https://www.westhoffswelt.de/blog/2009/10/21/calculate-a-convex-hull-the-quickhull-algorithm|titre=Calculate a convex hull - The QuickHull algorithm (fr)
https://www.westhoffswelt.de/blog/2009/10/21/calculate-a-convex-hull-the-quickhull-algorithm|titre=Calculate a convex hull - The QuickHull algorithm (fr)