[Digikam-users] Re: tagging: cr2 vs dng

[Ozzy]

I am a Canon user too. I have tried tagging cr2 files before and it does not
work.
That is one of the reasons why I convert all my cr2 files to DNG (via Adobe
DNG converter).
Once the RAW files are DNG's, I apply the tags with no problem - well,
besides how LONG it takes...

Hope this helps.

O.

On Sun, Jan 2, 2011 at 12:45 PM, Jim Dory <james at dorydesign.com> wrote:

> On Sun, Jan 2, 2011 at 4:36 AM, Remco Viëtor <remco.vietor at wanadoo.fr>
> wrote:
> > on Sunday 02 January 2011, Jim Dory wrote:
> >> (...)
> >> So, when I tag DNG files in Digikam - it takes an incredibly long time
> >> when tagging several at once. I convert all my CR2 files to DNG then
> >> move off the CR2 files to an external backup and forget about them and
> >> just have DNG in Digikam. Unfortunately I've done this to many
> >> hundreds of photos before tagging them - and now face the painfully
> >> slow tagging process. Easy workaround in the future and something I
> >> now realize I should have been doing is just first tag the CR2s before
> >> converting -as the tags are preserved during the conversion to DNG.
> >>
> >> So not sure if my setup is wrong or I'm doing something wrong, but not
> >> sure why DNG takes so long in applying tags. I am using Adobe's DNG
> >> converter as I have not yet figured out how to get Digikam's DNG
> >> conversion to work as well - I'm not happy with color/white balance.
> >> ...
> >
> > Not sure if I'm on the right track, but the speed difference might be due
> to
> > Digikam not writing the tags to CR2 files, while it can (and does) write
> them
> > to the DNG files. In both cases the database will be updated as well, but
> that
> > is relatively fast.
> >
> > This would also imply that tagging the CR2 files and then converting with
> > Adobe converter wouldn't help (I'd not expect the Adobe converter to use
> the
> > Digikam database)
> >
> > Good luck
>
> I just tried tagging the cr2 files and converting to DNG again. This
> time it did not bring the tags along - the DNG files are not tagged.
> So I must have been fooled somehow or imagined it worked before. Dang.
>
> cheers (and thanks for reply), Jim
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