proj4.defs("EPSG:5677","+proj=tmerc +lat_0=0 +lon_0=9 +k=1 +x_0=3500000 +y_0=0 +ellps=bessel +towgs84=590.5,69.5,411.6,-0.796,-0.052,-3.601,8.3 +units=m +no_defs +type=crs");