sessionbeer 10 Posted July 21 Has anyone done a biarc interpolation of a curve in Houdini? https://www.ryanjuckett.com/biarc-interpolation/ Share this post Link to post Share on other sites
Librarian 871 Posted July 21 @sessionbeer https://houdinigubbins.wordpress.com/tag/biarc-fitting/ Share this post Link to post Share on other sites
sessionbeer 10 Posted July 21 Wish there were some example files on Houdinigubbins, be amazing to explore all of those curve examples. Share this post Link to post Share on other sites
Aizatulin 171 Posted July 22 Hi, here is an file (experimental state) using mostly the ideas from Ryan Juckett. Input are 4 points (polycurve) and it calculates the arcs and the necessary attributes. It seems to work in usual cases (but there some cases where it probably fails). It only works, if all points are on a plane. biarc.hipnc Share this post Link to post Share on other sites
sessionbeer 10 Posted July 22 Thanks, @Aizatulin How would you get it to loop through more than 4 points? Share this post Link to post Share on other sites
Aizatulin 171 Posted July 22 (edited) I don't have an idea at the moment. This one ist only working for two points (with 2 tangents, which are controlled by the 2 other points). I don't think connecting/overlapping works here, because the arc is taking the shorter way. Maybe you can force the arcs to take the right way, if the first two arcs are calculated. But this will depend on user input etc... . Edited July 23 by Aizatulin Share this post Link to post Share on other sites
