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29
30#include <QtWidgets/QApplication>
31#include <QtWidgets/QMainWindow>
32#include <QtCharts/QChartView>
33#include <QtCharts/QLineSeries>
34#include <QtCharts/QSplineSeries>
35#include <QtCharts/QValueAxis>
36#include <QtCharts/QCategoryAxis>
37
38QT_CHARTS_USE_NAMESPACE
39
40int main(int argc, char *argv[])
41{
42 QApplication a(argc, argv);
43
44 //![1]
45 QChart *chart = new QChart();
46 chart->legend()->hide();
47 chart->setTitle("Multiaxis chart example");
48 //![1]
49
50 //![2]
51 QValueAxis *axisX = new QValueAxis;
52 axisX->setTickCount(10);
53 chart->addAxis(axis: axisX, alignment: Qt::AlignBottom);
54 //![2]
55
56 //![3]
57 QSplineSeries *series = new QSplineSeries;
58 *series << QPointF(1, 5) << QPointF(3.5, 18) << QPointF(4.8, 7.5) << QPointF(10, 2.5);
59 chart->addSeries(series);
60
61 QValueAxis *axisY = new QValueAxis;
62 axisY->setLinePenColor(series->pen().color());
63
64 chart->addAxis(axis: axisY, alignment: Qt::AlignLeft);
65 series->attachAxis(axis: axisX);
66 series->attachAxis(axis: axisY);
67 //![3]
68
69 //![4]
70 series = new QSplineSeries;
71 *series << QPointF(1, 0.5) << QPointF(1.5, 4.5) << QPointF(2.4, 2.5) << QPointF(4.3, 12.5)
72 << QPointF(5.2, 3.5) << QPointF(7.4, 16.5) << QPointF(8.3, 7.5) << QPointF(10, 17);
73 chart->addSeries(series);
74
75 QCategoryAxis *axisY3 = new QCategoryAxis;
76 axisY3->append(label: "Low", categoryEndValue: 5);
77 axisY3->append(label: "Medium", categoryEndValue: 12);
78 axisY3->append(label: "High", categoryEndValue: 17);
79 axisY3->setLinePenColor(series->pen().color());
80 axisY3->setGridLinePen((series->pen()));
81
82 chart->addAxis(axis: axisY3, alignment: Qt::AlignRight);
83 series->attachAxis(axis: axisX);
84 series->attachAxis(axis: axisY3);
85 //![4]
86
87 //![5]
88 QChartView *chartView = new QChartView(chart);
89 chartView->setRenderHint(hint: QPainter::Antialiasing);
90 //![5]
91
92 //![6]
93 QMainWindow window;
94 window.setCentralWidget(chartView);
95 window.resize(w: 800, h: 600);
96 window.show();
97 //![6]
98
99 return a.exec();
100}
101
102

source code of qtcharts/examples/charts/multiaxis/main.cpp