Set the properties of the eye-tracker that was used in recording the data

This function is used to specify the properties of the eye-tracker used to record the data. Users can update one or more parameters. Unnamed parameters retain previous values. If these are not set by the user, then default parameters are set and a warning is issued in every call to relevant functions

Usage

tracker_properties_set(
  sample_frequency = NULL,
  viewing_distance_cm = NULL,
  screen_width_cm = NULL,
  screen_height_cm = NULL,
  screen_width_pixels = NULL,
  screen_height_pixels = NULL
)

Arguments

sample_frequency

Numeric frequency.

viewing_distance_cm

Distance in cm.

screen_width_cm

Width in cm.

screen_height_cm

Height in cm.

screen_width_pixels

Width in pixels.

screen_height_pixels

Height in pixels.