metre
Not known.
None
Canada - Alberta - between 118°30'W and 115°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 117 W
Geodetic CRS: NAD27
PROJCRS["NAD_1927_3TM_117",
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 117 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",-117,
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["Not known."],
AREA["Canada - Alberta - between 118°30'W and 115°30' W."],
BBOX[50.77,-118.5,60,-115.5]],
ID["ESRI",102182]]
{
"$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
"type": "ProjectedCRS",
"name": "NAD_1927_3TM_117",
"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 117 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": -117,
"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": "Not known.",
"area": "Canada - Alberta - between 118°30'W and 115°30' W.",
"bbox": {
"south_latitude": 50.77,
"west_longitude": -118.5,
"north_latitude": 60,
"east_longitude": -115.5
},
"id": {
"authority": "ESRI",
"code": 102182
}
}
{'crs_wkt': 'PROJCRS["NAD_1927_3TM_117",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 117 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",-117,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["Not '
'known."],AREA["Canada - Alberta - between 118°30\'W and 115°30\' '
'W."],BBOX[50.77,-118.5,60,-115.5]],ID["ESRI",102182]]',
'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': -117.0,
'longitude_of_prime_meridian': 0.0,
'prime_meridian_name': 'Greenwich',
'projected_crs_name': 'NAD_1927_3TM_117',
'reference_ellipsoid_name': 'Clarke 1866',
'scale_factor_at_central_meridian': 0.9999,
'semi_major_axis': 6378206.4,
'semi_minor_axis': 6356583.8}