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Jaggy glass redshift material


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Hey all,

 

 

Started again with using Redshift but I noticed that my glass material comes out jagged.

Which samples should I crank up to reduce this?

I already tried the refraction and the reflection samples without any better result.

 

The lights in the scene are 4 area lights with each 128 samples. Not sure if this can effect it.

My unified sampling is at 4/16.

 

Let me know if more information is required.

Thanks for the help.

Redshift-glass.jpg

Glass-material.png

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Your samples are not set well - your local (light samples) need to be significantly higher.

Try the lights at 1024 samples

and unified at 16/128

 

Recent versions of Redshift have an 'automatic sampling' option. It won't be as fast as setting up good values manually - but it's a simple one value setting.

What version of Redshift are you running?

 

If you really want to understand Redshift sampling,  I'd suggest you watch this video:

 

 

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Another 'bounus tip' if you want best quality glass  in Redshift:

 

Lights and HDRI domes > Ray : Affected by refraction: always

Material > Optimisations : Cull Dim Internal Reflections : off

Material > Advanced : shadow opacity may need to be increased.

Render settings > Optimization : Reflection/Refraction/Combined: 16

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