/**************************************************************************** ** ** 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 ** and conditions see https://www.qt.io/terms-conditions. For further ** information use the contact form at https://www.qt.io/contact-us. ** ** 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 ** information to ensure the GNU General Public License requirements will ** be met: https://www.gnu.org/licenses/gpl-3.0.html. ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #include #include #include #include #include #include QT_CHARTS_USE_NAMESPACE int main(int argc, char *argv[]) { QApplication app(argc, argv); //![1] 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); //![1] //![2] QChart *chart = new QChart(); chart->addSeries(series); chart->legend()->hide(); chart->setTitle("Logarithmic axis example"); //![2] //![3] 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); //![3] //![4] QChartView *chartView = new QChartView(chart); chartView->setRenderHint(QPainter::Antialiasing); //![4] //![5] QMainWindow window; window.setCentralWidget(chartView); window.resize(800, 600); window.show(); //![5] return app.exec(); }