public Window1()
{
#region scaffolding
InitializeComponent();
MouseMove += (_, args) => _lastEyePosition = args.GetPosition(this);
Observable.Context = SynchronizationContexts.CurrentDispatcher;//Automatic marshaling of all events to correct context
var eyePositions = Observable.Interval(TimeSpan.FromMilliseconds(1)).Select(_ => _lastEyePosition);
#endregion
eyePositions.Subscribe(point => currentLocation.Content = point);
var fixtationFilter = new WindowAverageFixationFilter(windowSize: 8, tolerance: 30);
var movements = eyePositions.Movements();
var distance = movements.TotalMovementDistance();
var fixationPositions = eyePositions.Select(fixtationFilter.CurrentFixationPosition);
fixationPositions.Subscribe(point => currentFixationPosition.Content = point);
movements.Subscribe(move => lastMovement.Content = move);
distance.Subscribe(travelled => distanceTravelled.Content = travelled);
}
public void ShouldBeBloodyPerformant()
{
var stopwatch = new Stopwatch();
stopwatch.Start();
//use 48 hours and show memoryconsumption during work.
//Also show profiler result and mention optimization possibilities and how DRY code enables them;
const int hours = 4;
const int herz = 60;
var anHoursWorthOfGazeData = GenerateRandomGazePointWalk(hertz: herz, hours: hours);
var filter = new WindowAverageFixationFilter(windowSize: 10, tolerance: 20);
var fixations = anHoursWorthOfGazeData.Fixations(filter);
var fixationCount = fixations.Count();
Console.WriteLine(@"Took {0} to parse {1} hours worth of gaze data at {2} herz. Found {3} fixations",
stopwatch.Elapsed, hours, herz, fixationCount);
}
