petsc-3.13.6 2020-09-29
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DMPlexRemapGeometry

 This function maps the original DM coordinates to new coordinates.

Synopsis

#include "petscdmplex.h"   
#include "petscfe.h"       
PetscErrorCode DMPlexRemapGeometry(DM dm, PetscReal time,
                                   void (*func)(PetscInt, PetscInt, PetscInt,
                                                const PetscInt[], const PetscInt[], const PetscScalar[], const PetscScalar[], const PetscScalar[],
                                                const PetscInt[], const PetscInt[], const PetscScalar[], const PetscScalar[], const PetscScalar[],
                                                PetscReal, const PetscReal[], PetscInt, const PetscScalar[], PetscScalar[]))
Not collective

Input Parameters

dm - The DM
time - The time
func - The function transforming current coordinates to new coordaintes

Calling sequence of func

   func(PetscInt dim, PetscInt Nf, PetscInt NfAux,

        const PetscInt uOff[], const PetscInt uOff_x[], const PetscScalar u[], const PetscScalar u_t[], const PetscScalar u_x[],

        const PetscInt aOff[], const PetscInt aOff_x[], const PetscScalar a[], const PetscScalar a_t[], const PetscScalar a_x[],

        PetscReal t, const PetscReal x[], PetscInt numConstants, const PetscScalar constants[], PetscScalar f[]);

dim - The spatial dimension
Nf - The number of input fields (here 1)
NfAux - The number of input auxiliary fields
uOff - The offset of the coordinates in u[] (here 0)
uOff_x - The offset of the coordinates in u_x[] (here 0)
u - The coordinate values at this point in space
u_t - The coordinate time derivative at this point in space (here NULL)
u_x - The coordinate derivatives at this point in space
aOff - The offset of each auxiliary field in u[]
aOff_x - The offset of each auxiliary field in u_x[]
a - The auxiliary field values at this point in space
a_t - The auxiliary field time derivative at this point in space (or NULL)
a_x - The auxiliary field derivatives at this point in space
t - The current time
x - The coordinates of this point (here not used)
numConstants - The number of constants
constants - The value of each constant
f - The new coordinates at this point in space

See Also

DMGetCoordinates(), DMGetCoordinatesLocal(), DMGetCoordinateDM(), DMProjectFieldLocal(), DMProjectFieldLabelLocal()

Level

intermediate

Location

src/dm/impls/plex/plexgeometry.c
Index of all DMPLEX routines
Table of Contents for all manual pages
Index of all manual pages