[digiKam-users] DateTimeOriginal

Maik Qualmann metzpinguin at gmail.com
Sun Apr 28 16:50:08 BST 2019

The DateTimeOriginal has a higher priority in the selection. Can you provide a 
test image? By Private Mail?


Am Samstag, 27. April 2019, 19:57:17 CEST schrieb woenx:
> I think that might be a side effect of the resolution of this bug:
> https://bugs.kde.org/show_bug.cgi?id=338533
> Dates in the image can be stored in three places: Exif, IPTC and XMP. In
> turn, Exif has Creation date/time, Original date/time (what you referred in
> the subject), and digitization date/time. IPTC also has digitization and
> creation, and XMP digitization, creation and, for some reason, video date.
> I am not sure how exactly the algorithm determines which is the "Creation
> Date" that digikam uses from all these fields, but apparently if two or more
> field matches, that date has a higher priority. In any case, in digikam 5.9
> Exif's Creation date/time had a higher priority than Exif's Original
> date/time, but that was changed.  That's because Creation date and time is
> often considered a modified date/time by other software (picasa and
> lightroom, at least)  and will get overwritten often, while and Original
> date/time is the true "Creation Date" of the picture (should match
> digitization date, if that field is used).  Actually, "EXIF creation date"
> is called "Modify Date" in exiftool.
> Yeah, it can be a  bit confusing.
> I'd check the metadata of the image using the metadata editor, and see what
> dates are there. Digikam's creation date should be either Exif "Original
> date and time", Xmp "Creation date", or IPTC Creation date" as first
> options. Or any digitization dates if these are not present or are not
> consistent.
> If you need to copy dates from one field to another from multiple pictures,
> the TimeAdjust plugin does a good job.
> --
> Sent from: http://digikam.1695700.n4.nabble.com/digikam-users-f1735189.html

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