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Ambient occlusion pass not showing

PostPosted: Mon May 29, 2023 8:59 am
by Andreas_Resch
Any ideas why the Ambient Occlusion pass in not show in Preview - neither with Classic Render Passes nor AOV outputs? The preview isn't even refreshing when switching to Ambient Occlusion.

Re: Ambient occlusion pass not showing

PostPosted: Tue May 30, 2023 7:50 am
by J.C
Looks like a bug. It's not working on latest 27.16 for Studio+ license

Re: Ambient occlusion pass not showing

PostPosted: Tue May 30, 2023 2:12 pm
by Andreas_Resch
I only have 27.15 - the bug is there too. Let's hope a dev sees it and adds it to the list.

Re: Ambient occlusion pass not showing

PostPosted: Wed May 31, 2023 10:50 am
by linograndiotoy
It's a current limitation due to the Shared Surface option. Just turn it off in the Octane addon options to be able to visualize the Occlusion pass.
Even if Shared Surface is on, the occlusion pass is generated correctly in the final render, by the way.

Re: Ambient occlusion pass not showing

PostPosted: Wed May 31, 2023 10:59 am
by Andreas_Resch
Thanks for the clarification. I will keep "Shared Surfaces" ON as it says that it improves performance and I don't often need Ambient Occlussion. But please fix it anyway. Cheers.