QwtPlot(parent)

{

setMinimumHeight(10);

setMinimumWidth(10);

QwtPlotGrid *grid = new QwtPlotGrid;

grid->enableXMin(true);

grid->setMajPen(QPen(Qt::white, 0, Qt::DotLine));

grid->setMinPen(QPen(Qt::gray, 0 , Qt::DotLine));

grid->attach(this);

setAxisTitle(QwtPlot::xBottom, "Czas [s]");

setAxisTitle(QwtPlot::yLeft, "Amplituda [mv]");

// picker = new QwtPlotPicker(QwtPlot::xBottom, QwtPlot::yLeft, QwtPlotPicker::CrossRubberBand, QwtPicker::AlwaysOn, canvas());

// picker->setStateMachine(new QwtPickerDragPointMachine());

// picker->setRubberBandPen(QColor(Qt::green));

// picker->setRubberBand(QwtPicker::CrossRubberBand);

// picker->setTrackerPen(QColor(Qt::white));

curve = new QwtPlotCurve("signal");

curve->setYAxis(QwtPlot::yLeft);

curve->attach(this);

peaksCurve = new QwtPlotCurve("signal");

peaksCurve->setYAxis(QwtPlot::yLeft);

peaksCurve->setStyle(QwtPlotCurve::CurveStyle::Dots);

peaksCurve->setPen(QPen(Qt::red, 5));

peaksCurve->attach(this);

samples = new QVector<QPointF>;

data = new QwtPointSeriesData;

peaksSamples = new QVector<QPointF>;

peaksData = new QwtPointSeriesData;

replot();

{

gsl_vector *v = signal->signal;

float invgain = 1.0 / float(info.gain);

float dt = 1.0 / float(info.frequecy);

int size = int(v->size);

samples->clear();

for (int i = 0; i < size; i++)

samples->push_back(QPointF(float(i)*dt, float(v->data[i*v->stride])*invgain));

data->setSamples(*samples);

curve->setData(data);

replot();

{

this->setSignal(signal, info);

// gsl_vector_int *v = peaks->signal;

// int size = int(v->size);

// peaksSamples->clear();

// for (int i = 0; i < size; i++)

// peaksSamples->push_back(data->sample(i));

// peaksData->setSamples(*peaksSamples);

// peaksCurve->setData(data);

// replot();