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<h1>dox/VolumeRendering/vtkFixedPointVolumeRayCastMapper.h</h1><a href="a03610.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: vtkFixedPointVolumeRayCastMapper.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="l00061"></a>00061 <span class="preprocessor">#ifndef __vtkFixedPointVolumeRayCastMapper_h</span>
<a name="l00062"></a>00062 <span class="preprocessor"></span><span class="preprocessor">#define __vtkFixedPointVolumeRayCastMapper_h</span>
<a name="l00063"></a>00063 <span class="preprocessor"></span>
<a name="l00064"></a>00064 <span class="preprocessor">#include "<a class="code" href="a03637.html">vtkVolumeMapper.h</a>"</span>
<a name="l00065"></a>00065
<a name="l00066"></a><a class="code" href="a03610.html#79f3842826032e2162a3d0db69e1cc9c">00066</a> <span class="preprocessor">#define VTKKW_FP_SHIFT 15</span>
<a name="l00067"></a><a class="code" href="a03610.html#3c7c803abc2fc2baa81006313306ed6f">00067</a> <span class="preprocessor"></span><span class="preprocessor">#define VTKKW_FPMM_SHIFT 17</span>
<a name="l00068"></a><a class="code" href="a03610.html#94a07d5499d7e0bd1befbd6edd4e4650">00068</a> <span class="preprocessor"></span><span class="preprocessor">#define VTKKW_FP_MASK 0x7fff</span>
<a name="l00069"></a><a class="code" href="a03610.html#4adc90ea70b44ee80f840f544ae43111">00069</a> <span class="preprocessor"></span><span class="preprocessor">#define VTKKW_FP_SCALE 32767.0</span>
<a name="l00070"></a>00070 <span class="preprocessor"></span>
<a name="l00071"></a>00071 <span class="keyword">class </span><a class="code" href="a00998.html" title="represent and manipulate 4x4 transformation matrices">vtkMatrix4x4</a>;
<a name="l00072"></a>00072 <span class="keyword">class </span><a class="code" href="a01064.html" title="A class for performing multithreaded execution.">vtkMultiThreader</a>;
<a name="l00073"></a>00073 <span class="keyword">class </span><a class="code" href="a01225.html" title="maintain a list of planes">vtkPlaneCollection</a>;
<a name="l00074"></a>00074 <span class="keyword">class </span><a class="code" href="a01480.html" title="abstract specification for renderers">vtkRenderer</a>;
<a name="l00075"></a>00075 <span class="keyword">class </span><a class="code" href="a01715.html" title="Timer support and logging.">vtkTimerLog</a>;
<a name="l00076"></a>00076 <span class="keyword">class </span><a class="code" href="a01839.html" title="represents a volume (data &amp; properties) in a rendered scene">vtkVolume</a>;
<a name="l00077"></a>00077 <span class="keyword">class </span><a class="code" href="a01723.html" title="describes linear transformations via a 4x4 matrix">vtkTransform</a>;
<a name="l00078"></a>00078 <span class="keyword">class </span><a class="code" href="a01489.html" title="create a window for renderers to draw into">vtkRenderWindow</a>;
<a name="l00079"></a>00079 <span class="keyword">class </span><a class="code" href="a00290.html" title="Defines a transfer function for mapping a property to an RGB color value.">vtkColorTransferFunction</a>;
<a name="l00080"></a>00080 <span class="keyword">class </span><a class="code" href="a01215.html" title="Defines a 1D piecewise function.">vtkPiecewiseFunction</a>;
<a name="l00081"></a>00081 <span class="keyword">class </span><a class="code" href="a00554.html" title="A helper that generates MIP images for the volume ray cast mapper.">vtkFixedPointVolumeRayCastMIPHelper</a>;
<a name="l00082"></a>00082 <span class="keyword">class </span><a class="code" href="a00550.html" title="A helper that generates composite images for the volume ray cast mapper.">vtkFixedPointVolumeRayCastCompositeHelper</a>;
<a name="l00083"></a>00083 <span class="keyword">class </span><a class="code" href="a00548.html" title="A helper that generates composite images for the volume ray cast mapper.">vtkFixedPointVolumeRayCastCompositeGOHelper</a>;
<a name="l00084"></a>00084 <span class="keyword">class </span><a class="code" href="a00549.html" title="A helper that generates composite images for the volume ray cast mapper.">vtkFixedPointVolumeRayCastCompositeGOShadeHelper</a>;
<a name="l00085"></a>00085 <span class="keyword">class </span><a class="code" href="a00551.html" title="A helper that generates composite images for the volume ray cast mapper.">vtkFixedPointVolumeRayCastCompositeShadeHelper</a>;
<a name="l00086"></a>00086 <span class="keyword">class </span><a class="code" href="a00423.html" title="encode a direction into a one or two byte value">vtkDirectionEncoder</a>;
<a name="l00087"></a>00087 <span class="keyword">class </span><a class="code" href="a00460.html" title="Compute shading tables for encoded normals.">vtkEncodedGradientShader</a>;
<a name="l00088"></a>00088 <span class="keyword">class </span><a class="code" href="a00546.html" title="Use finite differences to estimate gradient.">vtkFiniteDifferenceGradientEstimator</a>;
<a name="l00089"></a>00089 <span class="keyword">class </span><a class="code" href="a01454.html" title="helper class that draws the image to the screen">vtkRayCastImageDisplayHelper</a>;
<a name="l00090"></a>00090 <span class="keyword">class </span><a class="code" href="a00547.html" title="helper class for a ray cast image">vtkFixedPointRayCastImage</a>;
<a name="l00091"></a>00091 <span class="keyword">class </span><a class="code" href="a00356.html" title="abstract superclass for arrays of numeric data">vtkDataArray</a>;
<a name="l00092"></a>00092
<a name="l00093"></a>00093 <span class="comment">//BTX</span>
<a name="l00094"></a>00094 <span class="comment">// Forward declaration needed for use by friend declaration below.</span>
<a name="l00095"></a>00095 <a class="code" href="a02139.html#857b028df0e7a06db6bb78f368456609">VTK_THREAD_RETURN_TYPE</a> <a class="code" href="a03610.html#e20ddcf418a0eab597b1e1257643f0e5">FixedPointVolumeRayCastMapper_CastRays</a>( <span class="keywordtype">void</span> *arg );
<a name="l00096"></a>00096 <a class="code" href="a02139.html#857b028df0e7a06db6bb78f368456609">VTK_THREAD_RETURN_TYPE</a> <a class="code" href="a03610.html#a4ffaefabc43b0bb81f47fc54cfb4be5">vtkFPVRCMSwitchOnDataType</a>( <span class="keywordtype">void</span> *arg );
<a name="l00097"></a>00097 <span class="comment">//ETX</span>
<a name="l00098"></a>00098
<a name="l00099"></a><a class="code" href="a00553.html">00099</a> <span class="keyword">class </span><a class="code" href="a02170.html#4c512a1c00e5052ca1bbef09929dba95">VTK_VOLUMERENDERING_EXPORT</a> <a class="code" href="a00553.html" title="A fixed point mapper for volumes.">vtkFixedPointVolumeRayCastMapper</a> : <span class="keyword">public</span> <a class="code" href="a01842.html" title="Abstract class for a volume mapper.">vtkVolumeMapper</a>
<a name="l00100"></a>00100 {
<a name="l00101"></a>00101 <span class="keyword">public</span>:
<a name="l00102"></a>00102 <span class="keyword">static</span> <a class="code" href="a00553.html" title="A fixed point mapper for volumes.">vtkFixedPointVolumeRayCastMapper</a> *<a class="code" href="a00101.html#06d80d8d4aa1a4856135fa003845be82">New</a>();
<a name="l00103"></a><a class="code" href="a00553.html#65d64f80437bbd8eb476a3dad0789075">00103</a> vtkTypeRevisionMacro(<a class="code" href="a00553.html" title="A fixed point mapper for volumes.">vtkFixedPointVolumeRayCastMapper</a>,<a class="code" href="a01842.html" title="Abstract class for a volume mapper.">vtkVolumeMapper</a>);
<a name="l00104"></a>00104 <span class="keywordtype">void</span> <a class="code" href="a01842.html#c10b8ff05d59e192b9c4152cf80b2089">PrintSelf</a>( ostream& os, <a class="code" href="a00869.html" title="a simple class to control print indentation">vtkIndent</a> indent );
<a name="l00105"></a>00105
<a name="l00107"></a>00107
<a name="l00110"></a>00110 vtkSetMacro( SampleDistance, <span class="keywordtype">float</span> );
<a name="l00111"></a>00111 vtkGetMacro( SampleDistance, <span class="keywordtype">float</span> );
<a name="l00113"></a>00113
<a name="l00115"></a>00115
<a name="l00121"></a>00121 vtkSetMacro( InteractiveSampleDistance, <span class="keywordtype">float</span> );
<a name="l00122"></a>00122 vtkGetMacro( InteractiveSampleDistance, <span class="keywordtype">float</span> );
<a name="l00124"></a>00124
<a name="l00126"></a>00126
<a name="l00131"></a>00131 vtkSetClampMacro( ImageSampleDistance, <span class="keywordtype">float</span>, 0.1f, 100.0f );
<a name="l00132"></a>00132 vtkGetMacro( ImageSampleDistance, <span class="keywordtype">float</span> );
<a name="l00134"></a>00134
<a name="l00136"></a>00136
<a name="l00138"></a>00138 vtkSetClampMacro( MinimumImageSampleDistance, <span class="keywordtype">float</span>, 0.1f, 100.0f );
<a name="l00139"></a>00139 vtkGetMacro( MinimumImageSampleDistance, <span class="keywordtype">float</span> );
<a name="l00141"></a>00141
<a name="l00143"></a>00143
<a name="l00145"></a>00145 vtkSetClampMacro( MaximumImageSampleDistance, <span class="keywordtype">float</span>, 0.1f, 100.0f );
<a name="l00146"></a>00146 vtkGetMacro( MaximumImageSampleDistance, <span class="keywordtype">float</span> );
<a name="l00148"></a>00148
<a name="l00150"></a>00150
<a name="l00157"></a>00157 vtkSetClampMacro( AutoAdjustSampleDistances, <span class="keywordtype">int</span>, 0, 1 );
<a name="l00158"></a>00158 vtkGetMacro( AutoAdjustSampleDistances, <span class="keywordtype">int</span> );
<a name="l00159"></a>00159 vtkBooleanMacro( AutoAdjustSampleDistances, <span class="keywordtype">int</span> );
<a name="l00161"></a>00161
<a name="l00163"></a>00163
