[Digikam-users] Using digikam on two computers?

Gerhard Kulzer gerhard at kulzer.net
Thu Jun 15 08:18:02 BST 2006

On Thursday 15 June 2006 08:04, Arnd Baecker wrote:
> Hi,
> On Wed, 14 Jun 2006, Turgut Durduran wrote:
> [...]
> > I use a desktop computer for storage of my photos.
> > That contains all my collections. Then I have a laptop
> > that contains a subset that I am working on --
> > cropping, adjusting colors, sorting, tagging etc. The
> > laptop does not have large enough of a hard-drive to
> > contain the whole set.
> >
> > Ideally, I want to be able to open an album, tag my
> > photos, play with them on my laptop and somehow sync
> > with those on desktop. Ofcourse, I am talking about
> > digikam purposes, I know how to sync the files. This
> > is probably not so straightforward.  So I am thinking,
> > I should be able to "merge" two databases of tags
> > somehow. Is it possible?
> [...]
> This has been asked for several times, see the B.K.O
> (KDE Bugs report system :
> http://bugs.kde.org/buglist.cgi?product=digikam
> )
> For this particular case:
> http://bugs.kde.org/show_bug.cgi?id=125474
> This is very high on my wishlist ;-) -
> I am already frightened about my next holiday,
> which will surely be several 100 pictures and I really
> would like to tag, label and rate them if
> possible everyday (Sitting there with a huge bunch of
> pictures after the holiday is no fun).
> Would something like the following be possible:
> - no digikam running on main computer
> - copy all new images to the corresponding directories
Just a rough idea here: 
With union-fs it would be possible to make the main folder of the photos 
including the database file available per nfs to a laptop. Then you can 
manipulate as much as you want on the laptop, the changed files being kept on 
the laptop. Then you could at any time start to sync the files with the main 
folder. This method would avoid copying all the images to the laptop. Off 
course if you modify anything in the meantime in the main computer it would 
be difficult to sync afterwards. This scheme works a bit like cvs or svn.

> - open digikam sqllite database and
> - add every additional file registered in the digikam database of the
>   laptop
>   (also new tags etc. will be added during this procedure,
>    but no tags or images deleted.)
> (by now you will have realized that I don't have any idea
> about sql, but still maybe an expert can do this,
> or give some pointers?)
> If the above was possible, it surely is not *the* solution,
> but it could fulfill the needs of many(?) users.
> BTW, when writing this above procedure, I had in
> mind that on the laptop one already has a digikam database
> which at least contains all the tags of the main computer.
> Recently I wrote a small script which runs over all images
> and scales them down.
> (With this I managed to keep 1500 in just 270 MB, of course
> in pretty poor quality, but almost good enough
> for the laptop)
> If someone is interested I can post the script.
> Best, Arnd
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