ENTITY b_spline_volume
(* SCHEMA STRUCTURAL_FRAME_SCHEMA; *)
(* New for LPM/6 *)
ENTITY b_spline_volume
SUPERTYPE OF (ONEOF(
b_spline_volume_with_knots,
uniform_volume,
quasi_uniform_volume,
bezier_volume) ANDOR
rational_b_spline_volume)
SUBTYPE OF (volume);
u_degree : INTEGER;
v_degree : INTEGER;
w_degree : INTEGER;
control_points_list : LIST [2:?] OF LIST [2:?] OF LIST [2:?] OF cartesian_point;
DERIVE
u_upper : INTEGER := SIZEOF(control_points_list) - 1;
v_upper : INTEGER := SIZEOF(control_points_list[1]) - 1;
w_upper : INTEGER := SIZEOF(control_points_list[1][1]) - 1;
control_points : ARRAY [0:u_upper] OF ARRAY [0:v_upper]
OF ARRAY [0:w_upper] OF cartesian_point
:= make_array_of_array_of_array
(control_points_list,0,u_upper,0,v_upper,0,w_upper );
WHERE
WRB17 : ('STRUCTURAL_FRAME_SCHEMA.BEZIER_VOLUME' IN TYPEOF(SELF)) OR
('STRUCTURAL_FRAME_SCHEMA.UNIFORM_VOLUME' IN TYPEOF(SELF)) OR
('STRUCTURAL_FRAME_SCHEMA.QUASI_UNIFORM_VOLUME' IN TYPEOF(SELF)) OR
('STRUCTURAL_FRAME_SCHEMA.B_SPLINE_VOLUME_WITH_KNOTS' IN TYPEOF(SELF)) ;
END_ENTITY; (* STEP Part 42 (new in 2nd edition) *)
Explicit Attributes
Entity b_spline_volume has the following local and inherited explicit attributes:
Attribute | Type | Defined By |
---|
name | label (STRING) | representation_item |
u_degree | INTEGER | b_spline_volume |
v_degree | INTEGER | b_spline_volume |
w_degree | INTEGER | b_spline_volume |
control_points_list | LIST OF LIST OF LIST OF cartesian_point (ENTITY) | b_spline_volume |
|
Derived Attributes
Entity b_spline_volume has the following local and inherited derived attributes:
Inverse Attributes
No Inverse AttributesSupertypes
Entity b_spline_volume inherits from the following supertypes:
representation_item
geometric_representation_item
volume
Subtypes
Entity b_spline_volume has the following subtypes:
b_spline_volume_with_knots*
bezier_volume*
quasi_uniform_volume*
rational_b_spline_volume*
uniform_volume*
* - Immediate Subtypes
Referenced By
Entity b_spline_volume and its supertypes are referenced by the following definitions:
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2023-03-25T00:11:38-04:00