Am 23.03.2011 22:28, schrieb stbenge:

> I don't know if it's an accurate way to do it though, I just knew I
> should make a transform based on the ior of both water and air, and a
> reciprocal seemed like the best way to do that.

Yup, that's the way to do it. For all optic phenomena I know of, the 
absolute IOR of participating media is irrelevant - everything is in the 
/ratio/ between the respective refractive indices.

(An alternative would have been to model the water using a scene-wide 
interior, i.e. using an interior{} block outside any objects.)

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