Re: Orthostereoscopy

[P3D Michael Kersenbrock <michaelk@xxxxxxxxxxx>]

> >Hyper (stereobase > normal human eye spacing) is the only way to see
> >the Grand Canyon in true 3D.
> 
> "True 3D???"  What does that mean? Is that in the P3D technical
> glossary?  ;)  ;)
> 
> What is with this picking on the Grand Canyon?  I defy anyone to view

The Grand Canyon is "picked on" because it looks 2D in real life and
so the ONLY way to see "3D" is in a hyper stereo photograph.  It
only looks 3D in person when you look at the immediate foreground.
Even looking down on the "near side" looks 2D because it goes down
a *long way*, and goes down *fast* (from the normal viewing areas on
the South Rim anyway).

It's that looking 2D "in person" that makes it seem so *BIG*
when you are there because it's a unfamiliar and eerie experience 
when you're there.  The sharp contrast between the 3D immediate 
foreground and the large amount of 2D background is startling at 
first.  It's not the same as looking at the horizon wherever one 
happens to be "now".

Personally, I tend not to like hypers because the very largeness that
is trying to be "corrected for" in gaining the 3-d effect is "fixed"
by making it look small.  3D, but small.  It's probably a balancing
act to get the right compromise between small'ification and 3D'ness, 
and that optimal compromise point probably is a personal thing that 
varies from person to person.

Mike K.


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