This might be a useful read maybe? https://raphlinus.github.io/curves/2021/03/11/bezier-fitting.html
On Tue, Jun 1, 2021 at 6:20 PM vince touache <fruityfr...@gmail.com> wrote: > hello, > > I was looking for an algorithm to predict the best Bezier curve, given a > vector of points. I ended up implementing "An Algorithm for Automatically > Fitting Digitized Curves" from Graphics Gems vol.1, but I'm not 100% happy > with the result. > Out of curiosity, I compared it against the *fitBspline* node in Maya, > which seems to give a better result. > > Does anyone know what algorithm the *fitBspline *node is using > internally? And/or does anyone know other bezier curve fitting algorithms? > > TLDR: > what I don't like with the Graphics Gems approach is that it assumes the > tangent is the unit vector P1-P0 / ||P1-P0||, which is always wrong. Close > to be right, but not right. So I'd like something that can retrieve the > tangents more accurately > > Thank you > > -- > You received this message because you are subscribed to the Google Groups > "Python Programming for Autodesk Maya" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to python_inside_maya+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/python_inside_maya/7062536a-121b-4112-85da-24ebc99f8d3an%40googlegroups.com > <https://groups.google.com/d/msgid/python_inside_maya/7062536a-121b-4112-85da-24ebc99f8d3an%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "Python Programming for Autodesk Maya" group. To unsubscribe from this group and stop receiving emails from it, send an email to python_inside_maya+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/python_inside_maya/CAPaTLMTx4yJjYMk4wDd6o3CwZ3PoHbaVAkc59xtp2m-P7zzu7A%40mail.gmail.com.
