proj4 = '+proj=krovak +lat_0=49.5 +lon_0=24.8333333333333 +alpha=30.2881397527778 +k=0.9999 +x_0=0 +y_0=0 +ellps=bessel +towgs84=485,169.5,483.5,7.786,4.398,4.103,0 +units=m +no_defs +type=crs' m = Map(256,256,proj4) lyr = Layer('Name',proj4)