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How to get which pixel of frame the user is looking at


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I know use SRanipal_Eye_Framework can get the GazeOrigin and GazeDirection in the virtual scene. 

But in my application, I want to access which pixel of the current frame the user is look at

(e.g. the user is look at pixel at (400, 300) of the current frame )

I wonder if it is possible ? 

If it is possible, how can I get it ? 

 

@Corvus @Daniel_Y @zzy

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I also would like to know the answer to this question. I am saving to a .mp3 file the recording of the environment presented to the participant using Unity Recorder and I am also saving out every single variable using the SRanipal_Eye_Framework at 120 hertz to a .txt file. I also need to know exactly which pixel of the current frame the user fixates upon.

 

@Corvus @Daniel_Y @zzy

 

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