metre
Cadastre, survey control and engineering survey in urban areas, typically in all municipalities that previously comprised the 73 Municipal Integrated Surveying and Mapping (MISAM) areas, also known as urban cadastral map areas. For rural areas use UTM.
None
Canada - Alberta - east of 112°30'W.
Data Source: EPSG v11.016 2024-08-31
Datum: North American Datum 1927
Coordinate System: cartesian
Projection: Alberta 3-degree TM reference meridian 111 W
Geodetic CRS: NAD27
PROJCRS["NAD27 / Alberta 3TM ref merid 111 W",
BASEGEOGCRS["NAD27",
DATUM["North American Datum 1927",
ELLIPSOID["Clarke 1866",6378206.4,294.978698213898,
LENGTHUNIT["metre",1]]],
PRIMEM["Greenwich",0,
ANGLEUNIT["degree",0.0174532925199433]],
ID["EPSG",4267]],
CONVERSION["Alberta 3-degree TM reference meridian 111 W",
METHOD["Transverse Mercator",
ID["EPSG",9807]],
PARAMETER["Latitude of natural origin",0,
ANGLEUNIT["degree",0.0174532925199433],
ID["EPSG",8801]],
PARAMETER["Longitude of natural origin",-111,
ANGLEUNIT["degree",0.0174532925199433],
ID["EPSG",8802]],
PARAMETER["Scale factor at natural origin",0.9999,
SCALEUNIT["unity",1],
ID["EPSG",8805]],
PARAMETER["False easting",0,
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["Cadastre, survey control and engineering survey in urban areas, typically in all municipalities that previously comprised the 73 Municipal Integrated Surveying and Mapping (MISAM) areas, also known as urban cadastral map areas. For rural areas use UTM."],
AREA["Canada - Alberta - east of 112°30'W."],
BBOX[48.99,-112.5,60,-109.98]],
ID["EPSG",3771]]
{
"$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
"type": "ProjectedCRS",
"name": "NAD27 / Alberta 3TM ref merid 111 W",
"base_crs": {
"name": "NAD27",
"datum": {
"type": "GeodeticReferenceFrame",
"name": "North American Datum 1927",
"ellipsoid": {
"name": "Clarke 1866",
"semi_major_axis": 6378206.4,
"semi_minor_axis": 6356583.8
}
},
"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": 4267
}
},
"conversion": {
"name": "Alberta 3-degree TM reference meridian 111 W",
"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": -111,
"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": 0,
"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": "Cadastre, survey control and engineering survey in urban areas, typically in all municipalities that previously comprised the 73 Municipal Integrated Surveying and Mapping (MISAM) areas, also known as urban cadastral map areas. For rural areas use UTM.",
"area": "Canada - Alberta - east of 112°30'W.",
"bbox": {
"south_latitude": 48.99,
"west_longitude": -112.5,
"north_latitude": 60,
"east_longitude": -109.98
},
"id": {
"authority": "EPSG",
"code": 3771
}
}
{'crs_wkt': 'PROJCRS["NAD27 / Alberta 3TM ref merid 111 '
'W",BASEGEOGCRS["NAD27",DATUM["North American Datum '
'1927",ELLIPSOID["Clarke '
'1866",6378206.4,294.978698213898,LENGTHUNIT["metre",1]]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],ID["EPSG",4267]],CONVERSION["Alberta '
'3-degree TM reference meridian 111 W",METHOD["Transverse '
'Mercator",ID["EPSG",9807]],PARAMETER["Latitude of natural '
'origin",0,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8801]],PARAMETER["Longitude '
'of natural '
'origin",-111,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8802]],PARAMETER["Scale '
'factor at natural '
'origin",0.9999,SCALEUNIT["unity",1],ID["EPSG",8805]],PARAMETER["False '
'easting",0,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["Cadastre, '
'survey control and engineering survey in urban areas, typically '
'in all municipalities that previously comprised the 73 Municipal '
'Integrated Surveying and Mapping (MISAM) areas, also known as '
'urban cadastral map areas. For rural areas use '
'UTM."],AREA["Canada - Alberta - east of '
'112°30\'W."],BBOX[48.99,-112.5,60,-109.98]],ID["EPSG",3771]]',
'false_easting': 0.0,
'false_northing': 0.0,
'geographic_crs_name': 'NAD27',
'grid_mapping_name': 'transverse_mercator',
'horizontal_datum_name': 'North American Datum 1927',
'inverse_flattening': 294.9786982138982,
'latitude_of_projection_origin': 0.0,
'longitude_of_central_meridian': -111.0,
'longitude_of_prime_meridian': 0.0,
'prime_meridian_name': 'Greenwich',
'projected_crs_name': 'NAD27 / Alberta 3TM ref merid 111 W',
'reference_ellipsoid_name': 'Clarke 1866',
'scale_factor_at_central_meridian': 0.9999,
'semi_major_axis': 6378206.4,
'semi_minor_axis': 6356583.8}