In article <38791f53@news.povray.org>, "Nathan Kopp" <Nat### [at] Koppcom> 
wrote:

> There are two concepts here.  One is the portal (hologram), the other is 
> the camera.  They would have to work differently, I think.

Good point, if you made a security camera monitor using the portal 
pigment, the areas visible through it would change as you moved around 
the monitor.
One possible solution would be a pigment which would take the same 
information the camera takes. This would probably have to render the 
scene from the point of view of the target position and use that as an 
image map(internally). While this would be very useful, it might be 
quite difficult to code.

I would be satasfied with the portal pigment. Image maps could be used 
for security monitors.

-- 
Chris Huff
e-mail: chr### [at] yahoocom
Web page: http://chrishuff.dhs.org/

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