GeographicExtent — DDI 4.0 dev documentation

# GeographicExtent

## Extends

AnnotatedIdentifiable

## Definition

Defines the extent of a geographic unit for a specified period of time using Bounding Box, Inclusive and Exclusive Polygons, and an area coverage that notes a type of coverage (land, water, etc.) and measurement for the coverage. The same geographic extent may be used by multiple versions of a single geographic version or by different geographic units occupying the same spatial area.

## Synonyms

## Explanatory notes

Clarifies the source of a change in terms of footprint of an area as opposed to a name or coding change.

Classes

- GeographicExtent - Examples
- GeographicExtent - Properties and Relationships
  - Properties
  - Relationships
- GeographicExtent - DDI 3.2 mapping
- GeographicExtent - RDF mapping
- GeographicExtent - GSIM mapping
- GeographicExtent - Graph