POSC Specifications: Epicentre Version 3.0 Logical Data Model

NDT_DE9IM (C004, C151, C152)

(Express)

A variation of the OpenGis specification for the Dimensionally Extended Nine-Intersection Model (DE-9IM). Each character in the string represents the maximum dimension (D, 0, 1, 2 or 3) of the intersection of the primary and secondary objects where "D" indicates disjoint, "0" indicates a point, "1" indicates a line, "2" indicates a surface and "3" indicates a volume. The characters are in the order of: PI-SI, PI-SB, PI-SE, PB-SI, PB-SB, PB-SE, PE-SI, PE-SB, PE-SE. Where P=Primary_object, S=Secondary_object, I=Interior, B=Boundary, E=exterior.

Epicentre data type: string

Maximum number of characters: 9

Length type: 9

Referenced by:

EntityAttribute
topological_relationshipde9im

Generated on Tue Jul 10 15:57:10 2001
© Copyright 2001 POSC. All rights reserved.