[Solved] Eye Tracker 4C Package Selection

[Jingxi Xu]

Dear all,

I am trying to develop an application which lets users to select using their eyes. To be more specific, it will display several rectangles on the screen as choices. If user wants to select one of them, he needs to stare at it for a certain amount of time. Then, my application will execute following actions based on the user’s choice.

My question is that can I achieve this with only the Core SDK or do I have to upgrade my license to use the Pro SDK?

Thank you.

[Grant [Tobii]]

Hi @jingxi,

Thanks for your interest in developing gaze interaction applications! Indeed, from your description it sounds perfectly suited for the Core SDK Interaction API, so you should not need to upgrade to the Pro SDK.

There are many sample applications bundled with the Core SDK which you can download @ https://github.com/Tobii/CoreSDK

And an extensive tutorial and user guide to follow online as well @ https://tobii.github.io/CoreSDK/

Good luck and please consider publishing on the forum your software!

[Jingxi Xu]

Thanks for your reply.

Which one do you think is better for my app? Tobii Interaction API or Tobii Stream Engine? Also, can I see the gaze data/position of the user by using Core SDK?

Thank you!

[Grant [Tobii]]

Hi @jingxi, most certainly the Tobii Interaction API is what you should be looking to use. The Stream Engine is a low level API designed only for specialised cases.

And yes of course, you can view the gaze data and position via the Core SDK.

If you run the aforementioned examples via the Interaction API, it should become clear how the SDK functions with your eye tracker.

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