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Rendering with Arnold in CINEMA 4D using the C4DtoA plug-in.
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No AOV in EXR after Denoising

8 REPLIES 8
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Message 1 of 9
info9DDWD
1721 Views, 8 Replies

No AOV in EXR after Denoising

Hello,

i have a Question about the EXR Denoising and AOVS.

You can see my Settings in the Picture and i think, it is ok.


So i Render, all Layers in the EXR File. AOVs and all in Photoshop and After Effects. Perfect-

So i Denoise in Arnold, only the Beauty Pass is in the EXR.


And other AOVS are ignore...


I hope you can help me.


Arnold exr2.jpg


Arnold exr.jpg



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8 REPLIES 8
Message 2 of 9
Stephen.Blair
in reply to: info9DDWD

I don't see any AOVs listed in Light Group AOVs, except for that "background" aov.

Only the beauty is denoised, and only the denoised AOVs are output by the denoiser.

You have to add other AOVs to the "Light Group AOVs" list. They don't have to light group AOVs, they can be any AOV...like "diffuse"




// Stephen Blair
// Arnold Renderer Support
Message 3 of 9
info9DDWD
in reply to: info9DDWD

Hello,


thanks for the Answer.


So i push on "Read available AOVs" it doesn´t find any AOVs.

Message 4 of 9

The Arnold Denoiser writes out the denoised AOVs, which is only the beauty (RGBA) by default. To output additional AOVs, list them in the Light group AOVs field, for instance in your scene:

diffuse specular background object_mask1

If they can not be denoised (e.g. no variance layer exist for an AOV), then they are just copied to the output.

Message 5 of 9

Seems like something's broken with that Read button, I'll take a look.

Message 6 of 9
info9DDWD
in reply to: info9DDWD

Arnold exr3.jpgHello,


thank you!


So i wrote the diffuse in for the test. Then another error occurred and the disffuse is not included. It probably doesn't have a variance layer.

Error:

Will just copy AOV "diffuse", variance not found
Output file will be "E:\Test\Arnold exr\Test Neu2\Versuch\Test_denoised.exr"
Start denoising (patch radius 3, search radius 9, variance 0.5)
Denoising RGBA
Denoising diffuse
Could not find AOV with source diffuse and filter variance_filter
Could not find variance for AOV "diffuse", skipping denoise.


Message 7 of 9

According to the log: "Will just copy AOV "diffuse", variance not found" means that the diffuse AOV just copied over to the output without denoising. I made a quick test and it's there.

Message 8 of 9
osukas
in reply to: info9DDWD

I'm testing the Denoiser, but when I use it it only denoises my RGBA channel, I tried to also denoise the AOV exr file I made and tell me that can´t find the variance AOV, tried to add it but I can´t find it anywhere, I need to denoise my diffuse, specular and transmission layers for compositing.

 

 

Message 9 of 9
peter_horvath
in reply to: osukas


@osukas wrote:

I'm testing the Denoiser, but when I use it it only denoises my RGBA channel, I tried to also denoise the AOV exr file I made and tell me that can´t find the variance AOV, tried to add it but I can´t find it anywhere, I need to denoise my diffuse, specular and transmission layers for compositing.


 Make sure the AOVs are added to the EXR driver and Output Arnold Denoiser AOVs checked.

peter_horvath_0-1665475622598.png

Render your scene. Then go to the Denoiser tab, select the exr and set the AOVs in the Light group AOVs field.

peter_horvath_1-1665475740455.png

 


// Peter Horvath
// C4DtoA developer

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