PyQt5+QtChart实现绘制极坐标图

PyQt5 QtChart绘制极坐标图 PyQt5 QtChart极坐标图 PyQt5 QtChart 2022-12-16 12:12:31 217人浏览安东尼

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摘要

目录散点极坐标图折线极坐标图曲线极坐标图区域极坐标图散点极坐标图 import sys import random import math from PyQt5.QtGui imp

散点极坐标图

import sys
import random
import math

from PyQt5.QtGui import *
from PyQt5.QtCore import *
from PyQt5.QtWidgets import *
from PyQt5.QtCore import Qt
from PyQt5.QtChart import QScatterSeries, QPolarChart, QChart, QChartView, QValueAxis

class MyPolarWindow(QWidget):
    def __init__(self, parent=None):
        super(MyPolarWindow, self).__init__(parent)

        # 创建图表
        polarChart = QPolarChart()
        chartView = QChartView()

        # 创建Series
        scatterSeries = QScatterSeries()

        # 添加数据
        for value in range(1, 50):
            scatterSeries.append(value, random.random()*10)
            #scatterSeries.append(QPointF(value, random.random()*10))
        
        scatterSeries.setMarkerSize(10)
        scatterSeries.setColor(Qt.red)
        scatterSeries.setBorderColor(Qt.yellow)
        scatterSeries.setMarkerShape(QScatterSeries.MarkerShapeCircle)  # 圆形标记
        # scatterSeries.setMarkerShape(QScatterSeries.MarkerShapeRectangle) # 方形标记        
        scatterSeries.setName("星位图")

        polarChart.addSeries(scatterSeries)
        polarChart.setContentsMargins(0, 0, 0, 0)
        polarChart.setTheme(QChart.ChartThemeBlueCerulean)
        # polarChart.createDefaultAxes()


        # 设置 角向轴
        angularAxis = QValueAxis()
        angularAxis.setTickCount(9)
        angularAxis.setLabelFORMat("%.2f")
        angularAxis.setShadesVisible(True)
        angularAxis.setShadesBrush(QBrush(QColor(230, 230, 255)))
        polarChart.addAxis(angularAxis, QPolarChart.PolarOrientationAngular)
        angularAxis.setRange(0, 20) # 必须设置范围，否则图表无法显示

        # 设置 径向轴
        radialAxis = QValueAxis()
        radialAxis.setTickCount(5)
        radialAxis.setLabelFormat("%d")
        polarChart.addAxis(radialAxis, QPolarChart.PolarOrientationRadial)
        radialAxis.setRange(0, 10)
        
        chartView.setChart(polarChart)
        chartView.setFocusPolicy(Qt.NoFocus)
        chartView.setRenderHint(QPainter.Antialiasing)

        vbox = QVBoxLayout()
        vbox.addWidget(chartView)
        self.setLayout(vbox)

        # polarChart.zoomOut()
        # polarChart.zoomIn()
        # polarChart.scroll(-1.0, 0)
        # polarChart.scroll(1.0, 0)
        # polarChart.scroll(0, 1.0)
        # polarChart.scroll(0, -1.0)

if __name__ == "__main__":
    app = QApplication(sys.argv)
    win = MyPolarWindow()
    win.show()
    sys.exit(app.exec_())

折线极坐标图

import sys
import random
import math

from PyQt5.QtGui import *
from PyQt5.QtCore import *
from PyQt5.QtWidgets import *
from PyQt5.QtCore import Qt
from PyQt5.QtChart import QLineSeries, QPolarChart, QChart, QChartView, QValueAxis

class MyPolarWindow(QWidget):
    def __init__(self, parent=None):
        super(MyPolarWindow, self).__init__(parent)
        self.setWindowTitle("散点极坐标图")
        # 创建图表
        polarChart = QPolarChart()
        chartView = QChartView()

        # 创建Series
        scatterSeries = QLineSeries()

        # 添加数据
        for value in range(1, 50):
            scatterSeries.append(value, random.random()*10)
            #scatterSeries.append(QPointF(value, random.random()*10))
        

        scatterSeries.setName("折线极坐标图")

        polarChart.addSeries(scatterSeries)
        polarChart.setContentsMargins(0, 0, 0, 0)
        polarChart.setTheme(QChart.ChartThemeBlueCerulean)
        # polarChart.createDefaultAxes()


        # 设置 角向轴
        angularAxis = QValueAxis()
        angularAxis.setTickCount(9)
        angularAxis.setLabelFormat("%.2f")
        angularAxis.setShadesVisible(True)
        angularAxis.setShadesBrush(QBrush(QColor(230, 230, 255)))
        polarChart.addAxis(angularAxis, QPolarChart.PolarOrientationAngular)
        angularAxis.setRange(0, 20) # 必须设置范围，否则图表无法显示

        # 设置 径向轴
        radialAxis = QValueAxis()
        radialAxis.setTickCount(5)
        radialAxis.setLabelFormat("%d")
        polarChart.addAxis(radialAxis, QPolarChart.PolarOrientationRadial)
        radialAxis.setRange(0, 10)
        
        chartView.setChart(polarChart)
        chartView.setFocusPolicy(Qt.NoFocus)
        chartView.setRenderHint(QPainter.Antialiasing)

        vbox = QVBoxLayout()
        vbox.addWidget(chartView)
        self.setLayout(vbox)

if __name__ == "__main__":
    app = QApplication(sys.argv)
    win = MyPolarWindow()
    win.show()
    sys.exit(app.exec_())

