| Line 1... |
Line 1... |
\section{The configuration file}
|
\section{The \index{configuration file} configuration file}
|
\label{chap:configfile}
|
\label{chap:configfile}
|
Each time it is run, {\sc SExtractor} looks for a configuration file. If no
|
Each time it is run, {\sc SExtractor} looks for a \index{configuration file} configuration file. If no
|
configuration file is specified in the command-line, it is assumed to
|
\index{configuration file} configuration file is specified in the command-line, it is assumed to
|
be called ``{\tt default.sex}'' and to reside in the current
|
be called ``{\tt default.sex}'' and to reside in the current
|
directory. If no configuration file is found, {\sc SExtractor} will use its own
|
directory. If no \index{configuration file} configuration file is found, {\sc SExtractor} will use its own
|
internal default configuration.
|
internal default configuration.
|
|
|
\subsection{Creating a configuration file}
|
\subsection{Creating a \index{configuration file} configuration file}
|
{\sc SExtractor} can generate an ASCII dump of its internal default
|
{\sc SExtractor} can generate an ASCII dump of its internal default
|
configuration, using the ``{\tt -d}'' option. By redirecting the standard
|
configuration, using the ``{\tt -d}'' option. By redirecting the standard
|
output of {\sc SExtractor} to a file, one creates a configuration file that
|
output of {\sc SExtractor} to a file, one creates a \index{configuration file} configuration file that
|
can easily be modified afterwards:
|
can easily be modified afterwards:
|
|
|
{\tt \% sex -d > default.sex}
|
{\tt \% sex -d > default.sex}
|
|
|
A more extensive dump with less commonly used parameters can be generated by
|
A more extensive dump with less commonly used parameters can be generated by
|
using the ``{\tt -dd}'' option.
|
using the ``{\tt -dd}'' option.
|
|
|
\subsection{Format of the configuration file}
|
\subsection{Format of the \index{configuration file} configuration file}
|
The format is ASCII. There must be only one parameter set per line,
|
The format is ASCII. There must be only one parameter set per line,
|
following the form:
|
following the form:
|
|
|
~~~~ {\em Config-parameter ~~~~ Value(s)}
|
~~~~ {\em Config-parameter ~~~~ Value(s)}
|
|
|
| Line 30... |
Line 30... |
separated by commas.
|
separated by commas.
|
Integers can be given as decimals, in octal form (preceded by digit {\tt O}), or in hexadecimal
|
Integers can be given as decimals, in octal form (preceded by digit {\tt O}), or in hexadecimal
|
(preceded by {\tt 0x}). The hexadecimal format is particularly convenient for writing multiplexed
|
(preceded by {\tt 0x}). The hexadecimal format is particularly convenient for writing multiplexed
|
bit values such as binary masks. Environment variables, written as {\tt \$HOME} or {\tt \$\{HOME\}}
|
bit values such as binary masks. Environment variables, written as {\tt \$HOME} or {\tt \$\{HOME\}}
|
are expanded, and not only for string parameters. Some parameters are assigned default values in
|
are expanded, and not only for string parameters. Some parameters are assigned default values in
|
{\sc SExtractor} and can therefore be omitted from the configuration file; they are listed in
|
{\sc SExtractor} and can therefore be omitted from the \index{configuration file} configuration file; they are listed in
|
\S\ref{chap:config}.
|
\S\ref{chap:config}.
|
|
|
\subsection{Configuration parameter list}
|
\subsection{Configuration parameter list}
|
\label{chap:config}
|
\label{chap:config}
|
Here is a complete list of all the {\em configuration} parameters known to {\sc SExtractor}.
|
Here is a complete list of all the {\em configuration} parameters known to {\sc SExtractor}.
|
Many of them should be used with their default values. Please refer to the next sections for a
|
Many of them should be used with their default values. Please refer to the next sections for a
|
detailed description of their meaning.
|
detailed description of their \index{mean} meaning.
