[vtkusers] feature edges on sphere !

[Sebastien Auclair]

Greetings !

I use vtkFeatureEdges to extract the feature edges of different
primitives...
Of course, this class can't deal with shapes that don't have extractable
angles...(i.e. sphere...)

How could i generate the outlines of a sphere ?
Ideally, it would be two circles ... one for the equator and the other one
for a meridian.

Thanks !
________________________________________
Seb