[vtkusers] Re: how to calculate normals on the surface of a 3d object

[Moti Freiman]

Hi!

if your data is a vtkPolyData object you can use the vtkPolyDataNormals 
filter. <vtkPolyDataNormals_8h-source.html>

-- 
Moti Freiman.
Medical Image Processing and Computer-Assisted Surgery Laboratory.
School of Computer Science and Engineering.
The Hebrew University of Jerusalem Givat Ram, Jerusalem 91904, Israel 
Phone: +(972)-2-658-5371 (laboratory) 
E-mail: freiman at cs.huji.ac.il 
WWW site: http://www.cs.huji.ac.il/~freiman