"Thorsten Froehlich" <tho### [at] trfde> wrote:
> In article <web.41f3aa55fa67b1433d54f5180@news.povray.org> , "mephuser"
> <nomail@nomail> wrote:
>
> > Is this an example of Isosurface Image Noise Problem?
> >
> > Referring to this FAQ,
> > http://tag.povray.org/povQandT/languageQandT.html#isosurfacebug
> >
> > I wonder if my Isosurface code below fits the above description.
> > I'm having sudden black lines here and there...
> > I would agree that using Predefined shape code would solve my entire
> > problem, however I'm required to render in Isosurface code, so no
> > shortcuts.
>
> Well, what does POV-Ray tell you about the max_gradient?  Does the problem
> go away if you change thee max_gradient or accuracy?
>
>     Thorsten

Problem doesn't go away with Increasing Max_gradient or decreasing accuracy.

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