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thank you :)
"Fredrik Eriksson" <fe79}--at--{yahoo}--dot--{com> wrote:
> On Tue, 21 Jul 2009 21:08:32 +0200, yara <yar### [at] gmail com>
> wrote:
> >
> > sphere_sweep{cubic_spline 2
> > <20,3,-.5>,.5, <.5,16,-.5>,.5 }
> >
> > thats whats giving me the error
> > did i write it incorrectly?
>
> You need at least four control points for a cubic spline.
>
>
>
> --
> FE
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