xsh_flexcomp - Compute the flexure of the instrument
esorex xsh_flexcomp [OPTIONS] FILE.sof
This recipe computes the flexure of the instrument and correct CAL
files.
Input Frames :
- [UVB, VIS] One RAW frame (Format = RAW, Tag = AFF_ATT_arm)
- [NIR] Two RAW frames ((Format = RAW, Tag = AFC_ATT_arm_ON,AFC_ATT_arm_OFF)
- An arc line list (Format = TABLE, Tag = ARC_LINE_LIST_AFC_arm)
- A spectral format table frame (Format = TABLE, Tag =
SPECTRAL_FORMAT_TAB_arm)
- [UVB,VIS] A master bias (Format = PRE, Tag = MASTER_BIAS_arm)
- [UVB,VIS] A master dark (Format = PRE, Tag = MASTER_DARK_arm)
- An order table frame (Format = TABLE, Tag = ORDER_TAB_EDGES_IFU_arm)
- [OPTIONAL] A non-linear badpixel map (Tag = BP_MAP_NL_arm)
- [OPTIONAL] A reference badpixel map (Tag = BP_MAP_RP_arm)
- [poly mode] A wave solution frame (Format = TABLE, Tag = WAVE_TAB_2D_arm)
- [physical model mode] A model cfg table (Format = TABLE, Tag =
XSH_MOD_CFG_OPT_2D_arm)
Products :
- [poly mode] An updated wave solution frame (Format = TABLE, Tag =
WAVE_TAB_AFC_arm)
- [physical model mode] An updated model cfg table (Format = TABLE, Tag =
XSH_MOD_CFG_OPT_AFC_arm)
- An updated order table frame (Format = TABLE, Tag = ORDER_TAB_AFC_IFU_arm)
- [poly mode] A dispersion table frame (Format = TABLE, Tag =
DISP_TAB_AFC_arm)
- --keep-temp
<str>
- If ´no´, temporary files are deleted. (str; default:
´no´). The full name of this option for the EsoRex
configuration file is xsh.xsh_flexcomp.keep-temp [default =
no].
- --debug-level
<str>
- Additional xshooter debug level. One of ´none´,
´low´, ´medium´, ´high´ (str;
default: ´none´). The full name of this option for the
EsoRex configuration file is xsh.xsh_flexcomp.debug-level [default
= none].
- --time-stamp
<bool>
- Add timestamp to product file name. (bool; default: False). The full name
of this option for the EsoRex configuration file is
xsh.xsh_flexcomp.time-stamp [default = False].
- --decode-bp
<int>
- Integer representation of the bits to be considered bad when decoding the
bad pixel mask pixel values. Most frequent codes relevant for the user: 0:
good pixel, 8: pick-up noise, 16: cosmic-ray removed, 32: cosmic-ray
unremoved, 128: calibration file defect, 256: hot pixel, 512: dark pixel,
4096: A/D converted saturation, 32768: non linear pixel, 1048576:
extrapolated flux in NIR, 4194304: Interpolated flux during extraction.
(int; default: 2144337919). The full name of this option for the EsoRex
configuration file is xsh.xsh_flexcomp.decode-bp [default =
2144337919].
- --pre-overscan-corr
<int>
- pre-overscan correction. 0: no correction 1: mean overscan correction 2:
mean prescan correction 3: (mean pre+mean overscan)/2 correction (int;
default: 1). The full name of this option for the EsoRex configuration
file is xsh.xsh_flexcomp.pre-overscan-corr [default =
1].
- --detectarclines-fit-win-hsize
<int>
- Half window size (HWS) in pixels for the line 2D fitting window (total
window size = 2*HWS+1) (int; default: 6). The full name of this option for
the EsoRex configuration file is
xsh.xsh_flexcomp.detectarclines-fit-win-hsize [default =
6].
- --detectarclines-search-win-hsize
<int>
- Half window size (HWS) in pixels for the line search box around the
expected position (total window size = 2*HWS+1) [bin units] (int; default:
3). The full name of this option for the EsoRex configuration file is
xsh.xsh_flexcomp.detectarclines-search-win-hsize [default =
3].
- --detectarclines-running-median-hsize
<int>
- Half window size in pixels (HWS) for the running median box (int; default:
0). The full name of this option for the EsoRex configuration file is
xsh.xsh_flexcomp.detectarclines-running-median-hsize [default =
0].
- --detectarclines-wavesol-deg-lambda
<int>
- Degree in lambda in the polynomial solution X=f(lambda,order,slit) and
Y=f(lambda,order,slit) (POLY mode) (int; default: 5). The full name of
this option for the EsoRex configuration file is
xsh.xsh_flexcomp.detectarclines-wavesol-deg-lambda [default =
5].
- --detectarclines-wavesol-deg-order
<int>
- Degree in order in the polynomial solution X=f(lambda,order,slit) and
Y=f(lambda,order,slit) (POLY mode) (int; default: 5). The full name of
this option for the EsoRex configuration file is
xsh.xsh_flexcomp.detectarclines-wavesol-deg-order [default =
5].
