proj4 = '+proj=tmerc +lat_0=0 +lon_0=9 +k=1 +x_0=3500000 +y_0=0 +ellps=bessel +nadgrids=BETA2007.gsb +units=m +no_defs +type=crs' m = Map(256,256,proj4) lyr = Layer('Name',proj4)