| asProjJSON | {'$schema':'https://proj.org/schemas/v0.2/projjson.schema.json','type':'CompoundCRS','name':'NTF (Paris) / Lambert zone IV + NGF-IGN78 height','compon (...)ents':[{'type':'ProjectedCRS','name':'NTF (Paris) / Lambert zone IV','base_crs':{'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}}]},'id':{'authority':'EPSG','code':4807}},'conversion':{'name':'Lambert zone IV','method':{'name':'Lambert Conic Conformal (1SP)','id':{'authority':'EPSG','code':9801}},'parameters':[{'name':'Latitude of natural origin','value':46.85,'unit':{'type':'AngularUnit','name':'grad','conversion_factor':0.0157079632679489},'id':{'authority':'EPSG','code':8801}},{'name':'Longitude of natural origin','value':0,'unit':{'type':'AngularUnit','name':'grad','conversion_factor':0.0157079632679489},'id':{'authority':'EPSG','code':8802}},{'name':'Scale factor at natural origin','value':0.99994471,'unit':'unity','id':{'authority':'EPSG','code':8805}},{'name':'False easting','value':234.358,'unit':'metre','id':{'authority':'EPSG','code':8806}},{'name':'False northing','value':4185861.369,'unit':'metre','id':{'authority':'EPSG','code':8807}}]},'coordinate_system':{'subtype':'Cartesian','axis':[{'name':'Easting','abbreviation':'X','direction':'east','unit':'metre'},{'name':'Northing','abbreviation':'Y','direction':'north','unit':'metre'}]}},{'type':'VerticalCRS','name':'NGF-IGN78 height','datum':{'type':'VerticalReferenceFrame','name':'Nivellement General de la France - IGN78'},'coordinate_system':{'subtype':'vertical','axis':[{'name':'Gravity-related height','abbreviation':'H','direction':'up','unit':'metre'}]}}],'scope':'Engineering survey, topographic mapping.','area':'France - Corsica onshore.','bbox':{'south_latitude':41.31,'west_longitude':8.5,'north_latitude':43.07,'east_longitude':9.63},'id':{'authority':'EPSG','code':5708}} |
| asWKT | COMPOUNDCRS['NTF (Paris) / Lambert zone IV + NGF-IGN78 height',PROJCRS['NTF (Paris) / Lambert zone IV',BASEGEOGCRS['NTF (Paris)',DATUM['Nouvelle Trian (...)gulation Francaise (Paris)',ELLIPSOID['Clarke 1880 (IGN)',6378249.2,293.466021293627,LENGTHUNIT['metre',1]]],PRIMEM['Paris',2.5969213,ANGLEUNIT['grad',0.0157079632679489]],ID['EPSG',4807]],CONVERSION['Lambert zone IV',METHOD['Lambert Conic Conformal (1SP)',ID['EPSG',9801]],PARAMETER['Latitude of natural origin',46.85,ANGLEUNIT['grad',0.0157079632679489],ID['EPSG',8801]],PARAMETER['Longitude of natural origin',0,ANGLEUNIT['grad',0.0157079632679489],ID['EPSG',8802]],PARAMETER['Scale factor at natural origin',0.99994471,SCALEUNIT['unity',1],ID['EPSG',8805]],PARAMETER['False easting',234.358,LENGTHUNIT['metre',1],ID['EPSG',8806]],PARAMETER['False northing',4185861.369,LENGTHUNIT['metre',1],ID['EPSG',8807]]],CS[Cartesian,2],AXIS['easting (X)',east,ORDER[1],LENGTHUNIT['metre',1]],AXIS['northing (Y)',north,ORDER[2],LENGTHUNIT['metre',1]]],VERTCRS['NGF-IGN78 height',VDATUM['Nivellement General de la France - IGN78'],CS[vertical,1],AXIS['gravity-related height (H)',up,LENGTHUNIT['metre',1]]],USAGE[SCOPE['Engineering survey, topographic mapping.'],AREA['France - Corsica onshore.'],BBOX[41.31,8.5,43.07,9.63]],ID['EPSG',5708]] |