POSC Specifications: Epicentre Version 3.0
Logical Data Model
ENTITY
COORDINATE_SYSTEM_AXIS
(* Open *)
SUBTYPE OF
(
association_reference
);
abbreviation :
ndt_short_name
;
axis_order :
ndt_pint1
;
constrained_to_unit :
OPTIONAL
ref_unit_of_measure
;
coordinate_system :
simple_coordinate_system
;
property_kind :
property_kind
;
ref_axis_orientation :
OPTIONAL
ref_axis_orientation
;
UNIQUE
si: coordinate_system, property_kind;
WHERE
val: axis_order > 0;
END_ENTITY
; (* coordinate_system_axis *)
Generated on Tue Jul 10 19:37:40 2001
© Copyright 2001 POSC. All rights reserved.