[Digikam-users] Tags not written to XMP sidecar?

[Martin (KDE)]

Hallo

So is it a problem in writing the xmp file or reading from them on the
new location?

I have simmilar problems. Digikam writes xmp files quite fine, but never
reads from xmp automatically if they are changed by another program
(like darktable). I have to sellect the album/file and hit reread
metadata from external file to get it working.

I hope this will be fixed in upcomming digikam 5.

Regards
Martin


Am 22.05.2016 um 17:01 schrieb Anders Kamf:
> Hi,
> 
> Thanks for your reply Tobias! I'm afraid it doesn't solve the problem or
> answers the questions though.
> 
> I indeed write meta data to JPG files, including tags, have done so
> since 2009 and it works very well. Sidecar files are created by digikam
> for files it cannot write meta data into, e.g. video files, the settings
> was described in my initial post. It is from those Filename.mp4.xmp or
> Filename.mov.xmp I have tried with both exiv2 and exiftool to extract
> the tags.
> 
> I'm moving files from my laptop to my server once I have done tagging
> etc (laptop is used because I travel a lot). I usually use rsync, i.e.
> the move is done outside digikam. The photo collection on my servers is
> accessed with "another" digikam from a desktop PC (Windows) and from a
> stand alone Ubuntu (both with setting "Read from sidecar files)". Both
> have their own digikam database, hence all the meta data needs to travel
> with the files.
> 
> The main question, I'd guess, is whether to expect that the meta data of
> the xmp file corresponds to the one of the jpg file in terms of tags,
> rating etc.?
> 
> Regards
> Anders
> 
> 
> 2016-05-22 15:31 GMT+02:00 Tobias Margiani <margianit at gmail.com
> <mailto:margianit at gmail.com>>:
> 
>     Hi,
> 
>     I'm not sure if I understand your problem correctly. Are XMP files
>     created but
>     without (the right) content or are there no XMP files at all (you
>     could check
>     that with a file manager)?
>     I don't use XMP files normally so there might be people who know all
>     this
>     better but from a few quick tests it looks like exiftool only reads
>     xmp files
>     if you pass them as argument directly and not if you try to read
>     tags from an
>     image file (e.g. if you have image.jpg and image.xmp you have to use
>     "exiftool
>     image.xmp" to read the tags). In my checks there is a "Tags List" entry
>     showing the digikam tags.
>     To comment on you problem when moving the files. If you only moved
>     image files
>     the metadata might indeed be lost but if you have moved the whole
>     folder the
>     xmp files could still be there! So check with a file manager. That
>     the tags
>     aren't read by digikam may result from your configuration. Are you
>     sure that
>     you've configured digikam to read metadata from sidecar files.
>     Another source of this problem may be that you haven't configured
>     digikam to
>     write Tags into file at all. You can check in the metadata tab what
>     information
>     is written to the files.
> 
>     I hope some of this could help.
>     Regards
>     Tobias
> 
>     Am Samstag, 21. Mai 2016, 10:12:13 CEST schrieb Anders Kamf:
>     > Hi!
>     >
>     > I have the setting "Write to sidecar files": "Write to XMP sidecar
>     file for
>     > read-only image only", which creates xmp sidecar files for the
>     movie files
>     > that are in my collection.
>     > Now, I thought that this would mean that the tags applied to those
>     movies
>     > was written to the XMP sidecar file. But that seems not to be the
>     case! I
>     > now realise that at least neither exiv2 nor exiftool finds those tags.
>     > Also, when I access the file from "another" digikam on another
>     computer, no
>     > metadata seems to be found.
>     >
>     > If this is true, it means that all metadata for those files have
>     been lost
>     > when I have moved the files outside Digikam (to another server), which
>     > truly is a sad awakening.
>     >
>     > Is this the intended behaviour, or is it a bug? Or am I doing
>     something
>     > wrong (a user-fault...)?
>     >
>     > I'm using digikam 4.14.10 on Ubuntu 15.10.
>     >
>     > Best regards
>     > Anders
> 
> 
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> 
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