Am 9/25/2017 um 17:09 schrieb William F Pokorny:
>
> Starting with the Blender reference, you can accomplish the custom
> curves sort of thing - and more - already in POV-Ray though in a less
> pre-packaged way. See the attached 3.8 scene for a quick example.
>
I wasn't aware of the user_defined pigment functions in 3.8. Thanks for 
the reminder. Cool piece of code, I'll play with it. It might even make 
it possible to create a realistic close up of a candle light - with it's 
typical non uniform light and shadow distribution.

-Ive

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