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<p class=MsoNormal><span class=SpellE><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>Hello</span></font></span><font
size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'><span
style='mso-spacerun:yes'> </span><span class=GramE>i</span> <span
class=SpellE>have</span> a<span style='mso-spacerun:yes'> </span><span
class=SpellE>problem</span> <span class=SpellE>with</span> a <span
class=SpellE>vrml</span> class and Volume <span class=SpellE>rendering</span>.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>The <span class=SpellE>message</span> <span class=SpellE>that</span>
go in <span class=SpellE>to</span> the <span class=SpellE>screen</span> <span
class=SpellE>is</span> <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><font
size=2 face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'><<span
class=SpellE>vtkVRMLExporter</span> (0x009DD8E0): no <span class=SpellE>actors</span>
<span class=SpellE>found</span> <span class=SpellE>for</span> <span
class=SpellE>writing</span> VRML file.<span class=GramE>></span><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>The <span class=SpellE>part</span> of code <span
class=SpellE>for</span> <span class=SpellE>this</span> <span class=SpellE>problem</span>
<span class=SpellE>is</span>:<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><span style='mso-tab-count:1'> </span><span
class=GramE>vtkVolumeTextureMapper2D</span> *<span class=SpellE>VolumeTextureMapper</span>
= vtkVolumeTextureMapper2D::New();<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><span style='mso-tab-count:1'> </span><span
class=SpellE><span class=GramE>vtkVRMLExporter</span></span> *esportazione = <span
class=SpellE>vtkVRMLExporter</span>::New();<span style='mso-tab-count:1'> </span><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><span style='mso-tab-count:1'> </span><span
class=SpellE><span class=GramE>vtkVolumeRayCastCompositeFunction</span></span>
*<span class=SpellE>compositeFunction</span> = <span class=SpellE>vtkVolumeRayCastCompositeFunction</span>::New();<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><span style='mso-tab-count:1'> </span><span
class=SpellE><span class=GramE>compositeFunction-</span></span>><span
class=SpellE>SetCompositeMethodToInterpolateFirst</span>();<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><span style='mso-tab-count:1'> </span><span
class=SpellE><span class=GramE>vtkVolumeRayCastIsosurfaceFunction</span></span>
*<span class=SpellE>iso</span> = <span class=SpellE>vtkVolumeRayCastIsosurfaceFunction</span>::New();<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><span style='mso-tab-count:1'> </span><span
class=SpellE><span class=GramE>vtkVolumeRayCastMIPFunction</span></span> *<span
class=SpellE>mip</span> = <span class=SpellE>vtkVolumeRayCastMIPFunction</span>::New();<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><span style='mso-tab-count:1'> </span><span
class=SpellE><span class=GramE>mip-</span></span>><span class=SpellE>SetMaximizeMethodToOpacity</span>();<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><span style='mso-tab-count:1'> </span>//<span
class=SpellE><span class=GramE>compositeFunction-</span></span>><span
class=SpellE>SetCompositeMethodToInterpolateFirst</span>();<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><span style='mso-tab-count:1'> </span><span
class=SpellE><span class=GramE>vtkVolumeRayCastMapper</span></span> *<span
class=SpellE>volumeMapper</span> = <span class=SpellE>vtkVolumeRayCastMapper</span>::New();<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><span style='mso-tab-count:1'> </span><span
class=SpellE><span class=GramE>volumeMapper-</span></span>><span
class=SpellE>SetVolumeRayCastFunction</span>(<span class=SpellE>compositeFunction</span>);<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><span style='mso-tab-count:1'> </span><span
class=SpellE><span class=GramE>volumeMapper-</span></span>><span
class=SpellE>SetInput</span>(v16-><span class=SpellE>GetOutput</span>());<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><span style='mso-tab-count:1'> </span><span
class=SpellE><span class=GramE>volumeMapper-</span></span>><span
class=SpellE>SetSampleDistance</span>(0.3);<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><span style='mso-tab-count:1'> </span>//<span
class=SpellE><span class=GramE>volumeMapper-</span></span>><span
class=SpellE>SetImageSampleDistance</span>(1.0);<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><span style='mso-tab-count:1'> </span><span
class=SpellE>VolumeTextureMapper-</span>><span class=SpellE>SetInput</span>(v16-><span
class=SpellE>GetOutput</span>());<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><span style='mso-tab-count:1'> </span><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><span style='mso-tab-count:1'> </span><span
class=SpellE><span class=GramE>vtkVolume</span></span> *Volume = <span
class=SpellE>vtkVolume</span>::New();<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-indent:35.4pt'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'><span
style='mso-spacerun:yes'> </span>Volume-><span class=SpellE>SetMapper</span>(<span
class=SpellE><span class=GramE>volumeMapper</span></span>);<span
style='mso-spacerun:yes'> </span>(or Volume-><span class=SpellE>SetMapper</span>(<span
class=SpellE>VolumeTextureMapper</span>))<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><span style='mso-tab-count:1'> </span>Volume-><span
class=SpellE>SetProperty</span>(<span class=SpellE><span class=GramE>volumeProperty</span></span>);<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><span style='mso-tab-count:1'> </span><span
class=GramE>ren1-</span>><span class=SpellE>SetBackground</span>(0.8,0.8,0.8);<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><span style='mso-tab-count:1'> </span><span
class=GramE>ren1-</span>><span class=SpellE>AddVolume</span>(Volume);<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><span style='mso-tab-count:1'> </span><span
class=SpellE><span class=GramE>renWin-</span></span>><span class=SpellE>AddRenderer</span>(ren1);<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><span style='mso-tab-count:1'> </span><span
class=SpellE><span class=GramE>renWin-</span></span>><span class=SpellE>SetSize</span>(300,300);<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><span style='mso-tab-count:1'> </span><span
class=SpellE><span class=GramE>renWin-</span></span>>Render();<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><span style='mso-tab-count:1'> </span><span
class=GramE>esportazione-</span>><span class=SpellE>SetInput</span>(<span
class=SpellE>renWin</span>);<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><span style='mso-tab-count:1'> </span>//esportazione-><span
class=SpellE>SetFilePrefix</span>("<span class=SpellE>encefalo.wrl</span>");<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><span style='mso-tab-count:1'> </span><span
class=GramE>esportazione-</span>><span class=SpellE>SetFileName</span>("c:\\encefalo.wrl");<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><span style='mso-tab-count:1'> </span><span
class=GramE>esportazione-</span>><span class=SpellE>SetSpeed</span>(5.5);<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><span style='mso-tab-count:1'> </span><span
class=GramE>esportazione-</span>><span class=SpellE>Write</span>();<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><span style='mso-tab-count:1'> </span><span
class=SpellE><span class=GramE>iren-</span></span>><span class=SpellE>SetRenderWindow</span>(<span
class=SpellE>renWin</span>);<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><span style='mso-tab-count:1'> </span><span
class=SpellE><span class=GramE>iren-</span></span>>Start();<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>The <span class=SpellE>vtkVRMLExporter</span> <span
class=SpellE>works</span> <span class=SpellE>with</span> volume <span
class=SpellE>rendering</span> and <span class=SpellE>with</span> <span
class=SpellE><span class=GramE>vtkVolume</span></span>??<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Can <span class=SpellE>you</span> help <span class=GramE>me</span>
<span class=SpellE>to</span> <span class=SpellE>find</span> the <span
class=SpellE>solution</span> of <span class=SpellE>this</span> <span
class=SpellE>problem</span> <span class=SpellE>please</span> <span
class=SpellE>thanks</span>!!<o:p></o:p></span></font></p>
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