proj4.defs("EPSG:2170","+proj=tmerc +lat_0=0 +lon_0=15 +k=0.9999 +x_0=500000 +y_0=0 +ellps=bessel +towgs84=408.0895,-288.9616,791.5498,-4.078662,0.022669,9.825424,94.060626 +units=m +no_defs +type=crs");