PETSc version 3.17.4
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# DMPlexSetMigrationSF

Sets the SF for migrating from a parent DM into this DM

### Synopsis

    #include "petscdmplex.h"
    PetscErrorCode DMPlexSetMigrationSF(DM dm, PetscSF migrationSF)

### Input Parameters

| dm | - The DM
| naturalSF | - The PetscSF

Note: It is necessary to call this in order to have DMCreateSubDM() or DMCreateSuperDM() build the Global-To-Natural map

### See Also

DMPlexDistribute(), DMPlexDistributeField(), DMPlexCreateMigrationSF(), DMPlexGetMigrationSF()

### Level

intermediate

### Location

src/dm/impls/plex/plexnatural.c
Index of all DMPLEX routines
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