On 03. juni 2015 20:36, Christophe Vescovi wrote:
Since I am using Darktable for years (at least one year before 1.0), I
have not read the user manual today ;-)
Such new option should not be "desactivated" by default, I think. Even
if it will be easy to apply a new profile to all my images.
Regards,
Chris
2015-06-03 20:28 GMT+02:00 Christophe Vescovi
<[email protected] <mailto:[email protected]>>:
Thanks !
Gamut clipping was set to "none"
2015-06-03 20:17 GMT+02:00 Roman Lebedev <[email protected]
<mailto:[email protected]>>:
Hi.
On Wed, Jun 3, 2015 at 9:02 PM, Christophe Vescovi
<[email protected]
<mailto:[email protected]>> wrote:
After a long time without upgrading my system, I have gone
from DT 1.4.2 to DT 1.6.6.
I have noticed a problem with the Tone Curve Tool, that
create very bad purple color zone even when set completly
flat.
You can see an example image here :
http://chris.stingray.free.fr/tmp/dt_purple.png
Most likely, it will be gone if you set gamut clipping (in
input color profile) to “linear Rec2020 RGB”
https://www.darktable.org/usermanual/ch03s04s03.html.php#input_color_profile
The raw is from a Sony Nex 6.
I have tried the unstable ppa (I am using Ubuntu) and the
problem is the same.
Since the Tone curve is quite a basic tool, I am very
surprised to see this "bug".
Regards,
Chris
Roman.
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Such an option is for corner cases. And on stage photos are a corner case.
The option will probably have a detrimental effect on the images, and is
therefore deactivated by default.
hal2100
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