public GazePoint GetFixation(GazeBuffer aHistory, GazePoint aNewPoint, int aWindowSize)
{
double x = 0.0;
double y = 0.0;
double count = 0.0;
int w = 1;
if (aHistory != null)
{
foreach (GazePoint pt in aHistory)
{
if (aWindowSize > 0)
{
GazePoint refPoint = aNewPoint != null ? aNewPoint : aHistory.Last;
if (refPoint.Timestamp - pt.Timestamp > aWindowSize)
continue;
}
x += w * pt.X;
y += w * pt.Y;
count += w;
w++;
}
}
if (aNewPoint != null)
{
x += w * aNewPoint.X;
y += w * aNewPoint.Y;
count += w;
}
if (count != 0.0)
{
x /= count;
y /= count;
}
return new GazePoint((int)x, (int)y, 0);
}
protected GazePoint GetFixation(GazeBuffer aHistory, GazePoint aNewPoint)
{
return iProcessor.GetFixation(aHistory, aNewPoint, 0);
}
