| asProjJSON | {'$schema':'https://proj.org/schemas/v0.2/projjson.schema.json','type':'CompoundCRS','name':'RGF93 + NGF-IGN78 height','components':[{'type':'Geograph (...)icCRS','name':'RGF93','datum':{'type':'GeodeticReferenceFrame','name':'Reseau Geodesique Francais 1993','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'}]}},{'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':'Spatial referencing.','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':9539}} |
| asWKT | COMPOUNDCRS['RGF93 + NGF-IGN78 height',GEOGCRS['RGF93',DATUM['Reseau Geodesique Francais 1993',ELLIPSOID['GRS 1980',6378137,298.257222101,LENGTHUNIT[' (...)metre',1]]],PRIMEM['Greenwich',0,ANGLEUNIT['degree',0.0174532925199433]],CS[ellipsoidal,2],AXIS['geodetic latitude (Lat)',north,ORDER[1],ANGLEUNIT['degree',0.0174532925199433]],AXIS['geodetic longitude (Lon)',east,ORDER[2],ANGLEUNIT['degree',0.0174532925199433]]],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['Spatial referencing.'],AREA['France - Corsica onshore.'],BBOX[41.31,8.5,43.07,9.63]],ID['EPSG',9539]] |