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> You have multiple reflections and refractions. That mean that you have
tons of
> rays to compute. Add the aa and the small bumps, you need lot of
subsampling =
> lot of time.
yes, but looking at the original scene for the first time, I'd never have
guessed it!
but you're right, there are rays passing through 3 cups with IOR and
normals, as well
as reflecting off the other cups in the scene. It's insanity squared!
> Try adding adc_bailout 0.01 in the global_settings.
I'll try that. As well as some no_image, no_shadow trickery...
> It will cause a small decrease in quality that can go unnoticed, but
will
> accelerate things as the ray tracing will often stop much earlier.
And I didn't even go with media for blurry shadows, area_lights, radiosity
and caustics!
I wonder how much time it'd take in an unbiased renderer such as Indigo or
Luxrender...
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