| asProjJSON | {'$schema':'https://proj.org/schemas/v0.2/projjson.schema.json','type':'CompoundCRS','name':'NTF (Paris) + NGF IGN69 height','components':[{'type':'Ge (...)ographicCRS','name':'NTF (Paris)','datum':{'type':'GeodeticReferenceFrame','name':'Nouvelle Triangulation Francaise (Paris)','ellipsoid':{'name':'Clarke 1880 (IGN)','semi_major_axis':6378249.2,'semi_minor_axis':6356515},'prime_meridian':{'name':'Paris','longitude':{'value':2.5969213,'unit':{'type':'AngularUnit','name':'grad','conversion_factor':0.0157079632679489}}}},'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}}]}},{'type':'VerticalCRS','name':'NGF-IGN69 height','datum':{'type':'VerticalReferenceFrame','name':'Nivellement General de la France - IGN69'},'coordinate_system':{'subtype':'vertical','axis':[{'name':'Gravity-related height','abbreviation':'H','direction':'up','unit':'metre'}]}}],'scope':'Engineering survey, topographic mapping.','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':7400}} |
| asWKT | COMPOUNDCRS['NTF (Paris) + NGF IGN69 height',GEOGCRS['NTF (Paris)',DATUM['Nouvelle Triangulation Francaise (Paris)',ELLIPSOID['Clarke 1880 (IGN)',6378 (...)249.2,293.466021293627,LENGTHUNIT['metre',1]]],PRIMEM['Paris',2.5969213,ANGLEUNIT['grad',0.0157079632679489]],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]]],VERTCRS['NGF-IGN69 height',VDATUM['Nivellement General de la France - IGN69'],CS[vertical,1],AXIS['gravity-related height (H)',up,LENGTHUNIT['metre',1]]],USAGE[SCOPE['Engineering survey, topographic mapping.'],AREA['France - mainland onshore.'],BBOX[42.33,-4.87,51.14,8.23]],ID['EPSG',7400]] |