Example #1
0
void Plot::open(QString filename)
{

    this->detachItems();

    // Insert new curves
    curve = new QwtPlotCurve( "y = sin(x)" );
    curve->setRenderHint( QwtPlotItem::RenderAntialiased );
    curve->setLegendAttribute( QwtPlotCurve::LegendShowLine, true );
    curve->setPen( Qt::red );
    curve->attach( this );

    Data* data = new Data(filename);

    curve->setData(data);

    setAxisScale( yLeft, data->yMin, data->yMax);
    setAxisScale( xBottom, data->xMin, data->xMax);


    QwtPlotGrid* grid = new QwtPlotGrid();
    grid->setPen(Qt::black, 0.1, Qt::DashLine);
    grid->attach(this);

}
Example #2
0
void Plot::paste()
{
    QLocale l;
    QClipboard *clipboard = QApplication::clipboard();
    QString text = clipboard->text();

    if(!text.isEmpty()) {
        QList<QString> items = text.split('\n');
        QList<float> values;
        for(int i = 0; i < items.count(); i++) {
            values.append(l.toFloat(items[i]));
        }


        this->detachItems();

        // Insert new curves
        curve = new QwtPlotCurve( "y = sin(x)" );
        curve->setRenderHint( QwtPlotItem::RenderAntialiased );
        curve->setLegendAttribute( QwtPlotCurve::LegendShowLine, true );
        curve->setPen( Qt::red );
        curve->attach( this );

        Data* data = new Data(&values);
        curve->setData(data);

        setAxisScale( yLeft, data->yMin, data->yMax);
        setAxisScale( xBottom, data->xMin, data->xMax);


        QwtPlotGrid* grid = new QwtPlotGrid();
        grid->setPen(Qt::black, 0.1, Qt::DashLine);
        grid->attach(this);
    }
}
EcgCh::EcgCh(QWidget *parent) :
    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();
}
Example #4
0
RandomPlot::RandomPlot(QWidget *parent):
    IncrementalPlot(parent),
    d_timer(0),
    d_timerCount(0)
{
    setFrameStyle(QFrame::NoFrame);
    setLineWidth(0);
    setCanvasLineWidth(2);

    plotLayout()->setAlignCanvasToScales(true);

    QwtPlotGrid *grid = new QwtPlotGrid;
    grid->setMajPen(QPen(Qt::gray, 0, Qt::DotLine));
    grid->attach(this);

    setCanvasBackground(QColor(29, 100, 141)); // nice blue

    setAxisScale(xBottom, 0, c_rangeMax);
    setAxisScale(yLeft, 0, c_rangeMax);
    
    replot();

    // enable zooming

    (void) new Zoomer(canvas());
}
void MainWindow::setupPlot()
{
    plotTimer.setInterval(1000/settingsDialog->rate);
    connect(&plotTimer, SIGNAL(timeout()), this, SLOT(plotUpdate()));
    plotTimer.start();

    if (!ui->plot->legend()) {
        QwtLegend* legend = new QwtLegend;
        legend->setItemMode(QwtLegend::CheckableItem);
        ui->plot->insertLegend(legend, QwtPlot::RightLegend);
    }

    ui->plot->setAxisTitle(QwtPlot::xBottom, "seconds");
    ui->plot->setCanvasBackground(Qt::white);

    QColor gridColor;
    gridColor.setNamedColor("grey");
    QPen gridPen(gridColor);
    gridPen.setStyle(Qt::DotLine);
    QwtPlotGrid* grid = new QwtPlotGrid;
    grid->setMajPen(gridPen);
    grid->attach(ui->plot);

    connect(ui->plot, SIGNAL(legendChecked(QwtPlotItem*,bool)), this, SLOT(showCurve(QwtPlotItem*,bool)));
}
Example #6
0
Plot::Plot(QWidget *parent):
    QwtPlot(parent),
    d_mapItem(NULL),
    d_mapRect(0.0, 0.0, 100.0, 100.0) // something
{
#if 1
    /*
       d_mapRect is only a reference for zooming, but
       the ranges are nothing useful for the user. So we
       hide the axes.
     */
    plotLayout()->setCanvasMargin(0);
    for ( int axis = 0; axis < QwtPlot::axisCnt; axis++ )
        enableAxis(axis, false);
#else
    QwtPlotGrid *grid = new QwtPlotGrid();
    grid->attach(this);
#endif

    /*
      Navigation:

      Left Mouse Button: Panning
      Mouse Wheel:       Zooming In/Out
      Right Mouse Button: Reset to initial
    */

    (void)new QwtPlotPanner(canvas());
    (void)new QwtPlotMagnifier(canvas());

    canvas()->setFocusPolicy(Qt::WheelFocus);
    rescale();
}
Example #7
0
void MainWindow::addPlotGrid()//сетка с делениями
{
    // #include <qwt_plot_grid.h>
    QwtPlotGrid *grid = new QwtPlotGrid();
    grid->setMajorPen(QPen( Qt::gray, 1 )); // цвет линий и толщина
    grid->attach( ui->Qwt_Widget );
}
Example #8
0
void Plot::populate()
{
    QwtPlotGrid *grid = new QwtPlotGrid();
    grid->setMinorPen( Qt::black, 0, Qt::DashLine );
    grid->enableXMin( true );
    grid->attach( this );

    QwtPlotCurve *curve = new QwtPlotCurve();
    curve->setTitle("Some Points");
    curve->setPen( Qt::blue, 4 ),
          curve->setRenderHint( QwtPlotItem::RenderAntialiased, true );

    QwtSymbol *symbol = new QwtSymbol( QwtSymbol::Ellipse,
                                       QBrush( Qt::yellow ), QPen( Qt::red, 2 ), QSize( 8, 8 ) );
    curve->setSymbol( symbol );

    QPolygonF points;
    points << QPointF( 10.0, 4.4 )
           << QPointF( 100.0, 3.0 ) << QPointF( 200.0, 4.5 )
           << QPointF( 300.0, 6.8 ) << QPointF( 400.0, 7.9 )
           << QPointF( 500.0, 7.1 ) << QPointF( 600.0, 7.9 )
           << QPointF( 700.0, 7.1 ) << QPointF( 800.0, 5.4 )
           << QPointF( 900.0, 2.8 ) << QPointF( 1000.0, 3.6 );
    curve->setSamples( points );
    curve->attach( this );
}
Example #9
0
DataPlotFFT::DataPlotFFT(QWidget *parent):
    QwtPlot(parent),
    d_data(NULL),
    d_curve(NULL)
{
    setAutoReplot(false);

    setFrameStyle(QFrame::NoFrame);
    setLineWidth(0);
    setCanvasLineWidth(2);

