ENTITY b_spline_surface_with_knots
(* SCHEMA STRUCTURAL_FRAME_SCHEMA; *)
ENTITY b_spline_surface_with_knots
SUBTYPE OF (b_spline_surface);
u_multiplicities : LIST [2:?] OF INTEGER;
v_multiplicities : LIST [2:?] OF INTEGER;
u_knots : LIST [2:?] OF parameter_value;
v_knots : LIST [2:?] OF parameter_value;
knot_spec : knot_type;
DERIVE
knot_u_upper : INTEGER := SIZEOF(u_knots);
knot_v_upper : INTEGER := SIZEOF(v_knots);
WHERE
WRB5 : constraints_param_b_spline(SELF\b_spline_surface.u_degree,
knot_u_upper, SELF\b_spline_surface.u_upper,
u_multiplicities, u_knots);
WRB6 : constraints_param_b_spline(SELF\b_spline_surface.v_degree,
knot_v_upper, SELF\b_spline_surface.v_upper,
v_multiplicities, v_knots);
WRB7 : SIZEOF(u_multiplicities) = knot_u_upper;
WRB8 : SIZEOF(v_multiplicities) = knot_v_upper;
END_ENTITY; (* STEP Part 42 (unchanged in 2nd edition) *)
Explicit Attributes
Entity b_spline_surface_with_knots has the following local and inherited explicit attributes:
Derived Attributes
Entity b_spline_surface_with_knots has the following local and inherited derived attributes:
Inverse Attributes
No Inverse AttributesSupertypes
Entity b_spline_surface_with_knots inherits from the following supertypes:
representation_item
geometric_representation_item
surface
bounded_surface
b_spline_surface
Subtypes
No subtypesReferenced By
Entity b_spline_surface_with_knots and its supertypes are referenced by the following definitions:
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2023-03-25T00:11:38-04:00