|
|
|
% \begin{tabular}{lllp{2.5in}}
|
% \begin{tabular}{lllp{2.5in}}
|
\begin{tabbing}
|
\begin{tabbing}
|
KKKKKKKKKKKKKK \= AAAAAAAAAAAAA \= VVVVVVVVVVVV \= \`TTTTTTTTTTTT \kill
|
KKKKKKKKKKKKKK \= AAAAAAAAAAAAA \= VVVVVVVVVVVV \= \`TTTTTTTTTTTT \kill
|
\parhead{Parameter }{ default }{ type }
|
\parhead{Parameter }{ default }{ type }
|
| Line 82... |
Line 82... |
\parhead{{\tt BACK\_FILTERSIZE} }{ {\tt 3} }{ {\em integers}\ $(n \le 2)$ }
|
\parhead{{\tt BACK\_FILTERSIZE} }{ {\tt 3} }{ {\em integers}\ $(n \le 2)$ }
|
\parlist{ Size, or Width,Height (in background meshes) of the background-filtering mask.}\\
|
\parlist{ Size, or Width,Height (in background meshes) of the background-filtering mask.}\\
|
\parhead{{\tt BACK\_SIZE} }{ {\tt 64} }{ {\em integers}\ $(n \le 2)$ }
|
\parhead{{\tt BACK\_SIZE} }{ {\tt 64} }{ {\em integers}\ $(n \le 2)$ }
|
\parlist{ Size, or Width,Height (in pixels) of a background mesh.}\\
|
\parlist{ Size, or Width,Height (in pixels) of a background mesh.}\\
|
\parhead{{\tt BACK\_TYPE} }{ {\tt AUTO} }{ {\em keywords}\ $(n \le 2)$}
|
\parhead{{\tt BACK\_TYPE} }{ {\tt AUTO} }{ {\em keywords}\ $(n \le 2)$}
|
\parlist{ What background is subtracted from the images:}\\
|
\parlist{ What background is subtracted from the \index{image} images:}\\
|
\pararg{ \tt AUTO} {the internal,
|
\pararg{ \tt AUTO} {the internal,
|
automatically interpolated background map,}
|
automatically interpolated \index{background map} background map,}
|
\pararg{ \tt MANUAL} {a user-supplied constant value provided in {\tt BACK\_VALUE}.}
|
\pararg{ \tt MANUAL} {a user-supplied constant value provided in {\tt BACK\_VALUE}.}
|
\parhead{{\tt BACK\_VALUE} }{ {\tt 0.0,0.0} }{ {\em floats}\ $(n \le 2)$ }
|
\parhead{{\tt BACK\_VALUE} }{ {\tt 0.0,0.0} }{ {\em floats}\ $(n \le 2)$ }
|
\parlist{ in {\tt BACK\_TYPE MANUAL} mode, the constant value to be subtracted
|
\parlist{ in {\tt BACK\_TYPE MANUAL} \index{mode} mode, the constant value to be subtracted
|
from the images.}\\
|
from the \index{image} images.}\\
|
\parhead{{\tt BACKPHOTO\_THICK} }{ {\tt 24} }{ {\em integer} }
|
\parhead{{\tt BACKPHOTO\_THICK} }{ {\tt 24} }{ {\em integer} }
|
\parlist{ Thickness (in pixels) of the background {\tt LOCAL} annulus.}\\
|
\parlist{ Thickness (in pixels) of the background {\tt LOCAL} annulus.}\\
|
\parhead{{\tt BACKPHOTO\_TYPE} }{ {\tt GLOBAL} }{ {\em keyword} }
|
\parhead{{\tt BACKPHOTO\_TYPE} }{ {\tt GLOBAL} }{ {\em keyword} }
|
\parlist{ Background used to compute magnitudes:}\\
|
\parlist{ Background used to compute magnitudes:}\\
|
\pararg{ \tt GLOBAL} {taken directly from the background map,}
|
\pararg{ \tt GLOBAL} {taken directly from the \index{background map} background map,}
|
\pararg{ \tt LOCAL} {recomputed in a ``rectangular annulus'' around the object.}
|
\pararg{ \tt LOCAL} {recomputed in a ``rectangular annulus'' around the object.}
|
\parhead{{\tt CATALOG\_NAME} }{ {\tt test.cat} }{ {\em string}
|
