POSC Specifications: Epicentre Version 3.0
Logical Data Model
ENTITY
PRIME_MERIDIAN
(* Open *)
SUBTYPE OF
(
aliasable_technical_reference
);
greenwich_longitude :
ndt_earth_angle
;
INVERSE
geodetic_datum :
SET [0:?] OF
geodetic_datum
FOR
prime_meridian;
UNIQUE
si:
technical_reference
.identifier;
END_ENTITY
; (* prime_meridian *)
Generated on Tue Jul 10 19:38:13 2001
© Copyright 2001 POSC. All rights reserved.