POSC Specifications: Epicentre Version 3.0
Logical Data Model
ENTITY
PTY_NOMINAL_OFFSET
SUBTYPE OF
(
property
);
downline_far_offset :
OPTIONAL
ndt_length
;
downline_near_offset :
OPTIONAL
ndt_length
;
seismic_geometry_set :
OPTIONAL
seismic_geometry_set
;
upline_far_offset :
OPTIONAL
ndt_length
;
upline_near_offset :
OPTIONAL
ndt_length
;
UNIQUE
si: seismic_geometry_set,
process_data
.activity;
WHERE
val1: EXISTS(downline_far_offset) OR (EXISTS(downline_near_offset) OR (EXISTS(upline_far_offset) OR EXISTS(upline_near_offset)));
END_ENTITY
; (* pty_nominal_offset *)
Generated on Tue Jul 10 19:38:33 2001
© Copyright 2001 POSC. All rights reserved.