void DrawFastFourierPlot(List <DataPoint> previousPoints) //, out List<double> measuredValues
{
DrawChart(previousPoints, false);
Stopwatch s = new Stopwatch();
s.Start();
complexPoints = FastFourierTransform.Transform(previousPoints.Select(p => p.Y).ToList());
s.Stop();
ElapsedTime = s.Elapsed;
var realYValues = complexPoints.Select(p => p.Real).ToList();
List <DataPoint> realDataPoints = new List <DataPoint>();
for (int i = 0; i < realYValues.Count; i++)
{
realDataPoints.Add(new DataPoint(i, realYValues[i]));
}
DrawChart(realDataPoints, false, true);
var imaginaryYValues = complexPoints.Select(p => p.Imaginary).ToList();
List <DataPoint> imaginaryDataPoints = new List <DataPoint>();
for (int i = 0; i < imaginaryYValues.Count; i++)
{
imaginaryDataPoints.Add(new DataPoint(i, imaginaryYValues[i]));
}
DrawLowerChart(imaginaryDataPoints, true, "Część urojona");
}
void DrawReverseFastFourierPlot(List <Complex> previousPoints) //, out List<double> measuredValues
{
Stopwatch s = new Stopwatch();
s.Start();
var reversedPoints = FastFourierTransform.ReverseTransform(previousPoints);
s.Stop();
ElapsedTime = s.Elapsed;
List <DataPoint> dataPoints = new List <DataPoint>();
for (int i = 0; i < reversedPoints.Count; i++)
{
dataPoints.Add(new DataPoint(i, reversedPoints[i]));
}
DrawChart(dataPoints, false, true);
}