<a name="l00170"></a>00170 vtkSetClampMacro( LockSampleDistanceToInputSpacing, <span class="keywordtype">int</span>, 0, 1 );
<a name="l00171"></a>00171 vtkGetMacro( LockSampleDistanceToInputSpacing, <span class="keywordtype">int</span> );
<a name="l00172"></a>00172 vtkBooleanMacro( LockSampleDistanceToInputSpacing, <span class="keywordtype">int</span> );
<a name="l00174"></a>00174
<a name="l00176"></a>00176
<a name="l00178"></a>00178 <span class="keywordtype">void</span> SetNumberOfThreads( <span class="keywordtype">int</span> num );
<a name="l00179"></a>00179 <span class="keywordtype">int</span> GetNumberOfThreads();
<a name="l00181"></a>00181
<a name="l00183"></a>00183
<a name="l00185"></a>00185 vtkSetClampMacro( IntermixIntersectingGeometry, <span class="keywordtype">int</span>, 0, 1 );
<a name="l00186"></a>00186 vtkGetMacro( IntermixIntersectingGeometry, <span class="keywordtype">int</span> );
<a name="l00187"></a>00187 vtkBooleanMacro( IntermixIntersectingGeometry, <span class="keywordtype">int</span> );
<a name="l00189"></a>00189
<a name="l00191"></a>00191
<a name="l00197"></a>00197 <span class="keywordtype">float</span> ComputeRequiredImageSampleDistance( <span class="keywordtype">float</span> desiredTime,
<a name="l00198"></a>00198 <a class="code" href="a01480.html" title="abstract specification for renderers">vtkRenderer</a> *ren );
<a name="l00199"></a>00199 <span class="keywordtype">float</span> ComputeRequiredImageSampleDistance( <span class="keywordtype">float</span> desiredTime,
<a name="l00200"></a>00200 <a class="code" href="a01480.html" title="abstract specification for renderers">vtkRenderer</a> *ren,
<a name="l00201"></a>00201 <a class="code" href="a01839.html" title="represents a volume (data &amp; properties) in a rendered scene">vtkVolume</a> *vol );
<a name="l00203"></a>00203
<a name="l00204"></a>00204 <span class="comment">//BTX</span>
<a name="l00207"></a>00207 <span class="comment"></span> <span class="keywordtype">void</span> <a class="code" href="a01842.html#a99c9410f41a2e78d89ad503d9b955eb">Render</a>( <a class="code" href="a01480.html" title="abstract specification for renderers">vtkRenderer</a> *, <a class="code" href="a01839.html" title="represents a volume (data &amp; properties) in a rendered scene">vtkVolume</a> * );
<a name="l00208"></a>00208
<a name="l00209"></a>00209 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> ToFixedPointPosition( <span class="keywordtype">float</span> val );
<a name="l00210"></a>00210 <span class="keywordtype">void</span> ToFixedPointPosition( <span class="keywordtype">float</span> in[3], <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> out[3] );
<a name="l00211"></a>00211 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> ToFixedPointDirection( <span class="keywordtype">float</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d210652910e0524bce5b8ec2644cad351b81">dir</a> );
<a name="l00212"></a>00212 <span class="keywordtype">void</span> ToFixedPointDirection( <span class="keywordtype">float</span> in[3], <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> out[3] );
<a name="l00213"></a>00213 <span class="keywordtype">void</span> FixedPointIncrement( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d210d43ac71820d660e3c543657c794b3d8c">position</a>[3], <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> increment[3] );
<a name="l00214"></a>00214 <span class="keywordtype">void</span> GetFloatTripleFromPointer( <span class="keywordtype">float</span> v[3], <span class="keywordtype">float</span> *ptr );
<a name="l00215"></a>00215 <span class="keywordtype">void</span> GetUIntTripleFromPointer( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> v[3], <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *ptr );
<a name="l00216"></a>00216 <span class="keywordtype">void</span> ShiftVectorDown( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> in[3], <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> out[3] );
<a name="l00217"></a>00217 <span class="keywordtype">int</span> CheckMinMaxVolumeFlag( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> pos[3], <span class="keywordtype">int</span> c );
<a name="l00218"></a>00218 <span class="keywordtype">int</span> CheckMIPMinMaxVolumeFlag( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> pos[3], <span class="keywordtype">int</span> c, <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> maxIdx, <span class="keywordtype">int</span> flip );
<a name="l00219"></a>00219
<a name="l00220"></a>00220 <span class="keywordtype">void</span> LookupColorUC( <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> *colorTable,
<a name="l00221"></a>00221 <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> *scalarOpacityTable,
<a name="l00222"></a>00222 <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d210e519c5019582479480124c44722a451f">index</a>,
<a name="l00223"></a>00223 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d210ab06a058f9ffb559855ff8495aa7e53e">color</a>[4] );
<a name="l00224"></a>00224 <span class="keywordtype">void</span> LookupDependentColorUC( <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> *colorTable,
<a name="l00225"></a>00225 <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> *scalarOpacityTable,
<a name="l00226"></a>00226 <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d210e519c5019582479480124c44722a451f">index</a>[4],
<a name="l00227"></a>00227 <span class="keywordtype">int</span> components,
<a name="l00228"></a>00228 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d210ab06a058f9ffb559855ff8495aa7e53e">color</a>[4] );
<a name="l00229"></a>00229 <span class="keywordtype">void</span> LookupAndCombineIndependentColorsUC(
<a name="l00230"></a>00230 <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> *colorTable[4],
<a name="l00231"></a>00231 <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> *scalarOpacityTable[4],
<a name="l00232"></a>00232 <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d210e519c5019582479480124c44722a451f">index</a>[4],
<a name="l00233"></a>00233 <span class="keywordtype">float</span> weights[4],
<a name="l00234"></a>00234 <span class="keywordtype">int</span> components,
<a name="l00235"></a>00235 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d210ab06a058f9ffb559855ff8495aa7e53e">color</a>[4] );
<a name="l00236"></a>00236 <span class="keywordtype">int</span> CheckIfCropped( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> pos[3] );
<a name="l00237"></a>00237
<a name="l00238"></a>00238 <span class="comment">//ETX</span>
<a name="l00239"></a>00239
<a name="l00240"></a>00240 vtkGetObjectMacro( RenderWindow, <a class="code" href="a01489.html" title="create a window for renderers to draw into">vtkRenderWindow</a> );
<a name="l00241"></a>00241 vtkGetObjectMacro( MIPHelper, <a class="code" href="a00554.html" title="A helper that generates MIP images for the volume ray cast mapper.">vtkFixedPointVolumeRayCastMIPHelper</a> );
<a name="l00242"></a>00242 vtkGetObjectMacro( CompositeHelper, <a class="code" href="a00550.html" title="A helper that generates composite images for the volume ray cast mapper.">vtkFixedPointVolumeRayCastCompositeHelper</a> );
<a name="l00243"></a>00243 vtkGetObjectMacro( CompositeGOHelper, <a class="code" href="a00548.html" title="A helper that generates composite images for the volume ray cast mapper.">vtkFixedPointVolumeRayCastCompositeGOHelper</a> );
<a name="l00244"></a>00244 vtkGetObjectMacro( CompositeGOShadeHelper, <a class="code" href="a00549.html" title="A helper that generates composite images for the volume ray cast mapper.">vtkFixedPointVolumeRayCastCompositeGOShadeHelper</a> );
<a name="l00245"></a>00245 vtkGetObjectMacro( CompositeShadeHelper, <a class="code" href="a00551.html" title="A helper that generates composite images for the volume ray cast mapper.">vtkFixedPointVolumeRayCastCompositeShadeHelper</a> );
<a name="l00246"></a>00246 vtkGetVectorMacro( TableShift, <span class="keywordtype">float</span>, 4 );
<a name="l00247"></a>00247 vtkGetVectorMacro( TableScale, <span class="keywordtype">float</span>, 4 );
<a name="l00248"></a>00248 vtkGetMacro( ShadingRequired, <span class="keywordtype">int</span> );
<a name="l00249"></a>00249 vtkGetMacro( GradientOpacityRequired, <span class="keywordtype">int</span> );
<a name="l00250"></a>00250
<a name="l00251"></a>00251 vtkGetObjectMacro( CurrentScalars, <a class="code" href="a00356.html" title="abstract superclass for arrays of numeric data">vtkDataArray</a> );
<a name="l00252"></a>00252 vtkGetObjectMacro( PreviousScalars, <a class="code" href="a00356.html" title="abstract superclass for arrays of numeric data">vtkDataArray</a> );
<a name="l00253"></a>00253
<a name="l00254"></a>00254
<a name="l00255"></a><a class="code" href="a00553.html#d667b75ff87b4814b2a018894063cc30">00255</a> <span class="keywordtype">int</span> *GetRowBounds() {<span class="keywordflow">return</span> this->RowBounds;}
<a name="l00256"></a><a class="code" href="a00553.html#9537d6073c706bc1d21d31c07ed7db83">00256</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> *GetColorTable(<span class="keywordtype">int</span> c) {<span class="keywordflow">return</span> this->ColorTable[c];}
<a name="l00257"></a><a class="code" href="a00553.html#6b86828fb445a92bcf73b63c8cc787f8">00257</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> *GetScalarOpacityTable(<span class="keywordtype">int</span> c) {<span class="keywordflow">return</span> this->ScalarOpacityTable[c];}
