Duplicate creates another instance of the .xmp Most of the time this is all you need. Some times I use copy but it is rare. Example would be - I have 3 shots for hdr purpose. Normally I would move them to a different folder. In such case I can copy the image so I have the RAW in both folders. My reasoning - one folder is for HDR (so I have the 3 images) and the other folder is for non HDR - I would only keep 1 and delete the other 2 - if I conclude that the single image works better for me than the HDR.

What I am doing is not "needed" it is simply a preference in organization.

If you want something more automatic - you can write a script to back the .xmp files to a different location or use something like the backup program in ubuntu. In my opinion if it only backs the xmp it is a reasonable approach. Further - if you have FreeNAS - you can turn snapshots (I don't have it really but this is what I am finding on the net). So - to summarize

- duplicate for intentional keep / preserve
- backup tool or snapshots for unattended
- copy if you want to organize in an specific way. Drawback is the bigger use of space. I don't use it much so it works for me but it would not work for everybody. Besides - you can go around it by tagging images etc in many cases.

Regards,

B


On 2017-09-14 02:00 PM, Paul Deverson wrote:
Thank you for your comments, Patrick and Mauizio. I had read the manual, but was interested to see whether people tended to use Duplicate or Copy,

Cheers,

Paul.


On 09-14-2017, at 2:24 AM, Maurizio Paglia <mpagl...@gmail.com <mailto:mpagl...@gmail.com>> wrote:

Hi Paul,
Patrick explained you the right method.
However, if you simply desire to see how the image looks at different stages of development, you simply can play with the History Stack panel in darkroom mode.
See chapter 3.3.3 of the user manual.

Maurizio


2017-09-14 4:54 GMT+02:00 Patrick Shanahan <p...@opensuse.org <mailto:p...@opensuse.org>>:

    * Paul Deverson <p...@pauldeverson.com
    <mailto:p...@pauldeverson.com>> [09-13-17 22:09]:
    > Which method do you experts recommend for saving the ‘finished’ file +
    > xmp file so that after further changes, you can always revert
    to where
    > you were before?  Otherwise, if you do make further changes,
    you lose
    > the original
    > settings.

    duplicate the image.  it amounts to an additional xmp file which
    contains
    settings to generate another copy of your original. and you do
    not need
    to duplicate the original.

    it *is* in the fine manual.

    --
(paka)Patrick Shanahan Plainfield, Indiana, USA @ptilopteri
    http://en.opensuse.org <http://en.opensuse.org/>   openSUSE
    Community Member facebook/ptilopteri
    Registered Linux User #207535 @ http://linuxcounter.net
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