proj4.defs("EPSG:20790","+proj=tmerc +lat_0=39.6666666666667 +lon_0=1 +k=1 +x_0=200000 +y_0=300000 +ellps=intl +pm=lisbon +towgs84=-288.885,-91.744,126.244,-1.691,0.41,-0.211,-4.598 +units=m +no_defs +type=crs");