main.cpp
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| text/x-c
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CppLexer
Miikka Heikkinen
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r2483 | /**************************************************************************** | ||
| ** | ||||
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r2688 | ** Copyright (C) 2014 Digia Plc | ||
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r2483 | ** All rights reserved. | ||
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r2740 | ** For any questions to Digia, please use contact form at http://qt.io | ||
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r2483 | ** | ||
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r2740 | ** This file is part of the Qt Charts module. | ||
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r2483 | ** | ||
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r2740 | ** Licensees holding valid commercial license for Qt may use this file in | ||
| ** accordance with the Qt License Agreement provided with the Software | ||||
| ** or, alternatively, in accordance with the terms contained in a written | ||||
| ** agreement between you and Digia. | ||||
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r2483 | ** | ||
| ** If you have questions regarding the use of this file, please use | ||||
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r2740 | ** contact form at http://qt.io | ||
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r2483 | ** | ||
| ****************************************************************************/ | ||||
| #include "chartview.h" | ||||
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r2714 | #include <QtWidgets/QApplication> | ||
| #include <QtWidgets/QMainWindow> | ||||
| #include <QtCharts/QScatterSeries> | ||||
| #include <QtCharts/QLineSeries> | ||||
| #include <QtCharts/QSplineSeries> | ||||
| #include <QtCharts/QAreaSeries> | ||||
| #include <QtCharts/QValueAxis> | ||||
| #include <QtCharts/QPolarChart> | ||||
| #include <QtCore/QDebug> | ||||
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r2483 | |||
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r2712 | QT_CHARTS_USE_NAMESPACE | ||
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r2483 | |||
| int main(int argc, char *argv[]) | ||||
| { | ||||
| QApplication a(argc, argv); | ||||
| const qreal angularMin = -100; | ||||
| const qreal angularMax = 100; | ||||
| const qreal radialMin = -100; | ||||
| const qreal radialMax = 100; | ||||
| QScatterSeries *series1 = new QScatterSeries(); | ||||
| series1->setName("scatter"); | ||||
| for (int i = angularMin; i <= angularMax; i += 10) | ||||
| series1->append(i, (i / radialMax) * radialMax + 8.0); | ||||
| QSplineSeries *series2 = new QSplineSeries(); | ||||
| series2->setName("spline"); | ||||
| for (int i = angularMin; i <= angularMax; i += 10) | ||||
| series2->append(i, (i / radialMax) * radialMax); | ||||
| QLineSeries *series3 = new QLineSeries(); | ||||
| series3->setName("star outer"); | ||||
| qreal ad = (angularMax - angularMin) / 8; | ||||
| qreal rd = (radialMax - radialMin) / 3 * 1.3; | ||||
| series3->append(angularMin, radialMax); | ||||
| series3->append(angularMin + ad*1, radialMin + rd); | ||||
| series3->append(angularMin + ad*2, radialMax); | ||||
| series3->append(angularMin + ad*3, radialMin + rd); | ||||
| series3->append(angularMin + ad*4, radialMax); | ||||
| series3->append(angularMin + ad*5, radialMin + rd); | ||||
| series3->append(angularMin + ad*6, radialMax); | ||||
| series3->append(angularMin + ad*7, radialMin + rd); | ||||
| series3->append(angularMin + ad*8, radialMax); | ||||
| QLineSeries *series4 = new QLineSeries(); | ||||
| series4->setName("star inner"); | ||||
| ad = (angularMax - angularMin) / 8; | ||||
| rd = (radialMax - radialMin) / 3; | ||||
| series4->append(angularMin, radialMax); | ||||
| series4->append(angularMin + ad*1, radialMin + rd); | ||||
| series4->append(angularMin + ad*2, radialMax); | ||||
| series4->append(angularMin + ad*3, radialMin + rd); | ||||
| series4->append(angularMin + ad*4, radialMax); | ||||
| series4->append(angularMin + ad*5, radialMin + rd); | ||||
| series4->append(angularMin + ad*6, radialMax); | ||||
| series4->append(angularMin + ad*7, radialMin + rd); | ||||
| series4->append(angularMin + ad*8, radialMax); | ||||
| QAreaSeries *series5 = new QAreaSeries(); | ||||
| series5->setName("star area"); | ||||
| series5->setUpperSeries(series3); | ||||
| series5->setLowerSeries(series4); | ||||
| series5->setOpacity(0.5); | ||||
| //![1] | ||||
| QPolarChart *chart = new QPolarChart(); | ||||
| //![1] | ||||
| chart->addSeries(series1); | ||||
| chart->addSeries(series2); | ||||
| chart->addSeries(series3); | ||||
| chart->addSeries(series4); | ||||
| chart->addSeries(series5); | ||||
| chart->setTitle("Use arrow keys to scroll, +/- to zoom, and space to switch chart type."); | ||||
| //![2] | ||||
| QValueAxis *angularAxis = new QValueAxis(); | ||||
| angularAxis->setTickCount(9); // First and last ticks are co-located on 0/360 angle. | ||||
| angularAxis->setLabelFormat("%.1f"); | ||||
| angularAxis->setShadesVisible(true); | ||||
| angularAxis->setShadesBrush(QBrush(QColor(249, 249, 255))); | ||||
| chart->addAxis(angularAxis, QPolarChart::PolarOrientationAngular); | ||||
| QValueAxis *radialAxis = new QValueAxis(); | ||||
| radialAxis->setTickCount(9); | ||||
| radialAxis->setLabelFormat("%d"); | ||||
| chart->addAxis(radialAxis, QPolarChart::PolarOrientationRadial); | ||||
| //![2] | ||||
| series1->attachAxis(radialAxis); | ||||
| series1->attachAxis(angularAxis); | ||||
| series2->attachAxis(radialAxis); | ||||
| series2->attachAxis(angularAxis); | ||||
| series3->attachAxis(radialAxis); | ||||
| series3->attachAxis(angularAxis); | ||||
| series4->attachAxis(radialAxis); | ||||
| series4->attachAxis(angularAxis); | ||||
| series5->attachAxis(radialAxis); | ||||
| series5->attachAxis(angularAxis); | ||||
| radialAxis->setRange(radialMin, radialMax); | ||||
| angularAxis->setRange(angularMin, angularMax); | ||||
| ChartView *chartView = new ChartView(); | ||||
| chartView->setChart(chart); | ||||
| chartView->setRenderHint(QPainter::Antialiasing); | ||||
| QMainWindow window; | ||||
| window.setCentralWidget(chartView); | ||||
| window.resize(800, 600); | ||||
| window.show(); | ||||
| return a.exec(); | ||||
| } | ||||