DMGetField

Return the DMLabel and discretization object for a given DM field

Synopsis

#include "petscdm.h"          
#include "petscdmlabel.h"     
#include "petscds.h"     
PetscErrorCode DMGetField(DM dm, PetscInt f, DMLabel *label, PetscObject *disc)

Not Collective

Input Parameters

• dm - The DM

• f - The field number

Output Parameters

• label - The label indicating the support of the field, or NULL for the entire mesh (pass in NULL if not needed)

• disc - The discretization object (pass in NULL if not needed)

See Also

DM Basics, DM, DMAddField(), DMSetField()

Level

intermediate

Location

src/dm/interface/dm.c

Examples

src/snes/tutorials/ex63.c
src/snes/tutorials/ex69.c
src/ts/tutorials/ex30.c
src/snes/tutorials/ex77.c
src/dm/impls/plex/tutorials/ex15.c
src/ts/tutorials/ex76.c
src/ts/tutorials/ex77.c
src/ts/tutorials/ex46.c
src/snes/tutorials/ex56.c
src/snes/tutorials/ex62.c

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Index of all DM routines
Table of Contents for all manual pages
Index of all manual pages