Ron Parker wrote:

> You can use +UA while outputting to a format that supports alpha
> transparency (PNG or TGA).  You'll need some sort of external program
> to convert to transparent GIF (gag, spit).  Be aware that support for
> transparent TGA is spotty; even Photoshop (version 4 anyway) doesn't
> support them correctly.

Hey, cool. That could prove very useful!
When using aa, does POV aa the alpha channel too so you can have a smooth
transition to the background?

--
David Fontaine  <dav### [at] faricynet>  ICQ 55354965
My raytracing gallery:  http://davidf.faricy.net/

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