Home Forums Software Development How to calculate the fixation duration

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  • #7073
    Ting Wing Lok

    I export the data from tobii eye tracker to the excel,
    I have local time stamp, timestamp and recording.

    In the visualization of the output,
    i can find the fixation duration of each point, but in the excel file, the gaze duration is different. Only the some fixation is consistent with the visualization output, but some are different..

    I would like to ask how can i obtain the fixation duration from the excel output, ? or by calculation of the timestamp?

    Grant [Tobii]

    Hi @johnting,

    The fixation data is included within the EyeX SDK data stream where we specify fixation start time, end time and location.

    We provide a guide in obtaining this information with sample code available @


    Please bear in mind that the long term storage of gaze data which is what you appear to be doing, is explicitly
    forbidden in the EyeX SDK licence agreement, so please ensure you have obtained the correct licence for your activities.

    Contact the licencing team [email protected] in case of doubt.

    If you would like to be more explicit with your setup (SDK variant, eye tracker, etc) I would be better placed to help you further.

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