% @(#)show_disp.hlq	19.1 (ESO-IPG) 02/25/03 14:03:45 
%++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
%.COPYRIGHT  (c)  1990 European Southern Observatory
%.IDENT      show_disp.hlq
%.AUTHOR     KB, IPG/ESO
%.KEYWORDS   MIDAS, help files, SHOW/DISPLAY
%.PURPOSE    On-line help file for the command: SHOW/DISPLAY
%.VERSION    1.0  13-FEB-1989 : Creation, KB
%----------------------------------------------------------------
\se
SECTION./DISP
\es\co
SHOW/DISPLAY					26-JUN-2003   KB
\oc\su
SHOW/DISPLAY [option]
	show current status of ImageDisplay + Graphics
\us\pu
Purpose:
          Show current status of Display and Graphics Window.
\up\sub
Subject:
          Image Display
\bus\sy
Syntax:
          SHOW/DISPLAY [option]
\ys\pa
          option = ALL 
	      show a list of all opened display/graphics
              windows, their parent window and their subwindows (if any);
              by default this option is omitted and detailed info about the
              currently active display and graphics window is displayed
	         = IDI
	      show internal structures of IDI routines
	      (see snapshot.prg for details)
\ap\sa
See also:
          SHOW/CHANNEL
\as\no
Note:  
             For option = ALL, the char. keyword OUTPUTC is filled with 
          a string depicting all current windows, using 2 chars. per window.
          The first char. = i (display) or g (graphics), the second char.
          is the display/graphics id (no.) in Midas. 
          E.g.  "i0g1i4g9    "  if you have display windows 0 and 4, 
          as well as graphics windows 1 and 9 on the screen.

             If no option is given (the default), the elements 1, ..., 14 
          of integer keyword OUTPUTI are filled with the displayed values 
          as follows:
          No. of active display, x-dim, y-dim, depth of display,   (1 - 4)
          No. of image channels, x-dim, y-dim, depth of channels,  (5 - 8)
          active image channel, No. of LUTs, size of LUT,          (9 - 11)
          No. of active graphics, x-dim, y-dim of graphics window. (12 - 14)
          If no display w. active, OUTPUTI(1) = -1;
          if no graphics w. active, OUTPUTI(12) = -1.
\on\exs
Examples:
\ex
          SHOW/DISPLAY 
           Display status of the currently active ImageDisplay and 
           GraphicsWindow.
\xe \ex
          SHOW/DISPLAY all
           Show a list of all existing display/graphics windows.
\xe \sxe
