The flames_cal_prep_sff_ofpos recipe

flames_cal_prep_sff_ofpos

Synopsis

Determines order and fibre postions

Description

Fibre & order position determination procedure:

You should feed the recipe with:

  • even, odd, all fibre images (FIB_FF_EVEN_RED, FIB_FF_ODD_RED, FIB_FF_ALL_RED)

  • single fibre images, FIB_ORDEF_(REDL|REDU)

  • master bias frames, MASTER_BIAS_(REDL|REDU)

  • master slit flatfield frames, MASTER_SFLAT_(REDL|REDU)

  • order guess tables, FIB_ORD_GUE_(REDL|REDU).

Products are:

  • Fibre order table (FIB_ORDEF_TABLE_chip)

  • All fibre info table (FIB_FF_ALL_INFO_TAB)

  • Odd fibre info table (FIB_FF_ODD_INFO_TAB)

  • Even fibre info table (FIB_FF_EVEN_INFO_TAB)

  • Slit flatfield common (SLIT_FF_COM_chip)

  • Slit flatfield norm (SLIT_FF_NOR_chip)

  • Slit flatfield data (SLIT_FF_DTC_chip)

  • Slit flatfield sigma (SLIT_FF_SGC_chip)

  • Slit flatfield bad pixel (SLIT_FF_BPC_chip)

  • Slit flatfield boundary (SLIT_FF_BNC_chip)

  • Fibre flatfield common (FIB_FF_COM_chip)

  • Fibre flatfield norm (FIB_FF_NOR_chip)

  • Fibre flatfield norm sigma (FIB_FF_NSG_chip)

chip=REDL and REDU

Constructor

cpl.Recipe("flames_cal_prep_sff_ofpos")

Create an object for the recipe flames_cal_prep_sff_ofpos.

import cpl
flames_cal_prep_sff_ofpos = cpl.Recipe("flames_cal_prep_sff_ofpos")

Parameters

flames_cal_prep_sff_ofpos.param.bias_method

Bias subtraction method, M for master bias frame, N for no bias subtraction, V to subtract a constant bias level defined by the parameter bias_value (str; default: ‘M’) [default=”M”].

flames_cal_prep_sff_ofpos.param.bias_value

Bias value (only if bias_method = V) (int; default: 200) [default=200].

flames_cal_prep_sff_ofpos.param.clean_tmp_products

Input data format (bool; default: False) [default=False].

flames_cal_prep_sff_ofpos.param.cubify

Cubify switch (bool; default: True) [default=True].

flames_cal_prep_sff_ofpos.param.debug

Whether or not to save intermediate results to local directory (bool; default: False) [default=False].

flames_cal_prep_sff_ofpos.param.ext_method

Extraction method (str; default: ‘opt’) [default=”opt”].

flames_cal_prep_sff_ofpos.param.fileprep

Slitff* and Fibreff* file preparation. If fast extraction method is used it should be set to FALSE (bool; default: True) [default=True].

flames_cal_prep_sff_ofpos.param.filter_switch

Filter switch (str; default: ‘none’) [default=”none”].

flames_cal_prep_sff_ofpos.param.plotter

Any plots produced by the recipe are redirected to the command specified by this parameter. The plotting command must contain the substring ‘gnuplot’ and must be able to parse gnuplot syntax on its standard input. Valid examples of such a command may include ‘gnuplot -persist’ and ‘cat > mygnuplot$$.gp’. 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). To turn off plotting, set this parameter to ‘no’ (str; default: ‘no’) [default=”no”].

flames_cal_prep_sff_ofpos.param.process_chip

For RED arm data process the redl, redu, or both chip(s) (str; default: ‘both’) [default=”both”].

flames_cal_prep_sff_ofpos.param.sat_thr

Saturation threshold (int; default: 55000) [default=55000].

flames_cal_prep_sff_ofpos.param.save_flat_size

To be sure to use the flat part of a slit flatsone may need to subtract this bit. The default value -1, is used for automatic setting: if WCEN=520 save_flat_size=0, else save_flat_size=2. Values explicitly set by user overwrite this rule. (int; default: -1) [default=-1].

The following code snippet shows the default settings for the available parameters.

import cpl
flames_cal_prep_sff_ofpos = cpl.Recipe("flames_cal_prep_sff_ofpos")

flames_cal_prep_sff_ofpos.param.bias_method = "M"
flames_cal_prep_sff_ofpos.param.bias_value = 200
flames_cal_prep_sff_ofpos.param.clean_tmp_products = False
flames_cal_prep_sff_ofpos.param.cubify = True
flames_cal_prep_sff_ofpos.param.debug = False
flames_cal_prep_sff_ofpos.param.ext_method = "opt"
flames_cal_prep_sff_ofpos.param.fileprep = True
flames_cal_prep_sff_ofpos.param.filter_switch = "none"
flames_cal_prep_sff_ofpos.param.plotter = "no"
flames_cal_prep_sff_ofpos.param.process_chip = "both"
flames_cal_prep_sff_ofpos.param.sat_thr = 55000
flames_cal_prep_sff_ofpos.param.save_flat_size = -1

You may also set or overwrite some or all parameters by the recipe parameter param, as shown in the following example:

import cpl
flames_cal_prep_sff_ofpos = cpl.Recipe("flames_cal_prep_sff_ofpos")
[...]
res = flames_cal_prep_sff_ofpos( ..., param = {"bias_method":"M", "bias_value":200})

See also

cpl.Recipe for more information about the recipe object.

Bug reports

Please report any problems to Jonas M. Larsen. Alternatively, you may send a report to the ESO User Support Department.