NoNoise adding magenta tone
Answered
When I send an image to NoNoise from LrC, if Luminance or Enhance Details are turned up very far, the image gets a magenta tone like a LUT has been applied. When the image is sent back to LrC, the magenta tone change follows the image.
Ticket has been submitted along with screen images showing the problem.
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What happens if you turn off the Preference > Files setting Disable Base Corrections on RAW Photos?
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Seems to fix the problem. Thanks. Can it be that simple?
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I told Stevie about the Preferences change and he is forwarding the info to design.
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Cool, I didn't know if that would help or not. Glad it did.
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Note that make a change in Preferences is not a real solution. It is only a workaround. The problem needs to be fixed in the app. The problem is similar moving an image from C1P to NoNoise.
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I'm pretty sure they are working on it. I reported some problems with color shifts during beta testing too.
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I have been seeing the magenta colour cast when sending DNGs to NoNoise, including trying to double process an image. So far only DNGs seem to hit this problem
Setting Details to 0 removes the colour cast but changing the Base Settings preference has no effect. Details can be set to value other than 0 without adding colour cast but only if Luminance set to 0 as well. Seems that problem only exists if Luminance is non-zero but it is the Details setting that actually adds the colour cast. That makes sense in that if there is no Luminance noise reduction applied then no details have been lost so Details slider is disabled.
As a second test I converted a RAW file to DNG using the Adobe DNG converter, once with lossy compression option enabled and once without. Opening the lossy compression version hit the same magenta colour cast issue but no colour cast appeared on the version with no compression regardless of the Details value.
This suggests that currently NoNoise has issues handling compressed DNGs, and probably uses some form of compression when it outputs a DNG itself. DxO Photolab DNGs behave in the same way.
I have submitted my findings, with screenshots, to On1.
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This suggests that currently NoNoise has issues handling compressed DNGs, and probably uses some form of compression when it outputs a DNG itself. Nice find. Thanks for the update.
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The status of Answered is not correct if that means resolved. The resolution/solution will require product updates from On1.
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It does not mean that the problem has been fixed. Only that the question asked has been answered.
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When I first tested NoNoise, I was using RAW files from a compact Nikon Coolpix P7000. It worked fine. But when I tried RAW files from a Nikon D7500, the exported .dng is darkened and has a magenta tint on a large window behind the subject. I checked colour space of the camera and and NoNoise - both set to sRGB. In NoNoise Preferences, Disable Base Corrections on Raw Photos is unchecked. The two images are unedited jpeg exports from ON1 PR 2021.5. The top, lighter image is straight from ON1 PR, the bottom dark image is from a .dng sent from NoNoise. I will submit a ticket.
UPDATE: When I send a .jpeg version of the Nikon DD7500 RAW, there is no magenta added to the window, and there is no darkening of the image. Usually I shoot RAW only. But something told me to shoot jpeg as well for this job.
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