Class Name: Bounding Volume

Superclass - Volume

Definition

A volume that encompasses the Aggregate Geometry of which it is a component.

Primary Page in DRM Diagram:

• 23

Secondary Pages in DRM Diagram:

• 4

Example

1. The rectangular Bounding Volume of a house that is used to show the maximum extents of the house in three dimensions. This may be used to calculate first level ray-volume intersections.

FAQs

Can an Aggregate Geometry's Bounding Volume and Collision Volume be the same?

Yes.

Is the Bounding Volume the convex hull of the Aggregate Geometry?

Not necessarily. The convex hull could be considerably more complex than the Volume Extent (see).

Does the Bounding Volume exactly contain the Aggregate Geometry?

In special cases, the Bounding Volume may fail to contain all of the geometry due to 'warping' introduced by coordinate conversion or transformation.

Constraints

Composed of (one-way)(inherited)

• one Location 3D (notes)
• one Volume Extent (notes)
• optionally, a World Transformation (notes)

Component of (one-way)

• one Aggregate Geometry

Notes

Composed of Notes

Location_3D

 volume center

Volume_Extent

 volume shape

World_Transformation

 To locate and orient the volume within the currently scoped 'world'
 spatial reference frame