Concept
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- Preferred Labelskos:prefLabel
FT31
- URI
- https://standards.isotc211.org/19157/-3/1/dqc/content/formulaType/FT31 ↗Go to the persistent identifier link
- Within Vocab
- ISO19157-3 quality measures
| Definitionskos:definition | |
|---|---|
| has broaderbroader | MD31e The calculation of ei is given by MD28_1, MD28_2 and MD28_3 in one, two and three dimensions. A criterion for the establishing of correspondence should also be stated (e.g. allowing for correspondence… |
| Formula KeyformulaKey | For a number of points (N), the measured positions are given as as xmi , ymi and zmi coordinates depending on the dimension in which the position of the point is measured. A corresponding set of coordinates, xti , yti and zti are considered to represent the true positions. All positional uncertainties above a defined threshold are then counted as error. |
| LanguageformulaLanguage | https://standards.isotc211.org/19157/-3/1/dqc/content/formulaType/MathML |
| Lang. VersionformulaLanguageVersion | 1.0 |