C++ setAxisTitle函数代码示例

Plotter::Plotter( QWidget *parent ):
    QwtPlot( parent )
{
    // Assign a title
    setTitle( "WAVE DATA" );

    QwtPlotCanvas *canvas = new QwtPlotCanvas();
    canvas->setFrameStyle( QFrame::Box | QFrame::Plain );
    canvas->setLineWidth( 1 );
    canvas->setPalette( Qt::white );

    setCanvas( canvas );

    alignScales();

    // Insert grid
    d_grid = new QwtPlotGrid();
    d_grid->attach( this );

    // Axis
    setAxisTitle( QwtPlot::xBottom, "Time" );
//    setAxisScale( QwtPlot::xBottom, -d_interval, 0.0 );

    setAxisTitle( QwtPlot::yLeft, "Amplitude" );
//    setAxisScale( QwtPlot::yLeft, -1.0, 1.0 );

    resize(600, 350);
}

Plot::Plot(QWidget *parent):
    QwtPlot( parent )
{
    // panning with the left mouse button
    (void) new QwtPlotPanner( canvas() );

    // zoom in/out with the wheel
    (void) new QwtPlotMagnifier( canvas() );

    setAutoFillBackground( true );
    setPalette( QPalette( QColor( 165, 193, 228 ) ) );
    updateGradient();

    setTitle("A Simple QwtPlot Demonstration");
    insertLegend(new QwtLegend(), QwtPlot::RightLegend);

    // axes 
    setAxisTitle(xBottom, "x -->" );
    setAxisScale(xBottom, 0.0, 10.0);

    setAxisTitle(yLeft, "y -->");
    setAxisScale(yLeft, -1.0, 1.0);

    // canvas
    canvas()->setLineWidth( 1 );
    canvas()->setFrameStyle( QFrame::Box | QFrame::Plain );
    canvas()->setBorderRadius( 15 );

    QPalette canvasPalette( Qt::white );
    canvasPalette.setColor( QPalette::Foreground, QColor( 133, 190, 232 ) );
    canvas()->setPalette( canvasPalette );

    populate();
}

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);
}

PerfPlot::PerfPlot() : STScurve(NULL), LTScurve(NULL), SBcurve(NULL), DAYcurve(NULL)
{
    xsd = new PPTimeScaleDraw(QDateTime());
    xsd->setTickLength(QwtScaleDiv::MajorTick, 3);
    setAxisScaleDraw(QwtPlot::xBottom, xsd);

    insertLegend(new QwtLegend(), QwtPlot::BottomLegend);
    setAxisTitle(yLeft, tr("Exponentially Weighted Average Stress"));
    setAxisTitle(xBottom, tr("Time (days)"));
    setAxisTitle(yRight, tr("Daily Stress"));
    enableAxis(yRight, true);
    static_cast<QwtPlotCanvas*>(canvas())->setFrameStyle(QFrame::NoFrame);

    setAxisMaxMinor(xBottom, 0);
    setAxisMaxMinor(yLeft, 0);
    setAxisMaxMinor(yRight, 0);

    QwtScaleDraw *sd = new QwtScaleDraw;
    sd->setTickLength(QwtScaleDiv::MajorTick, 3);
    setAxisScaleDraw(QwtPlot::yLeft, sd);

    sd = new QwtScaleDraw;
    sd->setTickLength(QwtScaleDiv::MajorTick, 3);
    setAxisScaleDraw(QwtPlot::yRight, sd);

    grid = new QwtPlotGrid();
    grid->attach(this);

    configUpdate();
}

void BarChart::setOrientation( int o )
{
    const Qt::Orientation orientation =
        ( o == 0 ) ? Qt::Vertical : Qt::Horizontal;

    int axis1 = QwtPlot::xBottom;
    int axis2 = QwtPlot::yLeft;

    if ( orientation == Qt::Horizontal )
        qSwap( axis1, axis2 );

    d_barChartItem->setOrientation( orientation );

    setAxisTitle( axis1, "Distros" );
    setAxisMaxMinor( axis1, 3 );
    setAxisScaleDraw( axis1, new DistroScaleDraw( orientation, d_distros ) );

    setAxisTitle( axis2, "Hits per day ( HPD )" );
    setAxisMaxMinor( axis2, 3 );

