Hi,

for a moment, I thought I had found a HUGE bug in darktable.  You see,
I had just calibrated my screen (wow, grey really looks grey now!),
and was surprised to see that darktable suddenly gave me very
different results in development mode.  The histogram looked awfully
wrong, the left end of the green channel would for example never move
left, it stopped a bit in from the left of the histogram, and colors
were all weird.

It took me a moment to notice the display profile choice in the output
color profile module.  Changing it to something like sRGB made things
quite a bit better.

Something I noticed was that the change of display profile changed the
image histogram...  and that has me surprised.  Why should the display
profile affect the image histogram?  I can understand if output and
softproof profiles affect the histogram...  but *display*?
Truly, this looks like a bug to me...  however, not as huge as I first
thought, but still a usability bug.  It makes me distrust the
histogram.

Cheers,
Richard

-- 
Richard Levitte                         [email protected]
                                        http://richard.levitte.org/

"Life is a tremendous celebration - and I'm invited!"
-- from a friend's blog, translated from Swedish

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