/// <summary>
        /// Returns cloud altitude in selected distance unit.
        /// </summary>
        /// <param name="distanceUnit"></param>
        /// <returns></returns>
        public double GetAltitudeIn(DistanceUnit distanceUnit)
        {
            int    inFt = Altitude * 100;
            double ret  = distanceUnit == DistanceUnit.ft
                ? inFt
                : Convertions.Convert(inFt, DistanceUnit.ft, distanceUnit);

            return(ret);
        }
        /// <summary>
        /// Returns distance converted to selected unit. If distance has no value, null is returned.
        /// </summary>
        /// <param name="targetUnit"></param>
        /// <returns></returns>
        public double?GetDistanceIn(DistanceUnit targetUnit)
        {
            if (Distance.HasValue == false)
            {
                return(null);
            }

            double ret = Convertions.Convert(Distance.Value.Value, DistanceUnit, targetUnit);

            return(ret);
        }