"m_a_r_c" <jac### [at] wanadoofr> wrote:

> web.48bddbcdcd5c21439ef408df0@news.povray.org...
> >
> > #while (IN A REGION WE WANT TO PLANT)
> >  #declare h = trace(map, <x,y,2>, <x,y,0>, norm);
>
> // beware trace() waits for a coordinates  vector then a DIRECTION vector,
> not a destination one.
> // I'd  write instead  trace(map, <x,y,2>, -z , norm);
>
> Marc

Yup, you're totally right.

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