新增超级曲线图表

2021-12-10 20:34:18 +08:00
parent 1a2302c05d
commit e215d3989b
143 changed files with 120241 additions and 5 deletions
--- a/third/qcustomplotdemo/frmexample/frmscatterstyle.cpp
+++ b/third/qcustomplotdemo/frmexample/frmscatterstyle.cpp
@@ -0,0 +1,82 @@
+#include "frmscatterstyle.h"
+#include "ui_frmscatterstyle.h"
+#include "qmetaobject.h"
+#include "qdebug.h"
+
+frmScatterStyle::frmScatterStyle(QWidget *parent) : QWidget(parent), ui(new Ui::frmScatterStyle)
+{
+    ui->setupUi(this);
+    this->initForm();
+}
+
+frmScatterStyle::~frmScatterStyle()
+{
+    delete ui;
+}
+
+void frmScatterStyle::initForm()
+{
+    ui->customPlot->legend->setVisible(true);
+    ui->customPlot->legend->setFont(QFont("Helvetica", 9));
+    ui->customPlot->legend->setRowSpacing(-3);
+
+    QVector<QCPScatterStyle::ScatterShape> shapes;
+    shapes << QCPScatterStyle::ssCross;
+    shapes << QCPScatterStyle::ssPlus;
+    shapes << QCPScatterStyle::ssCircle;
+    shapes << QCPScatterStyle::ssDisc;
+    shapes << QCPScatterStyle::ssSquare;
+    shapes << QCPScatterStyle::ssDiamond;
+    shapes << QCPScatterStyle::ssStar;
+    shapes << QCPScatterStyle::ssTriangle;
+    shapes << QCPScatterStyle::ssTriangleInverted;
+    shapes << QCPScatterStyle::ssCrossSquare;
+    shapes << QCPScatterStyle::ssPlusSquare;
+    shapes << QCPScatterStyle::ssCrossCircle;
+    shapes << QCPScatterStyle::ssPlusCircle;
+    shapes << QCPScatterStyle::ssPeace;
+    shapes << QCPScatterStyle::ssCustom;
+
+    QPen pen;
+    // add graphs with different scatter styles:
+    for (int i = 0; i < shapes.size(); ++i) {
+        ui->customPlot->addGraph();
+        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));
+        // generate data:
+        QVector<double> x(10), y(10);
+        for (int k = 0; k < 10; ++k) {
+            x[k] = k / 10.0 * 4 * 3.14 + 0.01;
+            y[k] = 7 * qSin(x[k]) / x[k] + (shapes.size() - i) * 5;
+        }
+        ui->customPlot->graph()->setData(x, y);
+        ui->customPlot->graph()->rescaleAxes(true);
+        ui->customPlot->graph()->setPen(pen);
+
+        //枚举值转字符串
+        QMetaObject metaObject = QCPScatterStyle::staticMetaObject;
+        QMetaEnum metaEnum = metaObject.enumerator(metaObject.indexOfEnumerator("ScatterShape"));
+        QString name = metaEnum.valueToKey(shapes.at(i));
+        ui->customPlot->graph()->setName(name);
+
+        ui->customPlot->graph()->setLineStyle(QCPGraph::lsLine);
+        // set scatter style:
+        if (shapes.at(i) != QCPScatterStyle::ssCustom) {
+            ui->customPlot->graph()->setScatterStyle(QCPScatterStyle(shapes.at(i), 10));
+        } else {
+            QPainterPath customScatterPath;
+            for (int i = 0; i < 3; ++i) {
+                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);
+            }
+            ui->customPlot->graph()->setScatterStyle(QCPScatterStyle(customScatterPath, QPen(Qt::black, 0), QColor(40, 70, 255, 50), 10));
+        }
+    }
+    // set blank axis lines:
+    ui->customPlot->rescaleAxes();
+    ui->customPlot->xAxis->setTicks(false);
+    ui->customPlot->yAxis->setTicks(false);
+    ui->customPlot->xAxis->setTickLabels(false);
+    ui->customPlot->yAxis->setTickLabels(false);
+    // make top right axes clones of bottom left axes:
+    ui->customPlot->axisRect()->setupFullAxesBox();
+    ui->customPlot->setInteractions(QCP::iRangeDrag | QCP::iRangeZoom);
+}