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

Animation noise issue

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burnin:
Here you go. Modified scene. Strive to KISS ;)
Tell me how it goes.

Mac3DX:
I'll test it out. What exactly did you change in the render settings, GI solver set to 4k?

Found this information from Maru in other post which makes sense:

4K Cache is similar to the UHD Cache in the way it works and how it should be used, however it has slightly different properties. Most of all, it should never flicker, even when calculating it from scratch for each frame. The pattern of the 4K Cache should also be more consistent when rendered on different computers. It should be a better choice for animations (be it calculating from scratch for each frame or appending to the existing calculation). It should also calculate faster.

Mac3DX:

--- Quote from: burnin on 2022-09-13, 15:47:27 ---Appears to be adaptivity issue. Disable it. (Yes, it's an old bug.)

--- End quote ---

What kind of bug are you referring to? Has it already been reported to Chaos?

burnin:
I suspect it to be same as in case of "noise visible in volume coming from mesh-lights close to source" (it's reported).
So with that in mind I modified most of it. When you'll analyze the scene you'll also notice other changes: reduced polys of mesh lights to single quad (note that every triangle is a source of light); sphere isn't Standard, Perfect, nor subdivided anymore, but just icosahedron @100 (less polys, no poles, less pre-comp., still looks perfect); "Wax Fixed" has Layer removed (it's risky to use it w Corona); Frame Buffer Type is set "None" (faster, better for post-pro & OIDN; Highlight Clamping set to "1" (removes excessive bright spots/fireflies, also lowers noise;), Adaptive Light Solver "Off" (precaution measure), Adaptivity (Disabled), Enviro Sampler "Faster"...

I just tried again w/ Adaptive stuff back on and it renders fine. Highlight clamping set back to "0"also shows only minor change... So play around with settings (in bold) and see what change will bring noise back. Learn some and keep us posted.
And in future endeavors just remember of KISS principle (Keep It Simple Stupid).
 :)
Enjoy

Mac3DX:
Really appreciate your help. I'll play around with the settings, but what a pain in the neck. What should be simple turns into a nightmare.

I hope developers put some effort into that to make the user's life simpler. Honestly, I always had the idea Corona could solve most of the problems, but I've already had quite a few issues which is compromising.

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