曲线极坐标图

import sys
import random
import math

from PyQt5.QtGui import *
from PyQt5.QtCore import *
from PyQt5.QtWidgets import *
from PyQt5.QtCore import Qt
from PyQt5.QtChart import QSplineSeries, QPolarChart, QChart, QChartView, QValueAxis

class MyPolarWindow(QWidget):
    def __init__(self, parent=None):
        super(MyPolarWindow, self).__init__(parent)
        self.setWindowTitle("散点极坐标图")
        # 创建图表
        polarChart = QPolarChart()
        chartView = QChartView()

        # 创建Series
        scatterSeries = QSplineSeries()

        # 添加数据
        for value in range(1, 50):
            scatterSeries.append(value, random.random()*10)
            #scatterSeries.append(QPointF(value, random.random()*10))
        

        scatterSeries.setName("曲线极坐标图")

        polarChart.addSeries(scatterSeries)
        polarChart.setContentsMargins(0, 0, 0, 0)
        polarChart.setTheme(QChart.ChartThemeBlueCerulean)
        # polarChart.createDefaultAxes()


        # 设置 角向轴
        angularAxis = QValueAxis()
        angularAxis.setTickCount(9)
        angularAxis.setLabelFormat("%.2f")
        angularAxis.setShadesVisible(True)
        angularAxis.setShadesBrush(QBrush(QColor(230, 230, 255)))
        polarChart.addAxis(angularAxis, QPolarChart.PolarOrientationAngular)
        angularAxis.setRange(0, 20) # 必须设置范围，否则图表无法显示

        # 设置 径向轴
        radialAxis = QValueAxis()
        radialAxis.setTickCount(5)
        radialAxis.setLabelFormat("%d")
        polarChart.addAxis(radialAxis, QPolarChart.PolarOrientationRadial)
        radialAxis.setRange(0, 10)
        
        chartView.setChart(polarChart)
        chartView.setFocusPolicy(Qt.NoFocus)
        chartView.setRenderHint(QPainter.Antialiasing)

        vbox = QVBoxLayout()
        vbox.addWidget(chartView)
        self.setLayout(vbox)

if __name__ == "__main__":
    app = QApplication(sys.argv)
    win = MyPolarWindow()
    win.show()
    sys.exit(app.exec_())

区域极坐标图

import sys
import random
import math

from PyQt5.QtGui import *
from PyQt5.QtCore import *
from PyQt5.QtWidgets import *
from PyQt5.QtCore import Qt
from PyQt5.QtChart import QLineSeries, QAreaSeries, QPolarChart, QChart, QChartView, QValueAxis

class MyPolarWindow(QWidget):
    def __init__(self, parent=None):
        super(MyPolarWindow, self).__init__(parent)
        self.setWindowTitle("区域极坐标图")
        # 创建图表
        polarChart = QPolarChart()
        chartView = QChartView()

         # 创建Series
        series0 = QLineSeries()
        series1 = QLineSeries()

        # 添加数据
        series0 << QPointF(1, 5) << QPointF(3, 7) << QPointF(7, 6) << QPointF(9, 7) \
        << QPointF(12, 6) << QPointF(16, 7) << QPointF(18, 5)
        series1 << QPointF(1, 3) << QPointF(3, 4) << QPointF(7, 3) << QPointF(8, 2) \
        << QPointF(12, 3) << QPointF(16, 4) << QPointF(18, 3)

        # 创建区域图
        area = QAreaSeries(series0, series1)
        area.setName("折线极坐标图")

        polarChart.addSeries(area)
        polarChart.setContentsMargins(0, 0, 0, 0)
        polarChart.setTheme(QChart.ChartThemeBlueCerulean)
        # polarChart.createDefaultAxes()


        # 设置 角向轴
        angularAxis = QValueAxis()
        angularAxis.setTickCount(9)
        angularAxis.setLabelFormat("%.2f")
        angularAxis.setShadesVisible(True)
        angularAxis.setShadesBrush(QBrush(QColor(230, 230, 255)))
        polarChart.addAxis(angularAxis, QPolarChart.PolarOrientationAngular)
        angularAxis.setRange(0, 50) # 必须设置范围，否则图表无法显示

        # 设置 径向轴
        radialAxis = QValueAxis()
        radialAxis.setTickCount(5)
        radialAxis.setLabelFormat("%d")
        polarChart.addAxis(radialAxis, QPolarChart.PolarOrientationRadial)
        radialAxis.setRange(0, 20)
        
        chartView.setChart(polarChart)
        chartView.setFocusPolicy(Qt.NoFocus)
        chartView.setRenderHint(QPainter.Antialiasing)

        vbox = QVBoxLayout()
        vbox.addWidget(chartView)
        self.setLayout(vbox)

if __name__ == "__main__":
    app = QApplication(sys.argv)
    win = MyPolarWindow()
    win.show()
    sys.exit(app.exec_())