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primitive_2d

EXPRESS specification:

ENTITY primitive_2d
SUPERTYPE OF (ONEOF(circular_area, elliptic_area, rectangular_area, polygonal_area))
SUBTYPE OF ( geometric_representation_item);
WHERE
WR1  :  SELF\geometric_representation_item.dim = 2;
END_ENTITY;

References (6):

Name Type Referred through Express-G
circular_area Entity
Supertype
No Diagram
csg_primitive Select
Select relation
No Diagram
elliptic_area Entity
Supertype
No Diagram
geometric_representation_item Entity
Subtype
No Diagram
polygonal_area Entity
Supertype
No Diagram
rectangular_area Entity
Supertype
No Diagram

Inheritance graph

ENTITY primitive_2d;
ENTITY representation_item;
name  :  label;
ENTITY geometric_representation_item;
DERIVE
dim  :  dimension_count :=  dimension_of(SELF);
ENTITY primitive_2d;
END_ENTITY;