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Mathias Starcke avatar image
Mathias Starcke asked ·

What happened to normal map rendering in 2019?

All my models get black normal map edges at certain angles, almost like a fernel effect. It only happens when I hook up a normal map to my model, not when just using Maya Soft Edge shading. When I open up the exact same scene in Maya 2018 it renders perfect!
What happened?

Here is 2019 and 2018:

arnolderrornormal map
problem2019.jpg (426.8 KiB)
problem2018.jpeg (441.3 KiB)
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Gordon Moran avatar image
Gordon Moran answered ·

I'm seeing the same thing in my renders in Maya 2020. Is this a known issue?


1584153779173.png (133.2 KiB)
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Lee Griggs avatar image
Lee Griggs answered ·

Are you using the normal_map shader or the Maya bump node?

Is the color space set to RAW in the file node?

If that doesn't work can you upload the map somewhere?

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My process was, that I clicked the checker next to the bump/normal map input in the material, and bound a regular maya file node to it, so it created the regular bump node between the file node and the material. This is how I have done it before and it has always worked, except in 2019. Does the new version have to use Arnolds own normal node?
And yes it is set to raw, and as you can see, the same scene in 2018 displays it correctly, and all I do is open the scene in the 2018 version.

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Are you using Tangent Space Normals?


>Does the new version have to use Arnolds own normal node?

No, just curious.

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1575546816558.png (9.7 KiB)

I don't see any bump in the 2018 render btw?

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