Home Forums Legacy SDKs Calibration X2-30 VS X3-120

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    Jordi Espada

    Hi there,

    My name’s Jordi Espada. I’ve worked with X230 since 2014. I was started using TobiiAnalitics but lately I have adapted TobiiPro. The behaviour using X230 was more or less the same either calibration and getting gaze values.

    Few weeks ago we have to develop an application using X3-120 and I have a question about the calibration that not happens with X2-30.

    In X2-30 the API (i.e TobiiPro) gathers 13 points or more for each calibration point where as X3-120 it gathers always 3 points. Is this a weird behaviour or its done by purpose ?

    This is a problem because we developed a quality calibration check for X2-30 that for doesn’t work for X3-120 due lack of calibration data.

    I wonder if for only three points we can deduce a good calibration quality.

    Grant [Tobii]

    Hi @jespa007, The X2-30 & X3-120 are part of the Tobii Pro business department.

    This forum is principally intended for support with the Tobii 4C and EyeX Eye Tracker’s and their associated SDK’s.

    Please kindly 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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