Improving File CSV context to parse file with left and right eyes data. Documenting the new feature.

1 files changed, 42 insertions, 2 deletions

diff --git a/docs/user_guide/eye_tracking_context/context_modules/file.md b/docs/user_guide/eye_tracking_context/context_modules/file.md
index 8a66b83..5b5c8e9 100644
--- a/docs/user_guide/eye_tracking_context/context_modules/file.md
+++ b/docs/user_guide/eye_tracking_context/context_modules/file.md
@@ -19,13 +19,15 @@ Read more about [ArContext base class in code reference](../../../argaze.md/#arg
 
 ::: argaze.utils.contexts.File.CSV
 
-### JSON sample
+### JSON sample: splitted case
+
+To use when gaze position coordinates are splitted in two separated columns.
 
 ```json
 {
     "argaze.utils.contexts.File.CSV": {
         "name": "CSV file data playback",
-        "path": "./src/argaze/utils/demo/gaze_positions.csv",
+        "path": "./src/argaze/utils/demo/gaze_positions_splitted.csv",
         "timestamp_column": "Timestamp (ms)",
         "x_column": "Gaze Position X (px)",
         "y_column": "Gaze Position Y (px)",
@@ -33,3 +35,41 @@ Read more about [ArContext base class in code reference](../../../argaze.md/#arg
     }
 }
 ```
+
+### JSON sample: joined case
+
+To use when gaze position coordinates are joined as a list in one single column.
+
+```json
+{
+    "argaze.utils.contexts.File.CSV" : {
+        "name": "CSV file data playback",
+        "path": "./src/argaze/utils/demo/gaze_positions_xy_joined.csv",
+        "timestamp_column": "Timestamp (ms)",
+        "xy_column": "Gaze Position (px)",
+        "pipeline": ...
+    }
+}
+```
+
+### JSON sample: left and right eyes
+
+To use when gaze position coordinates and validity are given for each eye in six separated columns.
+
+```json
+{
+    "argaze.utils.contexts.File.CSV": {
+        "name": "CSV file data playback",
+        "path": "./src/argaze/utils/demo/gaze_positions_left_right_eyes.csv",
+        "timestamp_column": "Timestamp (ms)",
+        "left_eye_x_column": "Left eye X",
+        "left_eye_y_column": "Left eye Y",
+        "left_eye_validity_column": "Left eye validity",
+        "right_eye_x_column": "Right eye X",
+        "right_eye_y_column": "Right eye Y",
+        "right_eye_validity_column": "Right eye validity",
+        "rescale_to_pipeline_size": true,
+        "pipeline": ...
+    }
+}
+```