Engineering survey and mapping for the Trans-Europe Lyon-Turin (TELT) railway project.
France and Italy - on or related to the rail route from Lyon to Turin.
Cartesian 2D CS. Axes: easting, northing (E,N). Orientations: east, north. UoM: m.
106785.02 72005.23
-21206.99 15176.89
234030.56 130781.67
4.65 44.87
7.88 45.89
Definition: OGC Well Known Text 2 (2019)
PROJCRS["LTF2004(C)", BASEGEOGCRS["LTF2004(G)", DATUM["Lyon Turin Ferroviaire 2004", ELLIPSOID["GRS 1980",6378137,298.257222101, LENGTHUNIT["metre",1]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], ID["EPSG",9547]], CONVERSION["Lyon Turin Ferroviaire 2004 (C)", METHOD["Lambert Conic Conformal (1SP variant B)", ID["EPSG",1102]], PARAMETER["Latitude of natural origin",44.3791666666667, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8801]], PARAMETER["Scale factor at natural origin",1, SCALEUNIT["unity",1], ID["EPSG",8805]], PARAMETER["Latitude of false origin",45.1833333333333, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8821]], PARAMETER["Longitude of false origin",6.81666666666667, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8822]], PARAMETER["Easting at false origin",150000, LENGTHUNIT["metre",1], ID["EPSG",8826]], PARAMETER["Northing at false origin",50000, LENGTHUNIT["metre",1], ID["EPSG",8827]]], CS[Cartesian,2], AXIS["(E)",east, ORDER[1], LENGTHUNIT["metre",1]], AXIS["(N)",north, ORDER[2], LENGTHUNIT["metre",1]], USAGE[ SCOPE["Engineering survey and mapping for the Trans-Europe Lyon-Turin (TELT) railway project."], AREA["France and Italy - on or related to the rail route from Lyon to Turin."], BBOX[44.87,4.65,45.89,7.88]], ID["EPSG",9549]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "ProjectedCRS", "name": "LTF2004(C)", "base_crs": { "name": "LTF2004(G)", "datum": { "type": "GeodeticReferenceFrame", "name": "Lyon Turin Ferroviaire 2004", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 9547 } }, "conversion": { "name": "Lyon Turin Ferroviaire 2004 (C)", "method": { "name": "Lambert Conic Conformal (1SP variant B)", "id": { "authority": "EPSG", "code": 1102 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 44.3791666666667, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Scale factor at natural origin", "value": 1, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "Latitude of false origin", "value": 45.1833333333333, "unit": "degree", "id": { "authority": "EPSG", "code": 8821 } }, { "name": "Longitude of false origin", "value": 6.81666666666667, "unit": "degree", "id": { "authority": "EPSG", "code": 8822 } }, { "name": "Easting at false origin", "value": 150000, "unit": "metre", "id": { "authority": "EPSG", "code": 8826 } }, { "name": "Northing at false origin", "value": 50000, "unit": "metre", "id": { "authority": "EPSG", "code": 8827 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "E", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "N", "direction": "north", "unit": "metre" } ] }, "scope": "Engineering survey and mapping for the Trans-Europe Lyon-Turin (TELT) railway project.", "area": "France and Italy - on or related to the rail route from Lyon to Turin.", "bbox": { "south_latitude": 44.87, "west_longitude": 4.65, "north_latitude": 45.89, "east_longitude": 7.88 }, "id": { "authority": "EPSG", "code": 9549 } }
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+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_defs +type=crs"> <Layer srs="+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_defs +type=crs"> </Layer> </Map>