From ba1a1eb9d76083b43f2b3c4ffa18651f2e516e6f Mon Sep 17 00:00:00 2001
From: Théo de la Hogue
Date: Fri, 9 Dec 2022 01:04:30 +0100
Subject: Setting black background for scan path visualisaiton. Removing bad
 continu. Changing saccade display condititon.

---
 .../utils/tobii_segment_gaze_movements_export.py   | 24 ++++++++++------------
 1 file changed, 11 insertions(+), 13 deletions(-)

(limited to 'src')

diff --git a/src/argaze/utils/tobii_segment_gaze_movements_export.py b/src/argaze/utils/tobii_segment_gaze_movements_export.py
index 426d4bf..0f7bd64 100644
--- a/src/argaze/utils/tobii_segment_gaze_movements_export.py
+++ b/src/argaze/utils/tobii_segment_gaze_movements_export.py
@@ -270,7 +270,7 @@ def main():
     ts_aois_projections = DataStructures.TimeStampedBuffer.from_json(aoi_filepath)
 
     # 
-    heatmap_matrix = numpy.full((1080, 1920, 3), 255, numpy.uint8)
+    heatmap_matrix = numpy.zeros((1080, 1920, 3), numpy.uint8)
 
     # Video and data loop
     try:
@@ -286,7 +286,7 @@ def main():
         # Iterate on video frames
         for video_ts, video_frame in tobii_segment_video.frames():
 
-            visu_matrix= numpy.zeros((1080, 1920, 3), numpy.uint8)
+            visu_matrix = numpy.zeros((1080, 1920, 3), numpy.uint8)
 
             try:
 
@@ -297,15 +297,14 @@ def main():
 
                 selected_aoi = AOIFeatures.AreaOfInterest(current_aois.pop(args.aoi))
 
+                # Apply Perspective Transform Algorithm
+                destination = numpy.float32([[0, 0],[1920, 0],[1920, 1080],[0, 1080]])
+                aoi_matrix = cv.getPerspectiveTransform(selected_aoi.astype(numpy.float32), destination)
+                visu_matrix = cv.warpPerspective(video_frame.matrix, aoi_matrix, (1920, 1080))
+
             # Wait for aois projection
             except KeyError:
-
-                continue
-
-            # Apply Perspective Transform Algorithm
-            destination = numpy.float32([[0, 0],[1920, 0],[1920, 1080],[0, 1080]])
-            aoi_matrix = cv.getPerspectiveTransform(selected_aoi.astype(numpy.float32), destination)
-            visu_matrix = cv.warpPerspective(video_frame.matrix, aoi_matrix, (1920, 1080))
+                pass
 
             # While current time belongs to the current fixation
             if video_ts >= current_fixation_ts and video_ts < current_fixation_ts + current_fixation.duration:
@@ -314,8 +313,6 @@ def main():
 
                 # Draw current fixation
                 cv.circle(visu_matrix, (int(current_fixation.centroid[0]), int(current_fixation.centroid[1])), int(current_fixation.dispersion), (0, 255, 0), current_fixation_time_counter)
-
-                # 
                 cv.circle(heatmap_matrix, (int(current_fixation.centroid[0]), int(current_fixation.centroid[1])), int(current_fixation.dispersion), (0, 255, 0))
 
             # Check next fixation
@@ -325,7 +322,7 @@ def main():
                 current_fixation_time_counter = 0
 
             # While current time belongs to the current saccade
-            if video_ts >= current_saccade_ts and current_fixation_time_counter == 0:
+            if video_ts >= current_saccade_ts and video_ts <= current_saccade_ts + current_saccade.duration:
 
                 start_ts, start_position = current_saccade.positions.first
                 end_ts, end_position = current_saccade.positions.last
@@ -338,7 +335,7 @@ def main():
                 cv.line(heatmap_matrix, int_start_position, int_end_position, (0, 0, 255), 2)
 
             # Check next saccade
-            elif video_ts >= current_saccade_ts + current_saccade.duration and len(ts_saccades) > 0:
+            elif video_ts > current_saccade_ts + current_saccade.duration and len(ts_saccades) > 0:
 
                 current_saccade_ts, current_saccade = ts_saccades.pop_first()
 
@@ -350,6 +347,7 @@ def main():
 
                 # Draw gaze
                 nearest_gaze_position.draw(visu_matrix)
+                nearest_gaze_position.draw(heatmap_matrix)
 
             # Wait for gaze position
             except KeyError:
-- 
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