[Digikam-users] Writing metadata to image files

[Gilles Caulier]

2010/1/11 Julien Narboux <jnarboux at narboux.fr>:
> spinsheet a écrit :
>> Thanks, this is all quite informative. I do have some additional questions
>>
>> In 'Preferences' > 'Metadata' I see 'Common Metadata Actions', which of
>> those choices writes the metadata to the actual image files themselves? The
>> only one that I see that obviously writes metadata to the files is 'Write
>> Metadata to RAW files (experimental)', I assume that that is not the one as
>> I am not dealing with RAW files and it's also experimental.
>>
>>
>
> You need to check the five first items of  "Common Metadata Actions".
> Shift F1 on the option clarify what it does.
>
> By the way, dear developpers,  I think the description of these options
> is not very clear, I understand the confusion
> of spinsheet.
>
>  I would write :
> "Save image caption as metadata embedded in files" instead of
> "Save image caption as embedded text"
>
> "Save image tags as metadata "Keywords" embedded in files" instead of
> "Save image tags as "Keywords" tags"
>
> Maybe there could be a label to explain the five first settings,
> something saying:
> "Which pieces of information do you want to save as (EXIF, IPCT, XMP)
> metadata embedded into files.
>
>> If I set this up on a network drive and write the metadata to the images,
>> will others be able to do searches based on tags or will they only be able
>> to see the tags associated with an image and not be able to actually do a
>> search based on those tags? Will DigiKam build a database file based on the
>> embedded metadata? As I do not want others to have write access to the
>> images, will they be able to create their own custom tags that only reside
>> on their machine and not in the images (I would imagine that this is true)?
>>
>>
> Unfortunately, other people will have to use the "Album/ Reread metadata
> From Images" action in their copy of DigiKam  each time you are updating
> the metadata...
>
> In development branch of Digikam
> (branches/extragear/graphics/digikam/1.0-databaseext), Holger Foerster
> is working on a full database support for Digikam (Digikam currently
> only use sqlite, a small embedded database).

MySql is used in this branch.

>This support may allow in
> the future to have a real framework for managing metadata  in Digikam
> from several computers.  But I guess it will take a lots of time before
> it appears in a stable release (I think it is also a feature which is
> missing in major software such as Lightroom).


Probalbly with digiKam 1.3 release.

Gilles