I think I found it, try adjusting accuracy in the iso (default is 0.001,
0.0001 appeared ok)

-tgq

"Skip Talbot" <sta### [at] uiucedu> wrote in message
news:3bf2c8de$1@news.povray.org...
> I tried a max_gradient of 2000 and got the same results.  A
max_trace_level
> of 10000 did not help either.  I'll post the cloud to p.t.s-f when its
> completed.  I'm using it for my bomber scenes.
>
> --
> Skip
> Ruy <ruy### [at] hipernetcombr> wrote in message
news:3bf29dab@news.povray.org...
> > Did you try  to use "evaluate" in order to find out the proper
> > "max_gradient"? If not, take a look at the docs, specifically 6.5.4.
> > Although you increased it, the ammount might still be insuficient (the
> > largest number I've had to use in one of my isosurfaces was 248). If
it's
> > not that, then I don't have a clue.
> >
> > BTW, nice cloud. Do you intend to post the source?
> >
> > Ruy
> >
> >
>
>

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