POSC Specifications: Epicentre Version 3.0
Logical Data Model
ENTITY
SINGLE_TRANSFORMATION
(* Open *)
SUBTYPE OF
(
geodetic_transformation
);
transformation_method :
transformation_method
;
INVERSE
transformation_path :
SET [0:?] OF
transformation_path
FOR
single_transformation;
WHERE
sri: SIZEOF(QUERY ( ctv <* parameter_value | (ctv.parameter_usage.transformation_method :<>: SELF.transformation_method) )) = 0;
END_ENTITY
; (* single_transformation *)
Generated on Tue Jul 10 19:39:08 2001
© Copyright 2001 POSC. All rights reserved.