POSC Specifications Version 2.2
Epicentre Logical Data Model
ENTITY
SPATIAL_OBJECT
ABSTRACT SUPERTYPE OF
(
ONEOF
(
simple_spatial_object
,
composite_spatial_object
))
SUBTYPE OF
(
topological_object
);
INVERSE
earth_model :
SET [0:?] OF
earth_model
FOR
spatial_object;
other_composite_spatial_object :
SET [0:?] OF
other_composite_spatial_object
FOR
composite_object;
END_ENTITY
; (* spatial_object *)
Generated on Tue Dec 9 09:50:44 1997
© Copyright 1997 POSC. All rights reserved.