POSC Specifications: Epicentre Version 3.0
Logical Data Model
ENTITY
GRAPHICAL_ELEMENT
ABSTRACT SUPERTYPE OF
(
ONEOF
(
area_element
,
composite_graphical_element
,
dynamic_graphical_element
,
line_element
,
point_element
,
ring_element
))
SUBTYPE OF
(
technical_object
);
cell :
OPTIONAL
cell
;
depicted_object :
OPTIONAL
e_and_p_data
;
graphical_element_component :
OPTIONAL
composite_graphical_element
;
identifier :
ndt_identifier
;
INVERSE
document_graphical_content :
SET [0:?] OF
document_graphical_content
FOR
graphical_representation;
WHERE
dri: NOT (SELF :=: depicted_object);
END_ENTITY
; (* graphical_element *)
Generated on Tue Jul 10 19:37:59 2001
© Copyright 2001 POSC. All rights reserved.