[vtkusers] KeyPressEvevnts

[shayan moradkhani]

hi
I am using "KeyPressEvevnts" example to apply 3d transformation on the
sphere using arrow keys.
here is the example:
"https://www.vtk.org/Wiki/VTK/Examples/Cxx/Interaction/KeypressEvents"
I  only added following lines:
double x = 0.0;
x = x + 1.0;
vtkSmartPointer<vtkTransform> handTransform =
vtkSmartPointer<vtkTransform>::New();
actor->SetUserTransform(handTransform);
handTransform->Translate(x, 0.0, 0.0);
and the code looked like the attached file.
KeyPressEvent.txt
<http://vtk.1045678.n5.nabble.com/file/t342474/KeyPressEvent.txt>  
but when I run the program, pressing up only executes the printing line and
it does not move the sphere.
anyone has any idea why it is not working?
regards
Shayan



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