proj4.defs("EPSG:27230","+proj=tmerc +lat_0=-45.8161966111111 +lon_0=170.628595166667 +k=1 +x_0=300000 +y_0=700000 +ellps=intl +towgs84=59.47,-5.04,187.44,-0.47,0.1,1.024,-4.5993 +units=m +no_defs +type=crs");