54 lines
1.9 KiB
C++
54 lines
1.9 KiB
C++
#include "frmpolarplot.h"
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#include "ui_frmpolarplot.h"
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#include "qdebug.h"
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frmPolarPlot::frmPolarPlot(QWidget *parent) : QWidget(parent), ui(new Ui::frmPolarPlot)
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{
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ui->setupUi(this);
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this->initForm();
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}
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frmPolarPlot::~frmPolarPlot()
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{
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delete ui;
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}
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void frmPolarPlot::initForm()
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{
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// Warning: Polar plots are a still a tech preview
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ui->customPlot->plotLayout()->clear();
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QCPPolarAxisAngular *angularAxis = new QCPPolarAxisAngular(ui->customPlot);
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ui->customPlot->plotLayout()->addElement(0, 0, angularAxis);
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/* This is how we could set the angular axis to show pi symbols instead of degree numbers:
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QSharedPointer<QCPAxisTickerPi> ticker(new QCPAxisTickerPi);
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ticker->setPiValue(180);
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ticker->setTickCount(8);
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polarAxis->setTicker(ticker);
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*/
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ui->customPlot->setInteractions(QCP::iRangeDrag | QCP::iRangeZoom);
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angularAxis->setRangeDrag(false);
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angularAxis->setTickLabelMode(QCPPolarAxisAngular::lmUpright);
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angularAxis->radialAxis()->setTickLabelMode(QCPPolarAxisRadial::lmUpright);
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angularAxis->radialAxis()->setTickLabelRotation(0);
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angularAxis->radialAxis()->setAngle(45);
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angularAxis->grid()->setAngularPen(QPen(QColor(200, 200, 200), 0, Qt::SolidLine));
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angularAxis->grid()->setSubGridType(QCPPolarGrid::gtAll);
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QCPPolarGraph *g1 = new QCPPolarGraph(angularAxis, angularAxis->radialAxis());
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QCPPolarGraph *g2 = new QCPPolarGraph(angularAxis, angularAxis->radialAxis());
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g2->setPen(QPen(QColor(255, 150, 20)));
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g2->setBrush(QColor(255, 150, 20, 50));
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g1->setScatterStyle(QCPScatterStyle::ssDisc);
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for (int i = 0; i < 100; ++i) {
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g1->addData(i / 100.0 * 360.0, qSin(i / 100.0 * M_PI * 8) * 8 + 1);
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g2->addData(i / 100.0 * 360.0, qSin(i / 100.0 * M_PI * 6) * 2);
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}
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angularAxis->setRange(0, 360);
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angularAxis->radialAxis()->setRange(-10, 10);
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}
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