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.