On Thu, 8 Apr 1999 00:06:52 +0200, Daniele Varrazzo <piroofficineit> wrote:
>If glass is not perfectly polished, its refraction is blurred like an
>out-of-focus camera... I think it's an easy to implement routine (even if it
>could slow down dramatically the tracing time).
>Analogous considerations with not perfect mirrors.
>The ideas are all here. Is anybody thinking to implement it?

Blurred reflections are implemented in the superpatch, and independently
in a patch called WyzPOV.  Both are available at 
http://twysted.net/patchstation .  Blurred transmission hasn't been done
yet, to my knowledge.

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