POSC Specifications: Epicentre Version 3.0
Logical Data Model
ENTITY
PTY_SENSOR_CALIBRATION
SUBTYPE OF
(
pty_transient_property
);
fixed_addition :
OPTIONAL
ndt_any_quantity
;
position_sensor_facility :
OPTIONAL
position_sensor_facility
;
scale_factor :
OPTIONAL
ndt_any_quantity
;
time_bias :
OPTIONAL
ndt_time
;
variable_addition :
OPTIONAL
ndt_any_quantity
;
UNIQUE
si:
pty_transient_property
.end_time,
pty_transient_property
.ref_transient_period,
pty_transient_property
.start_time, position_sensor_facility,
process_data
.activity;
WHERE
val90: (EXISTS(scale_factor) XOR (EXISTS(fixed_addition) OR EXISTS(variable_addition))) OR (NOT (EXISTS(scale_factor) OR (EXISTS(fixed_addition) OR EXISTS(variable_addition))));
END_ENTITY
; (* pty_sensor_calibration *)
Generated on Tue Jul 10 19:38:39 2001
© Copyright 2001 POSC. All rights reserved.