我尝试将此Radar图形(see link)的代码集成到包含窗口小部件的GUI中。 我想绘制雷达图形,而不是将x和y绘制到窗口小部件中,但我无法解决这个问题。 想法是替换这段代码:
x = [2000,2001,2002,2003,2004]
y = [10,20,30,40,50]
self.axes.plot(x, y
使用上面链接中的代码。
在我的GUI后端的代码下面:
import sys
from PyQt5 import QtCore, QtGui, QtWidgets
from PyQt5.QtWidgets import QMainWindow, QApplication, QWidget, QSizePolicy
from matplotlib.backends.backend_qt5agg import FigureCanvasQTAgg as FigureCanvas
from matplotlib.backends.backend_qt5agg import NavigationToolbar2QT as NavigationToolbar
from matplotlib.figure import Figure
from front_end import Ui_MainWindow
class Graph_init(FigureCanvas):
def __init__(self, parent=None):
fig = Figure()
self.axes = fig.add_subplot(111)
self.compute_initial_figure()
FigureCanvas.__init__(self, fig)
self.setParent(parent)
FigureCanvas.setSizePolicy(self, QSizePolicy.Expanding, QSizePolicy.Expanding)
FigureCanvas.updateGeometry(self)
class Graph_populate(Graph_init):
def compute_initial_figure(self):
x = [2000,2001,2002,2003,2004]
y = [10,20,30,40,50]
self.axes.plot(x, y)
class GUI(QMainWindow, Ui_MainWindow):
def __init__(self, parent=None):
super(GUI, self).__init__(parent)
self.setupUi(self)
self.sc = Graph_populate(self.widget)
self.gridLayout.addWidget(self.sc, 0, 1, 1, 1)
if __name__ == '__main__':
app = QApplication(sys.argv)
prog = GUI()
prog.showMaximized()
sys.exit(app.exec_())
和前端:
from PyQt5 import QtCore, QtGui, QtWidgets
class Ui_MainWindow(object):
def setupUi(self, MainWindow):
MainWindow.setObjectName("MainWindow")
MainWindow.resize(595, 393)
self.centralwidget = QtWidgets.QWidget(MainWindow)
self.centralwidget.setObjectName("centralwidget")
self.gridLayout = QtWidgets.QGridLayout(self.centralwidget)
self.gridLayout.setObjectName("gridLayout")
self.pushButton = QtWidgets.QPushButton(self.centralwidget)
self.pushButton.setMaximumSize(QtCore.QSize(100, 16777215))
self.pushButton.setObjectName("pushButton")
self.gridLayout.addWidget(self.pushButton, 0, 0, 1, 1)
self.widget = QtWidgets.QWidget(self.centralwidget)
self.widget.setMinimumSize(QtCore.QSize(0, 200))
self.widget.setStyleSheet("background-color: rgb(255, 255, 255);")
self.widget.setObjectName("widget")
self.gridLayout.addWidget(self.widget, 0, 1, 1, 1)
MainWindow.setCentralWidget(self.centralwidget)
self.menubar = QtWidgets.QMenuBar(MainWindow)
self.menubar.setGeometry(QtCore.QRect(0, 0, 595, 21))
self.menubar.setObjectName("menubar")
MainWindow.setMenuBar(self.menubar)
self.statusbar = QtWidgets.QStatusBar(MainWindow)
self.statusbar.setObjectName("statusbar")
MainWindow.setStatusBar(self.statusbar)
self.retranslateUi(MainWindow)
QtCore.QMetaObject.connectSlotsByName(MainWindow)
def retranslateUi(self, MainWindow):
_translate = QtCore.QCoreApplication.translate
MainWindow.setWindowTitle(_translate("MainWindow", "MainWindow"))
self.pushButton.setText(_translate("MainWindow", "PushButton"))
if __name__ == "__main__":
import sys
app = QtWidgets.QApplication(sys.argv)
MainWindow = QtWidgets.QMainWindow()
ui = Ui_MainWindow()
ui.setupUi(MainWindow)
MainWindow.show()
sys.exit(app.exec_())
谢谢
答案 0 :(得分:1)
雷达类型图是带有极坐标投影的图形,因此在创建轴时必须激活该属性。
self.axes = fig.add_subplot(111, projection="polar")
使用绘图功能时,第一个参数是以弧度表示的角度,第二个参数是半径的长度。
class Graph_init(FigureCanvas):
def __init__(self, parent=None):
fig = Figure()
self.axes = fig.add_subplot(111, projection="polar")
self.compute_initial_figure()
FigureCanvas.__init__(self, fig)
self.setParent(parent)
FigureCanvas.setSizePolicy(self, QSizePolicy.Expanding, QSizePolicy.Expanding)
FigureCanvas.updateGeometry(self)
class Graph_populate(Graph_init):
def compute_initial_figure(self):
import math
r =[10, 20, 30, 40, 50]
theta = [0, 50, 90, 120, 180]
angles = [angle*math.pi/180 for angle in theta]
self.axes.plot(angles, r)