EPSG:9826

RGF93 v2 / CC46

Transform Get position on a map

Available transformations
to EPSG:4326
EPSG:4326 - WGS 84

  • France , accuracy 1.0 m, code 9791 (default) [3]

Selected transformation

Method: Geocentric translations (geog2D domain)

Remarks: Approximation at the 1m level assuming that ETRS89 is equivalent to WGS 84 within the accuracy of the transformation. (RGF93 v2 is a national realization of ETRS89).

Information source: IOGP

Revision date: 2021-09-08

Attributes

Unit: metre

Geodetic CRS: RGF93 v2

Datum: Reseau Geodesique Francais 1993 v2

Ellipsoid: GRS 1980

Prime meridian: Greenwich

Data source: EPSG

Information source: IGN Paris

Revision date: 2021-09-08

Scope: Cadastre, engineering survey.

Area of use: France - mainland onshore between 45°N and 47°N.

Coordinate system: Cartesian 2D CS. Axes: easting, northing (X,Y). Orientations: east, north. UoM: m.

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Center coordinates
1489167.64 5243083.64

Projected bounds:
621509.63 4660562.44
2320724.18 5891430.09

WGS84 bounds:
-9.86 41.15
10.38 51.56

France - onshore and offshore, mainland and Corsica (France métropolitaine including Corsica).
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Definition: OGC Well Known Text

PROJCS["RGF93 v2 / CC46",
    GEOGCS["RGF93 v2",
        DATUM["Reseau_Geodesique_Francais_1993_v2",
            SPHEROID["GRS 1980",6378137,298.257222101],
            TOWGS84[0,0,0,0,0,0,0]],
        PRIMEM["Greenwich",0,
            AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,
            AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","9777"]],
    PROJECTION["Lambert_Conformal_Conic_2SP"],
    PARAMETER["latitude_of_origin",46],
    PARAMETER["central_meridian",3],
    PARAMETER["standard_parallel_1",45.25],
    PARAMETER["standard_parallel_2",46.75],
    PARAMETER["false_easting",1700000],
    PARAMETER["false_northing",5200000],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH],
    AUTHORITY["EPSG","9826"]]

Definition: OGC Well Known Text 2 (2019)

PROJCRS["RGF93 v2 / CC46",
    BASEGEOGCRS["RGF93 v2",
        DATUM["Reseau Geodesique Francais 1993 v2",
            ELLIPSOID["GRS 1980",6378137,298.257222101,
                LENGTHUNIT["metre",1]]],
        PRIMEM["Greenwich",0,
            ANGLEUNIT["degree",0.0174532925199433]],
        ID["EPSG",9777]],
    CONVERSION["France Conic Conformal zone 5",
        METHOD["Lambert Conic Conformal (2SP)",
            ID["EPSG",9802]],
        PARAMETER["Latitude of false origin",46,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8821]],
        PARAMETER["Longitude of false origin",3,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8822]],
        PARAMETER["Latitude of 1st standard parallel",45.25,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8823]],
        PARAMETER["Latitude of 2nd standard parallel",46.75,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8824]],
        PARAMETER["Easting at false origin",1700000,
            LENGTHUNIT["metre",1],
            ID["EPSG",8826]],
        PARAMETER["Northing at false origin",5200000,
            LENGTHUNIT["metre",1],
            ID["EPSG",8827]]],
    CS[Cartesian,2],
        AXIS["easting (X)",east,
            ORDER[1],
            LENGTHUNIT["metre",1]],
        AXIS["northing (Y)",north,
            ORDER[2],
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["Cadastre, engineering survey."],
        AREA["France - mainland onshore between 45°N and 47°N."],
        BBOX[45,-2.21,47,7.16]],
    ID["EPSG",9826]]

Definition: ESRI Well Known Text

PROJCS["RGF93_v2_CC46",
    GEOGCS["RGF93_v2",
        DATUM["Reseau_Geodesique_Francais_1993_v2",
            SPHEROID["GRS_1980",6378137.0,298.257222101]],
        PRIMEM["Greenwich",0.0],
        UNIT["Degree",0.0174532925199433]],
    PROJECTION["Lambert_Conformal_Conic"],
    PARAMETER["False_Easting",1700000.0],
    PARAMETER["False_Northing",5200000.0],
    PARAMETER["Central_Meridian",3.0],
    PARAMETER["Standard_Parallel_1",45.25],
    PARAMETER["Standard_Parallel_2",46.75],
    PARAMETER["Latitude_Of_Origin",46.0],
    UNIT["Meter",1.0]]

