>After
>looking at one of my books on Escher, I think it might be possible to
>represent an Escher space more convincingly if the space was viewed through a
>fish-eye lens--perhaps someone could generate an algorithm to transform a
>picture to represent visualization through this type of lens.
In many (most? all?) VR systems you can set the focal length, etc. of the
camera that you are viewing through. If you set this properly and your system is
capable of viewing at such an angle, you will get a fish-eye effect.
Why do you think this effect is crucial to representing Escher?
--Andy