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main.cpp Example File

multiaxis/main.cpp
/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Charts module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
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** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 or (at your option) any later version
** approved by the KDE Free Qt Foundation. The licenses are as published by
** the Free Software Foundation and appearing in the file LICENSE.GPL3
** included in the packaging of this file. Please review the following
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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();
}
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