POSC Specifications: Epicentre Version 3.0
Logical Data Model
ENTITY
VERTICAL_COORDINATE_SYSTEM
(* Open *)
SUBTYPE OF
(
geodetic_coordinate_system
);
vertical_datum :
vertical_datum
;
WHERE
val1: SIZEOF(coordinate_system_axis) = 1;
val2: SIZEOF(QUERY ( csa <* coordinate_system_axis | (csa.axis_order = 1) )) = 1;
END_ENTITY
; (* vertical_coordinate_system *)
Generated on Tue Jul 10 19:39:16 2001
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