POSC Specifications: Epicentre Version 3.0
Logical Data Model
ENTITY
GEOPHYSICAL_GEOMETRY_SEGMENT
SUBTYPE OF
(
earth_feature
);
begin_point :
OPTIONAL
geophysical_point
;
end_point :
OPTIONAL
geophysical_point
;
geometry_set :
geophysical_geometry_set
;
segment_length :
OPTIONAL
ndt_length
;
INVERSE
display :
SET [0:?] OF
geophysical_display
FOR
geometry_segment;
seismic_data_set :
SET [0:?] OF
seismic_data_set
FOR
geometry_segment;
UNIQUE
si:
earth_feature
.identifier, geometry_set;
END_ENTITY
; (* geophysical_geometry_segment *)
Generated on Tue Jul 10 19:37:58 2001
© Copyright 2001 POSC. All rights reserved.