[vtkusers] VTK wrong normal detection

[Francois Lasson]

Hello,

I'm working on a project in which I need to make a normal detection on a 
vtkPolyData.

I'm using a vtkPLYReader to fill the vtkPolyData, when the mesh is 
centered on (0,0,0) the normal detection works ( Image : Without 
translation <http://i.imgur.com/UgEaOIt.png>).
However, as soon as I translate the mesh (1 meter on X, 1 meter on Y), 
the normal detection fails. (Image : With translation 
<http://i.imgur.com/t8S0OqJ.png>)

Please find PLY files and the code enclosed to this mail.

Thank you,
François Lasson.


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