    //plotLayout()->setAlignCanvasToScales(true);

    QwtPlotGrid *grid = new QwtPlotGrid;
    grid->setMajPen(QPen(Qt::gray, 0, Qt::DotLine));
    grid->attach(this);

    setCanvasBackground(Qt::white);
    //setCanvasBackground(QColor(29, 100, 141)); // nice blue

    //setAxisAutoScale(xBottom);
    //s/etAxisAutoScale(yLeft);

    setAxisScale(xBottom, 0.5, -0.5);
    setAxisScale(yLeft, -10.00, 10.00);
    setAxisAutoScale(yLeft);
    //setAxisAutoScale(xBottom);

    replot();
}
Example #10
0
void HistPlot::populate()
{
	setTitle("Watching TV during a weekend");
	setAxisTitle(QwtPlot::yLeft, "Number of People");
	setAxisTitle(QwtPlot::xBottom, "Number of Hours");

	QwtPlotGrid *grid = new QwtPlotGrid;
	grid->enableX(false);
	grid->enableY(true);
	grid->enableXMin(false);
	grid->enableYMin(false);
	grid->setMajPen(QPen(Qt::black, 0, Qt::SolidLine));
	grid->attach(this);

	const double juneValues[] = { 7, 19, 24, 32, 10, 5, 3 };
	const double novemberValues[] = { 4, 15, 22, 34, 13, 8, 4 };

	Histogram *histogramJune = new Histogram("Summer", Qt::red);
	histogramJune->setValues(
		sizeof(juneValues) / sizeof(double), juneValues);
	histogramJune->attach(this);

	Histogram *histogramNovember = new Histogram("Winter", Qt::blue);
	histogramNovember->setValues(
		sizeof(novemberValues) / sizeof(double), novemberValues);
	histogramNovember->attach(this);
}
Example #11
0
int main(int argc, char **argv)
{
    QApplication app(argc, argv);

    QwtPlot plot;
    plot.setCanvasBackground(QColor(Qt::white));
    plot.setTitle("Bar Chart");

	QwtPlotGrid *grid = new QwtPlotGrid;
	grid->enableX(false);
	grid->enableYMin(true);
	grid->setMajPen(QPen(Qt::black, 0, Qt::DotLine));
	grid->setMinPen(QPen(Qt::gray, 0 , Qt::DotLine));
	grid->attach(&plot);

	BarChartItem *item = new BarChartItem();
	item->attach(&plot);
	QList< QPair<int, QString> > barHeights;
	barHeights.append(QPair<int, QString>(10, ""));
	barHeights.append(QPair<int, QString>(100, ""));
	barHeights.append(QPair<int, QString>(20, ""));
	item->setData(barHeights);

	plot.enableAxis(QwtPlot::xBottom, false);

	plot.resize(600, 400);
	plot.show();

	return app.exec();
}
Example #12
0
// MyPlot2D::MyPlot2D(QWidget *parent, const char *name)
MyPlot2D::MyPlot2D( QWidget *parent ):
        QwtPlot(parent) {
    setAutoReplot( false );

    setTitle( "Comparison of WATER FIT against Measurements" );

    QwtPlotCanvas *canvas = new QwtPlotCanvas();
    canvas->setBorderRadius( 10 );

    setCanvas( canvas );
    setCanvasBackground( QColor( "LightGray" ) );

    // legend
    // QwtLegend *legend = new QwtLegend;
    // insertLegend( legend, QwtPlot::BottomLegend );

    // grid
    QwtPlotGrid *grid = new QwtPlotGrid;
    grid->enableXMin( true );
    grid->setMajorPen( Qt::white, 0, Qt::DotLine );
    grid->setMinorPen( Qt::gray, 0 , Qt::DotLine );
    grid->attach( this );

    // axes
    enableAxis( QwtPlot::yRight );
    setAxisTitle( QwtPlot::xBottom, "Distance from CAX (cm)" );
    setAxisTitle( QwtPlot::yLeft, "Relative Output Factor" );
    // setAxisTitle( QwtPlot::yRight, "Phase [deg]" );

    // setAxisMaxMajor( QwtPlot::xBottom, 6 );
    // setAxisMaxMinor( QwtPlot::xBottom, 9 );
    // setAxisScaleEngine( QwtPlot::xBottom, new QwtLogScaleEngine );

    setAutoReplot( true );
}
Example #13
0
void CentralWidget::initTmpPlotAndGL()
{
    QwtPlot *plot = new QwtPlot(this);
    plot->setTitle( "Plot Demo" );
    plot->setCanvasBackground( Qt::white );
    plot->setAxisScale( QwtPlot::yLeft, 0.0, 10.0 );

    QwtPlotGrid *grid = new QwtPlotGrid();
    grid->attach( plot );

    QwtPlotCurve *curve = new QwtPlotCurve();
    curve->setTitle( "Some Points" );
    curve->setPen( Qt::blue, 4 ),
    curve->setRenderHint( QwtPlotItem::RenderAntialiased, true );

    QPolygonF points;
    points << QPointF( 0.0, 4.4 ) << QPointF( 1.0, 3.0 )
        << QPointF( 2.0, 4.5 ) << QPointF( 3.0, 6.8 )
        << QPointF( 4.0, 7.9 ) << QPointF( 5.0, 7.1 );
    curve->setSamples( points );
    curve->attach( plot );
    this->addTab(plot, tr("Tmp Plot"));

    MyGLWidget *widget = new MyGLWidget(this);
    this->addTab(widget, tr("Tmp OpenGL"));
}
Example #14
0
//--------------------------------------------------------------------------------------------------
/// 
//--------------------------------------------------------------------------------------------------
void RiuPvtPlotWidget::setPlotDefaults(QwtPlot* plot)
{
    // Plot background and frame look
    QPalette newPalette(plot->palette());
    newPalette.setColor(QPalette::Background, Qt::white);
    plot->setPalette(newPalette);

    plot->setAutoFillBackground(true);
    plot->setCanvasBackground(Qt::white);

