5.7.0: I screwed up

[digikam-2]

5.7.0 appimage. I'm using it only as a DAM, I do not use the edit
(btw, I would love to have a slimmer DK w/o the editing portion)

I have been moving images around: some of them in DK, some outside of
DK.

I have been renaming images: some of them in DK, some outside of DK.

I've been assigning a lot of tags.

I want to start over again, now that I think that I know better.

Is there a way of writing the metadata to images for all the albums but
only if the metadata has changed. I have 70,000 photos and it would take
a couple of days to write the xmp files

Then I can start again from scratch and re-import everything.

-- sknahT

vyS

[AndriusWild]

I don't think there is an easy solution for you.

Are your images all jpegs? Or raw? Or both? Do you have videos in your collection as well ?

Sent from my Samsung Galaxy smartphone.

-------- Original message --------

From: [hidden email]

Date: 2018-01-04 11:16 AM (GMT-07:00)

To: [hidden email]

Subject: 5.7.0: I screwed up

5.7.0 appimage. I'm using it only as a DAM, I do not use the edit
(btw, I would love to have a slimmer DK w/o the editing portion)

I have been moving images around: some of them in DK, some outside of
DK.

I have been renaming images: some of them in DK, some outside of DK.

I've been assigning a lot of tags.

I want to start over again, now that I think that I know better.

Is there a way of writing the metadata to images for all the albums but
only if the metadata has changed. I have 70,000 photos and it would take
a couple of days to write the xmp files

Then I can start again from scratch and re-import everything.

-- sknahT

vyS

Le 04/01/2018 à 20:58, Andrey Goreev a écrit :

> Is there a way of writing the metadata to images for all the albums but
> only if the metadata has changed.


isn't that the default?

jdd

--
http://dodin.org

[digikam-2]

On Thu, 04 Jan 2018 12:58:45 -0700
Andrey Goreev <[hidden email]> wrote:

> I don't think there is an easy solution for you.Are your images all
> jpegs? Or raw? Or both? Do you have videos in your collection as
> well ?

85%: raw
12-13%: jpg
a few others like PSD and PNG
0: video

--
sknahT

vyS

[digikam-2]

On Thu, 4 Jan 2018 21:05:32 +0100
"[hidden email]" <[hidden email]> wrote:

> Le 04/01/2018 à 20:58, Andrey Goreev a écrit :
>
> > Is there a way of writing the metadata to images for all the
> > albums but only if the metadata has changed.  
>
> isn't that the default?

Doesn't look like it.

I did it a few month ago and DK rewrote all the xmps. I didn't check
every single one, but I checked the "big" albums (5000+ photos) and
every single XMP has the same date and I saw the time "drift" of the
writes.

>
> jdd
>
> --
> http://dodin.org


--
sknahT

vyS

[AndriusWild]

I think you will have to re-write xmp sidecars for all raw images.
If you also use daktable and set it to write to xmp sidecars too make sure
to backup all the sidecars first.
I usually have no problem with darktable and digikam writing in the same xmp
sidecar but who knows what can happen.
You don't want to lose all darktable editing history in addition to the lost
tagging info.

For future you might want to rename files on import only and do not change
their names after that.
I find the following naming structure useful:
yyyymmdd_hhmmss_(unique number).jpg/dng
where unique number can be either a random number or the original number out
of camera e.g. if the image was IMG0023.dng on the SD card you can extract
the 0023 to make the name  yyyymmdd_hhmmss_0023.dng
I use Rapid Photo Downloader for that.

Any random sequence of numbers will work too. I use
$(FILE_FOLDER)/$(FILE_NAME)_$(SEQUENCE) when exporting jpeg from darktable.

Pros of such naming structure:
No spaces
Readable date and time
No duplicates




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