public void TestInitialise()
        {
            _Comparer = Factory.Singleton.Resolve<IAircraftComparer>();

            _Lhs = new Mock<IAircraft>() { DefaultValue = DefaultValue.Mock }.SetupAllProperties().Object;
            _Rhs = new Mock<IAircraft>() { DefaultValue = DefaultValue.Mock }.SetupAllProperties().Object;
        }
 /// <summary>
 /// Sets the appropriate column on the aircraft passed across to either a high or low value, depending on the parameters.
 /// </summary>
 /// <param name="aircraft"></param>
 /// <param name="columnName"></param>
 /// <param name="setLowValue"></param>
 private void InitialiseAircraft(IAircraft aircraft, string columnName, bool setLowValue)
 {
     switch(columnName) {
         case AircraftComparerColumn.Altitude:               aircraft.Altitude = setLowValue ? 100 : 200; break;
         case AircraftComparerColumn.Callsign:               aircraft.Callsign = setLowValue ? "ABC" : "XYZ"; break;
         case AircraftComparerColumn.Destination:            aircraft.Destination = setLowValue ? "ABC" : "XYZ"; break;
         case AircraftComparerColumn.DistanceFromHere:       aircraft.Latitude = aircraft.Longitude = setLowValue ? 1F : 2F; break;
         case AircraftComparerColumn.FirstSeen:              aircraft.FirstSeen = setLowValue ? new DateTime(2001, 1, 2, 10, 20, 21, 100) : new DateTime(2001, 1, 2, 10, 20, 21, 200); break;
         case AircraftComparerColumn.FlightsCount:           aircraft.FlightsCount = setLowValue ? 100 : 200; break;
         case AircraftComparerColumn.GroundSpeed:            aircraft.GroundSpeed = setLowValue ? 100 : 200; break;
         case AircraftComparerColumn.Icao24:                 aircraft.Icao24 = setLowValue ? "123456" : "ABCDEF"; break;
         case AircraftComparerColumn.Icao24Country:          aircraft.Icao24Country = setLowValue ? "ABC" : "XYZ"; break;
         case AircraftComparerColumn.Model:                  aircraft.Model = setLowValue ? "ABC" : "XYZ"; break;
         case AircraftComparerColumn.NumberOfEngines:        aircraft.NumberOfEngines = setLowValue ? "ABC" : "XYZ"; break;
         case AircraftComparerColumn.Operator:               aircraft.Operator = setLowValue ? "ABC" : "XYZ"; break;
         case AircraftComparerColumn.OperatorIcao:           aircraft.OperatorIcao = setLowValue ? "ABC" : "XYZ"; break;
         case AircraftComparerColumn.Origin:                 aircraft.Origin = setLowValue ? "ABC" : "XYZ"; break;
         case AircraftComparerColumn.Registration:           aircraft.Registration = setLowValue ? "ABC" : "XYZ"; break;
         case AircraftComparerColumn.Species:                aircraft.Species = setLowValue ? Species.Amphibian : Species.Landplane; break;
         case AircraftComparerColumn.Squawk:                 aircraft.Squawk = setLowValue ? 5 : 5000; break;
         case AircraftComparerColumn.Type:                   aircraft.Type = setLowValue ? "ABC" : "XYZ"; break;
         case AircraftComparerColumn.VerticalRate:           aircraft.VerticalRate = setLowValue ? 100 : 200; break;
         case AircraftComparerColumn.WakeTurbulenceCategory: aircraft.WakeTurbulenceCategory = setLowValue ? WakeTurbulenceCategory.Light : WakeTurbulenceCategory.Heavy; break;
         default:                                            throw new NotImplementedException();
     }
 }
 private static void IncreaseSpeedOfSeaBird(IAircraft seabird)
 {
     Console.WriteLine("\nExperiment 3: Increase the speed of the Seabird:");
     (seabird as ISeacraft).IncreaseRevs();
     (seabird as ISeacraft).IncreaseRevs();
     if (seabird.Airborne)
         Console.WriteLine("Seabird flying at height " + seabird.Height +
                     " metres and speed " + (seabird as ISeacraft).Speed + " knots");
     Console.WriteLine("Experiments successful; the Seabird flies!");
 }
        /// <summary>
        /// See interface docs.
        /// </summary>
        /// <param name="x"></param>
        /// <param name="y"></param>
        /// <returns></returns>
        public int Compare(IAircraft x, IAircraft y)
        {
            int result = Object.ReferenceEquals(x, y) ? 0 : -1;
            if(result != 0) {
                for(int i = result = 0;result == 0 && i < SortBy.Count;++i) {
                    result = CompareColumn(x, y, result, SortBy[i].Key, SortBy[i].Value);
                }
            }

            return result;
        }
        public void TestInitialise()
        {
            _ClassFactorySnapshot = Factory.TakeSnapshot();

            _FlightSimulatorX = TestUtilities.CreateMockImplementation<IFlightSimulatorX>();
            _FlightSimulatorX.Setup(fsx => fsx.IsInstalled).Returns(true);

            _ConfigurationStorage = TestUtilities.CreateMockSingleton<IConfigurationStorage>();
            _Configuration = new Configuration();
            _ConfigurationStorage.Setup(c => c.Load()).Returns(_Configuration);

            _Log = TestUtilities.CreateMockSingleton<ILog>();

            _Presenter = Factory.Singleton.Resolve<IFlightSimulatorXPresenter>();

            _Provider = new Mock<IFlightSimulatorXPresenterProvider>() { DefaultValue = DefaultValue.Mock }.SetupAllProperties();
            _Provider.Setup(p => p.UtcNow).Returns(DateTime.UtcNow);
            _LimitTimedInvokeCallbacks = 1;
            int callbacks = 0;
            _Provider.Setup(p => p.TimedInvokeOnBackgroundThread(It.IsAny<Action>(), It.IsAny<int>())).Callback((Action callback, int milliseconds) => {
                if(callbacks++ < _LimitTimedInvokeCallbacks) callback();
            });
            _Presenter.Provider = _Provider.Object;

            _SelectedAircraft = new Mock<IAircraft>() { DefaultValue = DefaultValue.Mock }.SetupAllProperties().Object;
            _View = new Mock<IFlightSimulatorXView>() { DefaultValue = DefaultValue.Mock }.SetupAllProperties();
            _View.Setup(v => v.CanBeRefreshed).Returns(true);
            _View.Setup(v => v.SelectedRealAircraft).Returns(_SelectedAircraft);

            _BaseStationAircraftList = new Mock<IBaseStationAircraftList>() { DefaultValue = DefaultValue.Mock }.SetupAllProperties();
            _FlightSimulatorAircraftList = new Mock<ISimpleAircraftList>() { DefaultValue = DefaultValue.Mock }.SetupAllProperties();

            long trash1, trash2;

            _RealAircraftList = new List<IAircraft>();
            _BaseStationAircraftList.Setup(b => b.TakeSnapshot(out trash1, out trash2)).Returns(_RealAircraftList);

            _FSXAircraftList = new List<IAircraft>();
            var syncLock = new object();
            _FlightSimulatorAircraftList.Setup(f => f.Aircraft).Returns(_FSXAircraftList);
            _FlightSimulatorAircraftList.Setup(f => f.ListSyncLock).Returns(syncLock);

            _WebServer = new Mock<IWebServer>() { DefaultValue = DefaultValue.Mock }.SetupAllProperties();

            _Presenter.BaseStationAircraftList = _BaseStationAircraftList.Object;
            _Presenter.FlightSimulatorAircraftList = _FlightSimulatorAircraftList.Object;
            _Presenter.WebServer = _WebServer.Object;
        }
Exemplo n.º 6
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        /// <summary>
        /// Returns a model given an aircraft list and a point to measure from.
        /// </summary>
        /// <param name="aircraftList"></param>
        /// <param name="originLatitude"></param>
        /// <param name="originLongitude"></param>
        /// <returns></returns>
        public static ProximityGadgetAircraftJson ToModel(IEnumerable <IAircraft> aircraftList, double?originLatitude, double?originLongitude)
        {
            ProximityGadgetAircraftJson result = null;

            if (aircraftList != null)
            {
                result = new ProximityGadgetAircraftJson();

                if (originLatitude == null || originLongitude == null)
                {
                    result.WarningMessage = "Position not supplied";
                }
                else
                {
                    IAircraft closestAircraft = null;
                    double?   closestDistance = null;

                    foreach (var aircraft in aircraftList)
                    {
                        double?distance = null;
                        if (aircraft.Latitude != null && aircraft.Longitude != null)
                        {
                            distance = GreatCircleMaths.Distance(originLatitude, originLongitude, aircraft.Latitude, aircraft.Longitude);
                            if (distance != null && closestAircraft == null || distance < closestDistance)
                            {
                                closestAircraft = aircraft;
                                closestDistance = distance;
                            }
                        }

