On Fri, 5 Aug 2016, Shayan Hoshyari wrote: > Is there any functionality in libMesh for renumbering the elements in a > SerialMesh? Given that I already know the mapping old_id -> new_id ?
The renumber_elem() API is probably what you're looking for. You may need to use a "placeholder" number, though, to avoid overwrites. E.g. if you wanted to swap elements 0 and 1 in a 2 element mesh then you'd need renumber_elem(0,2); renumber_elem(1,0); renumber_elem(2,1); Because if you just tried "renumber_elem(0,1);" then you'd fail an assert in devel mode or have a corrupt mesh in opt mode. You'll also want to set allow_renumbering(false) on the mesh so libMesh doesn't override your preferences during any subsequent reinits. We'd appreciate bug reports if that doesn't work and/or unit tests if it does work; AFAIK renumber_elem() is currently only used internally. --- Roy ------------------------------------------------------------------------------ _______________________________________________ Libmesh-users mailing list Libmesh-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/libmesh-users
