[vtkusers] How to vis normal vectors of polydata as arrows ?

Lin M majcjc at gmail.com
Wed Oct 29 22:33:29 EDT 2014

Hi all,

I'm trying to vis the normal vectos of polydata as arrows. Is there any
convenient way to achieve this? I read the example
here, but I still don't understand how to do this. It seems to vis one
arrow we need to follow quite a lot steps. I think my problem is the same
, though there is no answer below. :-(

Can anyone give me some advice? Thank you very much!

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