metre
Engineering survey, topographic mapping.
None
Canada - Nova Scotia - east of 63°W.
Data Source: EPSG v11.016 2024-08-31
Datum: Average Terrestrial System 1977
Coordinate System: cartesian
Projection: MTM Nova Scotia zone 4
Geodetic CRS: ATS77
PROJCRS["ATS77 / MTM Nova Scotia zone 4",
BASEGEOGCRS["ATS77",
DATUM["Average Terrestrial System 1977",
ELLIPSOID["Average Terrestrial System 1977",6378135,298.257,
LENGTHUNIT["metre",1]]],
PRIMEM["Greenwich",0,
ANGLEUNIT["degree",0.0174532925199433]],
ID["EPSG",4122]],
CONVERSION["MTM Nova Scotia zone 4",
METHOD["Transverse Mercator",
ID["EPSG",9807]],
PARAMETER["Latitude of natural origin",0,
ANGLEUNIT["degree",0.0174532925199433],
ID["EPSG",8801]],
PARAMETER["Longitude of natural origin",-61.5,
ANGLEUNIT["degree",0.0174532925199433],
ID["EPSG",8802]],
PARAMETER["Scale factor at natural origin",0.9999,
SCALEUNIT["unity",1],
ID["EPSG",8805]],
PARAMETER["False easting",4500000,
LENGTHUNIT["metre",1],
ID["EPSG",8806]],
PARAMETER["False northing",0,
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]],
USAGE[
SCOPE["Engineering survey, topographic mapping."],
AREA["Canada - Nova Scotia - east of 63°W."],
BBOX[44.64,-63,47.08,-59.73]],
ID["EPSG",2294]]
{
"$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
"type": "ProjectedCRS",
"name": "ATS77 / MTM Nova Scotia zone 4",
"base_crs": {
"name": "ATS77",
"datum": {
"type": "GeodeticReferenceFrame",
"name": "Average Terrestrial System 1977",
"ellipsoid": {
"name": "Average Terrestrial System 1977",
"semi_major_axis": 6378135,
"inverse_flattening": 298.257
}
},
"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": 4122
}
},
"conversion": {
"name": "MTM Nova Scotia zone 4",
"method": {
"name": "Transverse Mercator",
"id": {
"authority": "EPSG",
"code": 9807
}
},
"parameters": [
{
"name": "Latitude of natural origin",
"value": 0,
"unit": "degree",
"id": {
"authority": "EPSG",
"code": 8801
}
},
{
"name": "Longitude of natural origin",
"value": -61.5,
"unit": "degree",
"id": {
"authority": "EPSG",
"code": 8802
}
},
{
"name": "Scale factor at natural origin",
"value": 0.9999,
"unit": "unity",
"id": {
"authority": "EPSG",
"code": 8805
}
},
{
"name": "False easting",
"value": 4500000,
"unit": "metre",
"id": {
"authority": "EPSG",
"code": 8806
}
},
{
"name": "False northing",
"value": 0,
"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"
}
]
},
"scope": "Engineering survey, topographic mapping.",
"area": "Canada - Nova Scotia - east of 63°W.",
"bbox": {
"south_latitude": 44.64,
"west_longitude": -63,
"north_latitude": 47.08,
"east_longitude": -59.73
},
"id": {
"authority": "EPSG",
"code": 2294
}
}
{'crs_wkt': 'PROJCRS["ATS77 / MTM Nova Scotia zone '
'4",BASEGEOGCRS["ATS77",DATUM["Average Terrestrial System '
'1977",ELLIPSOID["Average Terrestrial System '
'1977",6378135,298.257,LENGTHUNIT["metre",1]]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],ID["EPSG",4122]],CONVERSION["MTM '
'Nova Scotia zone 4",METHOD["Transverse '
'Mercator",ID["EPSG",9807]],PARAMETER["Latitude of natural '
'origin",0,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8801]],PARAMETER["Longitude '
'of natural '
'origin",-61.5,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8802]],PARAMETER["Scale '
'factor at natural '
'origin",0.9999,SCALEUNIT["unity",1],ID["EPSG",8805]],PARAMETER["False '
'easting",4500000,LENGTHUNIT["metre",1],ID["EPSG",8806]],PARAMETER["False '
'northing",0,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]],USAGE[SCOPE["Engineering '
'survey, topographic mapping."],AREA["Canada - Nova Scotia - east '
'of 63°W."],BBOX[44.64,-63,47.08,-59.73]],ID["EPSG",2294]]',
'false_easting': 4500000.0,
'false_northing': 0.0,
'geographic_crs_name': 'ATS77',
'grid_mapping_name': 'transverse_mercator',
'horizontal_datum_name': 'Average Terrestrial System 1977',
'inverse_flattening': 298.257,
'latitude_of_projection_origin': 0.0,
'longitude_of_central_meridian': -61.5,
'longitude_of_prime_meridian': 0.0,
'prime_meridian_name': 'Greenwich',
'projected_crs_name': 'ATS77 / MTM Nova Scotia zone 4',
'reference_ellipsoid_name': 'Average Terrestrial System 1977',
'scale_factor_at_central_meridian': 0.9999,
'semi_major_axis': 6378135.0,
'semi_minor_axis': 6356750.304921594}