english:glossary:lambert93
Différences
Ci-dessous, les différences entre deux révisions de la page.
Prochaine révision | Révision précédente | ||
english:glossary:lambert93 [//01/11/2018 11:29//] – créée blard | english:glossary:lambert93 [//26/11/2018 18:52//] (Version actuelle) – joliveau | ||
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Ligne 3: | Ligne 3: | ||
The increasing importance of GPS system and the necessity of geographic coordinates to be more and more precise has result in changing the geodesic system ([[glossaire: | The increasing importance of GPS system and the necessity of geographic coordinates to be more and more precise has result in changing the geodesic system ([[glossaire: | ||
Some features: | Some features: | ||
- | Reference of the ellipsoid = IAG GRS 1980 | + | * Reference of the [[english: |
- | Original | + | |
- | Deformation compared to Mondial system: | + | |
- | Horizontal between 1 and 2 cm | + | |
- | Vertical between 2 and 5 cm | + | |
What’s more this geodesic system is compatible with the European one (ETRS89). | What’s more this geodesic system is compatible with the European one (ETRS89). | ||
- | To win in topometric precision | + | To decrease [[english: |
- | \\ [[glossaire: | + | \\ [[glossaire: |
english/glossary/lambert93.1541068170.txt.gz · Dernière modification : //01/11/2018 11:29// de blard