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soft.py
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soft.py
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import sys
import time
import numpy as np
from matplotlib.backends.qt_compat import QtCore, QtWidgets, is_pyqt5
if is_pyqt5():
from matplotlib.backends.backend_qt5agg import (
FigureCanvas, NavigationToolbar2QT as NavigationToolbar)
else:
from matplotlib.backends.backend_qt4agg import (
FigureCanvas, NavigationToolbar2QT as NavigationToolbar)
from matplotlib.figure import Figure
class ApplicationWindow(QtWidgets.QMainWindow):
def __init__(self):
super().__init__()
self._main = QtWidgets.QWidget()
self.setCentralWidget(self._main)
layout = QtWidgets.QVBoxLayout(self._main)
static_canvas = FigureCanvas(Figure(figsize=(5, 3)))
layout.addWidget(static_canvas)
self.addToolBar(NavigationToolbar(static_canvas, self))
dynamic_canvas = FigureCanvas(Figure(figsize=(5, 3)))
layout.addWidget(dynamic_canvas)
self.addToolBar(QtCore.Qt.BottomToolBarArea,
NavigationToolbar(dynamic_canvas, self))
self._static_ax = static_canvas.figure.subplots()
t = np.linspace(0, 10, 501)
self._static_ax.plot(t, np.tan(t), ".")
self._dynamic_ax = dynamic_canvas.figure.subplots()
self._timer = dynamic_canvas.new_timer(
100, [(self._update_canvas, (), {})])
self._timer.start()
def _update_canvas(self):
self._dynamic_ax.clear()
t = np.linspace(0, 10, 101)
self._dynamic_ax.plot(t, np.sin(t + time.time()))
self._dynamic_ax.figure.canvas.draw()
if __name__ == "__main__":
qapp = QtWidgets.QApplication(sys.argv)
app = ApplicationWindow()
app.show()
qapp.exec_()