<a name="l00258"></a><a class="code" href="a00553.html#9cbbcb61128eacd9d6ebe8b8ecf0911d">00258</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> *GetGradientOpacityTable(<span class="keywordtype">int</span> c) {<span class="keywordflow">return</span> this->GradientOpacityTable[c];}
<a name="l00259"></a><a class="code" href="a00553.html#7971885f0ad7aa66365be61bc448962d">00259</a> <a class="code" href="a01839.html" title="represents a volume (data &amp; properties) in a rendered scene">vtkVolume</a> *GetVolume() {<span class="keywordflow">return</span> this->Volume;}
<a name="l00260"></a><a class="code" href="a00553.html#e64b2d3bb14a5cefa556fb75d3bd0da4">00260</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> **GetGradientNormal() {<span class="keywordflow">return</span> this->GradientNormal;}
<a name="l00261"></a><a class="code" href="a00553.html#979183183115235dbed88bcf43ba9be4">00261</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> **GetGradientMagnitude() {<span class="keywordflow">return</span> this->GradientMagnitude;}
<a name="l00262"></a><a class="code" href="a00553.html#12efc4c59a12aa405638f7d793f5994c">00262</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> *GetDiffuseShadingTable(<span class="keywordtype">int</span> c) {<span class="keywordflow">return</span> this->DiffuseShadingTable[c];}
<a name="l00263"></a><a class="code" href="a00553.html#36510b0982a505020fdaa89715504ccf">00263</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> *GetSpecularShadingTable(<span class="keywordtype">int</span> c) {<span class="keywordflow">return</span> this->SpecularShadingTable[c];}
<a name="l00264"></a>00264
<a name="l00265"></a>00265 <span class="keywordtype">void</span> ComputeRayInfo( <span class="keywordtype">int</span> x, <span class="keywordtype">int</span> y,
<a name="l00266"></a>00266 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> pos[3],
<a name="l00267"></a>00267 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d210652910e0524bce5b8ec2644cad351b81">dir</a>[3],
<a name="l00268"></a>00268 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *numSteps );
<a name="l00269"></a>00269
<a name="l00270"></a>00270 <span class="keywordtype">void</span> InitializeRayInfo( <a class="code" href="a01839.html" title="represents a volume (data &amp; properties) in a rendered scene">vtkVolume</a> *vol );
<a name="l00271"></a>00271
<a name="l00272"></a>00272 <span class="keywordtype">int</span> ShouldUseNearestNeighborInterpolation( <a class="code" href="a01839.html" title="represents a volume (data &amp; properties) in a rendered scene">vtkVolume</a> *vol );
<a name="l00273"></a>00273
<a name="l00275"></a>00275
<a name="l00278"></a>00278 <span class="keywordtype">void</span> SetRayCastImage( <a class="code" href="a00547.html" title="helper class for a ray cast image">vtkFixedPointRayCastImage</a> * );
<a name="l00279"></a>00279 vtkGetObjectMacro( RayCastImage, <a class="code" href="a00547.html" title="helper class for a ray cast image">vtkFixedPointRayCastImage</a> );
<a name="l00281"></a>00281
<a name="l00282"></a>00282 <span class="keywordtype">int</span> PerImageInitialization( <a class="code" href="a01480.html" title="abstract specification for renderers">vtkRenderer</a> *, <a class="code" href="a01839.html" title="represents a volume (data &amp; properties) in a rendered scene">vtkVolume</a> *, <span class="keywordtype">int</span>,
<a name="l00283"></a>00283 <span class="keywordtype">double</span> *, <span class="keywordtype">double</span> *, <span class="keywordtype">int</span> * );
<a name="l00284"></a>00284 <span class="keywordtype">void</span> PerVolumeInitialization( <a class="code" href="a01480.html" title="abstract specification for renderers">vtkRenderer</a> *, <a class="code" href="a01839.html" title="represents a volume (data &amp; properties) in a rendered scene">vtkVolume</a> * );
<a name="l00285"></a>00285 <span class="keywordtype">void</span> PerSubVolumeInitialization( <a class="code" href="a01480.html" title="abstract specification for renderers">vtkRenderer</a> *, <a class="code" href="a01839.html" title="represents a volume (data &amp; properties) in a rendered scene">vtkVolume</a> *, <span class="keywordtype">int</span> );
<a name="l00286"></a>00286 <span class="keywordtype">void</span> RenderSubVolume();
<a name="l00287"></a>00287 <span class="keywordtype">void</span> DisplayRenderedImage( <a class="code" href="a01480.html" title="abstract specification for renderers">vtkRenderer</a> *, <a class="code" href="a01839.html" title="represents a volume (data &amp; properties) in a rendered scene">vtkVolume</a> * );
<a name="l00288"></a>00288 <span class="keywordtype">void</span> AbortRender();
<a name="l00289"></a>00289
<a name="l00290"></a>00290 <span class="keywordtype">void</span> CreateCanonicalView( <a class="code" href="a01839.html" title="represents a volume (data &amp; properties) in a rendered scene">vtkVolume</a> *volume,
<a name="l00291"></a>00291 <a class="code" href="a00751.html" title="topologically and geometrically regular array of data">vtkImageData</a> *<a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d210cf2918d8c9015394a60a23572e257359">image</a>,
<a name="l00292"></a>00292 <span class="keywordtype">int</span> blend_mode,
<a name="l00293"></a>00293 <span class="keywordtype">double</span> viewDirection[3],
<a name="l00294"></a>00294 <span class="keywordtype">double</span> viewUp[3] );
<a name="l00295"></a>00295
<a name="l00297"></a>00297
<a name="l00301"></a><a class="code" href="a00553.html#87d9012ddff05ec65f19aa9ca836f333">00301</a> <span class="keywordtype">float</span> GetEstimatedRenderTime( <a class="code" href="a01480.html" title="abstract specification for renderers">vtkRenderer</a> *ren,
<a name="l00302"></a>00302 <a class="code" href="a01839.html" title="represents a volume (data &amp; properties) in a rendered scene">vtkVolume</a> *vol )
<a name="l00303"></a>00303 { <span class="keywordflow">return</span> this->RetrieveRenderTime( ren, vol ); }
<a name="l00304"></a><a class="code" href="a00553.html#977950a0a2eb24506fb9fdb7dd411af1">00304</a> <span class="keywordtype">float</span> GetEstimatedRenderTime( <a class="code" href="a01480.html" title="abstract specification for renderers">vtkRenderer</a> *ren )
<a name="l00305"></a>00305 { <span class="keywordflow">return</span> this->RetrieveRenderTime( ren ); }
<a name="l00307"></a>00307
<a name="l00308"></a>00308
<a name="l00310"></a>00310
<a name="l00316"></a>00316 vtkSetMacro( FinalColorWindow, <span class="keywordtype">float</span> );
<a name="l00317"></a>00317 vtkGetMacro( FinalColorWindow, <span class="keywordtype">float</span> );
<a name="l00318"></a>00318 vtkSetMacro( FinalColorLevel, <span class="keywordtype">float</span> );
<a name="l00319"></a>00319 vtkGetMacro( FinalColorLevel, <span class="keywordtype">float</span> );
<a name="l00321"></a>00321
<a name="l00322"></a>00322
<a name="l00323"></a>00323 <span class="comment">// Here to be used by the mapper to tell the helper</span>
<a name="l00324"></a>00324 <span class="comment">// to flip the MIP comparison in order to support</span>
<a name="l00325"></a>00325 <span class="comment">// minimum intensity blending</span>
<a name="l00326"></a>00326 vtkGetMacro( FlipMIPComparison, <span class="keywordtype">int</span> );
<a name="l00327"></a>00327
<a name="l00328"></a>00328 <span class="keyword">protected</span>:
<a name="l00329"></a>00329 <a class="code" href="a00553.html" title="A fixed point mapper for volumes.">vtkFixedPointVolumeRayCastMapper</a>();
<a name="l00330"></a>00330 ~<a class="code" href="a00553.html" title="A fixed point mapper for volumes.">vtkFixedPointVolumeRayCastMapper</a>();
<a name="l00331"></a>00331
<a name="l00332"></a>00332 <span class="comment">// The helper class that displays the image</span>
<a name="l00333"></a><a class="code" href="a00553.html#02c4cecd741233c50dfb50c97e86bf1f">00333</a> <a class="code" href="a01454.html" title="helper class that draws the image to the screen">vtkRayCastImageDisplayHelper</a> *ImageDisplayHelper;
<a name="l00334"></a>00334
<a name="l00335"></a>00335 <span class="comment">// The distance between sample points along the ray</span>
<a name="l00336"></a><a class="code" href="a00553.html#9aac213e0bed7d50c1b7d134465ac3d0">00336</a> <span class="keywordtype">float</span> SampleDistance;
<a name="l00337"></a><a class="code" href="a00553.html#a1381a5f3bdf8ae40fc8c883f3c4f5bd">00337</a> <span class="keywordtype">float</span> InteractiveSampleDistance;
<a name="l00338"></a>00338
<a name="l00339"></a>00339 <span class="comment">// The distance between rays in the image</span>
<a name="l00340"></a><a class="code" href="a00553.html#1ce658f03f28a0ac347c6cdddcc504bc">00340</a> <span class="keywordtype">float</span> ImageSampleDistance;
<a name="l00341"></a><a class="code" href="a00553.html#2823b7606b5ee3cdebea718172b1387c">00341</a> <span class="keywordtype">float</span> MinimumImageSampleDistance;
<a name="l00342"></a><a class="code" href="a00553.html#198eefbffdfd4b690f23b0d7fb95f57d">00342</a> <span class="keywordtype">float</span> MaximumImageSampleDistance;
<a name="l00343"></a><a class="code" href="a00553.html#f38e6585c1ba7286eec0ebd5bfa8c45d">00343</a> <span class="keywordtype">int</span> AutoAdjustSampleDistances;
<a name="l00344"></a><a class="code" href="a00553.html#3875cf28ea7f2aa48af786664ff1cd61">00344</a> <span class="keywordtype">int</span> LockSampleDistanceToInputSpacing;
<a name="l00345"></a>00345
<a name="l00346"></a>00346 <span class="comment">// Saved values used to restore </span>
