se2(partitioning)

[Matthew Knepley]

The coordinates are stored according to the PETSc numbering. You get
them using


http://www.mcs.anl.gov/petsc/petsc-as/snapshots/petsc-current/docs/manualpages/DA/DAGetCoordinates.html

   Matt

On Fri, Feb 20, 2009 at 12:25 PM, Yixun Liu <enjoywm at cs.wm.edu> wrote:

> Hi,
> In ex2, the following codes Change the element vertex information to the
> PETSc numbering.
>
> 705:AOCreateBasic <
> http://www.mcs.anl.gov/petsc/petsc-as/snapshots/petsc-3.0.0/docs/manualpages/AO/AOCreateBasic.html#AOCreateBasic>(PETSC_COMM_WORLD
> <
> http://www.mcs.anl.gov/petsc/petsc-as/snapshots/petsc-3.0.0/docs/manualpages/Sys/PETSC_COMM_WORLD.html#PETSC_COMM_WORLD>,gdata->nlocal,gdata->localvert,PETSC_NULL
> <
> http://www.mcs.anl.gov/petsc/petsc-as/snapshots/petsc-3.0.0/docs/manualpages/Sys/PETSC_NULL.html#PETSC_NULL
> >,&ao);
>  <
> http://www.mcs.anl.gov/petsc/petsc-as/snapshots/petsc-3.0.0/docs/manualpages/AO/AOCreateBasic.html#AOCreateBasic>710:AOApplicationToPetsc
> <
> http://www.mcs.anl.gov/petsc/petsc-as/snapshots/petsc-3.0.0/docs/manualpages/AO/AOApplicationToPetsc.html#AOApplicationToPetsc
> >(ao,3*gdata->mlocal_ele,gdata->ele);
>
> However, I cannot find the codes which are used to create an array or
> vector, which stores the coordinates according to the PETSc numbering.
> Without this array how we get the coordinate of the vertex of an element?
>
> Thanks.
>
>
>


-- 
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
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