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NAME

       visir_old_img_phot - Old DRS detector: Sensitivity computation

SYNOPSIS

       esorex visir_old_img_phot [OPTIONS] FILE.sof

DESCRIPTION

       This  recipe  computes  the  conversion  factor and the sentitivity of a standard star. It
       requires a standard star catalog.

       The   files   listed   in   the   Set   Of   Frames    (sof-file)    must    be    tagged:
       VISIR-std-star-observation.fits    IM_CAL_PHOT    VISIR-Imaging-Standard-Star-Catalog.fits
       IMG_STD_CATALOG

       The primary product will have a FITS card ´HIERARCH ESO PRO CATG´ with a string  value  of
       ´IMG_PHOT_COMBINED´
        and  the  corresponding  beam-collapsed  product  will have a FITS card ´HIERARCH ESO PRO
       CATG´ with a value of IMG_PHOT_ONEBEAM

       Additionally, a bad pixel map with a PRO.CATG of IMG_BPM may be added to the Set Of Frames
       with tag: BPM.

OPTIONS

       --nod <str>
              An  optional ASCII specification of the nodding positions (in case they are missing
              from the FITS-file). The file must consist of one line per input FITS-file and each
              line  must  consist  of  an  integer  (which  is  ignored) followed by a 0 or 1 (to
              indicate object or sky).  (str; default: ´NONE´). The full name of this option  for
              the EsoRex configuration file is visir.visir_old_img_phot.nodding [default = NONE].

       --auto_bpm <bool>
              Automatic  detection  and  correction of bad pixels (bool; default: True). The full
              name    of    this    option    for    the    EsoRex    configuration    file    is
              visir.visir_old_img_phot.auto_bpm [default = True].

       --g <bool>
              Automatic  filtering  of  glitches  (bool;  default:  False). The full name of this
              option for the EsoRex  configuration  file  is  visir.visir_old_img_phot.rem_glitch
              [default = False].

       --p <bool>
              Automatic  purging  of  half-cycle  images whose median deviates more than a factor
              three from the mean of the medians of half-cycle images or whose standard deviation
              deviates more than a factor three from the mean of their standard deviations (bool;
              default: False). The full name of this option for the EsoRex configuration file  is
              visir.visir_old_img_phot.purge_bad [default = False].

       --union <bool>
              Combine  images using their union, as opposed to their intersection (deprecated and
              ignored, see --combine_method) (bool; default: True). The full name of this  option
              for  the  EsoRex  configuration  file  is visir.visir_old_img_phot.union [default =
              True].

       --rej <str>
              Each resulting pixel is the average of the corresponding (interpolated) pixel value
              in  each  jittered  image.  A positive value, n1, for the first of the two integers
              specifies that for each pixel the smallest n1 pixel values shall be ignored in  the
              averaging.   Similarly,  a  positive  value, n2, for the second of the two integers
              specifies that for each pixel the largest n2 pixel values shall be ignored  in  the
              averaging.  (str;  default:  ´0-0´).  The  full  name of this option for the EsoRex
              configuration file is visir.visir_old_img_phot.rej [default = 0-0].

       --plot <int>
              The recipe can produce a number of predefined plots. Zero means that  none  of  the
              plots  are  produced, while increasing values (e.g. 1 or 2) increases the number of
              plots produced. If the plotting  fails  a  warning  is  produced,  and  the  recipe
              continues.  The  default  behaviour  of the plotting is to use gnuplot (with option
              -persist). The recipe currently  produces  1D-plots  using  gnuplot  commands.  The
              recipe  user  can  control the actual plotting-command used by the recipe to create
              the plot by setting the environment variable CPL_PLOTTER. Currently, if CPL_PLOTTER
              is   set   it   must   contain   the   string  ´gnuplot´.  Setting  it  to  ´cat  >
              my_gnuplot_$$.txt´ causes a number of ASCII-files to be created, which each produce
              a  plot  when  given  as  standard  input  to gnuplot (e.g. later or on a different
              computer). A finer control of the plotting options can be obtained  by  writing  an
              executable  script,  e.g.  my_gnuplot.pl,  that  executes gnuplot after setting the
              desired gnuplot  options  (e.g.  set  terminal  pslatex  color)  and  then  setting
              CPL_PLOTTER  to  my_gnuplot.pl.  The  predefined  plots include plotting of images.
              Images can be plotted not only with gnuplot, but also using the pnm format. This is
              controlled  with  the  environment  variable  CPL_IMAGER. If CPL_IMAGER is set to a
              string that does not contain the word gnuplot, the recipe will generate the plot in
              pnm  format.  E.g.   setting  CPL_IMAGER to ´display - &´ will produce a gray-scale
              image using the image viewer display. (int; default: 0).  The  full  name  of  this
              option  for the EsoRex configuration file is visir.visir_old_img_phot.plot [default
              = 0].

