There is a multitude of infinitely more efficient and faster software for this. Using a NAS's own Software (whatever it is) to sort / tag tens of thousands of photos is nonsense. Since I'm not overly keen on repeating this soon, I guess I'm gonna take great care about my choice of tag hierarchy branches.The main problem here is divided into two parts, one part is the fault of the user, another part of QNAP for not posing it in a much more efficient and intelligent way. On my present machine, this process took more than a night to complete, which made the several hours of the earlier exiv2 command look fast as lightning. Afterwards, I had it sync the database with the image metadata through 'maintenance'. Then I opened Digikam and moved the tags around to my heart's content. was necessary because without it, exiv2 would complain about the lr-key being invalid and wouldn't touch it. type f -print0 | xargs -0 exiv2 mo -M "reg lr dummyNameSpace/" -M "del Xmp.lr.hierarchicalSubject" -M "del " -M "del "Ĭode: Select all -M "reg lr dummyNameSpace/" Damned if I know why these are written to my pictures at all.Īnyway, outside of Digikam, I mounted all my image collections under one directory and from there cleaned out those keys using this command:Ĭode: Select all find. The last two seem to be keys used by proprietary software (lr meaning "Adobe Lightroom", apparently). The metadata keys in question (which store parts of the tag hierarchy) were always these: So instead of trying to get Digikam to do something it's apparently no good at, I decided to fiddle around with the very tool that Digikam employs to write metadata to the image files: exiv2įirst I checked a lot of my images like so: In case anybody has similar issues, here's what I did:įirst off, it seems like Digikam in its present version is unable to achieve the abovementioned objective. Also, if this isn't the right place for the question, I'd appreciate links to active forums focussing on Digikam, since I wasn't able so far to find much in that area.
DIGIKAM FACE METADATA HOW TO
I just have too many tags (and images) for this to be a good workaround.Īny hints how to achieve this 'structure change' would be appreciated. What I would like to avoid is having to do a tag search for images, give them a 'temporary marker tag', remove the tag in question, save metadata to images, move tag around, re-assign to those images with the marker tag, remove marker tag, then again save metadata to images. In my tests, the images retain the old structure hierarchy. That last step however does not seem to work. Simpleton that I am, I'd wish that I could just load all my existing image collections in Digikam, move things about in my tag structure, and then have Digikam sync the image metadata with the database, either by writing the metadata to the image, or via "maintenance". should become: MyTags/People/Family-2/Person-ABC should become: MyTags/Customers/Firm-A/Product-1 MyTags/Customers/Firm-A/Division-I/Product-1. I would like to move certain tags around, either under other branches, or just simply up a step or two in the structure hierarchy. Parts of the tag structure hierarchy have turned out to be too volatile and/or the depicted subject cannot be categorized clearly enough to follow one particular hierarchy branch. It is important for me to have the metadata not only in the database of my photo management software (Digikam at present), but also independent of this inside the image files. Large portions of these have been tagged, using a tag structure that seemed to make sense at the time. I have a collection of photos, some 20000+ pictures. Sorry if this has been asked before, or if this isn't even the right place to post this. I've been doing a search for similar topics in several places, but couldn't find an answer to my particular problem.
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