as a quick workaround, if that does the trick for you:
- run a script or whatever (maybe calling into exiftool and sed etc) and
create a txt file next to your images (img_0000.cr2 would get a
img_0000.txt sidecar txt file).
- enable custom overlays by setting
plugins/lighttable/draw_custom_metadata=TRUE
in your darktablerc
- whenever you go to preview mode 'z' or one-image mode 'alt-1' in
lighttable mode, the contents of this text file will be drawn as overlay on
your screen.
that's how i display the settings of my renderer when reviewing frames.
-jo
On Wed, Dec 10, 2014 at 11:58 PM, Tobias Ellinghaus <h...@gmx.de> wrote:
> Am Dienstag, 9. Dezember 2014, 20:11:56 schrieb Chris Siebenmann:
> > > Yes, I had some ideas and started working on it but I am kind
> > > of stuck. I still have to evaluate some things before I can
> > > proceed. Current plan is to import basically every bit (*) of metadata
> > > into the db (so it can be used to find images which wouldn't work if
> > > it gets read on demand). I am still not sure if all that data should
> > > be put into the XMP, too. Or just if it has been changed in dt from
> > > its original value.
> >
> > [...]
> >
> > > (*) this will most likely be limited to a curated set of fields which
> > > should however be big enough for almost everyone.
> >
> > My entirely personal view is that there should be a hook in the
> > code for extracting truly arbitrary exiv2-supported fields from the
> > underlying file. Camera makers seem to be endlessly inventive about what
> > data they put into their files, so regardless of what you do to the code
> > now I think that sooner or later people are likely to hit another case
> > where there's some piece of data that has not been pre-imported into the
> > database.
>
> I would like to avoid that. Makernotes are basically binary blobs that
> have no
> defined meaning. If you really need that data for some specific images and
> agree
> that loading it will be sloooow you could probably look for some exif
> bindings
> for lua.
>
> > (And as you say, you're intending a curated set of fields which should
> > be big enough for 'almost everyone'.)
> >
> > While I'm dreaming, it would be really great if one could literally
> > specify the fields to display by exiv2 name and thus get at arbitrary
> > fields as long as their format was known by the underlying code, but
> > I suspect that that's way, way beyond the bounds of what people are
> > contemplating as far as metadata display and customization goes.
>
> Something like that is the plan. However, not all fields will be
> accessible, as
> some are duplicated in several places and we have to keep those in sync. So
> there would probably be just one way to specify the location or the date
> and
> that data would be written to Exif (maybe, it's not that useful), IPTC and
> XMP. From the GUI side there would probably be no "Xmp.dc.title" string but
> human readable field names. But as I said, all that is still in flux.
> What dt will not be is a generic Exif editor. If you want to mess with all
> the
> fields as they are stored in the input file you need some other program.
> We want
> a tool suitable for professional workflows.
>
> > - cks
>
> Tobias
>
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