- --detectarclines-min-sn
<float>
- Minimum signal-to-noise ratio to filter lines [xsh_predict:
UVB,VIS=5,NIR=4; xsh_2dmap: UVB=3, VIS=6, NIR=10] (float; default: 5.0).
The full name of this option for the EsoRex configuration file is
xsh.xsh_flexcomp.detectarclines-min-sn [default = 5.0].
- --detectarclines-find-lines-center
<str>
- Method used to find the center of the lines: gaussian, barycenter.
Gaussian method applies a Gaussian fit to the line. Barycenter method
computes the line centroid. (str; default: ´gaussian´). The
full name of this option for the EsoRex configuration file is
xsh.xsh_flexcomp.detectarclines-find-lines-center [default =
gaussian].
- --detectarclines-clip-sigma
<float>
- Kappa value in sigma clipping during the polynomial solution fit (POLY
mode) (float; default: 2.0). The full name of this option for the EsoRex
configuration file is xsh.xsh_flexcomp.detectarclines-clip-sigma
[default = 2.0].
- --detectarclines-clip-niter
<int>
- Number of iterations in sigma clipping during the polynomial solution fit
(POLY mode) (int; default: 10). The full name of this option for the
EsoRex configuration file is
xsh.xsh_flexcomp.detectarclines-clip-niter [default =
10].
- --detectarclines-clip-frac
<float>
- Minimal fractions of bad pixel allowed in sigma clipping duringthe
polynomial solution fit (POLY mode) (float; default: 0.7). The full name
of this option for the EsoRex configuration file is
xsh.xsh_flexcomp.detectarclines-clip-frac [default =
0.7].
- --dispersol-deg-x
<int>
- Degree in X in the polynomial dispersion solution lambda=f(X,Y) and
slit=f(X,Y) (int; default: 4). The full name of this option for the EsoRex
configuration file is xsh.xsh_flexcomp.dispersol-deg-x [default =
4].
- --dispersol-deg-y
<int>
- Degree in Y in the polynomial dispersion solution lambda=f(X,Y) and
slit=f(X,Y) (int; default: 5). The full name of this option for the EsoRex
configuration file is xsh.xsh_flexcomp.dispersol-deg-y [default =
5].
- --model-maxit
<int>
- Number/10 of annealing iterations if in physical model mode. (int;
default: 1000). The full name of this option for the EsoRex configuration
file is xsh.xsh_flexcomp.model-maxit [default = 1000].
- --model-anneal-factor
<float>
- Multiplier applied to the automatic parameter ranges (i.e. when
scenario!=0). For routine operations should be 1.0. (physical model mode).
(float; default: 1.0). The full name of this option for the EsoRex
configuration file is xsh.xsh_flexcomp.model-anneal-factor [default
= 1.0].
- --model-scenario
<int>
- selects preset flag and range combinations appropriate to common
scenarios: -1 - Only the position across the slit and camera focal length
are open 0 - No scenario, input cfg flags and limits used. 1 - scenario
appropriate for the startup recipe (large ranges for parameters affecting
single ph exposures, dist coeff fixed) 2 - Like 1, but includes parameters
affecting all ph positions 3 - Scenario for use in fine tuning cfg to
match routine wavecal exposures. All parameters affecting 1ph exposures
except dist coeffs are included and parameter ranges are small. (For use
by flexcomp in 1ph case). 4 - Like 3 but includes parameters affecting all
ph positions (Standard for use by flexcomp in 9ph case and 2dmap). 5 -
Like 4 but includes also dist coeffs 6 - Just dist coeffs (and chipx,
chipy) (int; default: 3). The full name of this option for the EsoRex
configuration file is xsh.xsh_flexcomp.model-scenario [default =
3].
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.
The full documentation for the xshoo pipeline can be downloaded as
a PDF file using the following URL:
- ftp://ftp.eso.org/pub/dfs/pipelines/xshoo/xshoo-pipeline-manual-12.1.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 xshoo pipeline are xsh_2dmap(7),
xsh_cfg_recover(7), xsh_geom_ifu(7), xsh_lingain(7),
xsh_mbias(7), xsh_mdark(7), xsh_mflat(7),
xsh_orderpos(7), xsh_predict(7),
xsh_respon_slit_nod(7), xsh_respon_slit_offset(7),
xsh_respon_slit_stare(7), xsh_scired_ifu_offset(7),
xsh_scired_ifu_offset_drl(7), xsh_scired_ifu_stare(7),
xsh_scired_ifu_stare_drl(7), xsh_scired_slit_nod(7),
xsh_scired_slit_offset(7), xsh_scired_slit_stare(7),
xsh_util_physmod(7), xsh_wavecal(7)
P.Goldoni, L.Guglielmi, R. Haigron, F. Royer
<amodigli@eso.org>
Please report any problems to amodigli@eso.org. Alternatively, you
may send a report to the ESO User Support Department
<usd-help@eso.org>.
This file is part of the X-shooter Instrument Pipeline Copyright
(C) 2006 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