Knowledge Base

Introduction 1 Introduction

Aim Of This Technical Note

This document describes how to start and stop Tobii Pro eye trackers in The Observer XT and how to import the eye tracking data into the observation. This document describes the use of the Tobii Pro X2 Eye Trackers. These are stationary eye trackers that are positioned below a computer monitor. They are controlled with the analysis software Tobii Pro Lab or Tobii Pro Studio. This technical note describes both Tobii Pro Lab and Tobii Pro Studio. When instructions are identical, both applications are referred to as Tobii Pro software. Where needed, separate instructions for the two applications are given.

System Used

Computer

All software was tested on our standard test platform, which is a Dell Precision T5810 desktop computer. Processor: Intel Xeon E5-1620 v3, at 3.50 GHz. RAM Memory: 8 GB. Operating system: Windows 10 64 bit. The Observer XT and the Tobii Pro software were installed on two separate computers.

Software

On the The Observer XT computer

The Observer XT 14.2. Introduction

N-Linx Server version 1.0, for communication between The Observer

XT and other applications.

note The N-Linx Server can also be installed on a third computer,

connected with The Observer XT computer and the computer with Tobii Pro software.

On the computer with Tobii Pro software

We tested: - Tobii Pro X2-30 Eye tracker with Tobii Pro Lab 1.98.15089. - Tobii Pro X2-60 Eye tracker with Tobii Pro Studio 3.4.7.

note If you have another eye tracker than the ones tested by

Noldus IT, check thoroughly that the solution described in this note works.

N-Linx Agent version 1.2, for communication between The Observer

XT and Tobii Pro Studio or Tobii Pro Lab.

Tobii Pro Studio and Lab plugin installed on the computer with

Tobii Pro Studio or Tobii Pro Lab.

note You can install this component when you install N-Linx

Agent.

Noldus Tobii Studio File Converter 3, to convert Areas of Interest

(AOI) data from the Tobii Pro software. For other data types you do not need a file converter. Introduction

Notes

The communication system N-Linx Server + N-Linx Agent + Tobii Pro Studio and Lab plugin takes care of automatic start and stop of data co-acquisition with Tobii Pro software when you operate The Observer XT. It does not transfer the data from Tobii Pro software to The Observer XT, or synchronize the data with the event log. For this, you must export the data files from the Tobii Pro software, import them into The Observer XT, and synchronize manually with the event log. The N-Linx Server adds the possibility to extend the solution with other N-Linx enabled software and custom development (N-Linx SDK). Contact Noldus for details.

Import Profiles

Import profiles for data from Tobii Pro Lab

To import data from Tobii Pro Lab into The Observer XT, import profiles are available. These can be downloaded from https:// Download the zip-file and extract it to a temporary folder. Copy the profile to C:\ProgramData\Noldus\Common\Profiles on your computer with The Observer XT. Copy both the folder and the file.

Import profiles for data from Tobii Pro Studio

To import Tobii Pro Studio data, a number of import profiles are available. These are installed automatically when you install The Observer XT. For the import procedures, see page 26 and page 37 for non-AOI data and AOI data, respectively.

For More Information

About The Observer XT

The Observer XT Help. Introduction - For visualizing data: see Visualize Data. - For calculating statistics: see Calculate Statistics. Quick Start Guide - The Observer XT. The Observer XT sample project, which you can find on the

installation USB stick, in the folder Sample Projects/Human sample

project. Other sample projects can be downloaded from https://

register and login first. support-center. The web page of the Noldus Customer support center also contains the customer support database with questions asked by The Observer XT users and answers from the help desk.

About N-Linx

The Reference Manual - N-Linx, which you can find on The Observer XT installation USB stick.

About Tobii Pro Software

The Tobii Pro Lab or Tobii Pro Studio User Manual.

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Source: The Observer XT 17 - Technical Note - Tobii Pro Eye trackers