On Fri, 14 Sep 2001 23:44:05 +0200, Rune wrote:
>But setting the aspect ratio to 1 (using up and right vectors) doesn't give
>a circular image - that's the whole problem.

But it does give a circular image.  It just doesn't look circular on your
monitor because you have square pixels.  As has been noted before: aspect
ratio and image size ratio are only the same on some media.

-- 
#macro R(L P)sphere{L F}cylinder{L P F}#end#macro P(V)merge{R(z+a z)R(-z a-z)R(a
-z-z-z a+z)torus{1F clipped_by{plane{a 0}}}translate V}#end#macro Z(a F T)merge{
P(z+a)P(z-a)R(-z-z-x a)pigment{rgbf 1}hollow interior{media{emission 3-T}}}#end 
Z(-x-x.2x)camera{location z*-10rotate x*90normal{bumps.02scale.05}}

Post a reply to this message