Tobias Ellinghaus wrote, le 14/05/2014 22:48 :
> Am Mittwoch, 14. Mai 2014, 21:19:27 schrieb Chris:
>> Hi,
>>

Hi Tobias,

>> New user of Darktable (1.4.2), I'm switching to it from Panasonic
>> proprietary software but I face a problem with tags when importing my
>> images :
>> for some reason Darktable take as tags the descriptions of some of my
>> photos !
>
> Where does darktable take these from? Are they embedded into the raw files?
> could you please run
>
> exiv2 -pa <raw file>
>
> and give us the output? I wonder where the image description got stored to
> become a tag.


they were jpegs.
Here are relevant entries from one of them :

speedy[30]> exiv2 -pa P1030337.JPG | egrep -i Adang
Exif.Image.ImageDescription                  Ascii      62  Thaïlande : 
sud de Koh Adang, installations du National Park
Iptc.Application2.Caption                    String     60  Tha�lande : 
sud de Koh Adang, installations du National Park
Xmp.exif.UserComment                         LangAlt     1 
lang="x-default" Thaïlande : sud de Koh Adang, installations du National 
Park
Xmp.dc.description                           LangAlt     1 
lang="x-default" Thaïlande : sud de Koh Adang, installations du National 
Park


>
>> So I've hundreds of tags which are description sentences !
>> Removing images doesn't seem to remove tags :-(
>
> I fear that the only sane way would be to remove them manually in the tagging
> module. :(
>
>> How can one clean the tags table ?
>> (even with sql requests)
>
> If you want to do it with sql queries you could delete them from the table
> "tags", however, you also should update tagxtag. If you are running a database
> from git master you can skip tagxtag since it has database triggers that take
> care of it. All of that is in ~/.config/darktable/library.db which is an
> sqlite3 file.

I use the ppa version. Is there documentation on database schema of DT ?

Christian


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