Cousin Ricky <ric### [at] yahoocom> wrote:
> SVG's quadratic curve uses 2nd order BÃ©zier splines, while
> SSWP_QUADRATIC_SPLINE uses POV-Ray's built-in quadratic spline type,
> which connects the control points with parabolic curves. They are two
> different spline types.
I /thought/ that might be the case.
> To get an SVG style quadratic curve, you would need to use
> SSWP_BEZIER_SPLINE, and clone the middle control point:
> Unfortunately, the BÃ©zier algorithm in SphereSweep 1.2 does not handle
> such cloning properly. You'll need to replace macro SSwp__Bezier_calc()
> in spheresweep.inc with the following:
Weird, but glad you had a quick fix all ready to plug in. :)
> It is under consideration. In any case, the BÃ©zier algorithm patch will
> definitely be in the next update.
Thanks very much - that fixed the bumpiness of the outlines.
Now I have to figure out why the SVG splines render oh-so-very nicely in a
browser, but have all sorts of apparently extraneous lines and scribble when
converted over to sphere sweeps...
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