Datum Description Name struct Tinman.Georef.Datum Used by CoordSys.geographic Base class for datum transformations. Fields / Optional id Type Georef.Id Default null The unique registry ID of well-known objects. name Type string Default null The human-readable name of this object. ellipsoid Type Ellipsoid Default null The ellipsoid of the geodetic datum (null defaults to WGS84). meridian Type Meridian Default null The prime meridian of the geodetic datum (null defaults to zero / Greenwich). Flags Conversion