Reading tags from XMP sidecar files
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Reading tags from XMP sidecar files
 
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Hi,
I have folders where digikam wrote tags to xmp sidecar files for all image files. I subsequently created a new database and now I want to add these folders to digikam as a collection, with the expectation that the tags will be read from the sidecar files. However, this does not happen. Even when I use Image>Metadata>Import XMP... for a specific image, the tags are not read.
Is there a way to get the tags from the sidecar files into the digikam database? Gys
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Unfortunately, as far as I know does writing to XMP files not work
at this moment.
Rinus Op 26-08-11 16:54, Gys van Zyl schreef: Hi, _______________________________________________ Digikam-users mailing list [hidden email] https://mail.kde.org/mailman/listinfo/digikam-users |
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In reply to this post by Gys van Zyl
Things might have been improved. I am going to do a test. Which version of digikam or you using? Rinus > XMP sidecar management is not yet fully complete. It's possible that > my implementation do not support it or a bug appear. > > Look like my message in relevant entry is clear : > > https://bugs.kde.org/show_bug.cgi?id=220545#c67 > > Reading support must be fine, Writing support not yet. > > Gilles Caulier > > 2011/5/10 sleepless[hidden email]:>> If I do this: >> >> Settings -> Configure Digikam -> Metadata -> metadata writing mode -> >> Write to XMP sidecar only >> >> and than: >> >> Tools -> write metadata to all images >> >> Why do I not see consequently any XMP files alongside the image files? >> >> Or: How do I get my metadata in XMP files? Op 26-08-11 16:54, Gys van Zyl schreef: Hi, _______________________________________________ Digikam-users mailing list [hidden email] https://mail.kde.org/mailman/listinfo/digikam-users |
Re: Reading tags from XMP sidecar files
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Hi Rinus,
Thanks for the offer to help. I'm using digikam version 2.0 from Phillip's ppa on ubuntu 11.04. Writing to xmp sidecar definitely works. I can open the xmp file in a text editor and see the tags and rating that I created in digikam. The problem seems to be reading this information back from the xmp into the digikam database.
Gys
On Fri, Aug 26, 2011 at 6:21 PM, sleepless <[hidden email]> wrote:
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Have you check the option to read metadata from XMP side car files in the
"Metadata tab" of Digikam settings ? One bad thing when I try this option, is Metadatas seems to be read from XMP side car file, but, as EXIF are not wrote in these files, the Exif orientation are not read, and a lot of picture doesn't have the right orientation, but metadata seems to be read from XMP file. Le Fri, 26 Aug 2011 17:27:01 +0200, Gys van Zyl <[hidden email]> a écrit: > Hi Rinus, > > Thanks for the offer to help. > > I'm using digikam version 2.0 from Phillip's ppa on ubuntu 11.04. > > Writing to xmp sidecar definitely works. I can open the xmp file in a > text > editor and see the tags and rating that I created in digikam. The problem > seems to be reading this information back from the xmp into the digikam > database. > > Gys > > On Fri, Aug 26, 2011 at 6:21 PM, sleepless > <[hidden email]>wrote: > >> ** >> >> Things might have been improved. I am going to do a test. Which version >> of >> digikam or you using? >> >> Rinus >> >> > XMP sidecar management is not yet fully complete. It's possible that> >> my implementation do not support it or a bug appear.>> Look like my >> message in relevant entry is clear :>> >> https://bugs.kde.org/show_bug.cgi?id=220545#c67>> Reading support must >> be fine, Writing support not yet.>> Gilles Caulier>> 2011/5/10 >> sleepless<[hidden email]> <[hidden email]>: >> >> >> If I do this:>>>> Settings -> Configure Digikam -> Metadata -> >> metadata writing mode ->>> Write to XMP sidecar only>>>> and than:>>>> >> Tools -> write metadata to all images>>>> Why do I not see >> consequently any XMP files alongside the image files?>>>> Or: How do I >> get my metadata in XMP files? >> >> >> >> >> >> >> >> Op 26-08-11 16:54, Gys van Zyl schreef: >> >> Hi, >> >> I have folders where digikam wrote tags to xmp sidecar files for all >> image files. I subsequently created a new database and now I want to add >> these folders to digikam as a collection, with the expectation that the >> tags >> will be read from the sidecar files. However, this does not happen. Even >> when I use Image>Metadata>Import XMP... for a specific image, the tags >> are >> not read. >> >> Is there a way to get the tags from the sidecar files into the digikam >> database? >> >> Gys >> >> >> _______________________________________________ >> Digikam-users mailing list >> [hidden email]://mail.kde.org/mailman/listinfo/digikam-users >> >> >> >> _______________________________________________ >> Digikam-users mailing list >> [hidden email] >> https://mail.kde.org/mailman/listinfo/digikam-users >> >> -- -- Nicolas Boulesteix Photographe chasseur de lueurs http://www.photonoxx.fr _______________________________________________ Digikam-users mailing list [hidden email] https://mail.kde.org/mailman/listinfo/digikam-users |
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In reply to this post by Gys van Zyl
I wrote metadata to xmp, deleted the metadata from picture and
imported from xmp with very little metadata showing up under xmp
tab. Exiv, makernote and IPTC remains empty. To get it done I had to
select one photo and by hand to point to the xmp file. I can not
find a way to do it by batch for all pictures. So it might be needed
to use an other photomangement program to get the metadata back in
the photo. But according to my experience is almost all data lost.
