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This rolling
panorama
takes you on a complete circuit
of Harvey's Head.
But something is wrong ?
Is Harvey's head concave --
or it is actually convex ?
Watch it go round and decide
whether or not Harvey is a concave egg-head.
Or are we inside Harvey's head ?
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Looking at the rotating pix, the pattern of shadows and highlights
("Shape from Shading")
tells the eye that it's looking at the outside of a convex shape.
But the rotating behaviour is of a
concave surface.
What's straight ahead is slightly further away,
and smaller, than on the edges of the field of view.
Why so ? How so ?
A panoramic image of Harvey's head -- taken from outside
his head of course -- has been wrappen about
the inside
of a rotating cylinder.
The viewpoint for this tour is from the
inside
of this cylinder, that is, from the
inside
of Harvey's Head.
This VR system is actually a perceptual
dragon
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This updated
classic lithograph,
represents the internal working of
a Dragon Hunter jousting
with a
Dragon,
whereby the fiercesome beast is reduced to a more
comely form.
Note the whorls of Mundae Problematatis and of Paradymus Solutionis,
and the back of head insertion of Newtonian Canonii, I, II, and III
Reproduced with permission from
Harvey A. Cohen, A Dragon Hunter's Box
{Illustrated by Jeni Rawson},
Hanging Lake Press, Warrandyte, Victoria, Australia, 1974.
Copyright © 1974, 1975, 2002 Reproduction forbidden
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