private void PlotAxis()
{
plotModel.Axes.Clear();
AxisLimit Limits = AxisLimits[selectedAxisLimits];
if (selectedAxisLimits == "rbtnXRangeChirp")
{
if (chbxLogarithmicAxis != null)
{
if (chbxLogarithmicAxis.IsChecked == true)
{
plotModel.Axes.Add(new LogarithmicAxis {
Position = AxisPosition.Bottom, Title = "ms", Minimum = Limits.XMin, Maximum = Limits.XMax, MajorGridlineStyle = LineStyle.Dot
});
}
else
{
plotModel.Axes.Add(new LinearAxis {
Position = AxisPosition.Bottom, Title = "ms", Minimum = Limits.XMin, Maximum = Limits.XMax, MajorGridlineStyle = LineStyle.Dot
});
}
}
plotModel.Axes.Add(new LinearAxis {
Position = AxisPosition.Left, Title = "", Minimum = Limits.YMin, Maximum = Limits.YMax, MajorStep = Limits.MajorStep, MinorStep = Limits.MinorStep, MajorGridlineStyle = LineStyle.Solid
});
}
else
{
if (chbxLogarithmicAxis != null)
{
if (chbxLogarithmicAxis.IsChecked == true)
{
plotModel.Axes.Add(new LogarithmicAxis {
Position = AxisPosition.Bottom, Title = "Hz", Minimum = Limits.XMin, Maximum = Limits.XMax, MajorGridlineStyle = LineStyle.Dot
});
}
else
{
plotModel.Axes.Add(new LinearAxis {
Position = AxisPosition.Bottom, Title = "Hz", Minimum = Limits.XMin, Maximum = Limits.XMax, MajorGridlineStyle = LineStyle.Dot
});
}
}
plotModel.Axes.Add(new LinearAxis {
Position = AxisPosition.Left, Title = "dB", Minimum = Limits.YMin + Limits.YShift, Maximum = Limits.YMax + Limits.YShift, MajorStep = Limits.MajorStep, MinorStep = Limits.MinorStep, MajorGridlineStyle = LineStyle.Solid
});
}
}
private void PlotLine(DetectedChannel selectedChannel, bool secondaryChannel = false)
{
if (selectedChannel == null)
{
Collection <DataPoint> points = null;
//time domain data
if (selectedAxisLimits == "rbtnXRangeChirp")
{
}
//frequency domain data
else
{
if (secondaryChannel)
{
points = audysseyMultEQReferenceCurveFilter.High_Frequency_Roll_Off_2();
}
else
{
points = audysseyMultEQReferenceCurveFilter.High_Frequency_Roll_Off_1();
}
if (points != null)
{
OxyColor color = OxyColor.FromRgb(255, 0, 0);
LineSeries lineserie = new LineSeries
{
ItemsSource = points,
DataFieldX = "X",
DataFieldY = "Y",
StrokeThickness = 2,
MarkerSize = 0,
LineStyle = LineStyle.Solid,
Color = color,
MarkerType = MarkerType.None,
};
plotModel.Series.Add(lineserie);
}
}
}
else
{
for (int i = 0; i < keys.Count; i++)
{
Collection <DataPoint> points = new Collection <DataPoint>();
string s = keys[i].ToString();
if (!selectedChannel.ResponseData.ContainsKey(s))
{
continue;
}
string[] values = selectedChannel.ResponseData[s];
int count = values.Length;
Complex[] cValues = new Complex[count];
double[] Xs = new double[count];
float sample_rate = 48000;
float total_time = count / sample_rate;
AxisLimit Limits = AxisLimits[selectedAxisLimits];
if (selectedAxisLimits == "rbtnXRangeChirp")
{
Limits.XMax = 1000 * total_time; // horizotal scale: s to ms
for (int j = 0; j < count; j++)
{
double d = Double.Parse(values[j], NumberStyles.AllowExponent | NumberStyles.Float, CultureInfo.InvariantCulture);
points.Add(new DataPoint(1000 * j * total_time / count, d));
}
}
else
{
for (int j = 0; j < count; j++)
{
decimal d = Decimal.Parse(values[j], NumberStyles.AllowExponent | NumberStyles.Float, CultureInfo.InvariantCulture);
Complex cValue = (Complex)d;
cValues[j] = 100 * cValue;
Xs[j] = (double)j / count * sample_rate;
}
MathNet.Numerics.IntegralTransforms.Fourier.Forward(cValues);
int x = 0;
if (radioButtonSmoothingFactorNone.IsChecked.Value)
{
foreach (Complex cValue in cValues)
{
points.Add(new DataPoint(Xs[x++], Limits.YShift + 20 * Math.Log10(cValue.Magnitude)));
if (x == count / 2)
{
break;
}
}
}
else
{
double[] smoothed = new double[count];
for (int j = 0; j < count; j++)
{
smoothed[j] = cValues[j].Magnitude;
}
LinSpacedFracOctaveSmooth(smoothingFactor, ref smoothed, 1, 1d / 48);
foreach (double smoothetResult in smoothed)
{
points.Add(new DataPoint(Xs[x++], Limits.YShift + 20 * Math.Log10(smoothetResult)));
if (x == count / 2)
{
break;
}
}
}
}
OxyColor color = OxyColor.Parse(colors[keys[i]].ToString());
LineSeries lineserie = new LineSeries
{
ItemsSource = points,
DataFieldX = "X",
DataFieldY = "Y",
StrokeThickness = 1,
MarkerSize = 0,
LineStyle = secondaryChannel ? LineStyle.Dot : LineStyle.Solid,
Color = color,
MarkerType = MarkerType.None,
};
plotModel.Series.Add(lineserie);
}
}
}
