From 4d6d07e94bceaf8c77cbe1adfb9a1b1afd5280bb Mon Sep 17 00:00:00 2001
From: "Eugeniy E. Mikhailov" <evgmik@gmail.com>
Date: Wed, 16 Jun 2021 09:18:38 -0400
Subject: do not replot if we have no new data

---
 eitControl.py | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'eitControl.py')

diff --git a/eitControl.py b/eitControl.py
index 73f83a4..d0e1c2e 100644
--- a/eitControl.py
+++ b/eitControl.py
@@ -270,6 +270,7 @@ class Experiment:
         self.dataPlot.setLabel('bottom', 'Frequency offset', units='Hz')
         self.dataPlot.setLabel('left', 'Signal', units='V')
 
+        self.data['newData'] = True
         stop = datetime.now()
         runTime = (stop-start).seconds + float((stop-start).microseconds)/1000000
         # print("onTic DAQ took %s seconds." % (runTime) )
@@ -278,6 +279,11 @@ class Experiment:
         self.dataPlot.autoRange()
 
     def updatePlot(self,swp=None):
+        if 'newData' in  self.data and self.data['newData']:
+            self.data['newData'] = False
+        else:
+            return
+            
         start = datetime.now()
         x = self.data['x']
         for name in self.channelsNames2plot:
-- 
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