|
|
#include <QtGui/QApplication>
|
|
|
#include <QMainWindow>
|
|
|
#include <qchartglobal.h>
|
|
|
#include <qchartview.h>
|
|
|
#include <qscatterseries.h>
|
|
|
|
|
|
QTCOMMERCIALCHART_USE_NAMESPACE
|
|
|
|
|
|
int main(int argc, char *argv[])
|
|
|
{
|
|
|
QApplication a(argc, argv);
|
|
|
|
|
|
// Create chart widget
|
|
|
QChartView *chartView = new QChartView();
|
|
|
|
|
|
//! [1]
|
|
|
// Add scatter series with simple test data
|
|
|
QScatterSeries *scatter = new QScatterSeries();
|
|
|
*scatter << QPointF(0.5, 5.0)
|
|
|
<< QPointF(1.0, 4.5)
|
|
|
<< QPointF(1.0, 5.5)
|
|
|
<< QPointF(1.5, 5.0)
|
|
|
<< QPointF(2.0, 4.5)
|
|
|
<< QPointF(2.0, 5.5)
|
|
|
<< QPointF(2.5, 5.0);
|
|
|
// Chart takes ownership
|
|
|
chartView->addSeries(scatter);
|
|
|
//! [1]
|
|
|
|
|
|
// Add another scatter series
|
|
|
// - more data with random component
|
|
|
QScatterSeries *scatter2 = new QScatterSeries();
|
|
|
for (qreal i(0.0); i < 20; i += 0.15) {
|
|
|
(*scatter2) << QPointF(i + (qreal)(rand() % 100) / 100.0,
|
|
|
i + (qreal)(rand() % 100) / 100.0);
|
|
|
}
|
|
|
QBrush brush(QColor(255, 0, 0, 100), Qt::SolidPattern);
|
|
|
scatter2->setMarkerBrush(brush);
|
|
|
QPen pen(QColor(0, 255, 0, 80), 3);
|
|
|
scatter2->setMarkerPen(pen);
|
|
|
scatter2->setMarkerShape(QScatterSeries::MarkerShapeRectangle);
|
|
|
chartView->addSeries(scatter2);
|
|
|
|
|
|
// Use the chart widget as the central widget
|
|
|
QMainWindow w;
|
|
|
w.resize(640, 480);
|
|
|
w.setCentralWidget(chartView);
|
|
|
w.show();
|
|
|
|
|
|
return a.exec();
|
|
|
}
|
|
|
|
