From 667ebfcf1f0d3ba776047bbcc3d03de86aa4ec2a Mon Sep 17 00:00:00 2001
From: "Eugeniy E. Mikhailov" <evgmik@gmail.com>
Date: Tue, 13 Jul 2021 11:05:02 -0400
Subject: do not save data on the back stroke

---
 eitControl.py | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/eitControl.py b/eitControl.py
index d258ae4..acf42e6 100644
--- a/eitControl.py
+++ b/eitControl.py
@@ -297,6 +297,13 @@ class Experiment:
         if swp is None:
             swp = self.sweeper
         
+        # skip data update based on independent variable (rfGen) sweep direction 
+        sweep_direction = self.rfGenFunc.getSweepDirection(swp)
+        if sweep_direction < .5:
+            # sweep_direction is either 0 or 1
+            # we do no data collection on the backward stroke
+            return
+
         # global tic counter
         tic = self.sweeper.getCnt()
         self.data['tic'].append(tic)
-- 
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