POSC Specifications: Epicentre Version 3.0
Logical Data Model
ENTITY
GEOGRAPHIC_2D_COORD_SYSTEM
(* Open *)
SUBTYPE OF
(
geodetic_coordinate_system
);
geodetic_datum :
geodetic_datum
;
INVERSE
geographic_3d_coord_system :
SET [0:1] OF
geographic_3d_coord_system
FOR
geographic_2d_coord_system;
projected_coordinate_system :
SET [0:?] OF
projected_2d_coordinate_system
FOR
source_geodetic_system;
WHERE
val1: SIZEOF(coordinate_system_axis) = 2;
val2: (SIZEOF(QUERY ( csa <* coordinate_system_axis | (csa.axis_order = 1) )) = 1) AND (SIZEOF(QUERY ( csa <* coordinate_system_axis | (csa.axis_order = 2) )) = 1);
END_ENTITY
; (* geographic_2d_coord_system *)
Generated on Tue Jul 10 19:37:55 2001
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