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       visir_img_ff - Flat field recipe


       esorex visir_img_ff [OPTIONS] FILE.sof


       This recipe computes the flatfield.

       The   files   listed   in   the   Set   Of   Frames   (sof-file)  must  be  tagged  either
       VISIR-flatfield-raw-file.fits IM_CAL_FLAT or VISIR-flatfield-raw-file.fits IM_TECH_FLAT or
       VISIR-flatfield-raw-file.fits      SPEC_CAL_FLAT      or     VISIR-flatfield-raw-file.fits

       The corresponding primary product will have a FITS card Ā“HIERARCH ESO  PRO  CATGĀ“  with  a
       value of IMG_FF or IMG_FF_TECH or SPEC_FF or SPEC_FF_TECH


       --low <float>
              Low  threshold  for  the bad pixel map (float; default: 0.2). The full name of this
              option for the EsoRex configuration file is visir.visir_img_ff.low [default = 0.2].

       --high <float>
              High threshold for the bad pixel map (float; default: 5.0). The full name  of  this
              option  for  the  EsoRex  configuration  file is visir.visir_img_ff.high [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'


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


       An   overview   over   the   existing   ESO  pipelines  can  be  found  on  the  web  page

       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 for further information.

       The  other  recipes  of  the  visir  pipeline  are visir_img_dark(7), visir_img_reduce(7),
       visir_img_trans(7), visir_old_img_combine(7), visir_old_img_phot(7), visir_old_spc_obs(7),
       visir_old_spc_obs_ech(7),         visir_old_spc_phot(7),        visir_old_spc_phot_ech(7),
       visir_old_spc_wcal(7),       visir_old_spc_wcal_ech(7),        visir_old_util_destripe(7),
       visir_spc_reduce(7),             visir_util_apply_calib(7),            visir_util_clip(7),
       visir_util_convert_weight(7),    visir_util_detect_shift(7),    visir_util_img_std_cat(7),
       visir_util_join(7),   visir_util_qc(7),   visir_util_repack(7),   visir_util_run_swarp(7),
       visir_util_spc_std_cat(7), visir_util_spc_txt2fits(7), visir_util_undistort(7)


       visir_img_ff 4.3.7


       Lars Lundin <>


       Please report any problems to Alternatively, you may send  a  report  to
       the ESO User Support Department <>.


       This  file  is  part  of  the  VISIR Instrument Pipeline Copyright (C) 2004, 2005 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 St, Fifth Floor, Boston,
       MA  02111-1307  USA