POSC Specifications Version 2.2
Epicentre Logical Data Model
ENTITY
SIMPLE_SPATIAL_OBJECT
ABSTRACT SUPERTYPE OF
(
ONEOF
(
edge
,
face
,
region
,
ring
,
shell
,
vertex
))
SUBTYPE OF
(
spatial_object
);
END_ENTITY
; (* simple_spatial_object *)
Generated on Tue Dec 9 09:50:43 1997
© Copyright 1997 POSC. All rights reserved.