\parhead{{\tt CATALOG\_NAME} }{ {\tt test.cat} }{ {\em string}
|
}
|
}
|
\parlist{ Name of the output catalogue. If the name ``{\tt STDOUT}'' is given and
|
\parlist{ Name of the output catalogue. If the name ``{\tt STDOUT}'' is given and
|
{\tt CATALOG\_TYPE} is set to {\tt ASCII}, {\tt ASCII\_HEAD}, {\tt ASCII\_SKYCAT}, or {\tt ASCII\_VOTABLE}, the catalogue will be piped to the standard output ({\em stdout})}\\
|
{\tt CATALOG\_TYPE} is set to {\tt ASCII}, {\tt ASCII\_HEAD}, {\tt ASCII\_SKYCAT}, or {\tt ASCII\_VOTABLE}, the catalogue will be piped to the standard output ({\em stdout})}\\
|
| Line 108... |
Line 108... |
\pararg{ \tt ASCII\_HEAD} {as {\tt ASCII},
|
\pararg{ \tt ASCII\_HEAD} {as {\tt ASCII},
|
preceded by a header containing information about the content,}
|
preceded by a header containing information about the content,}
|
\pararg{ \tt ASCII\_SKYCAT} {SkyCat ASCII format (WCS coordinates required),}
|
\pararg{ \tt ASCII\_SKYCAT} {SkyCat ASCII format (WCS coordinates required),}
|
\pararg{ \tt ASCII\_VOTABLE} {XML-VOTable format, together with meta-data,}
|
\pararg{ \tt ASCII\_VOTABLE} {XML-VOTable format, together with meta-data,}
|
\pararg{ \tt FITS\_1.0} {FITS format as in {\sc SExtractor} 1,}
|
\pararg{ \tt FITS\_1.0} {FITS format as in {\sc SExtractor} 1,}
|
\pararg{ \tt FITS\_LDAC} {FITS ``LDAC'' format (the original image header is copied).}
|
\pararg{ \tt FITS\_LDAC} {FITS ``LDAC'' format (the original \index{image} image header is copied).}
|
\parhead{{\tt CHECKIMAGE\_NAME} }{ {\tt check.fits} }{ {\em strings} $(n \le 16)$ }
|
\parhead{{\tt CHECKIMAGE\_NAME} }{ {\tt check.fits} }{ {\em strings} $(n \le 16)$ }
|
\parlist{ File name for each ``check-image''.}\\
|
\parlist{ File name for each ``check-image''.}\\
|
\parhead{{\tt CHECKIMAGE\_TYPE} }{ {\tt NONE} }{ {\em keywords} $(n \le 16)$}
|
\parhead{{\tt CHECKIMAGE\_TYPE} }{ {\tt NONE} }{ {\em keywords} $(n \le 16)$}
|
\parlist{ Type of information in the ``check-images'':}\\
|
\parlist{ Type of information in the ``check-images'':}\\
|
\pararg{ \tt NONE} {no check-image,}
|
\pararg{ \tt NONE} {no \index{check-image} check-image,}
|
\pararg{ \tt IDENTICAL} {identical to input image (useful for converting formats),}
|
\pararg{ \tt IDENTICAL} {identical to input \index{image} image (useful for converting formats),}
|
\pararg{ \tt BACKGROUND} {full-resolution interpolated background map,}
|
\pararg{ \tt BACKGROUND} {full-resolution interpolated \index{background map} background map,}
|
\pararg{ \tt BACKGROUND\_RMS} {full-resolution interpolated background noise map,}
|
\pararg{ \tt BACKGROUND\_RMS} {full-resolution interpolated background noise map,}
|
\pararg{ \tt MINIBACKGROUND} {low-resolution background map,}
|
\pararg{ \tt MINIBACKGROUND} {low-resolution \index{background map} background map,}
|
\pararg{ \tt MINIBACK\_RMS} {low-resolution background noise map,}
|
\pararg{ \tt MINIBACK\_RMS} {low-resolution background noise map,}
|
\pararg{ \tt -BACKGROUND} {background-subtracted image,}