<a name="l00347"></a><a class="code" href="a00553.html#ed9a8af6745284b0027d0ba0de9edbfb">00347</a> <span class="keywordtype">float</span> OldSampleDistance;
<a name="l00348"></a><a class="code" href="a00553.html#0de06c16d1d97fe5999ed9acc0fd0860">00348</a> <span class="keywordtype">float</span> OldImageSampleDistance;
<a name="l00349"></a>00349
<a name="l00350"></a>00350 <span class="comment">// Internal method for computing matrices needed during</span>
<a name="l00351"></a>00351 <span class="comment">// ray casting</span>
<a name="l00352"></a>00352 <span class="keywordtype">void</span> ComputeMatrices( <span class="keywordtype">double</span> volumeOrigin[3],
<a name="l00353"></a>00353 <span class="keywordtype">double</span> volumeSpacing[3],
<a name="l00354"></a>00354 <span class="keywordtype">int</span> volumeExtent[6],
<a name="l00355"></a>00355 <a class="code" href="a01480.html" title="abstract specification for renderers">vtkRenderer</a> *ren,
<a name="l00356"></a>00356 <a class="code" href="a01839.html" title="represents a volume (data &amp; properties) in a rendered scene">vtkVolume</a> *vol );
<a name="l00357"></a>00357
<a name="l00358"></a>00358 <span class="keywordtype">int</span> ComputeRowBounds( <a class="code" href="a01480.html" title="abstract specification for renderers">vtkRenderer</a> *ren,
<a name="l00359"></a>00359 <span class="keywordtype">int</span> imageFlag, <span class="keywordtype">int</span> rowBoundsFlag,
<a name="l00360"></a>00360 <span class="keywordtype">int</span> volumeExtent[6]);
<a name="l00361"></a>00361
<a name="l00362"></a>00362 <span class="keywordtype">void</span> CaptureZBuffer( <a class="code" href="a01480.html" title="abstract specification for renderers">vtkRenderer</a> *ren );
<a name="l00363"></a>00363
<a name="l00364"></a>00364 <span class="keyword">friend</span> <a class="code" href="a02139.html#857b028df0e7a06db6bb78f368456609">VTK_THREAD_RETURN_TYPE</a> <a class="code" href="a03610.html#e20ddcf418a0eab597b1e1257643f0e5">FixedPointVolumeRayCastMapper_CastRays</a>( <span class="keywordtype">void</span> *arg );
<a name="l00365"></a>00365 <span class="keyword">friend</span> <a class="code" href="a02139.html#857b028df0e7a06db6bb78f368456609">VTK_THREAD_RETURN_TYPE</a> <a class="code" href="a03610.html#a4ffaefabc43b0bb81f47fc54cfb4be5">vtkFPVRCMSwitchOnDataType</a>( <span class="keywordtype">void</span> *arg );
<a name="l00366"></a>00366
<a name="l00367"></a><a class="code" href="a00553.html#10fa7acea06828926205bd083f209010">00367</a> <a class="code" href="a01064.html" title="A class for performing multithreaded execution.">vtkMultiThreader</a> *Threader;
<a name="l00368"></a>00368
<a name="l00369"></a><a class="code" href="a00553.html#9bb1d87b95aea9b7aa4f14da75d83b69">00369</a> <a class="code" href="a00998.html" title="represent and manipulate 4x4 transformation matrices">vtkMatrix4x4</a> *PerspectiveMatrix;
<a name="l00370"></a><a class="code" href="a00553.html#072ad2926589cba93bdc44f19b282563">00370</a> <a class="code" href="a00998.html" title="represent and manipulate 4x4 transformation matrices">vtkMatrix4x4</a> *ViewToWorldMatrix;
<a name="l00371"></a><a class="code" href="a00553.html#08f76efff7ec15cca27a1d8ee0d6e093">00371</a> <a class="code" href="a00998.html" title="represent and manipulate 4x4 transformation matrices">vtkMatrix4x4</a> *ViewToVoxelsMatrix;
<a name="l00372"></a><a class="code" href="a00553.html#fdb67667a80b037564a97280a14237e8">00372</a> <a class="code" href="a00998.html" title="represent and manipulate 4x4 transformation matrices">vtkMatrix4x4</a> *VoxelsToViewMatrix;
<a name="l00373"></a><a class="code" href="a00553.html#c2752869bf34a26e4297bcfe7fc46079">00373</a> <a class="code" href="a00998.html" title="represent and manipulate 4x4 transformation matrices">vtkMatrix4x4</a> *WorldToVoxelsMatrix;
<a name="l00374"></a><a class="code" href="a00553.html#3f076c95e3841cc15eb0cb2aa8d79aa1">00374</a> <a class="code" href="a00998.html" title="represent and manipulate 4x4 transformation matrices">vtkMatrix4x4</a> *VoxelsToWorldMatrix;
<a name="l00375"></a>00375
<a name="l00376"></a><a class="code" href="a00553.html#72f3b49724c331b5e49d0b79fccb0153">00376</a> <a class="code" href="a00998.html" title="represent and manipulate 4x4 transformation matrices">vtkMatrix4x4</a> *VolumeMatrix;
<a name="l00377"></a>00377
<a name="l00378"></a><a class="code" href="a00553.html#936cb1db96f4a9c8210185d4ae1d22d3">00378</a> <a class="code" href="a01723.html" title="describes linear transformations via a 4x4 matrix">vtkTransform</a> *PerspectiveTransform;
<a name="l00379"></a><a class="code" href="a00553.html#273008b1ce05c16822ead5070aa77cdb">00379</a> <a class="code" href="a01723.html" title="describes linear transformations via a 4x4 matrix">vtkTransform</a> *VoxelsTransform;
<a name="l00380"></a><a class="code" href="a00553.html#b87bf48f00c5049f2be041313556492e">00380</a> <a class="code" href="a01723.html" title="describes linear transformations via a 4x4 matrix">vtkTransform</a> *VoxelsToViewTransform;
<a name="l00381"></a>00381
<a name="l00382"></a>00382 <span class="comment">// This object encapsulated the image and all related information</span>
<a name="l00383"></a><a class="code" href="a00553.html#e0475134cb3b98119ccc3f4fa0ad2f70">00383</a> <a class="code" href="a00547.html" title="helper class for a ray cast image">vtkFixedPointRayCastImage</a> *RayCastImage;
<a name="l00384"></a>00384
<a name="l00385"></a><a class="code" href="a00553.html#6d7ba5a875035a5a914715e9ac3424de">00385</a> <span class="keywordtype">int</span> *RowBounds;
<a name="l00386"></a><a class="code" href="a00553.html#1886425b1181dd58c42b07c19958c4d9">00386</a> <span class="keywordtype">int</span> *OldRowBounds;
<a name="l00387"></a>00387
<a name="l00388"></a><a class="code" href="a00553.html#d93124ce4f210f81727236eb28d24b54">00388</a> <span class="keywordtype">float</span> *RenderTimeTable;
<a name="l00389"></a><a class="code" href="a00553.html#e1d4c485ce4485bdf8d34fdf6ffd21a2">00389</a> <a class="code" href="a01839.html" title="represents a volume (data &amp; properties) in a rendered scene">vtkVolume</a> **RenderVolumeTable;
<a name="l00390"></a><a class="code" href="a00553.html#e7b4d7d068b4a71edc50cb205817d2d6">00390</a> <a class="code" href="a01480.html" title="abstract specification for renderers">vtkRenderer</a> **RenderRendererTable;
<a name="l00391"></a><a class="code" href="a00553.html#a129b3c3ed3697b66af6f6fe49f6410a">00391</a> <span class="keywordtype">int</span> RenderTableSize;
<a name="l00392"></a><a class="code" href="a00553.html#9f317400c4a0da1f15c5b6c1b6c11662">00392</a> <span class="keywordtype">int</span> RenderTableEntries;
<a name="l00393"></a>00393
<a name="l00394"></a>00394 <span class="keywordtype">void</span> StoreRenderTime( <a class="code" href="a01480.html" title="abstract specification for renderers">vtkRenderer</a> *ren, <a class="code" href="a01839.html" title="represents a volume (data &amp; properties) in a rendered scene">vtkVolume</a> *vol, <span class="keywordtype">float</span> t );
<a name="l00395"></a>00395 <span class="keywordtype">float</span> RetrieveRenderTime( <a class="code" href="a01480.html" title="abstract specification for renderers">vtkRenderer</a> *ren, <a class="code" href="a01839.html" title="represents a volume (data &amp; properties) in a rendered scene">vtkVolume</a> *vol );
<a name="l00396"></a>00396 <span class="keywordtype">float</span> RetrieveRenderTime( <a class="code" href="a01480.html" title="abstract specification for renderers">vtkRenderer</a> *ren );
<a name="l00397"></a>00397
<a name="l00398"></a><a class="code" href="a00553.html#88cbfac9ef35cec626db966c79caa27f">00398</a> <span class="keywordtype">int</span> IntermixIntersectingGeometry;
<a name="l00399"></a>00399
<a name="l00400"></a><a class="code" href="a00553.html#546996d99b15de7f0aeef8d43465d1e1">00400</a> <span class="keywordtype">float</span> MinimumViewDistance;
<a name="l00401"></a>00401
<a name="l00402"></a><a class="code" href="a00553.html#38016a41d0fdd023c4745c1dd1e5422d">00402</a> <a class="code" href="a00290.html" title="Defines a transfer function for mapping a property to an RGB color value.">vtkColorTransferFunction</a> *SavedRGBFunction[4];
<a name="l00403"></a><a class="code" href="a00553.html#215bcc4b4553d4ae28cb98c31285df8d">00403</a> <a class="code" href="a01215.html" title="Defines a 1D piecewise function.">vtkPiecewiseFunction</a> *SavedGrayFunction[4];
<a name="l00404"></a><a class="code" href="a00553.html#107b0f523b3f377592e7bbda09a4d849">00404</a> <a class="code" href="a01215.html" title="Defines a 1D piecewise function.">vtkPiecewiseFunction</a> *SavedScalarOpacityFunction[4];
<a name="l00405"></a><a class="code" href="a00553.html#085e62b9a0e0591761ffcc812aa61ece">00405</a> <a class="code" href="a01215.html" title="Defines a 1D piecewise function.">vtkPiecewiseFunction</a> *SavedGradientOpacityFunction[4];
<a name="l00406"></a><a class="code" href="a00553.html#20cfb014869e52c856d6b1d6619c8e93">00406</a> <span class="keywordtype">int</span> SavedColorChannels[4];
<a name="l00407"></a><a class="code" href="a00553.html#5038aa3396ec66dea8096da621a6cd4c">00407</a> <span class="keywordtype">float</span> SavedScalarOpacityDistance[4];
<a name="l00408"></a><a class="code" href="a00553.html#43dfa46bc3592e56cec3459a640c23df">00408</a> <span class="keywordtype">int</span> SavedBlendMode;
<a name="l00409"></a><a class="code" href="a00553.html#767d8c7cec4a493d62410f0ced82b161">00409</a> <a class="code" href="a00751.html" title="topologically and geometrically regular array of data">vtkImageData</a> *SavedParametersInput;
