/usr/lib/python2.7/dist-packages/pyqtgraph/examples/PanningPlot.py is in python-pyqtgraph 0.9.10-5.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 | # -*- coding: utf-8 -*-
"""
Shows use of PlotWidget to display panning data
"""
import initExample ## Add path to library (just for examples; you do not need this)
import pyqtgraph as pg
from pyqtgraph.Qt import QtCore, QtGui
import numpy as np
win = pg.GraphicsWindow()
win.setWindowTitle('pyqtgraph example: PanningPlot')
plt = win.addPlot()
#plt.setAutoVisibleOnly(y=True)
curve = plt.plot()
data = []
count = 0
def update():
global data, curve, count
data.append(np.random.normal(size=10) + np.sin(count * 0.1) * 5)
if len(data) > 100:
data.pop(0)
curve.setData(np.hstack(data))
count += 1
timer = QtCore.QTimer()
timer.timeout.connect(update)
timer.start(50)
## Start Qt event loop unless running in interactive mode or using pyside.
if __name__ == '__main__':
import sys
if (sys.flags.interactive != 1) or not hasattr(QtCore, 'PYQT_VERSION'):
QtGui.QApplication.instance().exec_()
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