[Digikam-users] Lost tags (was: Re: digiKam 3.5.0 import/rename not working as expected)

[Andreas Mair]

Hello Jean-François,

thanks a lot for your answer and especially for the link to the
mailinglist thread. It's very informative.

Best regards,
Andreas


2014-02-10 18:03 GMT+01:00 Jean-François Rabasse <jf at e-artefact.eu>:
>
> Hello Andreas,
>
>
> On Mon, 10 Feb 2014, Andreas Mair wrote:
>
>> Hi,
>>
>> no ideas?
>>
>> What about XMP sidecar files?
>> I'm thinking of syncing the photos' metadata  to XMP sidecar files and
>> then move the files to the destination folder.
>>
>> Now I'd like to verify that each photo's tags are still all right. How
>> can I do that?
>>
>> Any help appreciated!
>
>
> A couple of weeks ago there was a more or less similar discussion, on
> this list. The thread started here if I'm right :
>  http://mail.kde.org/pipermail/digikam-users/2014-January/018767.html
>
> The discussion was, roughly, how to preserve metadata accross versions
> changes, or environment changes. Perhaps you should have a quick look
> at the mentionned thread. There were a dozen of messages with many
> hints and considerations.
>
> Anyway, you're right about XMP sidecar files. An application database,
> as the Digikam DB, is for working data but can't be considered as a
> safe archival system when one wants to keep metadata for a long time.
> (Idealy, the lifetime of images.)
>
> Also, the important point is to keep metadata associated with the
> image. XMP sidecars do that, or XMP data rewritten into the image
> file itself. The Digikam DB doesn't do that because metadata is
> associated to images AND a physical device (removable drive handled
> by UUID).
> And that's what happened to you, when moving images from a removable
> drive to a fixed drive, your images are seen as new images, and
> existing DB metadata is lost.
>
> With « exported » metadata in XMP format, it becomes even possible to
> cleanup a Digikam installation, destroy the DB file, and restart from
> scratch, scanning all new images.
>
> Now, discussion about metadata in separate sidecar files, or in the
> images files, is a matter of taste.
> As for me, I prefer in the images files because, as sidecar usage is
> not (or not yet ?) standardized, it's more easy to share metadata
> with other applications.
> (I personaly really appreciate to browse images folders with Dolphin/
> Gwenview and have all my metadata, title, tags, etc. visible in
> Gwenview.)
>
> Hope you'll get some more advices and feedback.
>
> Cheers,
> Jean-François
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