;+
; NAME:
;  wrim
; PURPOSE: (one line)
;  Write the contents of a window or device to a graphics file
; CATEGORY:
;  Graphics
; CALLING SEQUENCE:
;  wrim, filename
; INPUTS:
;  filename : A string containing the name of file to be written.
; KEYWORD PARAMETERS:
; PROCEDURE
;  At some point (2007 May 8) - write_tiff was not found, so this uses "obsolete" tiff_write
; MODIFICATION HISTORY:
;  Written 2008 May 8, by Leslie Young, SwRI
;  2016 Mar 22 LAY. Added header documentation.  
;-

pro wrim, fn, im, norm = norm

    ; replaces write_png

    if strmatch(fn, '*.tif') or strmatch(fn, '*.tiff') then begin 
       tiff_write, fn, im
    endif else begin 
      tiff_write, fn+'.tif', im
      spawn, 'convert ' + fn+'.tif ' + fn
      if not keyword_set(norm) then begin
         spawn, 'rm ' + fn + '.tif'
      endif
    endelse


end