proj4 = '+proj=tmerc +lat_0=0 +lon_0=9 +k=1 +x_0=3500000 +y_0=0 +ellps=bessel +towgs84=582,105,414,-1.04,-0.35,3.08,8.3 +units=m +no_defs +type=crs'
m = Map(256,256,proj4)
lyr = Layer('Name',proj4)