[vtkusers] How to change window level & window width of vtkInteractorStyleImage

K O ranjith kor1581 at gmail.com
Tue Aug 1 03:10:57 EDT 2017

Hello all,

I'm using using vtkImageViewer2
to display dicom images and uses custom interactor inherited  from

And  uses left mouse button down move event to modify window level and width.

I need to manually set window level
and window width of the viewing image to custom value.

for this I'm using the methods

vtkImageViewer2->*SetColorLevel*(double level);

vtkImageViewer2->*SetColorWindow*(double width);

But, even after setting the values
it is not reflecting in vtkInteractorStyleImage,

The method,

windolevel, int windowwidth);

returning different values than  set in vtkImageViewer2.

Have any method to manually modify
window level and window values of vtkInteractorStyleImage to custom value.

(something like SetColorLevel
SetColorWindow of vtkImageViewer2)

My intention is to manually modify
window values of displaying image.

Please help...
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