private void AssignOneValue(KeyValuePair<string, ObservableCollection<FlightDataEntitiesRT.ParameterRawData>> one,
            NHFAChartSubModel subModel, Dictionary<int, NHFAChartItem> secondMap)
        {
            foreach (var vals in one.Value)
            {
                NHFAChartItem item = null;
                if (secondMap.ContainsKey(vals.Second))
                {
                    item = secondMap[vals.Second];
                }
                else
                {
                    item = new NHFAChartItem();
                    secondMap.Add(vals.Second, item);
                }

                item.XValue = vals.Second;

                if (one.Key == "NHL")
                {
                    item.NHL = vals.Values[0];
                }
                else if (one.Key == "NHR")
                {
                    item.NHR = vals.Values[0];
                }

                //subModel.Add(item);
            }
        }
        internal override FAChartSubModel ToFAChartSubModel()
        {
            var subModel = new NHFAChartSubModel() { ParameterID = this.ParameterID };

            var pairs = from data in this.viewModel.EntityData
                        where data.Key.StartsWith(this.ParameterID)
                        select data;

            Dictionary<int, NHFAChartItem> secondMap = new Dictionary<int, NHFAChartItem>();
            foreach (var one in pairs)
            {
                this.AssignOneValue(one, subModel, secondMap);
            }

            var sorted = from one in secondMap
                         orderby one.Key ascending
                         select one.Value;

            foreach (var m in sorted)
            {
                subModel.Add(m);
            }
            return subModel;
        }