From fecf8b7a54d729d528ba1ab599a9c4b48fdde953 Mon Sep 17 00:00:00 2001
From: Théo de la Hogue
Date: Mon, 8 Jul 2024 12:05:42 +0200
Subject: Adding new use case.

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 .../use_cases/air_controller_gaze_study/context.md | 22 ++++++++++++++++++++++
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 create mode 100644 docs/use_cases/air_controller_gaze_study/context.md

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diff --git a/docs/use_cases/air_controller_gaze_study/context.md b/docs/use_cases/air_controller_gaze_study/context.md
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+Live streaming context
+======================
+
+The context handles incoming eye tracker data before to pass them to a processing pipeline.
+
+## post_processing_context.json
+
+For this use case we need to read Tobii Pro Glasses 2 records: **ArGaze** provides a [ready-made context](../../user_guide/eye_tracking_context/context_modules/tobii_pro_glasses_2.md) class to read data from records made by this device.
+
+While *segment* entries are specific to the [TobiiProGlasses2.PostProcessing](../../argaze.md/#argaze.utils.contexts.TobiiProGlasses2.PostProcessing) class, *name* and *pipeline* entries are part of the parent [ArContext](../../argaze.md/#argaze.ArFeatures.ArContext) class.
+
+```json
+{
+	"argaze.utils.contexts.TobiiProGlasses2.PostProcessing": {
+		"name": "Tobii Pro Glasses 2 post-processing",
+		"segment": "/Volumes/projects/fbr6k3e/records/4rcbdzk/segments/1",
+		"pipeline": "post_processing_pipeline.json"
+	}
+}
+```
+
+The [post_processing_pipeline.json](pipeline.md) file mentioned aboved is described in the next chapter.
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