| asProjJSON | {'$schema':'https://proj.org/schemas/v0.2/projjson.schema.json','type':'CompoundCRS','name':'HS2 Survey Grid + HS2-VRF height','components':[{'type':' (...)ProjectedCRS','name':'HS2 Survey Grid','base_crs':{'name':'HS2-IRF','datum':{'type':'GeodeticReferenceFrame','name':'HS2 Intermediate Reference Frame','ellipsoid':{'name':'GRS 1980','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':9299}},'conversion':{'name':'HS2-TM','method':{'name':'Transverse Mercator','id':{'authority':'EPSG','code':9807}},'parameters':[{'name':'Latitude of natural origin','value':52.3,'unit':'degree','id':{'authority':'EPSG','code':8801}},{'name':'Longitude of natural origin','value':-1.5,'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':198873.0046,'unit':'metre','id':{'authority':'EPSG','code':8806}},{'name':'False northing','value':375064.3871,'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'}]}},{'type':'VerticalCRS','name':'HS2-VRF height','datum':{'type':'VerticalReferenceFrame','name':'HS2 Vertical Reference Frame'},'coordinate_system':{'subtype':'vertical','axis':[{'name':'Gravity-related height','abbreviation':'H','direction':'up','unit':'metre'}]}}],'scope':'Engineering survey for HS2 project phases 1 and 2a.','area':'United Kingdom (UK) - HS2 phases 1 and 2a railway corridor from London to Birmingham, Lichfield and Crewe.','bbox':{'south_latitude':51.45,'west_longitude':-2.75,'north_latitude':53.3,'east_longitude':0},'id':{'authority':'EPSG','code':9306}} |
| asWKT | COMPOUNDCRS['HS2 Survey Grid + HS2-VRF height',PROJCRS['HS2 Survey Grid',BASEGEOGCRS['HS2-IRF',DATUM['HS2 Intermediate Reference Frame',ELLIPSOID['GRS (...) 1980',6378137,298.257222101,LENGTHUNIT['metre',1]]],PRIMEM['Greenwich',0,ANGLEUNIT['degree',0.0174532925199433]],ID['EPSG',9299]],CONVERSION['HS2-TM',METHOD['Transverse Mercator',ID['EPSG',9807]],PARAMETER['Latitude of natural origin',52.3,ANGLEUNIT['degree',0.0174532925199433],ID['EPSG',8801]],PARAMETER['Longitude of natural origin',-1.5,ANGLEUNIT['degree',0.0174532925199433],ID['EPSG',8802]],PARAMETER['Scale factor at natural origin',1,SCALEUNIT['unity',1],ID['EPSG',8805]],PARAMETER['False easting',198873.0046,LENGTHUNIT['metre',1],ID['EPSG',8806]],PARAMETER['False northing',375064.3871,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]]],VERTCRS['HS2-VRF height',VDATUM['HS2 Vertical Reference Frame'],CS[vertical,1],AXIS['gravity-related height (H)',up,LENGTHUNIT['metre',1]]],USAGE[SCOPE['Engineering survey for HS2 project phases 1 and 2a.'],AREA['United Kingdom (UK) - HS2 phases 1 and 2a railway corridor from London to Birmingham, Lichfield and Crewe.'],BBOX[51.45,-2.75,53.3,0]],ID['EPSG',9306]] |