PETSc version 3.15.5
DMPlexCreateOverlapLabel
Compute owner information for shared points. This basically gets two-sided for an SF. 
Synopsis
#include "petscdmplex.h"   
#include "petscdmlabel.h"  
PetscErrorCode DMPlexCreateOverlapLabel(DM dm, PetscInt levels, PetscSection rootSection, IS rootrank, PetscSection leafSection, IS leafrank, DMLabel *ovLabel)
Collective on dm
Input Parameters
|  | dm | - The DM | 
|  | levels | - Number of overlap levels | 
|  | rootSection | - The number of leaves for a given root point | 
|  | rootrank | - The rank of each edge into the root point | 
|  | leafSection | - The number of processes sharing a given leaf point | 
|  | leafrank | - The rank of each process sharing a leaf point | 
Output Parameter
|  | ovLabel | - DMLabel containing remote overlap contributions as point/rank pairings | 
See Also
 DMPlexDistributeOwnership(), DMPlexDistribute()
Level
developer
Location
src/dm/impls/plex/plexdistribute.c
Index of all DMPLEX routines
Table of Contents for all manual pages
Index of all manual pages