| asProjJSON | {'$schema':'https://proj.org/schemas/v0.2/projjson.schema.json','type':'ProjectedCRS','name':'CGCS2000 / 3-degree Gauss-Kruger CM 123E','base_crs':{'n (...)ame':'China Geodetic Coordinate System 2000','datum':{'type':'GeodeticReferenceFrame','name':'China 2000','ellipsoid':{'name':'CGCS2000','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':4490}},'conversion':{'name':'Gauss-Kruger CM 123E','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':123,'unit':'degree','id':{'authority':'EPSG','code':8802}},{'name':'Scale factor at natural origin','value':1,'unit':'unity','id':{'authority':'EPSG','code':8805}},{'name':'False easting','value':500000,'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':'Northing','abbreviation':'X','direction':'north','unit':'metre'},{'name':'Easting','abbreviation':'Y','direction':'east','unit':'metre'}]},'scope':'Cadastre, engineering survey, topographic mapping (large scale).','area':'China - onshore between 121°30'E and 124°30'E.','bbox':{'south_latitude':28.22,'west_longitude':121.5,'north_latitude':53.56,'east_longitude':124.5},'id':{'authority':'EPSG','code':4550}} |
| asWKT | PROJCRS['CGCS2000 / 3-degree Gauss-Kruger CM 123E',BASEGEOGCRS['China Geodetic Coordinate System 2000',DATUM['China 2000',ELLIPSOID['CGCS2000',6378137 (...),298.257222101,LENGTHUNIT['metre',1]]],PRIMEM['Greenwich',0,ANGLEUNIT['degree',0.0174532925199433]],ID['EPSG',4490]],CONVERSION['Gauss-Kruger CM 123E',METHOD['Transverse Mercator',ID['EPSG',9807]],PARAMETER['Latitude of natural origin',0,ANGLEUNIT['degree',0.0174532925199433],ID['EPSG',8801]],PARAMETER['Longitude of natural origin',123,ANGLEUNIT['degree',0.0174532925199433],ID['EPSG',8802]],PARAMETER['Scale factor at natural origin',1,SCALEUNIT['unity',1],ID['EPSG',8805]],PARAMETER['False easting',500000,LENGTHUNIT['metre',1],ID['EPSG',8806]],PARAMETER['False northing',0,LENGTHUNIT['metre',1],ID['EPSG',8807]]],CS[Cartesian,2],AXIS['northing (X)',north,ORDER[1],LENGTHUNIT['metre',1]],AXIS['easting (Y)',east,ORDER[2],LENGTHUNIT['metre',1]],USAGE[SCOPE['Cadastre, engineering survey, topographic mapping (large scale).'],AREA['China - onshore between 121°30'E and 124°30'E.'],BBOX[28.22,121.5,53.56,124.5]],ID['EPSG',4550]] |