POSC Specifications: Epicentre Version 3.0
Logical Data Model
ENTITY
GEOMETRICAL_RELATIONSHIP
SUBTYPE OF
(
transient_association
);
maximum_distance :
OPTIONAL
ndt_length
;
minimum_distance :
OPTIONAL
ndt_length
;
nominal_distance :
OPTIONAL
ndt_length
;
primary_spatial_object :
spatial_object
;
relationship_type :
ref_geometrical_relationship
;
secondary_spatial_object :
spatial_object
;
INVERSE
pty_fault_separation :
SET [0:?] OF
pty_fault_separation
FOR
geometrical_relationship;
pty_fault_slip :
SET [0:?] OF
pty_fault_slip
FOR
geometrical_relationship;
pty_fault_slip_variable :
SET [0:?] OF
pty_fault_slip_variable
FOR
geometrical_relationship;
UNIQUE
si:
transient_association
.start_time,
transient_association
.end_time, primary_spatial_object, secondary_spatial_object, relationship_type;
END_ENTITY
; (* geometrical_relationship *)
Generated on Tue Jul 10 19:37:57 2001
© Copyright 2001 POSC. All rights reserved.