Hmm, actually, if you use my approach you might want to use tga images
instead of png, since POV-Ray does some odd gamma-correction to png
image_maps making them darker than they should be.

Also, the applied antialiasing in each iteration may blur the final
result slightly, though very little I think. However, if it's a problem,
you can always render the whole thing without antialiasing in a higher
resolution and then just scale the whole thing down afterwards.

Rune
--
3D images and anims, include files, tutorials and more:
rune|vision:  http://runevision.com **updated Mar 9**
POV-Ray Ring: http://webring.povray.co.uk

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