stbenge schrieb:
> Render that and you have no SSS effect, you only get backside 
> illumination effects. You might as well have not even given that object 
> media.
> 
> An object's media (or interior fading) will not cast shadows onto the 
> object itself.

That's not how it should be of course.

Now that you mention it, I didn't add any code to explicitly inform 
POV-Ray that during the backside shadow testing we're /inside/ the 
object of course (if it is solid and not just a patch). Symptoms to be 
expected: Failure of POV-Ray to compute media for the object...

Ouch.

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