Rinus Op 26-08-11 17:27, Gys van Zyl schreef: Hi Rinus, _______________________________________________ Digikam-users mailing list [hidden email] https://mail.kde.org/mailman/listinfo/digikam-users |
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In reply to this post by Photonoxx
Op 26-08-11 17:58, Photonoxx schreef:
> Have you check the option to read metadata from XMP side car files in > the "Metadata tab" of Digikam settings ? > > One bad thing when I try this option, is Metadatas seems to be read > from XMP side car file, but, as EXIF are not wrote in these files, the > Exif orientation are not read, and a lot of picture doesn't have the > right orientation, but metadata seems to be read from XMP file. > > With that option set the results are here even worse than without. Rinus > > Le Fri, 26 Aug 2011 17:27:01 +0200, Gys van Zyl <[hidden email]> > a écrit: > >> Hi Rinus, >> >> Thanks for the offer to help. >> >> I'm using digikam version 2.0 from Phillip's ppa on ubuntu 11.04. >> >> Writing to xmp sidecar definitely works. I can open the xmp file in a >> text >> editor and see the tags and rating that I created in digikam. The >> problem >> seems to be reading this information back from the xmp into the digikam >> database. >> >> Gys >> >> On Fri, Aug 26, 2011 at 6:21 PM, sleepless >> <[hidden email]>wrote: >> >>> ** >>> >>> Things might have been improved. I am going to do a test. Which >>> version of >>> digikam or you using? >>> >>> Rinus >>> >>> > XMP sidecar management is not yet fully complete. It's possible >>> that> my implementation do not support it or a bug appear.>> Look >>> like my message in relevant entry is clear :>> >>> https://bugs.kde.org/show_bug.cgi?id=220545#c67>> Reading support >>> must be fine, Writing support not yet.>> Gilles Caulier>> 2011/5/10 >>> sleepless<[hidden email]> <[hidden email]>: >>> >>> >> If I do this:>>>> Settings -> Configure Digikam -> Metadata -> >>> metadata writing mode ->>> Write to XMP sidecar only>>>> and >>> than:>>>> Tools -> write metadata to all images>>>> Why do I not >>> see consequently any XMP files alongside the image files?>>>> Or: >>> How do I get my metadata in XMP files? >>> >>> >>> >>> >>> >>> >>> >>> Op 26-08-11 16:54, Gys van Zyl schreef: >>> >>> Hi, >>> >>> I have folders where digikam wrote tags to xmp sidecar files for all >>> image files. I subsequently created a new database and now I want to >>> add >>> these folders to digikam as a collection, with the expectation that >>> the tags >>> will be read from the sidecar files. However, this does not happen. >>> Even >>> when I use Image>Metadata>Import XMP... for a specific image, the >>> tags are >>> not read. >>> >>> Is there a way to get the tags from the sidecar files into the digikam >>> database? >>> >>> Gys >>> >>> >>> _______________________________________________ >>> Digikam-users mailing list >>> [hidden email]://mail.kde.org/mailman/listinfo/digikam-users >>> >>> >>> >>> >>> _______________________________________________ >>> Digikam-users mailing list >>> [hidden email] >>> https://mail.kde.org/mailman/listinfo/digikam-users >>> >>> > > _______________________________________________ Digikam-users mailing list [hidden email] https://mail.kde.org/mailman/listinfo/digikam-users |
Re: Reading tags from XMP sidecar files
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I have that option checked, yes. I'm aware of the problem that when you check this option, all the "normal" exif info is temporarily unavailable. For me this is OK, if only I can get digikam to read and commit to the database what is in the xmp sidecar. I'm only trying to read the tags that I created and ratings that I assigned. These fields I can't even read with the single image read from xmp process.
BTW in the Captions and Tags sidebar, right at the bottom there is a "More" button that you can use to read metadata from all selected images. Or rather, I think that's what it's supposed to do, as this option also does not work for me.
On Fri, Aug 26, 2011 at 7:04 PM, sleepless <[hidden email]> wrote: Op 26-08-11 17:58, Photonoxx schreef: _______________________________________________ Digikam-users mailing list [hidden email] https://mail.kde.org/mailman/listinfo/digikam-users |
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I think you can use exiftool to put the metadata back into your
picture and from there digikam can read it again.
