POSC Specifications Version 2.2
Epicentre Logical Data Model
ENTITY
PTY_LOCATION_ACCURACY
SUBTYPE OF
(
property
);
error_length :
OPTIONAL
ndt_length
;
pty_location :
OPTIONAL
pty_location
;
uncertainty_ellipsoid :
OPTIONAL
ndt_point_geometry_uncertainty
;
UNIQUE
si: pty_location,
property
.other_spatial_object,
process_data
.activity;
WHERE
mse99: EXISTS(error_length) XOR EXISTS(uncertainty_ellipsoid);
END_ENTITY
; (* pty_location_accuracy *)
Generated on Tue Dec 9 09:49:51 1997
© Copyright 1997 POSC. All rights reserved.