Am Dienstag, 1. August 2017, 10:14:24 CEST schrieb Laurent Latxague: > Hi, > > Yes, I remember this option in the pref pane, unfortunately whatever it > is checked or not the problem remains... To be sure I quit DT and > reloaded the files (to avoid the possible presence of a cached file) but > there was no improvement.
Try to remove it from dt and import again. The thumbs are cached on disk and probably not removed in your case. > This is indeed annoying since in my workflow I like to use the Z key in > the lightable from the thumbnails to quickly check if the picture is ok > or not. Now I'm compelled to copy the jpeg files too from the camera and > check their quality instead, as a temporary solution... > > Le 01/08/2017 à 00:16, Roman Lebedev a écrit : > > On Tue, Aug 1, 2017 at 1:04 AM, Laurent Latxague <bert...@free.fr > > > > <mailto:bert...@free.fr>> wrote: > > Regarding this particular issue : > >> (2) All DNG pictures appear strongly pixellized (with ctrl-Z > >> in the lightable) contrary to my CR2 or RAF files > >> > >> That only shows low-quality thumbnail, so it is kind-of expected. > > > > In the lightable, using Z or ctrl-Z of JPEG files straight from > > the camera is ok; on the corresponding DNG files it pixellizes. > > But meanwhile, if I work on the DNG file (even a little, for > > example by putting a bit more exposure in the darkroom), and then > > come back to the lightable, then Z or ctrl-Z magnifies the > > thumbnail correctly... > > I'm sorry to insist, but don't you think it's a bug regarding the > > way DT handles Leica DNG files ? Why these Leica DNG thumbnails > > would be expected (initially at least) to be of low quality and > > not the others (from Canon or Fuji) ? > > > > https://www.darktable.org/usermanual/ch08.html.php#gui_options > > I suspect "don't use embedded preview JPEG but half-size raw" is disabled? > > The thumbnail embedded in leica raw's, as you can see, is really tiny. > > You could enable that option, and then you will never see the embedded > > thumbnail. > > > > -- > > > > Roman.
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