public static void GetHistogram(FunctionData data)
{
var amp = data.Amplitude.Value;
data.SetAmplitude();
var max = data.StartTime.Value + data.Duration.Value;
if (data.Period.Visibility)
{
max = data.Period.Value * Math.Floor(data.Duration.Value / data.Period.Value) + data.StartTime.Value;
}
data.HistogramPoints.Clear();
var step = data.Amplitude.Value * 2 / (data.HistogramIntervals.Value - 1);
for (var i = 0; i < data.HistogramIntervals.Value; i++)
{
data.HistogramPoints.Add(new Point(i * step - data.Amplitude.Value, 0));
}
foreach (var point in data.Points)
{
if (point.X > max)
{
break;
}
var index = (int)((point.Y + data.Amplitude.Value) / step);
if (Math.Abs(step) < double.Epsilon)
{
index = 0;
}
try
{
data.HistogramPoints[index].Y++;
}
catch (ArgumentOutOfRangeException)
{
}
}
foreach (var point in data.HistogramPoints)
{
var x = point.X;
var y = point.Y;
}
data.Amplitude.Value = amp;
data.HistogramPointsUpdate();
}