DMSetCoordinateDisc

Set a coordinate space

Synopsis

#include "petscdm.h"          
PetscErrorCode DMSetCoordinateDisc(DM dm, PetscFE disc, PetscBool project)

Input Parameters

• dm - The DM object

• disc - The new coordinate discretization or NULL to ensure a coordinate discretization exists

• project - Project coordinates to new discretization

Notes

A PetscFE defines an approximation space using a PetscSpace, which represents the basis functions, and a PetscDualSpace, which defines the interpolation operation in the space.

This function takes the current mesh coordinates, which are discretized using some PetscFE space, and projects this function into a new PetscFE space. The coordinate projection is done on the continuous coordinates, but the discontinuous coordinates are not updated.

Developer Note

With more effort, we could directly project the discontinuous coordinates also.

See Also

DM, PetscFE, DMGetCoordinateField()

Level

intermediate

Location

src/dm/interface/dmcoordinates.c

Examples

src/dm/impls/plex/tutorials/ex8.c

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