<a name="l00410"></a><a class="code" href="a00553.html#acd181d6d20967724efa2ba01a78efa1">00410</a> <a class="code" href="a01719.html" title="record modification and/or execution time">vtkTimeStamp</a> SavedParametersMTime;
<a name="l00411"></a>00411
<a name="l00412"></a><a class="code" href="a00553.html#aae7e951421cb6c4ef17168689aebfa5">00412</a> <a class="code" href="a00751.html" title="topologically and geometrically regular array of data">vtkImageData</a> *SavedGradientsInput;
<a name="l00413"></a><a class="code" href="a00553.html#43d04f79752e5b0fea8a9203d590adef">00413</a> <a class="code" href="a01719.html" title="record modification and/or execution time">vtkTimeStamp</a> SavedGradientsMTime;
<a name="l00414"></a>00414
<a name="l00415"></a><a class="code" href="a00553.html#81770999b76b987d23e19fe800ea824e">00415</a> <span class="keywordtype">float</span> SavedSampleDistance;
<a name="l00416"></a>00416
<a name="l00417"></a>00417
<a name="l00418"></a><a class="code" href="a00553.html#40b678f4821ba6bb439d5086ff55c14a">00418</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> ColorTable[4][32768*3];
<a name="l00419"></a><a class="code" href="a00553.html#16d937350c161afe01ccd0060531708e">00419</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> ScalarOpacityTable[4][32768];
<a name="l00420"></a><a class="code" href="a00553.html#3552af38c9a83c6f62ef9956f91eca95">00420</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> GradientOpacityTable[4][256];
<a name="l00421"></a><a class="code" href="a00553.html#24c8bf25b930d711f0479305a25dae3a">00421</a> <span class="keywordtype">int</span> TableSize[4];
<a name="l00422"></a><a class="code" href="a00553.html#b7d1a24a48106fb58c897fa50b68e783">00422</a> <span class="keywordtype">float</span> TableScale[4];
<a name="l00423"></a><a class="code" href="a00553.html#65d004992a9a14b37d21fc24ac61cc21">00423</a> <span class="keywordtype">float</span> TableShift[4];
<a name="l00424"></a>00424
<a name="l00425"></a><a class="code" href="a00553.html#c091987f8f518d9ecb473a87124ac15c">00425</a> <span class="keywordtype">float</span> GradientMagnitudeScale[4];
<a name="l00426"></a><a class="code" href="a00553.html#f9b87c43a380bac55429524f2fa61760">00426</a> <span class="keywordtype">float</span> GradientMagnitudeShift[4];
<a name="l00427"></a>00427
<a name="l00428"></a><a class="code" href="a00553.html#ae067692028c175050d75c7fc68abbbf">00428</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> **GradientNormal;
<a name="l00429"></a><a class="code" href="a00553.html#37222f8911d7c2b447044fc53a53621f">00429</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> **GradientMagnitude;
<a name="l00430"></a><a class="code" href="a00553.html#27e47cd7cdfde7bfc73d6d25bdc72776">00430</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> *ContiguousGradientNormal;
<a name="l00431"></a><a class="code" href="a00553.html#ef5752c50ff54eb5183d21a54b73a724">00431</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *ContiguousGradientMagnitude;
<a name="l00432"></a>00432
<a name="l00433"></a><a class="code" href="a00553.html#faa7743ae24f2b65bbd4b23ed9125cae">00433</a> <span class="keywordtype">int</span> NumberOfGradientSlices;
<a name="l00434"></a>00434
<a name="l00435"></a><a class="code" href="a00553.html#990b73f6397467e75ed5b6f3828c9f79">00435</a> <a class="code" href="a00423.html" title="encode a direction into a one or two byte value">vtkDirectionEncoder</a> *DirectionEncoder;
<a name="l00436"></a>00436
<a name="l00437"></a><a class="code" href="a00553.html#09c17f102eeec36325ce9060b7c2e0e9">00437</a> <a class="code" href="a00460.html" title="Compute shading tables for encoded normals.">vtkEncodedGradientShader</a> *GradientShader;
<a name="l00438"></a>00438
<a name="l00439"></a><a class="code" href="a00553.html#5947a3a43650bd7e91c4ad469757df9f">00439</a> <a class="code" href="a00546.html" title="Use finite differences to estimate gradient.">vtkFiniteDifferenceGradientEstimator</a> *GradientEstimator;
<a name="l00440"></a>00440
<a name="l00441"></a><a class="code" href="a00553.html#2d9bae524d7c498b80d52246217fcc25">00441</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> DiffuseShadingTable [4][65536*3];
<a name="l00442"></a><a class="code" href="a00553.html#6ee83779ba54ebdced8c7eca230fcb47">00442</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> SpecularShadingTable[4][65536*3];
<a name="l00443"></a>00443
<a name="l00444"></a><a class="code" href="a00553.html#8239d901842c55363a1ec8e61a1ccf93">00444</a> <span class="keywordtype">int</span> ShadingRequired;
<a name="l00445"></a><a class="code" href="a00553.html#884a35cff7c27432b67c861ab6bf64de">00445</a> <span class="keywordtype">int</span> GradientOpacityRequired;
<a name="l00446"></a>00446
<a name="l00447"></a><a class="code" href="a00553.html#f65464887adb7c6ad49a0ceeb59bd1ae">00447</a> <a class="code" href="a00356.html" title="abstract superclass for arrays of numeric data">vtkDataArray</a> *CurrentScalars;
<a name="l00448"></a><a class="code" href="a00553.html#e48488d0a177f1438a971a1fce0790f8">00448</a> <a class="code" href="a00356.html" title="abstract superclass for arrays of numeric data">vtkDataArray</a> *PreviousScalars;
<a name="l00449"></a>00449
<a name="l00450"></a><a class="code" href="a00553.html#4710c974044adcb754b1c2dda9110e0e">00450</a> <a class="code" href="a01489.html" title="create a window for renderers to draw into">vtkRenderWindow</a> *RenderWindow;
<a name="l00451"></a><a class="code" href="a00553.html#105f7466b4c2fd273e98b7a22b98ab44">00451</a> <a class="code" href="a01839.html" title="represents a volume (data &amp; properties) in a rendered scene">vtkVolume</a> *Volume;
<a name="l00452"></a>00452
<a name="l00453"></a>00453 <span class="keywordtype">int</span> ClipRayAgainstVolume( <span class="keywordtype">float</span> rayStart[3],
<a name="l00454"></a>00454 <span class="keywordtype">float</span> rayEnd[3],
<a name="l00455"></a>00455 <span class="keywordtype">float</span> rayDirection[3],
<a name="l00456"></a>00456 <span class="keywordtype">double</span> bounds[6] );
<a name="l00457"></a>00457
<a name="l00458"></a>00458 <span class="keywordtype">int</span> UpdateColorTable( <a class="code" href="a01839.html" title="represents a volume (data &amp; properties) in a rendered scene">vtkVolume</a> *vol );
<a name="l00459"></a>00459 <span class="keywordtype">int</span> UpdateGradients( <a class="code" href="a01839.html" title="represents a volume (data &amp; properties) in a rendered scene">vtkVolume</a> *vol );
<a name="l00460"></a>00460 <span class="keywordtype">int</span> UpdateShadingTable( <a class="code" href="a01480.html" title="abstract specification for renderers">vtkRenderer</a> *ren,
<a name="l00461"></a>00461 <a class="code" href="a01839.html" title="represents a volume (data &amp; properties) in a rendered scene">vtkVolume</a> *vol );
<a name="l00462"></a>00462 <span class="keywordtype">void</span> UpdateCroppingRegions();
<a name="l00463"></a>00463
<a name="l00464"></a>00464 <span class="keywordtype">void</span> ComputeGradients( <a class="code" href="a01839.html" title="represents a volume (data &amp; properties) in a rendered scene">vtkVolume</a> *vol );
<a name="l00465"></a>00465
<a name="l00466"></a>00466 <span class="keywordtype">int</span> ClipRayAgainstClippingPlanes( <span class="keywordtype">float</span> rayStart[3],
<a name="l00467"></a>00467 <span class="keywordtype">float</span> rayEnd[3],
<a name="l00468"></a>00468 <span class="keywordtype">int</span> numClippingPlanes,
<a name="l00469"></a>00469 <span class="keywordtype">float</span> *clippingPlanes );
<a name="l00470"></a>00470
<a name="l00471"></a><a class="code" href="a00553.html#ded723db56ba1e34f1e981c282b82bf7">00471</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> FixedPointCroppingRegionPlanes[6];
<a name="l00472"></a><a class="code" href="a00553.html#f859dfa6e4db93dc52d347493200d529">00472</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> CroppingRegionMask[27];
<a name="l00473"></a>00473
<a name="l00474"></a>00474 <span class="comment">// Get the ZBuffer value corresponding to location (x,y) where (x,y)</span>
<a name="l00475"></a>00475 <span class="comment">// are indexing into the ImageInUse image. This must be converted to</span>
<a name="l00476"></a>00476 <span class="comment">// the zbuffer image coordinates. Nearest neighbor value is returned.</span>
<a name="l00477"></a>00477 <span class="keywordtype">float</span> GetZBufferValue( <span class="keywordtype">int</span> x, <span class="keywordtype">int</span> y );
<a name="l00478"></a>00478
<a name="l00479"></a><a class="code" href="a00553.html#0c437ce5192110baba9b8d1d3b6ba6df">00479</a> <a class="code" href="a00554.html" title="A helper that generates MIP images for the volume ray cast mapper.">vtkFixedPointVolumeRayCastMIPHelper</a> *MIPHelper;
<a name="l00480"></a><a class="code" href="a00553.html#8cccdc39608c589c874b1efe76a67a5d">00480</a> <a class="code" href="a00550.html" title="A helper that generates composite images for the volume ray cast mapper.">vtkFixedPointVolumeRayCastCompositeHelper</a> *CompositeHelper;
<a name="l00481"></a><a class="code" href="a00553.html#0d2553abbaea7e031628ad141604db43">00481</a> <a class="code" href="a00548.html" title="A helper that generates composite images for the volume ray cast mapper.">vtkFixedPointVolumeRayCastCompositeGOHelper</a> *CompositeGOHelper;
