gluTessNormal( GLUtesselator* ( tess ) , GLdouble ( valueX ) , GLdouble ( valueY ) , GLdouble ( valueZ ) )-> void
Specifies the tessellation object (created with gluNewTess ).
Specifies the first component of the normal.
Specifies the second component of the normal.
Specifies the third component of the normal.
Sample Code References
The following code samples have been found which appear to reference the functions described here. Take care that the code may be old, broken or not even use PyOpenGL.