Chnaged find_crit() so that concave_hull is not used on the source plane, but instead RemoveInitersections() made Utilities::RemoveIntersections() Overloaded some of the curve and geometry routines.
Chnaged find_crit() so that concave_hull is not used on the source plane, but instead RemoveInitersections()
made Utilities::RemoveIntersections()
Overloaded some of the curve and geometry routines.

glenco/SLsimLib,glenco/SLsimLib