Hm.. I don't understand what you're after.
What I'm doing now is take several pigments
and average them for the blurring effect. I then
wrap this into a function and apply my own
color_map. So I'm passing it through the function
like you suggested. Or am I misunderstanding
something?
Do note that I do need transparency based on
the brightness, so I'm not sure what you're after.
Are you suggesting I should use image_map function
to create an internal image-map, then pass that to
a function again, for me to apply the transparency?

-- 
Tim Nikias v2.0
Homepage: http://www.digitaltwilight.de/no_lights
Email: Tim### [at] gmxde


> > Did it with pigment-patterns alone, but had to
> > go through a function once to apply my own
> > color-map for transparencies. Thanks for
> > the suggestion anyways!
>
> The point of using a function image would be for rendering
> speed...evaluating the function/average pigment can get quite slow, you
> can do it once at parse time and get a faster render. If you're just
> rendering the image on a plane to just do a post-process filter, this
> probably won't help.
>
> -- 
> Christopher James Huff <cja### [at] earthlinknet>
> http://home.earthlink.net/~cjameshuff/
> POV-Ray TAG: chr### [at] tagpovrayorg
> http://tag.povray.org/

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