<a name="l00482"></a><a class="code" href="a00553.html#3e921a88750a20d55928ea1a38476303">00482</a> <a class="code" href="a00551.html" title="A helper that generates composite images for the volume ray cast mapper.">vtkFixedPointVolumeRayCastCompositeShadeHelper</a> *CompositeShadeHelper;
<a name="l00483"></a><a class="code" href="a00553.html#59ac53d75597f80a1867e5ecc6525101">00483</a> <a class="code" href="a00549.html" title="A helper that generates composite images for the volume ray cast mapper.">vtkFixedPointVolumeRayCastCompositeGOShadeHelper</a> *CompositeGOShadeHelper;
<a name="l00484"></a>00484
<a name="l00485"></a>00485 <span class="comment">// Some variables used for ray computation</span>
<a name="l00486"></a><a class="code" href="a00553.html#b2ece27af6e6eef9af2011ce533724ad">00486</a> <span class="keywordtype">float</span> ViewToVoxelsArray[16];
<a name="l00487"></a><a class="code" href="a00553.html#71e3263180667cf1ffb4ea96ebb0e610">00487</a> <span class="keywordtype">float</span> WorldToVoxelsArray[16];
<a name="l00488"></a><a class="code" href="a00553.html#a2a14d97fca6953dd18beabbdbabad77">00488</a> <span class="keywordtype">float</span> VoxelsToWorldArray[16];
<a name="l00489"></a>00489
<a name="l00490"></a><a class="code" href="a00553.html#b60330ec5bd6cd4bd7e0bfc153081a7e">00490</a> <span class="keywordtype">double</span> CroppingBounds[6];
<a name="l00491"></a>00491
<a name="l00492"></a><a class="code" href="a00553.html#ef14ebd4f561a17877bdddff619beac8">00492</a> <span class="keywordtype">int</span> NumTransformedClippingPlanes;
<a name="l00493"></a><a class="code" href="a00553.html#e0d858dd3166fcb0c39d54b92103d137">00493</a> <span class="keywordtype">float</span> *TransformedClippingPlanes;
<a name="l00494"></a>00494
<a name="l00495"></a><a class="code" href="a00553.html#878573b25fd83cf7302801caab535f3e">00495</a> <span class="keywordtype">double</span> SavedSpacing[3];
<a name="l00496"></a>00496
<a name="l00497"></a>00497
<a name="l00498"></a>00498 <span class="comment">// Min Max structured used to do space leaping</span>
<a name="l00499"></a><a class="code" href="a00553.html#3379c860947ba0e25b169aad038ecbe7">00499</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> *MinMaxVolume;
<a name="l00500"></a><a class="code" href="a00553.html#e5dbe40c4ba03222509d40b48c52eea7">00500</a> <span class="keywordtype">int</span> MinMaxVolumeSize[4];
<a name="l00501"></a><a class="code" href="a00553.html#2ac96fdcf4d12c67ca21543e45f8daaf">00501</a> <a class="code" href="a00751.html" title="topologically and geometrically regular array of data">vtkImageData</a> *SavedMinMaxInput;
<a name="l00502"></a><a class="code" href="a00553.html#b9e970c7333cdb4ee0e392d6d3078f92">00502</a> <a class="code" href="a01719.html" title="record modification and/or execution time">vtkTimeStamp</a> SavedMinMaxBuildTime;
<a name="l00503"></a><a class="code" href="a00553.html#19d9d354ab0078f32a926a148e8d0391">00503</a> <a class="code" href="a01719.html" title="record modification and/or execution time">vtkTimeStamp</a> SavedMinMaxGradientTime;
<a name="l00504"></a><a class="code" href="a00553.html#6f0ad2dd1c2e1ee09a1af4143e11aa57">00504</a> <a class="code" href="a01719.html" title="record modification and/or execution time">vtkTimeStamp</a> SavedMinMaxFlagTime;
<a name="l00505"></a>00505
<a name="l00506"></a>00506 <span class="keywordtype">void</span> UpdateMinMaxVolume( <a class="code" href="a01839.html" title="represents a volume (data &amp; properties) in a rendered scene">vtkVolume</a> *vol );
<a name="l00507"></a>00507 <span class="keywordtype">void</span> FillInMaxGradientMagnitudes( <span class="keywordtype">int</span> fullDim[3],
<a name="l00508"></a>00508 <span class="keywordtype">int</span> smallDim[3] );
<a name="l00509"></a>00509
<a name="l00510"></a><a class="code" href="a00553.html#3440ecb0ca37c1ec94c83c0e2744f816">00510</a> <span class="keywordtype">float</span> FinalColorWindow;
<a name="l00511"></a><a class="code" href="a00553.html#7fe247934ea17b0772dae56bb1ca25cc">00511</a> <span class="keywordtype">float</span> FinalColorLevel;
<a name="l00512"></a>00512
<a name="l00513"></a><a class="code" href="a00553.html#790ec92c15f54dae763b59ec51037b7f">00513</a> <span class="keywordtype">int</span> FlipMIPComparison;
<a name="l00514"></a>00514
<a name="l00515"></a>00515 <span class="keywordtype">void</span> ApplyFinalColorWindowLevel();
<a name="l00516"></a>00516
<a name="l00517"></a>00517
<a name="l00518"></a>00518 <span class="keyword">private</span>:
<a name="l00519"></a>00519 <a class="code" href="a00553.html" title="A fixed point mapper for volumes.">vtkFixedPointVolumeRayCastMapper</a>(<span class="keyword">const</span> <a class="code" href="a00553.html" title="A fixed point mapper for volumes.">vtkFixedPointVolumeRayCastMapper</a>&); <span class="comment">// Not implemented.</span>
<a name="l00520"></a>00520 <span class="keywordtype">void</span> operator=(<span class="keyword">const</span> <a class="code" href="a00553.html" title="A fixed point mapper for volumes.">vtkFixedPointVolumeRayCastMapper</a>&); <span class="comment">// Not implemented.</span>
<a name="l00521"></a>00521 };
<a name="l00522"></a>00522
<a name="l00523"></a>00523
<a name="l00524"></a><a class="code" href="a00553.html#9430a615b40a2c031ab75d8b1353ad65">00524</a> <span class="keyword">inline</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="a00553.html#9430a615b40a2c031ab75d8b1353ad65">vtkFixedPointVolumeRayCastMapper::ToFixedPointPosition</a>( <span class="keywordtype">float</span> val )
<a name="l00525"></a>00525 {
<a name="l00526"></a>00526 <span class="keywordflow">return</span> <span class="keyword">static_cast<</span><span class="keywordtype">unsigned</span> <span class="keywordtype">int</span><span class="keyword">></span>(val * <a class="code" href="a03610.html#4adc90ea70b44ee80f840f544ae43111">VTKKW_FP_SCALE</a> + 0.5);
<a name="l00527"></a>00527 }
<a name="l00528"></a>00528
<a name="l00529"></a><a class="code" href="a00553.html#cc5398aac150f2ca7cd268c0801b8bae">00529</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="a00553.html#9430a615b40a2c031ab75d8b1353ad65">vtkFixedPointVolumeRayCastMapper::ToFixedPointPosition</a>( <span class="keywordtype">float</span> in[3], <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> out[3] )
<a name="l00530"></a>00530 {
<a name="l00531"></a>00531 out[0] = <span class="keyword">static_cast<</span><span class="keywordtype">unsigned</span> <span class="keywordtype">int</span><span class="keyword">></span>(in[0] * <a class="code" href="a03610.html#4adc90ea70b44ee80f840f544ae43111">VTKKW_FP_SCALE</a> + 0.5);
<a name="l00532"></a>00532 out[1] = <span class="keyword">static_cast<</span><span class="keywordtype">unsigned</span> <span class="keywordtype">int</span><span class="keyword">></span>(in[1] * <a class="code" href="a03610.html#4adc90ea70b44ee80f840f544ae43111">VTKKW_FP_SCALE</a> + 0.5);
<a name="l00533"></a>00533 out[2] = <span class="keyword">static_cast<</span><span class="keywordtype">unsigned</span> <span class="keywordtype">int</span><span class="keyword">></span>(in[2] * <a class="code" href="a03610.html#4adc90ea70b44ee80f840f544ae43111">VTKKW_FP_SCALE</a> + 0.5);
<a name="l00534"></a>00534 }
<a name="l00535"></a>00535
<a name="l00536"></a><a class="code" href="a00553.html#7196d5b7f0b85f5c8ce9c2ee50164ce9">00536</a> <span class="keyword">inline</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="a00553.html#7196d5b7f0b85f5c8ce9c2ee50164ce9">vtkFixedPointVolumeRayCastMapper::ToFixedPointDirection</a>( <span class="keywordtype">float</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d210652910e0524bce5b8ec2644cad351b81">dir</a> )
<a name="l00537"></a>00537 {
<a name="l00538"></a>00538 <span class="keywordflow">return</span> ((dir<0.0)?
<a name="l00539"></a>00539 (static_cast<unsigned int>(-dir * <a class="code" href="a03610.html#4adc90ea70b44ee80f840f544ae43111">VTKKW_FP_SCALE</a> + 0.5)):
<a name="l00540"></a>00540 (0x80000000+static_cast<unsigned int>(dir*<a class="code" href="a03610.html#4adc90ea70b44ee80f840f544ae43111">VTKKW_FP_SCALE</a> + 0.5)));
<a name="l00541"></a>00541 }
<a name="l00542"></a>00542
<a name="l00543"></a><a class="code" href="a00553.html#ad6dafd9bc8924cb14abb1128148cfc7">00543</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="a00553.html#7196d5b7f0b85f5c8ce9c2ee50164ce9">vtkFixedPointVolumeRayCastMapper::ToFixedPointDirection</a>( <span class="keywordtype">float</span> in[3], <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> out[3] )
<a name="l00544"></a>00544 {
<a name="l00545"></a>00545 out[0] = ((in[0]<0.0)?
<a name="l00546"></a>00546 (<span class="keyword">static_cast<</span><span class="keywordtype">unsigned</span> <span class="keywordtype">int</span><span class="keyword">></span>(-in[0] * <a class="code" href="a03610.html#4adc90ea70b44ee80f840f544ae43111">VTKKW_FP_SCALE</a> + 0.5)):
<a name="l00547"></a>00547 (0x80000000+
<a name="l00548"></a>00548 static_cast<unsigned int>(in[0]*<a class="code" href="a03610.html#4adc90ea70b44ee80f840f544ae43111">VTKKW_FP_SCALE</a> + 0.5)));
<a name="l00549"></a>00549 out[1] = ((in[1]<0.0)?
<a name="l00550"></a>00550 (<span class="keyword">static_cast<</span><span class="keywordtype">unsigned</span> <span class="keywordtype">int</span><span class="keyword">></span>(-in[1] * <a class="code" href="a03610.html#4adc90ea70b44ee80f840f544ae43111">VTKKW_FP_SCALE</a> + 0.5)):
<a name="l00551"></a>00551 (0x80000000+
<a name="l00552"></a>00552 static_cast<unsigned int>(in[1]*<a class="code" href="a03610.html#4adc90ea70b44ee80f840f544ae43111">VTKKW_FP_SCALE</a> + 0.5)));
<a name="l00553"></a>00553 out[2] = ((in[2]<0.0)?