    QwtScaleDraw *scaleDraw = new QwtScaleDraw();
    scaleDraw->setTickLength( QwtScaleDiv::MediumTick, 4 );
    setAxisScaleDraw( axis2, scaleDraw );

    plotLayout()->setCanvasMargin( 0 );
    replot();
}

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();
}

void matrixofpixels::HistogramPlotProperty(double Xmin, double Xmax, double Ymax)
{
    changeitems();
    setAxisAutoScale(this->xTop);
    setAxisAutoScale(this->xBottom);
    //setAxisFont(QwtPlot::xBottom,QFont("Helvetica",15,1));
    QwtText xlabel("Value");
    QwtText ylabel("Events");
    QColor col(Qt::red);
    xlabel.setColor(col);
    ylabel.setColor(col);
    xlabel.setFont(QFont("Helvetica",15,1));
    ylabel.setFont(QFont("Helvetica",15,1));
    setAxisTitle(QwtPlot::xBottom,xlabel);
    setAxisTitle(QwtPlot::yLeft,ylabel);

    setCanvasBackground(QColor(Qt::white));
    setAxisScale(QwtPlot::xBottom, Xmin, Xmax);
    setAxisMaxMinor(QwtPlot::xBottom, 0);
    setAxisScale(QwtPlot::yLeft, 0, Ymax);
    setAxisMaxMinor(QwtPlot::yLeft, 0);
    plotLayout()->setAlignCanvasToScales(true);

    his->attach(this);

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

    replot();
}

Plot::Plot( QWidget *parent ):
    QwtPlot( parent ),
    d_interval( 10.0 ), // seconds
    d_timerId( -1 )
{
    // Assign a title
    setTitle( "Testing Refresh Rates" );

    setCanvasBackground( Qt::white );

    alignScales();

    // Insert grid
    d_grid = new QwtPlotGrid();
    d_grid->attach( this );

    // Insert curve
    d_curve = new QwtPlotCurve( "Data Moving Right" );
    d_curve->setPen( QPen( Qt::black ) );
    d_curve->setData( new CircularBuffer( d_interval, 10 ) );
    d_curve->attach( this );

    // Axis
    setAxisTitle( QwtPlot::xBottom, "Seconds" );
    setAxisScale( QwtPlot::xBottom, -d_interval, 0.0 );

    setAxisTitle( QwtPlot::yLeft, "Values" );
    setAxisScale( QwtPlot::yLeft, -1.0, 1.0 );

    d_clock.start();

    setSettings( d_settings );
}

//-----------------------------------------------------------------------------------------
//-----------------------------------------------------------------------------------------
Plot::Plot(QString aname, QString acasename, QWidget *parent)
	: QwtPlot(parent)
{
	name = aname;
	for (int i=0; i<ncmax; i++) {
		curve[i] = 0;
	}
	ncurves = 0;
	yscale = 0;
    if (acasename.compare("conc")==0) {
        setAxisTitle(QwtPlot::xBottom, "Distance (um)");
    } else if (acasename.compare("vol")==0) {
        setAxisTitle(QwtPlot::xBottom, "Volume fraction");
    } else if (acasename.compare("oxy")==0) {
        setAxisTitle(QwtPlot::xBottom, "O2 level");
    } else {
        setAxisTitle(QwtPlot::xBottom, "Time (hours)");
    }
	if (name.compare("") != 0) {
		curve[0] = new QwtPlotCurve(acasename);
		curve[0]->attach(this);
		ncurves = 1;
		replot();
	}
}

BarChart::BarChart( QWidget *parent ):
    QwtPlot( parent )
{
    setAutoFillBackground( true );

    setPalette( Qt::white );
    canvas()->setPalette( QColor( "LemonChiffon" ) );

    setTitle( "Bar Chart" );

    setAxisTitle( QwtPlot::yLeft, "Whatever" );
    setAxisTitle( QwtPlot::xBottom, "Whatever" );

    d_barChartItem = new QwtPlotMultiBarChart( "Bar Chart " );
    d_barChartItem->setLayoutPolicy( QwtPlotMultiBarChart::AutoAdjustSamples );
    d_barChartItem->setSpacing( 20 );
    d_barChartItem->setMargin( 3 );

    d_barChartItem->attach( this );

    insertLegend( new QwtLegend() );

    populate();
    setOrientation( 0 );

    setAutoReplot( true );
}

Plot::Plot( QWidget *parent ):
    QwtPlot( parent )
{
    setPalette( QColor( 60, 60, 60 ) );
    canvas()->setPalette( Qt::white );

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

    // zoom in/out with the wheel
    ( void ) new QwtPlotMagnifier( canvas() );

    setTitle( "Shapes" );
    insertLegend( new QwtLegend(), QwtPlot::RightLegend );

    // axes
    setAxisTitle( QwtAxis::xBottom, "x -->" );
    setAxisTitle( QwtAxis::yLeft, "y -->" );
#if 0
    setAxisScaleEngine( QwtAxis::xBottom, new QwtLog10ScaleEngine );
    setAxisScaleEngine( QwtAxis::yLeft, new QwtLog10ScaleEngine );
#endif

    populate();
}

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();

}

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);
}

HistoricPlot::HistoricPlot(QWidget *parent)
:QwtPlot(parent)
{
    //Fondo del canvas negro
    canvas()->setPalette(Qt::black);

    //Auto repintar las curvas
    setAutoReplot(true);

    setTitle("Historian Variable Plot");

