EPSG:2425 Beijing 1954 / 3-degree Gauss-Kruger CM 84E
Système projeté (Transverse Mercator) en usage : China - 82.5°E to 85.5°E. La définition complète ci-dessous, et la conversion en un clic.
| Code | EPSG:2425 |
|---|---|
| Nom | Beijing 1954 / 3-degree Gauss-Kruger CM 84E |
| Type | Système projeté — Transverse Mercator |
| Zone d'usage |
China - 82.5°E to 85.5°E China - between 82°30'E and 85°30'E. |
| Emprise | O 82,50° · S 28,26° · E 85,50° · N 47,23° |
| Pays | Chine |
| Datum | Beijing 1954 |
| Ellipsoïde | Krassowsky 1940 a = 6378245 m · 1/f = 298.3 |
| Système géographique de base | EPSG:4214 — Beijing 1954 |
| Unité | metre (X north, Y east) |
| Transformation vers WGS 84 | Beijing 1954 to WGS 84 (4) (EPSG:15921) — précision 1 m |
| Usage | Cadastre, engineering survey, topographic mapping (large scale). |
Paramètres de la projection
| Paramètre | Valeur | Unité |
|---|---|---|
| Latitude of natural origin | 0 | degree |
| Longitude of natural origin | 84 | degree |
| Scale factor at natural origin | 1 | unity |
| False easting | 500000 | metre |
| False northing | 0 | metre |
Définition proj4
+proj=tmerc +lat_0=0 +lon_0=84 +k=1 +x_0=500000 +y_0=0 +ellps=krass +units=m +towgs84=15.8,-154.4,-82.3 +no_defsÀ coller dans QGIS, proj4js, PostGIS (spatial_ref_sys) ou GDAL. +towgs84 porte la transformation EPSG vers WGS 84 ; le code officiel reste EPSG:2425.
WKT (format ESRI, contenu du .prj)
PROJCS["Beijing_1954_3_Degree_GK_CM_84E",GEOGCS["GCS_Beijing_1954",DATUM["D_Beijing_1954",SPHEROID["Krasovsky_1940",6378245.0,298.3]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Gauss_Kruger"],PARAMETER["False_Easting",500000.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",84.0],PARAMETER["Scale_Factor",1.0],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0]]Autres systèmes — Chine
- EPSG:2416Beijing 1954 / 3-degree Gauss-Kruger zone 40
- EPSG:2417Beijing 1954 / 3-degree Gauss-Kruger zone 41
- EPSG:2418Beijing 1954 / 3-degree Gauss-Kruger zone 42
- EPSG:2419Beijing 1954 / 3-degree Gauss-Kruger zone 43
- EPSG:2420Beijing 1954 / 3-degree Gauss-Kruger zone 44
- EPSG:2421Beijing 1954 / 3-degree Gauss-Kruger zone 45
- EPSG:2422Beijing 1954 / 3-degree Gauss-Kruger CM 75E
- EPSG:2423Beijing 1954 / 3-degree Gauss-Kruger CM 78E
- EPSG:2424Beijing 1954 / 3-degree Gauss-Kruger CM 81E
- EPSG:2426Beijing 1954 / 3-degree Gauss-Kruger CM 87E
- EPSG:2427Beijing 1954 / 3-degree Gauss-Kruger CM 90E
- EPSG:2428Beijing 1954 / 3-degree Gauss-Kruger CM 93E
- EPSG:2429Beijing 1954 / 3-degree Gauss-Kruger CM 96E
- EPSG:2430Beijing 1954 / 3-degree Gauss-Kruger CM 99E
- EPSG:2431Beijing 1954 / 3-degree Gauss-Kruger CM 102E
- EPSG:2432Beijing 1954 / 3-degree Gauss-Kruger CM 105E
- EPSG:2433Beijing 1954 / 3-degree Gauss-Kruger CM 108E
- EPSG:2434Beijing 1954 / 3-degree Gauss-Kruger CM 111E
Source : registre EPSG v11.022 (IOGP), via la base PROJ. Vérifiez toujours un code sur epsg.org avant un travail contractuel.