Well Known Text
WKT Version 2
COORDINATEOPERATION["CI1979 to NZGD2000 (1)",VERSION["OSG-Nzl CI"],SOURCECRS[GEOGCRS["Chatham Islands 1979",DATUM["Chatham Islands Datum 1979",ELLIPSOID["International 1924",6378388,297,LENGTHUNIT["metre",1,ID["EPSG",9001]],ID["EPSG",7022]],ID["EPSG",6673]],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",4673]]],TARGETCRS[GEOGCRS["NZGD2000",DATUM["New Zealand Geodetic Datum 2000",ELLIPSOID["GRS 1980",6378137,298.257222101,LENGTHUNIT["metre",1,ID["EPSG",9001]],ID["EPSG",7019]],ID["EPSG",6167]],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",4167]]],METHOD["Coordinate Frame rotation (geog2D domain)",ID["EPSG",9607]],PARAMETER["X-axis translation",174.05,LENGTHUNIT["metre",1,ID["EPSG",9001]],ID["EPSG",8605]],PARAMETER["Y-axis translation",-25.49,LENGTHUNIT["metre",1,ID["EPSG",9001]],ID["EPSG",8606]],PARAMETER["Z-axis translation",112.57,LENGTHUNIT["metre",1,ID["EPSG",9001]],ID["EPSG",8607]],PARAMETER["X-axis rotation",0,ANGLEUNIT["arc-second",0.0000048481368111,ID["EPSG",9104]],ID["EPSG",8608]],PARAMETER["Y-axis rotation",0,ANGLEUNIT["arc-second",0.0000048481368111,ID["EPSG",9104]],ID["EPSG",8609]],PARAMETER["Z-axis rotation",-0.554,ANGLEUNIT["arc-second",0.0000048481368111,ID["EPSG",9104]],ID["EPSG",8610]],PARAMETER["Scale difference",0.2263,SCALEUNIT["parts per million",0.000001,ID["EPSG",9202]],ID["EPSG",8611]],OPERATIONACCURACY[2],ID["EPSG",1082]]