[pstricks] smoothing 3d plot (pst-3dplot with fileplotThreeD)

[Toche, Patrick]

> > how does one know how to set the following?
> >
> > \begin{pspicture}(-6,-3)(6,10)%
> >
> >    \psset{%
> >      xunit = 0.5cm
> >      , yunit = 0.5cm
> >    }%
> >
> > How does one get the units right?

> that is only important in the very end when you have to save
> a box for TeX's typesetting. At a start you can use
> \begin{pspicture}(-5,-5)(5,5)

Thanks Herbert, that's one thing less to worry about!