|
\pararg{ \tt -BACKGROUND} {background-subtracted \index{image} image,}
|
\pararg{ \tt FILTERED} {background-subtracted filtered image (requires {\tt FILTER = Y}),}
|
\pararg{ \tt FILTERED} {background-subtracted filtered \index{image} image (requires {\tt FILTER = Y}),}
|
\pararg{ \tt OBJECTS} {detected objects,}
|
\pararg{ \tt OBJECTS} {detected objects,}
|
\pararg{ \tt -OBJECTS} {background-subtracted image with detected objects blanked,}
|
\pararg{ \tt -OBJECTS} {background-subtracted \index{image} image with detected objects blanked,}
|
\pararg{ \tt APERTURES} {{\tt MAG\_APER} and {\tt MAG\_AUTO} integration limits,}
|
\pararg{ \tt APERTURES} {{\tt MAG\_APER} and {\tt MAG\_AUTO} integration limits,}
|
\pararg{ \tt SEGMENTATION} {display patches corresponding to pixels attributed to each object.}
|
\pararg{ \tt SEGMENTATION} {display patches corresponding to pixels attributed to each object.}
|
\parhead{{\tt CLEAN} }{ {\tt Y} }{ {\em boolean} }
|
\parhead{{\tt CLEAN} }{ {\tt Y} }{ {\em boolean} }
|
\parlist{ If true, the
|
\parlist{ If true, the
|
catalogue is ``cleaned'' before being written to disk.}\\
|
catalogue is ``cleaned'' before being written to disk.}\\
|
\parhead{{\tt CLEAN\_PARAM} }{ {\tt 1.0} }{ {\em float} }
|
\parhead{{\tt CLEAN\_PARAM} }{ {\tt 1.0} }{ {\em float} }
|
\parlist{ Efficiency of ``cleaning''.}\\
|
\parlist{ Efficiency of ``cleaning''.}\\
|
\parhead{{\tt DEBLEND\_MINCONT} }{ {\tt 0.005} }{ {\em float} }
|
\parhead{{\tt DEBLEND\_MINCONT} }{ {\tt 0.005} }{ {\em float} }
|
\parlist{ Minimum contrast parameter for deblending.}\\
|
\parlist{ Minimum contrast parameter for \index{deblending} deblending.}\\
|
\parhead{{\tt DEBLEND\_NTHRESH} }{ {\tt 32} }{ {\em integer} }
|
\parhead{{\tt DEBLEND\_NTHRESH} }{ {\tt 32} }{ {\em integer} }
|
\parlist{ Number of deblending sub-thresholds.}\\
|
\parlist{ Number of \index{deblending} deblending sub-thresholds.}\\
|
\parhead{{\tt DETECT\_MINAREA} }{ {\tt 5} }{ {\em integer} }
|
\parhead{{\tt DETECT\_MINAREA} }{ {\tt 5} }{ {\em integer} }
|
\parlist{ Minimum number of pixels above threshold triggering detection.}\\
|
\parlist{ Minimum number of pixels above \index{threshold} threshold triggering detection.}\\
|
\parhead{{\tt DETECT\_MAXAREA} }{ --- }{ {\em integer} }
|
\parhead{{\tt DETECT\_MAXAREA} }{ --- }{ {\em integer} }
|
\parlist{ Maximum number of pixels
|
\parlist{ Maximum number of pixels
|
above threshold triggering detection \gam{What value for infinity?}.}\\
|
above \index{threshold} threshold triggering detection \gam{What value for infinity?}.}\\
|
\parhead{{\tt DETECT\_THRESH} }{ {\tt 1.5} }{ {\em floats}\ $(n \le 2)$ }
|
\parhead{{\tt DETECT\_THRESH} }{ {\tt 1.5} }{ {\em floats}\ $(n \le 2)$ }
|
\parlist{ Detection threshold. 1 argument: (ADUs or relative to Background RMS, see
|
\parlist{ Detection \index{threshold} threshold. 1 argument: (ADUs or relative to Background RMS, see
|
{\tt THRESH\_TYPE}). 2
|
{\tt THRESH\_TYPE}). 2
