degree (supplier to define representation)
Reseau Geodesique Francais 1993 v2b
EPSG
IGN, http://www.ign.fr
2021-09-08
GIS.
Replaces RGF93 v2 (lon-lat) (CRS code 9778) from 2021-01-05. See CRS code 9781 for system with horizontal axes in sequence lat-lon to be used for air, land and sea navigation and safety of life purposes.
France - onshore and offshore, mainland and Corsica (France métropolitaine including Corsica).
0.26 46.36
-9.86 41.15
10.38 51.56
-9.86 41.15
10.38 51.56
Definition: OGC Well Known Text 2 (2019)
GEOGCRS["RGF93 v2b (lon-lat)", DATUM["Reseau Geodesique Francais 1993 v2b", ELLIPSOID["GRS 1980",6378137,298.257222101, LENGTHUNIT["metre",1]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], CS[ellipsoidal,3], AXIS["geodetic longitude (Lon)",east, ORDER[1], ANGLEUNIT["degree",0.0174532925199433]], AXIS["geodetic latitude (Lat)",north, ORDER[2], ANGLEUNIT["degree",0.0174532925199433]], AXIS["ellipsoidal height (h)",up, ORDER[3], LENGTHUNIT["metre",1]], 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",9783]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "GeographicCRS", "name": "RGF93 v2b (lon-lat)", "datum": { "type": "GeodeticReferenceFrame", "name": "Reseau Geodesique Francais 1993 v2b", "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" }, { "name": "Ellipsoidal height", "abbreviation": "h", "direction": "up", "unit": "metre" } ] }, "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": 9783 } }
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=longlat +ellps=GRS80 +no_defs +type=crs"> <Layer srs="+proj=longlat +ellps=GRS80 +no_defs +type=crs"> </Layer> </Map>