asProjJSON | {'$schema':'https://proj.org/schemas/v0.2/projjson.schema.json','type':'CompoundCRS','name':'RGF93 + NGF-IGN69 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-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':'Spatial referencing.','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':9538}} (geocrs:projJSONLiteral) |
asWKT | COMPOUNDCRS['RGF93 + NGF-IGN69 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-IGN69 height',VDATUM['Nivellement General de la France - IGN69'],CS[vertical,1],AXIS['gravity-related height (H)',up,LENGTHUNIT['metre',1]]],USAGE[SCOPE['Spatial referencing.'],AREA['France - mainland onshore.'],BBOX[42.33,-4.87,51.14,8.23]],ID['EPSG',9538]] (geocrs:wktLiteral) |