metre
Cadastre, engineering survey.
None
France - mainland onshore between 44°N and 46°N.
Data Source: EPSG v11.022 2024-11-05
Datum: Reseau Geodesique Francais 1993 v2
Coordinate System: cartesian
Projection: France Conic Conformal zone 4
Geodetic CRS: RGF93 v2
PROJCRS["RGF93 v2 / CC45",
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 4",
METHOD["Lambert Conic Conformal (2SP)",
ID["EPSG",9802]],
PARAMETER["Latitude of false origin",45,
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",44.25,
ANGLEUNIT["degree",0.0174532925199433],
ID["EPSG",8823]],
PARAMETER["Latitude of 2nd standard parallel",45.75,
ANGLEUNIT["degree",0.0174532925199433],
ID["EPSG",8824]],
PARAMETER["Easting at false origin",1700000,
LENGTHUNIT["metre",1],
ID["EPSG",8826]],
PARAMETER["Northing at false origin",4200000,
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 44°N and 46°N."],
BBOX[44,-1.46,46,7.71]],
ID["EPSG",9825]]
{
"$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
"type": "ProjectedCRS",
"name": "RGF93 v2 / CC45",
"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 4",
"method": {
"name": "Lambert Conic Conformal (2SP)",
"id": {
"authority": "EPSG",
"code": 9802
}
},
"parameters": [
{
"name": "Latitude of false origin",
"value": 45,
"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": 44.25,
"unit": "degree",
"id": {
"authority": "EPSG",
"code": 8823
}
},
{
"name": "Latitude of 2nd standard parallel",
"value": 45.75,
"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": 4200000,
"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 44°N and 46°N.",
"bbox": {
"south_latitude": 44,
"west_longitude": -1.46,
"north_latitude": 46,
"east_longitude": 7.71
},
"id": {
"authority": "EPSG",
"code": 9825
}
}
{'crs_wkt': 'PROJCRS["RGF93 v2 / CC45",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 4",METHOD["Lambert Conic Conformal '
'(2SP)",ID["EPSG",9802]],PARAMETER["Latitude of false '
'origin",45,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",44.25,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8823]],PARAMETER["Latitude '
'of 2nd standard '
'parallel",45.75,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8824]],PARAMETER["Easting '
'at false '
'origin",1700000,LENGTHUNIT["metre",1],ID["EPSG",8826]],PARAMETER["Northing '
'at false '
'origin",4200000,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 '
'44°N and 46°N."],BBOX[44,-1.46,46,7.71]],ID["EPSG",9825]]',
'false_easting': 1700000.0,
'false_northing': 4200000.0,
'geographic_crs_name': 'RGF93 v2',
'grid_mapping_name': 'lambert_conformal_conic',
'horizontal_datum_name': 'Reseau Geodesique Francais 1993 v2',
'inverse_flattening': 298.257222101,
'latitude_of_projection_origin': 45.0,
'longitude_of_central_meridian': 3.0,
'longitude_of_prime_meridian': 0.0,
'prime_meridian_name': 'Greenwich',
'projected_crs_name': 'RGF93 v2 / CC45',
'reference_ellipsoid_name': 'GRS 1980',
'semi_major_axis': 6378137.0,
'semi_minor_axis': 6356752.314140356,
'standard_parallel': (44.25, 45.75)}