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Tobii 4C with "Pro" License: variable descriptions for saved data

Home › Forums › Eye Tracking Devices › Tobii 4C with "Pro" License: variable descriptions for saved data

Tagged: meta data, Tobii 4C, Variable Descriptions

  • This topic has 3 replies, 2 voices, and was last updated 2 years, 8 months ago by Grant [Tobii].
Viewing 4 posts - 1 through 4 (of 4 total)
  • Author
    Posts
  • 10/07/2020 at 15:19 #18377
    Stefan
    Participant

    Hi everybody,

    I am using a Tobii 4C eyetracker with a Pro License. The Pro License means that I can read and save all data that the eyetracker collects. When saving the data, I get a CSV file with several columns and associated headers (one per “variable” that gets collected) … and then the values in the rows respectively.

    Unfortunately I cannot find information about what the headers mean specifically.

    For example the header “device_time_stamp” –> after browsing around for a bit I found that this corresponds to “Time stamp in microseconds according to the eyetrackers internal clock”.

    However, there are many other headers that I cannot find descriptions about.

    Is there a list or a reference guide that I can read for this information? It’d be great to have a mapping between each header and its description in a table format.

    Thanks,

    Stefan

    —

    Below, I paste a list of all the variables that I would like to find a description about:

    device_time_stamp
    system_time_stamp
    left_gaze_point_on_display_area
    left_gaze_point_in_user_coordinate_system
    left_gaze_point_validity
    left_pupil_diameter
    left_pupil_validity
    left_gaze_origin_in_user_coordinate_system
    left_gaze_origin_in_trackbox_coordinate_system
    left_gaze_origin_validity
    right_gaze_point_on_display_area
    right_gaze_point_in_user_coordinate_system
    right_gaze_point_validity
    right_pupil_diameter
    right_pupil_validity
    right_gaze_origin_in_user_coordinate_system
    right_gaze_origin_in_trackbox_coordinate_system
    right_gaze_origin_validity

    12/07/2020 at 20:33 #18391
    Grant [Tobii]
    Keymaster

    Hi @sappelhoff, thanks for getting in touch. It looks like you are using the Tobii Pro SDK. Tobii provides a comprehensive reference guide for the Pro SDK detailing all the various class members.

    You can view this @ http://developer.tobiipro.com/net/dotnet-sdk-reference-guide.html

    I think therein you should find what you are looking for. Best Wishes.

    15/07/2020 at 14:58 #18432
    Stefan
    Participant

    Thanks Grant, it took me some time to compile all the information I needed … but the SDK documentation does indeed cover my question.

    15/07/2020 at 15:24 #18433
    Grant [Tobii]
    Keymaster

    Great! Glad to hear it, please do get in touch again should you require any further information from us.

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