From the docs:
|darktable-generate-cache [-h, --help] [--version] [--min-mip <0-8>] [-m,--max-mip <0-8>]
[--min-imgid <N>] [--max-imgid <N>] [--core <darktable options>]
the only way to restrict the number of images is per use of imgid.
This is incremented when importing images. So I can do this just after import
for recent images. But if I have a collection of SOME RANDOM images (e. g. by
tag etc.) there is no such thing as a sequential numbering.
When I look at my .cache I find
0 - 10.208 files
1 - 17.105 files
2 - 9.878 files
3 - 3.466 files
4 - 130 files
5 - 39 files |||
6 - 39 files |||
7- 39 files ||
8 - 0 files |
So when typing "W" in lighttable for full preview (1920x1200 display, size 4
needed) in a given selection most of the time I get a break for several 10 seconds before
being able to view the preview. Would be fine to just select all the images and hit a
button, go away and come back after some time to flip through the images ...
In short: I do understand that request ...
--
regards
Bernhard
https://www.bilddateien.de
Mica Semrick schrieb am 04.01.22 um 05:48:
Its all or nothing, you can select which ones you want. Adjust the thumbnail
size to your liking, and then run dark tables generated cache.
-m
On January 3, 2022 11:29:38 AM PST, Christian Birzer
<christ...@christianbirzer.de> wrote:
Hello,
you are not alone with this request. I also would like to have a easy way to
generate the previews. I'd like to select the images I want to generate and
then hit a button or menu entry to generate the full size preview for these.
Then you could ctrl-a in your last import, start generation, drink a coffee and
begin sorting your pictures.
Doing this with an external tool works, but is not so convenient, of course.
And I don't know how to select the images that shall be recalculated. It's not
required to regenerate all thumbnails, just the last import to work faster with
them.
-- Christian Birzer
christ...@christianbirzer.de
www.ChristianBirzer.de
www.500px.com/ChristianBirzer
www.flickr.com/ChristianBirzer
www.facebook.com/Birzer.Christian
www.instagram.com/birzer.christian
Am 03.01.2022 um 18:30 schrieb Jørn Villesen Christensen:
Hi there,
First off: Thank you for a great application. I enjoy using darktable very
much, and I feel that (with the latest 3.8) it got both better and faster on my
machine. Thank you! :-)
I have a feature request, though. If it is already implemented, then maybe I
need a pointer to a place in the documentation :-D But, the request is: The
ability (within lighttable mode) to enable preload / pre-caching of full
previews.
To put some more words on my work situation: When I am culling images in lighttable mode, I go to
full preview mode (shortcut 'w' or 'f') and flick through the images. Whenever darktable encounters
a "new" image,it takes a second to render a full screen preview (or more if I have
already done some edits). It then caches it so the next time (within same session) I show that
image, it is shown immediately. This delay, however, is a bit annoying when I flick through the
images for comparison. I therefor often find myself scrolling fast 10 to 20 images ahead,
triggering a preview-generation, for then to go back to "start" and actually viewing the
images.
I would love it, if i did not have to do the little scroll back and forth
dance, but that darktable would just start generating previews whenever I went
into full preview mode.
I know there are some open questions (How many previews to generate? What
happens if the cached images hits the cache limit? What then whenyou zoom in on
a photo?) which I would be happy to discuss, but first step would be to check
in whether a) I am the only one with this request? b) Is this already
implemented (and I just haven't found the feature)?
BR
Jørn
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