Am 25.07.2012 00:45, schrieb Chaanakya:

> Okay.  That makes sense.  But shouldn't the image change if I give it an IOR of
> -1.5 (instead of 1.5)?  There's no change in the image.

There is, if you pay close attention. For instance, the total internal 
reflections are gone.

That said, as has been mentioned before a non-positive IOR is physically 
nonsense. (Metals have a complex IOR, but that's an entirely different 
story.)

Try something like 1.0, 0.5 or 2.34567.

Post a reply to this message