    QFrame* canvasFrame = dynamic_cast<QFrame*>(plot->canvas());
    if (canvasFrame)
    {
        canvasFrame->setFrameShape(QFrame::NoFrame);
    }

    // Grid
    {
        QwtPlotGrid* grid = new QwtPlotGrid;
        grid->attach(plot);
        QPen gridPen(Qt::SolidLine);
        gridPen.setColor(Qt::lightGray);
        grid->setPen(gridPen);
    }

    // Axis number font
    {
        QFont axisFont = plot->axisFont(QwtPlot::xBottom);
        axisFont.setPointSize(8);
        plot->setAxisFont(QwtPlot::xBottom, axisFont);
        plot->setAxisFont(QwtPlot::yLeft, axisFont);
    }

    // Axis title font
    {
        QwtText axisTitle = plot->axisTitle(QwtPlot::xBottom);
        QFont axisTitleFont = axisTitle.font();
        axisTitleFont.setPointSize(8);
        axisTitleFont.setBold(false);
        axisTitle.setFont(axisTitleFont);
        axisTitle.setRenderFlags(Qt::AlignRight);
        plot->setAxisTitle(QwtPlot::xBottom, axisTitle);
        plot->setAxisTitle(QwtPlot::yLeft, axisTitle);
    }

    // Title font
    {
        QwtText plotTitle = plot->title();
        QFont titleFont = plotTitle.font();
        titleFont.setPointSize(12);
        plotTitle.setFont(titleFont);
        plot->setTitle(plotTitle);
    }


    plot->setAxisMaxMinor(QwtPlot::xBottom, 2);
    plot->setAxisMaxMinor(QwtPlot::yLeft, 3);

    plot->plotLayout()->setAlignCanvasToScales(true);
}
Example #15
0
Plot::Plot( QWidget *parent ):
    QwtPlot( parent )
{
    setAutoFillBackground( true );
    setPalette( Qt::darkGray );
    setCanvasBackground( Qt::white );

    plotLayout()->setAlignCanvasToScales( true );

    initAxis( QwtAxis::yLeft, "Local Time", Qt::LocalTime );
    initAxis( QwtAxis::yRight, 
        "Coordinated Universal Time ( UTC )", Qt::UTC );

    QwtPlotPanner *panner = new QwtPlotPanner( canvas() );
    QwtPlotMagnifier *magnifier = new QwtPlotMagnifier( canvas() );

    for ( int axis = 0; axis < QwtAxis::PosCount; axis++ )
    {
        const bool on = QwtAxis::isYAxis( axis );

        setAxisVisible( axis, on );
        panner->setAxisEnabled( axis, on );
        magnifier->setAxisEnabled( axis, on );
    }

    QwtPlotGrid *grid = new QwtPlotGrid();
    grid->setMajorPen( Qt::black, 0, Qt::SolidLine );
    grid->setMinorPen( Qt::gray, 0 , Qt::SolidLine );
    grid->enableX( false );
    grid->enableXMin( false );
    grid->enableY( true );
    grid->enableYMin( true );

    grid->attach( this );
}
Example #16
0
Plot::Plot( QWidget *parent ):
    QwtPlot( parent ),
    d_curve( NULL )
{
    /*canvas()->setStyleSheet(
        "border: 2px solid Black;"
        "border-radius: 15px;"
        "background-color: qlineargradient( x1: 0, y1: 0, x2: 0, y2: 1,"
            "stop: 0 LemonChiffon, stop: 1 PaleGoldenrod );"
    );*/
    //QwtPlotCanvas *newcanvas=new QwtPlotCanvas();
    //newcanvas->setPalette(Qt::white);
    //newcanvas->setBorderRadius(10);
    //setCanvas( newcanvas );
    //plotLayout()->setAlignCanvasToScales( true );
    setAxisTitle( QwtPlot::yLeft, "ylabel" );
    setAxisTitle( QwtPlot::xBottom, "xlabel" );
    //setAxisScale(QwtPlot::yLeft,0.0,25.0);
    //setAxisScale(QwtPlot::xBottom,0.0,25.0);
    //canvas()->resize(800, 600);
    //plotLayout(AlignScales);
    // attach curve
    d_curve = new QwtPlotCurve( "Scattered Points" );
    d_curve->setPen( QColor( "Black" ) );
//    d_curve->setCurveAttribute(fitten);
    // when using QwtPlotCurve::ImageBuffer simple dots can be
    // rendered in parallel on multicore systems.
    d_curve->setRenderThreadCount( 0 ); // 0: use QThread::idealThreadCount()

    //d_curve->setCurveAttribute(QwtPlotCurve::Fitted, true);

    d_curve->attach( this );

    QwtSymbol * symbol2 = new QwtSymbol( QwtSymbol::XCross, QBrush(Qt::white), QPen(Qt::red, 1), QSize(6,6));
    //QwtSymbol::Style  style = Cross;
    setSymbol( symbol2 );
    //setSymbol(NULL);

    // panning with the left mouse button
    (void )new QwtPlotPanner( canvas() );

    // zoom in/out with the wheel
    QwtPlotMagnifier *magnifier = new QwtPlotMagnifier( canvas() );
    magnifier->setMouseButton( Qt::NoButton );

    // distanve measurement with the right mouse button
    DistancePicker *picker = new DistancePicker( canvas() );
    picker->setMousePattern( QwtPlotPicker::MouseSelect1, Qt::RightButton );
    picker->setRubberBandPen( QPen( Qt::blue ) );

    QwtPlotGrid *grid = new QwtPlotGrid;
    grid->enableX( true );//设置网格线
    grid->enableY( true );
    grid->setMajorPen( Qt::black, 0, Qt::DotLine );
    grid->attach( this );

    //QSize sizeH = sizeHint();

}
Example #17
0
SimDialog::SimDialog( QWidget * parent, Qt::WFlags f) 
	: QDialog(parent, f)
{
  setupUi(this);

  // setup the plot ...
  m_plot->setTitle("Comparing Similarity Measures");
  m_plot->insertLegend(new QwtLegend(), QwtPlot::BottomLegend);

