proj4.defs("EPSG:2170","+proj=tmerc +lat_0=0 +lon_0=15 +k=0.9999 +x_0=500000 +y_0=0 +ellps=bessel +towgs84=468.63,81.389,445.221,-3.839242,-3.262525,10.566866,16.132726 +units=m +no_defs +type=crs");