[vtkusers] Change pixel value from vtkImageData

[flory]

Hello,

I want to change the value of a pixel given its coordinates(x, y, z). I am
using VTK with Java wrapping. I have tried to set the value with
img.SetScalarComponentFromDouble(x, y, z, 0, value);
but the value is not changed.
Unfortunately in Java the GetScalarPointer is not available so I cannot use
this solution.
Has anyone tried to do this before?
I would appreciate any help or suggestion.

Regards,
              Flory

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