[digiKam-users] Tags written by Gimp not read by digiKam

[Steve Franks]

Check digikam Settings | Metadata | Advanced. Click on the Drop-down List
next to Captions and Select Tags.
Ensure that (the default) there is a tick next to
iptc.Application2.keywords, as this seems to be where GIMP stores it tags.
Steve

On Mon, 2 May 2022 at 11:13, Milind Joshi <mmjoshi at iitbombay.org> wrote:

> On mardi 12 avril 2022 14:30:12 CEST Milind Joshi wrote:
>  > Can digiKam read tags written by Gimp? I have catalogs in digiKam which
>  > contain RAW (PEF, ARW, DNG) images  These files are tagged using digiKam
>  > tags. I copy selected files to a different folder for editing in Gimp.
>  > After editing these image in Gimp, I add some tags to the images in
>  > Gimp. After adding the tags, I export these files as a tiff files.
>  > However, when I add the files to the digiKam catalog, these tags are
>  > missing. However, these tags can be seen in Exifview. I also tried the
>  > option to "read tags from file option" in digiKam. Still these tags are
>  > ignored. Is there an option that I need to turn on?
>  >
>  > mj
>
> Which metadata tags are added by Gimp? Not the keywords/tags as you write
> them, but the metadata tag names as shown by Exifview (e.g. with EXIV2
> ,I see
> Xmp.lr.hierarchicalSubject storing my keywords, but so do
> Xmp.MicrosoftPhoto.LastKeywordXMP and Xmp.mediapro.CatalogSets;
> there are four tags that contain the description I added...)
>
> There are a lot of semi-standard tag names and name spaces used to store
> keywords, and by default Digikam only reads some of them.
>
> Remco
>
> Thanks Remco. Don't have much knowledge about how metadata are stored in
> digiKam or Gimp. However, I will explain my workflow below:
>
> 01. Tag file (in this case an ARW file) in digiKam. Image A.
>
> 02. Edit that file in ART. Can see the tags assigned by digiKam here.
> Image B.
>
> 03. Within ART, open the file in an external editor Gimp in my case.
>
> 04. Verify that Gimp can see the tags assigned by digiKam. Image C.
>
> 05. Export the file as tiff.
>
> 06. Import the file in digiKam catalog. Verify the tags originally
> assigned by digiKam are still present. Image D.
>
> 07. Reopen the tiff file in Gimp. Assign an additional tag. Replace the
> tiff file with this file. Image E.
>
> 08. Refresh the digiKam catalog. The tag assigned by Gimp is missing.
> It's missing even after the metadata from the file is read by digiKam.
> Image F.
>
> 09. Verify the tag written by Gimp is present in the tiff file by
> opening it in ExifView. Image G.
>
> Have also attached the screenshots.
>
> I hope this information will be adequate. Can provide further
> information if necessary.
>
>
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