  // set up the axes ...
  m_plot->setAxisTitle(QwtPlot::xBottom, "Variations");
  m_plot->setAxisScale(QwtPlot::xBottom, -10, 10);

  m_plot->setAxisTitle(QwtPlot::yLeft, "Similarity");
  m_plot->setAxisScale(QwtPlot::yLeft, -1.5, 1.5);

  // enable grid ...
  QwtPlotGrid *grid = new QwtPlotGrid;
  grid->enableXMin(true);
  grid->enableYMin(true);
  grid->setMajPen(QPen(Qt::black, 0, Qt::DotLine));
  grid->setMinPen(QPen(Qt::gray, 0 , Qt::DotLine));
  grid->attach(m_plot);

  //  Insert zero line at y = 0
  QwtPlotMarker *mY = new QwtPlotMarker();
  mY->setLabelAlignment(Qt::AlignRight|Qt::AlignTop);
  mY->setLineStyle(QwtPlotMarker::HLine);
  mY->setYValue(0.0);
  mY->attach(m_plot);

  //  Insert zero line at x = 0
  QwtPlotMarker *mX = new QwtPlotMarker();
  mX->setLabelAlignment(Qt::AlignRight|Qt::AlignTop);
  mX->setLineStyle(QwtPlotMarker::VLine);
  mX->setXValue(0.0);
  mX->attach(m_plot);

  // Insert new curves
  cReg = new QwtPlotCurve("Regular Similarity Measure");
  cReg->attach(m_plot);

  cOct = new QwtPlotCurve("Octree based Similarity Measure");
  cOct->attach(m_plot);

  // Set curve styles
  cReg->setPen(QPen(Qt::red, 2));
  cOct->setPen(QPen(Qt::blue, 2));

  // Populate the volume combos ...
  MainWindow* _win  = (MainWindow *)this->parent();
  viewer3d *  _view = (viewer3d *) _win->getViewer();
  QList<Volume*> _vols = _view->getVolumes();

  // append Volume names to combo boxes ...
  // Need to modify Volume class so that it stored patient name ...
  // More importantly modify PatientBrowser so that the data can be directly
  // loaded.
}
Example #18
0
StPlot::StPlot(QWidget* parent): 
  QwtPlot(parent),
  viewFactor(-1.0)
{
  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]");
  
  curve = new QwtPlotCurve("Filtered signal");
  curve->setYAxis(QwtPlot::yLeft);
  curve->attach(this);

  ISOPoints = new QwtPlotCurve("ISO");
  ISOPoints->setStyle(QwtPlotCurve::NoCurve);
  ISOPoints->setSymbol(new QwtSymbol(QwtSymbol::Ellipse,QColor(Qt::green), QColor(Qt::green), QSize(5, 5)));
  ISOPoints->setYAxis(QwtPlot::yLeft);
  ISOPoints->attach(this);
  
  JPoints = new QwtPlotCurve("J");
  JPoints->setStyle(QwtPlotCurve::NoCurve);
  JPoints->setSymbol(new QwtSymbol(QwtSymbol::Ellipse,QColor(Qt::blue), QColor(Qt::blue), QSize(5, 5)));
  JPoints->setYAxis(QwtPlot::yLeft);
  JPoints->attach(this);
  
  STPoints = new QwtPlotCurve("ST");
  STPoints->setStyle(QwtPlotCurve::NoCurve);
  STPoints->setSymbol(new QwtSymbol(QwtSymbol::Ellipse,QColor(Qt::red), QColor(Qt::red), QSize(5, 5)));
  STPoints->setYAxis(QwtPlot::yLeft);
  STPoints->attach(this);

  RPoints = new QwtPlotCurve("R");
  RPoints->setStyle(QwtPlotCurve::NoCurve);
  RPoints->setSymbol(new QwtSymbol(QwtSymbol::Ellipse,QColor(Qt::yellow), QColor(Qt::yellow), QSize(5, 5)));
  RPoints->setYAxis(QwtPlot::yLeft);
  //RPoints->attach(this);

  legend = new QwtLegend();
  legend->setItemMode(QwtLegend::ReadOnlyItem);
  legend->setWhatsThis("Click on an item to show/hide the plot");
  this->insertLegend(legend, QwtPlot::RightLegend);
  
  samples = new QVector<QPointF>;
  data = new QwtPointSeriesData;
  replot();
  
  zoomer = new QwtPlotZoomer(QwtPlot::xBottom, QwtPlot::yLeft, canvas());
  zoomer->setMousePattern(QwtEventPattern::MouseSelect1, Qt::NoButton);
  zoomer->setMousePattern(QwtEventPattern::MouseSelect2, Qt::NoButton);
  zoomer->setMousePattern(QwtEventPattern::MouseSelect3, Qt::NoButton);
  zoomer->setMousePattern(QwtEventPattern::MouseSelect4, Qt::NoButton);
  zoomer->setMousePattern(QwtEventPattern::MouseSelect5, Qt::NoButton);
  zoomer->setMousePattern(QwtEventPattern::MouseSelect6, Qt::NoButton);
}
Example #19
0
int main(int argc, char *argv[])
{
	/*const int L = 10; 
	fftw_complex *in; 
	fftw_complex *out;
	gsl_sf_bessel_k0_scaled(0.684684);
	fftw_plan p;

	in = (fftw_complex*) fftw_malloc(sizeof(fftw_complex)*L);
	out = (fftw_complex*) fftw_malloc(sizeof(fftw_complex)*L);
	p = fftw_plan_dft_1d(L, in, out,FFTW_FORWARD,FFTW_MEASURE); 

	fftw_execute(p);
	fftw_destroy_plan(p);
	fftw_free(in);
	fftw_free(out);
	 
	QApplication a(argc, argv);
	Ekg w;
	w.show();
	qDebug() << "sdfsdfsd";
	std::cout << "ALKO PROJEKT CPP CHLOSTA!";			
	
	return a.exec();*/

	    QApplication a( argc, argv );
 
    QwtPlot plot;
    plot.setTitle( "Plot Demo" );
    plot.setCanvasBackground( Qt::white );
    plot.setAxisScale( QwtPlot::yLeft, 0.0, 10.0 );
    plot.insertLegend( new QwtLegend() );
 
    QwtPlotGrid *grid = new QwtPlotGrid();
    grid->attach( &plot );
 
    QwtPlotCurve *curve = new QwtPlotCurve();
    curve->setTitle( "Some Points" );
    curve->setPen( Qt::blue, 4 ),
    curve->setRenderHint( QwtPlotItem::RenderAntialiased, true );
 
