Andre wrote in message <3900e470@news.povray.org>...
>what about beign able to give the ior a denstity?  it would be really good
>for rising steam...
>what I have in mind is pretty much like the density we have for density
>nowadays, but for IOR.  I have no knowledge of programming, so I dont know
>if i'm asking to  much.


I've been thinking about how to implement this, and the best solution I've
come up with so far would render far too slowly to be worthwhile (render
times of months to years at best).

Mark

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