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

[Gilles Caulier]

2012/9/11 Ben Staude <sben1783 at yahoo.de>:
> 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)?

Look here :

https://projects.kde.org/projects/extragear/graphics/digikam/repository/revisions/master/entry/libs/dimg/loaders/dimgloader.cpp#L308

Gilles Caulier