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Vive SRAnipal Eye Tracking: How to get gaze origin in Unity world space coordinates?

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I am attempting to get the gaze origin value in Unity's coordinate system so that I can calculate the precision of the eye gaze direction in relation to a target object. Unfortunately, the "gaze_origin_mm" value does not seem to fit what I'm looking for. I tried converting it to meters and after some testing, it was clear the value was not in Unity's coordinate system. I assume this is because the value is relative to some point, but I have been unable to find any information on what this point is or how to fetch it.

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