POSC Specifications: Epicentre Version 3.0 Logical Data Model

VERTICAL_DATUM (Open) (C011, C055, C142)

(Rules) (Express)

A set of fundamental elevations to which other earth based elevations or depths are referenced. These fundamental elevations are determined for a country or continent through measurements in a network of reference benchmarks which are connected to sea level.


Local rules:

Supertype path(s):

Entity projects as table VERTICAL_DATUM.

Referenced in Diagrams:


Generated on Tue Jul 10 15:55:34 2001
© Copyright 2001 POSC. All rights reserved.