public static double[] FitLorenzianToData(double[] voltages, double[] signal)
{
double high = getMax(voltages).value;
double low = getMin(voltages).value;
System.Diagnostics.Debug.WriteLine(" " + low.ToString() + " " + high.ToString());
LorentzianFitter lorentzianFitter = new LorentzianFitter();
// takes the parameters (in this order, in the double[])
// N: background
// Q: signal
// c: centre
// w: width
dataPoint max = getMax(signal);
dataPoint min = getMin(signal);
lorentzianFitter.Fit(voltages, signal,
new double[] {min.value, max.value - min.value,
voltages[max.index], (high - low)/10,
});
double[] coefficients = lorentzianFitter.Parameters;
fitFailSafe(coefficients, low, high);
return new double[] { coefficients[3], coefficients[2], coefficients[1], coefficients[0] }; //to be consistent with old convention.
}
public static double[] FitLorenzianToSlaveData(CavityScanData data, double limitLow, double limitHigh)
{
double[] voltages = data.parameters.CalculateRampVoltages();
LorentzianFitter lorentzianFitter = new LorentzianFitter();
// takes the parameters (in this order, in the double[])
// N: background
// Q: signal
// c: centre
// w: width
dataPoint max = getMax(data.SlavePhotodiodeData);
dataPoint min = getMin(data.SlavePhotodiodeData);
lorentzianFitter.Fit(voltages, data.SlavePhotodiodeData,
new double[] {min.value, max.value - min.value,
voltages[max.index], (data.parameters.High - data.parameters.Low)/10,
});
double[] coefficients = lorentzianFitter.Parameters;
fitFailSafe(coefficients, limitLow, limitHigh);
return new double[] { coefficients[3], coefficients[2], coefficients[1], coefficients[0] }; //to be consistent with old convention.
}
