SphericalSurface.normal_at
- SphericalSurface.normal_at(u, v, world=True)[source]
Construct a normal vector at a point on the sphere.
- Parameters:
- ufloat
The first parameter.
- vfloat
The second parameter.
- worldbool, optional
If
True, return the normal in world coordinates.
- Returns:
compas.geometry.VectorThe normal vector.