[Digikam-users] database on laptop and server/NAS

Ben Staude sben1783 at yahoo.de
Tue Sep 11 20:50:04 BST 2012

Am Montag 10 September 2012 schrieb Gilles Caulier:
> 2012/9/10 Ben Staude <sben1783 at yahoo.de>:
> > Am Montag 10 September 2012 schrieb Gilles Caulier:
> >> 2012/9/10 Ben Staude <sben1783 at yahoo.de>:
> >> > Am Freitag 07 September 2012 schrieb Manuel Bock:
> >> > 
> >> > [...]
> >> > 
> >> >> Is there a new way or best practice to "export/import to/from another
> >> >> digikam instance" that I missed or what other way is the best
> >> >> practice to transfer as much information as possible between two
> >> >> different digikam databases?
> >> > 
> >> > Generally speaking, I think this sort of issues will become more and
> >> > more important for digikam, as images move to NAS devices, people use
> >> > tablets and so on... The setup "one PC, one OS, one HDD" is not the
> >> > typical one for the future. We should plan for an (Android|iOS)-app
> >> > for use with the digikam database...!
> >> 
> >> With 3.0.0, a new DLNA export tool have been created. Run digiKam from
> >> your host computer export desired album through DLNA, and that all.
> >> image are now visible on your tablet (install right DLNA support
> >> application from store of course), or on your connected TV.
> > 
> > That's very good to hear! But that creates the need for digikam running
> > on my NAS!? The images are there, the database is (i.e., will be) there,
> > so it's no fun to turn on the PC just to have digikam load the images
> > from the NAS and send it to the tablet.
> Well, it's simple. on your NAS, if it run under Linux, install
> miniDLNA. that all.

No problem, right now I just use an nfs export. But - like miniDLNA - this is 
not aware of all the data that's stored in the digikam DB:(

> On mine, an Excito B" NAS server, it's done automatically :
> http://www.excito.com/node/9
> > The NAS is right there to do such things:) Another
> > issue: can you do things like filter via tags (only stored in digikam's
> > database) via DLNA?
> On digiKam DLNA tool, it's yet done, but planed.

That's where digikam has to be run on my desktop pc again:( I wonder what the 
best solution would be to use the data in the digikam DB without a full 
digikam installation (like on a tablet). First step could be read-only 
("filter by tag to show only certain images to friends on the tablet"), second 
step "use tablet even to assign tags while browsing images on the couch")... 
Android app? Web interface run on the NAS? Need to write everything into the 
files and can't use any of the advantages of the (already existing) database 
(like performance when filtering...)

> > Very interesting subject, also slightly off topic in this thread...
> > 
> > Can you give some details about how the uniqueHash is created?
> uniqueHash of what ?

The uniqueHash that is stored in the "Images" table. I think this is used by 
digikam to identify images that, for example, have moved to another path since 
the last start of digikam (so that metadata won't be lost)?

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