B11;rgb:0000/0000/0000On Tue, Sep 20, 2011 at 08:49:13AM -0700, Johan Hake wrote: > On Tuesday September 20 2011 08:45:01 Garth N. Wells wrote: > > On 20 September 2011 16:37, Johan Hake <[email protected]> wrote: > > > Ok, sounds promising! > > > > > > Just to get it straight: > > > > > > 1) The old MeshFunction file format will not be supported in parallel > > > > Even better - your old file won't work in serial! The MeshFunction > > output is flawed (for edges and faces) because the edge and facet > > numbering is not specified by the mesh file. Edge and face numbering > > is determined by the library that constructs a mesh. The new format > > will be the same in serial and parallel. > > Well, if you use the library (DOLFIN) to generate your MeshFunction you are > safe.
Not really, since it may break if we make some optimizations in TopologyComputation that happen to change the order in which we create edges and faces. -- Anders > > > 2) To read a MeshFunction from file in parallel I need to convert > > > all my MeshFunctions to MeshValueCollections and store them. Then I > > > use that file to initiate a MeshFunction in parallel? > > > > I'll add something so if you read and old-style MeshFunction, and then > > write it to file, it will be written in the new format. > > So the file format of MeshValueCollection and MeshFunction will now be the > same? > Johan > > > Garth > > > > > Doable! > > > > > > Johan > > > > > > On Tuesday September 20 2011 01:17:25 Garth N. Wells wrote: > > >> On 20 September 2011 07:10, Anders Logg <[email protected]> wrote: > > >> > MeshFunctions? I think MeshValueCollection works but not yet > > >> > MeshFunctions. > > >> > > > >> > My suggestion is to either store MeshFunctions as > > >> > MeshValueCollections: > > >> > > > >> > <mesh_function> > > >> > <mesh_value_collection> > > >> > </mesh_value_collection> > > >> > </mesh_function> > > >> > > > >> > (when dim is not 0 or D) or to say that parallel I/O for MeshFunction > > >> > is not supported and make the conversion between MeshFunction and > > >> > MeshValueCollection easy (constructors). > > >> > > >> I think that the suggestion to store MeshFunctions as > > >> MeshValueCollections is the best solution. To keep it simple, I would > > >> use MeshValueCollection for entities of any dimension with a tweak of > > >> the tags for vertices. > > >> > > >> The tools are in place to read MeshValueCollections from a separate > > >> file. Just a few small additions are required to make it > > >> work (right now the domain data needs to be in the mesh file). Once > > >> this is in place reading MeshFunctions should be easy. I'll add the > > >> code today. > > >> > > >> Garth > > >> > > >> >> It seems to work now! > > >> >> > > >> >> Kent > > >> >> > > >> >> On 20 September 2011 01:06, Johan Hake <[email protected]> wrote: > > >> >> How far are we from a functional reading of MeshFunctions in > > >> >> parallel? > > >> >> > > >> >> Johan > > >> >> > > >> >> _______________________________________________ > > >> >> Mailing list: https://launchpad.net/~dolfin > > >> >> Post to : [email protected] > > >> >> Unsubscribe : https://launchpad.net/~dolfin > > >> >> More help : https://help.launchpad.net/ListHelp > > >> >> > > >> >> > > >> >> _______________________________________________ > > >> >> Mailing list: https://launchpad.net/~dolfin > > >> >> Post to : [email protected] > > >> >> Unsubscribe : https://launchpad.net/~dolfin > > >> >> More help : https://help.launchpad.net/ListHelp > > >> > > > >> > _______________________________________________ > > >> > Mailing list: https://launchpad.net/~dolfin > > >> > Post to : [email protected] > > >> > Unsubscribe : https://launchpad.net/~dolfin > > >> > More help : https://help.launchpad.net/ListHelp > > >> > > >> _______________________________________________ > > >> Mailing list: https://launchpad.net/~dolfin > > >> Post to : [email protected] > > >> Unsubscribe : https://launchpad.net/~dolfin > > >> More help : https://help.launchpad.net/ListHelp _______________________________________________ Mailing list: https://launchpad.net/~dolfin Post to : [email protected] Unsubscribe : https://launchpad.net/~dolfin More help : https://help.launchpad.net/ListHelp
