[Digikam-users] Tags and everything related to them

Gilles Caulier caulier.gilles at gmail.com
Thu Jul 24 17:47:11 BST 2014

digiKam XMP namespace is used primary to populate digiKam database and
duplicate database metadata to image, WITHOUt to lost anything.

In second way, digiKam update also tags at other place in XMP and
IPTC, but this can introduce some leak about database properties (IPTC
for ex as serious limitation about strings. Nested Tags are also badly
supported in standard XMP namespace.

Gilles Caulier

2014-07-24 17:55 GMT+02:00  <cl at isbd.net>:
> Gilles Caulier <caulier.gilles at gmail.com> wrote:
>> 2014-07-24 12:05 GMT+02:00  <cl at isbd.net>:
>> > Gilles Caulier <caulier.gilles at gmail.com> wrote:
>> >> digiKam always write tags in XMP, into dedicated "digiKam" namespace.
>> >>
>> >> After to write and read, as this XMP namespace is the first checked to
>> >> sync database, other and old place in exif, iptc or xmp where tags are
>> >> recorded must be ignored.
>> >>
>> > Well that's pretty much useless IMHO, what happens when you move some
>> > images to other places?
>> >
>>  >what happens when you move some images to other places
>> ??? places ? What do you mean exactly ? Album ? if yes, this have no
>> effect on tags.
> I mean other applications.  Digikam isn't the only program in the
> world that uses tags on images.  By creating its own little private
> place to keep tags it means it's never going to cooperate with other
> programs using tags.
> I mean what about images which one transfers to a web page and/or web
> gallery?  They use tags too.
> I understand it may be difficult but without the ability to manage
> tags in such a way that other programs can see and use them then they
> are fundamentallyy useless (for me anyway).
> --
> Chris Green
> ยท
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