proj4.defs("EPSG:3068","+proj=cass +lat_0=52.4186482777778 +lon_0=13.6272036666667 +x_0=40000 +y_0=10000 +ellps=bessel +towgs84=598.1,73.7,418.2,0.202,0.045,-2.455,6.7 +units=m +no_defs +type=crs");