From e787e0d47c01935a3ed2f2a48652b4fec5e3fa22 Mon Sep 17 00:00:00 2001
From: Théo de la Hogue
Date: Thu, 24 Nov 2022 09:01:12 +0100
Subject: Removing invalid position.

---
 src/argaze/GazeAnalysis/DispersionBasedGazeMovementIdentifier.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/argaze/GazeAnalysis/DispersionBasedGazeMovementIdentifier.py b/src/argaze/GazeAnalysis/DispersionBasedGazeMovementIdentifier.py
index fd46d7e..401c6d8 100644
--- a/src/argaze/GazeAnalysis/DispersionBasedGazeMovementIdentifier.py
+++ b/src/argaze/GazeAnalysis/DispersionBasedGazeMovementIdentifier.py
@@ -104,13 +104,17 @@ class GazeMovementIdentifier(GazeFeatures.GazeMovementIdentifier):
             while (ts_next - ts_start) < self.duration_threshold:
 
                 # Ignore non valid position
-                # TODO ? Consider invalid position to not break fixation ?
+                # TODO ? Should we consider invalid position to not break fixation ?
                 if gaze_position_next.valid:
 
                     # Store selected position
                     ts, gaze_position = remaining_ts_gaze_positions.pop_first()
                     ts_gaze_positions[ts] = gaze_position
 
+                else:
+
+                    remaining_ts_gaze_positions.pop_first()
+
                 try:
                     # Read next position
                     ts_next, gaze_position_next = remaining_ts_gaze_positions.first
-- 
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