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oriented_face

EXPRESS specification:

ENTITY oriented_face
SUBTYPE OF ( face);
face_element  :  face;
orientation  :  BOOLEAN;
DERIVE
SELF\face.bounds  :  SET [1:?] OF face_bound :=  conditional_reverse
(SELF.orientation,SELF.face_element.bounds);
WHERE
WRO7  :  NOT ('STRUCTURAL_FRAME_SCHEMA.ORIENTED_FACE' IN TYPEOF (SELF.face_element));
END_ENTITY;

References (1):

Name Type Referred through Express-G
face Entity
Subtype
No Diagram

Inheritance graph

ENTITY oriented_face;
ENTITY representation_item;
name  :  label;
ENTITY topological_representation_item;
ENTITY face;
ENTITY oriented_face;
face_element  :  face;
orientation  :  BOOLEAN;
DERIVE
bounds  :  SET [1:?] OF face_bound :=  conditional_reverse
(SELF.orientation,SELF.face_element.bounds);
END_ENTITY;