EPSG:2437 Beijing 1954 / 3-degree Gauss-Kruger CM 120E
Système projeté (Transverse Mercator) en usage : China - 118.5°E to 121.5°E onshore. La définition complète ci-dessous, et la conversion en un clic.
| Code | EPSG:2437 |
|---|---|
| Nom | Beijing 1954 / 3-degree Gauss-Kruger CM 120E |
| Type | Système projeté — Transverse Mercator |
| Zone d'usage |
China - 118.5°E to 121.5°E onshore China - onshore between 118°30'E and 121°30'E. |
| Emprise | O 118,50° · S 24,43° · E 121,50° · N 53,33° |
| 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 (2) (EPSG:15919) — précision 15 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 | 120 | 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=120 +k=1 +x_0=500000 +y_0=0 +ellps=krass +units=m +towgs84=15.53,-113.82,-41.38,0,0,0.814,-0.38 +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:2437.
WKT (format ESRI, contenu du .prj)
PROJCS["Beijing_1954_3_Degree_GK_CM_120E",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",120.0],PARAMETER["Scale_Factor",1.0],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0]]Autres systèmes — Chine
- EPSG:2424Beijing 1954 / 3-degree Gauss-Kruger CM 81E
- EPSG:2425Beijing 1954 / 3-degree Gauss-Kruger CM 84E
- 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
- EPSG:2435Beijing 1954 / 3-degree Gauss-Kruger CM 114E
- EPSG:2436Beijing 1954 / 3-degree Gauss-Kruger CM 117E
- EPSG:2438Beijing 1954 / 3-degree Gauss-Kruger CM 123E
- EPSG:2439Beijing 1954 / 3-degree Gauss-Kruger CM 126E
- EPSG:2440Beijing 1954 / 3-degree Gauss-Kruger CM 129E
- EPSG:2441Beijing 1954 / 3-degree Gauss-Kruger CM 132E
- EPSG:2442Beijing 1954 / 3-degree Gauss-Kruger CM 135E
Source : registre EPSG v11.022 (IOGP), via la base PROJ. Vérifiez toujours un code sur epsg.org avant un travail contractuel.