private Tracker(GTCommands commands)
{
log.Info("Constructing Tracker...");
this.commands = commands;
detectionManager = new DetectionManager();
calibration = new Calibration.Calibration();
recalibration = new Recalibration();
eyeMovement = new Classifier();
exponentialSmoother = new ExponentialSmoother(Settings.Instance.EyeMovement.SmoothNumberOfSamples, 0, (int)Math.Ceiling(Settings.Instance.EyeMovement.SmoothLevel / 5.0));
visualization = new Visualization();
server = new UDPServer();
gazeDataRaw = new GTGazeData();
gazeDataSmoothed = new GTGazeData();
gazeDazaExtended = new GTExtendedData();
processingDone = true;
timerCalibrationDelay = new DispatcherTimer();
timerCalibrationDelay.Interval = TimeSpan.FromMilliseconds(calibrationDelayMilliseconds);
timerCalibrationDelay.Tick += TimerCalibrationTick;
logGaze = new Logger();
logGaze.Server = server; // Used to send messages back to client (log start/stop etc.)
log.Info( "Looking up LoggingEnabled in FileSettings" );
logGaze.IsEnabled = Settings.Instance.FileSettings.LoggingEnabled;
log.Info( "Setting RecalibrationAvailableHandler" );
recalibration.RecalibrationAvailable += new Recalibration.RecalibrationAvailableHandler( recalibration_RecalibrationAvailable );
//recalibration.OnRecalibrationAvailable +=new Recalibration.RecalibrationAvailable(recalibration_OnRecalibrationAvailable);
Settings.Instance.Processing.PropertyChanged += ProcessingSettingsPropertyChanged;
timerCalibrationDelay.Tick += TimerCalibrationTick;
if ( GTHardware.Camera.Instance.Device != null )
{
log.Info( "Setting GTHardware device OnImage EventHandler" );
GTHardware.Camera.Instance.Device.OnImage += new EventHandler<GTHardware.Cameras.ImageEventArgs>( Device_OnImage );
}
log.Info("Completed constructing Tracker");
}
/// <summary>
/// Is called whenever new raw data is available,
/// sends the <see cref="GTExtendedDataChanged"/> event.
/// </summary>
/// <param name="data">The gaze data.</param>
private void OnGTExtendedDataChanged(GTExtendedData data)
{
this.lastTime = data.TimeStamp;
if (this.GTExtendedDataChanged != null)
{
this.GTExtendedDataChanged(data);
}
}
/// <summary>
/// The <see cref="GTExtendedData"/> event handler
/// which is called whenever there is a new frame arrived.
/// Sends the GazeDataChanged event to the recording module.
/// </summary>
/// <param name="data">The tracking data with the mapped gaze
/// coordinates in pixel units.</param>
private void OnGTExtendedDataChanged(GTExtendedData data)
{
var gazeData = new GazeData
{
Time = data.TimeStamp,
PupilDiaX = (float)data.PupilDiameterLeft,
PupilDiaY = (float)data.PupilDiameterRight,
// Calculate values between 0..1
GazePosX = (float)(data.GazePositionX / this.presentationScreenSize.Width),
GazePosY = (float)(data.GazePositionY / this.presentationScreenSize.Height)
};
this.OnGazeDataChanged(new GazeDataChangedEventArgs(gazeData));
}