                        if (aircraft.Emergency == true)
                        {
                            result.EmergencyAircraft.Add(ProximityGadgetClosestAircraftJson.ToModel(aircraft, originLatitude, originLongitude));
                        }
                    }

                    if (closestAircraft != null)
                    {
                        result.ClosestAircraft = ProximityGadgetClosestAircraftJson.ToModel(closestAircraft, originLatitude, originLongitude);
                    }
                }
            }

            return(result);
        }
Exemplo n.º 7
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 /// <summary>
 /// Updates an existing aircraft in the list.
 /// </summary>
 /// <param name="aircraft"></param>
 /// <param name="item"></param>
 private void UpdateAircraftInList(IAircraft aircraft, ListViewItem item)
 {
     if (item.SubItems[0].Text != aircraft.Registration)
     {
         item.SubItems[0].Text = aircraft.Registration;
     }
     if (item.SubItems[1].Text != aircraft.Icao24)
     {
         item.SubItems[1].Text = aircraft.Icao24;
     }
     if (item.SubItems[2].Text != aircraft.Type)
     {
         item.SubItems[2].Text = aircraft.Type;
     }
     if (item.SubItems[3].Text != aircraft.Operator)
     {
         item.SubItems[3].Text = aircraft.Operator;
     }
     item.Tag = aircraft;
 }
Exemplo n.º 8
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        public void Notify(IAircraft sender, RequestType id)
        {
            if (id == RequestType.Landing)
            {
                foreach (var personel in GroundPersonnel)
                {
                    personel.commDevice.receive(personel, id);
                }
                HandleRequestLanding(sender);
            }

            else if (id == RequestType.TakeOff)
            {
                foreach (var personel in GroundPersonnel)
                {
                    personel.commDevice.receive(personel, id);
                }
                HandleRequestTakeoff(sender);
            }
        }
Exemplo n.º 9
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        /// <summary>
        /// Creates a new model from an aircraft object passed across. The aircraft passed in is assumed to be a clone, i.e.
        /// the properties on the aircraft cannot change over the lifetime of the call.
        /// </summary>
        /// <param name="aircraft"></param>
        /// <param name="originLatitude">The latitude to measure distances from.</param>
        /// <param name="originLongitude">The longitude to measure distances from.</param>
        /// <returns></returns>
        public static ProximityGadgetClosestAircraftJson ToModel(IAircraft aircraft, double?originLatitude, double?originLongitude)
        {
            ProximityGadgetClosestAircraftJson result = null;

            if (aircraft != null)
            {
                double?distance = null;
                if (aircraft.Latitude != null && aircraft.Longitude != null)
                {
                    distance = GreatCircleMaths.Distance(originLatitude, originLongitude, aircraft.Latitude, aircraft.Longitude);
                }

                result = new ProximityGadgetClosestAircraftJson()
                {
                    Altitude         = FormatNullable(aircraft.Altitude),
                    BearingFromHere  = FormatNullable(GreatCircleMaths.Bearing(originLatitude, originLongitude, aircraft.Latitude, aircraft.Longitude, null, false, false), null, 1),
                    Callsign         = aircraft.Callsign,
                    Destination      = aircraft.Destination,
                    DistanceFromHere = FormatNullable(distance, null, 2),
                    Emergency        = aircraft.Emergency.GetValueOrDefault(),
                    GroundSpeed      = FormatNullable(aircraft.GroundSpeed),
                    HasPicture       = !String.IsNullOrEmpty(aircraft.PictureFileName),
                    Icao24           = aircraft.Icao24 ?? "",
                    Icao24Invalid    = aircraft.Icao24Invalid,
                    Latitude         = FormatNullable(aircraft.Latitude),
                    Longitude        = FormatNullable(aircraft.Longitude),
                    Manufacturer     = aircraft.Manufacturer,
                    Model            = aircraft.Model,
                    Operator         = aircraft.Operator,
                    OperatorIcao     = aircraft.OperatorIcao,
                    Origin           = aircraft.Origin,
                    Registration     = aircraft.Registration,
                    Squawk           = aircraft.Squawk.GetValueOrDefault() == 0 ? null : String.Format("{0:0000}", aircraft.Squawk),
                    Track            = FormatNullable(aircraft.Track, null, 1),
                    Type             = aircraft.Type,
                    VerticalRate     = FormatNullable(aircraft.VerticalRate),
                };
            }

            return(result);
        }
Exemplo n.º 10
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        /// <summary>
        /// Add to Dictionary and return AirTarget ref of the adde missile
        /// </summary>
        /// <param name="missileScript"></param>
        /// <returns>Generated Target</returns>
        public ITarget CreateTarget4LaunchedMissile(IMissileScript missileScript)
        {
            //Register callback to handle missile explsion event
            missileScript.Exploded += OnMissleExploded;
            //Add AircraftScript to the missile
            var missileAircraftScript = (MonoBehaviour)((MonoBehaviour)missileScript).gameObject.AddComponent(AircraftScript.type);

            missileAircraftScript.enabled = false;
            IAircraft   tempAircraft = NewAircraft;
            IPartScript partScript   = (IPartScript)missileAircraftScript.GetComponent(PartScript.type);
            var         firedByName  = ((MonoBehaviour)partScript.Aircraft).name;

            //Rename Aircraft
            tempAircraft.Name = $"{missileAircraftScript.name} ({firedByName})";
            //Set AircraftScript values
            AircraftScript.InvokeMethod("set_Aircraft", missileAircraftScript, new object[] { tempAircraft });
            ((IAircraftScript)missileAircraftScript).MainCockpit = partScript;
            //Create the target presenting missile
            var target = (ITarget)AirTarget.type.GetConstructor(new Type[] { AircraftScript.type }).Invoke(new object[] { missileAircraftScript });

            aircraftLaunchedMissiles.Add(target, new MissileInfo((IAircraftScript)missileAircraftScript, (IMissileScript)missileScript));
            return(target);
        }
Exemplo n.º 11
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        public string IsAirplaneInFinalRunway(IAircraft airplane, double direction = 0)
        {
            string name            = String.Empty;
            double degreesAperture = 5;

            double finalOneDirection      = MapMathHelper.GetAngle(this.PositionSideOne.Longitude, this.PositionSideTwo.Longitude, this.PositionSideOne.Latitude, this.PositionSideTwo.Latitude);
            double finalTwoDirection      = MapMathHelper.GetAngle(this.PositionSideTwo.Longitude, this.PositionSideOne.Longitude, this.PositionSideTwo.Latitude, this.PositionSideOne.Latitude);
            double degreesOneFromPosition = MapMathHelper.GetAngle(this.PositionSideOne.Longitude, airplane.Position.Longitude, this.PositionSideOne.Latitude, airplane.Position.Latitude);
            double degreesTwoFromPosition = MapMathHelper.GetAngle(this.PositionSideTwo.Longitude, airplane.Position.Longitude, this.PositionSideTwo.Latitude, airplane.Position.Latitude);

            bool isTargetInAngleFromOne = finalOneDirection - degreesAperture <degreesOneFromPosition && finalOneDirection + degreesAperture> degreesOneFromPosition;
            bool isTargetInAngleFromTwo = finalTwoDirection - degreesAperture <degreesTwoFromPosition && finalTwoDirection + degreesAperture> degreesTwoFromPosition;

            if (isTargetInAngleFromOne && airplane.VerticalSpeed < 0 || isTargetInAngleFromTwo && airplane.VerticalSpeed > 0)
            {
                name = this.PositionSideTwo.Description;
            }
            else if (isTargetInAngleFromOne && airplane.VerticalSpeed > 0 || isTargetInAngleFromTwo && airplane.VerticalSpeed < 0)
            {
                name = this.PositionSideOne.Description;
            }

            return(name);
        }
Exemplo n.º 12
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 /// <summary>
 /// Returns the English description of the engine type of the aircraft passed across.
 /// </summary>
 /// <param name="aircraft"></param>
 /// <returns></returns>
 private string EngineTypeDescription(IAircraft aircraft)
 {
     return(aircraft.EngineType == EngineType.None ? "" : aircraft.EngineType.ToString());
 }
Exemplo n.º 13
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 public Seabird_NEW(IAircraft aircraft)
 {
     this.aircraft = aircraft;
 }
 public void TestInitialise()
 {
     _Aircraft = Factory.Singleton.Resolve<IAircraft>();
 }
Exemplo n.º 15
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        /// <summary>
        /// Builds the full or short coordinates list and attaches it to the aircraft JSON object.
        /// </summary>
        /// <param name="shortCoordinates"></param>
        /// <param name="firstTimeSeen"></param>
        /// <param name="aircraftJson"></param>
        /// <param name="aircraftSnapshot"></param>
        /// <param name="args"></param>
        /// <param name="sendAltitude"></param>
        /// <param name="sendSpeed"></param>
        private void BuildCoordinatesList(bool shortCoordinates, bool firstTimeSeen, AircraftJson aircraftJson, IAircraft aircraftSnapshot, AircraftListJsonBuilderArgs args, bool sendAltitude, bool sendSpeed)
        {
            aircraftJson.ResetTrail = firstTimeSeen || args.ResendTrails || aircraftSnapshot.FirstCoordinateChanged > args.PreviousDataVersion;
            List <double?> list = new List <double?>();

