casu_gaincor.c

/* $Id: casu_gaincor.c,v 1.2 2015/08/07 13:06:54 jim Exp $
 *
 * This file is part of the CASU Pipeline utilities
 * Copyright (C) 2015 European Southern Observatory
 *
 * This program 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, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
 
/*
 * $Author: jim $
 * $Date: 2015/08/07 13:06:54 $
 * $Revision: 1.2 $
 * $Name:  $
 */
 
/* Includes */
 
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
 
#include "casu_mods.h"
#include "catalogue/casu_utils.h"
#include "catalogue/casu_fits.h"

 
/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
 
extern int casu_gaincor(casu_fits *infile, float gainscl, int *status) {
    cpl_image *i;
    cpl_propertylist *oplist;
 
    /* Inherited status */
 
    if (*status != CASU_OK)
        return(*status);
 
    /* Do we need to be here? */
 
    if (cpl_propertylist_has(casu_fits_get_ehu(infile),"ESO DRS GAINCOR"))
        return(*status);
 
    /* Get the images and check the dimensions of each */
 
    i = casu_fits_get_image(infile);
 
    /* If the factor is zero or negative, then send a warning out and
       don't do the scaling. Otherwise scale the image */
 
    if (gainscl <= 0.0) {
        WARN_CONTINUE
    } else {
        cpl_image_multiply_scalar(i,gainscl);
    }
 
    /* Now put some stuff in the DRS extension... */
 
    oplist = casu_fits_get_ehu(infile);
    if (oplist != NULL) {
        cpl_propertylist_update_float(oplist,"ESO DRS GAINCOR",gainscl);
        cpl_propertylist_set_comment(oplist,"ESO DRS GAINCOR",
                                     "Gain correction factor");
    } else 
        WARN_CONTINUE
 
    /* Get out of here */
 
    return(*status);
}

 
/*
 
$Log: casu_gaincor.c,v $
Revision 1.2  2015/08/07 13:06:54  jim
Fixed copyright to ESO
 
Revision 1.1.1.1  2015/06/12 10:44:32  jim
Initial import
 
Revision 1.4  2015/01/29 11:48:15  jim
modified comments
 
Revision 1.3  2014/03/26 15:42:10  jim
Fixed minor bug
 
Revision 1.2  2013/11/21 09:38:13  jim
detabbed
 
Revision 1.1.1.1  2013-08-27 12:07:48  jim
Imported
 
 
*/