private void DrawCharts()
{
double[] funcValues = GetFuncValues();
ClearChartFunction();
DrawInitialFunction(funcValues);
Harmonic[] harmonics = dft.GetFrequencyResponse(funcValues, countOfHarmonics);
DrawSpectrums(harmonics);
Func <double, double> restoredFunction = RestoreFunction.FromHarmonics(harmonics);
Func <double, double> restoredWithoutPhaseFunction = RestoreFunction.FromHarmonicsWithoutPhase(harmonics);
DrawFunction(restoredFunction, chartFunctions.Series[RestoredFunctionSeries]);
DrawFunction(restoredWithoutPhaseFunction, chartFunctions.Series[RestoredWithoutPhaseFunctionSeries]);
DrawFilteredFunction(harmonics);
if (chkSmoothing.Checked)
{
double[] filterValues = DrawSmoothingFunction(funcValues);
Harmonic[] filterHarmonics = dft.GetFrequencyResponse(filterValues, countOfHarmonics);
DrawFilteredSpectrums(filterHarmonics);
}
}
private void DrawFilteredFunction(Harmonic[] harmonics)
{
int start = 0;
int end = 0;
bool noChecked = true;
if (chkLowPassFilter.Checked)
{
end = int.Parse(txtLowPassFilter.Text);
noChecked = false;
}
if (chkHighPassFilter.Checked)
{
start = int.Parse(txtHighPassFilter.Text);
noChecked = false;
}
if (noChecked)
{
if (chartFunctions.Series[FilteredFunction].Points.Count > 0)
{
chartFunctions.Series[FilteredFunction].Points.Clear();
}
return;
}
Func <double, double> filteredFunction = RestoreFunction.FromHarmonics(harmonics, start, end);
DrawFunction(filteredFunction, chartFunctions.Series[FilteredFunction]);
}