            List <Coordinate> coordinates    = shortCoordinates ? aircraftSnapshot.ShortCoordinates : aircraftSnapshot.FullCoordinates;
            Coordinate        lastCoordinate = null;
            Coordinate        nextCoordinate = null;

            for (var i = 0; i < coordinates.Count; ++i)
            {
                var coordinate = nextCoordinate ?? coordinates[i];
                nextCoordinate = i + 1 == coordinates.Count ? null : coordinates[i + 1];

                if (aircraftJson.ResetTrail || coordinate.DataVersion > args.PreviousDataVersion)
                {
                    // If this is a full coordinate list then entries can be in here that only record a change in altitude or speed, and not a change in track. Those
                    // entries are to be ignored. They can be identified by having a track that is the same as their immediate neighbours in the list.
                    if (!shortCoordinates && lastCoordinate != null && nextCoordinate != null)
                    {
                        var dupeHeading = lastCoordinate.Heading == coordinate.Heading && coordinate.Heading == nextCoordinate.Heading;
                        if (dupeHeading && !sendAltitude && !sendSpeed)
                        {
                            continue;
                        }
                        var dupeAltitude = lastCoordinate.Altitude == coordinate.Altitude && coordinate.Altitude == nextCoordinate.Altitude;
                        if (sendAltitude && dupeHeading && dupeAltitude)
                        {
                            continue;
                        }
                        var dupeSpeed = lastCoordinate.GroundSpeed == coordinate.GroundSpeed && coordinate.GroundSpeed == nextCoordinate.GroundSpeed;
                        if (sendSpeed && dupeHeading && dupeSpeed)
                        {
                            continue;
                        }
                    }

                    list.Add(Round.Coordinate(coordinate.Latitude));
                    list.Add(Round.Coordinate(coordinate.Longitude));
                    if (shortCoordinates)
                    {
                        list.Add(JavascriptHelper.ToJavascriptTicks(coordinate.Tick));
                    }
                    else
                    {
                        list.Add((int?)coordinate.Heading);
                    }
                    if (sendAltitude)
                    {
                        list.Add(coordinate.Altitude);
                    }
                    else if (sendSpeed)
                    {
                        list.Add(coordinate.GroundSpeed);
                    }
                }

                lastCoordinate = coordinate;
            }

            if (aircraftSnapshot.Latitude != null && aircraftSnapshot.Longitude != null &&
                (lastCoordinate.Latitude != aircraftSnapshot.Latitude || lastCoordinate.Longitude != aircraftSnapshot.Longitude) &&
                aircraftSnapshot.PositionTimeChanged > args.PreviousDataVersion)
            {
                list.Add(Round.Coordinate(aircraftSnapshot.Latitude));
                list.Add(Round.Coordinate(aircraftSnapshot.Longitude));
                if (shortCoordinates)
                {
                    list.Add(JavascriptHelper.ToJavascriptTicks(aircraftSnapshot.PositionTime.Value));
                }
                else
                {
                    list.Add((int?)Round.TrackHeading(aircraftSnapshot.Track));
                }
                if (sendAltitude)
                {
                    list.Add(Round.TrackAltitude(aircraftSnapshot.Altitude));
                }
                else if (sendSpeed)
                {
                    list.Add(Round.TrackGroundSpeed(aircraftSnapshot.GroundSpeed));
                }
            }

            if (list.Count != 0)
            {
                if (shortCoordinates)
                {
                    aircraftJson.ShortCoordinates = list;
                }
                else
                {
                    aircraftJson.FullCoordinates = list;
                }
            }
        }
 /// <summary>
 /// Returns the English description of the species of the aircraft passed across.
 /// </summary>
 /// <param name="aircraft"></param>
 /// <returns></returns>
 private string SpeciesDescription(IAircraft aircraft)
 {
     return aircraft.Species == Species.None ? "" : aircraft.Species.ToString();
 }
 public AircraftSelectionDataItem(IAircraft aircraft, DataGroup @group)
     : this(aircraft, @group, 15, 20)
 {
 }
        /// <summary>
        /// See interface docs.
        /// </summary>
        /// <param name="aircraft"></param>
        public void RefreshPicture(IAircraft aircraft)
        {
            if(aircraft == null) throw new ArgumentNullException("aircraft");

            IAircraft actualAircraft;
            lock(_AircraftMapLock) _AircraftMap.TryGetValue(aircraft.UniqueId, out actualAircraft);
            if(actualAircraft != null) _PictureLookupQueue.Enqueue(actualAircraft);
        }
 private void SetProperties(IAircraft aircraft)
 {
     Version = aircraft.Version;
     Title = aircraft.AircraftType;
 }
 /// <summary>
 /// Creates a new object
 /// </summary>
 /// <param name="aircraft">The aircraft to look up in the database.</param>
 /// <param name="queueForRefresh">True if another lookup should be scheduled if the aircraft is either missing from the database
 /// or the record on the database is incomplete.</param>
 /// <param name="alwaysRefreshPicture">Usually the aircraft picture is only refreshed if the aircraft has a registration added by
 /// the database lookup - this parameter can force a lookup even if the registration is missing or not found.</param>
 public DatabaseLookup(IAircraft aircraft, bool queueForRefresh, bool alwaysRefreshPicture)
 {
     Aircraft = aircraft;
     QueueForRefresh = queueForRefresh;
     AlwaysRefreshPicture = alwaysRefreshPicture;
 }
        /// <summary>
        /// See interface docs.
        /// </summary>
        /// <param name="aircraft"></param>
        public void RefreshDatabaseDetails(IAircraft aircraft)
        {
            if(aircraft == null) throw new ArgumentNullException("aircraft");
            IAircraft actualAircraft;
            lock(_AircraftMapLock) _AircraftMap.TryGetValue(aircraft.UniqueId, out actualAircraft);

            if(actualAircraft != null) _DatabaseLookupQueue.Enqueue(new DatabaseLookup(actualAircraft, false, false));
        }
Exemplo n.º 22
0
 private void HandleRequestTakeoff(IAircraft sender)
 {
     sender.TakeoffGranted();
     Console.WriteLine("Take off granted for {0}", sender);
 }
Exemplo n.º 23
0
 private void HandleRequestLanding(IAircraft sender)
 {
     sender.LandingGranted();
     Console.WriteLine("Landing granted for {0}", sender);
 }
Exemplo n.º 24
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        /// <summary>
        /// Builds the full or short coordinates list and attaches it to the aircraft JSON object.
        /// </summary>
        /// <param name="shortCoordinates"></param>
        /// <param name="firstTimeSeen"></param>
        /// <param name="aircraftJson"></param>
        /// <param name="aircraftSnapshot"></param>
        /// <param name="args"></param>
        private void BuildCoordinatesList(bool shortCoordinates, bool firstTimeSeen, AircraftJson aircraftJson, IAircraft aircraftSnapshot, AircraftListJsonBuilderArgs args)
        {
            aircraftJson.ResetTrail = firstTimeSeen || args.ResendTrails || aircraftSnapshot.FirstCoordinateChanged > args.PreviousDataVersion;
            List <double?> list = new List <double?>();

            Coordinate lastCoordinate = null;

            foreach (var coordindate in shortCoordinates ? aircraftSnapshot.ShortCoordinates : aircraftSnapshot.FullCoordinates)
            {
                if (aircraftJson.ResetTrail || coordindate.DataVersion > args.PreviousDataVersion)
                {
                    list.Add(Round.Coordinate(coordindate.Latitude));
                    list.Add(Round.Coordinate(coordindate.Longitude));
                    if (shortCoordinates)
                    {
                        list.Add(JavascriptHelper.ToJavascriptTicks(coordindate.Tick));
                    }
                    else
                    {
                        list.Add(Round.Track(coordindate.Heading));
                    }
                }

                lastCoordinate = coordindate;
            }

            if (aircraftSnapshot.Latitude != null && aircraftSnapshot.Longitude != null &&
                (lastCoordinate.Latitude != aircraftSnapshot.Latitude || lastCoordinate.Longitude != aircraftSnapshot.Longitude) &&
                aircraftSnapshot.PositionTimeChanged > args.PreviousDataVersion)
            {
                list.Add(Round.Coordinate(aircraftSnapshot.Latitude));
                list.Add(Round.Coordinate(aircraftSnapshot.Longitude));
                if (shortCoordinates)
                {
                    list.Add(JavascriptHelper.ToJavascriptTicks(aircraftSnapshot.PositionTime.Value));
                }
                else
                {
                    list.Add(Round.Track(aircraftSnapshot.Track));
                }
            }

            if (list.Count != 0)
            {
                if (shortCoordinates)
                {
                    aircraftJson.ShortCoordinates = list;
                }
                else
                {
                    aircraftJson.FullCoordinates = list;
                }
            }
        }
Exemplo n.º 25
0
 public Key(IAircraft aircraft)
 {
     Icao24       = aircraft.Icao24;
     Callsign     = aircraft.Callsign;
     OperatorIcao = aircraft.OperatorIcao;
 }
 private static void ApplyAircraftType(IAircraft aircraft, AircraftType typeDetails)
 {
     if(typeDetails != null) {
         aircraft.NumberOfEngines = typeDetails.Engines;
         aircraft.EngineType = typeDetails.EngineType;
         aircraft.Species = typeDetails.Species;
         aircraft.WakeTurbulenceCategory = typeDetails.WakeTurbulenceCategory;
     }
 }
        /// <summary>
        /// Returns the list view item for the aircraft passed across or null if there is no row for the aircraft.
        /// </summary>
        /// <param name="aircraft"></param>
        /// <returns></returns>
        private ListViewItem FindItem(IAircraft aircraft)
        {
            ListViewItem result = null;
            foreach(ListViewItem item in listView.Items) {
                var tag = (IAircraft)item.Tag;
                if(tag.UniqueId == aircraft.UniqueId) {
                    result = item;
                    break;
                }
            }

            return result;
        }
 /// <summary>
 /// Applies the code block to the aircraft.
 /// </summary>
 /// <param name="aircraft"></param>
 /// <param name="codeBlock"></param>
 private static void ApplyCodeBlock(IAircraft aircraft, CodeBlock codeBlock)
 {
     if(codeBlock != null) {
         aircraft.Icao24Country = codeBlock.Country;
         aircraft.IsMilitary = codeBlock.IsMilitary;
     }
 }
        /// <summary>
        /// Returns the distance from the browser to the aircraft. If the aircraft is in the <see cref="PrecalculatedDistances"/> map then
        /// the pre-calculated distance is returned.
        /// </summary>
        /// <param name="aircraft"></param>
        /// <returns></returns>
        private double? CalculateDistance(IAircraft aircraft)
        {
            double? result;
            if(!PrecalculatedDistances.TryGetValue(aircraft.UniqueId, out result)) {
                result = GreatCircleMaths.Distance(BrowserLocation.Latitude, BrowserLocation.Longitude, aircraft.Latitude, aircraft.Longitude);
            }

            return result;
        }
        private void ApplyMessageToAircraft(BaseStationMessage message, IAircraft aircraft, bool isNewAircraft)
        {
            // We want to retrieve all of the lookups without writing anything to the aircraft. Then all of the values
            // that need changing on the aircraft will be set in one lock with one DataVersion so they're all consistent.

