dolfin team mailing list archive

["Garth N. Wells" <gnw20@xxxxxxxxx>]

On 20 September 2011 13:12, Anders Logg <logg@xxxxxxxxx> wrote:
> On Tue, Sep 20, 2011 at 09:17:25AM +0100, Garth N. Wells wrote:
>> On 20 September 2011 07:10, Anders Logg <logg@xxxxxxxxx> 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.
>
> How is the <domain> tag related to reading of MeshValueCollection? It
> is implemented separately so one should only need to call
>
>   XMLMeshValueCollection::read(dim, type, node)
>

Do you need another reminder that parallel is not the same as serial? ;)

Garth

> --
> Anders
>
>
>> Garth
>>
>> >
>> >
>> > On Tue, Sep 20, 2011 at 07:58:31AM +0200, Kent-Andre Mardal wrote:
>> >> It seems to work now!
>> >>
>> >> Kent
>> >>
>> >> On 20 September 2011 01:06, Johan Hake <johan.hake@xxxxxxxxx> wrote:
>> >>      How far are we from a functional reading of MeshFunctions in
>> >>      parallel?
>> >>
>> >>      Johan
>> >>
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>