private void Evaluate()
{
if (!btnEvaluate.Enabled)
{
return;
}
Hashtable parameters = new Hashtable();
foreach (Control ctrl in pnlVariables.Controls)
{
if (ctrl.Visible)
{
Panel pnl = ctrl as Panel;
if (pnl != null)
{
parameters.Add(pnl.Tag, pnl.Controls[1].Text);
}
}
}
string message;
double[] data = SyntheticGenerator.GenerateData(tbNoOfSamples.Value, tbSamplesPerSecond.Value, tctFormula.Text, parameters, out message);
if (message != null)
{
lblMessage.Text = message;
spectrum.Series[0].Points.Clear();
}
else
{
lblMessage.Text = "";
FftAnalyzer.Windowing(tbNoOfSamples.Value, data, WindowType, 1, data, false);
RenderScopeData(data);
_fftAnalyzer.ExecuteFftAsync(data, SamplesPerSecond, 1, WindowingTypes.Square); // already windowed.
}
}
private void GetVariables()
{
foreach (Control ctrl in pnlVariables.Controls)
{
ctrl.Visible = false;
}
string message;
var extractedParameters = SyntheticGenerator.ExtractVariables(tctFormula.Text, out message);
if (message != null)
{
lblMessage.Text = message;
}
else
{
lblMessage.Text = "";
foreach (
var param in
extractedParameters.Where(p => p.ToLowerInvariant() != "pi" && p.ToLowerInvariant() != "t"))
{
string key = $"var_{param}";
if (!pnlVariables.Controls.ContainsKey(key))
{
// Add new
Panel pnl = new Panel
{
BorderStyle = BorderStyle.FixedSingle,
Name = key,
Tag = param,
Size = new Size(143, 29)
};
pnlVariables.Controls.Add(pnl);
Label lbl = new Label
{
Text = param,
AutoSize = true,
Location = new Point(8, 8),
Name = $"varl_{param}"
};
pnl.Controls.Add(lbl);
TextBox txt = new TextBox
{
Text = "",
Location = new Point(66, 3),
Size = new Size(67, 20),
Name = $"vart_{param}"
};
txt.TextChanged += Txt_TextChanged;
txt.KeyDown += Txt_KeyDown;
txt.KeyPress += Txt_KeyPress;
pnl.Controls.Add(txt);
}
else
{
pnlVariables.Controls[key].Visible = true;
}
}
CheckEnableRun();
}
}