Dear All, Is there in MOAB a ready function to swap an edeg common to two adjacent triangles? Regards Roman -- Roman Putanowicz, PhD < putanowr at l5.pk.edu.pl > Institute for Computational Civil Engng (L-5) Dept. of Civil Engng, Cracow Univ. of Technology www.l5.pk.edu.pl, tel. +48 12 628 2569, fax 2034