<a name="l00554"></a>00554 (<span class="keyword">static_cast<</span><span class="keywordtype">unsigned</span> <span class="keywordtype">int</span><span class="keyword">></span>(-in[2] * <a class="code" href="a03610.html#4adc90ea70b44ee80f840f544ae43111">VTKKW_FP_SCALE</a> + 0.5)):
<a name="l00555"></a>00555 (0x80000000+
<a name="l00556"></a>00556 static_cast<unsigned int>(in[2]*<a class="code" href="a03610.html#4adc90ea70b44ee80f840f544ae43111">VTKKW_FP_SCALE</a> + 0.5)));
<a name="l00557"></a>00557 }
<a name="l00558"></a>00558
<a name="l00559"></a><a class="code" href="a00553.html#beb5b9f1cc7fa187e03bdd0d0d4979a4">00559</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="a00553.html#beb5b9f1cc7fa187e03bdd0d0d4979a4">vtkFixedPointVolumeRayCastMapper::FixedPointIncrement</a>( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d210d43ac71820d660e3c543657c794b3d8c">position</a>[3], <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> increment[3] )
<a name="l00560"></a>00560 {
<a name="l00561"></a>00561 <span class="keywordflow">if</span> ( increment[0]&0x80000000 )
<a name="l00562"></a>00562 {
<a name="l00563"></a>00563 position[0] += (increment[0]&0x7fffffff);
<a name="l00564"></a>00564 }
<a name="l00565"></a>00565 <span class="keywordflow">else</span>
<a name="l00566"></a>00566 {
<a name="l00567"></a>00567 position[0] -= increment[0];
<a name="l00568"></a>00568 }
<a name="l00569"></a>00569 <span class="keywordflow">if</span> ( increment[1]&0x80000000 )
<a name="l00570"></a>00570 {
<a name="l00571"></a>00571 position[1] += (increment[1]&0x7fffffff);
<a name="l00572"></a>00572 }
<a name="l00573"></a>00573 <span class="keywordflow">else</span>
<a name="l00574"></a>00574 {
<a name="l00575"></a>00575 position[1] -= increment[1];
<a name="l00576"></a>00576 }
<a name="l00577"></a>00577 <span class="keywordflow">if</span> ( increment[2]&0x80000000 )
<a name="l00578"></a>00578 {
<a name="l00579"></a>00579 position[2] += (increment[2]&0x7fffffff);
<a name="l00580"></a>00580 }
<a name="l00581"></a>00581 <span class="keywordflow">else</span>
<a name="l00582"></a>00582 {
<a name="l00583"></a>00583 position[2] -= increment[2];
<a name="l00584"></a>00584 }
<a name="l00585"></a>00585 }
<a name="l00586"></a>00586
<a name="l00587"></a>00587
<a name="l00588"></a><a class="code" href="a00553.html#30d4fb94e3e945be1ccc315d5dc4726a">00588</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="a00553.html#30d4fb94e3e945be1ccc315d5dc4726a">vtkFixedPointVolumeRayCastMapper::GetFloatTripleFromPointer</a>( <span class="keywordtype">float</span> v[3], <span class="keywordtype">float</span> *ptr )
<a name="l00589"></a>00589 {
<a name="l00590"></a>00590 v[0] = *(ptr);
<a name="l00591"></a>00591 v[1] = *(ptr+1);
<a name="l00592"></a>00592 v[2] = *(ptr+2);
<a name="l00593"></a>00593 }
<a name="l00594"></a>00594
<a name="l00595"></a><a class="code" href="a00553.html#7be49718e8124e17fc5d2eb26e5a2ac9">00595</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="a00553.html#7be49718e8124e17fc5d2eb26e5a2ac9">vtkFixedPointVolumeRayCastMapper::GetUIntTripleFromPointer</a>( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> v[3], <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *ptr )
<a name="l00596"></a>00596 {
<a name="l00597"></a>00597 v[0] = *(ptr);
<a name="l00598"></a>00598 v[1] = *(ptr+1);
<a name="l00599"></a>00599 v[2] = *(ptr+2);
<a name="l00600"></a>00600 }
<a name="l00601"></a>00601
<a name="l00602"></a><a class="code" href="a00553.html#eebd7ada6fe745561e96c97713aecbfa">00602</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="a00553.html#eebd7ada6fe745561e96c97713aecbfa">vtkFixedPointVolumeRayCastMapper::ShiftVectorDown</a>( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> in[3],
<a name="l00603"></a>00603 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> out[3] )
<a name="l00604"></a>00604 {
<a name="l00605"></a>00605 out[0] = in[0] >> <a class="code" href="a03610.html#79f3842826032e2162a3d0db69e1cc9c">VTKKW_FP_SHIFT</a>;
<a name="l00606"></a>00606 out[1] = in[1] >> VTKKW_FP_SHIFT;
<a name="l00607"></a>00607 out[2] = in[2] >> VTKKW_FP_SHIFT;
<a name="l00608"></a>00608 }
<a name="l00609"></a>00609
<a name="l00610"></a><a class="code" href="a00553.html#8a6c8b2786e325795a1dd16b8f694f29">00610</a> <span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code" href="a00553.html#8a6c8b2786e325795a1dd16b8f694f29">vtkFixedPointVolumeRayCastMapper::CheckMinMaxVolumeFlag</a>( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> mmpos[3], <span class="keywordtype">int</span> c )
<a name="l00611"></a>00611 {
<a name="l00612"></a>00612 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d210e69c3ea0b66a4036cbb0c6648abb252d">offset</a> =
<a name="l00613"></a>00613 this-><a class="code" href="a00553.html#e5dbe40c4ba03222509d40b48c52eea7">MinMaxVolumeSize</a>[3] *
<a name="l00614"></a>00614 ( mmpos[2]*this-><a class="code" href="a00553.html#e5dbe40c4ba03222509d40b48c52eea7">MinMaxVolumeSize</a>[0]*this-><a class="code" href="a00553.html#e5dbe40c4ba03222509d40b48c52eea7">MinMaxVolumeSize</a>[1] +
<a name="l00615"></a>00615 mmpos[1]*this-><a class="code" href="a00553.html#e5dbe40c4ba03222509d40b48c52eea7">MinMaxVolumeSize</a>[0] +
<a name="l00616"></a>00616 mmpos[0] ) + c;
<a name="l00617"></a>00617
<a name="l00618"></a>00618 <span class="keywordflow">return</span> ((*(this-><a class="code" href="a00553.html#3379c860947ba0e25b169aad038ecbe7">MinMaxVolume</a> + 3*offset + 2))&0x00ff);
<a name="l00619"></a>00619 }
<a name="l00620"></a>00620
<a name="l00621"></a><a class="code" href="a00553.html#9638bb26b6a63d3764c34cfe48b38f6f">00621</a> <span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code" href="a00553.html#9638bb26b6a63d3764c34cfe48b38f6f">vtkFixedPointVolumeRayCastMapper::CheckMIPMinMaxVolumeFlag</a>( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> mmpos[3], <span class="keywordtype">int</span> c,
<a name="l00622"></a>00622 <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> maxIdx, <span class="keywordtype">int</span> flip )
<a name="l00623"></a>00623 {
<a name="l00624"></a>00624 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d210e69c3ea0b66a4036cbb0c6648abb252d">offset</a> =
<a name="l00625"></a>00625 this-><a class="code" href="a00553.html#e5dbe40c4ba03222509d40b48c52eea7">MinMaxVolumeSize</a>[3] *
<a name="l00626"></a>00626 ( mmpos[2]*this-><a class="code" href="a00553.html#e5dbe40c4ba03222509d40b48c52eea7">MinMaxVolumeSize</a>[0]*this-><a class="code" href="a00553.html#e5dbe40c4ba03222509d40b48c52eea7">MinMaxVolumeSize</a>[1] +
<a name="l00627"></a>00627 mmpos[1]*this-><a class="code" href="a00553.html#e5dbe40c4ba03222509d40b48c52eea7">MinMaxVolumeSize</a>[0] +
<a name="l00628"></a>00628 mmpos[0] ) + c;
<a name="l00629"></a>00629
<a name="l00630"></a>00630 <span class="keywordflow">if</span> ( (*(this-><a class="code" href="a00553.html#3379c860947ba0e25b169aad038ecbe7">MinMaxVolume</a> + 3*offset + 2)&0x00ff) )
<a name="l00631"></a>00631 {
<a name="l00632"></a>00632 <span class="keywordflow">if</span> (flip)
<a name="l00633"></a>00633 {
<a name="l00634"></a>00634 <span class="keywordflow">return</span> ( *(this-><a class="code" href="a00553.html#3379c860947ba0e25b169aad038ecbe7">MinMaxVolume</a> + 3*offset) < maxIdx );
<a name="l00635"></a>00635 }
<a name="l00636"></a>00636 <span class="keywordflow">else</span>
<a name="l00637"></a>00637 {
<a name="l00638"></a>00638 <span class="keywordflow">return</span> ( *(this-><a class="code" href="a00553.html#3379c860947ba0e25b169aad038ecbe7">MinMaxVolume</a> + 3*offset + 1) > maxIdx );
<a name="l00639"></a>00639 }
<a name="l00640"></a>00640 }
<a name="l00641"></a>00641 <span class="keywordflow">else</span>
<a name="l00642"></a>00642 {
<a name="l00643"></a>00643 <span class="keywordflow">return</span> 0;
<a name="l00644"></a>00644 }
<a name="l00645"></a>00645 }
<a name="l00646"></a>00646
<a name="l00647"></a><a class="code" href="a00553.html#b453b425722211fbeab98b2de820f090">00647</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="a00553.html#b453b425722211fbeab98b2de820f090">vtkFixedPointVolumeRayCastMapper::LookupColorUC</a>( <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> *colorTable,
<a name="l00648"></a>00648 <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> *scalarOpacityTable,
<a name="l00649"></a>00649 <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d210e519c5019582479480124c44722a451f">index</a>,
<a name="l00650"></a>00650 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d210ab06a058f9ffb559855ff8495aa7e53e">color</a>[4] )
<a name="l00651"></a>00651 {
<a name="l00652"></a>00652 <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d210a6028180e112c2c1c3556a8253cdbff5">alpha</a> = scalarOpacityTable[index];
<a name="l00653"></a>00653 color[0] = <span class="keyword">static_cast<</span><span class="keywordtype">unsigned</span> <span class="keywordtype">char</span><span class="keyword">></span>
<a name="l00654"></a>00654 ((colorTable[3*index ]*alpha + 0x7fff)>>(2*<a class="code" href="a03610.html#79f3842826032e2162a3d0db69e1cc9c">VTKKW_FP_SHIFT</a> - 8));
<a name="l00655"></a>00655 color[1] = <span class="keyword">static_cast<</span><span class="keywordtype">unsigned</span> <span class="keywordtype">char</span><span class="keyword">></span>
<a name="l00656"></a>00656 ((colorTable[3*index+1]*alpha + 0x7fff)>>(2*<a class="code" href="a03610.html#79f3842826032e2162a3d0db69e1cc9c">VTKKW_FP_SHIFT</a> - 8));
<a name="l00657"></a>00657 color[2] = <span class="keyword">static_cast<</span><span class="keywordtype">unsigned</span> <span class="keywordtype">char</span><span class="keyword">></span>
<a name="l00658"></a>00658 ((colorTable[3*index+2]*alpha + 0x7fff)>>(2*<a class="code" href="a03610.html#79f3842826032e2162a3d0db69e1cc9c">VTKKW_FP_SHIFT</a> - 8));
<a name="l00659"></a>00659 color[3] = <span class="keyword">static_cast<</span><span class="keywordtype">unsigned</span> <span class="keywordtype">char</span><span class="keyword">></span>(alpha>>(<a class="code" href="a03610.html#79f3842826032e2162a3d0db69e1cc9c">VTKKW_FP_SHIFT</a> - 8));
<a name="l00660"></a>00660 }
<a name="l00661"></a>00661
<a name="l00662"></a><a class="code" href="a00553.html#f9a00cbec80276271b35dfb98fb733e1">00662</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="a00553.html#f9a00cbec80276271b35dfb98fb733e1">vtkFixedPointVolumeRayCastMapper::LookupDependentColorUC</a>( <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> *colorTable,
<a name="l00663"></a>00663 <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> *scalarOpacityTable,
