"Thomas de Groot" <t.d### [at] internlDOTnet> wrote:
> Imagine you are standing in a hothouse. The glass is painted white but lets
> sunlight pass through in a diffused way. How can you simulate this in
> POV-Ray? I have been experimenting in several directions but the results are
> totally different from what I want. Anybody an idea how to solve this?
> Alternatively, how do you simulate sunlight passing through a piece of white
> cloth? With objects standing in the way casting shadows that you can see on
> the other side?

Have you tried double_illuminating polygonal windows/cloth, then using
high-quality radiosity? Would require quite a bit of parameter-juggling but
seems feasible off the top of my head.

Bill

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