mswkt = '''PROJCS["NAD_1983_StatePlane_Guam_FIPS_5400_Feet",GEOGCS["NAD83",DATUM["North_American_Datum_1983",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","6269"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4269"]],PROJECTION["Polyconic"],PARAMETER["latitude_of_origin",13.4724663527778],PARAMETER["central_meridian",144.748750705556],PARAMETER["false_easting",164041.666666667],PARAMETER["false_northing",164041.666666667],UNIT["US survey foot",0.304800609601219,AUTHORITY["EPSG","9003"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["ESRI","102766"]]''' m = mapObj('') m.setWKTProjection(mswkt) lyr = layerObj(m) lyr.setWKTProjection(mswkt)