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Introduction

This section covers the Situational Awareness Video; by definition, its purpose and how to create one. A thorough understanding of Layers is especially relevant to the creation of a Situational Awareness Video. 

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A Situational Awareness Video is a live video recording of a carriageway, complete with track data. The map and track data is simplified into three key aspects: the carriageway, any POI Points of Interest and the tracks, and placed upon the S/A Layer in the User Interface. The Map data is transferred back to the Track Engine, and then transferred to the Video Server. The radar sensor, the tracks, is transferred from the radar sensor to the Track Engine to the Video Server. The Video Server projects a video through a User Interface such as Scafell™, and thus a Situational Awareness Video is created. Refer to the diagram below. 

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To create a S/A video, you must:

1. Enable – under the Topology tab. Configure the Video Server Settings to your specification in the Topology Panel.
   

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2. Return to the System Menu to configure the Export Settings on the Settings: Video Server window. These settings are explained fully in the Video Server page.
   

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3. In the Settings: Video Server window, select Edit.

4. Under the Situational Awareness Export Options, press Create Map.

5. Use the Clear Situational Awareness Map button to delete an out of date Situational Awareness video if changes have been made to the PPI Display on the S/A Layer. Update it by selecting Create Map again. 

Scafell

Once the Situational Awareness Video has been created, the next step is to open up a UI, a separate piece of software to ClearWay™, in order to view the video stream. It is up to the discretion of the user which video management system and software to use, but Witness™ does include our own specialised video management software: Scafell Situational Awarness. In order to find out the URL of the camera stream, users will need to open Scafell regardless of their video management software choice. Though it is not needed to view video feeds, Scafell is the easiest way to find out their URL addresses. Scafell cannot be used unless the Situational Awareness addition and Video License have been purchased. 

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