[vtkusers] How to use vtkExtractSelection on points

[Dave Edmunds]

Hi all,

I am confused about how to use a vtkSelectionNode combined with
vtkExtractSelection. I basically want to extract all points from a
vtkPolyData which have their Z coordinates in a certain range e.g. -5.0 < Z
< +5.0.
Could anyone help with this?

Kind regards,

Dave 



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