EPSG:9779

RGF93 v2 (lon-lat)

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: 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[0,0,0,0,0,0,0]],
    PRIMEM["Greenwich",0,
        AUTHORITY["EPSG","8901"]],
    UNIT["degree",0.0174532925199433,
        AUTHORITY["EPSG","9122"]],
    AUTHORITY["EPSG","9779"]]

Definition: OGC Well Known Text 2 (2019)

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]]

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=0,0,0,0,0,0,0 +no_defs +type=crs

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:9779","+proj=longlat +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "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"
            }
        ]
    },
    "scope": "GIS.",
    "area": "France - onshore and offshore, mainland and Corsica (France métropolitaine including Corsica).",
    "bbox": {
        "south_latitude": 41.15,
        "west_longitude": -9.86,
        "north_latitude": 51.56,
        "east_longitude": 10.38
    },
    "id": {
        "authority": "EPSG",
        "code": 9779
    }
}

Definition: GeoServer

9779=GEOGCS["RGF93 v2 (lon-lat)",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","9779"]]

Definition: MapServer - MAPfile

PROJECTION
	"proj=longlat"
	"ellps=GRS80"
	"towgs84=0,0,0,0,0,0,0"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=longlat +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +no_defs +type=crs">
	<Layer srs="+proj=longlat +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +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=0,0,0,0,0,0,0 +no_defs +type=crs', 'GEOGCS["RGF93 v2 (lon-lat)",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","9779"]]');