我做了一个交互式绘图,你点击它来绘制点。我想把它添加到Pyqt5GUI中,但是我不知道如何将所说的绘图链接到我在GUI中创建的画布。你知道吗
from PyQt5 import QtWidgets
from matplotlib.backends.backend_qt5agg import FigureCanvasQTAgg as FigureCanvas
from matplotlib.pyplot import Figure
import matplotlib.pyplot as plt
class MyWindow(QtWidgets.QMainWindow):
def __init__(self):
super(MyWindow, self).__init__()
central = QtWidgets.QWidget(self)
self.VL = QtWidgets.QVBoxLayout(central)
self.canvas = FigureCanvas(Figure())
self.VL.addWidget(self.canvas)
self.setWindowTitle("Click to Plot")
self.setCentralWidget(central)
self.canvas = FigureCanvas(Figure())
self.VL.addWidget(self.canvas)
self.ax1f1 = self.canvas.figure.subplots()
self.ax1f1.set_ylim([0, 100])
self.ax1f1.set_xlim([0, 0.5])
class LineBuilder:
def __init__(self, line):
self.line = line
self.xs = list(line.get_xdata())
self.ys = list(line.get_ydata())
self.cid = line.figure.canvas.mpl_connect('button_press_event', self.click)
def click(self, event):
if event.inaxes != self.line.axes:
return
self.xs.append(event.xdata)
self.ys.append(event.ydata)
self.line.set_data(self.xs, self.ys)
self.line.figure.canvas.draw()
fig = plt.figure()
ax = fig.add_subplot(111)
ax.set_title('Click to add a point')
line, = ax.plot([], [], 'o') # empty point
linebuilder = LineBuilder(line)
plt.show()
if __name__ == "__main__":
import sys
app = QtWidgets.QApplication(sys.argv)
window = MyWindow()
window.show()
sys.exit(app.exec_())
我没有得到一个错误,图形显示良好,但不是在图形用户界面内。你知道吗
我不明白为什么您要创建几个图形,而您几乎只需要创建一个图形,将其添加到画布中,然后将该图形用于其他代码
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