Home › attribute › ava
Absolute Vertical Accuracy (90%) (AVA)
DGIF baseline 2026-1, the latest. Earlier baselines: timemap.
RDF: ava.ttl
- Name
absoluteVertAccuracy90- Datatype
- Real
- Definition
- The difference between the recorded elevation of a feature and its true elevation referenced to the same vertical datum expressed as a linear error at 90 percent probability.
- Description
- It may also be applied to a data set. If the data contains multiple accuracies, usually the worst accuracy which applies to 10% or more of the data is recorded.
- Accepted
- 2013-10-18
- Defined by
- DFDD
- Physical quantity
- length
- Recommended unit
- Metre (m)
- Used by
- ZI011 Vertical Coordinate Metadata
Source: DGIF 2026-1 QEA model, DGIWG. Standard: DGIWG 206-3. Licence: CC BY 4.0, © DGIWG.