BOUNDCRS[SOURCECRS[BOUNDCRS[SOURCECRS[GEOGCRS["NTF (Paris)",DATUM["Nouvelle Triangulation Francaise (Paris)",ELLIPSOID["Clarke 1880 (IGN)",6378249.2,293.466021293627,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]],ID["EPSG",4807]]],TARGETCRS[GEOGCRS["NTF",DATUM["Nouvelle Triangulation Francaise",ELLIPSOID["Clarke 1880 (IGN)",6378249.2,293.466021293627,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]],ID["EPSG",4275]]],ABRIDGEDTRANSFORMATION["NTF (Paris) to NTF (1)",METHOD["Longitude rotation",ID["EPSG",9601]],PARAMETER["Longitude offset",8414.02501199997,ID["EPSG",8602]],ID["EPSG",1763]]]],TARGETCRS[GEOGCRS["RGF93 v1",DATUM["Reseau Geodesique Francais 1993 v1",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]],USAGE[SCOPE["Horizontal component of 3D system."],AREA["France - onshore and offshore, mainland and Corsica (France métropolitaine including Corsica)."],BBOX[41.15,-9.86,51.56,10.38]],ID["EPSG",4171]]],ABRIDGEDTRANSFORMATION["Inverse of RGF93 v1 to NTF (2)",METHOD["Inverse of NTv2",ID["INVERSE(EPSG)",9615]],PARAMETERFILE["Latitude and longitude difference file","rgf93_ntf.gsb"],USAGE[SCOPE["Transformation of coordinates at 1m level of accuracy."],AREA["France - onshore - mainland and Corsica."],BBOX[41.31,-4.87,51.14,9.63]],ID["INVERSE(EPSG)",15958],REMARK["Emulation using NTv2 method of NTF to RGF93 v1 (1), code 9327. Note that grid file parameters are of opposite sign. May be taken as approximate CT to ETRS89 or WGS 84 (see codes 15959 and 15960). Also used to transform later realizations of RGF93 to NTF."]]]