public void PlotSignals()
{
Signal workbookSourceSignal = workBookManager.ActiveWorkBook().SumOfSources();
SignalWaveFile = null;
PlotPoints = new List <DataPoint>(512);
FrequencyViewModel = null;
// Return empty set, this clears the display when all signals are off
if (workbookSourceSignal == null)
{
NotifyPropertyChanged(nameof(PlotPoints));
NotifyPropertyChanged(nameof(FrequencyViewModel));
return;
}
CreateWavFile(workbookSourceSignal);
for (int idx = 0; idx < workbookSourceSignal.Samples.Count; idx++)
{
PlotPoints.Add(new DataPoint(idx, workbookSourceSignal.Samples[idx]));
}
//IDFT cmplxFFT = new ComplexFastFourierTransform();
IDFT cmplxFFT = new DSPGuideComplexDiscreteFourierTransform();
FrequencyDomain frequencyDomain = cmplxFFT.Transform(workbookSourceSignal.Samples, workbookSourceSignal.SamplingHZ);
FrequencyViewModel = new FrequencyHistogramViewModel(frequencyDomain);
NotifyPropertyChanged(nameof(PlotPoints));
NotifyPropertyChanged(nameof(FrequencyViewModel));
}
public void PlotData()
{
List <double> summedFilterData = manager.ActiveWorkBook().CombinedFilterImpulseResponse();
if (null == summedFilterData)
{
return;
}
Signal workbookSourceSignal = manager.ActiveWorkBook().SumOfSources();
if (workbookSourceSignal == null)
{
return;
}
SignalPlotPoints = new List <DataPoint>(workbookSourceSignal.Samples.Count);
for (int idx = 0; idx < workbookSourceSignal.Samples.Count; idx++)
{
SignalPlotPoints.Add(new DataPoint(idx, workbookSourceSignal.Samples[idx]));
}
ConvolutionPlotPoints = new List <DataPoint>(summedFilterData.Count);
for (int idx = 0; idx < summedFilterData.Count; idx++)
{
ConvolutionPlotPoints.Add(new DataPoint(idx, summedFilterData[idx]));
}
List <double> convolutionResult = convolver.Convolve(summedFilterData, workbookSourceSignal.Samples, ConvolutionType.INPUTSIDE);
ResultPlotPoints = new List <DataPoint>(convolutionResult.Count);
for (int idx = 0; idx < convolutionResult.Count; idx++)
{
ResultPlotPoints.Add(new DataPoint(idx, convolutionResult[idx]));
}
//IDFT cmplxFFT = new ComplexFastFourierTransform();
IDFT cmplxFFT = new DSPGuideComplexDiscreteFourierTransform();
FrequencyDomain frequencyDomain = cmplxFFT.Transform(convolutionResult, workbookSourceSignal.SamplingHZ);
ResultFrequencyHistogram = new FrequencyHistogramViewModel(frequencyDomain);
NotifyPropertyChanged(nameof(SignalPlotPoints));
NotifyPropertyChanged(nameof(ConvolutionPlotPoints));
NotifyPropertyChanged(nameof(ResultPlotPoints));
NotifyPropertyChanged(nameof(ResultFrequencyHistogram));
}