Re: Large FOV

New Message Reply Date view Thread view Subject view Author view

Devrim Erdem (devrim++at++infotron-tr.com)
Mon, 14 Jun 1999 19:12:06 +0300

> Which distortion are you thinking of? Error as viewer moves away from
> the design eyepoint? Different packing of world-space information into
> displayed pixels as you move from the center of projection toward the
> edges? Errors of fog or lighting based on the common "Z-depth" rather
> than correct "radial range" as a function of FOV? Loss of Z-buffer
> resolution as a function of angle or distance from the center of a wide
> FOV display? Light fall-off from a flat screen based on angle of view?

I can not think of the distortions you mentioned since this is my first VR app
using large FOV. A frog in a well says "The sky is as big as the mouth of my well".

AFAIK, I shall expect a distortion when horizontal FOV exceed sth like 60. I was told
in a Vega training that this is because of the difference between a rectangle and
pie slice. The solution was to use 2 channels instead of one. Now I wonder if the
can be guessed correctly to prevent motion sickness or other problems.

Secondly, which one of the distortions you mentioned is most likely to appear ?

Devrim Erdem

New Message Reply Date view Thread view Subject view Author view

This archive was generated by hypermail 2.0b2 on Mon Jun 14 1999 - 09:32:57 PDT

This message has been cleansed for anti-spam protection. Replace '++at++' in any mail addresses with the '@' symbol.