in news:3c784c61@news.povray.org Rune wrote:

> #declare SplineArray =
> array[7*2] {
>    0.0*y, <0,1,2>,
>        x, <1,5,0>,
> 

This is ugly. Why don't you take a linear (or other) spline as input for 
generating the T-values?

And I think this discussion if off-topic here,
followup set to povray.advanced-users

Ingo

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