[vtkusers] Different alpha values for scalars

[Sebastian Gatzka]

Well, I can't imagine the method names, either.
And thruthfully I'm not really sure how this should work.
I'm still very unsure about the lookuptable stuff ...

Am 19.03.2010 14:01, schrieb Sebastien Jourdain:
> In fact if you build your own lookuptable, and you put your own color 
> in it, you are able to put color with alpha. I do not remember exactly 
> the method names. But then the alpha transition might be smoother than 
> the one you want.
> For your example you can fill your lut with 4 color and set properly 
> the lut scalar range to behave as closely as you are expecting.
>
> - blue+aplha=0.3
> - green+aplha=0.7
> - yellow+aplha=0.7
> - red+alpha=1
>
> Hope this could help...
>
>