public void CurveFit(int length)
{
if (length < 2)
{
throw new Exception("Occured curvefit's data length low error in Calibrator.CurveFit");
}
double[] rawX = new double[length];
double[] rawY = new double[length];
for (int i = 0; i < length; i++)
{
rawX[i] = Points[i].PV;
rawY[i] = Points[i].SV;
}
DiffA = 0;
DiffB = 0;
DiffC = 0;
try
{
switch (length)
{
case 2:
RawA = rawY[0] - rawX[0];
RawB = (rawY[1] - rawY[0]) / (rawX[1] - rawX[0]);
RawC = 0;
break;
default:
if ((IsDoubleArrayAllZero(rawX) == false) &&
(IsDoubleArrayAllZero(rawY) == false))
{
double[] raw = Fitting.LsFit(rawX, rawY, 2);
RawA = raw[0];
RawB = raw[1];
RawC = raw[2];
}
else
{
RawA = 0;
RawB = 1;
RawC = 0;
}
break;
}
Active = true;
}
catch (Exception e)
{
Clear();
Resource.TLog.Log((int)ELogItem.Exception, e.ToString());
throw new Exception("Occured calculation error in Calibrator.CurveFit");
}
}
