On Wed, 04 Oct 2000 18:10:40 +0200, Fabien Mosen wrote:
>The "virtual" slope (normal perturbation) at that point will
>always be the same, regardless of the camera position.

But the appearance of the surface due to that perturbation will vary with
camera position and lighting.

>However, the finish value returned (coming from reflection,
>in that example) will be different with a different camera.

Not true.  Only the appearance of the surface due to the finish will vary.
The finish itself is constant.

-- 
Ron Parker   http://www2.fwi.com/~parkerr/traces.html
My opinions.  Mine.  Not anyone else's.
Proudly not helping RIAA and SDMI steal my rights -- 
  http://www.eff.org/Misc/EFF/Newsletters/EFFector/HTML/effect13.08.html

Post a reply to this message