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PyQt5+QtChart實(shí)現(xiàn)繪制極坐標(biāo)圖_python

作者：SongYuLong的博客 ? 更新時(shí)間： 2023-01-15 編程語(yǔ)言

散點(diǎn)極坐標(biāo)圖

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)

        # 創(chuàng)建圖表
        polarChart = QPolarChart()
        chartView = QChartView()

        # 創(chuàng)建Series
        scatterSeries = QScatterSeries()

        # 添加數(shù)據(jù)
        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)  # 圓形標(biāo)記
        # scatterSeries.setMarkerShape(QScatterSeries.MarkerShapeRectangle) # 方形標(biāo)記        
        scatterSeries.setName("星位圖")

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


        # 設(shè)置 角向軸
        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) # 必須設(shè)置范圍，否則圖表無(wú)法顯示

        # 設(shè)置 徑向軸
        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_())

折線(xiàn)極坐標(biāo)圖

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("散點(diǎn)極坐標(biāo)圖")
        # 創(chuàng)建圖表
        polarChart = QPolarChart()
        chartView = QChartView()

        # 創(chuàng)建Series
        scatterSeries = QLineSeries()

        # 添加數(shù)據(jù)
        for value in range(1, 50):
            scatterSeries.append(value, random.random()*10)
            #scatterSeries.append(QPointF(value, random.random()*10))
        

        scatterSeries.setName("折線(xiàn)極坐標(biāo)圖")

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


        # 設(shè)置 角向軸
        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) # 必須設(shè)置范圍，否則圖表無(wú)法顯示

        # 設(shè)置 徑向軸
        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_())

曲線(xiàn)極坐標(biāo)圖

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("散點(diǎn)極坐標(biāo)圖")
        # 創(chuàng)建圖表
        polarChart = QPolarChart()
        chartView = QChartView()

        # 創(chuàng)建Series
        scatterSeries = QSplineSeries()

        # 添加數(shù)據(jù)
        for value in range(1, 50):
            scatterSeries.append(value, random.random()*10)
            #scatterSeries.append(QPointF(value, random.random()*10))
        

        scatterSeries.setName("曲線(xiàn)極坐標(biāo)圖")

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


        # 設(shè)置 角向軸
        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) # 必須設(shè)置范圍，否則圖表無(wú)法顯示

        # 設(shè)置 徑向軸
        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_())

區(qū)域極坐標(biāo)圖

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("區(qū)域極坐標(biāo)圖")
        # 創(chuàng)建圖表
        polarChart = QPolarChart()
        chartView = QChartView()

         # 創(chuàng)建Series
        series0 = QLineSeries()
        series1 = QLineSeries()

        # 添加數(shù)據(jù)
        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)

        # 創(chuàng)建區(qū)域圖
        area = QAreaSeries(series0, series1)
        area.setName("折線(xiàn)極坐標(biāo)圖")

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


        # 設(shè)置 角向軸
        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) # 必須設(shè)置范圍，否則圖表無(wú)法顯示

        # 設(shè)置 徑向軸
        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_())

原文鏈接：https://blog.csdn.net/songyulong8888/article/details/128331500

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