EPSG:32250 WGS 72 / UTM zone 50N
Système projeté (Transverse Mercator) en usage : World - N hemisphere - 114°E to 120°E. La définition complète ci-dessous, et la conversion en un clic.
| Code | EPSG:32250 |
|---|---|
| Nom | WGS 72 / UTM zone 50N |
| Type | Système projeté — Transverse Mercator |
| Zone d'usage |
World - N hemisphere - 114°E to 120°E Between 114°E and 120°E, northern hemisphere between equator and 84°N, onshore and offshore. |
| Emprise | O 114,00° · S 0,00° · E 120,00° · N 84,00° |
| Pays | Monde |
| Datum | World Geodetic System 1972 |
| Ellipsoïde | WGS 72 a = 6378135 m · 1/f = 298.26 |
| Système géographique de base | EPSG:4322 — WGS 72 |
| Unité | metre (E east, N north) |
| Transformation vers WGS 84 | WGS 72 to WGS 84 (2) (EPSG:1238) — précision 2 m |
| Usage | Engineering survey, topographic mapping. |
Paramètres de la projection
| Paramètre | Valeur | Unité |
|---|---|---|
| Latitude of natural origin | 0 | degree |
| Longitude of natural origin | 117 | degree |
| Scale factor at natural origin | 0.9996 | unity |
| False easting | 500000 | metre |
| False northing | 0 | metre |
Définition proj4
+proj=utm +zone=50 +a=6378135 +rf=298.26 +units=m +towgs84=0,0,4.5,0,0,0.554,0.219 +no_defs
À coller dans QGIS, proj4js, PostGIS (spatial_ref_sys) ou GDAL. +towgs84 porte la transformation EPSG vers WGS 84 ; le code officiel reste EPSG:32250.
WKT (format ESRI, contenu du .prj)
PROJCS["WGS_1972_UTM_Zone_50N",GEOGCS["GCS_WGS_1972",DATUM["D_WGS_1972",SPHEROID["WGS_1972",6378135.0,298.26]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",500000.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",117.0],PARAMETER["Scale_Factor",0.9996],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0]]
Autres systèmes — Monde
- EPSG:32241WGS 72 / UTM zone 41N
- EPSG:32242WGS 72 / UTM zone 42N
- EPSG:32243WGS 72 / UTM zone 43N
- EPSG:32244WGS 72 / UTM zone 44N
- EPSG:32245WGS 72 / UTM zone 45N
- EPSG:32246WGS 72 / UTM zone 46N
- EPSG:32247WGS 72 / UTM zone 47N
- EPSG:32248WGS 72 / UTM zone 48N
- EPSG:32249WGS 72 / UTM zone 49N
- EPSG:32251WGS 72 / UTM zone 51N
- EPSG:32252WGS 72 / UTM zone 52N
- EPSG:32253WGS 72 / UTM zone 53N
- EPSG:32254WGS 72 / UTM zone 54N
- EPSG:32255WGS 72 / UTM zone 55N
- EPSG:32256WGS 72 / UTM zone 56N
- EPSG:32257WGS 72 / UTM zone 57N
- EPSG:32258WGS 72 / UTM zone 58N
- EPSG:32259WGS 72 / UTM zone 59N
Source : registre EPSG v11.022 (IOGP), via la base PROJ. Vérifiez toujours un code sur epsg.org avant un travail contractuel.