"Kurts" <kur### [at] yahoofr> wrote in message
news:kurtzlepirate-2EFE3A.19022226022004@news.povray.org...
> hi,
>
> do you think i'ts possible to use this kind of equation to make pov object
:
>
>   x = f(u,v)
>   y = g(u,v)
>   z = h(u,v)
>
>   and how ?
>
>   thanks for your ideas.

I would advise against using separate functions or macros to create the
object, however.  A consolidated macro that creates V = F(u,v), where V is a
vector and F a vector function, is actually easier conceptually.  You can
still calculate all of the components individually within the macro, but you
can also bring vector math to bear, in effect wrapping an object around a
spline if needed.

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