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In article <38d8387f@news.povray.org>, "Greg M. Johnson"
<"gregj;-)56590\""@aol.c;-)om> wrote:
> How do I get them?
>
> The linear spline isn't smooth.
No, it is made of straight line segments. That is the whole point of it
being "linear". If it was smooth, it wouldn't be a linear spline. :-)
> The cubic_spline looks like an ungainly pita. Why can't the computer
> figure out ways for it to be smooth on either end?
What do you mean? Maybe you would get better results by using more
points in the spline?
> The #init_spline bombs out if I don't have my numbers "in ascending
> way."
Could you be more specific?
And you might want to try the "other" spline patch included in MegaPOV,
the one using this kind of syntax:
#declare MySpline = spline {...}
sphere {MySpline(Val), Radius...}
See section "5.9. Splines with clock" in the MegaPOV documentation for
details. The documentation says "Note: argument/value pairs needn't be
sorted by argument value.", which I assume is your problem.
--
Christopher James Huff - Personal e-mail: chr### [at] yahoo com
TAG(Technical Assistance Group) e-mail: chr### [at] tag povray org
Web page: http://chrishuff.dhs.org/
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