    QwtSymbol *symbol = new QwtSymbol( QwtSymbol::Ellipse,
        QBrush( Qt::yellow ), QPen( Qt::red, 2 ), QSize( 8, 8 ) );
    curve->setSymbol( symbol );
 
    QPolygonF points;
    points << QPointF( 0.0, 4.4 ) << QPointF( 1.0, 3.0 )
        << QPointF( 2.0, 4.5 ) << QPointF( 3.0, 6.8 )
        << QPointF( 4.0, 7.9 ) << QPointF( 5.0, 7.1 );
    curve->setSamples( points );
 
    curve->attach( &plot );
  
    plot.resize( 600, 400 );
    plot.show(); 
  
    return a.exec();
}
// Init X axis.
void DataPlot::setGridPlot()
{
    QwtPlotGrid *grid = new QwtPlotGrid;
    grid->enableXMin(true);
    grid->enableYMin(true);
    grid->setMajPen(QPen(Qt::black, 0, Qt::DotLine));
    grid->setMinPen(QPen(Qt::gray, 0 , Qt::DotLine));
    grid->attach(this);
}
Example #21
0
//#include "freeems/fetable2ddata.h"
TableView2D::TableView2D(QWidget *parent)
{
	Q_UNUSED(parent)
	//m_isSignedData = isSigned;
	m_isFlashOnly = false;
	ui.setupUi(this);
	metaDataValid = false;
	tableData=0;
	//ui.tableWidget->setColumnCount(1);
	ui.tableWidget->setRowCount(2);
	ui.tableWidget->horizontalHeader()->hide();
	ui.tableWidget->verticalHeader()->hide();
	//ui.tableWidget->setColumnWidth(0,100);
	connect(ui.savePushButton,SIGNAL(clicked()),this,SLOT(saveClicked()));
	connect(ui.loadFlashPushButton,SIGNAL(clicked()),this,SLOT(loadFlashClicked()));
	connect(ui.loadRamPushButton,SIGNAL(clicked()),this,SLOT(loadRamClicked()));
	connect(ui.tableWidget,SIGNAL(cellChanged(int,int)),this,SLOT(tableCellChanged(int,int)));
	connect(ui.tableWidget,SIGNAL(currentCellChanged(int,int,int,int)),this,SLOT(tableCurrentCellChanged(int,int,int,int)));
	connect(ui.exportPushButton,SIGNAL(clicked()),this,SLOT(exportClicked()));
	connect(ui.importPushButton,SIGNAL(clicked()),this,SLOT(importClicked()));
	connect(ui.tableWidget,SIGNAL(hotKeyPressed(int,Qt::KeyboardModifiers)),this,SLOT(hotKeyPressed(int,Qt::KeyboardModifiers)));
	ui.tableWidget->addHotkey(Qt::Key_Plus,Qt::ShiftModifier);
	ui.tableWidget->addHotkey(Qt::Key_Minus,Qt::NoModifier);
	ui.tableWidget->addHotkey(Qt::Key_Underscore,Qt::ShiftModifier);
	ui.tableWidget->addHotkey(Qt::Key_Equal,Qt::NoModifier);
	ui.tableWidget->setItemDelegate(new TableWidgetDelegate());

	QPalette pal = ui.plot->palette();
	pal.setColor(QPalette::Background,QColor::fromRgb(0,0,0));
	ui.plot->setPalette(pal);
	curve = new QwtPlotCurve("Test");
	curve->attach(ui.plot);
	curve->setPen(QPen(QColor::fromRgb(255,0,0),3));
	QwtPlotGrid *grid = new QwtPlotGrid();
	grid->setPen(QPen(QColor::fromRgb(100,100,100)));
	grid->attach(ui.plot);


	//curve->setData()
	//QwtSeriesData<QwtIntervalSample> series;
	/*if (!isram)
	{
		//Is only flash
		ui.loadRamPushButton->setVisible(false);
	}
	else if (!isflash)
	{
		//Is only ram
		ui.loadFlashPushButton->setVisible(false);
		ui.savePushButton->setVisible(false);
	}
	else
	{
		//Is both ram and flash
	}*/
	connect(ui.tracingCheckBox,SIGNAL(stateChanged(int)),this,SLOT(tracingCheckBoxStateChanged(int)));
}
Example #22
0
MSPeaksWnd::MSPeaksWnd(QWidget *parent) : QWidget(parent)
{
    plots_.push_back( std::make_shared< adwplot::Dataplot >() );
    plots_.push_back( std::make_shared< adwplot::Dataplot >() );
    
    plotMarkers_.resize( plots_.size() );
    plotCurves_.resize( plots_.size() );

    static struct {
        const char * xBottom;
        const char * yLeft;
    } axis_titles [] = {
        { "&radic;<span style=\"text-decoration: overline\">&nbsp;<i>m/z</i></span>"
          , "time (&mu;s)"
        }
        , { "flight length (m)"
          , "time (&mu;s)"
        }
    };
    assert( sizeof( axis_titles ) / sizeof( axis_titles[0] ) == plots_.size() );

    QFont font;
	qtwrapper::font::setFont( font, qtwrapper::fontSizeSmall, qtwrapper::fontAxisLabel );
    font.setFamily( "Consolas" );
    font.setBold( false );
	font.setPointSize( 8 );

    int n = 0;
    for ( auto& plot: plots_ ) {

        plot->setMinimumHeight( 40 );
        plot->setMinimumWidth( 40 );
        plot->enableAxis( QwtPlot::yRight );

        plot->setAxisFont( QwtPlot::xBottom, font );
        plot->setAxisFont( QwtPlot::yLeft, font );
        plot->setAxisFont( QwtPlot::yRight, font );

        plot->setAxisTitle( QwtPlot::yLeft, QwtText( axis_titles[ n ].yLeft, QwtText::RichText ) );
        plot->setAxisTitle( QwtPlot::xBottom, QwtText( axis_titles[ n ].xBottom, QwtText::RichText ) );
        plot->setAxisTitle( QwtPlot::yRight, QwtText( "&delta;(ns)", QwtText::RichText ) );

        plot->axisAutoScale( QwtPlot::xBottom );
        plot->axisAutoScale( QwtPlot::yLeft );
        ++n;

