[petsc-users] Getting the connectivity from DMPlex

[Matthew Knepley]

On Wed, Aug 21, 2019 at 7:48 AM Jian Zhang - 3ME via petsc-users <
petsc-users at mcs.anl.gov> wrote:

> Hi Jed,
>
> Thank you very much. I tried to use DMPlexGetCone, but the output is the
> edge ids, not the vertice ids. For the function DMPlexGetClosureIndices,
> I can not find it in petsc4py. Do you know any alternative ways to solve
> this?
>
DMPlexGetClosure() should be in petsc4py. It also returns orientations,
which you can just filter out.

  Thanks,

     Matt


> Best,
>
> Jian
> ------------------------------
> *From:* Jed Brown <jed at jedbrown.org>
> *Sent:* 21 August 2019 13:42:41
> *To:* Jian Zhang - 3ME; petsc-users at mcs.anl.gov
> *Subject:* Re: [petsc-users] Getting the connectivity from DMPlex
>
> Jian Zhang - 3ME via petsc-users <petsc-users at mcs.anl.gov> writes:
>
> > Hi guys,
> >
> > I am trying to get the element connectivity from DMPlex. The input is
> the element id, and the output should be the vertice ids. Which function
> should I use to achieve this? Thanks in advance.
>
> See DMPlexGetCone or DMPlexGetClosureIndices.
>


-- 
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

https://www.cse.buffalo.edu/~knepley/ <http://www.cse.buffalo.edu/~knepley/>
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