From ab792c40eb7e3eb06ab9e9aca93ed387f6c4635f Mon Sep 17 00:00:00 2001
From: Théo de la Hogue
Date: Mon, 19 Dec 2022 11:41:45 +0100
Subject: Outputing metrics for the whole segment.

---
 .../utils/tobii_segment_gaze_metrics_export.py     | 35 +++++++++++++++-------
 1 file changed, 24 insertions(+), 11 deletions(-)

(limited to 'src')

diff --git a/src/argaze/utils/tobii_segment_gaze_metrics_export.py b/src/argaze/utils/tobii_segment_gaze_metrics_export.py
index 848f119..778e699 100644
--- a/src/argaze/utils/tobii_segment_gaze_metrics_export.py
+++ b/src/argaze/utils/tobii_segment_gaze_metrics_export.py
@@ -61,7 +61,8 @@ def main():
     movements_json_filepath = f'{destination_path}/gaze_movements.json'
     gaze_status_json_filepath = f'{destination_path}/gaze_status.json'
 
-    gaze_metrics_filepath = f'{destination_path}/gaze_metrics.csv'
+    gaze_metrics_period_filepath = f'{destination_path}/gaze_metrics_{args.period}s.csv'
+    gaze_metrics_whole_filepath = f'{destination_path}/gaze_metrics.csv'
 
     # Load gaze movements
     ts_fixations = GazeFeatures.TimeStampedGazeMovements.from_json(fixations_json_filepath)
@@ -72,7 +73,7 @@ def main():
     print(f'\nLoaded gaze movements count:')
     print(f'\tFixations: {len(ts_fixations)}')
     print(f'\tSaccades: {len(ts_saccades)}')
-    print(f'\nMovements: {len(ts_movements)}')
+    print(f'\tMovements: {len(ts_movements)}')
 
     # Load tobii segment
     tobii_segment = TobiiEntities.TobiiSegment(args.segment_path, int(args.time_range[0] * 1e6), int(args.time_range[1] * 1e6) if args.time_range[1] != None else None)
@@ -127,13 +128,10 @@ def main():
         # Add 'end' column
         movements_dataframe['end'] = movements_dataframe.index + movements_dataframe.duration
 
-    # Work with period of time in microseconds instead of seconds
-    period_duration = args.period * 1e6
+    # Define a function to export metrics for a period of time
+    def metrics_for_period(period_start_ts, period_end_ts):
 
-    for i in range(0, int(tobii_segment_video.duration/period_duration)):
-
-        period_start_ts = i*period_duration
-        period_end_ts = (i+1)*period_duration
+        period_duration = period_end_ts - period_start_ts
         period_metrics = {}
 
         #print(f'\n*** Anaysing period n°{i} [{period_start_ts * 1e-6:.3f}s, {period_end_ts * 1e-6:.3f}s]')
@@ -226,10 +224,25 @@ def main():
         # Append period metrics 
         ts_metrics[int(period_start_ts * 1e-3)] = period_metrics
 
-    # Export metrics
+    # Metrics for each period
+    for i in range(0, int(tobii_segment_video.duration/(args.period * 1e6))):
+
+        period_start_ts = i*(args.period * 1e6)
+        period_end_ts = (i+1)*(args.period * 1e6)
+
+        metrics_for_period(period_start_ts, period_end_ts)
+
+    metrics_dataframe = ts_metrics.as_dataframe() #pandas.DataFrame(metrics, index=[participant_name])
+    metrics_dataframe.to_csv(gaze_metrics_period_filepath, index=True)
+    print(f'\nGaze metrics per period of time saved into {gaze_metrics_period_filepath}')
+
+    # Metrics for the whole session
+    ts_metrics = DataStructures.TimeStampedBuffer()
+    metrics_for_period(0, tobii_segment_video.duration)
+
     metrics_dataframe = ts_metrics.as_dataframe() #pandas.DataFrame(metrics, index=[participant_name])
-    metrics_dataframe.to_csv(gaze_metrics_filepath, index=True)
-    print(f'\nGaze metrics saved into {gaze_metrics_filepath}\n')
+    metrics_dataframe.to_csv(gaze_metrics_whole_filepath, index=True)
+    print(f'\nGaze metrics for whole segment saved into {gaze_metrics_whole_filepath}\n')
 
 if __name__ == '__main__':
 
-- 
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