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## description = How to visualize the sensors topics, as well as hide robots or sensors.
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=== Topic visualization ===

You can see the sensor (and the robot) topic visualization by pressing the gray "eye" button in the information tree (right side of GUI).

{{attachment:topic_visualization.gif|alt text|width=750}}

=== Visibility status ===

You can also change the visibility status of any sensor / robot by clicking the green colored "eye" button in the information tree (right side of GUI). There are three visibility choises :

 *Full visibility (Green button)
 *Transparent (Orange button)
 *Hidden (Red button)


{{attachment:visibility.gif|alt text|width=750}}

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