            CodeBlock codeBlock = null;
            Route route = null;

            if(isNewAircraft) codeBlock = StandingDataManager.FindCodeBlock(message.Icao24);

            bool callsignChanged;
            string operatorIcao;
            lock(aircraft) {  // <-- nothing should be changing Callsign, we're the only thread that writes it, but just in case...
                callsignChanged = !String.IsNullOrEmpty(message.Callsign) && message.Callsign != aircraft.Callsign;
                operatorIcao = aircraft.OperatorIcao;
            }
            if(callsignChanged) route = LookupRoute(message.Callsign, operatorIcao);

            var track = CalculateTrack(message, aircraft);

            lock(aircraft) {
                var now = Provider.UtcNow;
                GenerateDataVersion(aircraft);

                aircraft.LastUpdate = now;
                ++aircraft.CountMessagesReceived;
                if(isNewAircraft) aircraft.FirstSeen = now;
                if(aircraft.Icao24 == null) aircraft.Icao24 = message.Icao24;

                if(!String.IsNullOrEmpty(message.Callsign)) aircraft.Callsign = message.Callsign;
                if(message.Altitude != null) aircraft.Altitude = message.Altitude;
                if(message.GroundSpeed != null) aircraft.GroundSpeed = message.GroundSpeed;
                if(track != null) aircraft.Track = track;
                if(message.Track != null && message.Track != 0.0) aircraft.IsTransmittingTrack = true;
                if(message.Latitude != null) aircraft.Latitude = message.Latitude;
                if(message.Longitude != null) aircraft.Longitude = message.Longitude;
                if(message.VerticalRate != null) aircraft.VerticalRate = message.VerticalRate;
                if(message.OnGround != null) aircraft.OnGround = message.OnGround;
                if(message.Squawk != null) {
                    aircraft.Squawk = message.Squawk;
                    aircraft.Emergency = message.Squawk == 7500 || message.Squawk == 7600 || message.Squawk == 7700;
                }

                var supplementaryMessage = message != null && message.Supplementary != null ? message.Supplementary : null;
                if(supplementaryMessage != null) {
                    if(supplementaryMessage.SpeedType != null) aircraft.SpeedType = supplementaryMessage.SpeedType.Value;
                    if(supplementaryMessage.CallsignIsSuspect != null) aircraft.CallsignIsSuspect = supplementaryMessage.CallsignIsSuspect.Value;
                }

                ApplyCodeBlock(aircraft, codeBlock);
                ApplyRoute(aircraft, route);

                if(message.Latitude != null && message.Longitude != null) aircraft.UpdateCoordinates(now, _ShortTrailLengthSeconds);
            }

            if(isNewAircraft) _DatabaseLookupQueue.Enqueue(new DatabaseLookup(aircraft, true, true));
        }
Exemplo n.º 31
0
 /// <summary>
 /// Experiment 2: Classic usage of an adapter
 /// </summary>
 private static void ExecuteExperiment2(IAircraft seabird)
 {
     Console.WriteLine("\nExperiment 2: Use the engine in the Seabird");
     seabird.TakeOff(); // And automatically increases speed
     Console.WriteLine("The Seabird took off");
 }
 /// <summary>
 /// Applies route data to the aircraft.
 /// </summary>
 /// <param name="aircraft"></param>
 /// <param name="route"></param>
 private void ApplyRoute(IAircraft aircraft, Route route)
 {
     if(route != null) {
         aircraft.Origin = Describe.Airport(route.From, _PreferIataAirportCodes);
         aircraft.Destination = Describe.Airport(route.To, _PreferIataAirportCodes);
         foreach(var stopover in route.Stopovers) {
             aircraft.Stopovers.Add(Describe.Airport(stopover, _PreferIataAirportCodes));
         }
     }
 }
        /// <summary>
        /// Creates an object that represents an aircraft in <see cref="ProximityGadgetAircraftJson"/>.
        /// </summary>
        /// <param name="aircraft"></param>
        /// <param name="distance"></param>
        /// <param name="latitude"></param>
        /// <param name="longitude"></param>
        /// <returns></returns>
        private ProximityGadgetClosestAircraftJson CreateProximityGadgetClosestAircraftJson(IAircraft aircraft, double? distance, double? latitude, double? longitude)
        {
            var result = new ProximityGadgetClosestAircraftJson() {
                Altitude = FormatNullable(aircraft.Altitude),
                BearingFromHere = FormatNullable(GreatCircleMaths.Bearing(latitude, longitude, aircraft.Latitude, aircraft.Longitude, null, false, false), null, 1),
                Callsign = aircraft.Callsign,
                Destination = aircraft.Destination,
                DistanceFromHere = FormatNullable(distance, null, 2),
                Emergency = aircraft.Emergency.GetValueOrDefault(),
                GroundSpeed = FormatNullable(aircraft.GroundSpeed),
                HasPicture = !String.IsNullOrEmpty(aircraft.PictureFileName),
                Icao24 = aircraft.Icao24 ?? "",
                Icao24Invalid = aircraft.Icao24Invalid,
                Latitude = FormatNullable(aircraft.Latitude),
                Longitude = FormatNullable(aircraft.Longitude),
                Manufacturer = aircraft.Manufacturer,
                Model = aircraft.Model,
                Operator = aircraft.Operator,
                OperatorIcao = aircraft.OperatorIcao,
                Origin = aircraft.Origin,
                Registration = aircraft.Registration,
                Squawk = aircraft.Squawk.GetValueOrDefault() == 0 ? null : String.Format("{0:0000}", aircraft.Squawk),
                Track = FormatNullable(aircraft.Track, null, 1),
                Type = aircraft.Type,
                VerticalRate = FormatNullable(aircraft.VerticalRate),
            };
            result.Stopovers.AddRange(aircraft.Stopovers);

            return result;
        }
        /// <summary>
        /// If the message contains a track then it is simply returned, otherwise if it's possible to calculate the track then
        /// it is calculated and returned.
        /// </summary>
        /// <param name="message"></param>
        /// <param name="aircraft"></param>
        /// <returns></returns>
        private float? CalculateTrack(BaseStationMessage message, IAircraft aircraft)
        {
            var result = message.Track;

            var onGround = message.OnGround.GetValueOrDefault();
            var positionPresent = message.Latitude != null && message.Longitude != null;
            var trackNeverTransmitted = !aircraft.IsTransmittingTrack;

            if(result == 0.0 && trackNeverTransmitted) result = null;

            if(positionPresent && (onGround || trackNeverTransmitted)) {
                TrackCalculationParameters calcParameters;
                lock(_AircraftMapLock) {
                    _CalculatedTrackCoordinates.TryGetValue(aircraft.UniqueId, out calcParameters);
                    if(calcParameters != null && onGround && calcParameters.TrackFrozenAt.AddMinutes(30) <= Provider.UtcNow) {
                        _CalculatedTrackCoordinates.Remove(aircraft.UniqueId);
                        calcParameters = null;
                    }
                }

                var trackSuspect = message.Track == null || message.Track == 0.0;
                var trackFrozen = onGround && (calcParameters == null || calcParameters.TrackFrozen);
                if(trackSuspect || trackFrozen) {
                    var trackCalculated = false;
                    if(calcParameters == null) {
                        calcParameters = new TrackCalculationParameters() { LastLatitude = message.Latitude.Value, LastLongitude = message.Longitude.Value, LastTransmittedTrack = message.Track, TrackFrozen = true, TrackFrozenAt = Provider.UtcNow };
                        lock(_AircraftMapLock) _CalculatedTrackCoordinates.Add(aircraft.UniqueId, calcParameters);
                        trackCalculated = true;
                    } else if(message.Latitude != calcParameters.LastLatitude || message.Longitude != calcParameters.LastLongitude) {
                        if(trackFrozen && onGround && calcParameters.LastTransmittedTrack != message.Track) {
                            trackFrozen = calcParameters.TrackFrozen = false;
                        }
                        if(trackSuspect || trackFrozen) {
                            var minimumDistanceKm = message.OnGround.GetValueOrDefault() ? 0.010 : 0.25;
                            if(GreatCircleMaths.Distance(message.Latitude, message.Longitude, calcParameters.LastLatitude, calcParameters.LastLongitude).GetValueOrDefault() >= minimumDistanceKm) {
                                result = (float?)GreatCircleMaths.Bearing(calcParameters.LastLatitude, calcParameters.LastLongitude, message.Latitude, message.Longitude, null, false, false);
                                result = Round.Track(result);
                                calcParameters.LastLatitude = message.Latitude.Value;
                                calcParameters.LastLongitude = message.Longitude.Value;
                                trackCalculated = true;
                            }
                            calcParameters.LastTransmittedTrack = message.Track;
                        }
                    }
                    if(!trackCalculated && (trackSuspect || trackFrozen)) result = aircraft.Track;
                }
            }

            return result;
        }
Exemplo n.º 35
0
        static void Main(string[] args)
        {
            var planes = new IAircraft[]
            {
                    //(planeNumber, maxFuel)
                new Plane("3HF543", 250),
                new Plane("3GJ234", 200),
                new Plane("3SD654", 350),
                new Plane("3KJ897", 150),
                    //(planeNumber, numberOfSeats)
                new SailPlane("3HC943", 1),
                new SailPlane("3GLC34", 2),
            };

            foreach (var x in planes)
            {
                Console.WriteLine($"{x.PlaneNumber} {x.NumberOfSeats} ");

                if (x is Plane)
                {
                    Plane p = x as Plane;
                    Console.WriteLine(p.ShowMaxFuelInfo());
                }
            }

            var plan = new Plane("3KL654", 50);

            string s = JsonConvert.SerializeObject(plan);
            Console.WriteLine();
            Console.WriteLine(s);
            var xx = JsonConvert.DeserializeObject<Plane>(s);

            var plan2 = new SailPlane("3QW344", 35);

            string s2 = JsonConvert.SerializeObject(plan2);
            Console.WriteLine();
            Console.WriteLine(s2);
            var xx2 = JsonConvert.DeserializeObject<SailPlane>(s2);

