b_spline_surface

EXPRESS specification:

ENTITY b_spline_surface
SUPERTYPE OF | (ONEOF(b_spline_surface_with_knots, uniform_surface, quasi_uniform_surface, bezier_surface) ANDOR rational_b_spline_surface)
SUBTYPE OF ( | bounded_surface);
u_degree | : | INTEGER;
v_degree | : | INTEGER;
control_points_list | : | LIST [2:?] OF LIST [2:?] OF cartesian_point;
surface_form | : | b_spline_surface_form;
u_closed | : | LOGICAL;
v_closed | : | LOGICAL;
self_intersect | : | LOGICAL;
DERIVE
u_upper | : | INTEGER := SIZEOF(control_points_list) - 1;
v_upper | : | INTEGER := SIZEOF(control_points_list[1]) - 1;
control_points | : | ARRAY [0:100] OF ARRAY [0:100] OF cartesian_point := make_array_of_array (control_points_list, 0, u_upper, 0, v_upper);
WHERE
WRB4 | : | ('STRUCTURAL_FRAME_SCHEMA.UNIFORM_SURFACE' IN TYPEOF(SELF)) OR ('STRUCTURAL_FRAME_SCHEMA.QUASI_UNIFORM_SURFACE' IN TYPEOF(SELF)) OR ('STRUCTURAL_FRAME_SCHEMA.BEZIER_SURFACE' IN TYPEOF(SELF)) OR ('STRUCTURAL_FRAME_SCHEMA.B_SPLINE_SURFACE_WITH_KNOTS' IN TYPEOF(SELF));
END_ENTITY;

References (6):

Name | Type | Referred through | Express-G
b_spline_surface_with_knots | Entity |
Supertype
| No Diagram
bezier_surface | Entity |
Supertype
| No Diagram
bounded_surface | Entity |
Subtype
| No Diagram
quasi_uniform_surface | Entity |
Supertype
| No Diagram
rational_b_spline_surface | Entity |
Supertype
| No Diagram
uniform_surface | Entity |
Supertype
| No Diagram

Inheritance graph

ENTITY b_spline_surface;
ENTITY representation_item;
name | : | label;
ENTITY geometric_representation_item;
DERIVE
dim | : | dimension_count := dimension_of(SELF);
ENTITY surface;
ENTITY bounded_surface;
ENTITY b_spline_surface;
u_degree | : | INTEGER;
v_degree | : | INTEGER;
control_points_list | : | LIST [2:?] OF LIST [2:?] OF cartesian_point;
surface_form | : | b_spline_surface_form;
u_closed | : | LOGICAL;
v_closed | : | LOGICAL;
self_intersect | : | LOGICAL;
DERIVE
u_upper | : | INTEGER := SIZEOF(control_points_list) - 1;
v_upper | : | INTEGER := SIZEOF(control_points_list[1]) - 1;
control_points | : | ARRAY [0:100] OF ARRAY [0:100] OF cartesian_point := make_array_of_array (control_points_list, 0, u_upper, 0, v_upper);
END_ENTITY;