Parallel X Graphics

The available graphics routines are shown in Table . For arguments, see the man pages.

 

Table: MPE Graphics routines.

Control Routines
MPE_Open_graphics	(collectively) opens an X display
MPE_Close_graphics	Closes a X11 graphics device
MPE_Update	Updates an X11 display
Output Routines
MPE_Draw_point	Draws a point on an X display
MPE_Draw_points	Draws points on an X display
MPE_Draw_line	Draws a line on an X11 display
MPE_Draw_circle	Draws a circle
MPE_Fill_rectangle	Draws a filled rectangle on an X11 display
MPE_Draw_logic	Sets logical operation for new pixels
MPE_Line_thickness	Sets thickness of lines
MPE_Make_color_array	Makes an array of color indices
MPE_Num_colors	Gets the number of available colors
MPE_Add_RGB_color	Add a new color
Input Routines
MPE_Mouse_watch	Ask for mouse events
MPE_Mouse_get	Get current coordinates of the mouse
MPE_Mouse_check	Check if the mouse has been active
MPE_Mouse_wait	Wait for mouse press event
MPE_Drag_start	Initiate drag (button press)
MPE_Drag_check	Check if drag is complete (release)
MPE_Tk_connect	Connect to a Tk window

 

An example of the use of the mpe graphics library can be found in the directory mpich/mpe/contrib/mandel. Do

    make
    mpirun -np 4 pmandel

and you will see a parallel Mandelbrot calculation algorithm that exploits several features of the mpe graphics library.