petsc-3.7.3 2016-08-01

PetscDrawSetFromOptions

Sets the graphics type from the options database. Defaults to a PETSc X windows graphics.

#include "petscdraw.h" 
#include "petscviewer.h" 
PetscErrorCode  PetscDrawSetFromOptions(PetscDraw draw)

Collective on PetscDraw

draw -the graphics context

	-nox	- do not use X graphics (ignore graphics calls, but run program correctly)
	-nox_warning	- when X windows support is not installed this prevents the warning message from being printed
	-draw_pause <pause amount>	- - -1 indicates wait for mouse input, -2 indicates pause when window is to be destroyed
	-draw_marker_type	- <x,point>
	-draw_save [optional filename]	- (X windows only) saves each image before it is cleared to a file
	-draw_save_final_image [optional filename]	- (X windows only) saves the final image displayed in a window
	-draw_save_movie	- converts image files to a movie at the end of the run. See PetscDrawSetSave()
	-draw_save_single_file	- saves each new image in the same file, normally each new image is saved in a new file with 'filename/filename_%d.ext'
	-draw_save_on_clear	- saves an image on each clear, mainly for debugging
	-draw_save_on_flush	- saves an image on each flush, mainly for debugging

Notes: Must be called after PetscDrawCreate() before the PetscDraw is used.