/usr/lib/python2.7/dist-packages/pyqtgraph/examples/MouseSelection.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 -*-
"""
Demonstrates selecting plot curves by mouse click
"""
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.plot()
win.setWindowTitle('pyqtgraph example: Plot data selection')
curves = [
pg.PlotCurveItem(y=np.sin(np.linspace(0, 20, 1000)), pen='r', clickable=True),
pg.PlotCurveItem(y=np.sin(np.linspace(1, 21, 1000)), pen='g', clickable=True),
pg.PlotCurveItem(y=np.sin(np.linspace(2, 22, 1000)), pen='b', clickable=True),
]
def plotClicked(curve):
global curves
for i,c in enumerate(curves):
if c is curve:
c.setPen('rgb'[i], width=3)
else:
c.setPen('rgb'[i], width=1)
for c in curves:
win.addItem(c)
c.sigClicked.connect(plotClicked)
## 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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