from __future__ import print_function from __future__ import division import time import numpy as np from pyqtgraph.Qt import QtGui import pyqtgraph as pg class GUI: plot = [] curve = [] def __init__(self, width=800, height=450, title=''): self.app = QtGui.QApplication([]) self.win = pg.GraphicsWindow(title) self.win.resize(width, height) self.win.setWindowTitle(title) def add_plot(self, title): self.plot.append(self.win.addPlot(title=title)) self.curve.append([]) def add_curve(self, plot_index, pen=(255, 255, 255)): self.curve[plot_index].append(self.plot[plot_index].plot(pen=pen)) if __name__ == '__main__': N = 48 gui = GUI(title='Test') # Sin plot gui.add_plot(title='Sin Plot') gui.add_curve(plot_index=0) gui.win.nextRow() # Cos plot gui.add_plot(title='Cos Plot') gui.add_curve(plot_index=1) while True: t = time.time() x = np.linspace(t, 2 * np.pi + t, N) gui.curve[0][0].setData(x=x, y=np.sin(x)) gui.curve[1][0].setData(x=x, y=np.cos(x)) gui.app.processEvents() time.sleep(1.0 / 30.0)