added Alternative spline producer which  has an interpolation section to try to avoid cusps. However, for some reason ols results become pretty bad if you try to use it.
added Alternative spline producer which  has an interpolation section to try to avoid cusps. However, for some reason ols results become pretty bad if you try to use it.

AndreasMadsen/grace,AndreasMadsen/grace,AndreasMadsen/grace