Abstract Class Name: Geometry

Superclass - SEDRIS Abstract Base

Subclasses

• Geometry Hierarchy
• Primitive Geometry

Definition

A very abstract class, encapsulating both the concepts of traditional geometry as well as other classes containing measured data and organizational methods used to organize these traditional geometry and other 'real' data classes within a transmittal.

Primary Page in DRM Diagram:

• 3

Secondary Pages in DRM Diagram:

• 5
• 14

Example

1. A Geometry Model Instance of a polygonal Model of a helicopter.
2. A collection of polygons making up the graphical representation of a forest canopy.
3. A Property Grid Hook Point, connecting a Property Grid of terrain elevation data from DTED to the geometry of an Environment Root.

Constraints

• No Attribute Conflicts
• Non Crossing Aggregations
• Non Cyclic Aggregations
• Precedence of Attribute Set Index

Composed of (one-way)

• optionally, some {ordered} Attribute Set Indices
• optionally, a Classification Data
• optionally, some Property Tables
• optionally, some Property Table References
• optionally, some Property Values

Composed of (one-way metadata)

• optionally, a Time Constraints Data