[Dune] Dune::IdSet

[Oliver Sander]

Hi Hua!
Global ids are unique across all processors.  Local ids are unique
only on each processor.  Hence you may have two entities on two
different processors with the same local id.  If your programm runs
on a single processor there is no difference.

best,
Oliver

Guo Hua schrieb:
> Hi everyone
>
> I feel confused when reading the explanations of these two functions
> in the class Dune::Grid< dim, dimworld, ct, GridFamily >.
>
> const Codim< 0 >::GlobalIdSet & globalIdSet () const
>  	return const reference to the grids global id set
>
> const Codim< 0 >::LocalIdSet & localIdSet () const
>  	return const reference to the grids local id set 
>
> Would you mind to make it more clear? Especially the differences of two.
> Thanks a lot!
>
> Cheers,
> Hua
>
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>   


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