2021-12-08 09:44:30 +00:00
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#include "frmscatterstyle.h"
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#include "ui_frmscatterstyle.h"
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2021-12-10 12:23:28 +00:00
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#include "qmetaobject.h"
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2021-12-08 09:44:30 +00:00
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#include "qdebug.h"
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frmScatterStyle::frmScatterStyle(QWidget *parent) : QWidget(parent), ui(new Ui::frmScatterStyle)
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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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frmScatterStyle::~frmScatterStyle()
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{
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delete ui;
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}
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void frmScatterStyle::initForm()
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{
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ui->customPlot->legend->setVisible(true);
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ui->customPlot->legend->setFont(QFont("Helvetica", 9));
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ui->customPlot->legend->setRowSpacing(-3);
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2021-12-10 12:23:28 +00:00
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2021-12-08 09:44:30 +00:00
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QVector<QCPScatterStyle::ScatterShape> shapes;
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shapes << QCPScatterStyle::ssCross;
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shapes << QCPScatterStyle::ssPlus;
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shapes << QCPScatterStyle::ssCircle;
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shapes << QCPScatterStyle::ssDisc;
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shapes << QCPScatterStyle::ssSquare;
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shapes << QCPScatterStyle::ssDiamond;
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shapes << QCPScatterStyle::ssStar;
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shapes << QCPScatterStyle::ssTriangle;
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shapes << QCPScatterStyle::ssTriangleInverted;
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shapes << QCPScatterStyle::ssCrossSquare;
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shapes << QCPScatterStyle::ssPlusSquare;
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shapes << QCPScatterStyle::ssCrossCircle;
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shapes << QCPScatterStyle::ssPlusCircle;
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shapes << QCPScatterStyle::ssPeace;
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shapes << QCPScatterStyle::ssCustom;
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QPen pen;
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// add graphs with different scatter styles:
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for (int i = 0; i < shapes.size(); ++i) {
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ui->customPlot->addGraph();
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pen.setColor(QColor(qSin(i * 0.3) * 100 + 100, qSin(i * 0.6 + 0.7) * 100 + 100, qSin(i * 0.4 + 0.6) * 100 + 100));
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// generate data:
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QVector<double> x(10), y(10);
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for (int k = 0; k < 10; ++k) {
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x[k] = k / 10.0 * 4 * 3.14 + 0.01;
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y[k] = 7 * qSin(x[k]) / x[k] + (shapes.size() - i) * 5;
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}
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ui->customPlot->graph()->setData(x, y);
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ui->customPlot->graph()->rescaleAxes(true);
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ui->customPlot->graph()->setPen(pen);
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2021-12-10 12:23:28 +00:00
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//枚举值转字符串
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QMetaObject metaObject = QCPScatterStyle::staticMetaObject;
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QMetaEnum metaEnum = metaObject.enumerator(metaObject.indexOfEnumerator("ScatterShape"));
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QString name = metaEnum.valueToKey(shapes.at(i));
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ui->customPlot->graph()->setName(name);
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2021-12-08 09:44:30 +00:00
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ui->customPlot->graph()->setLineStyle(QCPGraph::lsLine);
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// set scatter style:
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if (shapes.at(i) != QCPScatterStyle::ssCustom) {
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ui->customPlot->graph()->setScatterStyle(QCPScatterStyle(shapes.at(i), 10));
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} else {
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QPainterPath customScatterPath;
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for (int i = 0; i < 3; ++i) {
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customScatterPath.cubicTo(qCos(2 * M_PI * i / 3.0) * 9, qSin(2 * M_PI * i / 3.0) * 9, qCos(2 * M_PI * (i + 0.9) / 3.0) * 9, qSin(2 * M_PI * (i + 0.9) / 3.0) * 9, 0, 0);
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}
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ui->customPlot->graph()->setScatterStyle(QCPScatterStyle(customScatterPath, QPen(Qt::black, 0), QColor(40, 70, 255, 50), 10));
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}
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}
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2022-05-18 09:38:40 +00:00
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2021-12-08 09:44:30 +00:00
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// set blank axis lines:
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ui->customPlot->rescaleAxes();
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ui->customPlot->xAxis->setTicks(false);
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ui->customPlot->yAxis->setTicks(false);
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ui->customPlot->xAxis->setTickLabels(false);
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ui->customPlot->yAxis->setTickLabels(false);
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// make top right axes clones of bottom left axes:
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ui->customPlot->axisRect()->setupFullAxesBox();
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ui->customPlot->setInteractions(QCP::iRangeDrag | QCP::iRangeZoom);
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}
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