POV-Ray : Newsgroups : povray.bugreports : Is sphere_sweep known to be troublesome? : Re: Is sphere_sweep known to be troublesome? Server Time
2 Apr 2023 05:45:36 EDT (-0400)
  Re: Is sphere_sweep known to be troublesome?  
From: Roman Reiner
Date: 13 Mar 2010 06:15:01
Message: <web.4b9b73522e5cb7c2994105c90@news.povray.org>
Not sure if in this case it is a bug or just one of the limitations of
sphere_sweeps but anyway:
I always use a string of cones with spheres at the joints rather than a
sphere_sweep. It renders faster, you can easily change the resolution according
to your needs and you don't get such problems.
Actually this works so well, i'm wondering why they don't implement it that
way...

Regards Roman


"JeffEvarts" <riv### [at] earthlinknet> wrote:
> Produces two strange artifacts: A disk at the center of the sweep, and a faint
> "halo" or veil which shows as 4 faint hyperbolas centered around the origin.
>
> I have tried tweaking tolerance (for no other reason than I saw that someone
> else was tweaking it to solve a problem) but this does not seem to change
> things.
>
> For a look at MY result when I run this, view this image:
>
> http://riventree.com/archive/bugdata/povray/SphereSweepArtifacts.jpg
>
> (I can't post attachments to this newsgroup)
>
> -Jeff Evarts


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