POV-Ray : Newsgroups : povray.binaries.images : UV mapping of spheresweep : Re: UV mapping of spheresweep Server Time
29 Jul 2024 16:28:03 EDT (-0400)
  Re: UV mapping of spheresweep  
From: And
Date: 16 Feb 2014 12:50:00
Message: <web.5300f9be30311f0cd9b9653f0@news.povray.org>
Le_Forgeron <jgr### [at] freefr> wrote:
> Le 16/02/2014 17:34, And nous fit lire :
> > I have ever heared that POV-Ray's sphere sweep has bug, don't know what it is.
> > And has it been resolved?
> >
> There is two/three kind of bug, presently, on sphere sweep in povray 3.7:
>
> 1. homogeneous scaling by negative factor also affect the radius of the
> spheres (do not do that, or see flyspray entry for a correction)
> 2. solver might display artefact when the segment is perpendicular to
> the ray
> 3. when using a non linear_spline, the computation of the bounding box
> might be so wrong, better manually bound it if you can.

Oh, thank you. That sound it is good enough.


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