ingo wrote:

>
>For a better understanding why more points are needed for a cubic spline
>read section "6.5.1.7  Lathe" of the documention.
>
>
I *do* understand why control points are needed, but I'd expect they had to
be expressed as vectors.  The incremented float values in the example don't
seem to *be* expressing vectors, hence my confusion.  I thought vectors had
to be enclosed by '< >'.

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