private async void OnPropertyChanged(HistogramMethod method, string target, string observation)
{
hmethod = method;
var data = Data;
var io = await Task.Run(() => GetInputOutput(data, observation, target));
if (io != null)
{
await Update(io.Item1.Zip(io.Item2, (a, b) => Tuple.Create(a, b)).ToArray(), BinCount, BinSize, method)
.ContinueWith(async(xx) =>
await this.Dispatcher.InvokeAsync(async() =>
{
var points = await xx;
if (points != null)
{
this.SetValue(PointsProperty, points);
}
}, System.Windows.Threading.DispatcherPriority.Background, default(System.Threading.CancellationToken)));
//subject.OnNext(data.ToList());
}
}
private static Dictionary <Tuple <double, double>, double> GetHistogram(IEnumerable <Tuple <double, double> > data, HistogramMethod method, int bincount, double binsize)
{
switch (method)
{
case (HistogramMethod.Count):
return(UtilityMath.Histogram.ToHistogramByBinCount((data), bincount).ToDictionary(_ => _.Key, _ => _.Value));
case (HistogramMethod.Size):
return(UtilityMath.Histogram.ToHistogram((data), binsize));
default:
throw new ArgumentOutOfRangeException();
}
}
private static async Task <dynamic> Update(IEnumerable <Tuple <double, double> > data, double bincount, double binsize, HistogramMethod method)
{
if (data != null)
{
if (data.Count() > 0)
{
return(await Task.Run(() =>
{
var his = GetHistogram(data, method, Convert.ToInt16(bincount), (double)binsize);
return his.SelectMany(_ => new[] { Tuple.Create(_.Key.Item1, _.Value), Tuple.Create(_.Key.Item2, _.Value) }).ToList();
}));
}
}
return(null);
}
