in news:kurtzlepirate-2EFE3A.19022226022004@news.povray.org Kurts
wrote: 

> 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)

Looks like a parametric object, section 6.5.5 from the docs, or as a macro  
http://members.home.nl/seedseven/#param

Ingo

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