Fitting Cubic Bézier Curves
I won't pretend to understand the intricacies in your article here, but have you seen this paper / video by Cem Yuksel (University of Utah)....<p>By my layman understanding the curves discussed in the following paper may be of use.<p><a href="http://www.cemyuksel.com/research/interpolating_splines/a_class_of_c2_interpolating_splines.pdf" rel="nofollow">http://www.cemyuksel.com/research/interpolating_splines/a_cl...</a><p><a href="https://www.youtube.com/watch?v=pK4zy5OKbHs" rel="nofollow">https://www.youtube.com/watch?v=pK4zy5OKbHs</a>