Well Known Text
WKT Version 2
COORDINATEOPERATION["RGF93 v2 to RGF93 v2b",VERSION["IGN-Fra"],SOURCECRS[GEOGCRS["RGF93 v2",DATUM["Reseau Geodesique Francais 1993 v2",ELLIPSOID["GRS 1980",6378137,298.257222101,LENGTHUNIT["metre",1,ID["EPSG",9001]],ID["EPSG",7019]],ID["EPSG",1312]],CS[ellipsoidal,2,ID["EPSG",6422]],AXIS["Geodetic latitude (Lat)",north],AXIS["Geodetic longitude (Lon)",east],ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],ID["EPSG",9777]]],TARGETCRS[GEOGCRS["RGF93 v2b",DATUM["Reseau Geodesique Francais 1993 v2b",ELLIPSOID["GRS 1980",6378137,298.257222101,LENGTHUNIT["metre",1,ID["EPSG",9001]],ID["EPSG",7019]],ID["EPSG",1313]],CS[ellipsoidal,2,ID["EPSG",6422]],AXIS["Geodetic latitude (Lat)",north],AXIS["Geodetic longitude (Lon)",east],ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],ID["EPSG",9782]]],METHOD["Position Vector transformation (geog2D domain)",ID["EPSG",9606]],PARAMETER["X-axis translation",-0.017,LENGTHUNIT["metre",1,ID["EPSG",9001]],ID["EPSG",8605]],PARAMETER["Y-axis translation",0.058,LENGTHUNIT["metre",1,ID["EPSG",9001]],ID["EPSG",8606]],PARAMETER["Z-axis translation",0.009,LENGTHUNIT["metre",1,ID["EPSG",9001]],ID["EPSG",8607]],PARAMETER["X-axis rotation",0.001305,ANGLEUNIT["arc-second",0.0000048481368111,ID["EPSG",9104]],ID["EPSG",8608]],PARAMETER["Y-axis rotation",0.00068,ANGLEUNIT["arc-second",0.0000048481368111,ID["EPSG",9104]],ID["EPSG",8609]],PARAMETER["Z-axis rotation",-0.001467,ANGLEUNIT["arc-second",0.0000048481368111,ID["EPSG",9104]],ID["EPSG",8610]],PARAMETER["Scale difference",-0.00072,SCALEUNIT["parts per million",0.000001,ID["EPSG",9202]],ID["EPSG",8611]],OPERATIONACCURACY[0.005],ID["EPSG",9788]]