/*---------------------------------------------------------------------------
   
   File name 	:	deghost.h
   Author 		:	N. Devillard
   Created on	:	January 2001
   Description	:	ISAAC deghosting routines.

 *--------------------------------------------------------------------------*/

/*
	$Id: deghost.h,v 1.1 2001/07/03 09:30:41 ndevilla Exp $
	$Author: ndevilla $
	$Date: 2001/07/03 09:30:41 $
	$Revision: 1.1 $
*/


#ifndef _IS_DEGHOST_H_
#define _IS_DEGHOST_H_

/*---------------------------------------------------------------------------
   								Includes
 ---------------------------------------------------------------------------*/

#include "eclipse.h"


/*---------------------------------------------------------------------------
  							Function prototypes
 ---------------------------------------------------------------------------*/


/*-------------------------------------------------------------------------*/
/**
  @name		isaac_deghost_image
  @memo		Remove the ghost from an ISAAC frame.
  @param	in		Image to process.
  @return	1 newly allocated image or NULL if error occurred.
  @doc

  This functions applies the ghost removal algorithm for ISAAC frames.
  The returned frame is newly allocated, it must be destroyed using
  destroy_image().
 */
/*--------------------------------------------------------------------------*/


image_t * isaac_deghost_image(image_t * in);

/*-------------------------------------------------------------------------*/
/**
  @name		isaac_deghost_cube
  @memo		Remove the ghost from an ISAAC cube.
  @param	cu		Image to process.
  @return	int 0 if Ok, -1 otherwise.
  @doc

  This functions applies the ghost removal algorithm for ISAAC frames. The
  input cube frames are modified.
 */
/*--------------------------------------------------------------------------*/

int isaac_deghost_cube(cube_t * cu);


/*-------------------------------------------------------------------------*/
/**
  @name		isaac_ghost_removal
  @memo		remove ISAAC electrical ghost from an ISAAC image
  @param	filename	input FITS image
  @param	force_flag	force flag
  @return	0 if ok, -1 otherwise
  @doc
  	New keywords are added to the header.
	GHOSTREM = 1
	GHOSTVER = 'Revision: x.y'
	If GHOSTREM is present and equal to 1, and force_flag is 0, no action
	is performed on the file.
 */
/*--------------------------------------------------------------------------*/

int
isaac_ghost_removal(
	char 	* inname,
	int		  force_flag);

#endif