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This topic contains 6 replies, has 5 voices, and was last updated by Profile photo of Grant [Tobii] Grant [Tobii] 4 months, 1 week ago.

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  • #1841
    Profile photo of Keiichi Takahashi
    Keiichi Takahashi
    Participant

    I’m developing the app which records programmer’s gaze area of source codes by using EyeX SDK. Most of the researchers usually use high spec eye tracking device like X60/X120, but it is too expensive easily to get one.

    YouTube video: Fixation points acquired by using a Tobii EyeX Controller in reading source codes

    The prototype consists of two programs. One is to get fixation data from EyeX Controller by using the MinimalGazeDataStream included in Tobii EyeX SDK for .NET 0.32 with a few modification. The other is to visualize the fixation points by using Processing. Two programs communicate with each other using TCP/IP socket.

    #1867
    Profile photo of Anders [Tobii]
    Anders [Tobii]
    Moderator

    Hi Keiichi,
    thanks for sharing!

    #6676
    Profile photo of Hana'a
    Hana’a
    Participant

    Hi Keiichi,

    Currently I am working on my master thesis using tobii eye tracker. In my project I need to visualize the fixation points by using Processing as you had mentioned. Can you please share with me the methodology you had used in your source code.
    Thank you!!

    #6677
    Profile photo of Keiichi Takahashi
    Keiichi Takahashi
    Participant

    Hi Hana’s,

    I don’t use EyeX any more, especially in the research that needs to analyze EyeX’s gaze data because its strict license policy, see http://developer.tobii.com/license-agreement/, and the project files are missing…I’m sorry I couldn’t help you.

    Thanks

    #6695
    Profile photo of Grant [Tobii]
    Grant [Tobii]
    Moderator

    Hi @hanaa,

    Hi! The new low level API called Tobii Stream Engine is released:
    https://www.nuget.org/packages/Tobii.StreamEngine.Native/
    https://www.nuget.org/packages/Tobii.StreamEngine/

    This is a low level API so please only use it if you know why you are doing it. Very little support is going to be provided.

    However, perhaps this may be of use to you in manually determining fixations. But please bear in mind that indeed the long term storage of data is not permitted under the licence agreement.

    #7001
    Profile photo of Alexandre
    Alexandre
    Participant

    @grant-rogers, your message above is very recent. I am interested on topic. I have followed the Nuget’s pages up to PDF files but I can not understand if some of these libraries points for support to Linux.

    #7004
    Profile photo of Grant [Tobii]
    Grant [Tobii]
    Moderator

    Hi @alexandre, Sorry to say we have to plans to include Linux support in the near future for the Tobii Tech peripheral range as we are trying to focus for the time being on gaming.

    If someone greatly needs to use eye tracking on a linux system, we would forward them to Tobii Pro business department who do indeed produce the necessary hardware and software to run on this platform.

    Apologies for the inconvenience.

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