EPSG:24381 Kalianpur 1975 / India zone IIIa
Système projeté (Lambert Conic Conformal (1SP)) en usage : India - onshore 15°N to 21°N. La définition complète ci-dessous, et la conversion en un clic.
| Code | EPSG:24381 |
|---|---|
| Nom | Kalianpur 1975 / India zone IIIa |
| Type | Système projeté — Lambert Conic Conformal (1SP) |
| Zone d'usage |
India - onshore 15°N to 21°N India - onshore between 15°N and 21°N. |
| Emprise | O 70,14° · S 15,00° · E 87,15° · N 21,01° |
| Pays | Inde |
| Datum | Kalianpur 1975 |
| Ellipsoïde | Everest 1830 (1975 Definition) a = 6377299.151 m · 1/f = 300.8017255 |
| Système géographique de base | EPSG:4146 — Kalianpur 1975 |
| Unité | metre (E east, N north) |
| Transformation vers WGS 84 | Kalianpur 1975 to WGS 84 (1) (EPSG:1156) — précision 22 m |
| Usage | Engineering survey, topographic mapping. |
Paramètres de la projection
| Paramètre | Valeur | Unité |
|---|---|---|
| Latitude of natural origin | 19 | degree |
| Longitude of natural origin | 80 | degree |
| Scale factor at natural origin | 0.99878641 | unity |
| False easting | 2743195.5 | metre |
| False northing | 914398.5 | metre |
Définition proj4
+proj=lcc +lat_1=19 +lat_0=19 +lon_0=80 +k_0=0.99878641 +x_0=2743195.5 +y_0=914398.5 +a=6377299.151 +rf=300.8017255 +units=m +towgs84=295,736,257 +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:24381.
WKT (format ESRI, contenu du .prj)
PROJCS["Kalianpur_1975_India_Zone_III",GEOGCS["GCS_Kalianpur_1975",DATUM["D_Kalianpur_1975",SPHEROID["Everest_Definition_1975",6377299.151,300.8017255]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Lambert_Conformal_Conic"],PARAMETER["False_Easting",2743195.5],PARAMETER["False_Northing",914398.5],PARAMETER["Central_Meridian",80.0],PARAMETER["Standard_Parallel_1",19.0],PARAMETER["Scale_Factor",0.99878641],PARAMETER["Latitude_Of_Origin",19.0],UNIT["Meter",1.0]]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:24371Kalianpur 1880 / India zone I
- 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: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.