POSC Specifications: Epicentre Version 3.0
Logical Data Model
ENTITY
GEOPHYSICAL_POINT
ABSTRACT SUPERTYPE OF
(
ONEOF
(
geophysical_acquisition_point
,
geophysical_processing_point
))
SUBTYPE OF
(
earth_feature
);
INVERSE
end_of_segment :
SET [0:?] OF
geophysical_geometry_segment
FOR
end_point;
start_of_segment :
SET [0:?] OF
geophysical_geometry_segment
FOR
begin_point;
END_ENTITY
; (* geophysical_point *)
Generated on Tue Jul 10 19:37:58 2001
© Copyright 2001 POSC. All rights reserved.