public void Initialize()
{
if (_isInitialized)
{
return;
}
_isInitialized = true;
FftResult fftResult = _fftAnalyzer.Analyze(_batCall);
SimpleIntBin[] simpleIntBins = new SimpleIntBin[fftResult.FftData.Length - 1];
int iPeak = 0;
for (int i = 1; i < fftResult.FftData.Length; i++)
{
//231kHz Sample Rate with 1024 Buffer -> 115.5 / 256 Bins => 0.451 kHz pro Bin
simpleIntBins[i - 1] = new SimpleIntBin(fftResult.FftData[i], Math.Round(i * 0.451).ToString(CultureInfo.CurrentCulture), false);
if ((iPeak < fftResult.Peaks.Length) && (fftResult.Peaks[iPeak] == i))
{
simpleIntBins[i - 1].IsHighlighted = true;
iPeak++;
}
}
Frequencies = new ObservableCollection <SimpleIntBin>(simpleIntBins);
PlotModel pm = new PlotModel();
LineSeries lineSeries = new LineSeries();
pm.Series.Add(lineSeries);
pm.Axes.Add(new LinearAxis {
Maximum = 260, Minimum = 0, Position = AxisPosition.Left, Title = "Intensität"
});
pm.Axes.Add(new LinearAxis {
Position = AxisPosition.Bottom, Title = "Dauer [ms]"
});
LineAnnotation lineAnnotation = new LineAnnotation {
Color = OxyColors.DarkRed, LineStyle = LineStyle.Dash, Type = LineAnnotationType.Horizontal, Y = BatCall.MaxPower, Text = $"Ø {BatCall.MaxPower}"
};
pm.Annotations.Add(lineAnnotation);
if (_batCall.PowerData != null)
{
lineSeries.Points.AddRange(_batCall.PowerData.Select((b, i) => new DataPoint(i * 0.246, b)));
}
Power = pm.AddStyles();
}
private PlotModel BuildSampleTimePlotModel()
{
PlotModel pm = new PlotModel();
LineSeries lineSeries = new LineSeries();
pm.Series.Add(lineSeries);
pm.Axes.Add(new LinearAxis {
Position = AxisPosition.Left, Title = "Dauer [ms]"
});
pm.Axes.Add(new DateTimeAxis {
Position = AxisPosition.Bottom, Title = "Zeit"
});
lineSeries.Points.AddRange(ParentViewModel.BatInfos.Select((b, i) => new DataPoint(DateTimeAxis.ToDouble(b.Time), b.SampleDuration)));
pm.PlotMargins = new OxyThickness(50, double.NaN, double.NaN, double.NaN);
return(pm.AddStyles());
}
private PlotModel BuildVoltagePlotModel()
{
PlotModel pm = new PlotModel();
LineSeries lineSeries = new LineSeries();
pm.Series.Add(lineSeries);
pm.Axes.Add(new LinearAxis {
Minimum = 0, Maximum = 5, Position = AxisPosition.Left, Title = "Spannung [V]"
});
pm.Axes.Add(new DateTimeAxis {
Position = AxisPosition.Bottom, Title = "Zeit"
});
lineSeries.Points.AddRange(ParentViewModel.BatInfos.Select((b, i) => new DataPoint(DateTimeAxis.ToDouble(b.Time), b.BatteryVoltage / 1000.0)));
pm.PlotMargins = new OxyThickness(50, double.NaN, double.NaN, double.NaN);
return(pm.AddStyles());
}
private void InitPlots(CallModel callModel)
{
BatCall call = callModel.Call;
PlotModel pmPower = new PlotModel();
LineSeries pwrLineSeries = new LineSeries();
pwrLineSeries.LineJoin = LineJoin.Round;
pmPower.Series.Add(pwrLineSeries);
pmPower.Axes.Add(new LinearAxis {
Maximum = 260, Minimum = 0, Position = AxisPosition.Left, Title = "Intensität"
});
pmPower.Axes.Add(new LinearAxis {
Position = AxisPosition.Bottom, Title = "Dauer [ms]"
});
if (call.PowerData != null)
{
pwrLineSeries.Points.AddRange(call.PowerData.Select((b, i) => new DataPoint(i * 0.251, b)));
}
//if (call.OriginalCalls.Count > 1)
//{
// int leftSum = call.OriginalCalls[0].PowerData.Length;
// for (int i = 0; i < call.OriginalCalls.Count-1; i++)
