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/* $Id: vimos_chop_region.c,v 1.7 2015/08/07 13:07:15 jim Exp $
*
* This file is part of the VIMOS Pipeline
* 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 13:07:15 $
* $Revision: 1.7 $
* $Name: $
*/
/* Includes */
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <cpl.h>
#include "vimos_imaging_utils.h"
#include "vimos_mods.h"
#include <casu_fits.h>
#include <casu_utils.h>
#include <casu_stats.h>
/**@{*/
/*---------------------------------------------------------------------------*/
/**
\ingroup reductionmodules
\brief Chop a previously defined region from an image
\par Name:
vimos_chop_region
\par Purpose:
Chop a previously defined region from an image
\par Description:
Regions of bad confidence and poor flat fielding have been
defined and hardcoded for each detector. This routine removes
these regions from an image.
\par Language:
C
\param in
The input data image (overwritten by result).
\param nextn
The extension number for the current image
\param status
An input/output status that is the same as the returned values below.
\retval CASU_OK
if everything is ok
\retval CASU_FATAL
if image data fails to load
\par DRS headers:
The following DRS keywords are written to the infile extension header
- \b CHOPREG
The image section that's been included
- \b CHOPCOR
A flag to say that chopping has been done
\author
Jim Lewis, CASU
*/
/*---------------------------------------------------------------------------*/
int vimos_chop_region(casu_fits *in, int nextn, int *status) {
int imin,imax,jmin,jmax,oldnew;
float crpix;
cpl_propertylist *plist;
cpl_image *im1,*im2;
char reg[64];
/* Inherited status */
if (*status != CASU_OK)
return(*status);
/* Check that this hasn't aready been done... */
plist = casu_fits_get_ehu(in);
if (cpl_propertylist_has(plist,"ESO DRS CHOPCOR"))
return(*status);
/* Get the right trim region */
(void)vimos_load_trimreg(plist,&oldnew);
if (oldnew == 1) {
imin = trimreg_old[nextn-1][0];
imax = trimreg_old[nextn-1][1];
jmin = trimreg_old[nextn-1][2];
jmax = trimreg_old[nextn-1][3];
} else {
imin = trimreg_new[nextn-1][0];
imax = trimreg_new[nextn-1][1];
jmin = trimreg_new[nextn-1][2];
jmax = trimreg_new[nextn-1][3];
}
/* OK, subset the input image */
im1 = casu_fits_get_image(in);
im2 = cpl_image_extract(im1,(cpl_size)imin,(cpl_size)jmin,(cpl_size)imax,
(cpl_size)jmax);
casu_fits_replace_image(in,im2);
(void)sprintf(reg,"[%d:%d,%d:%d]",imin,imax,jmin,jmax);
/* Flag that we've done this... */
cpl_propertylist_append_string(plist,"ESO DRS CHOPREG",reg);
cpl_propertylist_set_comment(plist,"ESO DRS CHOPREG",
"Region kept from original image");
cpl_propertylist_append_bool(plist,"ESO DRS CHOPCOR",1);
cpl_propertylist_set_comment(plist,"ESO DRS CHOPCOR",
"Regions have been chopped");
/* Modify the WCS if we can */
if (cpl_propertylist_has(plist,"CRPIX2")) {
if (cpl_propertylist_get_type(plist,"CRPIX2") == CPL_TYPE_FLOAT) {
crpix = cpl_propertylist_get_float(plist,"CRPIX2");
crpix -= (float)(jmin - 1);
cpl_propertylist_set_float(plist,"CRPIX2",crpix);
} else {
crpix = (float)cpl_propertylist_get_double(plist,"CRPIX2");
crpix -= (float)(jmin - 1);
cpl_propertylist_set_double(plist,"CRPIX2",(double)crpix);
}
}
return(CASU_OK);
}
/*
$Log: vimos_chop_region.c,v $
Revision 1.7 2015/08/07 13:07:15 jim
Fixed copyright to ESO
Revision 1.6 2015/06/25 11:54:07 jim
Fixed includes to casu
Revision 1.5 2015/05/01 09:02:22 jim
Modified to pass detector name information differently so that Mac compiler
doesn't gripe
Revision 1.4 2015/01/29 12:07:30 jim
Modified comments
Revision 1.3 2013/11/21 12:49:18 jim
Fixed to have separate trim regions for old and new chipsets
Revision 1.2 2013/11/21 09:39:08 jim
detabbed
Revision 1.1 2013/11/05 05:54:46 jim
New entry
*/
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