proj4.defs("EPSG:2207","+proj=tmerc +lat_0=0 +lon_0=30 +k=1 +x_0=10500000 +y_0=0 +ellps=intl +towgs84=-81.1,-89.4,-115.8,0.485,0.024,0.413,-0.54 +units=m +no_defs +type=crs");