proj4.defs("EPSG:2170","+proj=tmerc +lat_0=0 +lon_0=15 +k=0.9999 +x_0=500000 +y_0=0 +ellps=bessel +towgs84=459.968,82.193,458.756,-3.565234,-3.700593,10.860523,15.507563 +units=m +no_defs +type=crs");