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Horizontal Accuracy Category (ACC)

DGIF baseline 2026-1, the latest. Earlier baselines: timemap.

RDF: acc.ttl

Name

horizAccuracyCategory

Datatype

Enumeration

Definition

A general evaluation of the horizontal accuracy of the geographic position of a feature, as a category.

Accepted

2013-10-18

Defined by

DFDD

Values

• ACC_1 Accurate
• ACC_2 Approximate
• ACC_3 Doubtful
• ACC_7 Precise

Used by

• ZI010 Horizontal Coordinate Metadata

Source: DGIF 2026-1 QEA model, DGIWG. Standard: DGIWG 206-3. Licence: CC BY 4.0, © DGIWG.