metre
Engineering survey and topographic mapping for railway applications.
None
United Kingdom (UK) - on or related to the rail route from Crewe via Chester to Holyhead.
Data Source: EPSG v11.022 2024-11-05
Datum: CNH22 Intermediate Reference Frame
Coordinate System: Undefined
Projection: Undefined
Geodetic CRS: Undefined
COMPOUNDCRS["CNH22 Grid + ODN height",
PROJCRS["CNH22 Grid",
BASEGEOGCRS["CNH22-IRF",
DATUM["CNH22 Intermediate Reference Frame",
ELLIPSOID["GRS 1980",6378137,298.257222101,
LENGTHUNIT["metre",1]]],
PRIMEM["Greenwich",0,
ANGLEUNIT["degree",0.0174532925199433]],
ID["EPSG",10191]],
CONVERSION["CNH22-LCC",
METHOD["Lambert Conic Conformal (2SP)",
ID["EPSG",9802]],
PARAMETER["Latitude of false origin",53.25,
ANGLEUNIT["degree",0.0174532925199433],
ID["EPSG",8821]],
PARAMETER["Longitude of false origin",-3.5,
ANGLEUNIT["degree",0.0174532925199433],
ID["EPSG",8822]],
PARAMETER["Latitude of 1st standard parallel",53.1,
ANGLEUNIT["degree",0.0174532925199433],
ID["EPSG",8823]],
PARAMETER["Latitude of 2nd standard parallel",53.4,
ANGLEUNIT["degree",0.0174532925199433],
ID["EPSG",8824]],
PARAMETER["Easting at false origin",212548.8756,
LENGTHUNIT["metre",1],
ID["EPSG",8826]],
PARAMETER["Northing at false origin",495230.9254,
LENGTHUNIT["metre",1],
ID["EPSG",8827]]],
CS[Cartesian,2],
AXIS["(E)",east,
ORDER[1],
LENGTHUNIT["metre",1]],
AXIS["(N)",north,
ORDER[2],
LENGTHUNIT["metre",1]]],
VERTCRS["ODN height",
VDATUM["Ordnance Datum Newlyn"],
CS[vertical,1],
AXIS["gravity-related height (H)",up,
LENGTHUNIT["metre",1]]],
USAGE[
SCOPE["Engineering survey and topographic mapping for railway applications."],
AREA["United Kingdom (UK) - on or related to the rail route from Crewe via Chester to Holyhead."],
BBOX[53.02,-4.71,53.46,-2.28]],
ID["EPSG",10195]]
{
"$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
"type": "CompoundCRS",
"name": "CNH22 Grid + ODN height",
"components": [
{
"type": "ProjectedCRS",
"name": "CNH22 Grid",
"base_crs": {
"name": "CNH22-IRF",
"datum": {
"type": "GeodeticReferenceFrame",
"name": "CNH22 Intermediate Reference Frame",
"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": 10191
}
},
"conversion": {
"name": "CNH22-LCC",
"method": {
"name": "Lambert Conic Conformal (2SP)",
"id": {
"authority": "EPSG",
"code": 9802
}
},
"parameters": [
{
"name": "Latitude of false origin",
"value": 53.25,
"unit": "degree",
"id": {
"authority": "EPSG",
"code": 8821
}
},
{
"name": "Longitude of false origin",
"value": -3.5,
"unit": "degree",
"id": {
"authority": "EPSG",
"code": 8822
}
},
{
"name": "Latitude of 1st standard parallel",
"value": 53.1,
"unit": "degree",
"id": {
"authority": "EPSG",
"code": 8823
}
},
{
"name": "Latitude of 2nd standard parallel",
"value": 53.4,
"unit": "degree",
"id": {
"authority": "EPSG",
"code": 8824
}
},
{
"name": "Easting at false origin",
"value": 212548.8756,
"unit": "metre",
"id": {
"authority": "EPSG",
"code": 8826
}
},
{
"name": "Northing at false origin",
"value": 495230.9254,
"unit": "metre",
"id": {
"authority": "EPSG",
"code": 8827
}
}
]
},
"coordinate_system": {
"subtype": "Cartesian",
"axis": [
{
"name": "Easting",
"abbreviation": "E",
"direction": "east",
"unit": "metre"
},
{
"name": "Northing",
"abbreviation": "N",
"direction": "north",
"unit": "metre"
}
]
}
},
{
"type": "VerticalCRS",
"name": "ODN height",
"datum": {
"type": "VerticalReferenceFrame",
"name": "Ordnance Datum Newlyn"
},
"coordinate_system": {
"subtype": "vertical",
"axis": [
{
"name": "Gravity-related height",
"abbreviation": "H",
"direction": "up",
"unit": "metre"
}
]
}
}
],
"scope": "Engineering survey and topographic mapping for railway applications.",
"area": "United Kingdom (UK) - on or related to the rail route from Crewe via Chester to Holyhead.",
"bbox": {
"south_latitude": 53.02,
"west_longitude": -4.71,
"north_latitude": 53.46,
"east_longitude": -2.28
},
"id": {
"authority": "EPSG",
"code": 10195
}
}
{'crs_wkt': 'COMPOUNDCRS["CNH22 Grid + ODN height",PROJCRS["CNH22 '
'Grid",BASEGEOGCRS["CNH22-IRF",DATUM["CNH22 Intermediate Reference '
'Frame",ELLIPSOID["GRS '
'1980",6378137,298.257222101,LENGTHUNIT["metre",1]]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],ID["EPSG",10191]],CONVERSION["CNH22-LCC",METHOD["Lambert '
'Conic Conformal (2SP)",ID["EPSG",9802]],PARAMETER["Latitude of '
'false '
'origin",53.25,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8821]],PARAMETER["Longitude '
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'origin",-3.5,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8822]],PARAMETER["Latitude '
'of 1st standard '
'parallel",53.1,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8823]],PARAMETER["Latitude '
'of 2nd standard '
'parallel",53.4,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8824]],PARAMETER["Easting '
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'origin",212548.8756,LENGTHUNIT["metre",1],ID["EPSG",8826]],PARAMETER["Northing '
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'Newlyn"],CS[vertical,1],AXIS["gravity-related height '
'(H)",up,LENGTHUNIT["metre",1]]],USAGE[SCOPE["Engineering survey '
'and topographic mapping for railway applications."],AREA["United '
'Kingdom (UK) - on or related to the rail route from Crewe via '
'Chester to '
'Holyhead."],BBOX[53.02,-4.71,53.46,-2.28]],ID["EPSG",10195]]',
'false_easting': 212548.8756,
'false_northing': 495230.9254,
'geographic_crs_name': 'CNH22-IRF',
'geopotential_datum_name': 'Ordnance Datum Newlyn',
'grid_mapping_name': 'lambert_conformal_conic',
'horizontal_datum_name': 'CNH22 Intermediate Reference Frame',
'inverse_flattening': 298.257222101,
'latitude_of_projection_origin': 53.25,
'longitude_of_central_meridian': -3.5,
'longitude_of_prime_meridian': 0.0,
'prime_meridian_name': 'Greenwich',
'projected_crs_name': 'CNH22 Grid',
'reference_ellipsoid_name': 'GRS 1980',
'semi_major_axis': 6378137.0,
'semi_minor_axis': 6356752.314140356,
'standard_parallel': (53.1, 53.4)}