Camera Raw 12: Not updating XMP files for HDR or Panorama

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  • Problem
  • Updated 3 months ago
  • (Edited)
When creating HDR files or merging panoramas, ACR does not save/update complete XMP data files. Star-rating changes or file adjustments are only recorded if image files are saved to a separate format, not if 'Done' is clicked in the ACR window.

MacOS 10.13.6
ACR 12.2.0.386
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Evan Parker

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Posted 4 months ago

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Johan Elzenga, Champion

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HDR and panorama files are DNG files. They don't have XMP (sidecar) data files. All edits and metadata are stored inside the DNG file header.
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Evan Parker

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Thanks, didn't think about that. Then I revise the original complaint that it is not properly updating DNG files created from Canon .CR3 RAWs. Have not tested with .CR2s and ACR 12
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Rikk Flohr, Official Rep

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Evan can you give me a step-by-step list of what you are doing? What you expect to see at the end? What you are seeing instead?
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Evan Parker

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Rikk,
Standard workflow is:
Images are imported into Photo Mechanic with XMP metadata files, and rated after import. 
1-star images are selected and opened in Camera Raw
HDR and Panorama files are created in Camera Raw, automatic adjustments are applied, and resulting DNG files are rated 2 stars.
Click Done I return to Photo Mechanic, select the 2-star rated files, and reopen in Camera Raw for editing.

In the past (with .CR2 files and all previous Camera Raw versions) this workflow was successful. With .CR3 files and ACR 12, only one DNG file (if any, and usually not the first one) retains metadata, the others do not retain the new rating applied in ACR or any of the adjustments.

My current work-around is to click Done after merging, return to Photo Mechanic, sort by modification time, and select the newly created DNG files. Then I re-open them in ACR and apply edits as I go.

If I select the merged files and Save them, the edits and ratings are retained.

Hope this helps.

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Rikk Flohr, Official Rep

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To troubleshoot, if you apply the star rating via Photoshop after the Camera Raw merge, do the ratings stick?  File>File... Basic>Rating.
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Evan Parker

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Yesterday after processing I received a pop-up in Camera Raw that 'Settings have been updated'.
Testing today it appears that the issue has been resolved- when merging files to HDR, changing the rating in ACR, and clicking done, the DNG files are retaining both the new rating and the ACR adjustments. I'll let you know if any other issues come up this week. Thanks for the quick reply.