petsc-3.7.3 2016-07-24
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# DMLabelGather

Gather all label values from leafs into roots

### Synopsis

    #include "petscdmlabel.h"
    #include "petscis.h"
    PetscErrorCode DMLabelGather(DMLabel label, PetscSF sf, DMLabel *labelNew)

### Input Parameters

| label | - the DMLabel
| point | - the Star Forest point communication map

### Input Parameters

| label | - the new DMLabel with localised leaf values

Note: This is the inverse operation to DMLabelDistribute.

### See Also

DMLabelDistribute()

Level:developer
Location: src/dm/labeldmlabel.c
Index of all DM routines
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Index of all manual pages