Photo rating and XMP
- From: "Cosme Sevestre" <csevestre gmail com>
- To: f-spot-list <f-spot-list gnome org>
- Subject: Photo rating and XMP
- Date: Mon, 24 Jul 2006 17:16:27 +0530
I was looking at the data imported by the latest XMP patch from Bengt
 and was wondering how it could help with the photo rating feature
From the discussion in bug , I understand some application use the
Urgency field  - which is already fetched by the XMP patch in
XmpTagsMetadata.cs, although not used in XmpTagsImporter.cs.
There is a dedicated property in the XMP Basic Schema for ratings .
I was playing with Lightroom Beta 3 and it uses this property... I
expect all software coming from Adobe to use the same.
Should we start a list of known software and what they use in order to
choose the best solution? What do you think?
Application Property/tag used Range Unrated value
Lightroom Rating 1-5 no value
I was looking at Aperture's documentation, they have unrated + reject
+ 1-5. I can't find what they are using, although Rating is not
listed in their list of metadata tags supported.
If you can try other apps, please do so :-). If you think this can
help, I can add the table and maintain it somewhere on the wiki.
From the 2005-06 XMP specification:
 http://ns.adobe.com/photoshop/1.0/Urgency (integer, valid range is 1-8)
 http://ns.adobe.com/xap/1.0/Rating (closed choice of integer,
values are user-defined within an application defined range)
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