proj4.defs("EPSG:8677","+proj=tmerc +lat_0=0 +lon_0=15 +k=0.9999 +x_0=5500000 +y_0=0 +ellps=bessel +towgs84=315.393,186.223,499.609,-6.445954,-8.131631,13.208641,23.449046 +units=m +no_defs +type=crs");