The SEDRIS Data Representation Model
APPENDIX A - Classes
Volume Extent

Abstract Class Name: Volume Extent

Superclass - <SEDRIS Abstract Base>

Subclasses

Definition

An instance of this DRM class specifies the spatial extent of a volume.

Primary Page in DRM Diagram:

Secondary Pages in DRM Diagram:

Example

See concrete subclasses for examples.

FAQs

Why don't <Volume Extent>'s subclasses specify location data?

A <Location> instance is provided by the aggregating object. This allows a single <Volume Extent> instance to be used in several locations.

Constraints

Component of (two-way)

Inherited Field Elements

This class has no inherited field elements.
Prev: Vertex. Next: Volume Geometry. Up:Index.

Last updated: July 26, 2006 Copyright © 2006 SEDRIS