[vtkusers] Show slice from vtkPolyData in slice of vtkImageData

[johannes.simon]

Ok, here's my problem:

I have a vtkImageData volume containing a number of slices. These are CT
scans. Only one slice at a time from the vtkImageData is rendered using a
vtkImagePlaneWidget.

The segmentation of one of the organs is stored in a vtkPolyData mesh.

Question: What is the most straight-forward way to extract a slice from this
mesh and render an outline over the corresponding slice in the widget?

Should I cut a slice from the mesh using a vtkCutter? How would I render it
to show the outline on the vtkImageData slice?

Thanks!

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