            Console.WriteLine();
            Console.WriteLine();

            var setting = new JsonSerializerSettings()
            {
                Formatting = Formatting.Indented,
                TypeNameHandling = TypeNameHandling.Auto,

            };
            Console.WriteLine(JsonConvert.SerializeObject(planes, setting));

            Console.WriteLine();
            Console.WriteLine();

            var text = JsonConvert.SerializeObject(planes, setting);
            var desktop = Environment.GetFolderPath(Environment.SpecialFolder.Desktop);
            var filename = Path.Combine(desktop, "planes.json");
            File.WriteAllText(filename, text);

            var textFromFile = File.ReadAllText(filename);
            var itemsFromFile = JsonConvert.DeserializeObject<IAircraft[]>(textFromFile, setting);
            foreach (var x in itemsFromFile) Console.WriteLine($"{x.PlaneNumber} {x.NumberOfSeats} ");

            Console.WriteLine();
            Console.WriteLine();
            var producer = new Subject<Plane>();

            producer.Subscribe(plane => Console.WriteLine($"received value {plane}"));

            foreach (var x in planes)
            {
                System.Threading.Thread.Sleep(TimeSpan.FromSeconds(1));

                if (x is Plane)
                {
                    Plane p = x as Plane;
                    producer.OnNext(p); // push value i to subscribers
                }

            }

            Console.ReadLine();

            ///ALter Code TASK 1 & 2

            //(ist ähnlich wie das malloc, nur naturlich besser :-D )
            //var planes = new List<Plane>();

            //erstelln von FLugzeugen(Daten)
            //var plane1 = new Plane("3HF543", 250);
            //var plane2 = new Plane("3GJ234", 200);
            //var plane3 = new Plane("3SD654", 350);
            //var plane4 = new Plane("3KJ897", 150);

            //hinzufügen zu Daten
            //planes.Add(plane1);
            //planes.Add(plane2);
            //planes.Add(plane3);
            //planes.Add(plane4);

            //Schleife zum ausgeben
            //foreach (var plane in planes)
            //{
            //    Console.WriteLine("Number of Seats:{0} Plane Number: {1}",plane.NumberOfSeats, plane.PlaneNumber);
            //Console.WriteLine("Max Fuel Info:{0}", plane.ShowMaxFuelInfo());
            //}

            //Beispiel zum nutzen von "set;"
            //Änder der Anzahl der sitze von einem bestimmten Flugzeug
            //plane2.NumberOfSeats = 10;

            //sogrt für eine leerezeile so ähnlich "\n"

            //Schleife zum ausgeben, aber diesmal mit der änderung
            //foreach (var plane in planes)
            //{
            //    Console.WriteLine("Number of Seats:{0} Plane Number: {1}", plane.NumberOfSeats, plane.PlaneNumber);
            //    Console.WriteLine("Max Fuel Info:{0}", plane.ShowMaxFuelInfo());
            //}

            //Console.WriteLine();

            //var sailPlanes = new List<SailPlane>();

            //var sailplane1 = new SailPlane("3HC943", 1);
            //var sailplane2 = new SailPlane("3GLC34", 2);

            //sailPlanes.Add(sailplane1);
            //sailPlanes.Add(sailplane2);

            //foreach (var sailplane in sailPlanes)
            //{
            //    Console.WriteLine("Number of Seats:{0} Plane Number: {1}", sailplane.NumberOfSeats, sailplane.PlaneNumber);

            //}

            ///
        }
 /// <summary>
 /// Sets a valid DataVersion. Always lock the aircraft map before calling this.
 /// </summary>
 /// <param name="aircraft"></param>
 /// <remarks>
 /// The tests call for this to be based on UtcNow, the idea being that if the webServer is quit and restarted while
 /// a browser is connected the chances are good that the browser data version will correspond with the data versions
 /// held by the new instance of the webServer. Not sure how useful that will be but it's not hard to do. However there
 /// are times when we cannot use UTC - if the clock gets reset or if two messages come in on the same tick. When that
 /// happens we just fallback to incrementing the dataversion.
 /// </remarks>
 private void GenerateDataVersion(IAircraft aircraft)
 {
     // This can be called on any of the threads that update the list. The _DataVersionLock value is really a property of
     // the aircraft map - it represents the highest possible DataVersion of any aircraft within the map. The caller should
     // have established a lock on the aircraft map before calling us to ensure that snapshots of the map are not taken until
     // all changes that involve a new DataVersion have been applied, but just in case they don't we get it again here. If
     // we don't, and if they forgot to acquire the lock, then we could get inconsistencies.
     lock(_AircraftMapLock) {
         lock(aircraft) {
             var dataVersion = Provider.UtcNow.Ticks;
             if(dataVersion <= _DataVersion) dataVersion = _DataVersion + 1;
             aircraft.DataVersion = _DataVersion = dataVersion;
         }
     }
 }
Exemplo n.º 37
0
        /// <summary>
        /// Returns true if the aircraft passes the filter criteria passed across.
        /// </summary>
        /// <param name="aircraft"></param>
        /// <param name="args"></param>
        /// <param name="distances"></param>
        /// <returns></returns>
        private bool PassesFilter(IAircraft aircraft, AircraftListJsonBuilderArgs args, Dictionary <int, double?> distances)
        {
            var  filter = args.Filter;
            bool result = filter == null;

            var distance = args.IsFlightSimulatorList ? null : GreatCircleMaths.Distance(args.BrowserLatitude, args.BrowserLongitude, aircraft.Latitude, aircraft.Longitude);

            if (!result)
            {
                result = true;
                if (result && filter.Altitude != null)
                {
                    result = filter.Altitude.Passes(aircraft.Altitude);
                }
                if (result && filter.Callsign != null)
                {
                    result = filter.Callsign.Passes(aircraft.Callsign);
                }
                if (result && filter.EngineType != null)
                {
                    result = filter.EngineType.Passes(aircraft.EngineType);
                }
                if (result && filter.Icao24 != null)
                {
                    result = filter.Icao24.Passes(aircraft.Icao24);
                }
                if (result && filter.Icao24Country != null)
                {
                    result = filter.Icao24Country.Passes(aircraft.Icao24Country);
                }
                if (result && filter.IsInteresting != null)
                {
                    result = filter.IsInteresting.Passes(aircraft.IsInteresting);
                }
                if (result && filter.IsMilitary != null)
                {
                    result = filter.IsMilitary.Passes(aircraft.IsMilitary);
                }
                if (result && filter.MustTransmitPosition != null)
                {
                    result = filter.MustTransmitPosition.Passes(aircraft.Latitude != null && aircraft.Longitude != null);
                }
                if (result && filter.Operator != null)
                {
                    result = filter.Operator.Passes(aircraft.Operator);
                }
                if (result && filter.OperatorIcao != null)
                {
                    result = filter.OperatorIcao.Passes(aircraft.OperatorIcao);
                }
                if (result && filter.PositionWithin != null)
                {
                    result = args.SelectedAircraftId == aircraft.UniqueId || IsWithinBounds(aircraft.Latitude, aircraft.Longitude, filter.PositionWithin);
                }
                if (result && filter.Registration != null)
                {
                    result = filter.Registration.Passes(aircraft.Registration);
                }
                if (result && filter.Species != null)
                {
                    result = filter.Species.Passes(aircraft.Species);
                }
                if (result && filter.Squawk != null)
                {
                    result = filter.Squawk.Passes(aircraft.Squawk);
                }
                if (result && filter.Type != null)
                {
                    result = filter.Type.Passes(aircraft.Type);
                }
                if (result && filter.UserTag != null)
                {
                    result = filter.UserTag.Passes(aircraft.UserTag);
                }
                if (result && filter.WakeTurbulenceCategory != null)
                {
                    result = filter.WakeTurbulenceCategory.Passes(aircraft.WakeTurbulenceCategory);
                }

                if (result && filter.Airport != null)
                {
                    result = PassesAirportFilter(filter.Airport, aircraft);
                }

                if (result && filter.Distance != null)
                {
                    if (distance == null && filter.Distance.IsValid)
                    {
                        result = false;
                    }
                    else
                    {
                        result = filter.Distance.Passes(distance);
                    }
                }
            }

            if (result)
            {
                distances.Add(aircraft.UniqueId, distance);
            }

            return(result);
        }
        /// <summary>
        /// Looks for the picture filename for the aircraft.
        /// </summary>
        /// <param name="aircraft"></param>
        private void SearchForPicture(IAircraft aircraft)
        {
            string icao24, registration, oldFileName;
            lock(aircraft) {
                icao24 = aircraft.Icao24;
                registration = aircraft.Registration;
                oldFileName = aircraft.PictureFileName;
            }

            var fileName = _PictureManager.FindPicture(_PictureDirectoryCache, icao24, registration);

            if(oldFileName != fileName) {
                // We need to make sure that any locks are applied in the same order as any other thread that is modifying DataVersion.
                lock(_AircraftMapLock) {
                    lock(aircraft) {
                        GenerateDataVersion(aircraft);
                        aircraft.PictureFileName = fileName;
                    }
                }
            }
        }
Exemplo n.º 39
0
        public static WindowsPilot Create(
            IAircraft aircraft,
            IGyroscope3 gyroscope,
            IAccelerometer3 accelerometer,
            IMagnetometer3 magnetometer,
            IFlightController controller,
            double thrustMax,
            double angularPositionPitchMax,
            double angularPositionRollMax,
            double angularVelocityYawMax)
        {
            var angularVelocityNoisy = new Subject <AngularVelocity3>();
            var accelerationNoisy    = new Subject <GForce3>();
            var magnetismNoisy       = new Subject <MagneticFluxDensity3>();

