[vtkusers] vtkLookupTable Transpacency == background color?
Chris Want
cwant at ualberta.ca
Fri Apr 19 18:40:32 EDT 2002
John Biddiscombe wrote:
> Its been a while since I played with this, but isn't the call to
> Build unnecessary. If you call Build it'll build it'll overwite the
> values from its own computation (based on HSV values). If you stuff
> data in yourself, then don't call it.
>
> JB
Hi John,
Thank you for your insight -- you are indeed correct:
the call to lut.Build() was unnecessary.
Unfortunately removing this call did not fix my problem
-- the areas that are supposed to be transparent are
still colored with the renderer's background color.
Thanks again,
Chris Want
Research Computing Support
Computing & Network Services
University of Alberta
Tel: 1-780-492-9418
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