Lightroom/Camera Raw: Indicate when 'Camera Calibration Profile' has reverted.

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  • Updated 7 years ago
As it stands, if for any reason the profile that has been applied to a photo is no longer found, the photo just silently reverts to ACR 4.X.

This makes trouble if you are a person who uses DNG Profile Editor and/or X-rite... for creating camera calibration profiles. If you delete (or rename) a profile, there is no indication which photos lost their profile and reverted.

I propose a develop settings "problem" flag, not unlike the metadata "problem flag" (maybe same flag could be used), that indicates when something is awry, at a minimum, and can tell you what the problem was too.

Likewise, if user applies a preset which specifies 'Calibration', prompt the user if the profile specified in the preset is invalid/missing. Also, go through the presets upon startup and check for invalid references to cam-cal profiles. Ditto for lens correction profiles too, I'm sure.

Bonus Idea:
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Add cam-cal profile management to Lightroom, so this problem "never" happens.

Note, there is a workaround: Use DevMeta to isolate all photos using a particular profile then put them in a dumb collection, *before* deleting or renaming the profile. Then you can reapply a profile (after restarting Lightroom).
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Rob Cole

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Posted 7 years ago

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Steve Sprengel, Champion

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DNGs store the camera profile data inside the file, itself, so they are relatively safe. Native camera RAWs are where the problem lies.

For me a profile being set to ACR x.x would be an indicator of a missing profile since I'd never use that profile by default, but still there's no easy way to determine what the profile was supposed to be so I could find it and re-install it.

A simple listing of all profiles referred to by photos in a Lightroom catalog, with any missing profiles indicated would be very helpful. Maybe someone has a plug-in to do this, already, or are you offering to write one?

Storing the profile data, once for each name, inside the LR database might also work; however, profiles with different data can have the same name so some indication of a name clash would be needed, which is why a profile manager would be helpful.

ACR doesn't have to use a central database for settings, so a way for Bridge to scan folders and compile a list on demand would be helpful.
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Rob Cole

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Steve - I've found a modicum of bizarre behavior recently dealing with profiles - most of which I haven't figured out what's going on - not sure I ever will.

In any case, its not just ACR 4.X that may be fallen back to. Its some sort of default chosen by Lightroom, probably the default that was in play before the non-default profile was assigned, or something like that. Some of my photos revert to 'Adobe Standard', for example.

I may add integrity checking to the AdvancedColorEditor plugin which presently has functions to delete and rename profiles...

On the other hand, I may borrow your idea and just assign all photos to something other than a fallback default (e.g. same profile with a different name), so I can easily tell what's reverted.

Diligence can minimize reversion, but I'd like to see Adobe plug this hole just the same...

PS - DNG file format is not an option for me for reasons that are beyond the scope of this thread.

PPS - Profile data could be stored in catalog by ID, so name conflicts are not a problem. Also camera-model/profile-name is a unique combo.
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Steve Sprengel, Champion

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I prefer not to use DNG as well. Either I double my storage space or lose my original RAWs.
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Andrew Rodney

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Yup, another reason to use DNG. Otherwise, what’s the alternative if you work on a system where an exiting DNG profile disappears or is on another system? Sidecar? I think not. In the catalog? Maybe, but it has to deal with Export/Import from catalog, and not anywhere as elegant as just embedding the profile in the DNG>

Now it would be useful if there was a badge or indication that the profile went missing. But that’s still moot if you just use a DNG.

Now we just need to get lens profiles in there.
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Rob Cole

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See related idea to store profile info in catalog and xmp: http://feedback.photoshop.com/photosh...