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To output the multichannel EXR for the denoising workflow:
- ROP node > Displays Images > Display Device > OpenEXR (This is for exporting final renders, for previewing with the Nvidia AI Denoiser in "it" you can leave the Display Device as "it")
- Select Single Frame or Cross Frame in ROP's Display Images Tab at the bottom. This will auto-select the appropriate AOVs (only if you followed the step above)
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