EPSG:9779

RGF93 v2 (lon-lat)

Transform Get position on a map

Available transformations
to EPSG:9782
EPSG:9782 - RGF93 v2b

  • France , accuracy 0.005 m, code 9788 (default) [7]

Selected transformation

Method: Position Vector transformation (geog2D domain)

Remarks: Derived at 465 permanent GNSS stations. In use from 2021-01-05.

Information source: IGN, http://www.ign.fr

Revision date: 2021-09-08

Attributes

Unit: degree (supplier to define representation)

Geodetic CRS: RGF93 v2

Datum: Reseau Geodesique Francais 1993 v2

Ellipsoid: GRS 1980

Prime meridian: Greenwich

Data source: EPSG

Information source: IGN, http://www.ign.fr

Revision date: 2021-09-08

Scope: GIS.

Remarks: Replaces RGF93 v1 (lon-lat) (code 7084) from 2010-06-18. Replaced by RGF93 v2b (lon-lat) (CRS code 9784) from 2021-01-05. See CRS code 9777 for system with axes in sequence lat-lon to be used for air, land and sea navigation and safety of life purposes.

Area of use: France - onshore and offshore, mainland and Corsica (France métropolitaine including Corsica).

Coordinate system: Ellipsoidal 2D CS. Axes: longitude, latitude. Orientations: east, north. UoM: degree

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Center coordinates
0.26 46.36

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

GEOGCS["RGF93 v2 (lon-lat)",
    DATUM["Reseau_Geodesique_Francais_1993_v2",
        SPHEROID["GRS 1980",6378137,298.257222101],
        TOWGS84[-0.017,0.058,0.009,0.001305,0.00068,-0.001467,-0.00072]],
    PRIMEM["Greenwich",0,
        AUTHORITY["EPSG","8901"]],
    UNIT["degree",0.0174532925199433,
        AUTHORITY["EPSG","9122"]],
    AUTHORITY["EPSG","9779"]]

Definition: OGC Well Known Text 2 (2019)

BOUNDCRS[
    SOURCECRS[
        GEOGCRS["RGF93 v2 (lon-lat)",
            DATUM["Reseau Geodesique Francais 1993 v2",
                ELLIPSOID["GRS 1980",6378137,298.257222101,
                    LENGTHUNIT["metre",1]]],
            PRIMEM["Greenwich",0,
                ANGLEUNIT["degree",0.0174532925199433]],
            CS[ellipsoidal,2],
                AXIS["geodetic longitude (Lon)",east,
                    ORDER[1],
                    ANGLEUNIT["degree",0.0174532925199433]],
                AXIS["geodetic latitude (Lat)",north,
                    ORDER[2],
                    ANGLEUNIT["degree",0.0174532925199433]],
            USAGE[
                SCOPE["GIS."],
                AREA["France - onshore and offshore, mainland and Corsica (France métropolitaine including Corsica)."],
                BBOX[41.15,-9.86,51.56,10.38]],
            ID["EPSG",9779]]],
    TARGETCRS[
        GEOGCRS["WGS 84",
            ENSEMBLE["World Geodetic System 1984 ensemble",
                MEMBER["World Geodetic System 1984 (Transit)"],
                MEMBER["World Geodetic System 1984 (G730)"],
                MEMBER["World Geodetic System 1984 (G873)"],
                MEMBER["World Geodetic System 1984 (G1150)"],
                MEMBER["World Geodetic System 1984 (G1674)"],
                MEMBER["World Geodetic System 1984 (G1762)"],
                MEMBER["World Geodetic System 1984 (G2139)"],
                ELLIPSOID["WGS 84",6378137,298.257223563,
                    LENGTHUNIT["metre",1]],
                ENSEMBLEACCURACY[2.0]],
            PRIMEM["Greenwich",0,
                ANGLEUNIT["degree",0.0174532925199433]],
            CS[ellipsoidal,2],
                AXIS["geodetic latitude (Lat)",north,
                    ORDER[1],
                    ANGLEUNIT["degree",0.0174532925199433]],
                AXIS["geodetic longitude (Lon)",east,
                    ORDER[2],
                    ANGLEUNIT["degree",0.0174532925199433]],
            USAGE[
                SCOPE["Horizontal component of 3D system."],
                AREA["World."],
                BBOX[-90,-180,90,180]],
            ID["EPSG",4326]]],
    ABRIDGEDTRANSFORMATION["Transformation from unknown to WGS84",
        METHOD["Position Vector transformation (geog2D domain)",
            ID["EPSG",9606]],
        PARAMETER["X-axis translation",-0.017,
            ID["EPSG",8605]],
        PARAMETER["Y-axis translation",0.058,
            ID["EPSG",8606]],
        PARAMETER["Z-axis translation",0.009,
            ID["EPSG",8607]],
        PARAMETER["X-axis rotation",0.001305,
            ID["EPSG",8608]],
        PARAMETER["Y-axis rotation",0.00068,
            ID["EPSG",8609]],
        PARAMETER["Z-axis rotation",-0.001467,
            ID["EPSG",8610]],
        PARAMETER["Scale difference",0.99999999928,
            ID["EPSG",8611]]]]

Definition: ESRI Well Known Text

GEOGCS["RGF93_v2_(lon-lat)",
    DATUM["Reseau_Geodesique_Francais_1993_v2",
        SPHEROID["GRS_1980",6378137.0,298.257222101]],
    PRIMEM["Greenwich",0.0],
    UNIT["Degree",0.0174532925199433]]

