2025-03-10 09:35:07 +00:00
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#include <QHBoxLayout>
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#include <QRandomGenerator>
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#include "centralwidget.h"
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2025-03-17 13:16:16 +00:00
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#include "filemanager.h"
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2025-03-10 09:35:07 +00:00
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2025-03-12 09:29:52 +00:00
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CentralWidget::CentralWidget(QWidget *parent)
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: QWidget(parent),
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_customPlot(new QCustomPlot)
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2025-03-10 09:35:07 +00:00
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{
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setStyleSheet("background-color: lightgray;");
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resize(888, 666);
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2025-03-12 09:29:52 +00:00
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QHBoxLayout *layout = new QHBoxLayout();
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2025-03-10 09:35:07 +00:00
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layout->addWidget(_customPlot);
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this->setLayout(layout);
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#if 0
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// init data
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QVector<double> x(101), y(101);
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for (int i = 0; i < 101; i++) {
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x[i] = i / 50.0 - 1;//设置x的范围为-1~1
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y[i] = x[i] * x[i];
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}
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_customPlot->graph(0)->setData(x, y);
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//设置坐标轴标签
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_customPlot->xAxis->setLabel("x coordinates");
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_customPlot->yAxis->setLabel("y coordinates");
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//设置坐标轴范围,以便我们可以看到全部数据
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_customPlot->xAxis->setRange(0, 1);
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_customPlot->yAxis->setRange(0, 100);
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_customPlot->replot();
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#endif
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// startTimer(1000);
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2025-03-10 09:35:07 +00:00
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}
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2025-03-12 09:29:52 +00:00
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void CentralWidget::slotModeModify(const Global::Mode mode)
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{
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if (Global::Mode::ExperimentStart == mode)
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{
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// 创建画布,设置画布上的点数据
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_customPlot->addGraph();
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// 设置坐标轴标签
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_customPlot->xAxis->setLabel("Temp/℃");
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_customPlot->yAxis->setLabel("DSC/mW");
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// 设置坐标轴范围,以便我们可以看到全部数据
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_customPlot->xAxis->setRange(0, 400);
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_customPlot->yAxis->setRange(-20, 20);
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}
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else if (Global::Mode::Analysis == mode)
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{
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}
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}
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void CentralWidget::slotRevCommonData(const CommonData &cd)
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{
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qDebug()<<"slotRevCommonData";
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_customPlot->graph(0)->addData(cd.sample_temp, cd.dsc); // 添加数据到曲线
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_customPlot->replot();
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//
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FileManager::writeExperimentFile(cd);
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}
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void CentralWidget::timerEvent(QTimerEvent *event)
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{
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// key的单位是秒
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double key = QDateTime::currentDateTime().toMSecsSinceEpoch() / 1000.0;
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// 添加数据
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// 使用随机数产生一条曲线
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// double value0 = realDataI();
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double value0 = QRandomGenerator::global()->bounded(10.123);
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_customPlot->graph(0)->addData(key, value0); // 添加数据到曲线
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2025-03-12 09:29:52 +00:00
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// 删除8秒之前的数据。这里的8要和下面设置横坐标宽度的8配合起来
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// 才能起到想要的效果,可以调整这两个值,观察显示的效果。
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_customPlot->graph(0)->data()->remove(key - 80);
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// 自动设定graph(1)曲线y轴的范围,如果不设定,有可能看不到图像
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// 也可以用ui->customPlot->yAxis->setRange(up,low)手动设定y轴范围
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_customPlot->graph(0)->rescaleValueAxis(true);
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2025-03-12 09:29:52 +00:00
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// 这里的8,是指横坐标时间宽度为8秒,如果想要横坐标显示更多的时间
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// 就把8调整为比较大到值,比如要显示60秒,那就改成60。
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// 这时removeDataBefore(key-8)中的8也要改成60,否则曲线显示不完整。
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2025-03-12 09:29:52 +00:00
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_customPlot->yAxis->setRange(0, 20); // 设定x轴的范围
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_customPlot->xAxis->setRange(key + 0.25, 80, Qt::AlignRight); // 设定x轴的范围
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_customPlot->replot();
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}
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