// {
// int width = (int)Math.Round((call.OriginalCalls[i + 1].StartTimeMs - call.OriginalCalls[i].EndTimeMs) / 0.251);
// double left = leftSum* 0.251;
// double right = left + (width* 0.251);
// RectangleAnnotation annotation = new RectangleAnnotation { Fill = OxyColors.LightGray, Layer = AnnotationLayer.BelowAxes, MinimumX = left, MaximumX = right, MinimumY = 0, MaximumY = 260 };
// //LineAnnotation lineAnnotation = new LineAnnotation { Color = OxyColors.Red, StrokeThickness = 2, LineStyle = LineStyle.Dash, Type = LineAnnotationType.Vertical, X = linePos };
// pmPower.Annotations.Add(annotation);
// leftSum = leftSum + width + call.OriginalCalls[i].PowerData.Length;
// }
//}
OnlineFilter filter = OnlineFilter.CreateBandstop(ImpulseResponse.Infinite, 20, 20, 150);
LineSeries pwrLineSeriesAvg = new LineSeries();
pwrLineSeriesAvg.LineJoin = LineJoin.Round;
pwrLineSeriesAvg.Color = OxyColors.Blue;
pmPower.Series.Add(pwrLineSeriesAvg);
//double[] input = call.PowerData.Select(d => (double)d).ToArray();
//double[] data = filter.ProcessSamples(input);
//pwrLineSeriesAvg.Points.AddRange(data.Select((d, i) => new DataPoint(i * 0.251, d)));
int[] window = new int[] { 2, 4, 8, 4, 2 };
int divisor = window.Sum();
byte[] input = call.PowerData;
for (int i = 0; i < input.Length; i++)
{
double sum = 0;
for (int j = 0; j < 5; j++)
{
int x = i + (j - 2);
double q;
if (x < 0)
{
q = input[0];
}
else if (x >= input.Length)
{
q = input[input.Length - 1];
}
else
{
q = input[x];
}
sum += q * window[j];
}
pwrLineSeriesAvg.Points.Add(new DataPoint(i * 0.251, sum / divisor));
}
LineSeries pwrLineSeriesAvg2 = new LineSeries();
pwrLineSeriesAvg2.LineJoin = LineJoin.Round;
pwrLineSeriesAvg2.Color = OxyColors.Crimson;
pmPower.Series.Add(pwrLineSeriesAvg2);
int avgCount = 7;
int[] ringBuffer = Enumerable.Repeat(-1, avgCount).ToArray();
int bufferIndex = 0;
for (int i = 0; i < call.PowerData.Length; i++)
{
ringBuffer[bufferIndex++] = call.PowerData[i];
if (bufferIndex >= ringBuffer.Length)
{
bufferIndex = 0;
}
if (i > 4)
{
int c = 0;
double mAvg = 0;
for (int j = 0; j < ringBuffer.Length; j++)
{
if (ringBuffer[j] >= 0)
{
c++;
mAvg += ringBuffer[j];
}
}
pwrLineSeriesAvg2.Points.Add(new DataPoint((i - 4) * 0.251, mAvg / c));
}
}
LineAnnotation lineAnnotation = new LineAnnotation {
Color = OxyColors.Red, StrokeThickness = 2, LineStyle = LineStyle.Dash, Type = LineAnnotationType.Horizontal, Y = call.AveragePower
};
pmPower.Annotations.Add(lineAnnotation);
Power = pmPower.AddStyles();
PlotModel pmFreq = new PlotModel();
ColumnSeries freqSeries = new ColumnSeries();
pmFreq.Series.Add(freqSeries);
CategoryAxis item = new CategoryAxis();
item.Position = AxisPosition.Bottom;
item.Title = "Frequenz [kHz]";
item.GapWidth = 0.1;
item.IsTickCentered = true;
item.LabelFormatter = i => LogAnalyzer.GetFrequencyFromFftBin((int)i).ToString(CultureInfo.CurrentCulture);
item.MajorGridlineThickness = 0;
pmFreq.Axes.Add(item);
if (call.FftData != null)
{
freqSeries.Items.AddRange(call.FftData.Select((f, i) =>
{
ColumnItem columnItem = new ColumnItem(f, i);
columnItem.Color = i == call.MaxFrequencyBin ? OxyColors.Red : OxyColors.Green;
return(columnItem);
}));
}
Frequency = pmFreq.AddStyles();
}
