PetscSetDisplay — PETSc 3.25.2 documentation

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# PetscSetDisplay

Determine and set PETSc’s X11 display string from the `-display` option, the `DISPLAY` environment variable, or the hostname of MPI rank 0 when running across multiple nodes

## Synopsis

    PetscErrorCode PetscSetDisplay(void)

Collective; No Fortran Support

## Note

Called automatically by `PetscInitialize()` so that subsequent `PetscDraw` X11 windows have a usable display target.

## See Also

`PetscGetDisplay()`, `PetscDraw`, `PETSC_DRAW_X`

## Level

developer

## Location

src/sys/utils/pdisplay.c

Index of all Sys routines
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Index of all manual pages