private void CalculateGazeCoordinates(TrackData td)
{
GTPoint gazedCoordinatesLeft;
GTPoint gazedCoordinatesRight = new GTPoint();
GTPoint smoothedCoordinates;
#region Monocular/Left eye
calibration.PupilCenterLeft = trackData.PupilDataLeft.Center;
if (Settings.Instance.Processing.TrackingGlints)
{
calibration.GlintConfigLeft = td.GlintDataLeft.Glints;
}
gazedCoordinatesLeft = calibration.GetGazeCoordinates(td, EyeEnum.Left);
#endregion
#region Binocular/Right eye
if (Settings.Instance.Processing.TrackingMode == TrackingModeEnum.Binocular)
{
calibration.PupilCenterRight = td.PupilDataRight.Center;
if (Settings.Instance.Processing.TrackingGlints)
{
calibration.GlintConfigRight = td.GlintDataRight.Glints;
}
gazedCoordinatesRight = calibration.GetGazeCoordinates(td, EyeEnum.Right);
}
#endregion
#region Smoothing/Eye movement state
if (Settings.Instance.Processing.EyeMouseSmooth)
{
var p = new GTPoint(gazedCoordinatesLeft.X, gazedCoordinatesLeft.Y);
if (Settings.Instance.Processing.TrackingMode == TrackingModeEnum.Binocular)
{
if (gazedCoordinatesRight.Y != 0 && gazedCoordinatesRight.X != 0)
{
p.X += gazedCoordinatesRight.X;
p.Y += gazedCoordinatesRight.Y;
p.X = p.X / 2;
p.Y = p.Y / 2;
}
}
this.eyeMovement.CalculateEyeMovement(p);
smoothedCoordinates = exponentialSmoother.Smooth(p);
//if (this.eyeMovement.EyeMovementState == Classifier.EyeMovementStateEnum.Fixation)
// smoothedCoordinates = exponentialSmoother.Smooth(p);
//else
//{
// smoothedCoordinates = p;
// this.exponentialSmoother.Stop();
//}
trackData.EyeMovement = this.eyeMovement.EyeMovementState;
gazeDataSmoothed.Set(smoothedCoordinates.X, smoothedCoordinates.Y, smoothedCoordinates.X, smoothedCoordinates.Y);
}
#endregion
#region Set values, raise events
// trigger OnGazeData events
this.gazeDataRaw.Set(
gazedCoordinatesLeft.X,
gazedCoordinatesLeft.Y,
gazedCoordinatesRight.X,
gazedCoordinatesRight.Y);
this.trackData.GazeDataRaw = this.gazeDataRaw;
this.trackData.GazeDataSmoothed = this.gazeDataSmoothed;
// Trigger OnExtendedGazeData events
this.gazeDazaExtended.Set(
this.trackData.TimeStamp,
this.gazeDataRaw.GazePositionX,
this.gazeDataRaw.GazePositionY,
this.trackData.PupilDataLeft.Diameter,
this.trackData.PupilDataRight.Diameter);
#endregion
}
private void CalculateGazeCoordinates(TrackData td)
{
GTPoint gazedCoordinatesLeft;
GTPoint gazedCoordinatesRight = new GTPoint();
GTPoint smoothedCoordinates;
#region Monocular/Left eye
calibration.PupilCenterLeft = trackData.PupilDataLeft.Center;
if (GTSettings.Current.Processing.TrackingGlints)
{
calibration.GlintConfigLeft = td.GlintDataLeft.Glints;
}
gazedCoordinatesLeft = calibration.GetGazeCoordinates(td, EyeEnum.Left);
#endregion
#region Binocular/Right eye
if (GTSettings.Current.Processing.TrackingMode == TrackingModeEnum.Binocular)
{
calibration.PupilCenterRight = td.PupilDataRight.Center;
if (GTSettings.Current.Processing.TrackingGlints)
{
calibration.GlintConfigRight = td.GlintDataRight.Glints;
}
gazedCoordinatesRight = calibration.GetGazeCoordinates(td, EyeEnum.Right);
}
#endregion
#region Smoothing/Eye movement state
if (GTSettings.Current.Processing.EyeMouseSmooth)
{
var p = new GTPoint(gazedCoordinatesLeft.X, gazedCoordinatesLeft.Y);
if (GTSettings.Current.Processing.TrackingMode == TrackingModeEnum.Binocular)
{
if (gazedCoordinatesRight.Y != 0 && gazedCoordinatesRight.X != 0)
{
p.X += gazedCoordinatesRight.X;
p.Y += gazedCoordinatesRight.Y;
p.X = p.X / 2;
p.Y = p.Y / 2;
}
}
this.eyeMovement.CalculateEyeMovement(p);
if (this.eyeMovement.EyeMovementState == Classifier.EyeMovementStateEnum.Fixation)
{
smoothedCoordinates = exponentialSmoother.Smooth(p);
}
else
{
smoothedCoordinates = p;
this.exponentialSmoother.Stop();
}
trackData.EyeMovement = this.eyeMovement.EyeMovementState;
gazeDataSmoothed.Set(smoothedCoordinates.X, smoothedCoordinates.Y, smoothedCoordinates.X, smoothedCoordinates.Y);
}
#endregion
#region Set values, raise events
// trigger OnGazeData events
gazeDataRaw.Set(gazedCoordinatesLeft.X, gazedCoordinatesLeft.Y, gazedCoordinatesRight.X, gazedCoordinatesRight.Y);
// Sends values via the UDP server directly
if (server.IsStreamingGazeData)
{
if (server.SendSmoothedData)
{
server.SendGazeData(gazeDataSmoothed.GazePositionX, gazeDataSmoothed.GazePositionY);
}
else
{
// Send avg. value
server.SendGazeData(gazeDataRaw.GazePositionX, gazeDataRaw.GazePositionY);
}
}
trackData.GazeDataRaw = gazeDataRaw;
trackData.GazeDataSmoothed = gazeDataSmoothed;
#endregion
}
