How do you handle the case when you have multiple "hybrid" subdomains. This is tricky since you could theoretically exhaust the number of subdomains with "pure" subdomains alone let alone generating new magic IDs for hybrid domains.
On Mar 15, 2010, at 11:09 AM, Roy Stogner wrote: > > On Mon, 15 Mar 2010, Kirk, Benjamin (JSC-EG311) wrote: > >> Seems like within libmesh multiplw subdomain ids could be handled >> effectively with some bitwise & and | ?? > > Elaborate? > > > My brightest idea: > > We have a potentially-hybrid subdomain of subdomain_id N, we start > writing it out with Exodus_id N. each time we see a new element type > we assign Exodus_id N+magic_max_id_number to it. > > We start reading in elements; if any of them have a larger Exodus_id > than magic_max_id_number then we give them a subdomain_id of > Exodus_id%magic_max_id_number. > > As long as magic_max_id_number is less than max_Exodus_id / > max_number_of_element_types then we're fine. > > > I think Jed recently mentioned inventing his own file format in a very > apologetic tone; at the time I was thinking that although reinventing > the wheel is a bad idea in general, it might be justified when your > selection of existing wheels is limited to a hexagonal design, an oval > design, a design made from concrete... > --- > Roy ------------------------------------------------------------------------------ Download Intel® Parallel Studio Eval Try the new software tools for yourself. Speed compiling, find bugs proactively, and fine-tune applications for parallel performance. See why Intel Parallel Studio got high marks during beta. http://p.sf.net/sfu/intel-sw-dev _______________________________________________ Libmesh-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/libmesh-users
