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sparo
Post  Post subject: AO_issue  |  Posted: Mon May 30, 2016 6:07 pm

Joined: Tue Mar 22, 2016 7:38 pm
Posts: 31

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I am having an issue with rendering an AO layer. It seems to be due to subdivisions. My model is low res, with smooth preview turned on. Normally, I haven't had any issues rendering with FB and smooth preview, even with an AO render. But now I am getting some weird artifacts.

This is the AO render with smooth preview on and subdivisions checked on in the render node. You can see around the neck and underside of the hat and on the characters ear and so on, where the AO disappears.

Attachment:
AO_issue1.jpg
AO_issue1.jpg [ 157.33 KiB | Viewed 8330 times ]


This is a render with subdivisions checked off in the render node. The AO renders fine, but it is low res.

Attachment:
AO_issue2.jpg
AO_issue2.jpg [ 139.99 KiB | Viewed 8330 times ]


I've tried checking on subdivisions in the FB settings of the geometry, but that doesn't help.


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Jan_Smejkal
Post  Post subject: Re: AO_issue  |  Posted: Tue May 31, 2016 8:35 am
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Joined: Fri Aug 13, 2010 10:30 am
Posts: 794

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Hi,
please check normals and tangents. You can render also normal pass to check if it is correct.


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sparo
Post  Post subject: Re: AO_issue  |  Posted: Fri Jun 03, 2016 9:46 pm

Joined: Tue Mar 22, 2016 7:38 pm
Posts: 31

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Everything looks fine to me. Here is a close up of just the hat's normals and tangents. They all seem to be correct, I think. Your thoughts?

Attachment:
AO_issue3.jpg
AO_issue3.jpg [ 1.99 MiB | Viewed 8313 times ]


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Jan_Tomanek
Post  Post subject: Re: AO_issue  |  Posted: Sat Jun 04, 2016 6:01 am
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Joined: Tue Oct 27, 2009 11:03 pm
Posts: 1607
Location: Prague - Czech republic

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Turn on Normal pass in FurryBall, to see it.
Also be sure you have UV on object.

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sparo
Post  Post subject: Re: AO_issue  |  Posted: Wed Jun 15, 2016 6:43 pm

Joined: Tue Mar 22, 2016 7:38 pm
Posts: 31

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Thanks, the issue was that the UV's were not mapped on the geometry with solid colors. Once I mapped the UV's, the AO pass works perfect.


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