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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: 2011-12-02 14:15:28 $
* $Revision: 1.13 $
* $Name: not supported by cvs2svn $
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
/*---------------------------------------------------------------------------*/
/**
* @defgroup xsh_divide_flat Divide a frame by the flat (xsh_divide_flat)
* @ingroup drl_functions
*
* This module is a DRL function
*/
/*---------------------------------------------------------------------------*/
/**@{*/
/*---------------------------------------------------------------------------
Includes
----------------------------------------------------------------------------*/
#include <math.h>
#include <xsh_drl.h>
#include <xsh_pfits.h>
#include <xsh_error.h>
#include <xsh_msg.h>
#include <xsh_badpixelmap.h>
#include <xsh_data_order.h>
#include <xsh_data_grid.h>
/*---------------------------------------------------------------------------
Typedefs
---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------
Functions prototypes
---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------
Implementation
---------------------------------------------------------------------------*/
/**
* @brief divide PRE frame with the master FLAT frame
* @param[in] frame frame to divide
* @param[in] flat the master flat frame
* @param[in] tag prpo catg of the result frame
* @param[in] instr the xsh instrument
* @return the divide frame
*/
cpl_frame * xsh_divide_flat( cpl_frame * frame, cpl_frame * flat,
const char* tag, xsh_instrument* instr)
{
/* MUST BE DEALLOCATED in caller */
cpl_frame * result = NULL;
/* ALLOCATED locally */
xsh_pre* xframe = NULL;
xsh_pre* xflat = NULL;
char filename[256];
/* check input */
XSH_ASSURE_NOT_NULL(frame);
XSH_ASSURE_NOT_NULL(flat);
XSH_ASSURE_NOT_NULL(instr);
/* load the frames */
check( xframe = xsh_pre_load( frame, instr));
check( xflat = xsh_pre_load( flat, instr));
/* do the divide operation */
check( xsh_pre_divide( xframe, xflat, XSH_DIVIDE_FLAT_THRESH));
sprintf( filename, "%s.fits", tag);
/* save result */
check(result = xsh_pre_save (xframe, filename, tag,0));
check( cpl_frame_set_tag (result, tag));
cleanup:
if ( cpl_error_get_code() != CPL_ERROR_NONE) {
xsh_free_frame(&result);
}
xsh_pre_free( &xframe);
xsh_pre_free( &xflat);
return result;
}
/**@}*/
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