#include "chartwidget.h" #include #include #include #include QTCOMMERCIALCHART_USE_NAMESPACE #define PI 3.14159265358979 int main(int argc, char *argv[]) { QApplication a(argc, argv); QMainWindow window; QXYChartSeries* series0 = QXYChartSeries::create(); QPen blue(Qt::blue); blue.setWidth(3); series0->setPen(blue); QXYChartSeries* series1 = QXYChartSeries::create(); QPen red(Qt::red); red.setWidth(3); series1->setPen(red); int numPoints = 100; for (int x = 0; x <= numPoints; ++x) { series0->add(x, abs(sin(PI/50*x)*100)); series1->add(x, abs(cos(PI/50*x)*100)); } ChartWidget* chartWidget = new ChartWidget(&window); chartWidget->addSeries(series0); chartWidget->addSeries(series1); window.setCentralWidget(chartWidget); window.resize(400, 300); window.show(); return a.exec(); }