https://bugs.kde.org/show_bug.cgi?id=411578
Bug ID: 411578
Summary: White Balance changes global luminosity
Product: digikam
Version: 6.2.0
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: Plugin-Editor-WB
Assignee: digikam-bugs-n...@kde.org
Reporter: alexandre.b...@live.fr
Target Milestone: ---
Created attachment 122480
--> https://bugs.kde.org/attachment.cgi?id=122480&action=edit
Digikam processing 5600K
SUMMARY
Going to lower Temperature decreases the luminosity of the picture.
STEPS TO REPRODUCE
1. Open a JPG picture taken with bulb lamp (yellowish).
2. Change temperature to lower value (remove 1000K for instance) or choose a
preset like "200W lamp".
3. Apply
OBSERVED RESULT
the picture looses luminosity. For the preset "200W" it's even going dark &
blue !!
EXPECTED RESULT
the picture should change the color temperature but keep the global luminosity.
And Presets like 100 / 200W lamp should not give a black/blueish result.
SOFTWARE/OS VERSIONS
Windows: 10
ADDITIONAL INFORMATION
screenshots attached comparing Digikam and Darktable
Please check if the "component" above is the right one ; I can see "balance"
and "WB" which made me hesitate.
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