POSC Specifications: Epicentre Version 3.0
Logical Data Model
ENTITY
GEOPHYSICAL_GEOM_DERIVATION
SUBTYPE OF
(
association
);
derived_from :
geophysical_geometry_set
;
used_by :
geophysical_geometry_set
;
UNIQUE
si: derived_from, used_by;
END_ENTITY
; (* geophysical_geom_derivation *)
Generated on Tue Jul 10 19:37:58 2001
© Copyright 2001 POSC. All rights reserved.