Does anyone know of an well-used java library implementing algorithms for finding 2D convex hulls? I found JTS http://www.jump-project.org/project.php?PID=JTS&SID=OVER but I'm looking for more. -- glen e. p. ropella, 971-219-3846, http://tempusdictum.com It only takes 20 years for a liberal to become a conservative without changing a single idea. -- Robert Anton Wilson