High!

clipka wrote:

> If you're using POV-Ray 3.7, try the diffuse backside illumination 
> feature: Just add another float to the "diffuse" statement. This will 
> have part of the illumination filter through to the other side 
> (presuming that the rings are implemented as infinitely thin disks, 
> otherwise you'd have to have radiosity enabled to make it work).

Sounds tempting... but does a version for Debian Linux already exist? 
Otherwise, I will have to try it on my slow old Pentium III-933 which 
runs Windows XP...

No, they are not disks (which would have no interior), but very thin 
(200 metres) cylinders!

See you in Khyberspace!

Yadgar

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