Ross Litscher wrote:
> I take it that the gray is supposed to disappear?
Yes. :)
Your visual system is sensitive to light ratios. The ratio of intensity
of adjoining pixels is negligable, so if not seeing the picture as a
whole you don't see the contrast.
--
David Fontaine <dav### [at] faricy net> ICQ 55354965
My raytracing gallery: http://davidf.faricy.net/
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