POSC Specifications: Epicentre Version 3.0
Logical Data Model
ENTITY
REGION
SUBTYPE OF
(
spatial_object
);
INVERSE
pty_geometry_3d_region :
SET [0:?] OF
pty_geometry_3d_region
FOR
region;
pty_geom_ring_depth_interval :
SET [0:?] OF
pty_geom_ring_depth_interval
FOR
region;
pty_volume :
SET [0:?] OF
pty_volume
FOR
region;
shell_region_binding :
SET [0:?] OF
shell_region_binding
FOR
region;
UNIQUE
si:
spatial_object
.identifier,
spatial_object
.located_object,
spatial_object
.identifying_whole,
spatial_object
.creating_activity,
spatial_object
.located_activity;
END_ENTITY
; (* region *)
Generated on Tue Jul 10 19:38:57 2001
© Copyright 2001 POSC. All rights reserved.