Le_Forgeron <jgr### [at] freefr> wrote:
> Le 04/04/2015 04:35, Alain a écrit :
> >
> > It looks like it could be a precision/accuracy isue as multiplying the
> > dimentions by 50 makes the artefact disapear. You may hit the limits of
> > double precision FP numbers.
> >
> > Scaling up, even by 1000, DON'T improve the end result. In fact, when
> > scalling up, I get a full black circle, not just parts of it.
> >
> >
> >
> > Alain
>
> I just scaled it by 10 and it went away:
>
>     torus{
>     -0.1247, 0.2357
>     rotate <-90,0,0>
>     scale 1/10
>     }

Sometimes it disappear, doesn't have to be a scaling problem.

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