[Shotwell] Regenerate thumbnails?

[Clinton Rogers]

Hi Andy,

PT is right, either 'exiftool' or 'exif' will be able to do what you want
here, and while both require a little command line trickery to get exactly
what you want, they're thoroughly documented and will let you modify almost
everything about an image's metadata.

As for regenerating your lost thumbnails, here's a way to get them back from
within Shotwell:

   1. In the 'Library' view, highlight all photographs.
   2. Click the 'Enhance' button on the bottom of the window.
   3. From the menus, choose 'Edit->Undo'.

You'll lose any automatic enhancements you'd made, but you will get your
thumbnails back.

Please note that this is an unsupported use case; that said, it seems to
work well enough; I just tried it on a 1000-photo library, and it worked.

I hope this helps, but if you have any other questions, please feel free to
ask again.

Cheers,
-c

On Fri, Aug 26, 2011 at 12:16 PM, pt <pt at traversin.org> wrote:

> On 26 August 2011 18:55, Andy Stevens <insomniacpenguin at googlemail.com>
> wrote:
> >
> > Also, is there any way to edit the pictures' extended metadata, not just
> > the basic title/tags/rotation/timestamp?
>
> As far as I know, Shotwell just does the 'title' tag (and F-spot just
> the 'description').
>
> Usually I use geeqie (sudo apt-get install geeqie) for all the
> tagging, because it supports reading and writing of many more tags
> (AFAIK most of the XMP stuff, including copyright, location and so
> on).
>
> As per your other e-mail (at least I think it was you) on mass
> changing/deleting tags on over-tagged photos, I recommend exiftool. It
> is a command-line tool, but it can do wonders, like changing tags
> recursively on directories, and it also supports 'if-then' statements.
> There is a GUI for Windows, but so far nobody tried to make a GUI for
> real operating systems, unfortunately.
>
> Your mileage may vary.
> Piergi
> --
> Web: http://traversin.org
> GNU/Linux user 190604
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