px2va: Convert Gaze Coordinates

In maltelueken/gazeHMM: Classify Gaze Data With a Hidden Markov Model

Description

Converts raw gaze coordinates from pixels into degrees of visual angle.

Usage

px2va(x, res, dim, dist)

Arguments

x	Numeric vector of raw coordinates for each gaze sample.
res	Screen resolution (in px).
dim	Screen dimensions (in mm).
dist	Distance between subject and screen (in mm).

Value

A numeric vector with coordiantes in degrees of visual angle centered at (0,0) for each gaze sample.

maltelueken/gazeHMM documentation built on Oct. 6, 2020, 11:10 a.m.