EPSG:24371 Kalianpur 1880 / India zone I
Système projeté (Lambert Conic Conformal (1SP)) en usage : Asia - India; Pakistan - 28°N to 35°35'N. La définition complète ci-dessous, et la conversion en un clic.
EPSG ne publie pas de transformation simple vers WGS 84 pour ce datum : la conversion se fait sur l'ellipsoïde seul et peut s'écarter de plusieurs dizaines de mètres.
| Code | EPSG:24371 |
|---|---|
| Nom | Kalianpur 1880 / India zone I |
| Type | Système projeté — Lambert Conic Conformal (1SP) |
| Zone d'usage |
Asia - India; Pakistan - 28°N to 35°35'N India - north of 28°N; Pakistan - between 28°N and 35°35'N. |
| Emprise | O 60,86° · S 28,00° · E 81,64° · N 35,59° |
| Pays | Inde, Pakistan |
| Datum | Kalianpur 1880 |
| Ellipsoïde | Everest (1830 Definition) a = 6377299.36559538 m · 1/f = 300.801725543 |
| Système géographique de base | EPSG:4243 — Kalianpur 1880 |
| Unité | Indian yard (E east, N north) |
| Transformation vers WGS 84 | Aucune transformation simple publiée (ellipsoïde seul) |
| Usage | Engineering survey, topographic mapping. |
Paramètres de la projection
| Paramètre | Valeur | Unité |
|---|---|---|
| Latitude of natural origin | 32.5 | degree |
| Longitude of natural origin | 68 | degree |
| Scale factor at natural origin | 0.99878641 | unity |
| False easting | 3000000 | Indian yard |
| False northing | 1000000 | Indian yard |
Définition proj4
+proj=lcc +lat_1=32.5 +lat_0=32.5 +lon_0=68 +k_0=0.99878641 +x_0=2743195.59223332 +y_0=914398.530744441 +a=6377299.36559538 +b=6356098.35900516 +to_meter=0.914398530744441 +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:24371.
WKT (format ESRI, contenu du .prj)
PROJCS["Kalianpur_1880_India_Zone_I",GEOGCS["GCS_Kalianpur_1880",DATUM["D_Kalianpur_1880",SPHEROID["Everest_1830",6377299.36559538,300.801725543355]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Lambert_Conformal_Conic"],PARAMETER["False_Easting",3000000.0],PARAMETER["False_Northing",1000000.0],PARAMETER["Central_Meridian",68.0],PARAMETER["Standard_Parallel_1",32.5],PARAMETER["Scale_Factor",0.99878641],PARAMETER["Latitude_Of_Origin",32.5],UNIT["Indian yard",0.914398530744441]]Autres systèmes — Inde
- EPSG:7785WGS 84 / Tamil Nadu
- EPSG:7786WGS 84 / Tripura
- EPSG:7787WGS 84 / West Bengal
- EPSG:24342Kalianpur 1975 / UTM zone 42N
- EPSG:24343Kalianpur 1975 / UTM zone 43N
- EPSG:24344Kalianpur 1975 / UTM zone 44N
- EPSG:24345Kalianpur 1975 / UTM zone 45N
- EPSG:24346Kalianpur 1975 / UTM zone 46N
- EPSG:24347Kalianpur 1975 / UTM zone 47N
- EPSG:24372Kalianpur 1880 / India zone IIa
- EPSG:24373Kalianpur 1880 / India zone IIIa
- EPSG:24374Kalianpur 1880 / India zone IVa
- EPSG:24378Kalianpur 1975 / India zone I
- EPSG:24379Kalianpur 1975 / India zone IIa
- EPSG:24380Kalianpur 1975 / India zone IIb
- EPSG:24381Kalianpur 1975 / India zone IIIa
- EPSG:24382Kalianpur 1880 / India zone IIb
- EPSG:24383Kalianpur 1975 / India zone IVa
Source : registre EPSG v11.022 (IOGP), via la base PROJ. Vérifiez toujours un code sur epsg.org avant un travail contractuel.