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Maya Transparency 'Grit'

4 REPLIES 4
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Message 1 of 5
kevin.buss
257 Views, 4 Replies

Maya Transparency 'Grit'

Trying to render a fade animation with Maya, using Arnold Render and currently have a lambert applied to a shipping container's wall.

When I try to do a render it leaves behind these lines and faces that show up depending on the angle.

Any ideas how to remove this?

Below is midway through the fade animation

4071-wall-grit2.png

Below is transparency 0

4070-wzxsdww42o7z.png

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4 REPLIES 4
Message 2 of 5
lee_griggs
in reply to: kevin.buss

Don't use Lambert. Do you get the same with Standard Surface?

Is that effect bump mapping? It is hard to guess what is going on without knowing more about the scene - screengrab shader networks, wireframe, outliner etc. Can you also post a simplified scene?

Lee Griggs
Arnold rendering specialist
AUTODESK
Message 3 of 5
kevin.buss
in reply to: lee_griggs

It happens when I use Standard Surface with either Transparency or Opacity

Message 4 of 5
lee_griggs
in reply to: lee_griggs

Do you have textures connected to the Standard Surface shader?

Have you used the Isolate Select icon in the renderview to isolate where it's coming from exactly?

Maybe try reducing the Specular or Transmission Ray Depths to see if that gets rid of it.

You could also a use a Ray Switch shader to use different shaders for reflection/refraction if that is the case.

Lee Griggs
Arnold rendering specialist
AUTODESK
Message 5 of 5
kevin.buss
in reply to: lee_griggs

Yes they're connected to the Standard Surface
How do I use "Isolate Select"?

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