metre
Not known.
None
Taiwan, Republic of China - onshore - Taiwan Island.
Data Source: EPSG v11.016 2024-08-31
Datum: Taiwan Datum 1967
Coordinate System: cartesian
Projection: Taiwan 2-degree TM zone 121
Geodetic CRS: TWD67
PROJCRS["TWD_1967_TM_Taiwan",
BASEGEOGCRS["TWD67",
DATUM["Taiwan Datum 1967",
ELLIPSOID["GRS 1967 Modified",6378160,298.25,
LENGTHUNIT["metre",1]]],
PRIMEM["Greenwich",0,
ANGLEUNIT["degree",0.0174532925199433]],
ID["EPSG",3821]],
CONVERSION["Taiwan 2-degree TM zone 121",
METHOD["Transverse Mercator",
ID["EPSG",9807]],
PARAMETER["Latitude of natural origin",0,
ANGLEUNIT["degree",0.0174532925199433],
ID["EPSG",8801]],
PARAMETER["Longitude of natural origin",121,
ANGLEUNIT["degree",0.0174532925199433],
ID["EPSG",8802]],
PARAMETER["Scale factor at natural origin",0.9999,
SCALEUNIT["unity",1],
ID["EPSG",8805]],
PARAMETER["False easting",250000,
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["Taiwan, Republic of China - onshore - Taiwan Island."],
BBOX[21.87,119.99,25.34,122.06]],
ID["ESRI",102441]]
{
"$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
"type": "ProjectedCRS",
"name": "TWD_1967_TM_Taiwan",
"base_crs": {
"name": "TWD67",
"datum": {
"type": "GeodeticReferenceFrame",
"name": "Taiwan Datum 1967",
"ellipsoid": {
"name": "GRS 1967 Modified",
"semi_major_axis": 6378160,
"inverse_flattening": 298.25
}
},
"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": 3821
}
},
"conversion": {
"name": "Taiwan 2-degree TM zone 121",
"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": 121,
"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": 250000,
"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": "Taiwan, Republic of China - onshore - Taiwan Island.",
"bbox": {
"south_latitude": 21.87,
"west_longitude": 119.99,
"north_latitude": 25.34,
"east_longitude": 122.06
},
"id": {
"authority": "ESRI",
"code": 102441
}
}
{'crs_wkt': 'PROJCRS["TWD_1967_TM_Taiwan",BASEGEOGCRS["TWD67",DATUM["Taiwan '
'Datum 1967",ELLIPSOID["GRS 1967 '
'Modified",6378160,298.25,LENGTHUNIT["metre",1]]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],ID["EPSG",3821]],CONVERSION["Taiwan '
'2-degree TM zone 121",METHOD["Transverse '
'Mercator",ID["EPSG",9807]],PARAMETER["Latitude of natural '
'origin",0,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8801]],PARAMETER["Longitude '
'of natural '
'origin",121,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8802]],PARAMETER["Scale '
'factor at natural '
'origin",0.9999,SCALEUNIT["unity",1],ID["EPSG",8805]],PARAMETER["False '
'easting",250000,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["Taiwan, Republic of China - onshore - Taiwan '
'Island."],BBOX[21.87,119.99,25.34,122.06]],ID["ESRI",102441]]',
'false_easting': 250000.0,
'false_northing': 0.0,
'geographic_crs_name': 'TWD67',
'grid_mapping_name': 'transverse_mercator',
'horizontal_datum_name': 'Taiwan Datum 1967',
'inverse_flattening': 298.25,
'latitude_of_projection_origin': 0.0,
'longitude_of_central_meridian': 121.0,
'longitude_of_prime_meridian': 0.0,
'prime_meridian_name': 'Greenwich',
'projected_crs_name': 'TWD_1967_TM_Taiwan',
'reference_ellipsoid_name': 'GRS 1967 Modified',
'scale_factor_at_central_meridian': 0.9999,
'semi_major_axis': 6378160.0,
'semi_minor_axis': 6356774.719195305}