From d7a06a337940f2b72e6c7d10c304df9eca000a88 Mon Sep 17 00:00:00 2001
From: Théo de la Hogue
Date: Mon, 11 Apr 2022 15:59:56 +0200
Subject: Keep last pointer position to avoid blinking roi display

---
 src/argaze/utils/export_tobii_segment_aruco_markers.py | 5 +++--
 src/argaze/utils/live_tobii_aruco_rois.py              | 5 +++--
 2 files changed, 6 insertions(+), 4 deletions(-)

(limited to 'src')

diff --git a/src/argaze/utils/export_tobii_segment_aruco_markers.py b/src/argaze/utils/export_tobii_segment_aruco_markers.py
index 2195169..f9c4cb2 100644
--- a/src/argaze/utils/export_tobii_segment_aruco_markers.py
+++ b/src/argaze/utils/export_tobii_segment_aruco_markers.py
@@ -72,7 +72,7 @@ def main():
                 # When expected values can't be found
                 except (KeyError, AttributeError, ValueError):
 
-                    pointer = (0,0)
+                    pass # keep last pointer position
 
                 # Track markers with pose estimation and draw them
                 aruco_tracker.track(video_frame.matrix)
@@ -99,7 +99,8 @@ def main():
                         roi2D_scene = roi3D_scene.project(aruco_camera.get_K(), D0)
 
                         # Check if gaze is inside 2D rois
-                        roi2D_scene.inside(pointer)
+                        if pointer != None:
+                            roi2D_scene.inside(pointer)
 
                         # Draw 2D rois
                         roi2D_scene.draw(video_frame.matrix)
diff --git a/src/argaze/utils/live_tobii_aruco_rois.py b/src/argaze/utils/live_tobii_aruco_rois.py
index e8ed71f..028f83e 100644
--- a/src/argaze/utils/live_tobii_aruco_rois.py
+++ b/src/argaze/utils/live_tobii_aruco_rois.py
@@ -81,7 +81,7 @@ def main():
             # When expected values aren't in data stream
             except (KeyError, AttributeError, ValueError):
 
-                pointer = (0,0)
+                pass # keep last pointer position
 
             # Track markers with pose estimation and draw them
             aruco_tracker.track(video_frame.matrix)
@@ -108,7 +108,8 @@ def main():
                     roi2D_scene = roi3D_scene.project(aruco_camera.get_K(), D0)
 
                     # Check if gaze is inside 2D rois
-                    roi2D_scene.inside(pointer)
+                    if pointer != None:
+                        roi2D_scene.inside(pointer)
 
                     # Draw 2D rois
                     roi2D_scene.draw(video_frame.matrix)
-- 
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