# put this custom projection in the 'user_projections' file inside the GEOSERVER_DATA_DIR #You can further work with your projections via the web admin tool. 7412="+proj=tmerc+ellps=GRS80+x_0=100000+y_0=1000000+units=m+lat_0=58+lon_0=9.5+towgs84=-0.39"