public static FixationData Classify(GazeData.GazeData gazeData)
{
FixationData fixationData = gazeData.ToFixationData();
if (XValueList.Count < Settings.Default.IDT_Window)
{
fixationData.Type = "SACCADES";
XValueList.Add(fixationData.X_Median);
YValueList.Add(fixationData.Y_Median);
}
else
{
XValueList.RemoveAt(0);
YValueList.RemoveAt(0);
XValueList.Add(fixationData.X_Median);
YValueList.Add(fixationData.Y_Median);
double dispersion = GetDispersion(fixationData);
if (dispersion > Settings.Default.IDT_Threshold)
{
if (PreviousFixationData.Type == "FIXATIONS")
{
fixationData.EventType = "END";
}
fixationData.EventType = "SACCADES";
fixationData.Type = "SACCADES";
//Console.WriteLine("-------------XXX--------------------");
}
else
{
//Console.WriteLine("--------------------FIXATION--------------------");
fixationData.Type = "FIXATIONS";
if (PreviousFixationData.Type == "SACCADES")
{
fixationData.EventType = "BEGIN";
counter += 1;
}
else
{
fixationData.EventType = "DATA";
}
// For Fixations - compute centroid
fixationData.X_Median = XValueList.Average();
fixationData.Y_Median = YValueList.Average();
}
}
//Console.WriteLine(counter);
PreviousFixationData = fixationData;
return(fixationData);
}
public static FixationData Classify(GazeData.GazeData gazeData, double threshold)
{
FixationData fixationData = gazeData.ToFixationData();
if (PreviousFixationData == null)
{
fixationData.Type = "SACCADES";
}
else
{
double distance = GetDistance(PreviousFixationData, gazeData);
if (distance > 600)
{
if (PreviousFixationData.Type == "FIXATIONS")
{
fixationData.EventType = "END";
}
fixationData.Type = "SACCADES";
//Console.WriteLine("-------------XXX--------------------");
}
else
{
//Console.WriteLine("--------------------FIXATION--------------------");
fixationData.Type = "FIXATIONS";
if (PreviousFixationData.Type == "SACCADES")
{
fixationData.EventType = "BEGIN";
}
else
{
fixationData.EventType = "DATA";
}
}
}
PreviousFixationData = fixationData;
return(fixationData);
}