On Mon, Jul 8, 2013 at 6:42 PM, Alexander Wagner <[email protected]>wrote:
> On 07/05/2013 10:40 PM, David Vincent-Jones wrote:
>
> Hi!
>
> [...]
> >> The major weakness is the dublin core simple metadata scheme
> >> applied in dt. This just that just misses crucial fields.
> >> Expand that to a more decent scheme (IPTC is there for a
> >> reason) most of the issues are gone.
> > Yes, Dublin Core fields would be a bonus .... I agree.
>
> It currently /IS/ Dublin Core (DC simple to be a bit more
> precise). That's the point. While DC is nice for exchange as
> it defines the most simple scheme applicable to everything
> (and thus any decent scheme should think about a mapping to
> DC), it is no good idea to build a database on top of DCs
> obvious limitations for the description of complex entities.
> It is just as it's name suggests: simple.
>
> >> Besides that, GUI for adding keywords is suboptimal. Here a
> >> simple substring search instead of only searching the
> >> beginning of a chain (a currently open bug, AFAIK) would
> >> already help a lot.
> > I have no problem in that area ... sub-string searches work well on my
> > system.
>
> Nope. Even on git master (9d66ec9) if I have a chain like
> the mentioned
>
> IPCT|City|Rome
> IPCT|City|Paris
> IPCT|City|Berlin
>
> in my keywords, already I get no results if I do not start
> out with IPTC|City in the tagging module.
>
> I'm not talking about dt's /search/ function, but adding
> keywords in the first place. I think it's bug
>
> http://www.darktable.org/redmine/issues/9088
>
> It would speed up indexing a lot if I could either type
> "City" and get IPCT|City suggested to add just a new city,
> or I could typ "Rome" and get the full chain. Unfortunately,
>
use % as a wildcard. (%City%)
> this does not yet work.
>
> There're actually several interesting things concerning
> metadata in dt's readmine, many of them unfortunately quite
> old.
>
> >> I always used what you call "layered tagging". Though I
> >> call it hierarchical keywords, and I admit I do /not/ use
> >> tags but only keywords from a normalized set
> >> (vocabulary), so I call it "indexing".
> > I do sometimes have a need to reindex/retag (or whatever
> > name one wants) and find this very easy to accomplish in
> > dt. Am I the only one?
>
> You miss the point here. Sure I can search for a tag delete
> it, even delete the whole chain, and assign a new one.
>
> What I was talking about was the management of a controled,
> structured, hierarchical, vocabulary. Ie. if I change the
> ordering in the /vocabulary/ by e.g. hooking up another
> layer or moving an entry around, then that change in the
> vocabulary should get automagically transfered ot the
> indexed images. Computers are quite good at that.
>
> [...]
> > I am sure that the db will change over time
>
> Sure. Unfortunately, metadata are not very attractive for
> most of the people.
>
> > to suit more users needs as has the rest of the program
> > but the perfect model that suits all users will still be
> > an illusion.
>
> Well, there exist a few in this area. Indexing is a
> "science" that has evolved for several hundred years in this
> things called "libraries" ;) One could learn a lot from
> those catalogues (leaving out the hardware limitations of
> paper cards of course).
>
> --
>
> Kind regards, / War is Peace.
> | Freedom is Slavery.
> Alexander Wagner | Ignorance is Strength.
> |
> | Theory : G. Orwell, "1984"
> / In practice: USA, since 2001
>
>
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