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<DIV><FONT face=Arial>Hi,</FONT></DIV>
<DIV><FONT face=Arial></FONT> </DIV>
<DIV><FONT face=Arial>I have a 112*128*300 tiff images(24bit, r,g,b) and I want
to visualize it. However, I do not know how to visualize the color
image.</FONT></DIV>
<DIV><FONT face=Arial></FONT> </DIV>
<DIV><FONT face=Arial> vtkTIFFReader *reader
=vtkTIFFReader::New();<BR> reader->SetFilePrefix(".\\Data\\brain(112x128)\\brain");<BR> reader->SetFilePattern("%s%d.tif");<BR> reader->SetDataExtent(0,111,0,127,1,300);<BR> reader->SetDataSpacing(1.2,1.2,0.5);<BR> reader->SetNumberOfScalarComponents(3);<BR> reader->SetDataScalarType(VTK_UNSIGNED_CHAR);<BR></FONT></DIV>
<DIV><FONT face=Arial> vtkVolumeRayCastCompositeFunction *compositeFunction
= vtkVolumeRayCastCompositeFunction::New();</FONT></DIV>
<DIV><FONT face=Arial></FONT> </DIV>
<DIV><FONT face=Arial> vtkVolumeRayCastMapper *volumeMapper =
vtkVolumeRayCastMapper::New();<BR> volumeMapper->SetInput(reader->GetOutput());<BR> volumeMapper->SetVolumeRayCastFunction(compositeFunction);</FONT></DIV>
<DIV><FONT face=Arial></FONT> </DIV>
<DIV><FONT face=Arial>the result is very strange and looks like a gray instead
of a color result.</FONT></DIV>
<DIV><FONT face=Arial></FONT> </DIV>
<DIV><FONT face=Arial>Hope your reply!</FONT></DIV>
<DIV><FONT face=Arial></FONT> </DIV>
<DIV><FONT face=Arial>Thank you in advances!</FONT></DIV>
<DIV><FONT face=Arial></FONT> </DIV>
<DIV><FONT face=Arial>Best regards,</FONT></DIV>
<DIV><FONT face=Arial></FONT> </DIV>
<DIV><FONT face=Arial>Yixun Liu</FONT></DIV>
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