The SEDRIS Data Representation Model
APPENDIX A - Classes
Location
Abstract Class Name: Location
Superclass -
<SEDRIS Abstract Base>
Subclasses
<Location 2D>
<Location 3D>
Definition
Linear or angular quantities that designate the position of a point in a spatial reference frame.
Primary Page in DRM Diagram:
15
Secondary Pages in DRM Diagram:
1
4
5
6
7
8
9
10
11
12
18
20
22
Example
A tree is instanced as a
<Point Feature>
. The
<Point Feature's>
<Feature Node>
shall have a
<Location>
giving the position in space where the tree will be placed.
Constraints
<<Environment Root Spatial Reference Frame>>
<<Image Anchor Spatial Reference Frame>>
<<Model Spatial Reference Frame>>
Component of (two-way)
zero or more
<Arc>
instances
zero or more
<Base Reference Vector>
instances
zero or more
<Directional Light Behaviour>
instances
zero or one
<Distance Level Of Detail Data>
instance
zero or more
<Ellipse>
instances
zero or more
<Elliptic Cylinder>
instances
zero or more
<Feature Edge>
instances
zero or one
<Feature Node>
instance
zero or more
<Image Anchor>
instances
zero or more
<Label>
instances
zero or one
<Location Table>
instance
zero or more
<Morph Point>
instances
zero or more
<Perimeter Data>
instances
zero or more
<Point Geometry>
instances
zero or more
<Property Grid Hook Point>
instances
zero or one
<Reference Origin>
instance
zero or more
<Spatial Domain>
instances
zero or more
<Spatial Index Related Feature Topology>
instances
zero or more
<Spatial Index Related Features>
instances
zero or more
<Spatial Index Related Geometry>
instances
zero or more
<Spatial Index Related Geometry Topology>
instances
zero or more
<Tack Point>
instances
zero or more
<Vertex>
instances
zero or more
<Vertex With Component Indices>
instances
zero or more
<World 3x3>
instances
zero or more
<World Transformation>
instances
Inherited Field Elements
This class has no inherited field elements.
Prev:
Local 4x4
.
Next:
Location 2D
.
Up:
Index
.
Last updated: October 1, 2002
Copyright © 2002 SEDRIS