proj4.defs("EPSG:5513","+proj=krovak +axis=swu +lat_0=49.5 +lon_0=24.8333333333333 +alpha=30.2881397527778 +k=0.9999 +x_0=0 +y_0=0 +ellps=bessel +towgs84=558.7,68.8,452.2,-8.025,-4.105,-4.295,5.74 +units=m +no_defs +type=crs");