gistfile1.py

import pyqtgraph as pg
from pyqtgraph.Qt import QtGui, QtCore
pg.mkQApp()

## Create window with two ImageView widgets
win = QtGui.QMainWindow()
win.resize(800,800)
win.setWindowTitle('pyqtgraph example: DataSlicing')
cw = QtGui.QWidget()
win.setCentralWidget(cw)
l = QtGui.QGridLayout()
l.setRowStretch(0, 10)
l.setRowStretch(1, 2)
l.setRowStretch(2, 2)
cw.setLayout(l)
 
dummy_plot=  pg.PlotItem(title='Pilatus image')
 
dummy_plot.enableAutoRange()
 
imv1 = pg.ImageView(view=dummy_plot )
 
 
# imv1 = pg.ImageView()
pw = pg.PlotWidget()
pw2 = pg.PlotWidget()
pw3 = pg.PlotWidget()
 
# imv2 = pg.ImageView()
l.addWidget(imv1, 0, 0)
l.addWidget(pw, 1, 0)
l.addWidget(pw2, 2, 0)
 
win.show()
 
roi = pg.LineSegmentROI([[10, 64], [120,64]], pen='r')
imv1.addItem(roi)
 
data = pg.np.random.normal(size=(100,100,100))
time = pg.np.linspace(0, 10, 100)
 
def update():
    global data, imv1, pw, roi
    pw.clear()
    pw2.clear()
    d2 = roi.getArrayRegion(data, imv1.imageItem, axes=(1,2))
    pw.plot(d2[imv1.currentIndex], pen=roi.pen)
    pw2.plot(d2[1], pen=[5,8])

roi.sigRegionChanged.connect(update)
imv1.sigTimeChanged.connect(update)
 
imv1.setImage(data, xvals=time)#, axes=  {'t':2, 'x':0, 'y':1, 'c':3},transform=)
 
update()