ViewerDrawOpen
Opens an X window for use as a viewer. If you want to do graphics in this window, you must call ViewerDrawGetDraw() and perform the graphics on the Draw object.
Synopsis
int ViewerDrawOpen(MPI_Comm comm,const char display[],const char title[],int x,int y,
int w,int h,Viewer *viewer)
Collective on MPI_Comm
Input Parameters
comm | - communicator that will share window
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display | - the X display on which to open, or null for the local machine
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title | - the title to put in the title bar, or null for no title
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x, y | - the screen coordinates of the upper left corner of window
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w, h | - the screen width and height in pixels
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Output Parameters
viewer -the viewer
Format Options
VIEWER_FORMAT_DRAW_BASIC | - displays with basic format
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VIEWER_FORMAT_DRAW_LG | - displays using a line graph
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Options Database Keys
ViewerDrawOpen() calls DrawOpen(), so see the manual page for
DrawOpen() for runtime options, including
-draw_type x or null | - . -nox - Disables all x-windows output
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-display <name> | - Specifies name of machine for the X display
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-draw_pause <pause> | - Sets time (in seconds) that the
program pauses after DrawPause() has been called
(0 is default, -1 implies until user input).
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Note for Fortran Programmers
Whenever indicating null character data in a Fortran code,
PETSC_NULL_CHARACTER must be employed; using PETSC_NULL is not
correct for character data! Thus, PETSC_NULL_CHARACTER can be
used for the display and title input parameters.
Keywords
draw, open, x, viewer
See Also
DrawOpen(), ViewerDestroy(), ViewerDrawGetDraw(), ViewerCreate(), VIEWER_DRAW_,
VIEWER_DRAW_WORLD, VIEWER_DRAW_SELF
Examples
src/vec/examples/tutorials/ex3f.F
src/vec/examples/tutorials/ex3.c
src/snes/examples/tutorials/ex2.c
src/snes/examples/tutorials/ex3.c
Level:beginner
Location:src/sys/src/viewer/impls/draw/drawv.c
Viewer Index
Table of Contents