/*----------------------------------------------------------------------------
   
   File name    :   jitter_offset.h
   Author       :	Nicolas Devillard
   Created on   :	Oct 16, 1997
   Description  :	frame offset estimation for jitter imaging	

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

/*
	$Id: jitter_offset.h,v 1.2 2000/10/11 15:30:40 ndevilla Exp $
	$Author: ndevilla $
	$Date: 2000/10/11 15:30:40 $
	$Revision: 1.2 $
 */

#ifndef _JITTER_OFFSET_H_
#define _JITTER_OFFSET_H_

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

#include "eclipse.h"
#include "jitter_engine.h"


/*-------------------------------------------------------------------------*/
/**
  @name     get_offsets_from_fits_header
  @memo     Get an offset list from the FITS headers.
  @param    cfg     Jitter blackboard.
  @return   1 new double3 object.
  @doc
 
  This function is SOFI/ISAAC specific. It recovers the offset information
  from the input file FITS headers. The returned object must be deallocated
  using double3_del().
 */
/*--------------------------------------------------------------------------*/

double3 *
get_offsets_from_fits_header(jitter_config * cfg) ;


/*-------------------------------------------------------------------------*/
/**
  @name     jitter_dump_offsets_file
  @memo     Dump offset information to an ASCII file.
  @param    cfg         Jitter blackboard.
  @param    offs        Offsets.
  @param    estimates   Initial estimates.
  @return   void
  @doc
 
  This function dumps the offset information to an ASCII file for later
  control. It also updates the blackboard by storing the offset errors.
 */
/*--------------------------------------------------------------------------*/

void
jitter_dump_offsets_file(
    jitter_config   *   cfg,
    double3  		*   offs,
    double3  		*   estimates
);

#endif