    // Grid
    m_grid = new QwtPlotGrid;
    m_grid->enableXMin( true );
    m_grid->setMajorPen( Qt::gray, 0, Qt::DotLine );
    m_grid->setMinorPen( Qt::darkGray, 0, Qt::DotLine );
    m_grid->attach( this );

    //Scale
    m_scaleDraw = new QwtDateScaleDraw( Qt::UTC );

    m_scaleDraw->setDateFormat( QwtDate::Millisecond, "hh:mm:ss:zzz\nddd dd MMM yyyy" );
    m_scaleDraw->setDateFormat( QwtDate::Second, "hh:mm:ss\nddd dd MMM yyyy" );
    m_scaleDraw->setDateFormat( QwtDate::Minute, "hh:mm\nddd dd MMM yyyy" );
    m_scaleDraw->setDateFormat( QwtDate::Hour, "hh:mm\nddd dd MMM yyyy" );
    m_scaleDraw->setDateFormat( QwtDate::Day, "ddd dd MMM yyyy" );
    m_scaleDraw->setDateFormat( QwtDate::Week, "Www yyyy" );
    m_scaleDraw->setDateFormat( QwtDate::Month, "MMM yyyy" );
    m_scaleDraw->setDateFormat( QwtDate::Year, "yyyy");


    m_scaleEngine = new QwtDateScaleEngine( Qt::UTC );

    //Axis
    setAxisTitle( QwtPlot::xBottom, QString( "Time" ) );
    setAxisScaleDraw( QwtPlot::xBottom, m_scaleDraw );
    setAxisScaleEngine( QwtPlot::xBottom, m_scaleEngine );
    setAxisLabelRotation( QwtPlot::xBottom, -50.0 );
    setAxisLabelAlignment( QwtPlot::xBottom, Qt::AlignLeft | Qt::AlignBottom );

    setAxisTitle( QwtPlot::yLeft, QString( "Value" ) );

    //Legend
    m_legend = new QwtLegend;
    insertLegend(m_legend);

    //Zoomer
    m_zoomer = new Zoomer( canvas() );
    m_zoomer->setMousePattern( QwtEventPattern::MouseSelect2,
        Qt::RightButton, Qt::ControlModifier );
    m_zoomer->setMousePattern( QwtEventPattern::MouseSelect3,
        Qt::RightButton );

    //Panner
    m_panner = new QwtPlotPanner( canvas() );
    m_panner->setMouseButton( Qt::MidButton );

    resize(800,600);
}

CpintPlot::CpintPlot(Context *context, QString p, const Zones *zones, bool rangemode) :
    path(p),
    thisCurve(NULL),
    CPCurve(NULL),
    allCurve(NULL),
    zones(zones),
    series(RideFile::watts),
    context(context),
    current(NULL),
    bests(NULL),
    isFiltered(false),
    shadeMode(2),
    rangemode(rangemode)
{
    setAutoFillBackground(true);

    setAxisTitle(xBottom, tr("Interval Length"));
    LogTimeScaleDraw *ld = new LogTimeScaleDraw;

    ld->setTickLength(QwtScaleDiv::MajorTick, 3);
    setAxisScaleDraw(xBottom, ld);
    setAxisScaleEngine(xBottom, new QwtLogScaleEngine);
    QwtScaleDiv div( (double)0.017, (double)60 );
    div.setTicks(QwtScaleDiv::MajorTick, LogTimeScaleDraw::ticks);
    setAxisScaleDiv(QwtPlot::xBottom, div);

    QwtScaleDraw *sd = new QwtScaleDraw;
    sd->setTickLength(QwtScaleDiv::MajorTick, 3);
    sd->enableComponent(QwtScaleDraw::Ticks, false);
    sd->enableComponent(QwtScaleDraw::Backbone, false);
    setAxisScaleDraw(yLeft, sd);
    setAxisTitle(yLeft, tr("Average Power (watts)"));
    setAxisMaxMinor(yLeft, 0);
    plotLayout()->setAlignCanvasToScales(true);

    //grid = new QwtPlotGrid();
    //grid->enableX(true);
    //grid->attach(this);

    curveTitle.attach(this);
    curveTitle.setXValue(5);
    curveTitle.setYValue(60);
    curveTitle.setLabel(QwtText("", QwtText::PlainText)); // default to no title

    zoomer = new penTooltip(static_cast<QwtPlotCanvas*>(this->canvas()));
    zoomer->setMousePattern(QwtEventPattern::MouseSelect1,
                            Qt::LeftButton, Qt::ShiftModifier);

    canvasPicker = new LTMCanvasPicker(this);
    static_cast<QwtPlotCanvas*>(canvas())->setFrameStyle(QFrame::NoFrame);
    connect(canvasPicker, SIGNAL(pointHover(QwtPlotCurve*, int)), this, SLOT(pointHover(QwtPlotCurve*, int)));

    configChanged(); // apply colors

    ecp = new ExtendedCriticalPower(context);
    extendedCPCurve4 = NULL;
    extendedCurveTitle2 = NULL;
}