# 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. 16=PROJCS["World_Mercator",GEOGCS["GCS_WGS_1984",DATUM["WGS_1984",SPHEROID["WGS_1984",6378137,298.257223563]],PRIMEM["Greenwich",0],UNIT["Degree",0.017453292519943295]],PROJECTION["Mercator_1SP"],PARAMETER["False_Easting",0],PARAMETER["False_Northing",0],PARAMETER["Central_Meridian",0],PARAMETER["latitude_of_origin",0],UNIT["Meter",1]]