Comment 2 for bug 908146

On 3 January 2012 09:03, Johan Hake <email address hidden> wrote:
> On Friday December 23 2011 16:24:37 Garth Wells wrote:
>> Public bug reported:
>>
>> It would be useful to have a simple and robust way to create a P0
>> Function from a CellFunction<double/int>. It should be very simple to
>> implement, but it must make no assumptions on the dof map.
>>
>> ** Affects: dolfin
>>      Importance: Undecided
>>          Status: New
>
>
> Then we need to precompile the ufc::element and ufc::dof_map. I am not against
> this but we had some objections against it when it was removed.

From C++ we can require a user to supply the FunctionSpace. From
Python it can be generated via JIT.

> If we deside
> on it it would be nice to have a similare functionality for VertexFunctions
> which maps to P1 continuous Functions, maybe also something for the
> FacetFunctions?
>

Maybe, but MeshFunctions and FE functions in these cases are not
really the same thing.

Garth

> Johan
>
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> https://bugs.launchpad.net/bugs/908146
>
> Title:
>  Should be a method to create a  P0 Function from a CellFunction
>
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