[simpits-tech] Head tracking

[Derek Higgs]

I think Computer Graphics World had an article on "augmented reality" 
(basically the same thing) systems last year or so. Of course, they were 
talking about using it for things like maintenance, and tourist guides...

Derek

At 06:28 PM 1/31/02 -0500, you wrote:
>The next step in head mounted LCD displays is selective virtual reality 
>over the viewing area.
>
>This has been tried for things like surgery where the surgeon can see both 
>the patient and a VR image painted on sections of his field of view.
>
>For us, you would program an area in 3-D space that you do not want the 
>virtual world to be painted (the inside of your cockpit).  As you gaze 
>out, any area that you can see that lies inside the cockpit would be left 
>clear, that is, no image would be presented to the LCD and you would be 
>able to see through the LCD glass.  Areas outside the cockpit boundary 
>would be replaced with the VR image in the LCD.  So, as your gaze crosses 
>the boundary you will see part of the LCD fill with the VR image and the 
>rest would be transparent so you can see and operate your controls.
>
>A computer is needed to provide the image switching function by 
>recognizing the area that is inside your cockpit and that which is outside 
>your cockpit.  A small visor mounted camera is used by the computer to 
>tell where you are facing and how much of the image is to be kept and what 
>is to be painted as VR.
>
>Marv