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#include <QtGui/QApplication>
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#include <QMainWindow>
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#include <cmath>
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#include <qchartglobal.h>
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#include <qchartview.h>
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#include <qscatterseries.h>
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QTCOMMERCIALCHART_USE_NAMESPACE
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int main(int argc, char *argv[])
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{
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QApplication a(argc, argv);
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// Create chart widget
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QChartView *chartWidget = new QChartView();
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// Add scatter series with simple test data
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QScatterSeries *scatter = new QScatterSeries();
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*scatter << QPointF(0.5, 5.0)
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<< QPointF(1.0, 4.5)
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<< QPointF(1.0, 5.5)
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<< QPointF(1.5, 5.0)
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<< QPointF(2.0, 4.5)
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<< QPointF(2.0, 5.5)
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<< QPointF(2.5, 5.0);
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chartWidget->addSeries(scatter);
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// Add another scatter series
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// - more data with random component
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QScatterSeries *scatter2 = new QScatterSeries();
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for (qreal i(0.0); i < 20; i += 0.05) {
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(*scatter2) << QPointF(i + (qreal)(rand() % 100) / 100.0,
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i + (qreal)(rand() % 100) / 100.0);
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}
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chartWidget->addSeries(scatter2);
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// Custom pen and brush (not those defined by the chart theme)
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// - uses opaque color
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QColor color("#2685BF");
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color.setAlpha(80);
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QBrush brush(Qt::SolidPattern);
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brush.setColor(color);
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scatter2->setMarkerBrush(brush);
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QPen pen;
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pen.setColor(color);
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pen.setWidth(2);
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scatter2->setMarkerPen(pen);
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// use a rectangle as the marker shape
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scatter2->setMarkerShape(QScatterSeries::MarkerShapeRectangle);
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// Use the chart widget as the central widget
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QMainWindow w;
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w.resize(640, 480);
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w.setCentralWidget(chartWidget);
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w.show();
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return a.exec();
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}
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