how to map the node number from global to local

[Barry Smith]

  ISLocalToGlobalMappingCreate() and its friends like  
ISGlobalToLocalMappingApply()

    Barry

On Feb 20, 2009, at 2:37 PM, Yixun Liu wrote:

> Hi,
> I partitioned a mesh into 4 parts. Each parts use global numbering.  
> Now
> I want to map the global numbering to local numbering for each part.
> Does PETSc provide some methods to facilitate it?
>
> Thanks.
>
> Yixun