quasi_uniform_surface
EXPRESS specification:
ENTITY
quasi_uniform_surface
SUBTYPE
OF
(
b_spline_surface
);
END_ENTITY
;
References (1):
Name
Type
Referred through
Express-G
b_spline_surface
Entity
Subtype
No Diagram
Inheritance graph
ENTITY
quasi_uniform_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);
ENTITY
quasi_uniform_surface
;
END_ENTITY
;