main.cpp Example File

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  ** Copyright (C) 2016 The Qt Company Ltd.
  ** Contact: https://www.qt.io/licensing/
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  ** This file is part of the Qt Charts module of the Qt Toolkit.
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  #include <QtCharts/QChartView>
  #include <QtCharts/QLineSeries>
  #include <QtCharts/QLogValueAxis>
  #include <QtCharts/QValueAxis>
  #include <QtWidgets/QApplication>
  #include <QtWidgets/QMainWindow>

  QT_CHARTS_USE_NAMESPACE

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

      QLineSeries *series = new QLineSeries();
      *series << QPointF(1.0, 1.0) << QPointF(2.0, 73.0) << QPointF(3.0, 268.0) << QPointF(4.0, 17.0)
              << QPointF(5.0, 4325.0) << QPointF(6.0, 723.0);

      QChart *chart = new QChart();
      chart->addSeries(series);
      chart->legend()->hide();
      chart->setTitle("Logarithmic axis example");

      QValueAxis *axisX = new QValueAxis();
      axisX->setTitleText("Data point");
      axisX->setLabelFormat("%i");
      axisX->setTickCount(series->count());
      chart->addAxis(axisX, Qt::AlignBottom);
      series->attachAxis(axisX);

      QLogValueAxis *axisY = new QLogValueAxis();
      axisY->setTitleText("Values");
      axisY->setLabelFormat("%g");
      axisY->setBase(8.0);
      axisY->setMinorTickCount(-1);
      chart->addAxis(axisY, Qt::AlignLeft);
      series->attachAxis(axisY);

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

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

      return app.exec();
  }