Currently, pupil_gaze_x and pupil_gaze_y are recorded in a coordinate system relative to the viewport. To faciliitate proper analysis of the eye tracking data, there are a few other things we will need.
What was the perpendicular distance of the eye the viewing plane?
The units should be converted to an unscaled unit - cm or visual degrees. Can we retreive this from the Pupil Labs API?
Currently,
pupil_gaze_xandpupil_gaze_yare recorded in a coordinate system relative to the viewport. To faciliitate proper analysis of the eye tracking data, there are a few other things we will need.