EPSG:4275 NTF
Geographic system in latitude and longitude, in use: France - onshore - mainland and Corsica. Datum, ellipsoid and transformation to WGS 84 below.
| Code | EPSG:4275 |
|---|---|
| Name | NTF |
| Type | Geographic system |
| Area of use | France - onshore - mainland and Corsica |
| Bounds | W -4,87° · S 41,31° · E 9,63° · N 51,14° |
| Countries | France |
| Datum | Nouvelle Triangulation Francaise |
| Ellipsoid | Clarke 1880 (IGN) a = 6378249.2 m · 1/f = 293.466021294 |
| Unit | degree (Lat north, Lon east) |
| Transformation to WGS 84 | NTF to WGS 84 (1) (EPSG:1193) — accuracy 2 m |
| Scope | Geodesy. |
proj4 definition
+proj=longlat +ellps=clrk80ign +towgs84=-168,-60,320 +no_defs
Paste it into QGIS, proj4js, PostGIS (spatial_ref_sys) or GDAL. +towgs84 carries the EPSG transformation to WGS 84; the official code stays EPSG:4275.
WKT (ESRI format, the .prj content)
GEOGCS["GCS_NTF",DATUM["D_NTF",SPHEROID["Clarke_1880_IGN",6378249.2,293.466021293627]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]]
Other systems — France
- EPSG:2154RGF93 v1 / Lambert-93
- EPSG:3942RGF93 v1 / CC42
- EPSG:3943RGF93 v1 / CC43
- EPSG:3944RGF93 v1 / CC44
- EPSG:3945RGF93 v1 / CC45
- EPSG:3946RGF93 v1 / CC46
- EPSG:3947RGF93 v1 / CC47
- EPSG:3948RGF93 v1 / CC48
- EPSG:3949RGF93 v1 / CC49
- EPSG:3950RGF93 v1 / CC50
- EPSG:4171RGF93 v1
- EPSG:4807NTF (Paris)
- EPSG:4901ATF (Paris)
- EPSG:5627ED50 / TM 6 NE
- EPSG:7084RGF93 v1 (lon-lat)
- EPSG:9547LTF2004(G)
- EPSG:9549LTF2004(C)
- EPSG:9777RGF93 v2
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.