Chaos Corona for Cinema 4D > [C4D] Bug Reporting

Caustic pixelate issue on water

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albertoiuav:
Hi all,

i'm using Corona 5 and Cinema 4d r21.
I'm testing caustics and i have to say that the result is quite impressive and precise. I activated caustic on refraction and in general settings of Corona.
But, at the moment i have strange darker square group of pixels.

The water is an high poly plane with a displace deformer.
I calculated both test for 35-40 passes.
I highlighted the problem in one of the images attached. Last one is with a plane without any displacer/bump, the probelm remains.

Hope you could help me.
Thank you in advance.

romullus:
This looks like a bug to me. I'm moving the topic to bug reporting board. It would be best if you could provide the scene for support team to investigate. https://corona-renderer.com/upload

albertoiuav:
Thank you for your reply.
I've just uploaded the scene. And name file is "1578133291_Caustic-issue.zip"


Hope to hearing back from someone soon.
best

Beanzvision:
Hi There,

I had a look at your scene and am also getting those strange darker pixels. I was able to reduce the amount of them by disabling "generate caustics from environment" within the Corona render settings under the performance tab. We still need to investigate further to find the cause of these anomalies.

albertoiuav:
Thank you for your answer..so at the moment, if i understand correctly, the bug remains.
Do you have other similar cases (from other users) in which water caustics produce this kind of issues?

Hope you will find a solution for this problem.
Waiting for some great news.

Best
Alberto

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