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faceted_primitive

EXPRESS specification:

ENTITY faceted_primitive
SUPERTYPE OF (ONEOF(tetrahedron, convex_hexahedron))
SUBTYPE OF ( geometric_representation_item);
points  :  LIST [4:?] OF cartesian_point;
WHERE
WRF31  :  points[1].dim = 3 ;
END_ENTITY;

References (4):

Name Type Referred through Express-G
convex_hexahedron Entity
Supertype
No Diagram
csg_primitive Select
Select relation
No Diagram
geometric_representation_item Entity
Subtype
No Diagram
tetrahedron Entity
Supertype
No Diagram

Inheritance graph

ENTITY faceted_primitive;
ENTITY representation_item;
name  :  label;
ENTITY geometric_representation_item;
DERIVE
dim  :  dimension_count :=  dimension_of(SELF);
ENTITY faceted_primitive;
points  :  LIST [4:?] OF cartesian_point;
END_ENTITY;