Christoph,
On 07/14/2011 01:56 PM, Christoph Schilling wrote:
Sorry to ask again, but I am desperately trying to move my pictures from
f-spot (on my old old computer, with old ubuntu) to shotwell on my newer
computer with Ubuntu 11.04.
I wonder if I am the only one who wrote comments in f-spot to my pictures.
In f-spot the comments are saved in ImageData, UserComment, but shotwell
does not import these. (is this my fault or is it a bug?)
That's a little hard to say, since different photo programs interpret
EXIF fields differently. On the Shotwell team, we've done some research
about how different programs treat different fields - see
http://trac.yorba.org/wiki/PhotoTags
Today, Shotwell only supports the notion of a title for each image. As
you've correctly observed, that comes from Xmp.dc.title. We'd like to
extend Shotwell so that each image can have a description as well as a
title:
http://trac.yorba.org/ticket/1573
We'll probably display the selected photo's description in the Basic
Information area, and allow you to edit it there as well.
Now, once we have both titles and descriptions, what should we do with
Exif.Photo.UserComment? Is it a title, a description, or something
else? On the wiki page above, you'll see that of the other programs
we've tested, only DigiKam uses this field, and it treats it as a title,
not a description (DigiKam doesn't seem to support photo descriptions at
all). But I think I'd be more inclined to import it as a description in
Shotwell (assuming that ImageDescription is empty).
Of course, if you're importing from F-Spot then Shotwell can read the
F-Spot database directly, so it shouldn't have to rely on EXIF tags to
get information from F-Spot anyway.
With all this said, what can you today? It sounds like you'd like each
UserComment to become a *title* in Shotwell. I think you'll need to use
some external program to turn each UserComment into a metadata field
which Shotwell will read as a title. Note that Shotwell will *not* read
a title from any EXIF tag; see the comments in
src/photos/PhotoMetadata.vala. You'll need to map
Exif.Photo.UserComment into Xmp.dc.title, or Iptc.Application2.Caption,
or Iptc.Application2.Headline.
I wish I had better news for you, but I hope this clarifies things at
least. :)
adam
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