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

AI denoiser - permanent crash & other bugs in V6

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Designerman77:
Hey Corona dev. team,

today I finally installed V6. Following major bugs observed:

1. AI-denoising pernmanently crashes.
2. Round edges-bump map does not have any effect.

Any suggestions, how to get it running?

V6 seems to render interiors much faster than V5 - and I do want to benefit from this.

Thanks in advance for tips how to fix those two bugs.
Cheers.
 



Update: uninstalled & re-installed.
Now getting this damaged images after de-noising with AI denoiser (see attachment).



C4D version: 21.207
OS Catalina 10.15.2
Mac Pro 2019 - 16 cores, 3,2 gHz

mmarcotic:
Hello,

this is the first time seeing this, would it be possible to submit a _BugReport.txt to us? (see how in my footnote).
By v6, I suppose you mean V6 hotfix 2?
For b) - Are you making sure your Bump mapping Strength is at 100%

Thanks,
Jan

mmarcotic:
Additionally, could you try to install the latest V7 Daily Build? We have updated the intel denoiser to the newest version and that might just be the fix for you.

Thanks,
Jan

Designerman77:
Hey Jan, thanks a lot for your quick reply.

Round edges indeed show up only if strength is at 100%.
This is new in V6. Has not been like this before in V5 (default was on 10%).

Thanks for this tip! Works.

Regarding the crashes when AI denoiser is used - they still occur on all tests using V6 hotfix 2.
Bug teport .txt is attached here.

Regarding COR hi-q denoiser, it does not crash, but still does not clean up round edges bump - and generally all bump map areas properly.
( Image also attached. )
I had already reported this issue over one year ago. At that time it made Corona basically unusable, until devs came up
with the AI denoiser.


I´m gonna give V7 daily build a try now and report how it behaves.

Alternatively, I will switch C4D from 21 to a newer version.


Generally I see that V6 renders so, so much faster in interior scenes and I can't wait to profit from this!
My yesterday's test showed ca. 20-30% faster rendering and also more pleasant / realistic light calculation in the scenes.


Cheers!

mmarcotic:
Looking at the scene, could you also attach the hdri?
In V7, I am not getting any intel denoiser crashes and/or weird blue lines in render on MacOS Big Sur.

Regarding jaggy edges, how many passes are you letting pass? If you are using the 30s threshold which is in the .c4d file, it might not be enough; Denoiser is amazing but it's still not the only thing contributing. You can also fiddle around with the denoise amount, if that works for you (.65 is the generally accepted value)

Thanks,
Jan

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