            IObservable <AngularVelocity3> angularVelocityOptimal =
                angularVelocityNoisy
                .Filter(
                    estimatedMeasurementNoiseCovariance: 0.0000025d,
                    estimatedProcessNoiseCovariance: 0d,
                    controlWeight: 0.5d * OutputFrequency / gyroscope.Frequency,
                    initialEstimate: 0d,
                    initialErrorCovariance: 1d)
                .Multiply(1.08d /*calibration*/);

            IObservable <GForce3> accelerationOptimal =
                accelerationNoisy
                .Filter(
                    estimatedMeasurementNoiseCovariance: 0.025d,
                    estimatedProcessNoiseCovariance: 0d,
                    controlWeight: 0.5d * OutputFrequency / accelerometer.Frequency,
                    initialEstimate: 0d,
                    initialErrorCovariance: 1d);

            IObservable <MagneticFluxDensity3> magnetismOptimal =
                magnetismNoisy
                .Filter(
                    estimatedMeasurementNoiseCovariance: 0.05d,
                    estimatedProcessNoiseCovariance: 0d,
                    controlWeight: 0.5d * OutputFrequency / magnetometer.Frequency,
                    initialEstimate: 0d,
                    initialErrorCovariance: 1d);

            var magnetismMinCalibration = new MagneticFluxDensity3(
                x: -0.273980716005263d,
                y: -0.245318477916743d,
                z: -0.237557110710227d);

            var magnetismMaxCalibration = new MagneticFluxDensity3(
                x: 0.148042531751317d,
                y: 0.177504483195312d,
                z: 0.155796981828076d);

            var ahrs = new Ahrs(angularVelocityOptimal, accelerationOptimal, magnetismOptimal, magnetismMinCalibration, magnetismMaxCalibration);

            var angularVelocityInterval = TimeSpan.FromTicks(Convert.ToInt64(TimeSpan.TicksPerSecond / gyroscope.Frequency));
            var accelerationInterval    = TimeSpan.FromTicks(Convert.ToInt64(TimeSpan.TicksPerSecond / accelerometer.Frequency));
            var magnetismInterval       = TimeSpan.FromTicks(Convert.ToInt64(TimeSpan.TicksPerSecond / magnetometer.Frequency));

            var yawTimer    = new Subject <object>();
            var yawInterval = TimeSpan.FromTicks(Convert.ToInt64(TimeSpan.TicksPerSecond / YawFrequency));

            var outputTimer    = new Subject <object>();
            var outputInterval = TimeSpan.FromTicks(Convert.ToInt64(TimeSpan.TicksPerSecond / OutputFrequency));

            SyncLoop.ProduceAsync(
                angularVelocityInterval, a => gyroscope.Read(), angularVelocityNoisy,
                accelerationInterval, a => accelerometer.Read(), accelerationNoisy,
                magnetismInterval, a => magnetometer.Read(), magnetismNoisy,
                yawInterval, a => null, yawTimer,
                outputInterval, a => null, outputTimer,
                WorkItemPriority.High).AsTask();

            IObservable <double> thrust =
                controller.Thrust.Select(value => value * thrustMax);

            IObservable <double> angularPositionPitchSetpoint =
                controller.Pitch.Select(value => value * angularPositionPitchMax);

            IObservable <double> angularPositionRollSetpoint =
                controller.Roll.Select(value => value * angularPositionRollMax);

            IObservable <double> angularPositionYawSetpoint =
                Extensions.ObservableExtensions
                .CombineLatest(
                    controller.Yaw,
                    yawTimer.TimeInterval(),
                    (yaw, timer, yawChanged, timerChanged) =>
                    new { Yaw = yaw, YawChanged = yawChanged, TimerElapsed = timerChanged, TimerInterval = timer.Interval })
                .Scan(
                    default(double),
                    (accu, t) =>
            {
                double yaw = accu;

                if (t.TimerElapsed)
                {
                    double dt = t.TimerInterval.TotalSeconds;
                    yaw      += t.Yaw * angularVelocityYawMax * dt;

                    if (yaw > AngleConvert.ToRadians(180d))
                    {
                        yaw -= AngleConvert.ToRadians(360d);
                    }
                    else if (yaw <= AngleConvert.ToRadians(-180d))
                    {
                        yaw += AngleConvert.ToRadians(360d);
                    }
                }

                return(yaw);
            });

            IObservable <EulerAngles> angularPositionSetpoint =
                Observable.CombineLatest(
                    angularPositionPitchSetpoint,
                    angularPositionRollSetpoint,
                    angularPositionYawSetpoint,
                    (pitch, roll, yaw) =>
                    new EulerAngles(pitch, roll, yaw));

            var pilot = new WindowsPilot(
                aircraft,
                thrust,
                angularPositionSetpoint,
                ahrs.AngularVelocityCalibrated,
                ahrs.AngularPosition);

            outputTimer.Subscribe(state => pilot.WriteOutput());
            return(pilot);
        }
 /// <summary>
 /// Sets up the filters, build arguments and aircraft for a test that confirms that combinations of filters behave correctly.
 /// </summary>
 /// <param name="filterProperty"></param>
 /// <param name="aircraft"></param>
 /// <param name="complies"></param>
 private void PrepareForCombinationTest(PropertyInfo filterProperty, IAircraft aircraft, bool complies)
 {
     switch(filterProperty.Name) {
         case "AltitudeLower":
             _AircraftListFilter.AltitudeLower = 10000;
             aircraft.Altitude = complies ? 15000 : 1000;
             break;
         case "AltitudeUpper":
             _AircraftListFilter.AltitudeUpper = 20000;
             aircraft.Altitude = complies ? 15000 : 30000;
             break;
         case "CallsignContains":
             _AircraftListFilter.CallsignContains = "ABC";
             aircraft.Callsign = complies ? "ABC123" : "XYZ987";
             break;
         case "DistanceLower":
             _AircraftListFilter.DistanceLower = 15;
             _AircraftListAddress.BrowserLatitude = _AircraftListAddress.BrowserLongitude = 0;
             aircraft.Latitude = aircraft.Longitude = complies ? 0.15F : 0.01F;
             break;
         case "DistanceUpper":
             _AircraftListFilter.DistanceUpper = 30;
             _AircraftListAddress.BrowserLatitude = _AircraftListAddress.BrowserLongitude = 0;
             aircraft.Latitude = aircraft.Longitude = complies ? 0.15F : 0.2F;
             break;
         case "EngineTypeEquals":
             _AircraftListFilter.EngineTypeEquals = EngineType.Piston;
             aircraft.EngineType = complies ? EngineType.Piston : EngineType.Jet;
             break;
         case "Icao24CountryContains":
             _AircraftListFilter.Icao24CountryContains = "UNITED";
             aircraft.Icao24Country = complies ? "UNITED KINGDOM" : "BELGIUM";
             break;
         case "IsInterestingEquals":
             _AircraftListFilter.IsInterestingEquals = true;
             aircraft.IsInteresting = complies ? true : false;
             break;
         case "IsMilitaryEquals":
             _AircraftListFilter.IsMilitaryEquals = true;
             aircraft.IsMilitary = complies ? true : false;
             break;
         case "MustTransmitPosition":
             _AircraftListFilter.MustTransmitPosition = true;
             aircraft.Latitude = aircraft.Longitude = complies ? 1F : (float?)null;
             break;
         case "OperatorContains":
             _AircraftListFilter.OperatorContains = "TRU";
             aircraft.Operator = complies ? "ERMENUTRUDE AIRLINES" : "DOOGAL INTERNATIONAL";
             break;
         case "PositionWithin":
             _AircraftListFilter.PositionWithin = new Pair<Coordinate>(new Coordinate(4F, 1F), new Coordinate(1F, 4F));
             aircraft.Latitude = aircraft.Longitude = complies ? 3F : 6F;
             break;
         case "RegistrationContains":
             _AircraftListFilter.RegistrationContains = "GLU";
             aircraft.Registration = complies ? "G-GLUE" : "G-LUUU";
             break;
         case "SpeciesEquals":
             _AircraftListFilter.SpeciesEquals = Species.Helicopter;
             aircraft.Species = complies ? Species.Helicopter : Species.Landplane;
             break;
         case "SquawkLower":
             _AircraftListFilter.SquawkLower = 2000;
             aircraft.Squawk = complies ? 7654 : 1234;
             break;
         case "SquawkUpper":
             _AircraftListFilter.SquawkUpper = 4000;
             aircraft.Squawk = complies ? 2345 : 4567;
             break;
         case "TypeStartsWith":
             _AircraftListFilter.TypeStartsWith = "A38";
             aircraft.Type = complies ? "A380" : "A340";
             break;
         case "WakeTurbulenceCategoryEquals":
             _AircraftListFilter.WakeTurbulenceCategoryEquals = WakeTurbulenceCategory.Heavy;
             aircraft.WakeTurbulenceCategory = complies ? WakeTurbulenceCategory.Heavy : WakeTurbulenceCategory.Medium;
             break;
         default:
             Assert.Fail("Need to add code to prepare objects for {0} filter", filterProperty.Name);
             break;
     }
 }
Exemplo n.º 41
0
        /// <summary>
        /// Applies the fetched aircraft record to the aircraft detail, raising any events appropriate.
        /// </summary>
        /// <param name="detail"></param>
        /// <param name="databaseAircraft"></param>
        /// <param name="aircraft"></param>
        /// <param name="onlineAircraft"></param>
        /// <param name="isFirstFetch"></param>
        /// <param name="flightsCount"></param>
        private AircraftDetail ApplyDatabaseRecord(AircraftDetail detail, BaseStationAircraft databaseAircraft, AircraftOnlineLookupDetail onlineAircraft, IAircraft aircraft, bool isFirstFetch, int flightsCount = -1)
        {
            var databaseAircraftChanged = detail == null;