|
arguments: $\mu$ ($\rm
|
arguments: $\mu$ ($\rm
|
mag\,arcsec^{-2}$), Zero-point (mag).}\\
|
mag\,arcsec^{-2}$), Zero-point (mag).}\\
|
\parhead{{\tt DETECT\_TYPE} }{ {\tt CCD} }{ {\em keyword} }
|
\parhead{{\tt DETECT\_TYPE} }{ {\tt \index{CCD} CCD} }{ {\em keyword} }
|
\parlist{ Type of device that produced the image:}\\
|
\parlist{ Type of device that produced the \index{image} image:}\\
|
\pararg{ \tt CCD} {linear detector like CCDs or NICMOS,}
|
\pararg{ \tt \index{CCD} CCD} {linear detector like CCDs or \index{NICMOS} NICMOS,}
|
\pararg{ \tt PHOTO} {photographic scan.}
|
\pararg{ \tt PHOTO} {photographic scan.}
|
\parhead{{\tt FILTER} }{ --- }{ {\em boolean} }
|
\parhead{{\tt FILTER} }{ --- }{ {\em boolean} }
|
\parlist{ If true, filtering is applied to the data before extraction.}\\
|
\parlist{ If true, filtering is applied to the data before extraction.}\\
|
\parhead{{\tt FILTER\_NAME} }{ --- }{ {\em string} }
|
\parhead{{\tt FILTER\_NAME} }{ --- }{ {\em string} }
|
\parlist{ Name of the file containing the filter definition.}\\
|
\parlist{ Name of the file containing the filter definition.}\\
|
\parhead{{\tt FILTER\_THRESH} }{ }{ {\em floats}\ $(n \le 2)$ }
|
\parhead{{\tt FILTER\_THRESH} }{ }{ {\em floats}\ $(n \le 2)$ }
|
\parlist{ Lower and higher thresholds (in background standard deviations) for a pixel
|
\parlist{ Lower and higher \index{threshold} thresholds (in background \index{standard deviation} standard deviations) for a pixel
|
to be considered in filtering (used for retina-filtering only).}\\
|
to be considered in filtering (used for retina-filtering only).}\\
|
\parhead{{\tt FITS\_UNSIGNED} }{ {\tt N} }{ {\em boolean} }
|
\parhead{{\tt FITS\_UNSIGNED} }{ {\tt N} }{ {\em boolean} }
|
\parlist{ Force 16-bit FITS input data to be interpreted as unsigned integers.}\\
|
\parlist{ Force 16-bit FITS input data to be interpreted as unsigned integers.}\\
|
\parhead{{\tt FLAG\_IMAGE} }{ {\tt flag.fits} }{ {\em strings}\ $(n \le 4)$ }
|
\parhead{{\tt FLAG\_IMAGE} }{ {\tt flag.fits} }{ {\em strings}\ $(n \le 4)$ }
|
\parlist{ File name(s) of the ``flag-image(s)''.}\\
|
\parlist{ File name(s) of the ``flag-image(s)''.}\\
|
\parhead{{\tt FLAG\_TYPE} }{ {\tt OR} }{ {\em keyword} }
|
\parhead{{\tt FLAG\_TYPE} }{ {\tt OR} }{ {\em keyword} }
|
\parlist{ Combination method for flags on the same object:}\\
|
\parlist{ Combination method for \index{flags} flags on the same object:}\\
|
\pararg{ \tt OR} {arithmetical OR,}
|
\pararg{ \tt OR} {arithmetical OR,}
|
\pararg{ \tt AND} {arithmetical AND,}
|
\pararg{ \tt AND} {arithmetical AND,}
|
\pararg{ \tt MIN} {minimum of all flag values,}
|
\pararg{ \tt MIN} {minimum of all flag values,}
|
\pararg{ \tt MAX} {maximum of all flag values,}
|
\pararg{ \tt MAX} {maximum of all flag values,}
|
\pararg{ \tt MOST} {most common flag value.}
|
\pararg{ \tt MOST} {most common flag value.}
|
\parhead{{\tt GAIN} }{ }{ {\em float} }
|
\parhead{{\tt GAIN} }{ }{ {\em float} }
