mirror of
https://github.com/jkriege2/JKQtPlotter.git
synced 2024-11-16 10:35:49 +08:00
34 lines
830 B
C++
34 lines
830 B
C++
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#include "TestWidgetEmptyPlot.h"
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#include <QDebug>
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#include <QDate>
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#include <QDateTime>
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#include <QApplication>
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TestWidgetEmptyPlot::TestWidgetEmptyPlot(QWidget *parent) :
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QWidget(parent)
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{
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#define NEMPTY 500
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JKQtPlotter* plotEmpty=new JKQtPlotter(true, this);
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JKQTPxyLineGraph* efunc=new JKQTPxyLineGraph(plotEmpty->get_plotter());
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double xef[NEMPTY], efy[NEMPTY];
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for (int i=0; i<NEMPTY; i++) {
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xef[i]=i;
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efy[i]=double(i%5)*1e-308;
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}
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efunc->set_xColumn(plotEmpty->getDatastore()->addCopiedColumn(xef, NEMPTY, "x"));
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efunc->set_yColumn(plotEmpty->getDatastore()->addCopiedColumn(efy, NEMPTY, "y"));
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plotEmpty->addGraph(efunc);
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plotEmpty->getYAxis()->set_logAxis(true);
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plotEmpty->zoomToFit();
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plotEmpty->setY(0,0);
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}
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