english:glossary:datum
Différences
Ci-dessous, les différences entre deux révisions de la page.
Prochaine révision | Révision précédente | ||
english:glossary:datum [//24/10/2018 13:09//] – créée thomas | english:glossary:datum [//27/11/2018 10:44//] (Version actuelle) – thomas | ||
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===Geodetic datum=== | ===Geodetic datum=== | ||
- | A geodetic system, or geodetic datum, is "a modelling of the Earth to express geographical coordinates." | + | A geodetic system, or geodetic datum, is "a modelling of the Earth to express geographical coordinates." |
+ | |||
+ | It makes it possible to harmonize the information planned by a geocentric | ||
+ | The world geodetic system | ||
+ | The current French geodetic system is the RGF 93 with IAG GGRS 80 as reference ellipsoid. Historically, | ||
(Source Wiki Georezo) | (Source Wiki Georezo) | ||
- | \\ See : [[english: | + | \\ See : [[english: |
english/glossary/datum.1540379357.txt.gz · Dernière modification : //24/10/2018 13:09// de thomas