scott escreveu:
> I think it's just a matter of tweaking the colours, filter/transmit 
> parameters, reflection values, etc.

I gave up on that already.  Lost lots of hours tweaking lots of 
disparate parameters.  At least there's not much of that with 
physically-based renderers.

> I don't think that the Mental Ray shader is doing anything fundamentally 
> different to POV or Luxrender.

Still, it seems to display some of the best glassware around.  If it 
requires this much tweaking, I wonder why so many users seem to get it 
relatively easily in their renders.

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