move default airdrag area from segment to mission

VectoCore/VectoCore/Models/Declaration/Mission.cs

@@ -54,13 +54,15 @@ namespace TUGraz.VectoCore.Models.Declaration
 
 		public Stream CycleFile;
 
-		public List<MissionTrailer> Trailer;
+		public IList<MissionTrailer> Trailer;
 
 		public Kilogram MinLoad;
 		public Kilogram LowLoad;
 		public Kilogram RefLoad;
 		public Kilogram MaxLoad;
 
+		public SquareMeter DefaultCDxA;
+
 		public CubicMeter TotalCargoVolume;
 
 		public Dictionary<LoadingType, Kilogram> Loadings

VectoCore/VectoCore/Models/Declaration/Segment.cs

@@ -59,9 +59,5 @@ namespace TUGraz.VectoCore.Models.Declaration
 
 		public MeterPerSecond DesignSpeed { get; internal set; }
 
-		public SquareMeter CdADefault { get; internal set; }
-
-		public SquareMeter CdAConstruction { get; internal set; }
-
 	}
 }
\ No newline at end of file

VectoCore/VectoCore/Models/Declaration/Segments.cs

@@ -104,10 +104,6 @@ namespace TUGraz.VectoCore.Models.Declaration
 				VehicleHeight = LookupHeight(vehicleCategory, axleConfiguration, grossVehicleMassRating, vocational),
 				DesignSpeed = row.ParseDouble("designspeed").KMPHtoMeterPerSecond(),
 				GrossVehicleMassRating = grossVehicleMassRating,
-				CdADefault = string.IsNullOrEmpty(row["cdxa_default"].ToString()) ? null : row.ParseDouble("cdxa_default").SI<SquareMeter>(),
-				CdAConstruction = string.IsNullOrEmpty(row["cdxa_construction"].ToString())
-					? null
-					: row.ParseDouble("cdxa_construction").SI<SquareMeter>(),
 			};
 
 			return segment;
@@ -248,12 +244,25 @@ namespace TUGraz.VectoCore.Models.Declaration
 					RefLoad = refLoad,
 					LowLoad = lowLoad,
 					TotalCargoVolume = body.CargoVolume + trailers.Sum(t => t.CargoVolume).DefaultIfNull(0),
+					DefaultCDxA = ReadDefaultAirDragValue(row, missionType)
 				};
 				missions.Add(mission);
 			}
 			return missions.ToArray();
 		}
 
+		private static SquareMeter ReadDefaultAirDragValue(DataRow row, MissionType missionType)
+		{
+			var airDragColumn = "cdxa_default";
+			if (missionType == MissionType.Construction) {
+				airDragColumn = "cdxa_construction";
+			}
+			var cdxA = string.IsNullOrEmpty(row[airDragColumn].ToString())
+				? null
+				: row.ParseDouble(airDragColumn).SI<SquareMeter>();
+			return cdxA;
+		}
+
 		private static Kilogram GetLoading(string payloadStr, Kilogram grossVehicleWeight, Kilogram vehicleWeight,
 			IEnumerable<MissionTrailer> trailers, bool lowLoading)
 		{