The SEDRIS Data Representation Model
APPENDIX A - Classes
Base Vertex
|
Abstract Class Name: Base Vertex
Subclasses
Definition
An instance of one of the concrete subclasses of this DRM class
specifies a point where two sides of a <Polygon>
intersect, or any end of a line segment, such as those implicitly
specified by a <Finite Element Mesh>.
Primary Page in DRM Diagram:
Secondary Pages in DRM Diagram:
Example
See specific subclasses for examples.
FAQs
- Why doesn't <Base Vertex> have a
<Location> component?
- Because while the <Vertex> subclass requires
a <Location>, the
<Location> is optional for
<Vertex With Component Indices>,
which has the option of using its location_index field
to select a location from a <Location Table>.
Constraints
Associated with (two-way)
Composed of (two-way)
Component of (two-way)
Inherited Field Elements
This class has no inherited field elements.
Prev: Base Time Data.
Next: Blend Directional Light.
Up:Index.
Last updated: October 1, 2002
|
Copyright © 2002 SEDRIS
|
|