Ejemplo n.º 1
0
QT_CHARTS_USE_NAMESPACE

Widget::Widget(QWidget *parent)
    : QWidget(parent)
{
    setMinimumSize(800, 600);

    //! [1]
    QChartView *chartView = new QChartView;
    chartView->setRenderHint(QPainter::Antialiasing);
    QChart *chart = chartView->chart();
    chart->legend()->setVisible(false);
    chart->setTitle("Nested donuts demo");
    chart->setAnimationOptions(QChart::AllAnimations);
    //! [1]

    //! [2]
    qreal minSize = 0.1;
    qreal maxSize = 0.9;
    int donutCount = 5;
    //! [2]

    //! [3]
    for (int i = 0; i < donutCount; i++) {
        QPieSeries *donut = new QPieSeries;
        int sliceCount =  3 + QRandomGenerator::global()->bounded(3);
        for (int j = 0; j < sliceCount; j++) {
            qreal value = 100 + QRandomGenerator::global()->bounded(100);
            QPieSlice *slice = new QPieSlice(QString("%1").arg(value), value);
            slice->setLabelVisible(true);
            slice->setLabelColor(Qt::white);
            slice->setLabelPosition(QPieSlice::LabelInsideTangential);
            connect(slice, &QPieSlice::hovered, this, &Widget::explodeSlice);
            donut->append(slice);
            donut->setHoleSize(minSize + i * (maxSize - minSize) / donutCount);
            donut->setPieSize(minSize + (i + 1) * (maxSize - minSize) / donutCount);
        }
        m_donuts.append(donut);
        chartView->chart()->addSeries(donut);
    }
    //! [3]

    // create main layout
    //! [4]
    QGridLayout *mainLayout = new QGridLayout;
    mainLayout->addWidget(chartView, 1, 1);
    setLayout(mainLayout);
    //! [4]

    //! [5]
    updateTimer = new QTimer(this);
    connect(updateTimer, &QTimer::timeout, this, &Widget::updateRotation);
    updateTimer->start(1250);
    //! [5]
}
Ejemplo n.º 2
0
void MEX_PerfMonChart::setChart(QList<int> lowestList, QList<int> highestList, QList<int> averageList)
{
    //Set layout
    QGridLayout *layout = new QGridLayout(this);

    QBarSet *low = new QBarSet("Lowest");
    QBarSet *high = new QBarSet("Highest");
    QBarSet *average = new QBarSet("Average");

    ///-1 entfernen um letzten chart anzuzeigen - for (int i=0; i<(lowestList.size()-1); ++i)
    for (int i=0; i<(lowestList.size()); ++i)
    {
        //Chart list debug:
        //qDebug() <<"avglist at(" << i  << ")" << averageList.at(i);
        *low << lowestList.at(i);
        *high << highestList.at(i);
        *average<< averageList.at(i);
    }

    QBarSeries* series = new QBarSeries();
    series->append(low);
    series->append(high);
    series->append(average);

    QChart *chart = new QChart();
    chart->addSeries(series);

    QStringList durations;
    durations << "duration1" << "duration2" << "duration3" << "duration4" << "duration5";
    QBarCategoryAxis *axis = new QBarCategoryAxis();
    axis->append(durations);
    chart->createDefaultAxes();
    chart->setAxisX(axis, series);

    chart->legend()->setVisible(true);
    chart->legend()->setAlignment(Qt::AlignBottom);

    chart->setTitle("Durations in nanoseconds");
    chart->setAnimationOptions(QChart::SeriesAnimations);
    QChartView *chartView = new QChartView(chart);
    chartView->setRenderHint(QPainter::Antialiasing);

    layout->addWidget(chartView,0,0);
}
Ejemplo n.º 3
0
int main(int argc, char *argv[])
{
    QApplication a(argc, argv);

    QMainWindow window;
    QChart *chart = new QChart();
    WaveChart *waveChart = new WaveChart(chart,&window);

    waveChart->setViewport( new QOpenGLWidget() );
    waveChart->setRenderHint(QPainter::Antialiasing);
    chart->setAnimationOptions(QChart::AllAnimations);
    chart->setTitle("This is wave generator.");

    window.setCentralWidget(waveChart);
    window.resize(400, 300);
    window.show();

    return a.exec();
}
Ejemplo n.º 4
0
QT_CHARTS_USE_NAMESPACE

int main(int argc, char *argv[])
{
    QApplication a(argc, argv);

//![1]
    QBarSet *set0 = new QBarSet("Jane");
    QBarSet *set1 = new QBarSet("John");
    QBarSet *set2 = new QBarSet("Axel");
    QBarSet *set3 = new QBarSet("Mary");
    QBarSet *set4 = new QBarSet("Samantha");

    *set0 << 1 << 2 << 3 << 4 << 5 << 6;
    *set1 << 5 << 0 << 0 << 4 << 0 << 7;
    *set2 << 3 << 5 << 8 << 13 << 8 << 5;
    *set3 << 5 << 6 << 7 << 3 << 4 << 5;
    *set4 << 9 << 7 << 5 << 3 << 1 << 2;
//![1]

//![2]
    QHorizontalBarSeries *series = new QHorizontalBarSeries();
    series->append(set0);
    series->append(set1);
    series->append(set2);
    series->append(set3);
    series->append(set4);
//![2]

//![3]
    QChart *chart = new QChart();
    chart->addSeries(series);
    chart->setTitle("Simple horizontal barchart example");
    chart->setAnimationOptions(QChart::SeriesAnimations);
//![3]

//![4]
    QStringList categories;
    categories << "Jan" << "Feb" << "Mar" << "Apr" << "May" << "Jun";
    QBarCategoryAxis *axisY = new QBarCategoryAxis();
    axisY->append(categories);
    chart->setAxisY(axisY, series);
    QValueAxis *axisX = new QValueAxis();
    chart->setAxisX(axisX, series);
    axisX->applyNiceNumbers();
//![4]

//![5]
    chart->legend()->setVisible(true);
    chart->legend()->setAlignment(Qt::AlignBottom);
//![5]

//![6]
    QChartView *chartView = new QChartView(chart);
    chartView->setRenderHint(QPainter::Antialiasing);
//![6]

//![7]
    QMainWindow window;
    window.setCentralWidget(chartView);
    window.resize(420, 300);
    window.show();
//![7]

    return a.exec();
}