"Dave VanHorn" <dva### [at] cedarnet> wrote in message
news:3d25b92e@news.povray.org...
> Now, I have to define everything about transparency EXCEPT refraction in
the
> finish, and put the refraction in on the object itself.   Very messy for
> making objects transparent in one render, and not in the next.

Well, it makes sense to me, as the IOR of a substance in reality is more
related to the INTERIOR of an object than just it's surface. Also, if IOR
was the only thing that could be defined in the interior {} block, then I'd
probably agree with you (that it should go in finish{}, but there's MEDIA
also, so an interior {} block makes sense.

All the best,

Andy Cocker

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