        QwtPlotGrid * grid = new QwtPlotGrid;
        grid->setMajorPen( Qt::gray, 0, Qt::DotLine );
        grid->attach( plot.get() );

        QwtPlotLegendItem * legendItem = new QwtPlotLegendItem;
        legendItem->attach( plot.get() );
    };

    init();
}
Example #23
0
Plot::Plot(QWidget *parent):
    QwtPlot(parent),
    d_paintedPoints(0),
    d_interval(0.0, 10.0),
    d_timerId(-1)
{
    d_directPainter = new QwtPlotDirectPainter();

    setAutoReplot(false);

    // We don't need the cache here
    canvas()->setPaintAttribute(QwtPlotCanvas::PaintCached, false);
    //canvas()->setPaintAttribute(QwtPlotCanvas::PaintPacked, false);


#if defined(Q_WS_X11)
    // Even if not recommended by TrollTech, Qt::WA_PaintOutsidePaintEvent
    // works on X11. This has a nice effect on the performance.
    
    canvas()->setAttribute(Qt::WA_PaintOutsidePaintEvent, true);
    canvas()->setAttribute(Qt::WA_PaintOnScreen, true);
#endif

    plotLayout()->setAlignCanvasToScales(true);

    setAxisTitle(QwtPlot::xBottom, "Time [s]");
    setAxisScale(QwtPlot::xBottom, d_interval.minValue(), d_interval.maxValue()); 
    setAxisScale(QwtPlot::yLeft, -200.0, 200.0);

    QwtPlotGrid *grid = new QwtPlotGrid();
    grid->setPen(QPen(Qt::gray, 0.0, Qt::DotLine));
    grid->enableX(true);
    grid->enableXMin(true);
    grid->enableY(true);
    grid->enableYMin(false);
    grid->attach(this);

    d_origin = new QwtPlotMarker();
    d_origin->setLineStyle(QwtPlotMarker::Cross);
    d_origin->setValue(d_interval.minValue() + d_interval.width() / 2.0, 0.0);
    d_origin->setLinePen(QPen(Qt::gray, 0.0, Qt::DashLine));
    d_origin->attach(this);

    d_curve = new QwtPlotCurve();
    d_curve->setStyle(QwtPlotCurve::Lines);
    d_curve->setPen(QPen(Qt::green));
#if 1
    d_curve->setRenderHint(QwtPlotItem::RenderAntialiased, true);
#endif
#if 1
    d_curve->setPaintAttribute(QwtPlotCurve::ClipPolygons, false);
#endif
    d_curve->setData(new CurveData());
    d_curve->attach(this);
}
Example #24
0
QmitkHistogramWidget::QmitkHistogramWidget(QWidget * parent, bool showreport)
  : QDialog(parent)
{
  QBoxLayout *layout = new QVBoxLayout(this);

  //***histogram***

  QGroupBox *hgroupbox = new QGroupBox("", this);

  hgroupbox->setMinimumSize(900, 400);

  m_Plot = new QwtPlot(hgroupbox);
  m_Plot->setCanvasBackground(QColor(Qt::white));
  m_Plot->setTitle("Histogram");
  QwtText text = m_Plot->titleLabel()->text();
  text.setFont(QFont("Helvetica", 12, QFont::Normal));

  QwtPlotGrid *grid = new QwtPlotGrid;
  grid->enableXMin(true);
  grid->enableYMin(true);
  grid->setMajPen(QPen(Qt::black, 0, Qt::DotLine));
  grid->setMinPen(QPen(Qt::gray, 0 , Qt::DotLine));
  grid->attach(m_Plot);

  layout->addWidget(hgroupbox);

  layout->setSpacing(20);

  if (showreport == true)
  {
    //***report***
    QGroupBox *rgroupbox = new QGroupBox("", this);

    rgroupbox->setMinimumSize(900, 400);

    QLabel *label = new QLabel("Gray  Value  Analysis", rgroupbox);
    label->setAlignment(Qt::AlignHCenter);
    label->setFont(QFont("Helvetica", 14, QFont::Bold));

    m_Textedit = new QTextEdit(rgroupbox);
    m_Textedit->setFont(QFont("Helvetica", 12, QFont::Normal));
    m_Textedit->setReadOnly(true);

    layout->addWidget(rgroupbox);
  }

  m_Picker = new QwtPlotPicker(QwtPlot::xBottom, QwtPlot::yLeft,
    QwtPicker::PointSelection, 
    QwtPlotPicker::NoRubberBand, QwtPicker::AlwaysOn, 
    m_Plot->canvas());

  connect(m_Picker, SIGNAL(selected(const QwtDoublePoint &)),
    SLOT(OnSelect(const QwtDoublePoint &)));
}
void GenericHistogramView::populate()
{
  QwtPlotGrid* grid = new QwtPlotGrid();
  grid->enableX(false);
  grid->enableY(true);
  grid->enableXMin(false);
  grid->enableYMin(false);
  grid->setMajPen(QPen(Qt::black, 0, Qt::DotLine));
  grid->attach(_qwtPlot);

	for(unsigned int i = 0; i < _image->getNbChannels(); ++i)
	{
		imagein::Array<unsigned int>* histogram;
		if(_projection)
			histogram = new imagein::ProjectionHistogram(*_image, _value, _horizontal, *_rectangle, i);
		else
			histogram = new imagein::Histogram(*_image, i, *_rectangle);
		
		int values[histogram->getWidth()];

		for(unsigned int j = 0; j < histogram->getWidth(); ++j)
			values[j] = (*histogram)[j];
		
