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Colored pixels remain unchanged, even when sliding the Level Window slider to low numbers
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From the image rendering checklist by Shuhuan Xiao.
OS: Ubuntu 22.04.1 LTS

I'm unable to recreate the same on Ubuntu 20.04.

Checklist Item

  • Use the DataManager to turn „rgbImage“ visible and „ramp“ and „rgbaImage“ invisible; test the LevelWindow

Expected Result

  • Only the image „rgbImage“ is visible and the displayed color range changes in accordance with the setting of the LevelWindow Slider.

Observed Result

  • Note sure if the values of colored pixels are supposed to remain unchanged, even when sliding the LevelWindow Slider to very low numbers (~-1e30)

Event Timeline

s349i triaged this task as Normal priority.Oct 10 2022, 10:58 AM
s349i created this task.
floca raised the priority of this task from Normal to Unbreak Now!.Oct 13 2022, 10:37 AM

As far as I can tell, this is the expected behavior. Any voxel that has a (greyscale) value above the level-window range is shown completely white. The colors only extend this to multiple channels, but the behavior is still the same. So with very low level-window, the colors are expected to stay visible very strongly

kislinsk lowered the priority of this task from Unbreak Now! to Normal.Oct 19 2022, 10:26 AM
kislinsk removed a project: Request for Discussion.
kislinsk edited projects, added Next Milestone; removed MITK (v2022.10).
kislinsk added a subscriber: kislinsk.

I think it actually is an issue or at least unexpected. The level window seems to have trouble with color images in general.