            if (!databaseAircraftChanged)
            {
                if (detail.Aircraft == null)
                {
                    databaseAircraftChanged = databaseAircraft != null;
                }
                else
                {
                    databaseAircraftChanged = !detail.Aircraft.Equals(databaseAircraft);
                    if (!databaseAircraftChanged && flightsCount > -1 && flightsCount != detail.FlightsCount)
                    {
                        databaseAircraftChanged = true;
                    }
                }
            }

            var onlineAircraftChanged = detail == null;

            if (!onlineAircraftChanged)
            {
                if (detail.OnlineAircraft == null)
                {
                    onlineAircraftChanged = onlineAircraft != null;
                }
                else
                {
                    onlineAircraftChanged = !detail.OnlineAircraft.ContentEquals(onlineAircraft);
                }
            }

            if (_ForceRefreshOfStandingData && detail != null)
            {
                detail.AircraftType = null;
            }

            var icaoTypeCode = databaseAircraft == null ? null : databaseAircraft.ICAOTypeCode;

            if (String.IsNullOrEmpty(icaoTypeCode) && onlineAircraft != null)
            {
                icaoTypeCode = onlineAircraft.ModelIcao;
            }

            var aircraftType        = detail == null ? null : detail.AircraftType;
            var aircraftTypeChanged = detail == null;

            if (icaoTypeCode != null && (_ForceRefreshOfStandingData || detail == null || detail.Aircraft == null || detail.ModelIcao != icaoTypeCode))
            {
                aircraftType        = _StandingDataManager.FindAircraftType(icaoTypeCode);
                aircraftTypeChanged = true;
            }

            if (databaseAircraftChanged || onlineAircraftChanged || aircraftTypeChanged)
            {
                if (flightsCount == -1)
                {
                    flightsCount = detail != null ? detail.FlightsCount
                                          : databaseAircraft == null ? 0
                                          : _AutoConfigDatabase.Database.GetCountOfFlightsForAircraft(databaseAircraft, new SearchBaseStationCriteria()
                    {
                        Date = new FilterRange <DateTime>(DateTime.MinValue, DateTime.MaxValue),
                    });
                }

                detail = new AircraftDetail()
                {
                    Aircraft       = databaseAircraft,
                    OnlineAircraft = onlineAircraft,
                    AircraftType   = aircraftType,
                    FlightsCount   = flightsCount,
                    Icao24         = aircraft.Icao24,
                    Picture        = detail == null ? null : detail.Picture,
                };
                OnFetched(new EventArgs <AircraftDetail>(detail));
            }

            var registration = databaseAircraft != null ? databaseAircraft.Registration : aircraft.Registration;

            if (registration == null && onlineAircraft != null)
            {
                registration = onlineAircraft.Registration;
            }

            if (_PictureLookupThread != null)
            {
                _PictureLookupThread.Enqueue(new LookupPictureDetail()
                {
                    Icao          = aircraft.Icao24,
                    Registration  = registration,
                    PictureDetail = detail == null ? null : detail.Picture,
                });
            }

            return(detail);
        }
 private void PrepareForSortTest(string sortColumn, IAircraft aircraft, bool setLow)
 {
     switch(sortColumn) {
         case AircraftComparerColumn.Altitude:                   aircraft.Altitude = setLow ? 1 : 2; break;
         case AircraftComparerColumn.Callsign:                   aircraft.Callsign = setLow ? "A" : "B"; break;
         case AircraftComparerColumn.Destination:                aircraft.Destination = setLow ? "A" : "B"; break;
         case AircraftComparerColumn.DistanceFromHere:           aircraft.Latitude = aircraft.Longitude = setLow ? 1 : 2; break;
         case AircraftComparerColumn.FirstSeen:                  aircraft.FirstSeen = setLow ? new DateTime(2001, 1, 1, 0, 0, 0) : new DateTime(2001, 1, 1, 0, 0, 1); break;
         case AircraftComparerColumn.FlightsCount:               aircraft.FlightsCount = setLow ? 1 : 2; break;
         case AircraftComparerColumn.GroundSpeed:                aircraft.GroundSpeed = setLow ? 1 : 2; break;
         case AircraftComparerColumn.Icao24:                     aircraft.Icao24 = setLow ? "A" : "B"; break;
         case AircraftComparerColumn.Icao24Country:              aircraft.Icao24Country = setLow ? "A" : "B"; break;
         case AircraftComparerColumn.Model:                      aircraft.Model = setLow ? "A" : "B"; break;
         case AircraftComparerColumn.NumberOfEngines:            aircraft.NumberOfEngines = setLow ? "1" : "2"; break;
         case AircraftComparerColumn.Operator:                   aircraft.Operator = setLow ? "A" : "B"; break;
         case AircraftComparerColumn.OperatorIcao:               aircraft.OperatorIcao = setLow ? "A" : "B"; break;
         case AircraftComparerColumn.Origin:                     aircraft.Origin = setLow ? "A" : "B"; break;
         case AircraftComparerColumn.Registration:               aircraft.Registration = setLow ? "A" : "B"; break;
         case AircraftComparerColumn.Species:                    aircraft.Species = setLow ? Species.Amphibian : Species.Helicopter; break;
         case AircraftComparerColumn.Squawk:                     aircraft.Squawk = setLow ? 1 : 2; break;
         case AircraftComparerColumn.Type:                       aircraft.Type = setLow ? "A" : "B"; break;
         case AircraftComparerColumn.VerticalRate:               aircraft.VerticalRate = setLow ? 1 : 2; break;
         case AircraftComparerColumn.WakeTurbulenceCategory:     aircraft.WakeTurbulenceCategory = setLow ? WakeTurbulenceCategory.Light : WakeTurbulenceCategory.Medium; break;
         default:                                                throw new NotImplementedException();
     }
 }
        /// <summary>
        /// Adds the aircraft passed across to the list.
        /// </summary>
        /// <param name="aircraft"></param>
        private void AddAircraftToList(IAircraft aircraft)
        {
            if(aircraft.Latitude != null && aircraft.Longitude != null && (aircraft.Latitude != 0.0 || aircraft.Longitude != 0.0)) {
                ListViewItem item = new ListViewItem(new string[] { aircraft.Registration, aircraft.Icao24, aircraft.Type, aircraft.Operator });
                item.Tag = aircraft;

                listView.Items.Add(item);
            }
        }
 public override string GetDisplayerText(IAircraft iaircraft)
 {
     //TemplateAircraft aircraft = (TemplateAircraft) iaircraft;
     return(""); //tobo
 }
 /// <summary>
 /// Updates an existing aircraft in the list.
 /// </summary>
 /// <param name="aircraft"></param>
 /// <param name="item"></param>
 private void UpdateAircraftInList(IAircraft aircraft, ListViewItem item)
 {
     if(item.SubItems[0].Text != aircraft.Registration)  item.SubItems[0].Text = aircraft.Registration;
     if(item.SubItems[1].Text != aircraft.Icao24)        item.SubItems[1].Text = aircraft.Icao24;
     if(item.SubItems[2].Text != aircraft.Type)          item.SubItems[2].Text = aircraft.Type;
     if(item.SubItems[3].Text != aircraft.Operator)      item.SubItems[3].Text = aircraft.Operator;
     item.Tag = aircraft;
 }
 public override string GetText(IAircraft iaircraft)
 {
     return(""); //todo
 }
Exemplo n.º 47
0
 // Use this for initialization
 void Start()
 {
     controller = new Controller();
     aircraft   = GameObject.FindGameObjectWithTag("Drone")
                  .GetComponent <Drone>();
 }
Exemplo n.º 48
0
 public void Cleanup()
 {
     seabirdAir = null;
     seabirdSea = null;
 }
Exemplo n.º 49
0
        /// <summary>
        /// See base class.
        /// </summary>
        /// <param name="server"></param>
        /// <param name="args"></param>
        /// <returns></returns>
        protected override bool DoHandleRequest(Interface.WebServer.IWebServer server, Interface.WebServer.RequestReceivedEventArgs args)
        {
            bool result = false;

            if ((!args.IsInternetRequest || _InternetClientCanRequestClosestAircraft) && args.PathAndFile.Equals("/ClosestAircraft.json", StringComparison.OrdinalIgnoreCase))
            {
                result = true;

                var latitude  = QueryNDouble(args, "lat");
                var longitude = QueryNDouble(args, "lng");

                var json = new ProximityGadgetAircraftJson();

                if (latitude == null || longitude == null)
                {
                    json.WarningMessage = "Position not supplied";
                }
                else
                {
                    var receiver = _ReceiverManager.GetByUniqueId(_ReceiverId, ignoreInvisibleFeeds: true);
                    if (receiver == null)
                    {
                        json.WarningMessage = "Receiver is offline";
                    }
                    else
                    {
                        var baseStationAircraftList = receiver.AircraftList;

