Table 6.195—DRM_Perimeter_Related_Geometry_Topology

Property

Description

Superclass

· <DRM Geometry Topology Hierarchy>

Class

· <DRM Perimeter Related Geometry Topology>

Subclass

· none

Definition

An object of this DRM class specifies a <DRM Geometry Topology Hierarchy> that spatially organizes its components into a collection of (potentially) irregularly shaped regions, each defined by a <DRM Perimeter Data> object.

Example(s)

· A map of the United States showing state boundaries.

Inherited field elements

field_name	range	Field_Data_Type
geometry_topology_level		Geometry_Topology_Level

Field elements

field_name	range	Field_Data_Type
none

Associated to (one-way) (inherited)

· none

Associated to (one-way)

· none

Associated by (one-way) (inherited)

· none

Associated by (one-way)

· none

Associated with (two-way) (inherited)

· none

Associated with (two-way)

· none

Composed of (two-way) (inherited)

· none

Composed of (two-way)

· one or more <DRM Union Of Geometry Topology> through <DRM Perimeter Data>

Composed of (two-way metadata) (inherited)

· none

Composed of (two-way metadata)

· none

Component of (two-way) (inherited)

· zero or more <DRM Aggregate Geometry>s

Component of (two-way)

· none

Constraints

· Distinct link objects

· Perimeter related organizing principle

Notes

none

Class diagram

<DRM Perimeter Related Geometry Topology>