added image export

1 files changed, 9 insertions, 0 deletions

diff --git a/eitControl.py b/eitControl.py
index 0ea26a7..84864ae 100644
--- a/eitControl.py
+++ b/eitControl.py
@@ -1,6 +1,7 @@
 from pyqtgraph.Qt import QtGui, QtCore
 import pyqtgraph as pg
 from pyqtgraph.dockarea import *
+from pyqtgraph.exporters import ImageExporter
 
 import platform
 import argparse
@@ -121,6 +122,14 @@ class Experiment:
         except IOError:
             print('I/O error')
 
+        try:
+            ex = ImageExporter(self.channelGraph['adc0'])
+            ex.parameters()['width'] = 800
+            ex.parameters()['height'] = 600
+            ex.export("snapshot.png")
+        except ZeroDivisionError:
+            print("Early version (0.10.0) of PyQtGraph has bug in exporter. The image file is not generated.")
+
     def onTic(self,swp=None):
         start = datetime.now()
         if swp is None: