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vtkVolumeRayCastCompositeFunction does not "create" a volume;
it is used by the ray cast mapper to display a volume. If you did
some processing on your volume between loading it (reading it from
file(s)) and rendering it, you can save the input to the volume mapper as
a volume data set. For example,<br><br>
renderWindow->Render();<br>
vtkPNGWriter *writer = vtkPNGWriter::New();<br>
writer->SetInput(volumeMapper->GetInput());<br>
writer->SetFilePrefix("newVolume");<br>
writer->Write();<br><br>
If you only loaded the data and rendered it, you have not changed the
volume itself; in this case there would be nothing new to save to a
volume data set.<br><br>
- Amy<br><br>
At 03:57 AM 11/24/2004, =?gb2312?B?emZqZ28=?= wrote:<br>
<blockquote type=cite class=cite cite="">Hi,<br>
I created a volume by vrkvolumeraycastcompositefunction,now I want to
save it as a volume dataset preparing for the coming processing. But I
can only write it as a single BMP file by vtkWindowToImageFilter,not a
complicated volume dataset.I need read it by vtkvolumeread function.<br>
Who can help me?<br>
Thanks. <br>
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