axiolid_nurbs

Function elevate_surface_degree_u

Source 
pub fn elevate_surface_degree_u(
    surface: &BSplineSurface,
) -> GeomResult<BSplineSurface>
Expand description

Raise the surface’s u degree by one without changing it.

Exact. Interior u knots come out with multiplicity equal to the new degree (Bezier form), as for curves: collapsing them would be lossy, and is remove_surface_knot_u’s job.

§Errors

An invalid surface.