[vtkusers] point normals

[Prabhu Ramachandran]

>>>>> "VN" == Vidhya Narayanan <gtg066j at mail.gatech.edu> writes:

    VN> display the point normals.Using the glyph3D ------>it
    VN> generates the surface normals. How do I generate point normals
    VN> asociated with the points extracted from the isosurfcae and
    VN> how to display the normals as lines? 

vtkPolyDataNormals and friends for normals.  vtkGlyphSource2D for
lines to go with the glyph3D.

prabhu