;+
; NAME: os_2image
;
; 	wrapper for cube2image
;
; INPUTS:
; KEYWORDS:
; OUTPUTS:
;
; HISTORY:
; 	Began 2006-03-09 21:14:39 by Marshall Perrin 
;-

function os_2image,ptrstruct,method
	if ~(keyword_set(method)) then method = 'AVRG' ; can also be MED or SUM
													; must be capitalized.

	res = cube2image(ptrstruct.image,ptrstruct.noise,ptrstruct.flags,1,method)

	imout = { image: ptr_new(res.md_image,/no_copy), $
			noise: ptr_new(1./sqrt(res.md_weight),/no_copy),$
			flags: ptr_new(byte(9*res.mb_valid),/no_copy)}
		; mask out invalid pixels; prevents warnings in the future.
		invalid = where(res.mb_valid eq 0,invalidct)
		if invalidct gt 0 then (*(imout.noise))[invalid]=0
	
	return,imout

end