		GraphicalHistogram* graphicalHisto;
		switch(i)
		{
			case 0:
				if(_image->getNbChannels() == 1 || _image->getNbChannels() == 2)
					graphicalHisto = new GraphicalHistogram("Black", Qt::black);
				else
					graphicalHisto = new GraphicalHistogram("Red", Qt::red);
			break;
			case 1:
				if(_image->getNbChannels() == 1 || _image->getNbChannels() == 2)
					graphicalHisto = new GraphicalHistogram("Alpha", Qt::white);
				else
					graphicalHisto = new GraphicalHistogram("Green", Qt::green);
			break;
			case 2:
				graphicalHisto = new GraphicalHistogram("Blue", Qt::blue);
			break;
			case 3:
				graphicalHisto = new GraphicalHistogram("Alpha", Qt::black);
			break;
			default:
				graphicalHisto = new GraphicalHistogram("Default", Qt::black);
		}
		graphicalHisto->setValues(sizeof(values) / sizeof(int), values);
		if(_horizontal)
			graphicalHisto->setOrientation(Qt::Horizontal);
		graphicalHisto->attach(_qwtPlot);
    _graphicalHistos.push_back(graphicalHisto);
	}
}
Example #26
0
RTVTPlotWindow::RTVTPlotWindow(QWidget *parent) :
    QWidget(parent),
    ui(new Ui::RTVTPlotWindow)
{
    ui->setupUi(this);

    connect(ui->plotChannelListView, SIGNAL(clicked(QModelIndex)), this, SLOT(curveSelected(QModelIndex)));
    // Setup curves
    numberOfCurves = 10;
    startColorIndex = 0;
    channelListStringModel = new QStringListModel();
    channelListStringModel->setStringList(channelStringList);
    ui->plotChannelListView->setModel(channelListStringModel);

    // Setup the plot view
    ui->plotQwtView->setCanvasBackground(QColor(Qt::darkBlue));
    ui->plotQwtView->setTitle("Frequency Response of Amplifier");
    ui->plotQwtView->setTitle("Amplitude");
    ui->plotQwtView->setAxisTitle(QwtPlot::yLeft,"dBm");
    ui->plotQwtView->setAxisTitle(QwtPlot::xBottom,"Frequency (Hz)");

    // grid
    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(ui->plotQwtView);

    ui->plotQwtView->setAxisMaxMajor(QwtPlot::xBottom, 6);
    ui->plotQwtView->setAxisMaxMinor(QwtPlot::xBottom, 10);
    ui->plotQwtView->setAxisScaleEngine(QwtPlot::xBottom, new QwtLog10ScaleEngine);

    //QwtPlotGrid *gridy = new QwtPlotGrid();
    //gridy->attach(ui->plotQwtView);


    /*QwtLog10ScaleEngine * log10SE = new QwtLog10ScaleEngine();
    double x1=0.0, x2=4.3, stepSize=0.1;

    log10SE->autoScale(100, x1, x2, stepSize);

    QwtLinearScaleEngine * yAxisEngine = new  QwtLinearScaleEngine();
    double y1=-100.0, y2 = 10.0, yStep = 10.0;

    yAxisEngine->autoScale(10, y1, y2, yStep);*/

    //ui->plotQwtView->setAxisScaleEngine(QwtPlot::xBottom,log10SE);
    //ui->plotQwtView->setAxisScaleEngine(QwtPlot::yLeft,yAxisEngine);

    //ui->plotQwtView->setAxis

    ui->plotQwtView->replot();

}
Example #27
0
Plot::Plot( QWidget *parent ):
    QwtPlot( parent )
{
    setObjectName( "FriedbergPlot" );
    setTitle( "Temperature of Friedberg/Germany" );

    setAxisTitle( QwtPlot::xBottom, "2007" );
    setAxisScaleDiv( QwtPlot::xBottom, yearScaleDiv() );
    setAxisScaleDraw( QwtPlot::xBottom, new YearScaleDraw() );

    setAxisTitle( QwtPlot::yLeft,
        QString( "Temperature [%1C]" ).arg( QChar( 0x00B0 ) ) );

    // grid
    QwtPlotGrid *grid = new Grid;
    grid->attach( this );

    insertLegend( new QwtLegend(), QwtPlot::RightLegend );

    const int numDays = 365;
    QVector<QPointF> averageData( numDays );
    QVector<QwtIntervalSample> rangeData( numDays );

    for ( int i = 0; i < numDays; i++ )
    {
        const Temperature &t = friedberg2007[i];
        averageData[i] = QPointF( double( i ), t.averageValue );
        rangeData[i] = QwtIntervalSample( double( i ),
            QwtInterval( t.minValue, t.maxValue ) );
    }

    insertCurve( "Average", averageData, Qt::black );
    insertErrorBars( "Range", rangeData, Qt::blue );

    // LeftButton for the zooming
    // MidButton for the panning
    // RightButton: zoom out by 1
    // Ctrl+RighButton: zoom out to full size

    QwtPlotZoomer* zoomer = new QwtPlotZoomer( canvas() );
    zoomer->setRubberBandPen( QColor( Qt::black ) );
    zoomer->setTrackerPen( QColor( Qt::black ) );
    zoomer->setMousePattern( QwtEventPattern::MouseSelect2,
        Qt::RightButton, Qt::ControlModifier );
    zoomer->setMousePattern( QwtEventPattern::MouseSelect3,
        Qt::RightButton );

    QwtPlotPanner *panner = new QwtPlotPanner( canvas() );
    panner->setMouseButton( Qt::MidButton );

    canvas()->setPalette( Qt::darkGray );
    canvas()->setBorderRadius( 10 );
}
Example #28
0
MavPlot::MavPlot(QWidget *parent) : QwtPlot(parent), _havePrintColors(false) {
    setAutoReplot(false);
    setTitle("MAV System Data Plot");
    setCanvasBackground(QColor(Qt::darkGray));

    // legend
    QwtLegend *legend = new QwtLegend;
    insertLegend(legend, QwtPlot::BottomLegend);
    #if (QWT_VERSION < QWT_VERSION_CHECK(6,1,0))
        legend->setItemMode(QwtLegend::ClickableItem);
        connect(this, SIGNAL(legendClicked(QwtPlotItem*)), SLOT(legendClicked(QwtPlotItem*)));
    #else
        legend->setDefaultItemMode(QwtLegendData::Clickable);        
        connect(legend, SIGNAL(clicked(const QVariant&, int)), SLOT(legendClickedNew(const QVariant&, int)));
    #endif    

    // grid
    QwtPlotGrid *grid = new QwtPlotGrid;
    grid->enableXMin(true);
    #if (QWT_VERSION < QWT_VERSION_CHECK(6,1,0))
        grid->setMajPen(QPen(Qt::gray, 0, Qt::DotLine));
        grid->setMinPen(QPen(QColor(0x8, 0x8, 0x8), 0 , Qt::DotLine));
    #else
        grid->setMajorPen(QPen(Qt::gray, 0, Qt::DotLine));
        grid->setMinorPen(QPen(QColor(0x8, 0x8, 0x8), 0 , Qt::DotLine));
    #endif
    grid->attach(this);

