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Getting Rid of Grainy Renders

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Richard Windsor
Getting Rid of Grainy Renders
on Feb 4, 2014 at 8:34:48 pm

Something that I come across often is that I am getting some renders that come out grainy in the shadows or even sometimes all over the image. What exactly is causing this and is there an easy way to correct it? I am doing a animation with some candys falling and they are very grainy. Any Suggestions? I have attached what it looks like.



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Adam Trachtenberg
Re: Getting Rid of Grainy Renders
on Feb 4, 2014 at 9:32:38 pm

Need more information. Are you using GI? If so, QMC mode? Area shadows? HDRI background? Any noise in the textures?


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Brian Jones
Re: Getting Rid of Grainy Renders
on Feb 4, 2014 at 10:19:50 pm

in addition to Adam's list, any AO?


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Richard Windsor
Re: Getting Rid of Grainy Renders
on Feb 4, 2014 at 11:14:11 pm

Its has HDRI and rendered with AO. No noise in the textures.


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Adam Trachtenberg
Re: Getting Rid of Grainy Renders
on Feb 5, 2014 at 1:14:57 am

The grain is probably coming the AO. Try increasing the maximum samples and/or accuracy.


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