[digiKam-users] Versioning of processed photos

[Tac Tacelosky]

How does digiKam handle changes made from external programs (like
RawTherappee)?

On Wed, Mar 7, 2018 at 3:36 PM, Marcel Wiesweg <marcel.wiesweg at gmx.de>
wrote:

> yes it does...
> there is no standard (at least was not 8 years ago)
> we assign a unique id to edited images,
> we store the history as XML in Xmp.digiKam.ImageHistory that refers to
> among
> others to this id, and some secondary identifiers like filename / file size
> IIRC
>
>
>
> > Is there any metadata associated with a final photo that indicates its
> > "source", the original file it started with?
> >
> > I'm working with digiKam as my DAM, and using RawTherappee and
> occasionally
> > LightZone to process photos.  I'm also learning how to use the queues to
> > processed RAW photos within DigiKam.
> >
> > I'm thinking that if I start off with MyPhoto.RAW, I can create
> derivative
> > photos from it and preserve the history by using filenames, e.g.
> >
> > MyPhoto.RAF
> > MyPhoto.thumb.jpeg
> > MyPhoto.bw.jpeg
> > MyPhoto.final.jpeg
> >
> > Is that the best way?  Or is there metadata somewhere that points back to
> > the original photos (Sidecar file, EXIF, etc.)
> >
> > I figure this must be a pretty common question, and that maybe DigiKam
> > already handles it.
> >
> > Thanks,
> >
> > Tac
>
>
>
>
>
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