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#include "chart.h"
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Chart::Chart(QCustomPlot* customPlot)
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{
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this->customPlot = customPlot;
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}
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//绘制折线图
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void Chart::plotPolyline(QVector<double> xData, QVector<double> yData)
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{
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QCPGraph* graph = customPlot->addGraph();
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graph->setPen(QPen(Qt::blue,2));
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graph->setBrush(QBrush(QColor(0,0,255,20))); //折线下面积
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//graph->setScatterStyle(QCPScatterStyle(QCPScatterStyle::ssCircle,QPen(Qt::blue,2),QColor(Qt::white),8));
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// smoothType:折线图=-1 平滑算法1=0 平滑算法2=1
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graph->setSmooth(true);
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customPlot->xAxis2->setVisible(true);
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customPlot->xAxis2->setTickLabels(false);
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customPlot->yAxis2->setVisible(true);
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customPlot->yAxis2->setTickLabels(false);
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customPlot->xAxis->setAxisFormat("m");
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customPlot->yAxis->setAxisFormat("m");
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//设置图例
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customPlot->legend->setVisible(true);
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customPlot->legend->setBrush(QColor(255,255,255,0));//设置图例背景
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customPlot->legend->setBorderPen(Qt::NoPen); //设置边框隐藏
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customPlot->graph(0)->setName(u8"高度余量");//设置名称
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graph->setData(xData,yData);
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graph->rescaleAxes(true);
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}
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