TrackIR

Component Type: Sensor (Subcategory: Computer Vision)

The TrackIR input component plugin provides an interface to the TrackIR 5 head tracker, see: https://www.trackir.com/ The TrackIR 5 can measure the head orientation in 6DOF (Yaw, Pitch, Roll, X, Y, Z). This data can be utilized for mouse cursor control and other purposes.

Requirements

This software component requires the TrackIR device being connected to an USB port, and the TrackIR software running.

Output Port Description

• Yaw [double], Pitch [double], Roll [double]: These output ports provide current yaw, pitch and roll rotation values (the range of the values depends on the speed settings in the TrackIR software).
• X [double], Y [double], Z [double]: This output port provides the X, Y and Z translation values (the range of the values depends on the speed settings in the TrackIR software).

Event Listener Description

• start: An incoming event on this port starts the TrackIR data output.
• stop: An incoming event on this port stops the TrackIR data output.
• center: An incoming event on this port sets the TrackIR coordinates to 0 (the user should look straigt to the middle of the screen in order to get a correct center position).

Properties

• autoStart [boolean]: This property specifies if the data output is started automatically (if value is true) or if of a start event must be sent via the dedicated event listener port (if value is false).
• pollingIntervar [integer]: This property defines the polling-interval (update-interval) for getting sensor value updates (given in milliseconds), for example: a value of 10 results in 100 updates per second. The maximum update rate for the TrackIR 5 is 125 Hz (8 ms)