Hi Mark,
in the first step you might go back to the MAC, select all photos and
chose "write XMP" in lighttable-mode.
I'm not sure if it would be better to erase the "old" overwritten xmps
before. From the manual:
write sidecar files
Write XMP sidecar files for all selected images. The filename
is generated by appending
“.xmp” to the name of the underlying input file.
Then you should have the situation before you connected that drive on
your home computer.
Next I would go home, select all of these photos in your ubuntu
installation, "remove from collection", then reimport them and things
should be done.
remove
Remove the selected images from the darktable database. Those
images will not be shown
in lighttable anymore, but remain on the filesystem. As
darktable stores XMP files with
your development parameters on disk, you can later fully
reconstruct your work by just
re-importing the images.
When backing up your RAWs make sure to also save the XMP files!
good luck
-Bernhard-
Mark Patey schrieb am 14.12.2014 um 03:33:
Hi, all-
Longtime dt user, but it's been a while since I've had to post here! A
very good sign.
I have darktable installed at home on my Ubuntu laptop (slow-ish, not
a great screen), and have recently installed it on a Mac Pro
workstation at work as well, where it works very nicely (and I have a
much better monitor to work with). Yesterday I knew I'd have some
downtime at work, and edited a bunch of photos I shot recently of a
friend's wedding. The photos are on a portable external hard drive,
and I simply brought the drive to work with me and edited them in
darktable there, directly on the external drive (not copying to the
local drive, so I could easily bring my edits home with me).
Tonight I attached the external drive to my Ubuntu laptop to continue
working on the photos. They had all been opened on this laptop before,
so there was a "collection" for them already... and when I opened
darktable, that collection came up by default. But none of my edits
from work were there. Photos that I know had 10-15 steps of editing
were just showing the 3 basic default steps.
I tried re-importing, thinking dt was using a cached version of the
.xmp files or something. It then occurred to me that I'd better close
darktable immediately, thinking the longer it was open, the more
likely it would overwrite all the .xmp files created on the Mac! Of
course, it had already done that, I assume when I first opened the
collection.
When I look at the contents of the folder, indeed all the .xmp files
are created just a few minutes ago... with not a single one left from
all the work I did yesterday.
Is there anything at all I can do at this point? I know dt uses a
database in addition to the .xmp files... any chance the database
files from the Mac installation could be copied to my Ubuntu install
and bring back all my edits?
This portable drive setup seemed like it should work nicely, with both
installations simply reading the .xmp files unless edits were made...
I did not foresee dt erasing them all by default.
Thanks in advance for any light you can shed.
-Mark
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