Interoperability with Darktable

[Wolfgang Mader]

Hi all,

I have noticed that Digikam and Darktable have a slightly different way in
writing out the xmp files. Is there anything I need to be aware of when using
Digikam and Darktable together in my workflow? I am using star rating, tags,
comments, geo location.

Thank you.
Best,
Wolfgang
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[Gerhard Hoogterp]

On Sunday, October 27, 2013 07:29:53 PM Wolfgang Mader wrote:

> I have noticed that Digikam and Darktable have a slightly different way in
> writing out the xmp files. Is there anything I need to be aware of when
> using Digikam and Darktable together in my workflow? I am using star
> rating, tags, comments, geo location.

I've been using darktable together with digikam for some time now and as far
as I can see there are no compatability issues.

The only problem which I have is in openning a second image from digikam in
darktable. This will not work well. So for now it's:  open image, do your
thing, export and close darktable before you open the next image.

Gerhard

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[Martin (KDE)]

Am 27.10.2013 19:29, schrieb Wolfgang Mader:
> Hi all,
>
> I have noticed that Digikam and Darktable have a slightly different way in
> writing out the xmp files. Is there anything I need to be aware of when using
> Digikam and Darktable together in my workflow? I am using star rating, tags,
> comments, geo location.

Darktable by default will not reread xmp sidecar files. So if you change
something in digikam (ratings, tags) darktable will not show it. I am
not sure if darktable will overwrite all changes. I asked on the
darktable developer list if this will change in near future and I was
told that this (using darktable with digikam or simmilar) is not a
workflow any of the developer is using an with this has a very low priority.

What is the way digikam handles changes in sidecar files from outside?

Regards
Martin

>
> Thank you.
> Best,
> Wolfgang
> _______________________________________________
> Digikam-users mailing list
> [hidden email]
> https://mail.kde.org/mailman/listinfo/digikam-users
>

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[hajo]

My workflow stats with darktable to develop, choose keepers. Then to Digikam for tagging/archiving and back to darktable for export. 

For darktable to pick up the Digikam metadata, I remove the pics and add the folder again. Hence they get re-read and carry the metadata. 

Digikam has a function to re-read metadata from file but in my experience doesn't pick up all the darktable-written data nicely. Hence I tag in Digikam.

On Monday, October 28, 2013, Martin (KDE) wrote:

Am 27.10.2013 19:29, schrieb Wolfgang Mader:
> Hi all,
>
> I have noticed that Digikam and Darktable have a slightly different way in
> writing out the xmp files. Is there anything I need to be aware of when using
> Digikam and Darktable together in my workflow? I am using star rating, tags,
> comments, geo location.

Darktable by default will not reread xmp sidecar files. So if you change
something in digikam (ratings, tags) darktable will not show it. I am
not sure if darktable will overwrite all changes. I asked on the
darktable developer list if this will change in near future and I was
told that this (using darktable with digikam or simmilar) is not a
workflow any of the developer is using an with this has a very low priority.

What is the way digikam handles changes in sidecar files from outside?

Regards
Martin

>
> Thank you.
> Best,
> Wolfgang
> _______________________________________________
> Digikam-users mailing list
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> https://mail.kde.org/mailman/listinfo/digikam-users
>

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[Matthew Marlowe]

I'm also using darktable with digikam.  My understanding is that darktable has some photo management functionality, but the development focus remains on raw processing and other programs like digikam are expected to handle any non-trivial photo management requirements.

Currently, my workflow is:

a)  Import raw files from SDcard via digikam to ~/video/digikam/cr2 folder.

b)  Copy over all raw files for a month to a new folder within digikam - ~/video/digikam/archive/year/year-month/raw

c)  Import the cr2s from ~video/digikam/archive/year/year-month/raw to darktable

d)  Have darktable process selected raws and deleted undesired stills.  Export cropped png files to ~/video/digikam/png folder

e)  When all photos for a particular event are completed, perform watermarking and any minor tuning that me be easier to perform within digikam and then batch convert to jpg and place final photos in ~/video/digikam/year/year-month/eventname

f)   Tag jpgs as appropriate and then using kipi-plugins, upload to flickr or other services to publish

g)  remove leftover png files, if I need to edit files significantly in the future - I can just re-export the raws from darktable - this is relatively rare.

Do I wish there was better integration between digikam and darktable? yes -- but the current workflow seems to work fine w/o any issues in either app.  Yes, I realize that my raws aren't tagged but the jpgs are and the jpg filenames are almost identical to the raws.

On Mon, Oct 28, 2013 at 6:46 AM, HaJo Schatz <[hidden email]> wrote:

My workflow stats with darktable to develop, choose keepers. Then to Digikam for tagging/archiving and back to darktable for export. 

For darktable to pick up the Digikam metadata, I remove the pics and add the folder again. Hence they get re-read and carry the metadata. 

Digikam has a function to re-read metadata from file but in my experience doesn't pick up all the darktable-written data nicely. Hence I tag in Digikam.

On Monday, October 28, 2013, Martin (KDE) wrote:

Am 27.10.2013 19:29, schrieb Wolfgang Mader:
> Hi all,
>
> I have noticed that Digikam and Darktable have a slightly different way in
> writing out the xmp files. Is there anything I need to be aware of when using
> Digikam and Darktable together in my workflow? I am using star rating, tags,
> comments, geo location.

Darktable by default will not reread xmp sidecar files. So if you change
something in digikam (ratings, tags) darktable will not show it. I am
not sure if darktable will overwrite all changes. I asked on the
darktable developer list if this will change in near future and I was
told that this (using darktable with digikam or simmilar) is not a
workflow any of the developer is using an with this has a very low priority.

What is the way digikam handles changes in sidecar files from outside?

Regards
Martin

>
> Thank you.
> Best,
> Wolfgang
> _______________________________________________
> Digikam-users mailing list
> [hidden email]
> https://mail.kde.org/mailman/listinfo/digikam-users
>

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