The SEDRIS Data Representation Model
APPENDIX A - Classes
Proximity Data

Class Name: Proximity Data

Superclass - <Base Spatial Association Data>

Subclasses

This DRM class is concrete and has no subclasses.

Definition

An instance of this DRM class specifies the semantic meaning of the association relationship with which it is bound, which will represent a spatial relationship.

Primary Page in DRM Diagram:

Secondary Pages in DRM Diagram:

This class appears on only one page of the DRM class diagram.

Example

No Example supplied.

FAQs

No FAQs supplied.

Constraints

Inherited Field Elements

SE_Spatial_Association_Meaning_Type meaning; (notes)

Field Elements

SE_Long_Float distance; (notes)

Notes

Fields Notes


meaning

 The meaning field specifies the semantic meaning of the association
 relationship with which the given instance of
 <Base Spatial Association Data> is bound.

distance

 The value of the distance field, which is measured in metres,
 represents the shortest distance between any two points of thing1
 and thing2, where thing1 and thing2 are the environmental objects
 represented by the SEDRIS object instances for which a relationship
 is being represented by the given instance of <Proximity Data>.
Prev: Property Value. Next: PS Augmented 3D Location. Up:Index.

Last updated: July 16, 2004 Copyright © 2004 SEDRIS™