[Digikam-users] Some matters with metadata edit

[Gilles Caulier]

2009/2/2 Photonoxx <smtp.no at laposte.net>

>
> Le Mon, 02 Feb 2009 12:13:01 +0100, Gilles Caulier
> <caulier.gilles at gmail.com> a écrit:
>
> > 2009/2/2 Photonoxx <smtp.no at laposte.net>
> >
> >>
> >>
> >> Hi,
> >>
> >> I use Digikam 0.10 rc2 (rev 916863), and I notice some matters when I
> >> edit
> >> metadata on my RAW files (but i should probably be the same thing with
> >> Jpeg.
> >>
> >>
> >> The first thing, is if I check the option for write the default identity
> >> item as tag, if the named tag already exist, it will be overwritten...
> >> Is
> >> there a way to avoid this ?
> >>
> >
> > no. a file already exist in bugzilla to add photographers list
> > management in
> > digiKam. It's not yet done.
>
> It's not specificly to manage Photographer list, but I import my photo
>  from memory card to harddisk with exiftool which already add some info
> about my identy. I want to say it, may be, will be great that Digikam
> don't overwrite a tag (author, copyrights, etc...) if this one already
> exist, except if it's expressively asked.
>
>
> >> A second notice is that when I check a tag in the "caption/tag" tab in
> >> the
> >> right panel and I apply it, Digikam write IPTC and XMP metadata in the
> >> RAW
> >> file, but, if I unchecked this tag afterall, the IPTC seems to be
> >> removed
> >
> >
> > You want mean the IPTC keyword tag is removed ?
>
> Yes, as I want. When you check a tag and apply it in Digikam, there's IPTC
> Keywords and XMP Subject added. But if I uncheck a tag, the XMP subject
> entry persist.
>
> >
> >>
> >> but the XMP don't.
> >
> >
> > Please post here the list of IPTC and XMP tags from your image. In
> > metadata
> > tab from right sidebar, there is a button to copy in clipboard metadata
> > contents as text.
>
> is there the XMP :
> ******************
> File name: nb-photos-20090201-115805.nef (XMP Schema)
>
> >>> Dublin Core <<<
>
> Creator : Nicolas Boulesteix
> Description : photonoxx at free.fr Boulesteix Nicolas
> Rights : (c) Nicolas Boulesteix, all rights reserved / tous droits réservés
> Source :
> Subject : Mer
>
>
> >>> digiKam <<<
>
> Tags List :
>
>
> >>> Exif-specific Properties <<<
>
> Date and Time Original : 2009:02:01 11:58:05
> User Comment : photonoxx at free.fr Boulesteix Nicolas
>
>
> >>> Adobe Photoshop <<<
>
> Authors Position : Photographe
> Credit :
> Date Created : 2009-02-01T11:58:05
> Source :
>
>
> >>> TIFF Properties <<<
>
> Artist : Nicolas Boulesteix
> Copyright : (c) Nicolas Boulesteix, all rights reserved / tous droits
> réservés
> Date and Time : 2009-02-01T11:58:05
> Image Description : photonoxx at free.fr Boulesteix Nicolas
> Software : digiKam-0.10.0-rc2 (rev.: 916863)
>
>
> >>> Basic Schema <<<
>
> Create Date : 2009-02-01T11:58:05
> Creator Tool : digiKam-0.10.0-rc2 (rev.: 916863)
> Metadata Date : 2009-02-01T11:58:05
> Modify Date : 2009-02-01T11:58:05
>
> ******************
> And now the IPTC :
> ******************
> File name: nb-photos-20090201-115805.nef (IPTC Records)
>
> >>> IIM Application 2 <<<
>
> By-line : Nicolas Boulesteix
> By-line Title : Photographe
> Caption : photonoxx at free.fr Boulesteix Nicolas
> Copyright : (c) Nicolas Boulesteix, all rights reserved / tous droits
> réservés
> Credit :
> Date Created : 2009-02-01
> Program : digiKam
> Program Version : 0.10.0-rc2 (rev.: 916863)
> Record Version : 4
> Source :
> Time Created : 11:58:05+00:00
> ******************
>
> You can see the "Mer" subject in XMP is not in IPTC keywords (that's
> normal for IPTC as long I uncheck the "Mer" tag in right panel caption/tag
> tab)


I'm not sure, but i think there is already a report about this problem in
bugzilla, to digikam/metadata component.


>
>
> >> So I don't know if it's bug, a miss or if I miss
> >> something in configuring Digikam, but it's for me potentially
> >> problematic.
> >>
> >>
> >> A third, less important, thing, is that when I edit and apply some
> >> metadata, the last modified date of the file is not changed. It make
> >> sense
> >> for me, because I use Synkron to make backup of my album, and as long
> >> Synkron look only at modification date, it don't see any changes if I
> >> only
> >> modify metadatas with digikam on these files. I don't know if it's
> >> possible to set the modification date to the files attributes when
> >> metadatas are modified, but it will be great for me.
> >>
> >
> > For that, there is a new option in metadata control panel, but only when
> > you
> > use libkexiv2 from trunk
> >
> > Gilles Caulier
>
> Thanks, but I think i have libKexiv2 from trunk (installed with
> KDEsvn-build script), should I update the KDE/Graphics element ?
>
> Is there the info about component (from digikam info panel):
>
> digiKam version 0.10.0-rc2 (rev.: 916863)
> Exiv2 can write to Jp2: Yes
> Exiv2 can write to Jpeg: Yes
> Exiv2 can write to Png: Yes
> Exiv2 can write to Tiff: Yes
> Exiv2 support XMP metadata: Yes
> LibCImg: 129
> LibExiv2: 0.18
> LibJPEG: 62
> LibJasper: 1.900.1
> LibKDE: 4.1.87 (KDE 4.1.87 (KDE 4.2 >= 20090101))
> LibKExiv2: 0.5.0


You need LibKexiv2 0.6.0 (trunk alias KDE 4.3.0, not KDE 4.2)


>
> I see something about writing timestamp as Tag, but nothing about set
> "modication date" file attribute when metadata edit.
>

Look here :

http://www.flickr.com/photos/digikam/3246621951/sizes/o/

Gilles Caulier


>
> Anyway, thanks a lot for your answer.
>
>
> Nicolas
>
>
>
> --
> Nicolas Boulesteix - Chasseur de lueurs - http://www.photonoxx.fr
>
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