public GpsTimePoint(GpsTimePoint baseObj, string longitude = null, string latitude = null, string elevation = null, string utcTimepoint = null) : this(longitude == null ? baseObj.longitude : longitude, latitude == null ? baseObj.latitude : latitude, elevation == null ? baseObj.elevation : elevation, utcTimepoint == null ? baseObj.utcTimepoint : utcTimepoint) { }
public GpsTimePoint(GpsTimePoint baseObj, string longitude = null, string latitude = null, string elevation = null, string utcTimepoint = null) : this(longitude == null ? baseObj.longitude : longitude, latitude == null ? baseObj.latitude : latitude, elevation == null ? baseObj.elevation : elevation, utcTimepoint == null ? baseObj.utcTimepoint : utcTimepoint) { }