Question about sidecars

[Henrik Hemrin]

Also, maybe you know that already, but you must choose/decide for xmp 
file names setting; if the tick box "Side car file names are 
compatible..." should be marked or not so both sw writes and read in the 
same xmp file.

https://docs.digikam.org/en/setup_application/metadata_settings.html#sidecars-settings

Regards

Henrik

Den 2023-10-22 kl. 15:55, skrev noname at fastmail.net:
> Hello Remko,
>
> Thank you very much for your quick response. In thinking more about 
> the .xmp files, I can easily understand--now--why the changes to the 
> image can't be transferred between digiKam and darktable, and 
> thumbnails can't be transferred, either.
>
> Jay
>
> On Sun, Oct 22, 2023, at 01:34, Remco Viëtor wrote:
>> On dimanche 22 octobre 2023 01:52:36 CEST Jay wrote:
>> > I'm using digiKam 8.0.0 and darktable 4.4.2 on Linux Mint 21.2.
>> >
>> > I may have misunderstood the use of sidecars. I was expecting that 
>> a sidecar
>> > created in darktable would be readable by digiKam to show the changes I
>> > might have made in darktable and have them displayed in digiKam. And
>> > vice-versa as well. However, I'm not seeing the changes I make to 
>> each raw
>> > file in the other application, so think I may have misunderstood the
>> > ability to interchange .xmp files.
>> >
>> > I have set digiKam to read and write to .xmp files, and have also set
>> > additional file extensions to RW2, my raw file extension.
>> >
>> > Any assistance appreciated.
>> >
>> > Jay Rutherford
>> The sidecars from darktable can be read by digikam (I use that feature
>> myself). That said, reading an xmp file does not mean the reading 
>> program can
>> *use* the information...
>>
>> Digikam can use the keywords, captions, etc. written by darktable 
>> (and vice
>> versa). It cannot read the editing instructions from darktable. Some of
>> darktable's modules have no equivalent in digikam, and for others you 
>> cannot
>> be sure the parameters have the same meaning.
>>
>> Also, applications do not store a thumbnail in a sidecar file. So 
>> there is no
>> way to transfer an edit from one program to another through a sidecar 
>> file,
>> you will have to create an image file with the edits (export in 
>> darktable).
>>
>> Nor is there an easy way to reuse the thumbnails from one program in 
>> the other
>> (they use a completely different image formats and thumbnail 
>> organisations).
>>
>> Remco
>>
>>
>>
>>
>>
>
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