The SEDRIS Data Representation Model
APPENDIX A - Classes
Feature Model

Class Name: Feature Model

Superclass - <SEDRIS Abstract Base>

Subclasses

This DRM class is concrete and has no subclasses.

Definition

An instance of this DRM class specifies a reusable representation of the feature aspects of an environmental object represented by its <Model> aggregate.

Primary Page in DRM Diagram:

Secondary Pages in DRM Diagram:

Example

  1. The <Feature Model> instance represents a segment of railroad track, with <Property Value> instances describing its mobility and material properties.

FAQs

Where can users find further information on feature topology in the DRM?

See P4V4 of the SEDRIS Documentation Set for further information.

Constraints

Associated by (one-way)

Composed of (two-way)

Composed of (two-way metadata)

Component of (two-way)

Inherited Field Elements

This class has no inherited field elements.

Notes

Composed of Notes


Feature_Hierarchy

The <Feature Hierarchy> component is actually required unless an empty <Model> instance is being created (see <<Non Empty Model Instance>>).


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Last updated: July 26, 2006 Copyright © 2006 SEDRIS