[vtkusers] Slice in 3D

[Yoan BLANC]

Richard Layman wrote:

> Yoan,
>
> I am not an expert but the vtkImagePlaneWidget class and the 
> ImagePlaneWidget example in the GUI directory should provide some 
> guidance.

I've tried that :

plane = vtk.vtkImagePlaneWidget()
plane.DisplayTextOn()
plane.SetInput(image_reader.GetOutput())
plane.SetOrigin(origin)
plane.SetPoint1(point1)
plane.SetPoint2(point2)
plane.SetInteractor(interactor)
plane.On()

The behaviour is strange. There is a plane displayed at origin - point1 
- point2, but a white square on the side and no texture - just black. 
(See the attached picture)

Thanks

Yoan
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