Chaos Corona for Cinema 4D > [C4D] I need help!

Caustics

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Redeemer:
Hi!

In prep of a new project I'm already testing some of the features I need to render. One of them is proper caustics. I'm struggling with the quality of the caustics, it just has a lot of noise which is -fo sho- going to be disapproved by the client.
Simple scene setup: Csun + Csky + Fast Caustics on both bottle and liquid. Noise level went down to 1,44% and applied denoising (fireflies only)

Attached are the beauty and the caustics pass.

Is there any way to get it less noisy and more realistic?

TNX!

maru:
Try not using render regions (just render full frame). Currently regions are not working very well with caustics. We are aware of this and want to improve it.
Another idea would be to lower the GI vs AA value from 16 to less, for example you can try with 8. This way the caustics will be calculated more often, resulting in higher quality of caustics compared to other image features.

Redeemer:
Thanks Maru, going to try that!

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