public static Quaternion QtmRhsToUnityLhs(this QTMRealTimeSDK.Settings.Rotation src, Quaternion coordinateSystemRotation)
        {
            var q = new Quaternion(-src.X, src.Y, src.Z, -src.W);

            return(coordinateSystemRotation * q);
        }
        public static Quaternion QtmRhsToUnityLhs(this QTMRealTimeSDK.Settings.Rotation src)
        {
            var q = new Quaternion(-src.X, src.Y, src.Z, -src.W);

            return(q);
        }