ISO TC 211 Geographic information/Geomatics

ISO/TC 211 Geolexica

Concept “reference ellipsoid”

Term ID

2405

source

ISO 19111:2019, (E), 3.1.22

eng

ellipsoid <geodesy>

geometric reference surface embedded in 3D Euclidean space formed by an ellipse that is rotated about a main axis

Note to entry: For the Earth the ellipsoid is bi-axial with rotation about the polar axis. This results in an oblate ellipsoid with the midpoint of the foci located at the nominal centre of the Earth.

ORIGIN: ISO/TC 211 Glossary of Terms - English (last updated: 2020-06-02)

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info

• status: valid
• date accepted: 2019-01-31

Review

last review performed:
(2019-01-31)
status:
final
decision:
accepted
decision event:
Normal ISO processing
notes:
Publication of document ISO 19111:2019(E)