Home Forums Software Development Tobii Pro SDK with IS4 Eye Tracker


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    Zbigniew Chyla


    I’m trying to read gaze data from IS4 Eye Tracker (serial number presented as IS404-…) using Tobii Pro SDK – either using Python or C. In both cases the device is found (via “tobii_research.find_all_eyetrackers” in Python or “tobii_research_find_all_eyetrackers” in C) and I can read the device’s address, serial number, etc.

    However, when I register callback for reading gaze data (“tracker.subscribe_to(tobii_research.EYETRACKER_GAZE_DATA, …)” in Python or “tobii_research_subscribe_to_gaze_data(…)” in C), the callback never gets called – even if I see that Eye Tracker Manager shows gaze visualization (so it successfully reads events from the eye tracker).

    Is this related to license type assigned to the device? The Eye Tracker Manager describes the license as “Consumer”.

    Grant [Tobii]

    Hi @zc-siili, thanks for your query however the Tobii Pro SDK is part of the Tobii Pro business department.

    This forum is intended principally for support with the Tobii EyeX and C4 Eye Tracker and associated SDK’s.

    Please get in touch with Tobii Pro Support department directly @ http://www.tobiipro.com/contact/contact-support/ for an
    answer to your query. Apologies for the inconvenience and thanks for your understanding.

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