| asProjJSON | {'$schema':'https://proj.org/schemas/v0.2/projjson.schema.json','type':'GeographicCRS','name':'ATF (Paris)','datum':{'type':'GeodeticReferenceFrame',' (...)name':'Ancienne Triangulation Francaise (Paris)','ellipsoid':{'name':'Plessis 1817','semi_major_axis':6376523,'inverse_flattening':308.64},'prime_meridian':{'name':'Paris RGS','longitude':2.33720833333333}},'coordinate_system':{'subtype':'ellipsoidal','axis':[{'name':'Geodetic latitude','abbreviation':'Lat','direction':'north','unit':{'type':'AngularUnit','name':'grad','conversion_factor':0.0157079632679489}},{'name':'Geodetic longitude','abbreviation':'Lon','direction':'east','unit':{'type':'AngularUnit','name':'grad','conversion_factor':0.0157079632679489}}]},'scope':'Geodesy.','area':'France - mainland onshore.','bbox':{'south_latitude':42.33,'west_longitude':-4.87,'north_latitude':51.14,'east_longitude':8.23},'id':{'authority':'EPSG','code':4901}} |
| asWKT | GEOGCRS['ATF (Paris)',DATUM['Ancienne Triangulation Francaise (Paris)',ELLIPSOID['Plessis 1817',6376523,308.64,LENGTHUNIT['metre',1]]],PRIMEM['Paris R (...)GS',2.33720833333333,ANGLEUNIT['degree',0.0174532925199433]],CS[ellipsoidal,2],AXIS['geodetic latitude (Lat)',north,ORDER[1],ANGLEUNIT['grad',0.0157079632679489]],AXIS['geodetic longitude (Lon)',east,ORDER[2],ANGLEUNIT['grad',0.0157079632679489]],USAGE[SCOPE['Geodesy.'],AREA['France - mainland onshore.'],BBOX[42.33,-4.87,51.14,8.23]],ID['EPSG',4901]] |