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Mesh volume problem

Posted: Fri Apr 17, 2026 9:20 am
by HHbomb
Hi, somebody can tell me why sampling is looping between 0 to 1 ? I don't use volumes or medium often , so I certainly made something wrong... :roll:
Thanks !

Re: Mesh volume problem

Posted: Fri Apr 17, 2026 12:46 pm
by tombyrom
Check 'Quick Mode' in Kernel render settings

Re: Mesh volume problem

Posted: Fri Apr 17, 2026 2:24 pm
by HHbomb
@tombyrom : Thanks, it works ! :-) BUT why ? ( I always uncheck this )

Re: Mesh volume problem

Posted: Fri Apr 17, 2026 4:31 pm
by tombyrom
Mine is on by default - I've never run into any issues with it

Re: Mesh volume problem

Posted: Fri Apr 17, 2026 6:53 pm
by coilbook
HHbomb wrote: Fri Apr 17, 2026 9:20 am Hi, somebody can tell me why sampling is looping between 0 to 1 ? I don't use volumes or medium often , so I certainly made something wrong... :roll:
Thanks !
It’s a bug that hasn’t been fixed for years. I think it goes away when motion blur is turned off. Octane doesn’t like certain objects having motion blur especially vertex mb (like itoo forest or its reference geometry), or something in the kernel gets enabled (sometimes AI light) that the system doesn’t handle well. Sometimes resetting the kernel and camera profile to default is needed.