PyQt5+QtChart實(shí)現(xiàn)繪制極坐標(biāo)圖
更新時(shí)間:2022年12月16日 09:56:04 作者:SongYuLong的博客
QChart是一個(gè)QGraphicScene中可以顯示的QGraphicsWidget。本文將利用QtChart實(shí)現(xiàn)極坐標(biāo)圖的繪制,文中的示例代碼講解詳細(xì),感興趣的小伙伴可以了解一下
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_())
以上就是PyQt5+QtChart實(shí)現(xiàn)繪制極坐標(biāo)圖的詳細(xì)內(nèi)容,更多關(guān)于PyQt5 QtChart極坐標(biāo)圖的資料請(qǐng)關(guān)注腳本之家其它相關(guān)文章!
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