POSC Specifications Version 2.2

Epicentre Logical Data Model

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ENTITY PRIME_MERIDIAN (* Open *)

SUBTYPE OF (technical_object, reference_behavior);

description : OPTIONAL ndt_comment;
effective_date : OPTIONAL ndt_date;
greenwich_longitude : ndt_earth_angle;
identifier : ndt_name;

INVERSE

geographic_coordinate_system : SET [0:?] OF geographic_coordinate_system FOR prime_meridian;

UNIQUE

si: identifier;

END_ENTITY; (* prime_meridian *)

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Generated on Tue Dec 9 09:49:28 1997
© Copyright 1997 POSC. All rights reserved.