PyQt5+QtChart實現(xiàn)繪制極坐標(biāo)圖
更新時間:2022年12月16日 09:56:04 作者:SongYuLong的博客
QChart是一個QGraphicScene中可以顯示的QGraphicsWidget。本文將利用QtChart實現(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)圖的資料請關(guān)注腳本之家其它相關(guān)文章!
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