<a name="l00664"></a>00664 <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d210e519c5019582479480124c44722a451f">index</a>[4],
<a name="l00665"></a>00665 <span class="keywordtype">int</span> components,
<a name="l00666"></a>00666 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d210ab06a058f9ffb559855ff8495aa7e53e">color</a>[4] )
<a name="l00667"></a>00667 {
<a name="l00668"></a>00668 <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d210a6028180e112c2c1c3556a8253cdbff5">alpha</a>;
<a name="l00669"></a>00669 <span class="keywordflow">switch</span> ( components )
<a name="l00670"></a>00670 {
<a name="l00671"></a>00671 <span class="keywordflow">case</span> 2:
<a name="l00672"></a>00672 alpha = scalarOpacityTable[index[1]];
<a name="l00673"></a>00673 color[0] = <span class="keyword">static_cast<</span><span class="keywordtype">unsigned</span> <span class="keywordtype">char</span><span class="keyword">></span>
<a name="l00674"></a>00674 ((colorTable[3*index[0] ]*alpha + 0x7fff)>>(2*<a class="code" href="a03610.html#79f3842826032e2162a3d0db69e1cc9c">VTKKW_FP_SHIFT</a> - 8));
<a name="l00675"></a>00675 color[1] = <span class="keyword">static_cast<</span><span class="keywordtype">unsigned</span> <span class="keywordtype">char</span><span class="keyword">></span>
<a name="l00676"></a>00676 ((colorTable[3*index[0]+1]*alpha + 0x7fff)>>(2*<a class="code" href="a03610.html#79f3842826032e2162a3d0db69e1cc9c">VTKKW_FP_SHIFT</a> - 8));
<a name="l00677"></a>00677 color[2] = <span class="keyword">static_cast<</span><span class="keywordtype">unsigned</span> <span class="keywordtype">char</span><span class="keyword">></span>
<a name="l00678"></a>00678 ((colorTable[3*index[0]+2]*alpha + 0x7fff)>>(2*<a class="code" href="a03610.html#79f3842826032e2162a3d0db69e1cc9c">VTKKW_FP_SHIFT</a> - 8));
<a name="l00679"></a>00679 color[3] = <span class="keyword">static_cast<</span><span class="keywordtype">unsigned</span> <span class="keywordtype">char</span><span class="keyword">></span>(alpha>>(<a class="code" href="a03610.html#79f3842826032e2162a3d0db69e1cc9c">VTKKW_FP_SHIFT</a> - 8));
<a name="l00680"></a>00680 <span class="keywordflow">break</span>;
<a name="l00681"></a>00681 <span class="keywordflow">case</span> 4:
<a name="l00682"></a>00682 alpha = scalarOpacityTable[index[3]];
<a name="l00683"></a>00683 color[0] = <span class="keyword">static_cast<</span><span class="keywordtype">unsigned</span> <span class="keywordtype">char</span><span class="keyword">></span>((index[0]*alpha + 0x7fff)>><a class="code" href="a03610.html#79f3842826032e2162a3d0db69e1cc9c">VTKKW_FP_SHIFT</a> );
<a name="l00684"></a>00684 color[1] = <span class="keyword">static_cast<</span><span class="keywordtype">unsigned</span> <span class="keywordtype">char</span><span class="keyword">></span>((index[1]*alpha + 0x7fff)>><a class="code" href="a03610.html#79f3842826032e2162a3d0db69e1cc9c">VTKKW_FP_SHIFT</a> );
<a name="l00685"></a>00685 color[2] = <span class="keyword">static_cast<</span><span class="keywordtype">unsigned</span> <span class="keywordtype">char</span><span class="keyword">></span>((index[2]*alpha + 0x7fff)>><a class="code" href="a03610.html#79f3842826032e2162a3d0db69e1cc9c">VTKKW_FP_SHIFT</a> );
<a name="l00686"></a>00686 color[3] = <span class="keyword">static_cast<</span><span class="keywordtype">unsigned</span> <span class="keywordtype">char</span><span class="keyword">></span>(alpha>>(<a class="code" href="a03610.html#79f3842826032e2162a3d0db69e1cc9c">VTKKW_FP_SHIFT</a> - 8));
<a name="l00687"></a>00687 <span class="keywordflow">break</span>;
<a name="l00688"></a>00688 }
<a name="l00689"></a>00689 }
<a name="l00690"></a>00690
<a name="l00691"></a>00691
<a name="l00692"></a><a class="code" href="a00553.html#c15f82b4246bab51eebb529487d2bda2">00692</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="a00553.html#c15f82b4246bab51eebb529487d2bda2">vtkFixedPointVolumeRayCastMapper::LookupAndCombineIndependentColorsUC</a>( <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> *colorTable[4],
<a name="l00693"></a>00693 <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> *scalarOpacityTable[4],
<a name="l00694"></a>00694 <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d210e519c5019582479480124c44722a451f">index</a>[4],
<a name="l00695"></a>00695 <span class="keywordtype">float</span> weights[4],
<a name="l00696"></a>00696 <span class="keywordtype">int</span> components,
<a name="l00697"></a>00697 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d210ab06a058f9ffb559855ff8495aa7e53e">color</a>[4] )
<a name="l00698"></a>00698 {
<a name="l00699"></a>00699 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> tmp[4] = {0,0,0,0};
<a name="l00700"></a>00700
<a name="l00701"></a>00701 <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0; i < components; i++ )
<a name="l00702"></a>00702 {
<a name="l00703"></a>00703 <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d210a6028180e112c2c1c3556a8253cdbff5">alpha</a> = <span class="keyword">static_cast<</span><span class="keywordtype">unsigned</span> <span class="keywordtype">short</span><span class="keyword">></span>(<span class="keyword">static_cast<</span><span class="keywordtype">float</span><span class="keyword">></span>(scalarOpacityTable[i][index[i]])*weights[i]);
<a name="l00704"></a>00704 tmp[0] += <span class="keyword">static_cast<</span><span class="keywordtype">unsigned</span> <span class="keywordtype">char</span><span class="keyword">></span>(((colorTable[i][3*index[i] ])*alpha + 0x7fff)>>(2*<a class="code" href="a03610.html#79f3842826032e2162a3d0db69e1cc9c">VTKKW_FP_SHIFT</a> - 8));
<a name="l00705"></a>00705 tmp[1] += <span class="keyword">static_cast<</span><span class="keywordtype">unsigned</span> <span class="keywordtype">char</span><span class="keyword">></span>(((colorTable[i][3*index[i]+1])*alpha + 0x7fff)>>(2*<a class="code" href="a03610.html#79f3842826032e2162a3d0db69e1cc9c">VTKKW_FP_SHIFT</a> - 8));
<a name="l00706"></a>00706 tmp[2] += <span class="keyword">static_cast<</span><span class="keywordtype">unsigned</span> <span class="keywordtype">char</span><span class="keyword">></span>(((colorTable[i][3*index[i]+2])*alpha + 0x7fff)>>(2*<a class="code" href="a03610.html#79f3842826032e2162a3d0db69e1cc9c">VTKKW_FP_SHIFT</a> - 8));
<a name="l00707"></a>00707 tmp[3] += <span class="keyword">static_cast<</span><span class="keywordtype">unsigned</span> <span class="keywordtype">char</span><span class="keyword">></span>(alpha>>(<a class="code" href="a03610.html#79f3842826032e2162a3d0db69e1cc9c">VTKKW_FP_SHIFT</a> - 8));
<a name="l00708"></a>00708 }
<a name="l00709"></a>00709
<a name="l00710"></a>00710 color[0] = <span class="keyword">static_cast<</span><span class="keywordtype">unsigned</span> <span class="keywordtype">char</span><span class="keyword">></span>((tmp[0]>255)?(255):(tmp[0]));
<a name="l00711"></a>00711 color[1] = <span class="keyword">static_cast<</span><span class="keywordtype">unsigned</span> <span class="keywordtype">char</span><span class="keyword">></span>((tmp[1]>255)?(255):(tmp[1]));
<a name="l00712"></a>00712 color[2] = <span class="keyword">static_cast<</span><span class="keywordtype">unsigned</span> <span class="keywordtype">char</span><span class="keyword">></span>((tmp[2]>255)?(255):(tmp[2]));
<a name="l00713"></a>00713 color[3] = <span class="keyword">static_cast<</span><span class="keywordtype">unsigned</span> <span class="keywordtype">char</span><span class="keyword">></span>((tmp[3]>255)?(255):(tmp[3]));
<a name="l00714"></a>00714
<a name="l00715"></a>00715 }
<a name="l00716"></a>00716
<a name="l00717"></a><a class="code" href="a00553.html#fa8a6581f77472bdba41cdafef39be4b">00717</a> <span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code" href="a00553.html#fa8a6581f77472bdba41cdafef39be4b">vtkFixedPointVolumeRayCastMapper::CheckIfCropped</a>( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> pos[3] )
<a name="l00718"></a>00718 {
<a name="l00719"></a>00719 <span class="keywordtype">int</span> idx;
<a name="l00720"></a>00720
<a name="l00721"></a>00721 <span class="keywordflow">if</span> ( pos[2] < this-><a class="code" href="a00553.html#ded723db56ba1e34f1e981c282b82bf7">FixedPointCroppingRegionPlanes</a>[4] )
<a name="l00722"></a>00722 {
<a name="l00723"></a>00723 idx = 0;
<a name="l00724"></a>00724 }
<a name="l00725"></a>00725 <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( pos[2] > this-><a class="code" href="a00553.html#ded723db56ba1e34f1e981c282b82bf7">FixedPointCroppingRegionPlanes</a>[5] )
<a name="l00726"></a>00726 {
<a name="l00727"></a>00727 idx = 18;
<a name="l00728"></a>00728 }
<a name="l00729"></a>00729 <span class="keywordflow">else</span>
<a name="l00730"></a>00730 {
<a name="l00731"></a>00731 idx = 9;
<a name="l00732"></a>00732 }
<a name="l00733"></a>00733
<a name="l00734"></a>00734 <span class="keywordflow">if</span> ( pos[1] >= this-><a class="code" href="a00553.html#ded723db56ba1e34f1e981c282b82bf7">FixedPointCroppingRegionPlanes</a>[2] )
<a name="l00735"></a>00735 {
<a name="l00736"></a>00736 <span class="keywordflow">if</span> ( pos[1] > this-><a class="code" href="a00553.html#ded723db56ba1e34f1e981c282b82bf7">FixedPointCroppingRegionPlanes</a>[3] )
<a name="l00737"></a>00737 {
<a name="l00738"></a>00738 idx += 6;
<a name="l00739"></a>00739 }
<a name="l00740"></a>00740 <span class="keywordflow">else</span>
<a name="l00741"></a>00741 {
<a name="l00742"></a>00742 idx += 3;
<a name="l00743"></a>00743 }
<a name="l00744"></a>00744 }
<a name="l00745"></a>00745
<a name="l00746"></a>00746 <span class="keywordflow">if</span> ( pos[0] >= this-><a class="code" href="a00553.html#ded723db56ba1e34f1e981c282b82bf7">FixedPointCroppingRegionPlanes</a>[0] )
<a name="l00747"></a>00747 {
<a name="l00748"></a>00748 <span class="keywordflow">if</span> ( pos[0] > this-><a class="code" href="a00553.html#ded723db56ba1e34f1e981c282b82bf7">FixedPointCroppingRegionPlanes</a>[1] )
<a name="l00749"></a>00749 {
<a name="l00750"></a>00750 idx += 2;
<a name="l00751"></a>00751 }
<a name="l00752"></a>00752 <span class="keywordflow">else</span>
<a name="l00753"></a>00753 {
<a name="l00754"></a>00754 idx += 1;
<a name="l00755"></a>00755 }
<a name="l00756"></a>00756 }
<a name="l00757"></a>00757
<a name="l00758"></a>00758 <span class="keywordflow">return</span> !(this-><a class="code" href="a01842.html#f7f6dd38d6a6872b3aedf0618e084bc7">CroppingRegionFlags</a>&this-><a class="code" href="a00553.html#f859dfa6e4db93dc52d347493200d529">CroppingRegionMask</a>[idx]);
<a name="l00759"></a>00759 }
<a name="l00760"></a>00760
<a name="l00761"></a>00761 <span class="preprocessor">#endif</span>
</pre></div></div>
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