main.cpp Example File

multiaxis/main.cpp
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 #include <QtWidgets/QApplication>
 #include <QtWidgets/QMainWindow>
 #include <QtCharts/QChartView>
 #include <QtCharts/QLineSeries>
 #include <QtCharts/QSplineSeries>
 #include <QtCharts/QValueAxis>
 #include <QtCharts/QCategoryAxis>

 QT_CHARTS_USE_NAMESPACE

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

     QChart *chart = new QChart();
     chart->legend()->hide();
     chart->setTitle("Multiaxis chart example");

     QValueAxis *axisX = new QValueAxis;
     axisX->setTickCount(10);
     chart->addAxis(axisX, Qt::AlignBottom);

     QSplineSeries *series = new QSplineSeries;
     *series << QPointF(1, 5) << QPointF(3.5, 18) << QPointF(4.8, 7.5) << QPointF(10, 2.5);
     chart->addSeries(series);

     QValueAxis *axisY = new QValueAxis;
     axisY->setLinePenColor(series->pen().color());

     chart->addAxis(axisY, Qt::AlignLeft);
     series->attachAxis(axisX);
     series->attachAxis(axisY);

     series = new QSplineSeries;
     *series << QPointF(1, 0.5) << QPointF(1.5, 4.5) << QPointF(2.4, 2.5) << QPointF(4.3, 12.5)
             << QPointF(5.2, 3.5) << QPointF(7.4, 16.5) << QPointF(8.3, 7.5) << QPointF(10, 17);
     chart->addSeries(series);

     QCategoryAxis *axisY3 = new QCategoryAxis;
     axisY3->append("Low", 5);
     axisY3->append("Medium", 12);
     axisY3->append("High", 17);
     axisY3->setLinePenColor(series->pen().color());
     axisY3->setGridLinePen((series->pen()));

     chart->addAxis(axisY3, Qt::AlignRight);
     series->attachAxis(axisX);
     series->attachAxis(axisY3);

     QChartView *chartView = new QChartView(chart);
     chartView->setRenderHint(QPainter::Antialiasing);

     QMainWindow window;
     window.setCentralWidget(chartView);
     window.resize(800, 600);
     window.show();

     return a.exec();
 }