Definition: PROJ.4

+proj=lcc +lat_0=46 +lon_0=3 +lat_1=45.25 +lat_2=46.75 +x_0=1700000 +y_0=5200000 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:9826","+proj=lcc +lat_0=46 +lon_0=3 +lat_1=45.25 +lat_2=46.75 +x_0=1700000 +y_0=5200000 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "ProjectedCRS",
    "name": "RGF93 v2 / CC46",
    "base_crs": {
        "name": "RGF93 v2",
        "datum": {
            "type": "GeodeticReferenceFrame",
            "name": "Reseau Geodesique Francais 1993 v2",
            "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": 9777
        }
    },
    "conversion": {
        "name": "France Conic Conformal zone 5",
        "method": {
            "name": "Lambert Conic Conformal (2SP)",
            "id": {
                "authority": "EPSG",
                "code": 9802
            }
        },
        "parameters": [
            {
                "name": "Latitude of false origin",
                "value": 46,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8821
                }
            },
            {
                "name": "Longitude of false origin",
                "value": 3,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8822
                }
            },
            {
                "name": "Latitude of 1st standard parallel",
                "value": 45.25,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8823
                }
            },
            {
                "name": "Latitude of 2nd standard parallel",
                "value": 46.75,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8824
                }
            },
            {
                "name": "Easting at false origin",
                "value": 1700000,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8826
                }
            },
            {
                "name": "Northing at false origin",
                "value": 5200000,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8827
                }
            }
        ]
    },
    "coordinate_system": {
        "subtype": "Cartesian",
        "axis": [
            {
                "name": "Easting",
                "abbreviation": "X",
                "direction": "east",
                "unit": "metre"
            },
            {
                "name": "Northing",
                "abbreviation": "Y",
                "direction": "north",
                "unit": "metre"
            }
        ]
    },
    "scope": "Cadastre, engineering survey.",
    "area": "France - mainland onshore between 45°N and 47°N.",
    "bbox": {
        "south_latitude": 45,
        "west_longitude": -2.21,
        "north_latitude": 47,
        "east_longitude": 7.16
    },
    "id": {
        "authority": "EPSG",
        "code": 9826
    }
}

Definition: GeoServer

9826=PROJCS["RGF93 v2 / CC46",GEOGCS["RGF93 v2",DATUM["Reseau_Geodesique_Francais_1993_v2",SPHEROID["GRS 1980",6378137,298.257222101],TOWGS84[0,0,0,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","9777"]],PROJECTION["Lambert_Conformal_Conic_2SP"],PARAMETER["latitude_of_origin",46],PARAMETER["central_meridian",3],PARAMETER["standard_parallel_1",45.25],PARAMETER["standard_parallel_2",46.75],PARAMETER["false_easting",1700000],PARAMETER["false_northing",5200000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","9826"]]

Definition: MapServer - MAPfile

PROJECTION
	"proj=lcc"
	"lat_0=46"
	"lon_0=3"
	"lat_1=45.25"
	"lat_2=46.75"
	"x_0=1700000"
	"y_0=5200000"
	"ellps=GRS80"
	"towgs84=0,0,0,0,0,0,0"
	"units=m"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=lcc +lat_0=46 +lon_0=3 +lat_1=45.25 +lat_2=46.75 +x_0=1700000 +y_0=5200000 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs">
	<Layer srs="+proj=lcc +lat_0=46 +lon_0=3 +lat_1=45.25 +lat_2=46.75 +x_0=1700000 +y_0=5200000 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 9826, 'EPSG', 9826, '+proj=lcc +lat_0=46 +lon_0=3 +lat_1=45.25 +lat_2=46.75 +x_0=1700000 +y_0=5200000 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs', 'PROJCS["RGF93 v2 / CC46",GEOGCS["RGF93 v2",DATUM["Reseau_Geodesique_Francais_1993_v2",SPHEROID["GRS 1980",6378137,298.257222101],TOWGS84[0,0,0,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","9777"]],PROJECTION["Lambert_Conformal_Conic_2SP"],PARAMETER["latitude_of_origin",46],PARAMETER["central_meridian",3],PARAMETER["standard_parallel_1",45.25],PARAMETER["standard_parallel_2",46.75],PARAMETER["false_easting",1700000],PARAMETER["false_northing",5200000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","9826"]]');