<span class="keyword">const</span> <a class="code" href="a00318.html" title="a simple fast 2D graph layout that looks for a &amp;#39;constraint&amp;#39; array (vtkDoubleArray)...">vtkConstrained2DLayoutStrategy</a>&amp;);  <span class="comment">// Not implemented.</span>
<a name="l00179"></a>00179 };
<a name="l00180"></a>00180 
<a name="l00181"></a>00181 <span class="preprocessor">#endif</span>
<a name="l00182"></a>00182 <span class="preprocessor"></span>
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