Qcharts 柱状图

最新推荐文章于 2025-04-22 22:55:15 发布

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最新推荐文章于 2025-04-22 22:55:15 发布

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文章标签： QT 柱状图

本文链接：https://blog.youkuaiyun.com/weixin_34819401/article/details/80195452

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if (ui.widget_5->isVisible() == true)
	{			
		snrseriesgps = new QBarSeries();
		snrseriesbds = new QBarSeries();
		chartsnr = new QChart();
		chartsnr1 = new QChart();

		QBarSet *set0 = new  QBarSet(QStringLiteral("GPS信噪比"));
		QBarSet *set1 = new QBarSet(QStringLiteral("BDS信噪比"));
		QBarCategoryAxis *axis0 = new QBarCategoryAxis();
		QBarCategoryAxis *axis1 = new QBarCategoryAxis();
		QStringList categories0, categories1, categoriesy;
		for (int i = 0; i < MAXPRNGPS; i++)
		{
			if (snr[i] != 0)
			{
				set0->append(snr[i]);
				categories0.append(QString::number(i + 1));
			}
		}
		for (int i = MAXPRNGPS; i < MAXPRNGPS + MAXPRNCMP; i++)
		{
			if (snr[i] != 0)
			{
				set1->append(snr[i]);
				categories1.append(QString::number(i - 31));
			}
		}

		axis0->append(categories0);
		snrseriesgps->append(set0);
		QColor gpscolor(32, 159, 223);
		set0->setColor(gpscolor);
		chartsnr->addSeries(snrseriesgps);
		chartsnr->createDefaultAxes();
		chartsnr->setAxisX(axis0, snrseriesgps);
		chartsnr->axisY()->setRange(30, 55);
		ui.widget_5->setChart(chartsnr);

		QColor bdscolor(253, 196, 21);
		set1->setColor(bdscolor);		
		snrseriesbds->append(set1);
		axis1->append(categories1);
		chartsnr1->addSeries(snrseriesbds);
		chartsnr1->createDefaultAxes();
		chartsnr1->setAxisX(axis1, snrseriesbds);
		chartsnr1->axisY()->setRange(30, 55);
		ui.widget_6->setChart(chartsnr1);
	}