Beispiel #1
0
    QChart *createChart(const DataTable &table)
    {
        QChart *chart = new QChart();
        chart->setTitle("StackedBar: BarCateogry X, Log Y");

        QString name("Series ");
        QStackedBarSeries *series = new QStackedBarSeries(chart);
        QLogValueAxis *logvalueaxis = new QLogValueAxis();
        logvalueaxis->setBase(2);
        QBarCategoryAxis *barcategory = new QBarCategoryAxis();
        for (int i(0); i < table.count(); i++) {
            QBarSet *set = new QBarSet("Bar set " + QString::number(i));
            foreach (Data data, table[i])
                *set << data.first.y();
            series->append(set);
        }
        chart->addSeries(series);

        int count = series->barSets().first()->count();


        for (int i = 0; i < count; i++) {
            barcategory->append("BarSet " + QString::number(i));
        }

        chart->setAxisY(logvalueaxis, series);
        chart->setAxisX(barcategory, series);

        return chart;
    }
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);
}
Beispiel #3
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();
}