Christopher James Huff wrote:
>In article <3d3b2dc3[at]news.povray.org>, "RAY" <RAY### [at] yahoocom> wrote:
>
>> Could this be implemented in a version (official/unofficial) based on 3.5?
>> http://www.noisemachine.com/talk1/11.html
>
>Variable ior requires very large amounts of processing power, and is
>rarely of any use. This "could" be implemented, but it would require
>rewriting a lot of code and the end result would be little more than a
>curiousity, so it is unlikely anyone will do so. Most of the things you
>could want this feature for could be imitated by using multiple layered
>surfaces with varying iors and normals.
At least we now know that it's possible.


=RAY=

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