[vtkusers] vtklookuptable question

[Amy Squillacote]

Please send a code segment that demonstrates the problem to the vtkusers 
list. Include what settings of vtkLookupTable you tried. It's much 
easier for others to help you track down your problem if they can look 
at actual code.

- Amy

kdsfinger at gmail.com wrote:
> hi, all
> I have a vtkImageData built on a stack images imported by
> vtkPNGReader. When I display it by the vtkImagePlaneWidget, it has
> only 2 colors: the 0 values are mapped to black and all the rest are
> mapped to white. The values in the vtkImageData are grayscale
> (unsigned char, a mri brain image). I tried some setting of the
> vtkLookupTable but did not success. Any suggestions?
> zl2k
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