In article <3eef9053@news.povray.org>,
 "Tim Nikias v2.0" <tim### [at] gmxde> wrote:

> 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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