Searching on IPTC core properties

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Searching on IPTC core properties

Marcel Wiesweg
Hi,

in the past there has been demand on searching for certain metadata
properties, mostly those in IPTC Core, but Dublin Core as well. (see below for
a list)

I am not familiar with the way you are using such properties, so it's
difficult to find out what exactly we should provide.
This means I am looking for:

- Use Cases and Use Scenarios for working with such properties, searching in
particular
- Sample images, preferably two or three for each use case, with the affected
metadata, so that I can test with real life examples. (you can send to my
private address)





List of possibly supported fields:

- IPTC Core properties:

CopyrightNotice
Creator
Provider
RightsUsageTerms
Source

CountryCode, Country
City Location Province/State
CreatorJobTitle
Instructions
IntellectualGenre
JobID
Scene
SubjectCode

- Dublin Core properties:
 (what relation do they have with similar ones from IPTC core?)

contributor
creator
publisher
rights
source

coverage
format
identifier
language
relation
type
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Re: Searching on IPTC core properties

Bugzilla from Philippe@arnone.org
Le Monday 12 May 2008 20:47:19 Marcel Wiesweg, vous avez écrit :

> Hi,
>
> in the past there has been demand on searching for certain metadata
> properties, mostly those in IPTC Core, but Dublin Core as well. (see below
> for a list)
>
> I am not familiar with the way you are using such properties, so it's
> difficult to find out what exactly we should provide.
> This means I am looking for:
>
> - Use Cases and Use Scenarios for working with such properties, searching
> in particular
> - Sample images, preferably two or three for each use case, with the
> affected metadata, so that I can test with real life examples. (you can
> send to my private address)

Hi Marcel ,

here is an example that show how I work. I'm not trying to say that this is
the right way but this is mine :)

I'm not going to talk only about search, so there will probably be ideas for
other part of digikam :).

First of all I transfer my photos to a temporary directory. Then I use gqview
to add some IPTC tags. I use gqview  because this viewer is fast and I wrote
perl scripts which I can launch directly from gqview. The IPTC tags that I
set are:
 . Source  
 . Copyright Notice  
 . City  
 . Credit
 . By-line
 . Headline
 . Caption

I perform this outside of digikam because the photos may have been taken by my
wife, my son or myself. My scripts have source, Copyright Notice, Credit and
By-line preset depending on the protograph who took the photo, so I just need
to select the protograph to set all this settings. I think it will a good
feature to have seach kind of "photograph selection".

When this is finished, I import these photos in digikam and sets all keywords.

I never set City as keyword because it is already sets in the City IPTC tag.

When I search for photo I may use keywords (more than one, using either 'or'
or 'and' between them), city Headline, Caption or credit (because credit,
Copyright and source are similar in my case).
I also search photo using exif tags (Lens name, Focal lenght, Iso, Speed,
Aperture)

I also plan to use scene code (news code) to describe my photos. I think this
may be a powerful tools to categorize photos. If I understood well, scene
code number uses a hierarchy. A lot of information can be found at
http://www.iptc.org/NewsCodes/ For french reader, you can found some
explanation at
Of course, I think that digikam should include the definition of such scene
code and permit to search based on them.

That's all for the moment

Philippe

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Re: Searching on IPTC core properties

Gilles Caulier-4
2008/5/18 Philippe Arnone <[hidden email]>:

> Le Monday 12 May 2008 20:47:19 Marcel Wiesweg, vous avez écrit :
>> Hi,
>>
>> in the past there has been demand on searching for certain metadata
>> properties, mostly those in IPTC Core, but Dublin Core as well. (see below
>> for a list)
>>
>> I am not familiar with the way you are using such properties, so it's
>> difficult to find out what exactly we should provide.
>> This means I am looking for:
>>
>> - Use Cases and Use Scenarios for working with such properties, searching
>> in particular
>> - Sample images, preferably two or three for each use case, with the
>> affected metadata, so that I can test with real life examples. (you can
>> send to my private address)
>
>
> Hi Marcel ,
>
> here is an example that show how I work. I'm not trying to say that this is
> the right way but this is mine :)
>
> I'm not going to talk only about search, so there will probably be ideas for
> other part of digikam :).
>
> First of all I transfer my photos to a temporary directory. Then I use gqview
> to add some IPTC tags. I use gqview  because this viewer is fast and I wrote
> perl scripts which I can launch directly from gqview. The IPTC tags that I
> set are:
>  . Source
>  . Copyright Notice
>  . City
>  . Credit
>  . By-line
>  . Headline
>  . Caption
>
> I perform this outside of digikam because the photos may have been taken by my
> wife, my son or myself. My scripts have source, Copyright Notice, Credit and
> By-line preset depending on the protograph who took the photo, so I just need
> to select the protograph to set all this settings. I think it will a good
> feature to have seach kind of "photograph selection".
>
> When this is finished, I import these photos in digikam and sets all keywords.
>
> I never set City as keyword because it is already sets in the City IPTC tag.
>
> When I search for photo I may use keywords (more than one, using either 'or'
> or 'and' between them), city Headline, Caption or credit (because credit,
> Copyright and source are similar in my case).
> I also search photo using exif tags (Lens name, Focal lenght, Iso, Speed,
> Aperture)
>
> I also plan to use scene code (news code) to describe my photos. I think this
> may be a powerful tools to categorize photos. If I understood well, scene
> code number uses a hierarchy. A lot of information can be found at
> http://www.iptc.org/NewsCodes/ For french reader, you can found some
> explanation at
> Of course, I think that digikam should include the definition of such scene

Yes, i have do it in new XMP metadata editor (digiKam for KDE4):

http://digikam3rdparty.free.fr/Screenshots/MetadataEditor/08-xmp.png

...plus a lots of predefined XMP fields used in photography.

http://digikam3rdparty.free.fr/Screenshots/MetadataEditor/02-xmp.png
http://digikam3rdparty.free.fr/Screenshots/MetadataEditor/03-xmp.png
http://digikam3rdparty.free.fr/Screenshots/MetadataEditor/04-xmp.png
http://digikam3rdparty.free.fr/Screenshots/MetadataEditor/05-xmp.png
http://digikam3rdparty.free.fr/Screenshots/MetadataEditor/06-xmp.png
http://digikam3rdparty.free.fr/Screenshots/MetadataEditor/07-xmp.png

The IPTC editor have also rewritted :

http://digikam3rdparty.free.fr/Screenshots/MetadataEditor/09-iptc.png
http://digikam3rdparty.free.fr/Screenshots/MetadataEditor/10-iptc.png
http://digikam3rdparty.free.fr/Screenshots/MetadataEditor/11-iptc.png
http://digikam3rdparty.free.fr/Screenshots/MetadataEditor/12-iptc.png
http://digikam3rdparty.free.fr/Screenshots/MetadataEditor/13-iptc.png
http://digikam3rdparty.free.fr/Screenshots/MetadataEditor/14-iptc.png
http://digikam3rdparty.free.fr/Screenshots/MetadataEditor/15-iptc.png
http://digikam3rdparty.free.fr/Screenshots/MetadataEditor/16-iptc.png
http://digikam3rdparty.free.fr/Screenshots/MetadataEditor/17-iptc.png
http://digikam3rdparty.free.fr/Screenshots/MetadataEditor/18-iptc.png

Gilles Caulier
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