[vtkusers] vtkpoints --- getpoints example

[Saeed Mahdizadeh Bakhshmand]

Hello,

I am trying to copy a group of point coordinates from one vtkPoints to
another vtkPoints. I initially used GetPoint(id) in a for loop, but in
order to optimize my code and speed up its execution, I am trying to avoid
nested loops and as a result I hope to use GetPoints(ptId,fp) but couldn't
figure out what fp should be?

Regards,
Saeed
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