/// <summary>
/// Draws the DFT button click.
/// </summary>
/// <param name="sender">The sender.</param>
/// <param name="e">The <see cref="System.EventArgs"/> instance containing the event data.</param>
private void DrawDftButtonClick(object sender, System.EventArgs e)
{
var originalValuesVector = FourierTransformUtils.GetFunctionVector(ChooseFunction.OriginalFunction);
this.DrawOriginal(originalValuesVector, zedGraphControl1);
DrawDFT(originalValuesVector, zedGraphControl2, zedGraphControl3, zedGraphControl4);
label4.Text = FourierTransformUtils.Complexibility.ToString();
}
private void button2_Click(object sender, System.EventArgs e)
{
var originalValuesVector = FourierTransformUtils.GetFunctionVector(ChooseFunction.OriginalFunction);
this.DrawOriginal(originalValuesVector, zedGraphControl8);
DrawFFT(originalValuesVector, zedGraphControl7, zedGraphControl6, zedGraphControl5);
label5.Text = FourierTransformUtils.Complexibility.ToString();
}
/// <summary>
/// Draws the DFT.
/// </summary>
/// <param name="funcValues">The function values.</param>
/// <param name="zedGraphControl_abs">The zed graph control_abs.</param>
/// <param name="zedGraphControl_phase">The zed graph control_phase.</param>
/// <param name="zedGraphControl_revers">The zed graph control_revers.</param>
private void DrawDFT(Complex[] funcValues, ZedGraphControl zedGraphControl_abs, ZedGraphControl zedGraphControl_phase,
ZedGraphControl zedGraphControl_revers)
{
GraphPane pane_abs = zedGraphControl_abs.GraphPane;
GraphPane pane_phase = zedGraphControl_phase.GraphPane;
GraphPane pane_revers = zedGraphControl_revers.GraphPane;
pane_abs.Title.Text = "Амплитудный спектр";
pane_phase.Title.Text = "Фазовый спектр";
pane_revers.Title.Text = "Обратное преобразование";
pane_abs.CurveList.Clear();
pane_phase.CurveList.Clear();
pane_revers.CurveList.Clear();
PointPairList list_abs = new PointPairList();
PointPairList list_phase = new PointPairList();
PointPairList list_revers = new PointPairList();
Complex[] values = FourierTransformUtils.MakeDFT(funcValues, TransformDirection.Direct);
Complex[] reverseValues = FourierTransformUtils.MakeDFT(values, TransformDirection.Reverse);
for (int i = 0; i < values.Length; i++)
{
list_abs.Add(i, values[i].Magnitude);
list_phase.Add(i, values[i].Phase);
list_revers.Add(i, reverseValues[i].Real);
}
LineItem curve_abs = pane_abs.AddCurve("", list_abs, Color.Blue, SymbolType.None);
LineItem curve_phase = pane_phase.AddCurve("", list_phase, Color.Blue, SymbolType.None);
LineItem curve_revers = pane_revers.AddCurve("", list_revers, Color.Blue, SymbolType.None);
zedGraphControl_abs.AxisChange();
zedGraphControl_phase.AxisChange();
zedGraphControl_revers.AxisChange();
zedGraphControl_abs.Invalidate();
zedGraphControl_phase.Invalidate();
zedGraphControl_revers.Invalidate();
}