                        long timeStamp, dataVersion;
                        var  aircraftList = baseStationAircraftList.TakeSnapshot(out timeStamp, out dataVersion);

                        IAircraft closestAircraft = null;
                        double?   closestDistance = null;

                        foreach (var aircraft in aircraftList)
                        {
                            double?distance = null;
                            if (aircraft.Latitude != null && aircraft.Longitude != null)
                            {
                                distance = GreatCircleMaths.Distance(latitude, longitude, aircraft.Latitude, aircraft.Longitude);
                                if (distance != null && closestAircraft == null || distance < closestDistance)
                                {
                                    closestAircraft = aircraft;
                                    closestDistance = distance;
                                }
                            }

                            if (aircraft.Emergency == true)
                            {
                                json.EmergencyAircraft.Add(CreateProximityGadgetClosestAircraftJson(aircraft, distance, latitude, longitude));
                            }
                        }

                        if (closestAircraft != null)
                        {
                            var closestJsonAircraft = CreateProximityGadgetClosestAircraftJson(closestAircraft, closestDistance, latitude, longitude);
                            json.ClosestAircraft = closestJsonAircraft;
                        }
                    }
                }

                Responder.SendJson(args.Request, args.Response, json, null, MimeType.Text);       // The proximity gagdet is expecting the text MIME type and will ignore JSON...
                args.Classification = ContentClassification.Json;
            }

            return(result);
        }
Exemplo n.º 50
0
 /// <summary>
 /// Returns the English description of the species of the aircraft passed across.
 /// </summary>
 /// <param name="aircraft"></param>
 /// <returns></returns>
 private string SpeciesDescription(IAircraft aircraft)
 {
     return(aircraft.Species == Species.None ? "" : aircraft.Species.ToString());
 }
 public AircraftController(IAircraft aircraftService)
 {
     _aircraftService = aircraftService;
 }
Exemplo n.º 52
0
 public void Register(IAircraft aircraft)
 {
     _aircraftList.Add(aircraft);
 }
 public Application(ITransportFactory factory)
 {
     _aircraft    = factory.CreateTransportAircraft();
     _landvehicle = factory.CreateTransportVehicle();
 }
Exemplo n.º 54
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 public Key(IAircraft aircraft)
 {
     Icao24       = aircraft.Icao24?.ToUpper();
     Callsign     = aircraft.Callsign?.ToUpper();
     OperatorIcao = aircraft.OperatorIcao?.ToUpper();
 }
 public AircraftSelectionDataItem(IAircraft aircraft, DataGroup @group, int rowSpan, int colSpan)
     : base(aircraft.UniqueId, aircraft.UniqueId, aircraft.ImagePath, @group, rowSpan, colSpan)
 {
     Version = aircraft.Version;
 }
        /// <summary>
        /// Calculates an approximate bank angle based on the change in track of an aircraft since its last update.
        /// </summary>
        /// <param name="previousAircraft"></param>
        /// <param name="aircraft"></param>
        /// <returns></returns>
        private double ApproximateBank(IAircraft previousAircraft, IAircraft aircraft)
        {
            double result = 0.0;

            if(previousAircraft != null) {
                if(previousAircraft.UniqueId == aircraft.UniqueId) {
                    if(previousAircraft.LastUpdate == aircraft.LastUpdate) result = _LastApproximatedBank;
                    else {
                        var delta = previousAircraft.Track - aircraft.Track;
                        if(delta < 180F) delta += 360F;
                        if(delta > 180F) delta -= 360F;

                        result = ((double?)delta * 2.0).GetValueOrDefault();
                        result = Math.Max(-40.0, Math.Min(40.0, result));
                    }
                }
            }

            _LastApproximatedBank = result;
            return result;
        }
Exemplo n.º 57
0
 public void ReceiveMessage(IAircraft sender, string message)
 {
     Console.WriteLine($"{sender.Airline} @{sender.Altitude} => {Airline} @{Altitude}: {message}");
 }
        /// <summary>
        /// Repositions the FSX aircraft to match the location, speed and attitude of a real aircraft.
        /// </summary>
        private void MoveAircraft()
        {
            var selectedAircraft = _View.SelectedRealAircraft;

            if(_View.RidingAircraft && selectedAircraft != null) {
                long trash1, trash2;
                var aircraft = BaseStationAircraftList.TakeSnapshot(out trash1, out trash2).Where(a => a.UniqueId == selectedAircraft.UniqueId).FirstOrDefault();
                if(aircraft != null) {
                    var speedLimit = (float)_MaximumAirspeed - 30f;

                    var writeAircraftInformation = new WriteAircraftInformation();
                    writeAircraftInformation.AirspeedIndicated = aircraft.GroundSpeed > speedLimit ? speedLimit : aircraft.GroundSpeed.GetValueOrDefault();
                    aircraft.GroundSpeed.GetValueOrDefault();
                    writeAircraftInformation.Altitude = aircraft.Altitude.GetValueOrDefault();
                    writeAircraftInformation.Operator = aircraft.Operator;
                    writeAircraftInformation.Registration = aircraft.Registration;
                    //writeAircraftInformation.Type = aircraft.Type;
                    //writeAircraftInformation.Model = aircraft.Model;
                    writeAircraftInformation.Latitude = aircraft.Latitude.GetValueOrDefault();
                    writeAircraftInformation.Longitude = aircraft.Longitude.GetValueOrDefault();
                    writeAircraftInformation.TrueHeading = aircraft.Track.GetValueOrDefault();
                    writeAircraftInformation.VerticalSpeed = aircraft.VerticalRate.GetValueOrDefault();
                    writeAircraftInformation.Bank = ApproximateBank(_MovedAircraft, aircraft);

                    _MovedAircraft = aircraft;

                    _FlightSimulatorX.MoveAircraft(writeAircraftInformation);
                }
            }
        }
Exemplo n.º 59
0
 public void TestInitialise()
 {
     _Aircraft = Factory.Singleton.Resolve <IAircraft>();
 }
Exemplo n.º 60
0
        /// <summary>
        /// Returns true if the aircraft passes the filter criteria passed across.
        /// </summary>
        /// <param name="aircraft"></param>
        /// <param name="filter"></param>
        /// <returns></returns>
        private bool PassesFilter(IAircraft aircraft, AircraftListJsonBuilderFilter filter)
        {
            bool result = filter == null;

            if (!result)
            {
                result = true;
                if (filter.AltitudeLower != null)
                {
                    result = aircraft.Altitude != null && aircraft.Altitude >= filter.AltitudeLower;
                }
                if (result && filter.AltitudeUpper != null)
                {
                    result = aircraft.Altitude != null && aircraft.Altitude <= filter.AltitudeUpper;
                }
                if (result && !String.IsNullOrEmpty(filter.CallsignContains))
                {
                    result = aircraft.Callsign != null && aircraft.Callsign.Contains(filter.CallsignContains);
                }
                if (result && filter.EngineTypeEquals != null)
                {
                    result = aircraft.EngineType == filter.EngineTypeEquals;
                }
                if (result && !String.IsNullOrEmpty(filter.Icao24CountryContains))
                {
                    result = aircraft.Icao24Country != null && aircraft.Icao24Country.ToUpperInvariant().Contains(filter.Icao24CountryContains);
                }
                if (result && filter.IsInterestingEquals != null)
                {
                    result = aircraft.IsInteresting == filter.IsInterestingEquals;
                }
                if (result && filter.IsMilitaryEquals != null)
                {
                    result = aircraft.IsMilitary == filter.IsMilitaryEquals;
                }
                if (result && filter.MustTransmitPosition)
                {
                    result = aircraft.Latitude != null && aircraft.Longitude != null;
                }
                if (result && !String.IsNullOrEmpty(filter.OperatorContains))
                {
                    result = aircraft.Operator != null && aircraft.Operator.ToUpperInvariant().Contains(filter.OperatorContains);
                }
                if (result && filter.PositionWithin != null)
                {
                    result = IsWithinBounds(aircraft.Latitude, aircraft.Longitude, filter.PositionWithin);
                }
                if (result && !String.IsNullOrEmpty(filter.RegistrationContains))
                {
                    result = aircraft.Registration != null && aircraft.Registration.Contains(filter.RegistrationContains);
                }
                if (result && filter.SpeciesEquals != null)
                {
                    result = aircraft.Species == filter.SpeciesEquals;
                }
                if (result && filter.SquawkLower != null)
                {
                    result = aircraft.Squawk != null && aircraft.Squawk >= filter.SquawkLower;
                }
                if (result && filter.SquawkUpper != null)
                {
                    result = aircraft.Squawk != null && aircraft.Squawk <= filter.SquawkUpper;
                }
                if (result && !String.IsNullOrEmpty(filter.TypeStartsWith))
                {
                    result = aircraft.Type != null && aircraft.Type.StartsWith(filter.TypeStartsWith);
                }
                if (result && filter.WakeTurbulenceCategoryEquals != null)
                {
                    result = aircraft.WakeTurbulenceCategory == filter.WakeTurbulenceCategoryEquals;
                }
            }

            return(result);
        }