Rinus Op 26-08-11 18:14, Gys van Zyl schreef: I have that option checked, yes. I'm aware of the problem that when you check this option, all the "normal" exif info is temporarily unavailable. For me this is OK, if only I can get digikam to read and commit to the database what is in the xmp sidecar. I'm only trying to read the tags that I created and ratings that I assigned. These fields I can't even read with the single image read from xmp process. _______________________________________________ Digikam-users mailing list [hidden email] https://mail.kde.org/mailman/listinfo/digikam-users |
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Install libimage-exiftool-perl
and this exiftool -TagsFromFile IMGP8595.JPG.xmp IMGP8595.JPG will put back in the picture what is left off the metadata. Rinus Op 26-08-11 18:40, sleepless schreef: I think you can use exiftool to put the metadata back into your picture and from there digikam can read it again. _______________________________________________ Digikam-users mailing list [hidden email] https://mail.kde.org/mailman/listinfo/digikam-users |
Re: Reading tags from XMP sidecar files
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In reply to this post by Rinus
I don't like that option. I principle I try not to touch my original files in any way. That's why I like the sidecar file - metadata can be added without modification to the original file.
In any event, I don't think its possible yet to write metadata to Canon raw files.
On Fri, Aug 26, 2011 at 7:40 PM, sleepless <[hidden email]> wrote:
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Op 26-08-11 19:09, Gys van Zyl schreef:
I don't like that option. I principle I try not to touch my original files in any way.I agree completely. That is why I think the best way to go is completely rely on the db (and the copy´s you store) no writing to pictures nor to xmp as the latter does not function on dk. That's why I like the sidecar file - metadata can be added without modification to the original file.no, I was not aware that it was raw.
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Re: Reading tags from XMP sidecar files
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Thanks for trying to help. I will try to recover what I can from the old SQlite database - it has gotten real messed up after using the same one for many versions of digikam. And I'll keep the xmp files, I'm sure things will improve in future.
On Fri, Aug 26, 2011 at 8:18 PM, sleepless <[hidden email]> wrote:
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Re: Reading tags from XMP sidecar files
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In reply to this post by Rinus
Am Freitag, 26. August 2011 schrieb sleepless:
> Op 26-08-11 19:09, Gys van Zyl schreef: > > I don't like that option. I principle I try not to touch my > > original files in any way. > > I agree completely. That is why I think the best way to go is > completely rely on the db (and the copy´s you store) no writing to > pictures nor to xmp as the latter does not function on dk. Partially. I use a similar procedure as with my analogue photos. I only use raw from my camera (so no jpeg which are often useless). I don't want any program to alter my raw files. So not being able to write to raw files is not a bad thing (imho). For raw files a working sidecar file would be great. DK currently is not able to handle this reliable so I use the DB only. It is different to jpeg files, there I want all relevant data in my jpeg files I generate from the raw one. As I use darktable for raw processing this is a two step thing: - generate jpeg (or png) from raw (if there was already a jpeg file the new on is generated with a postfix. - if there is a jpeg with postfix, extract the exif data from the old one, add it to the new one and replace the old with the new one. This works great with DK. So for jpeg files I don't need sidecar files. In the contrary: what will happen, if the jpeg file is newer than the sidecar one (altered by an other program)? should the internal or external exif data be used? As no program alters my raw files, there is no such problem. Regards Martin > > > That's why I like the sidecar file - metadata can be added > > without modification to the original file. > > > > In any event, I don't think its possible yet to write metadata to > > Canon raw files. > > no, I was not aware that it was raw. > _______________________________________________ Digikam-users mailing list [hidden email] https://mail.kde.org/mailman/listinfo/digikam-users |
Re: Reading tags from XMP sidecar files
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Hi,
Also be aware of if you geo locate images then the xmp sidecar will be overwritten with only geo location metadata: https://bugs.kde.org/show_bug.cgi?id=279710 /Anders 2011/8/26 Martin (KDE) <[hidden email]>: > Am Freitag, 26. August 2011 schrieb sleepless: >> Op 26-08-11 19:09, Gys van Zyl schreef: >> > I don't like that option. I principle I try not to touch my >> > original files in any way. >> >> I agree completely. That is why I think the best way to go is >> completely rely on the db (and the copy´s you store) no writing to >> pictures nor to xmp as the latter does not function on dk. > > Partially. I use a similar procedure as with my analogue photos. I > only use raw from my camera (so no jpeg which are often useless). I > don't want any program to alter my raw files. So not being able to > write to raw files is not a bad thing (imho). > > For raw files a working sidecar file would be great. DK currently is > not able to handle this reliable so I use the DB only. > > It is different to jpeg files, there I want all relevant data in my > jpeg files I generate from the raw one. As I use darktable for raw > processing this is a two step thing: > > - generate jpeg (or png) from raw (if there was already a jpeg file > the new on is generated with a postfix. > - if there is a jpeg with postfix, extract the exif data from the old > one, add it to the new one and replace the old with the new one. > > This works great with DK. So for jpeg files I don't need sidecar > files. In the contrary: what will happen, if the jpeg file is newer > than the sidecar one (altered by an other program)? should the > internal or external exif data be used? As no program alters my raw > files, there is no such problem. > > Regards > > Martin > >> >> > That's why I like the sidecar file - metadata can be added >> > without modification to the original file. >> > >> > In any event, I don't think its possible yet to write metadata to >> > Canon raw files. >> >> no, I was not aware that it was raw. >> > _______________________________________________ > Digikam-users mailing list > [hidden email] > https://mail.kde.org/mailman/listinfo/digikam-users > Digikam-users mailing list [hidden email] https://mail.kde.org/mailman/listinfo/digikam-users |
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