public override void Execute(EventDescription token)
{
if (this.LastEvent != token)
{
OutputNodes[0].Object = AppGlobals.PyExecuteExpr(Code);
}
}
public static object Parse(string expr, string hint)
{
try
{
object result = AppGlobals.PyExecuteExpr(expr);
return(result);
} catch (Exception ex)
{
string msg = "Error while evaluating `" + hint + "` (" + ex.Message + ")";
Exception tmp = (Exception)Activator.CreateInstance(ex.GetType(), msg);
throw tmp;
}
}
public override void Execute(Blocks.EventDescription e)
{
if (InputNodes[0].ConnectingNode != null)
{
var obj = InputNodes[0].Object;
if (Utils.IsArrayOf <OpenSignalLib.ComplexTypes.Complex>(obj))
{
OpenSignalLib.ComplexTypes.Complex[] fft = (OpenSignalLib.ComplexTypes.Complex[])obj;
var vals = OpenSignalLib.Transforms.Fourier.iFFT(fft,
int.Parse(AppGlobals.PyExecuteExpr(N).ToString()));
OutputNodes[0].Object = Utils.GetAbsolute(vals);
}
}
}
public override void Execute(Blocks.EventDescription e)
{
if (InputNodes[0].ConnectingNode != null)
{
double[] x, y;
var obj = InputNodes[0].Object;
if (Utils.IsSignal(obj))
{
OpenSignalLib.Sources.Signal s = Utils.AsSignal(obj);
Logger.D(s.SamplingRate.ToString());
int n = int.Parse(AppGlobals.PyExecuteExpr(N).ToString());
var spectrum = OpenSignalLib.Transforms.Fourier.fspectrum(s, n);
x = spectrum.Keys.ToArray();
y = spectrum.Values.ToArray();
}
else
{
throw new Exception("invalid input type : " + obj.GetType().Name);
}
if (!Hold || (plotControl.Window == null || plotControl.Window.IsDisposed))
{
_createPlot(x, y);
}
if (Hold)
{
plotControl.Curve.Clear();
for (int i = 0; i < x.Length; i++)
{
if (Scale == Scales.dB_Scale)
{
plotControl.Curve.AddPoint(x[i], 10 * Math.Log10(y[i]));
}
else
{
plotControl.Curve.AddPoint(x[i], y[i]);
}
}
plotControl.Control.AxisChange();
plotControl.Control.Invalidate();
}
}
}
public override void Execute(Blocks.EventDescription e)
{
if (InputNodes[0].ConnectingNode != null)
{
double[] values = new double[0];
if (Utils.IsSignal(InputNodes[0].Object))
{
values = Utils.AsSignal(InputNodes[0].Object).Samples;
}
var vals = OpenSignalLib.Transforms.Fourier.FFT(values,
int.Parse(AppGlobals.PyExecuteExpr(N).ToString()));
if (OutputAbsoluteValues)
{
double[] vec = Utils.GetAbsolute(vals);
OutputNodes[0].Object = vec;
}
else
{
OutputNodes[0].Object = vals;
}
}
}
public override void Execute(Blocks.EventDescription e)
{
OutputNodes[0].Object = AppGlobals.PyExecuteExpr(Value);
}