       --off <str>
              An optional ASCII specification of the offsets in case those in FITS-  headers  are
              missing  or  wrong. The file must consist of one line per input pair of FITS-files,
              and each line must consist of two numbers which represent the shift  in  pixels  of
              that  image  relative  to  the first image. The first line should thus comprise two
              zeros. Correct FITS-header offsets mean that the i´th X offset can be  gotten  from
              Xoffset_0  -  Xoffset_i,  where  Xoffset_i  is  the value of ESO SEQ CUMOFFSETX and
              likewise for Y. (str; default: ´NONE´). The full name of this option for the EsoRex
              configuration file is visir.visir_old_img_phot.offsets [default = NONE].

       --ref <bool>
              User-defined  refining  of  the  image  offsets.  See options objs and xcorr (bool;
              default: False). The full name of this option for the EsoRex configuration file  is
              visir.visir_old_img_phot.refine [default = False].

       --objs <str>
              The  shift and add of images needs anchor points that typically are bright objects.
              These are normally detected automatically but with user-defined refining of offsets
              enabled,  they  must  be  provided by the user through an ASCII file containing one
              line per anchor point with each line consisting of  its  x  and  y  coordinate  (in
              pixels). This file is ignored with user-defined refining of offsets disabled. (str;
              default: ´NONE´). The full name of this option for the EsoRex configuration file is
              visir.visir_old_img_phot.objects [default = NONE].

       --xcorr <str>
              If user-defined refining of offsets is enabled a cross-correlation of the images is
              performed. In order to speed up this process, this cross-correlation  is  performed
              only  on  smaller  rectangles around the anchor points. The first two parameters is
              the half-size of this rectangle in pixels. The second pair is the maximum shift  in
              x  and y (pixels) evaluated by the cross-correlation on the rectangle. Used only if
              user-defined refining of offsets is enabled.  (str;  default:  ´10-10-25-25´).  The
              full    name    of   this   option   for   the   EsoRex   configuration   file   is
              visir.visir_old_img_phot.xcorr [default = 10-10-25-25].

       --jy_val <float>
              The flux of the standard star in Jansky (float; default: -999.0). The full name  of
              this  option  for  the EsoRex configuration file is visir.visir_old_img_phot.jy_val
              [default = -999.0].

       --radii <str>
              Radii : star_max bg_int bg_ext (str; default: ´20-20-30´). The full  name  of  this
              option for the EsoRex configuration file is visir.visir_old_img_phot.radii [default
              = 20-20-30].

       --combine_method <str>
              Combine images using one of: 1) Onto  the  first  image  (first);  2)  Their  union
              (union);  3)  Their  intersection  (inter). NB: Only the ´first´-method produces an
              image product with WCS coordinates. A successful ´first´-method always  produces  a
              combined  image  with  dimensions  equal  to  those  of  the  input images. For the
              ´union´-method the result image is at least as large as the input images while  for
              the  ´inter´-method  the result image is at most as large as the input images (str;
              default: ´union´). The full name of this option for the EsoRex  configuration  file
              is visir.visir_old_img_phot.comb_meth [default = union].

       --destripe_iterations <int>
              Max  number  of  destriping  iterations  (0  to  disable  destriping).   Horizontal
              destriping is done first and  if  no  horizontal  striping  is  detected,  vertical
              destriping  is  performed  (int; default: 15). The full name of this option for the
              EsoRex configuration file is visir.visir_old_img_phot.nstripe [default = 15].

       --destripe_morpho <bool>
              Destripe with morphological cleaning (bool; default: False). The full name of  this
              option  for  the  EsoRex  configuration  file  is  visir.visir_old_img_phot.mstripe
              [default = False].

       --eccmax <float>
              The maximum eccentricity allowed in the  combination  of  the  three  (in  parallel
              nod/chopping)  or  four  (in  perpendicular nod/chopping) beams.  In parallel mode,
              three perfectly aligned points spaced with the chopnod throw will have eccentricity
              0,  while  in  perpedicular mode a square with the chopnod throw as the side length
              will have eccentricity 0 (float; default: 0.25). The full name of this  option  for
              the EsoRex configuration file is visir.visir_old_img_phot.eccmax [default = 0.25].

       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 visir pipeline can be downloaded as a PDF file using the
       following URL:

              ftp://ftp.eso.org/pub/dfs/pipelines/visir/visir-pipeline-manual-1.4.pdf

       An  overview  over  the  existing  ESO  pipelines  can  be   found   on   the   web   page
       https://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
       https://packages.python.org/python-cpl/index.html for further information.

       The  other  recipes  of  the  visir  pipeline  are   visir_img_dark(7),   visir_img_ff(7),
       visir_img_reduce(7),  visir_img_trans(7),  visir_old_img_combine(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)

VERSION

       visir_old_img_phot 4.3.7

AUTHOR

       Lars Lundin <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 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