NAME

       hawki_step_combine - Jitter image combination recipe

SYNOPSIS

       esorex hawki_step_combine [OPTIONS] FILE.sof

DESCRIPTION

       hawki_step_combine -- hawki combine jitter images.

       The  files  listed  in  the  Set  Of  Frames  (sof-file) must be tagged: science-file.fits
       DIST_CORRECTED  or  science-file.fits  BKG_SUBTRACTED  or  bpm-file.fits  BPM   (optional)
       bkg_bpm-file.fits  BKG_BPM  (optional)  offsets-file.fits  OFFSETS_REFINED  (optional) The
       recipe creates as an output:  hawki_step_combine.fits  (COMBINED):  The  recipe  does  the
       following steps: -Allocate an image with the proper combined size
          (depends on parameters --comb_meth and --borders) -Retrieve the offsets either from the
       offsets-file.fits or from the header -For each combined pixel, the  contribution  of  each
       individual frame
          is added using a resampling kernel. If any of the pixels involved in
          the resampling is a bad pixel (defined in bpm-file.fits), it is not
          taken into account.

          With  the  remaining  pixels  a minmax rejection is performed Return code: esorex exits
       with an error code of 0 if the recipe completes successfully or 1 otherwise

OPTIONS

       --offset_max <long>
              Maximum offset allowed (long; default: 1500). The full name of this option for  the
              EsoRex configuration file is hawki.hawki_step_combine.offset_max [default = 1500].

       --comb_meth <str>
              Final size of combination (union / inter / first) (str; default: ´union´). The full
              name    of    this    option    for    the    EsoRex    configuration    file    is
              hawki.hawki_step_combine.comb_meth [default = union].

       --rej <str>
              Low and high number of rejected values (str; default: ´1,1´). The full name of this
              option for the EsoRex configuration file is hawki.hawki_step_combine.rej [default =
              1,1].

       --borders <long>
              Border  pixels  trimmed  (long;  default:  4). The full name of this option for the
              EsoRex configuration file is hawki.hawki_step_combine.borders [default = 4].

       --resamp_kernel <str>
              Resampling  kernel  (default/tanh/sinc/sinc2/lanczos/hamming/hann)  (str;  default:
              ´default´).  The  full  name  of  this  option for the EsoRex configuration file is
              hawki.hawki_step_combine.resamp_kernel [default = default].

       Note that it is possible to create a configuration file containing  these  options,  along
       with  suitable default values. Please refer to the details provided by the 'esorex --help'
       command.

SEE ALSO

       The full documentation for the hawki pipeline can be downloaded as a PDF  file  using  the
       following URL:

              ftp://ftp.eso.org/pub/dfs/pipelines/hawki/hawki-pipeline-manual-1.8.18.pdf

       An   overview   over   the   existing   ESO  pipelines  can  be  found  on  the  web  page
       http://www.eso.org/sci/software/pipelines/.

       Basic documentation about the EsoRex program can be found at the esorex (1) man page.

       It is possible to call the pipelines  from  python  using  the  python-cpl  package.   See
       http://packages.python.org/python-cpl/index.html for further information.

       The  other  recipes  of the hawki pipeline are hawki_cal_dark(7), hawki_cal_distortion(7),
       hawki_cal_flat(7),  hawki_cal_zpoint(7),  hawki_sci_jitter(7),   hawki_step_apply_dist(7),
       hawki_step_basic_calib(7),       hawki_step_compute_bkg(7),      hawki_step_detect_obj(7),
       hawki_step_photom_2mass(7),       hawki_step_refine_offsets(7),       hawki_step_stats(7),
       hawki_step_stitch(7),           hawki_step_subtract_bkg(7),          hawki_tec_filtchk(7),
       hawki_util_gendist(7), hawki_util_stdstars(7)

VERSION

       hawki_step_combine 1.8.18

AUTHOR

       Cesar Enrique Garcia Dabo <usd-help@eso.org>

BUG REPORTS

       Please report any problems to usd-help@eso.org. Alternatively, you may send  a  report  to
       the ESO User Support Department <usd-help@eso.org>.

LICENSE

       This  file  is  part  of  the  HAWKI  Instrument Pipeline Copyright (C) 2002,2011 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., 51 Franklin Street, Fifth Floor,
       Boston, MA 02110-1301 USA