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In article <MPG.1517399eed9bd1a989897@news.povray.org>,
jam### [at] ntlworld com (Jamie Davison) wrote:
> I'd have thought that would depend on the material being used to make
> said sponge? With a transparent but reflective material, surely internal
> reflections would build up to the point where they would overpower and
> obscure any view through the sponge?
Well, I was specifically talking about transparent sponges, but I think
that the cross-section area of the sponge will tend toward 0 as the
surface area tends toward infinity, so a ray (or in the real world, a
photon) wouldn't be able to hit a perfect sponge, and would just pass
through it.
--
Christopher James Huff
Personal: chr### [at] mac com, http://homepage.mac.com/chrishuff/
TAG: chr### [at] tag povray org, http://tag.povray.org/
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