[vtkusers] How to put vtkDiskSource on vtkPolyDataMapper

[Matthew D]

I need differect vtkActor for each Ring. But the problem I don't know how to
calculate SetPosition and SetOrientation for each of them (which function
filter use to do that).

https://image.ibb.co/g8c9yV/rings.png

Current picture, at top two images from different coordinate positions, and
at the bottom how it should be in any place. The surface is a "head"
(vtkPolyData), coordinate system begins in head center. 





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