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 <QtWidgets/QApplication>
  #include <QtWidgets/QMainWindow>
  #include <QtCharts/QChartView>
  #include <QtCharts/QLineSeries>
  #include <QtCharts/QValueAxis>
  #include <QtCharts/QLogValueAxis>

  QT_CHARTS_USE_NAMESPACE

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

      QLineSeries *series = new QLineSeries();
      *series << QPointF(1, 1) << QPointF(2, 73) << QPointF(3, 268) << QPointF(4, 17) << QPointF(5, 4325) << QPointF(6, 723);

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

      QValueAxis *axisX = new QValueAxis;
      axisX->setTitleText("Data point");
      axisX->setTickCount(6);
      axisX->setLabelFormat("%i");
      chart->addAxis(axisX, Qt::AlignBottom);
      series->attachAxis(axisX);

      QLogValueAxis *axisY = new QLogValueAxis;
      axisY->setLabelFormat("%g");
      axisY->setTitleText("Values");
      axisY->setBase(8);
      chart->addAxis(axisY, Qt::AlignLeft);
      series->attachAxis(axisY);

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

      QMainWindow window;
      window.setCentralWidget(chartView);
      window.resize(400, 300);
      window.show();


      return a.exec();
  }