On Mon, May 29, 2023 at 5:47 PM YuSh Lo <ysjosh...@gmail.com> wrote:
> Hi,
>
> How to get the offset in global vector for the points not owned by this
> processor?
> I have a parallel DMPlex and a section assigned to it.
> GetSectionGetOffset with a global section returns -1 for the points not
> owned by this processor.
>
The easiest way to get it is to use DMGetLocalToGlobalMapping() to map the
local offset. This is
constructed from the global section, because it stores the global offset as
-(offset+1).
Thanks,
Matt
> Thanks,
> Josh
>
>
--
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/>
