[vtkusers] Image plane widget + color transfer function?

[Paul Melis]

Doh!
Ah well, thanks anyway :)

dean.inglis at camris.ca wrote:

>I guess you are back to vtkLookupTable again... :(
>
>Dean
>
>Well, yes, that will make the image-to-colors object output alpha values.
>But I see no way to *specify* the alpha values anywhere, as a 
>vtkColorTransferFunction only takes RGB triplets.
>Maybe I wasn't completely clear, but I want to set an alpha values per 
>color table entry, not an overall alpha value for the whole IPW.
>
>Paul
>
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