metre
Engineering survey, topographic mapping.
None
France - Corsica onshore.
Data Source: EPSG v11.016 2024-08-31
Datum: Reseau Geodesique Francais 1993 v1
Coordinate System: Undefined
Projection: Undefined
Geodetic CRS: Undefined
COMPOUNDCRS["RGF93 v1 / Lambert-93 + NGF-IGN78 height",
PROJCRS["RGF93 v1 / Lambert-93",
BASEGEOGCRS["RGF93 v1",
DATUM["Reseau Geodesique Francais 1993 v1",
ELLIPSOID["GRS 1980",6378137,298.257222101,
LENGTHUNIT["metre",1]]],
PRIMEM["Greenwich",0,
ANGLEUNIT["degree",0.0174532925199433]],
ID["EPSG",4171]],
CONVERSION["Lambert-93",
METHOD["Lambert Conic Conformal (2SP)",
ID["EPSG",9802]],
PARAMETER["Latitude of false origin",46.5,
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",49,
ANGLEUNIT["degree",0.0174532925199433],
ID["EPSG",8823]],
PARAMETER["Latitude of 2nd standard parallel",44,
ANGLEUNIT["degree",0.0174532925199433],
ID["EPSG",8824]],
PARAMETER["Easting at false origin",700000,
LENGTHUNIT["metre",1],
ID["EPSG",8826]],
PARAMETER["Northing at false origin",6600000,
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]]],
VERTCRS["NGF-IGN78 height",
VDATUM["Nivellement General de la France - IGN78"],
CS[vertical,1],
AXIS["gravity-related height (H)",up,
LENGTHUNIT["metre",1]]],
USAGE[
SCOPE["Engineering survey, topographic mapping."],
AREA["France - Corsica onshore."],
BBOX[41.31,8.5,43.07,9.63]],
ID["EPSG",5699]]
{
"$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
"type": "CompoundCRS",
"name": "RGF93 v1 / Lambert-93 + NGF-IGN78 height",
"components": [
{
"type": "ProjectedCRS",
"name": "RGF93 v1 / Lambert-93",
"base_crs": {
"name": "RGF93 v1",
"datum": {
"type": "GeodeticReferenceFrame",
"name": "Reseau Geodesique Francais 1993 v1",
"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": 4171
}
},
"conversion": {
"name": "Lambert-93",
"method": {
"name": "Lambert Conic Conformal (2SP)",
"id": {
"authority": "EPSG",
"code": 9802
}
},
"parameters": [
{
"name": "Latitude of false origin",
"value": 46.5,
"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": 49,
"unit": "degree",
"id": {
"authority": "EPSG",
"code": 8823
}
},
{
"name": "Latitude of 2nd standard parallel",
"value": 44,
"unit": "degree",
"id": {
"authority": "EPSG",
"code": 8824
}
},
{
"name": "Easting at false origin",
"value": 700000,
"unit": "metre",
"id": {
"authority": "EPSG",
"code": 8826
}
},
{
"name": "Northing at false origin",
"value": 6600000,
"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"
}
]
}
},
{
"type": "VerticalCRS",
"name": "NGF-IGN78 height",
"datum": {
"type": "VerticalReferenceFrame",
"name": "Nivellement General de la France - IGN78"
},
"coordinate_system": {
"subtype": "vertical",
"axis": [
{
"name": "Gravity-related height",
"abbreviation": "H",
"direction": "up",
"unit": "metre"
}
]
}
}
],
"scope": "Engineering survey, topographic mapping.",
"area": "France - Corsica onshore.",
"bbox": {
"south_latitude": 41.31,
"west_longitude": 8.5,
"north_latitude": 43.07,
"east_longitude": 9.63
},
"id": {
"authority": "EPSG",
"code": 5699
}
}
{'crs_wkt': 'COMPOUNDCRS["RGF93 v1 / Lambert-93 + NGF-IGN78 '
'height",PROJCRS["RGF93 v1 / Lambert-93",BASEGEOGCRS["RGF93 '
'v1",DATUM["Reseau Geodesique Francais 1993 v1",ELLIPSOID["GRS '
'1980",6378137,298.257222101,LENGTHUNIT["metre",1]]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],ID["EPSG",4171]],CONVERSION["Lambert-93",METHOD["Lambert '
'Conic Conformal (2SP)",ID["EPSG",9802]],PARAMETER["Latitude of '
'false '
'origin",46.5,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",49,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8823]],PARAMETER["Latitude '
'of 2nd standard '
'parallel",44,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8824]],PARAMETER["Easting '
'at false '
'origin",700000,LENGTHUNIT["metre",1],ID["EPSG",8826]],PARAMETER["Northing '
'at false '
'origin",6600000,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]]],VERTCRS["NGF-IGN78 '
'height",VDATUM["Nivellement General de la France - '
'IGN78"],CS[vertical,1],AXIS["gravity-related height '
'(H)",up,LENGTHUNIT["metre",1]]],USAGE[SCOPE["Engineering survey, '
'topographic mapping."],AREA["France - Corsica '
'onshore."],BBOX[41.31,8.5,43.07,9.63]],ID["EPSG",5699]]',
'false_easting': 700000.0,
'false_northing': 6600000.0,
'geographic_crs_name': 'RGF93 v1',
'geopotential_datum_name': 'Nivellement General de la France - IGN78',
'grid_mapping_name': 'lambert_conformal_conic',
'horizontal_datum_name': 'Reseau Geodesique Francais 1993 v1',
'inverse_flattening': 298.257222101,
'latitude_of_projection_origin': 46.5,
'longitude_of_central_meridian': 3.0,
'longitude_of_prime_meridian': 0.0,
'prime_meridian_name': 'Greenwich',
'projected_crs_name': 'RGF93 v1 / Lambert-93',
'reference_ellipsoid_name': 'GRS 1980',
'semi_major_axis': 6378137.0,
'semi_minor_axis': 6356752.314140356,
'standard_parallel': (49.0, 44.0)}