; Copyright (c) 1998-2000 A.P. Hitchcock  All rights reserved 
;+ 
;NAME: 
;	IMG_COM.PRO 
; 
;LAST CHANGED: ----------------------------------- 15-apr-00 
; 
;PURPOSE: 
;	This defines the common block which is used for SPEM image display. 
; 
;CATEGORY: 
;	AXIS: utility 
; 
;CALLING SEQUENCE:  include file 
; 
;CALLED FROM AXIS: 
;	->images->SPEM 
; 
;MODIFICATION HISTORY: 
; (15-apr-00 aph) AXIS standard documentation 
;- 
 
common IMG_COM, $ 
  display_width, display_height, $    ; Size of image window 
  image_width, image_height,     $    ; Size of image 
  black_level, white_level,      $    ; Display level limits 
  x_cent_d, y_cent_d,            $    ; Device coordinates of center of image 
  x_zoom, y_zoom,                $    ; Zoom factors 
  zoom_mode,                     $    ; 0=replicate, 1=interpolate 
  raw_data,                      $    ; Raw data being displayed 
  display_buff                        ; Scaled byte array of data to display 
