up Inquisit Language Reference

fixationwindowlength attribute

The fixationwindowlength attribute specifies the length of the averaging window used to determine when a fixation has ended.

Member of

<eyetracker>

Syntax

/ fixationwindowlength = fixationwindowlength

Parameters

fixationwindowlength The fixation window length to use in the real-time calculation of fixation points.

Remarks

This is used to smooth out data and minimize the effect of noise inherent in high sample rates. The default value is 20ms.

Examples

The following sets the fixation window length: 

<eyetracker>
/ fixationwindowlength = 20.0
</eyetracker>
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