Intrinsic/extrinsic parallax

[T3D john bercovitz <bercov@xxxxxxxxxxx>]

Joel just put up a larger version of the drawing showing
the geometry that results when you pull an object in closer.  
You can view the drawing or retrieve it from:

http://www.frii.com/~rkymtmem/tech3d/inxp.gif

Bear in mind this is an extreme case done to make it clear 
to me the nature of the distortion that results.  Notice 
that in both the before and the after cases the objects are 
very close relative to the separation of the eyes.  That is,
(distance)/(eye separation) is not a large number.

Thanks, Joel

John B


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