buffix in calculation of drivetrain volume length

VectoCore/VectoCore/Models/Declaration/DeclarationData.cs

@@ -336,7 +336,7 @@ namespace TUGraz.VectoCore.Models.Declaration
 
 			public static Meter CorrectionLengthDrivetrainVolume(VehicleCode? vehicleCode, bool? lowEntry, int numAxles, bool articulated)
 			{
-				if ((vehicleCode == VehicleCode.CE || vehicleCode == VehicleCode.CG) && !(bool)lowEntry) {
+				if ((vehicleCode == VehicleCode.CE || vehicleCode == VehicleCode.CG) && (bool)lowEntry) {
 					switch (numAxles) {
 						case 2: return 1.0.SI<Meter>();
 						case 3: return articulated ? 1.0.SI<Meter>() : 1.25.SI<Meter>();