Well Known Text
 
WKT Version 2
COORDINATEOPERATION["NZGD2000 to NZVD2016 height (2)",VERSION["LINZ-NZ 2016 gtx"],SOURCECRS[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,3,ID["EPSG",6423]],AXIS["Geodetic latitude (Lat)",north,ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]]],AXIS["Geodetic longitude (Lon)",east,ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]]],AXIS["Ellipsoidal height (h)",up,LENGTHUNIT["metre",1,ID["EPSG",9001]]],ID["EPSG",4959]]],TARGETCRS[VERTCRS["NZVD2016 height",VDATUM["New Zealand Vertical Datum 2016",ID["EPSG",1169]],CS[vertical,1,ID["EPSG",6499]],AXIS["Gravity-related height (H)",up],LENGTHUNIT["metre",1,ID["EPSG",9001]],GEOIDMODEL["NZGD2000 to NZVD2016 height (1)",ID["EPSG",7840]],ID["EPSG",7839]]],METHOD["Geographic3D to GravityRelatedHeight (gtx)",ID["EPSG",9665]],PARAMETERFILE["Geoid (height correction) model file","nzgeoid2016.gtx",ID["EPSG",8666]],OPERATIONACCURACY[0.1],ID["EPSG",9326]]


