RGB histogram is wrong (v1.8.6)

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FKCapitalism2
Posts: 380
Joined: Sun Apr 23, 2023 5:14 am

RGB histogram is wrong (v1.8.6)

Post by FKCapitalism2 »

See that blue line going across entire histogram when RGB mode enabled, however if show separate channels blue does not stretch across entire histogram.

RGB.jpg
B.jpg
R.jpg
G.jpg
Same error in big histogram.
props.png

P.S. please also consider this
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user0
XnThusiast
Posts: 2850
Joined: Sat May 09, 2015 9:37 am

Re: RGB histogram is wrong (v1.8.6)

Post by user0 »

its like in GIMP
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FKCapitalism2
Posts: 380
Joined: Sun Apr 23, 2023 5:14 am

Re: RGB histogram is wrong (v1.8.6)

Post by FKCapitalism2 »

user0 wrote: Mon Mar 24, 2025 5:12 pm its like in GIMP
Never used GIMP, but it looks little misleading with that blue line across bottom of histogram.
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user0
XnThusiast
Posts: 2850
Joined: Sat May 09, 2015 9:37 am

Re: RGB histogram is wrong (v1.8.6)

Post by user0 »

There doesn't seem to be a uniform approach to using the Y-axis when viewing an individual color channel:
  • Histogram
    • separate
      XnViewMP, ACDSee, Affinity, GIMP, Photoshop (even in Colors mode)
    • shared
      darktable, DxO
    • not allowed to select individual channel
      CaptureOne, Lightroom, Krita
  • Tone Curve
    • separate
      CaptureOne, Lightroom
    • shared
      DxO

I would prefer shared Y-axis OR maybe an option to switch it.
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