>> I always wonder, so I ask it here, what are objective (measurable?)
>> criteria to determine the quality of a renderer/tracer/..

Fabian BRAU wrote:

>I think this is really difficult. The only example I know
>is the Cornell box: [snip]

The level of "photorealism" that can be achieved with a certain renderer. 
But what if I want to do cartoonish stuff, or render my latest LSD-trip?

>
>For commercial software, I suppose this is less "scientific".
>But for them, rapidity of rendering and the feeling of reality
>(which is not reality) are really important.

This, I think, comes close: "costumer satisfaction" And it can very well 
be measured with questionaires.

Ingo

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