metre
Spatial referencing.
None
Ireland - onshore. United Kingdom (UK) - Northern Ireland (Ulster) - onshore.
Data Source: EPSG v11.016 2024-08-31
Datum: IRENET95
Coordinate System: Undefined
Projection: Undefined
Geodetic CRS: Undefined
COMPOUNDCRS["ETRS89 / ITM + BI height",
PROJCRS["IRENET95 / Irish Transverse Mercator",
BASEGEOGCRS["IRENET95",
DATUM["IRENET95",
ELLIPSOID["GRS 1980",6378137,298.257222101,
LENGTHUNIT["metre",1]]],
PRIMEM["Greenwich",0,
ANGLEUNIT["degree",0.0174532925199433]],
ID["EPSG",4173]],
CONVERSION["Irish Transverse Mercator",
METHOD["Transverse Mercator",
ID["EPSG",9807]],
PARAMETER["Latitude of natural origin",53.5,
ANGLEUNIT["degree",0.0174532925199433],
ID["EPSG",8801]],
PARAMETER["Longitude of natural origin",-8,
ANGLEUNIT["degree",0.0174532925199433],
ID["EPSG",8802]],
PARAMETER["Scale factor at natural origin",0.99982,
SCALEUNIT["unity",1],
ID["EPSG",8805]],
PARAMETER["False easting",600000,
LENGTHUNIT["metre",1],
ID["EPSG",8806]],
PARAMETER["False northing",750000,
LENGTHUNIT["metre",1],
ID["EPSG",8807]]],
CS[Cartesian,2],
AXIS["(E)",east,
ORDER[1],
LENGTHUNIT["metre",1]],
AXIS["(N)",north,
ORDER[2],
LENGTHUNIT["metre",1]]],
VERTCRS["BI height",
ENSEMBLE["British Isles height ensemble",
MEMBER["Malin Head"],
MEMBER["Belfast Lough"],
MEMBER["Ordnance Datum Newlyn"],
MEMBER["Ordnance Datum Newlyn (Offshore)"],
MEMBER["Ordnance Datum Newlyn (Orkney Isles)"],
MEMBER["Lerwick"],
MEMBER["Stornoway"],
MEMBER["Douglas"],
MEMBER["St. Marys"],
ENSEMBLEACCURACY[0.4]],
CS[vertical,1],
AXIS["gravity-related height (H)",up,
LENGTHUNIT["metre",1]]],
USAGE[
SCOPE["Spatial referencing."],
AREA["Ireland - onshore. United Kingdom (UK) - Northern Ireland (Ulster) - onshore."],
BBOX[51.39,-10.56,55.43,-5.34]],
ID["EPSG",9922]]
{
"$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
"type": "CompoundCRS",
"name": "ETRS89 / ITM + BI height",
"components": [
{
"type": "ProjectedCRS",
"name": "IRENET95 / Irish Transverse Mercator",
"base_crs": {
"name": "IRENET95",
"datum": {
"type": "GeodeticReferenceFrame",
"name": "IRENET95",
"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": 4173
}
},
"conversion": {
"name": "Irish Transverse Mercator",
"method": {
"name": "Transverse Mercator",
"id": {
"authority": "EPSG",
"code": 9807
}
},
"parameters": [
{
"name": "Latitude of natural origin",
"value": 53.5,
"unit": "degree",
"id": {
"authority": "EPSG",
"code": 8801
}
},
{
"name": "Longitude of natural origin",
"value": -8,
"unit": "degree",
"id": {
"authority": "EPSG",
"code": 8802
}
},
{
"name": "Scale factor at natural origin",
"value": 0.99982,
"unit": "unity",
"id": {
"authority": "EPSG",
"code": 8805
}
},
{
"name": "False easting",
"value": 600000,
"unit": "metre",
"id": {
"authority": "EPSG",
"code": 8806
}
},
{
"name": "False northing",
"value": 750000,
"unit": "metre",
"id": {
"authority": "EPSG",
"code": 8807
}
}
]
},
"coordinate_system": {
"subtype": "Cartesian",
"axis": [
{
"name": "Easting",
"abbreviation": "E",
"direction": "east",
"unit": "metre"
},
{
"name": "Northing",
"abbreviation": "N",
"direction": "north",
"unit": "metre"
}
]
}
},
{
"type": "VerticalCRS",
"name": "BI height",
"datum_ensemble": {
"name": "British Isles height ensemble",
"members": [
{
"name": "Malin Head",
"id": {
"authority": "EPSG",
