In article <01c00a0f$e38e12a0$077889d0@daysix>, "H. E. Day" 
<Pov### [at] aolcom> wrote:

> Could someone look into making Povray do variable alpha channels?  What I
> mean is comparing a piont transparency against the backround, and placing
> that info in the alpha channel. Can this be done?  Povray doesn't seem to
> support it currently.

How about having the ability to specify a separate image as the alpha 
input? Or even better, a pigment, and don't restrict it to specifying 
transparence for image_maps, let it work for any pigment. Sound good?
Now we just have to figure out how to do it... :-)

-- 
Christopher James Huff
Personal: chr### [at] maccom, http://homepage.mac.com/chrishuff/
TAG: chr### [at] tagpovrayorg, http://tag.povray.org/

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