2010-03-22 06:21:56 +00:00
|
|
|
# -*- coding: utf-8 -*-
|
|
|
|
## Add path to library (just for examples; you do not need this)
|
|
|
|
import sys, os
|
2011-04-05 16:53:05 +00:00
|
|
|
sys.path.insert(0, os.path.join(os.path.dirname(__file__), '..', '..'))
|
2010-03-22 06:21:56 +00:00
|
|
|
|
2011-04-05 14:35:50 +00:00
|
|
|
|
2010-03-22 06:21:56 +00:00
|
|
|
from PyQt4 import QtCore, QtGui
|
2011-04-05 14:35:50 +00:00
|
|
|
import numpy as np
|
|
|
|
import pyqtgraph as pg
|
2010-03-22 06:21:56 +00:00
|
|
|
|
|
|
|
app = QtGui.QApplication([])
|
|
|
|
|
|
|
|
## Create window with GraphicsView widget
|
|
|
|
win = QtGui.QMainWindow()
|
2011-06-14 23:47:52 +00:00
|
|
|
win.resize(800,800)
|
2011-04-05 14:35:50 +00:00
|
|
|
view = pg.GraphicsView()
|
2010-11-22 03:50:04 +00:00
|
|
|
#view.useOpenGL(True)
|
2010-03-22 06:21:56 +00:00
|
|
|
win.setCentralWidget(view)
|
|
|
|
win.show()
|
|
|
|
|
|
|
|
## Allow mouse scale/pan
|
|
|
|
view.enableMouse()
|
|
|
|
|
|
|
|
## ..But lock the aspect ratio
|
|
|
|
view.setAspectLocked(True)
|
|
|
|
|
|
|
|
## Create image item
|
2011-04-05 14:35:50 +00:00
|
|
|
img = pg.ImageItem()
|
2010-03-22 06:21:56 +00:00
|
|
|
view.scene().addItem(img)
|
|
|
|
|
|
|
|
## Set initial view bounds
|
|
|
|
view.setRange(QtCore.QRectF(0, 0, 200, 200))
|
|
|
|
|
2011-04-05 14:35:50 +00:00
|
|
|
## Create random image
|
|
|
|
data = np.random.normal(size=(50, 200, 200))
|
|
|
|
i = 0
|
|
|
|
|
2010-03-22 06:21:56 +00:00
|
|
|
def updateData():
|
2011-04-05 14:35:50 +00:00
|
|
|
global img, data, i
|
2010-03-22 06:21:56 +00:00
|
|
|
|
|
|
|
## Display the data
|
2011-04-05 14:35:50 +00:00
|
|
|
img.updateImage(data[i])
|
|
|
|
i = (i+1) % data.shape[0]
|
2011-06-14 23:47:52 +00:00
|
|
|
|
|
|
|
QtCore.QTimer.singleShot(20, updateData)
|
2010-03-22 06:21:56 +00:00
|
|
|
|
|
|
|
|
|
|
|
# update image data every 20ms (or so)
|
2011-06-14 23:47:52 +00:00
|
|
|
#t = QtCore.QTimer()
|
|
|
|
#t.timeout.connect(updateData)
|
|
|
|
#t.start(20)
|
|
|
|
updateData()
|
|
|
|
|
|
|
|
|
|
|
|
def doWork():
|
|
|
|
while True:
|
|
|
|
x = '.'.join(['%f'%i for i in range(100)]) ## some work for the thread to do
|
|
|
|
if time is None: ## main thread has started cleaning up, bail out now
|
|
|
|
break
|
|
|
|
time.sleep(1e-3)
|
|
|
|
|
|
|
|
import thread
|
|
|
|
thread.start_new_thread(doWork, ())
|
|
|
|
|
2010-03-22 06:21:56 +00:00
|
|
|
|
2011-04-05 14:35:50 +00:00
|
|
|
## Start Qt event loop unless running in interactive mode.
|
|
|
|
if sys.flags.interactive != 1:
|
|
|
|
app.exec_()
|