EPSG:9547 LTF2004(G)
Geographic system in latitude and longitude, in use: Europe - Lyon-Turin. Datum, ellipsoid and transformation to WGS 84 below.
EPSG publishes no simple transformation to WGS 84 for this datum: conversion works on the ellipsoid alone and can be off by tens of metres.
| Code | EPSG:9547 |
|---|---|
| Name | LTF2004(G) |
| Type | Geographic system |
| Area of use |
Europe - Lyon-Turin France and Italy - on or related to the rail route from Lyon to Turin. |
| Bounds | W 4,65° · S 44,87° · E 7,88° · N 45,89° |
| Countries | France, Italy |
| Datum | Lyon Turin Ferroviaire 2004 |
| Ellipsoid | GRS 1980 a = 6378137 m · 1/f = 298.257222101 |
| Unit | degree (Lat north, Lon east) |
| Transformation to WGS 84 | No simple transformation published (ellipsoid alone) |
| Scope | Horizontal component of 3D system. |
proj4 definition
+proj=longlat +ellps=GRS80 +no_defsPaste it into QGIS, proj4js, PostGIS (spatial_ref_sys) or GDAL. +towgs84 carries the EPSG transformation to WGS 84; the official code stays EPSG:9547.
WKT (ESRI format, the .prj content)
GEOGCS["GCS_LTF2004_G",DATUM["Lyon_Turin_Ferroviaire_2004",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]]Other systems — France
- EPSG:9549LTF2004(C)
- EPSG:9777RGF93 v2
- EPSG:9779RGF93 v2 (lon-lat)
- EPSG:9782RGF93 v2b
- EPSG:9784RGF93 v2b (lon-lat)
- EPSG:9793RGF93 v2 / Lambert-93
- EPSG:9794RGF93 v2b / Lambert-93
- EPSG:9822RGF93 v2 / CC42
- EPSG:9823RGF93 v2 / CC43
- EPSG:9824RGF93 v2 / CC44
- EPSG:9825RGF93 v2 / CC45
- EPSG:9826RGF93 v2 / CC46
- EPSG:9827RGF93 v2 / CC47
- EPSG:9828RGF93 v2 / CC48
- EPSG:9829RGF93 v2 / CC49
- EPSG:9830RGF93 v2 / CC50
- EPSG:9842RGF93 v2b / CC42
- EPSG:9843RGF93 v2b / CC43
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.