[vtkusers] write a specific point's normal of polyData

[Hila Hiler]

Hi All,

How should I get and WRITE a normal of a specific point from polyData.
The writing on .vtk file in order to examine what I got ...

I use this example, but only three first normals set. and again, how I can
write them?
http://www.vtk.org/Wiki/VTK/Examples/Cxx/PolyData/PolyDataPointNormals


Thanks
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