Class

• <DRM Geometry Volume>

Superclass

• <DRM Geometry Topology>

Subclass

• None.

Definition

An instance of this DRM class is a three-dimensional <DRM Geometry Topology> instance used to represent an enclosed region of space that is bounded by four or more <DRM Geometry Face> instances.

Class diagram

Figure 6.116 — DRM_Geometry_Volume

Constraints

• Constraints on associates
• Contained edge constraints
• Contained node constraints
• Faces bordering volumes
• Publishable object

Example(s)

• Consider a <DRM Polyhedron> instance representing a building. It has:

  1. a collection of <DRM Polygon> instances that define its geometric shape;
  2. an associated <DRM Geometry Volume> instance that defines its topological relationships;
  3. a <DRM Classification Data> component that classifies it as an ECC_BUILDING;
  4. <DRM Property Value> components that describe its characteristics, such as material composition, and
  5. a <DRM Label> instance that identifies it as “The Empire State Building”.