|
\parlist{ ``Gain'' (conversion factor in $e^-/\mbox{ADU}$) used for error estimates
|
\parlist{ ``Gain'' (conversion factor in $e^-/\mbox{ADU}$) used for error estimates
|
of {\tt CCD} magnitudes .}\\
|
of {\tt \index{CCD} CCD} magnitudes .}\\
|
\parhead{{\tt INTERP\_MAXXLAG} }{ {\tt 16} }{ {\em integers}\ $(n \le 2)$ }
|
\parhead{{\tt INTERP\_MAXXLAG} }{ {\tt 16} }{ {\em integers}\ $(n \le 2)$ }
|
\parlist{ Maximum $x$ gap (in pixels) allowed in interpolating the input image(s).}\\
|
\parlist{ Maximum $x$ gap (in pixels) allowed in interpolating the input \index{image} image(s).}\\
|
\parhead{{\tt INTERP\_MAXYLAG} }{ {\tt 16} }{ {\em integers}\ $(n \le 2)$ }
|
\parhead{{\tt INTERP\_MAXYLAG} }{ {\tt 16} }{ {\em integers}\ $(n \le 2)$ }
|
\parlist{ Maximum $y$ gap (in pixels) allowed in interpolating the input image(s).}\\
|
\parlist{ Maximum $y$ gap (in pixels) allowed in interpolating the input \index{image} image(s).}\\
|
\parhead{{\tt INTERP\_TYPE} }{ {\tt ALL} }{ {\em keywords}\ $(n \le 2)$ }
|
\parhead{{\tt INTERP\_TYPE} }{ {\tt ALL} }{ {\em keywords}\ $(n \le 2)$ }
|
\parlist{
|
\parlist{
|
Interpolation method from the variance map(s) (or weight map(s)):}\\
|
Interpolation method from the \index{variance map} variance map(s) (or \index{weight map} weight map(s)):}\\
|
\pararg{ \tt NONE} {no interpolation,}
|
\pararg{ \tt NONE} {no \index{interpolation} interpolation,}
|
\pararg{ \tt VAR\_ONLY} {interpolate only the variance map (detection threshold),}
|
\pararg{ \tt VAR\_ONLY} {interpolate only the \index{variance map} variance map (detection \index{threshold} threshold),}
|
\pararg{ \tt ALL} {interpolate both the variance map and the image itself.}
|
\pararg{ \tt ALL} {interpolate both the \index{variance map} variance map and the \index{image} image itself.}
|
\parhead{{\tt MAG\_GAMMA} }{ }{ {\em float} }
|
\parhead{{\tt MAG\_GAMMA} }{ }{ {\em float} }
|
\parlist{ $\gamma$ of the emulsion (takes effect in {\tt PHOTO} mode only).}\\
|
\parlist{ $\gamma$ of the emulsion (takes effect in {\tt PHOTO} \index{mode} mode only).}\\
|
\parhead{{\tt MAG\_ZEROPOINT} }{ }{ {\em float} }
|
\parhead{{\tt MAG\_ZEROPOINT} }{ }{ {\em float} }
|
\parlist{ Zero-point offset to be applied to magnitudes.}\\
|
\parlist{ Zero-point offset to be applied to magnitudes.}\\
|
\parhead{{\tt MASK\_TYPE} }{ {\tt CORRECT} }{ {\em keyword} }
|
\parhead{{\tt MASK\_TYPE} }{ {\tt CORRECT} }{ {\em keyword} }
|
\parlist{ Method of ``masking'' of neighbours for photometry:}\\
|
\parlist{ Method of ``masking'' of \index{neighbour} \index{neighbours} neighbours for photometry:}\\
|
\pararg{ \tt NONE} {no masking,}
|
\pararg{ \tt NONE} {no \index{masking} masking,}
|
\pararg{ \tt BLANK} {put detected pixels belonging to neighbours to zero,}
|
\pararg{ \tt BLANK} {put detected pixels belonging to \index{neighbour} \index{neighbours} neighbours to zero,}
|
\pararg{ \tt CORRECT} {replace by values of pixels symetric with respect to the source center.}
