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

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


#ifndef _LWJIT_OFFSET_H_
#define _LWJIT_OFFSET_H_



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

#include "eclipse.h"
#include "lwjit_bb.h"
#include "lwjit_engine.h"


/*-------------------------------------------------------------------------*/
/**
  @name     get_offsets_from_fits_header
  @memo     Get an offset list from the FITS headers.
  @param    bb      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(lwjit_bb * bb) ;


/*-------------------------------------------------------------------------*/
/**
  @name     jitter_dump_offsets_file
  @memo     Dump offset information to an ASCII file.
  @param    bb          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(
    lwjit_bb * bb,
    double3  *   offs,
    double3  *   estimates
);



#endif