Definition: PROJ.4

+proj=longlat +ellps=GRS80 +towgs84=-0.017,0.058,0.009,0.001305,0.00068,-0.001467,-0.00072 +no_defs +type=crs

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:9779","+proj=longlat +ellps=GRS80 +towgs84=-0.017,0.058,0.009,0.001305,0.00068,-0.001467,-0.00072 +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "BoundCRS",
    "source_crs": {
        "type": "GeographicCRS",
        "name": "RGF93 v2 (lon-lat)",
        "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 longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                },
                {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": "degree"
                }
            ]
        },
        "id": {
            "authority": "EPSG",
            "code": 9779
        }
    },
    "target_crs": {
        "type": "GeographicCRS",
        "name": "WGS 84",
        "datum_ensemble": {
            "name": "World Geodetic System 1984 ensemble",
            "members": [
                {
                    "name": "World Geodetic System 1984 (Transit)",
                    "id": {
                        "authority": "EPSG",
                        "code": 1166
                    }
                },
                {
                    "name": "World Geodetic System 1984 (G730)",
                    "id": {
                        "authority": "EPSG",
                        "code": 1152
                    }
                },
                {
                    "name": "World Geodetic System 1984 (G873)",
                    "id": {
                        "authority": "EPSG",
                        "code": 1153
                    }
                },
                {
                    "name": "World Geodetic System 1984 (G1150)",
                    "id": {
                        "authority": "EPSG",
                        "code": 1154
                    }
                },
                {
                    "name": "World Geodetic System 1984 (G1674)",
                    "id": {
                        "authority": "EPSG",
                        "code": 1155
                    }
                },
                {
                    "name": "World Geodetic System 1984 (G1762)",
                    "id": {
                        "authority": "EPSG",
                        "code": 1156
                    }
                },
                {
                    "name": "World Geodetic System 1984 (G2139)",
                    "id": {
                        "authority": "EPSG",
                        "code": 1309
                    }
                }
            ],
            "ellipsoid": {
                "name": "WGS 84",
                "semi_major_axis": 6378137,
                "inverse_flattening": 298.257223563
            },
            "accuracy": "2.0",
            "id": {
                "authority": "EPSG",
                "code": 6326
            }
        },
        "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": 4326
        }
    },
    "transformation": {
        "name": "Transformation from unknown to WGS84",
        "method": {
            "name": "Position Vector transformation (geog2D domain)",
            "id": {
                "authority": "EPSG",
                "code": 9606
            }
        },
        "parameters": [
            {
                "name": "X-axis translation",
                "value": -0.017,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8605
                }
            },
            {
                "name": "Y-axis translation",
                "value": 0.058,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8606
                }
            },
            {
                "name": "Z-axis translation",
                "value": 0.009,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8607
                }
            },
            {
                "name": "X-axis rotation",
                "value": 0.001305,
                "unit": {
                    "type": "AngularUnit",
                    "name": "arc-second",
                    "conversion_factor": 4.84813681109536e-06
                },
                "id": {
                    "authority": "EPSG",
                    "code": 8608
                }
            },
            {
                "name": "Y-axis rotation",
                "value": 0.00068,
                "unit": {
                    "type": "AngularUnit",
                    "name": "arc-second",
                    "conversion_factor": 4.84813681109536e-06
                },
                "id": {
                    "authority": "EPSG",
                    "code": 8609
                }
            },
            {
                "name": "Z-axis rotation",
                "value": -0.001467,
                "unit": {
                    "type": "AngularUnit",
                    "name": "arc-second",
                    "conversion_factor": 4.84813681109536e-06
                },
                "id": {
                    "authority": "EPSG",
                    "code": 8610
                }
            },
            {
                "name": "Scale difference",
                "value": -0.00072,
                "unit": {
                    "type": "ScaleUnit",
                    "name": "parts per million",
                    "conversion_factor": 1e-06
                },
                "id": {
                    "authority": "EPSG",
                    "code": 8611
                }
            }
        ]
    }
}

Definition: GeoServer

9779=GEOGCS["RGF93 v2 (lon-lat)",DATUM["Reseau_Geodesique_Francais_1993_v2",SPHEROID["GRS 1980",6378137,298.257222101],TOWGS84[-0.017,0.058,0.009,0.001305,0.00068,-0.001467,-0.00072]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","9779"]]

Definition: MapServer - MAPfile

PROJECTION
	"proj=longlat"
	"ellps=GRS80"
	"towgs84=-0.017,0.058,0.009,0.001305,0.00068,-0.001467,-0.00072"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=longlat +ellps=GRS80 +towgs84=-0.017,0.058,0.009,0.001305,0.00068,-0.001467,-0.00072 +no_defs +type=crs">
	<Layer srs="+proj=longlat +ellps=GRS80 +towgs84=-0.017,0.058,0.009,0.001305,0.00068,-0.001467,-0.00072 +no_defs +type=crs">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 9779, 'EPSG', 9779, '+proj=longlat +ellps=GRS80 +towgs84=-0.017,0.058,0.009,0.001305,0.00068,-0.001467,-0.00072 +no_defs +type=crs', 'GEOGCS["RGF93 v2 (lon-lat)",DATUM["Reseau_Geodesique_Francais_1993_v2",SPHEROID["GRS 1980",6378137,298.257222101],TOWGS84[-0.017,0.058,0.009,0.001305,0.00068,-0.001467,-0.00072]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","9779"]]');