    // axes
    //enableAxis(QwtPlot::yRight);
    setAxisTitle(QwtPlot::xBottom, "time");
    setAxisScaleDraw(QwtPlot::xBottom, new HumanReadableTime()); // no need to de-alloc or store, plot does it

    // A-B markers
    for (int i=0; i<2; i++) {
        _user_markers[i].setLineStyle(QwtPlotMarker::VLine);
        _user_markers[i].setLabelAlignment(Qt::AlignRight | Qt::AlignBottom);
        _user_markers[i].setLinePen(QPen(QColor(255, 140, 0), 0, Qt::SolidLine));
        _user_markers_visible[i] = false;
    }
    _user_markers[0].setLabel(QwtText("A"));
    _user_markers[1].setLabel(QwtText("B"));

    // data marker
    _data_marker.setLineStyle(QwtPlotMarker::VLine);
    _data_marker.setLinePen(QPen(QColor(255, 160, 47), 2, Qt::SolidLine));
    _data_marker.setLabel(QwtText("data"));
    _data_marker.setLabelAlignment(Qt::AlignTop | Qt::AlignRight);
    _data_marker_visible = false;
    _data_marker.setZ(9999); // higher value -> paint on top of everything else

    setAutoReplot(true);
}
Example #29
0
MainWindow::MainWindow(QWidget *parent) :
    QMainWindow(parent),
    ui(new Ui::MainWindow)
{
    ui->setupUi(this);
//-----------------------------------------------------
    vBox = new QWidget;
    vBox->setWindowTitle( "Графік температури" );
    TempPlot *plot = new TempPlot;
    plot->setParent(this);
    plot->setTitle( "Графік температури" );
    QwtPlotGrid *grid;
    grid = new QwtPlotGrid;
    grid->enableXMin(true);
    grid->setMajorPen(QPen(Qt::gray,0,Qt::DashLine));
    grid->setMinorPen((QPen(Qt::gray,0,Qt::DotLine)));
    grid->attach(plot);
    QwtPlotZoomer *zoom;
    zoom = new QwtPlotZoomer(plot->canvas());
    zoom->setRubberBandPen(QPen(Qt::white));
    const int margin = 1;
    plot->setContentsMargins( margin, margin, margin, margin );
    QVBoxLayout *layout = new QVBoxLayout( vBox );
    layout->addWidget( plot );
    vBox->resize( 650, 330);
//-----------------------------------------------------
    vBox2 = new QWidget;
    vBox2->setWindowTitle( "Графік рівня радіосигналу");
    RssiPlot *plot2 = new RssiPlot;
    plot2->setParent(this);
    plot2->setTitle( "Графік рівня радіосигналу" );
    QwtPlotGrid *grid2;
    grid2 = new QwtPlotGrid;
    grid2->enableXMin(true);
    grid2->setMajorPen(QPen(Qt::gray,0,Qt::DashLine));
    grid2->setMinorPen((QPen(Qt::gray,0,Qt::DotLine)));
    grid2->attach(plot2);
    QwtPlotZoomer *zoom2;
    zoom2 = new QwtPlotZoomer(plot2->canvas());
    zoom2->setRubberBandPen(QPen(Qt::white));
    const int margin2 = 1;
    plot2->setContentsMargins( margin2, margin2, margin2, margin2 );
    QVBoxLayout *layout2 = new QVBoxLayout( vBox2 );
    layout2->addWidget( plot2 );
    vBox2->resize( 650, 330 );
//-----------------------------------------------------
    timer = new QTimer(this);
    serial = new QSerialPort(this);
    QString str;
    foreach (const QSerialPortInfo &serialPortInfo, QSerialPortInfo::availablePorts()) {
        str=serialPortInfo.portName();
        ui->comboBox_2->addItem(str);
    }
Example #30
0
int qfit::setupGui()
{
//   if(QApplication::arguments().size() > 1)
//     filePath->setText(QApplication::arguments().at(1));
    if(QApplication::argc() == 2) {
        filePath->setText(QApplication::argv()[1]);
    }
    selectFit->addItem(tr("Fit Linear"));/*TODO add once are available in FitTools
  selectFit->addItem(tr("Fit Slope"));
  selectFit->addItem(tr("Fit Horizontal"));
  selectFit->addItem(tr("Fit Exponential"));
  selectFit->addItem(tr("Fit Logarithmic"));*/

#ifdef Qwt6_FOUND
    // plot stuff
    // panning with the middle mouse button
    QwtPlotPanner *panner = new QwtPlotPanner(qwtPlot->canvas());
    panner->setMouseButton(Qt::MidButton);
    // zoom in/out with the wheel
    (void) new QwtPlotMagnifier(qwtPlot->canvas());
    // zoom an area with left button
    QwtPlotZoomer *zoomer = new QwtPlotZoomer(qwtPlot->canvas());
    zoomer->setRubberBandPen(QColor(Qt::black));
    zoomer->setTrackerPen(QColor(Qt::black));
    zoomer->setMousePattern(QwtEventPattern::MouseSelect2, Qt::RightButton, Qt::ControlModifier);
    zoomer->setMousePattern(QwtEventPattern::MouseSelect3, Qt::RightButton);

    // canvas
    qwtPlot->canvas()->setLineWidth(1);
    qwtPlot->canvas()->setFrameStyle(QFrame::Box | QFrame::Plain);
    qwtPlot->canvas()->setBorderRadius(10);
    qwtPlot->canvas()->setPalette(Qt::darkGray);
    //grid
    QwtPlotGrid *grid = new QwtPlotGrid();
    grid->setMajPen(QPen(Qt::white, 0, Qt::DotLine));
//   grid->setMinPen(QPen(Qt::gray, 0, Qt::DotLine));
    grid->attach(qwtPlot);
#endif

    // tooltips
    infoButton->setToolTip(trUtf8("About"));
    openFileButton->setToolTip(trUtf8("Open file"));
    selectFit->setToolTip(trUtf8("Fit typology"));
    startFit->setToolTip(trUtf8("GO!"));
    cleanLogButton->setToolTip(trUtf8("Clear log"));

#ifdef Qwt6_FOUND
    savePlotButton->setToolTip(trUtf8("Save plot"));
#endif

    return(0);
}