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Image Representation

Select a Tool

Buttons located in the same groups are highlighted with the same color

Button Function Mouse Keyboard
Reset Restore all image parameters.
Configuration
Window Width/Level Change window width/level:
  • Press and hold the left mouse button over the selected frames
  • Moving the mouse left-right changes window width
  • Moving the mouse up-down changes window level

With any tool selected, hold the Shift key on the keyboard and the left mouse button + to temporarily switch to the "Window Width/Level" tool
Move the mouse to change window width/level

Release the Shift key on the keyboard and the left mouse button to return to the previously selected tool

Positive / Negative Toggle mode: "Positive", "Negative".
WL Representation Toggle Window / Level representation mode:
  • linear
  • exponential
  • logarithmic
  • sigmoidal
Palette Toggle Window / Level representation in color
Default - gray.
"Filters" Group
Smooth Filter Increase Smooth level, 5 levels
Sharpen Filter Increase Sharpness level, 5 levels
No Filters Remove all filters

Select Window / Level
Select Window / Level value:
  • When clicked, a list will open for selecting a window/level
  • Select the desired value
Configuring W / L Values
+
-
+

See also:
Vidar Dicom Viewer Help 3.0, © 2026 PO Vidar