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Question by Stib · May 03, 2011 at 07:17 AM · lineartifactsssao

SSAO Filter drawing line artifacts

I just bought Unity Pro and have used SSAO for a couple days. Yet today I noticed these lines.

alt text

The lines move with the camera, changing angle and position. Lots of flickering occurs. I am using the default settings on the SSAO filter. I have tried different materials with no effect and I know it is the SSAO filter because when I turn it off the line is gone. I also tried adjusting MinZ (as the manual suggests) and nothing changed.

alt text

I love this filter but these lines make textures look like garbage, the line flickers about the faces of the cubes and is very noticable. Please help. Thanks.

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avatar image Marnix · Jun 28, 2011 at 01:55 PM 0
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Same here! It is computer dependent. $$anonymous$$y computer does have it, but a colleague of $$anonymous$$e doesn't. We both have a NVidia card.

avatar image Waz · Jun 28, 2011 at 02:04 PM 0
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Any chance you could post new images somewhere?

avatar image Waz · Jun 28, 2011 at 02:06 PM 0
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It would be interesting to know if the problem changed or went away if the nearPlane of the camera is increased, as this increases the effective depth of the depth buffer (bring far plane in too).

avatar image Marnix · Jun 28, 2011 at 02:11 PM 0
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I found for myself, that using UniSky with a farplane of 100000 is not a good idea. I'm going to rewrite that with two cameras and depths or something.

avatar image equalsequals · Jun 28, 2011 at 07:08 PM 0
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Unity only uses a 16-bit depth buffer if I'm not mistaken, even a far plane of ~5000 can be a bad idea.

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Answer by Stib26a · Feb 01, 2013 at 08:07 PM

Changing the Far clipping plane seemed to Fix it. Thanks guys!

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