POSC Specifications: Epicentre Version 3.0
Logical Data Model
ENTITY
PTY_GEOMETRY_SIMPLE_1D_EDGE
SUBTYPE OF
(
pty_geometry_1d_edge
);
coordinate_system :
coordinate_system
;
maximum_point :
ndt_length_midrange
;
minimum_point :
ndt_length_midrange
;
vertex :
OPTIONAL
vertex
;
UNIQUE
si:
pty_geometry_1d_edge
.edge,
pty_geometry_1d_edge
.geophysical_data_set,
process_data
.activity;
END_ENTITY
; (* pty_geometry_simple_1d_edge *)
Generated on Tue Jul 10 19:38:28 2001
© Copyright 2001 POSC. All rights reserved.