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Rendering with Arnold in 3ds Max using the MaxtoA plug-in.
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imager_denoiser_oidn not denoising in Linux Maya batch render

9 REPLIES 9
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Message 1 of 10
matthias.richter
554 Views, 9 Replies

imager_denoiser_oidn not denoising in Linux Maya batch render

Although it's listed as a node in the scene when batch rendering the scene the oidn imager is not doing anything. The images are the same as the ones without the imager. Running the same scene under Windows in Arnold Render View works very well.

I've checked the CPU capabilites of the Linux blades using the oidnTest and they passed all tests.

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9 REPLIES 9
Message 2 of 10

Does batch render on Windows work?



// Stephen Blair
// Arnold Renderer Support
Message 3 of 10

No. Tested in on my Windows 10 machine with MtoA 5.0.0.1

Although the node is listed when the scene is parsed it's not used. The output is the noisy one. Setting an output suffix in the imager node results in a black layer in the final exr.

Message 4 of 10

Ok, I am trying it now...(on Windows)


// Stephen Blair
// Arnold Renderer Support
Message 5 of 10

I got it to work after I remembered a solution I created a while ago when various imagers created black AOVs.

The workaround is to create a custom AOV with an LPE that contains the beauty (C.*) and use this custom AOV as an input for the imager. This works in batch under Windows and Linux.

Message 6 of 10

I couldn't reproduce the problem, at least not with a default oidn imager that worked on the RGBA.



// Stephen Blair
// Arnold Renderer Support
Message 7 of 10

No problems for me. Windows 10, MtoA 5.0.0.1


// Stephen Blair
// Arnold Renderer Support
Message 8 of 10

I wonder if you're using this imager in a way that's different from how we use it. Can you post a zip file of a simple scene (say a sphere with a single light, no textures or any other fancy shaders) with your denoiser enabled so we can reproduce exactly what you're doing?
Message 9 of 10

I've created 2 simple scenes. The working one is using my LPE workaround the other one has the imager attached as it comes out of the box which should be cleaning the RGBA AOV. But it isn't.


oidn_denoiser.zip

Message 10 of 10

If I turn off Output Denoising AOVs, then I get OIDN to work.

Output Denoising AOVs is for the Arnold Denoiser aka noice



// Stephen Blair
// Arnold Renderer Support

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