Am Samstag, 23. November 2013, 17:36:22 schrieb Marie-Noëlle Augendre: [...]
> 2013/11/23 Tobias Ellinghaus <[email protected]> > > > My French is a little rusty, but if color management in GIMP is turned off > > it's > > expected to look different. Maybe the other programs are also wrong? > > And darktable would be right to use the wrong profile? It uses the laptop > profile and doesn't change when the window is moved around. It uses what your system reports as the profile for that monitor. That's correct behaviour of darktable. Currently we are just trying to help you debugging your system so that the correct profiles are set. > > Have you tried to set the display profile manually to the correct one > > inside > > darktable and checked if it's then the same as with GIMP? > > Yes. If I change the display profile in darktable, everything seems to be > as it should be: > - the base curve is no longer hyper-saturated, loabster-looking; I no > longer need to deactivate it as I've done for several months > - the exported pictures look the same as in darktable, whether I use > Digikam, Gimp or Firefox. Ok, another thing I would like you to test is how the image looks in darkroom when you set the display profile to sRGB, compared to GIMP. > The only remaining problem is I have to set the display profile on every > picture as darktable only allows this in the output profile module. Why > would the display profile be related to a picture? That's for historic reasons. We should reevaluate this after the next release. I too think that this should be in the preferences. > Which profile is used in > lightroom mode? That's a little tricky. Depending on how you interpret the question it's "none" or "the one from darkroom". Quoting from [0]: "In darktable's lighttable mode there are however a few things you need to be aware of. [...] Once you've entered darkroom mode for a RAW, the image has been processed in darktable's imaging pipeline including the application of the display profile, so this result is now kept as an accurate thumbnail for that particular RAW. [...] we currently keep the display profile pre-applied in our thumbnail cache." > > Another thing we need to know is how you set the display profiles for the > > system. To me it looks as if something with that is weird. > > I used System Preferences of the Cinnamon desktop: for each device, I just > had to add and select the ICC profile I wanted to apply. If I understand the Google results correctly then Cinnamon is a fork of Gnome, so maybe you are actually using the gnome settings thing? Could you please check if you have by any chance colord installed and running? ps aux | grep colord Last but not least: Could you please run these commands and tell us what the output is: xprop -display :0.0 -len 32 -root _ICC_PROFILE xprop -display :0.0 -len 32 -root _ICC_PROFILE_1 hexdump <your laptop profile filename> | head hexdump <your bigscreen profile filename> | head Please be assured that I really want to get this sorted out. > Marie-Noëlle Tobias [0] http://www.darktable.org/2013/05/display-color-management-in-darktable/
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