POV-Ray : Newsgroups : povray.newusers : sphere proportions : Re: sphere proportions Server Time
29 Jul 2021 11:31:04 EDT (-0400)
  Re: sphere proportions  
From: jr
Date: 31 May 2021 12:40:00
Message: <web.60b5109fdfb9240b79819d986cde94f1@news.povray.org>
hi,

"Psnarf" <nomail@nomail> wrote:
> In a square window,
> sphere {
>     <0, 1, 2>, 2
>     texture {
>         pigment { color Yellow }
>     }
> }
> produces an ellipsoid, the vertical radius is larger than the horizontal radius:
> `povray -Idemo.pov +V +W400 +H400`
>
> Apparently, the window proportion must be 1:1.33 in order to produce a sphere
> with a fixed radius. Should not sphere appear circular no matter what the window
> proportions in the render command?

depends on the 'right' vector of your camera.
<https://wiki.povray.org/content/Reference:Camera#Index_Entry_right_camera>


regards, jr.


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