|
\pararg{ \tt CORRECT} {replace by values of pixels symetric with respect to the source center.}
|
\parhead{{\tt MEMORY\_BUFSIZE} }{ {\tt 1024} }{ {\em integer} }
|
\parhead{{\tt MEMORY\_BUFSIZE} }{ {\tt 1024} }{ {\em integer} }
|
\parlist{ Number of scan-lines in the image-buffer. Multiply by 4 the frame width to
|
\parlist{ Number of scan-lines in the \index{image} image-buffer. Multiply by 4 the frame width to
|
get equivalent memory space in bytes.}\\
|
get equivalent \index{memory} memory space in bytes.}\\
|
\parhead{{\tt MEMORY\_OBJSTACK} }{ {\tt 3000} }{ {\em integer} }
|
\parhead{{\tt MEMORY\_OBJSTACK} }{ {\tt 3000} }{ {\em integer} }
|
\parlist{ Maximum number of objects that the object-stack can contain. Multiply by 300 to get
|
\parlist{ Maximum number of objects that the object-stack can contain. Multiply by 300 to get
|
equivalent memory space in bytes.}\\
|
equivalent \index{memory} memory space in bytes.}\\
|
\parhead{{\tt MEMORY\_PIXSTACK} }{ {\tt 300000} }{ {\em integer} }
|
\parhead{{\tt MEMORY\_PIXSTACK} }{ {\tt 300000} }{ {\em integer} }
|
\parlist{ Maximum number of pixels that the pixel-stack can contain. Multiply by 16 to 32 to get
|
\parlist{ Maximum number of pixels that the pixel-stack can contain. Multiply by 16 to 32 to get
|
equivalent memory space in bytes.}\\
|
equivalent \index{memory} memory space in bytes.}\\
|
\parhead{{\tt PARAMETERS\_NAME} }{ {\tt default.param} }{ {\em string} }
|
\parhead{{\tt PARAMETERS\_NAME} }{ {\tt default.param} }{ {\em string} }
|
\parlist{ The name of the file containing the list of parameters that will be computed and put
|
\parlist{ The name of the file containing the list of parameters that will be computed and put
|
in the catalogue for each object.}\\
|
in the catalogue for each object.}\\
|
\parhead{{\tt PHOT\_APERTURES} }{ {\tt 5} }{ {\em floats}\ $(n \le 32)$ }
|
\parhead{{\tt PHOT\_APERTURES} }{ {\tt 5} }{ {\em floats}\ $(n \le 32)$ }
|
\parlist{ Aperture diameters in pixels (used by {\tt MAG\_APER}).}\\
|
\parlist{ Aperture diameters in pixels (used by {\tt MAG\_APER}).}\\
|
| Line 211... |
Line 211... |
\parlist{ {\tt MAG\_AUTO} minimum (circular) aperture diameters: estimation disk, and
|
\parlist{ {\tt MAG\_AUTO} minimum (circular) aperture diameters: estimation disk, and
|
measurement disk.}\\
|
measurement disk.}\\
|
\parhead{{\tt PHOT\_FLUXFRAC} }{ {\tt 0.5} }{ {\em floats}\ $(n \le 32)$ }
|
\parhead{{\tt PHOT\_FLUXFRAC} }{ {\tt 0.5} }{ {\em floats}\ $(n \le 32)$ }
|
\parlist{ Fraction of {\tt FLUX\_AUTO} defining each element of the {\tt FLUX\_RADIUS} vector.}\\
|
\parlist{ Fraction of {\tt FLUX\_AUTO} defining each element of the {\tt FLUX\_RADIUS} vector.}\\
|
\parhead{{\tt PIXEL\_SCALE} }{ {\tt 1.0} }{ {\em float} }
|
\parhead{{\tt PIXEL\_SCALE} }{ {\tt 1.0} }{ {\em float} }
|
\parlist{ Pixel size in arcsec (for surface brightness parameters, FWHM and star/galaxy separation only).}\\
|
