[vtkusers] about vtkPolyDataNormals
simukoap at gmail.com
Thu Aug 17 23:06:06 EDT 2006
vtkPolyDataNormals can compute point normals for a polygonal mesh. If I
already use this class to get normal for every point, how can I just draw
one or serveral point normal out. I mean, I know the exact point coordinate,
how can I draw the normal of that point? (the point is original data, no
need to interpolate)
vtkPolyDataNormals *normals = vtkPolyDataNormals::New();
then what should I add? (assume my point coordinate is (x,y,z) )
Any help would be appreciated. Thanks!
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