Tack Point

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

An instance of this DRM class specifies 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

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

FAQs

No FAQs supplied.

Constraints

<<Publishable Object>>

Composed of (two-way)

one <Location> instance
one or more {ordered} <Texture Coordinate> instances

Component of (two-way)

one <Primitive Geometry> instance

Inherited Field Elements

This class has no inherited field elements.

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Last updated: July 16, 2004