metadata template applying bug - please check

[Micha? Smoczyk]

Hi, guys, if someone of you with latest digiKam SVN version
(1.0.0-beta4) installed could check following behaviour I've noticed
in my 1.0.0-beta 3 version:

When I apply metadata template (new digiKam feature from recent beta
versions) to a group of photographs, also image captions (IPTC and
XMP related fields) are changed and set from FIRST image in album
view. So, if I select all photos in given album, apply metadata
template to them and the first image has empty caption, all captions
in images are gone. Similar when first image has caption 'foo' all
images will be set will 'foo' caption.

This is very unwanted behaviour.

I've reported it as bug:
https://bugs.kde.org/show_bug.cgi?id=203732, but Gilles Caulier ask
me to check this with latest svn version and I don't have one.
Thanks in advance,

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[Milan Knížek]

Michał Smoczyk píše v Ne 16. 08. 2009 v 00:59 +0200:

I've reported it as bug:
https://bugs.kde.org/show_bug.cgi?id=203732, but Gilles Caulier ask
me to check this with latest svn version and I don't have one.
Thanks in advance,

Hello Michał,

the bug still exists, I reported it to kde bugs.

BTW, how do you use the templates in real life? The template sets many tags, some of which change with each image (e.g. Location, Subject).
Also, even that the template does not have some fields populated, the empty tags are created in the image and possibly overwrite the existing information (!). I would think that a template is usefull for metadata, which do not change much and are shared by many pictures (such as Credit, Copyright, etc.).

regards,

Milan Knizek
knizek (dot) confy (at) volny (dot) cz
http://www.milan-knizek.net - About linux and photography (Czech language only)

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[Gilles Caulier-4]

2009/8/17 Milan Knížek <[hidden email]>:

> Michał Smoczyk píše v Ne 16. 08. 2009 v 00:59 +0200:
>
> I've reported it as bug:
> https://bugs.kde.org/show_bug.cgi?id=203732, but Gilles Caulier ask
> me to check this with latest svn version and I don't have one.
> Thanks in advance,
>
> Hello Michał,
>
> the bug still exists, I reported it to kde bugs.
>
> BTW, how do you use the templates in real life? The template sets many tags,
> some of which change with each image (e.g. Location, Subject).
> Also, even that the template does not have some fields populated, the empty
> tags are created in the image and possibly overwrite the existing
> information (!). I would think that a template is usefull for metadata,
> which do not change much and are shared by many pictures (such as Credit,
> Copyright, etc.).
>

Milan,

yes, it miss boolean flag to toggle on/off template informations, as
into LightRoom. I plan to implement this stuff before 1.0.0

Michal,

For the bug, something is wrong in another place, it's not a Template
problem as well. Template do not have caption info.

In theory, if you change tags of images, captions is not changed. This
must be the same with template.

Marcel,

i think we have a little problem in MetadataHub...

Gilles Caulier
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[Micha? Smoczyk]

Milan Knížek wrote:

> BTW, how do you use the templates in real life? The template sets many
> tags, some of which change with each image (e.g. Location, Subject).
> Also, even that the template does not have some fields populated, the
> empty tags are created in the image and possibly overwrite the existing
> information (!). I would think that a template is usefull for metadata,
> which do not change much and are shared by many pictures (such as
> Credit, Copyright, etc.).

Yes, I agree, in present form metadata templates are useful only if
you want to set copyright-like metadata, and NOT have location and
subject-like metadata set (will be overwritten). Boolean flags in
templates will resolve this problem, but unfortunately we have to
wait for 1.0.0.

In my workflow, I don't use metadata templates in digiKam, after
recognizing this behavior I am aware of this. My usually steps with
JPEGs are (with RAW I'm shooting in some important situations this
is more complicated due *exiv2* doesn't write support for Canon RAW
CR2 I shot):

1) geotagging images using GeoTag, syncing from GPX file
2) reverse geocoding with GeoTag (in this step IPTC location tags
are written)
3) finally setting tags, keywords, captions etc. in digiKam

Regards,

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Hi,

I am curious, why do you use GeoTag for geotagging images instead of
Digikam itself using the menu entry "Image/Geolocation"  ?

Regards,

Julien

>
> Yes, I agree, in present form metadata templates are useful only if
> you want to set copyright-like metadata, and NOT have location and
> subject-like metadata set (will be overwritten). Boolean flags in
> templates will resolve this problem, but unfortunately we have to
> wait for 1.0.0.
>
> In my workflow, I don't use metadata templates in digiKam, after
> recognizing this behavior I am aware of this. My usually steps with
> JPEGs are (with RAW I'm shooting in some important situations this
> is more complicated due *exiv2* doesn't write support for Canon RAW
> CR2 I shot):
>
> 1) geotagging images using GeoTag, syncing from GPX file
> 2) reverse geocoding with GeoTag (in this step IPTC location tags
> are written)
> 3) finally setting tags, keywords, captions etc. in digiKam
>
> Regards,
>
>  
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>
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[Micha? Smoczyk]

Julien Narboux wrote:

> I am curious, why do you use GeoTag for geotagging images instead of
> Digikam itself using the menu entry "Image/Geolocation"  ?

Mostly because kipi geolocation plugin cannot reverse geocode images
-- write location-like metadata (location, province, country, city
etc.) based on geogr. coordinates, for example using
www.geonames.org or geotagged Wikipedia articles.

If I remember good, there is a wish in bugs.kde.org connected with
this feature (reverse geocoding).

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