"code": 5130
}
},
{
"name": "Belfast Lough",
"id": {
"authority": "EPSG",
"code": 5131
}
},
{
"name": "Ordnance Datum Newlyn",
"id": {
"authority": "EPSG",
"code": 5101
}
},
{
"name": "Ordnance Datum Newlyn (Offshore)",
"id": {
"authority": "EPSG",
"code": 1164
}
},
{
"name": "Ordnance Datum Newlyn (Orkney Isles)",
"id": {
"authority": "EPSG",
"code": 5138
}
},
{
"name": "Lerwick",
"id": {
"authority": "EPSG",
"code": 5140
}
},
{
"name": "Stornoway",
"id": {
"authority": "EPSG",
"code": 5144
}
},
{
"name": "Douglas",
"id": {
"authority": "EPSG",
"code": 5148
}
},
{
"name": "St. Marys",
"id": {
"authority": "EPSG",
"code": 5147
}
}
],
"accuracy": "0.4",
"id": {
"authority": "EPSG",
"code": 1288
}
},
"coordinate_system": {
"subtype": "vertical",
"axis": [
{
"name": "Gravity-related height",
"abbreviation": "H",
"direction": "up",
"unit": "metre"
}
]
}
}
],
"scope": "Spatial referencing.",
"area": "Ireland - onshore. United Kingdom (UK) - Northern Ireland (Ulster) - onshore.",
"bbox": {
"south_latitude": 51.39,
"west_longitude": -10.56,
"north_latitude": 55.43,
"east_longitude": -5.34
},
"id": {
"authority": "EPSG",
"code": 9922
}
}
{'crs_wkt': 'COMPOUNDCRS["ETRS89 / ITM + BI height",PROJCRS["IRENET95 / Irish '
'Transverse '
'Mercator",BASEGEOGCRS["IRENET95",DATUM["IRENET95",ELLIPSOID["GRS '
'1980",6378137,298.257222101,LENGTHUNIT["metre",1]]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],ID["EPSG",4173]],CONVERSION["Irish '
'Transverse Mercator",METHOD["Transverse '
'Mercator",ID["EPSG",9807]],PARAMETER["Latitude of natural '
'origin",53.5,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8801]],PARAMETER["Longitude '
'of natural '
'origin",-8,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8802]],PARAMETER["Scale '
'factor at natural '
'origin",0.99982,SCALEUNIT["unity",1],ID["EPSG",8805]],PARAMETER["False '
'easting",600000,LENGTHUNIT["metre",1],ID["EPSG",8806]],PARAMETER["False '
'northing",750000,LENGTHUNIT["metre",1],ID["EPSG",8807]]],CS[Cartesian,2],AXIS["(E)",east,ORDER[1],LENGTHUNIT["metre",1]],AXIS["(N)",north,ORDER[2],LENGTHUNIT["metre",1]]],VERTCRS["BI '
'height",ENSEMBLE["British Isles height ensemble",MEMBER["Malin '
'Head"],MEMBER["Belfast Lough"],MEMBER["Ordnance Datum '
'Newlyn"],MEMBER["Ordnance Datum Newlyn '
'(Offshore)"],MEMBER["Ordnance Datum Newlyn (Orkney '
'Isles)"],MEMBER["Lerwick"],MEMBER["Stornoway"],MEMBER["Douglas"],MEMBER["St. '
'Marys"],ENSEMBLEACCURACY[0.4]],CS[vertical,1],AXIS["gravity-related '
'height (H)",up,LENGTHUNIT["metre",1]]],USAGE[SCOPE["Spatial '
'referencing."],AREA["Ireland - onshore. United Kingdom (UK) - '
'Northern Ireland (Ulster) - '
'onshore."],BBOX[51.39,-10.56,55.43,-5.34]],ID["EPSG",9922]]',
'false_easting': 600000.0,
'false_northing': 750000.0,
'geographic_crs_name': 'IRENET95',
'grid_mapping_name': 'transverse_mercator',
'horizontal_datum_name': 'IRENET95',
'inverse_flattening': 298.257222101,
'latitude_of_projection_origin': 53.5,
'longitude_of_central_meridian': -8.0,
'longitude_of_prime_meridian': 0.0,
'prime_meridian_name': 'Greenwich',
'projected_crs_name': 'IRENET95 / Irish Transverse Mercator',
'reference_ellipsoid_name': 'GRS 1980',
'scale_factor_at_central_meridian': 0.99982,
'semi_major_axis': 6378137.0,
'semi_minor_axis': 6356752.314140356}