ISO 10303-214:2010(E)
A Face_bound is a loop object defining the boundary of a Face.
The data associated with a Face_bound are the following:
The loop specifies an Edge_loop or a Vertex_loop representing a boundary of a Face.
See face_bound to edge_loop and face_bound to vertex_loop for the application assertions.
There shall be exactly one object that defines the loop for a Face_bound.
The outer specifies whether the loop defines the outer boundary of the Face or not.
© ISO 2010 — All rights reserved