[vtkusers] How to get vtkRenderWindowInteractor from vtkTkRenderWidget

Yi-Yu Chou chouyiyu at hotmail.com
Wed Feb 26 18:13:06 EST 2003


Hello,

I want to specify the vtkPropPicker instance 
for vtkRenderWindowInteractor to pick out the 
3D coordinates, and I must use vtkTkRenderWidget
for vtk rendering. But I don't know how to get
the vtkRenderWindowInteractor from vtkTkRenderWidget.
My code is :
.........
style = vtkInteractorStyleUser()
pane = vtkTkRenderWidget()
pane.GetRenderWindow().GetInteractor().SetInteractorStyle(style)
......
The error is:
AttributeError: 'NoneType' object has no attribute 'SetInteractorStyle'

Can anyone show me how to do it?
Thanks a lot !!

Yi-Yu

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