[Dune] Maximal level difference

[Andreas Dedner]

Hi.
Independent of the question if you want to have it in utility, it should
be a method on UG
I think The details of the adaptation process in UG are already handled
quite a few methods
(at least setRefinementType setClosureType).
Isn't what you are suggestion only a special refinement type (or a
closure type)?
So, would you actually need a new method?
Best
Andreas

On 29/11/10 13:44, Carsten Gräser wrote:
> Sorry, I forgot another issue regarding this:
>
> Am 29.11.2010 14:35, schrieb Carsten Gräser:
>   
>> Dear dune,
>> in dune-subgrid we implemented a simple method to automatically
>> add refinement marks and remove coarsening marks such that
>> the level of neighboring elements differs at most by a user
>> defined number. (ALUGrid e.g. does this internally).
>>
>> As someone asked for this functionality in UGGrid I extracted
>> this using the grid interface only. This might also be helpfull
>> for other third party grid implementations.
>>
>> Are there any objections to add this to dune/grid/utility?
>>     
> We could also add a method
>
>   setMaxLevelDifference(unsigned int level)
>
> to UGGrid and call the utility-function from within
> UGGrid::preAdapt() internally. On the one hand this
> would make it a little easier to write portable code,
> on the other hand it's essentially syntactic candy
> that blows up the UGGrid interface (by one method).
>
> Furthermore I'm not sure if the name is good. Currently
> the function is called
>
>   template<class GridType>
>   static void enforceNeighborLevelDifference(GridType& grid, int maxLevelDiff);
>
> Any opinions?
>
> Regards,
> Carsten
>
> PS: You can find the full implementation attached.
>
>   
>
>
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