Entity type 128.
public vtb::iges::Entityusing knot_array = std::vector< T >using weight_array = std::vector< std::vector< T > >using vertex_array = std::vector< std::vector< vec3 > >using vec3 = blitz::TinyVector< T, 3 >parameters(iges_ostream & out) const -> voidprotectedvirtualRational_basis_spline_surface(knot_array u_knots, knot_array v_knots, weight_array weights, vertex_array points)Rational_basis_spline_surface()