mswkt = '''VERT_CS["Gisborne 1926 height",VERT_DATUM["Gisborne 1926",2005,AUTHORITY["EPSG","5160"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","5762"]]''' m = mapObj('') m.setWKTProjection(mswkt) lyr = layerObj(m) lyr.setWKTProjection(mswkt)