EPSG:9549 LTF2004(C)
Projected system (Lambert Conic Conformal (1SP variant B)) in use: Europe - Lyon-Turin. The full definition below, and conversion in one click.
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:9549 |
|---|---|
| Name | LTF2004(C) |
| Type | Projected system — Lambert Conic Conformal (1SP variant B) |
| 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 |
| Base geographic system | EPSG:9547 — LTF2004(G) |
| Unit | metre (E east, N north) |
| Transformation to WGS 84 | No simple transformation published (ellipsoid alone) |
| Scope | Engineering survey and mapping for the Trans-Europe Lyon-Turin (TELT) railway project. |
Projection parameters
| Parameter | Value | Unit |
|---|---|---|
| Latitude of natural origin | 44.37916666666667 | degree |
| Scale factor at natural origin | 1 | unity |
| Latitude of false origin | 45.18333333333333 | degree |
| Longitude of false origin | 6.816666666666666 | degree |
| Easting at false origin | 150000 | metre |
| Northing at false origin | 50000 | metre |
proj4 definition
+proj=lcc +lat_1=44.3791666666667 +k_0=1 +lat_0=45.1833333333333 +lon_0=6.81666666666667 +x_0=150000 +y_0=50000 +ellps=GRS80 +units=m +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:9549.
Other systems — France
- EPSG:9547LTF2004(G)
- 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.