[petsc-users] IS map for sub mesh

[Dharmendar Reddy]

Hello Matthew,
                        Did you get time to look into this request. A
single call would be nicer....some thing like..
DMPlexGetSubpointStratumIS(DM dm, depth, IS) ? That ways no need to provide
Fortran bindings to DMLabel and related functions.....

I could create my wrapper code...can you tell me how to do this ?

get The IS using  DMPlexCreateSubpointIS

create a new IS but with size IS for a given depth. I am thinking
clone the original IS and resize
...is there a functionality for resizing ? or chopping the IS from
startId to endId to get new IS

Thanks
Reddy



On Thu, Apr 25, 2013 at 3:57 PM, Matthew Knepley <knepley at gmail.com> wrote:

> On Thu, Apr 25, 2013 at 4:48 PM, Dharmendar Reddy <dharmareddy84 at gmail.com
> > wrote:
>
>>
>>
>>
>> On Thu, Apr 25, 2013 at 3:31 PM, Matthew Knepley <knepley at gmail.com>wrote:
>>
>>> On Thu, Apr 25, 2013 at 3:35 PM, Dharmendar Reddy <
>>> dharmareddy84 at gmail.com> wrote:
>>>
>>>> Hello,
>>>>  I need to access the map from points in subdm to points in dm. Can you
>>>> please provide fortran binding for
>>>>
>>>> DMPlexCreateSubpointIS(DM dm, IS *subpointIS)
>>>>
>>>> Pushed to next.
>>>
>>>
>>>>  Also, i was thinking it may be of use to have interface like this..
>>>>
>>>> DMPlexCreateSubpointIS(DM dm, PetscInt pointDimInSubdm, IS *subpointIS)
>>>>
>>>> this way i can have map from say (dim)-cells in subdm to corresponding
>>>> (dim)-cells in dm.
>>>>
>>>
>>> The intention here is to use DMPlexGetSubpointMap().
>>>
>>>     So, i should do the calls below ?
>>
>> DMPlexGetSubpointMap(DM dm, DMLabel subpointMap)
>>
>> DMLabelGetStratumIS(subpointMap,depth,IS)
>>
>>
>> I have had trouble using DMLabel in my fortran code earlier.
>> I can give it a try again, Is there a fortran binding for above functions ?
>>
>>
> Hmm, I have not tested it. I will put it in an example.
>
>   Thanks,
>
>      Matt
>
>
>> Thanks
>> Reddy
>>
>>
>>
>>
>>
>>>    Matt
>>>
>>>
>>>>
>>>> thanks
>>>> Reddy
>>>>
>>>> --
>>>> -----------------------------------------------------
>>>> Dharmendar Reddy Palle
>>>> Graduate Student
>>>> Microelectronics Research center,
>>>> University of Texas at Austin,
>>>> 10100 Burnet Road, Bldg. 160
>>>> MER 2.608F, TX 78758-4445
>>>> e-mail: dharmareddy84 at gmail.com
>>>> Phone: +1-512-350-9082
>>>> United States of America.
>>>> Homepage: https://webspace.utexas.edu/~dpr342
>>>>
>>>
>>>
>>>
>>> --
>>> What most experimenters take for granted before they begin their
>>> experiments is infinitely more interesting than any results to which their
>>> experiments lead.
>>> -- Norbert Wiener
>>>
>>
>>
>>
>> --
>> -----------------------------------------------------
>> Dharmendar Reddy Palle
>> Graduate Student
>> Microelectronics Research center,
>> University of Texas at Austin,
>> 10100 Burnet Road, Bldg. 160
>> MER 2.608F, TX 78758-4445
>> e-mail: dharmareddy84 at gmail.com
>> Phone: +1-512-350-9082
>> United States of America.
>> Homepage: https://webspace.utexas.edu/~dpr342
>>
>
>
>
> --
> What most experimenters take for granted before they begin their
> experiments is infinitely more interesting than any results to which their
> experiments lead.
> -- Norbert Wiener
>



-- 
-----------------------------------------------------
Dharmendar Reddy Palle
Graduate Student
Microelectronics Research center,
University of Texas at Austin,
10100 Burnet Road, Bldg. 160
MER 2.608F, TX 78758-4445
e-mail: dharmareddy84 at gmail.com
Phone: +1-512-350-9082
United States of America.
Homepage: https://webspace.utexas.edu/~dpr342
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