public Envelope(SignalSamples original, SignalSamples extremas, bool upper)
{
AddParent(original);
AddParent(extremas);
_original = original;
_extremas = extremas;
_sign = upper ? 1 : -1;
}
private void InitSignals()
{
_signalMouse = new SignalSamples();
_signalMouseD = new Derivative(_signalMouse, scale: 0.1);
_signalMouseDD = new Derivative(_signalMouseD, scale: 0.1);
_signalMouseI = new Integrate(_signalMouse, scale: 1.0);
_signalMouseExtrem = new Extremas(_signalMouse);
_signalMouseEnvUpper = new Envelope(_signalMouse, _signalMouseExtrem, true);
_signalMouseEnvLower = new Envelope(_signalMouse, _signalMouseExtrem, false);
}
public void DrawSignal(Image image, double currentTime, double timeSpan, SignalSamples signal, Color color, double scaleY = 1.0)
{
int segmentLimit = 200; //!!! configure
var poses = new List <Point>();
for (int i = 1; i <= segmentLimit; ++i)
{
var s = signal.GetSample(-i);
if (!s.IsValid())
{
break; // no more samples
}
double t = s.time - currentTime;
Point pos = new Point((float)t, (float)(s.value * scaleY));
poses.Insert(0, pos);
if (t < -timeSpan)
{
break; // gone out of view
}
}
DrawSignal(image, poses.ToArray(), color);
}
public Integrate(SignalSamples original, double scale = 1.0)
{
AddParent(original);
_original = original;
_scale = scale;
}
public Extremas(SignalSamples original)
{
AddParent(original);
_original = original;
}
public Derivative(SignalSamples original, double scale = 1.0)
{
AddParent(original);
_original = original;
_scale = scale;
}