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/* *
* This file is part of the ESO X-shooter Pipeline *
* Copyright (C) 2006 European Southern Observatory *
* *
* This library is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the Free Software *
* Foundation, 51 Franklin St, Fifth Floor, Boston, MA 02111-1307 USA *
* */
/*
* $Author: amodigli $
* $Date $
* $Revision: 1.19 $
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
/*----------------------------------------------------------------------------*/
/**
* @defgroup xsh_subtract_sky_nod Subtract Sky NOD Frames
* @ingroup drl_functions
*
* Function ...
*/
/*----------------------------------------------------------------------------*/
/**@{*/
/*-----------------------------------------------------------------------------
Includes
-----------------------------------------------------------------------------*/
#include <math.h>
#include <xsh_drl.h>
#include <xsh_badpixelmap.h>
#include <xsh_data_pre.h>
#include <xsh_data_order.h>
#include <xsh_data_wavemap.h>
#include <xsh_data_localization.h>
#include <xsh_data_rec.h>
#include <xsh_dfs.h>
#include <xsh_pfits.h>
#include <xsh_error.h>
#include <xsh_msg.h>
#include <xsh_fit.h>
#include <xsh_badpixelmap.h>
#include <cpl.h>
/*-----------------------------------------------------------------------------
Functions prototypes
-----------------------------------------------------------------------------*/
/*-----------------------------------------------------------------------------
Implementation
-----------------------------------------------------------------------------*/
static void save_pre_frame( cpl_frame * frame, xsh_instrument * instrument,
cpl_frame *B_frame)
{
xsh_pre *pre = NULL;
cpl_frame * res_frame = NULL ;
const char * fname = NULL ;
cpl_propertylist *list_B = NULL;
const char * name_B = NULL;
double ra_off_B, dec_off_B;
double ra_cumoff_B, dec_cumoff_B;
/* Load pre frame */
fname = cpl_frame_get_filename( frame);
name_B = cpl_frame_get_filename( B_frame);
check( pre = xsh_pre_load( frame, instrument));
check( list_B = cpl_propertylist_load( name_B, 0));
check( ra_off_B = xsh_pfits_get_ra_reloffset( list_B));
check( dec_off_B = xsh_pfits_get_dec_reloffset( list_B));
check( ra_cumoff_B = xsh_pfits_get_ra_cumoffset( list_B));
check( dec_cumoff_B = xsh_pfits_get_dec_cumoffset( list_B));
check( xsh_pfits_set_b_ra_reloffset( pre->data_header, ra_off_B));
check( xsh_pfits_set_b_dec_reloffset( pre->data_header, dec_off_B));
check( xsh_pfits_set_b_ra_cumoffset( pre->data_header, ra_cumoff_B));
check( xsh_pfits_set_b_dec_cumoffset( pre->data_header, dec_cumoff_B));
/* Save it */
check( res_frame = xsh_pre_save( pre, fname, "FRAME_PRE_FORMAT", 1));
cleanup:
xsh_pre_free( &pre);
xsh_free_propertylist( &list_B);
xsh_free_frame( &res_frame);
return;
}
/**
* Subtract A to B frames. Note that the order of input frames MUST be
* AB[B1A1...]. In the output frameset, we always have A-B, B-A, A1-B1, B1-A1
* in this order.
*
* @param raws_ord_set Raw frames frameset
* @param instrument Pointer to instrument structure
* @param mode_fast specify of fast mode is set
* @return Frameset of A-B and B-A frames
*/
/*****************************************************************************/
/*****************************************************************************/
cpl_frameset* xsh_subtract_sky_nod( cpl_frameset *raws_ord_set,
xsh_instrument *instrument, int mode_fast)
{
int i, size;
cpl_frameset* result = NULL;
const char* arm_name = NULL;
//char * a_b_name = NULL;
XSH_ASSURE_NOT_NULL( raws_ord_set);
XSH_ASSURE_NOT_NULL( instrument);
check( arm_name = xsh_instrument_arm_tostring( instrument));
check( size = cpl_frameset_get_size( raws_ord_set));
result = cpl_frameset_new();
for( i = 0; i< size; i += 2) {
char frame_name[256];
cpl_frame * a = NULL, * b = NULL, *a_b = NULL, *b_a = NULL;
check( a = cpl_frameset_get_frame( raws_ord_set, i)) ;
check( b = cpl_frameset_get_frame( raws_ord_set, i+1));
sprintf( frame_name, "SUBTRACTED_NOD_AB_%d_%s.fits", i/2, arm_name);
check( a_b = xsh_pre_frame_subtract( a, b, frame_name, instrument,1)) ;
save_pre_frame( a_b, instrument, b);
check(cpl_frameset_insert( result, a_b)) ;
xsh_add_temporary_file(frame_name);
if (mode_fast != CPL_TRUE){
/* check why the full subtraction is done again and we do not use B-A=-(A-B) */
sprintf( frame_name, "SUBTRACTED_NOD_BA_%d_%s.fits", i/2, arm_name);
check( b_a = xsh_pre_frame_subtract( b, a, frame_name, instrument,0)) ;
save_pre_frame( b_a, instrument, b);
check(cpl_frameset_insert( result, b_a)) ;
}
}
cleanup:
if ( cpl_error_get_code() != CPL_ERROR_NONE){
xsh_free_frameset( &result);
}
return result ;
}
/*****************************************************************************/
/**@}*/
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