The SEDRIS Data Representation Model
APPENDIX A - Classes
Tack Point

Class Name: Tack Point

Superclass - <SEDRIS Abstract Base>

Subclasses

This DRM class is concrete and has no subclasses.

Definition

A point corresponding to a fixed position on an image. A <Tack Point> 'tacks' the image specified coordinate to a given location on a <Primitive Geometry> instance.

Primary Page in DRM Diagram:

Secondary Pages in DRM Diagram:

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

Example

  1. Centre of a <Polygon> that is used as a corner of an <Image>.

FAQs

No FAQs supplied.

Constraints

None.

Composed of (two-way)

Component of (two-way)

Inherited Field Elements

This class has no inherited field elements.
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Last updated: October 1, 2002 Copyright © 2002 SEDRIS™