Concept
Alternate Profiles
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- Preferred Labelskos:prefLabel
50 - uncertainty ellipse
- URI
- https://standards.isotc211.org/19157/-3/1/dqc/content/qualityMeasure/50 ↗Go to the persistent identifier link
- Within Vocab
- ISO19157-3 quality measures
| Definitionskos:definition | 2D ellipse with the two main axes indicating the direction and magnitude of the highest and the lowest uncertainty of a 2D point. |
|---|---|
| has broaderbroader | Positional Accuracy |
| has narrowernarrower | MD50 Calculation of uncertainty ellipse parameters by eigenvalues from a given covariance matrix (https://standards.isotc211.org/19157/-1/1/dqc/content/qualityMeasure/32) of 2D point coordinates. |
| titletitle | uncertainty ellipse |
| Statusstatus | valid |
| VersionhasVersion | 1.0 |
| alternative labelaltLabel | standard point error ellipse |
| Datedate | 2024-11-14 14:55:50.320 |
| Value DatatypevalueType | Real |
| Element NameelementName | absolute or external accuracy |
| Value StructurevalueStructure | Sequence formula (a, b, φ) |
| DescriptionmeasureDescription | MD50 |
| Measure IDmeasureID | 50 |