\parlist{ Pixel size in arcsec (for surface brightness parameters, \index{FWHM} FWHM and star/galaxy separation only).}\\
|
\parhead{{\tt SATUR\_LEVEL} }{ {\tt 50000.0} }{ {\em float} }
|
\parhead{{\tt SATUR\_LEVEL} }{ {\tt 50000.0} }{ {\em float} }
|
\parlist{ Pixel value above which it is considered saturated.}\\
|
\parlist{ Pixel value above which it is considered saturated.}\\
|
\parhead{{\tt SEEING\_FWHM} }{ {\tt 1.2} }{ {\em float} }
|
\parhead{{\tt SEEING\_FWHM} }{ {\tt 1.2} }{ {\em float} }
|
\parlist{ FWHM of stellar images in arcsec (only for star/galaxy separation).}\\
|
\parlist{ \index{FWHM} FWHM of stellar \index{image} images in arcsec (only for star/galaxy separation).}\\
|
\parhead{{\tt STARNNW\_NAME} }{ {\tt default.nnw} }{ {\em string} }
|
\parhead{{\tt STARNNW\_NAME} }{ {\tt default.nnw} }{ {\em string} }
|
\parlist{ Name of the file containing the neural-network weights for star/galaxy separation.}\\
|
\parlist{ Name of the file containing the neural-network weights for star/galaxy separation.}\\
|
\parhead{{\tt THRESH\_TYPE} }{ {\tt RELATIVE} }{ {\em keywords}\ $(n
|
\parhead{{\tt THRESH\_TYPE} }{ {\tt RELATIVE} }{ {\em keywords}\ $(n
|
\le 2)$ }
|
\le 2)$ }
|
\parlist{ Meaning of the {\tt DETECT\_THRESH} and
|
\parlist{ Meaning of the {\tt DETECT\_THRESH} and
|
{\tt ANALYSIS\_THRESH} parameters:}\\
|
{\tt ANALYSIS\_THRESH} parameters:}\\
|
\pararg{ \tt RELATIVE} {scaling factor to the background RMS,}
|
\pararg{ \tt RELATIVE} {scaling factor to the \index{background RMS} background RMS,}
|
\pararg{ \tt ABSOLUTE} {absolute level (in ADUs or in surface brightness).}
|
\pararg{ \tt ABSOLUTE} {absolute level (in ADUs or in surface brightness).}
|
\parhead{{\tt VERBOSE\_TYPE} }{ {\tt NORMAL} }{ {\tt keyword} }
|
\parhead{{\tt VERBOSE\_TYPE} }{ {\tt NORMAL} }{ {\tt keyword} }
|
\parlist{ How much {\sc SExtractor} comments its operations:}\\
|
\parlist{ How much {\sc SExtractor} comments its operations:}\\
|
\pararg{ \tt QUIET} {run silently,}
|
\pararg{ \tt QUIET} {run silently,}
|
\pararg{ \tt NORMAL} {display warnings and limited info concerning the work in progress,}
|
\pararg{ \tt NORMAL} {display warnings and limited info concerning the work in progress,}
|
\pararg{ \tt EXTRA\_WARNINGS} {like {\tt NORMAL}, plus a few more warnings if necessary,}
|
\pararg{ \tt EXTRA\_WARNINGS} {like {\tt NORMAL}, plus a few more warnings if necessary,}
|
\pararg{ \tt FULL} {display a more complete information and the principal parameters of all the objects
|
\pararg{ \tt FULL} {display a more complete information and the principal parameters of all the objects
|
extracted.}
|
extracted.}
|
\parhead{{\tt WEIGHT\_GAIN} }{ {\tt Y} }{ {\em boolean} }
|
\parhead{{\tt WEIGHT\_GAIN} }{ {\tt Y} }{ {\em boolean} }
|
\parlist{ If true, weight maps are considered as gain maps.}\\
|
\parlist{ If true, \index{weight map} \index{weight maps} weight maps are considered as \index{gain map} \index{gain maps} \index{gain} gain maps.}\\
|
\parhead{{\tt WEIGHT\_IMAGE} }{ {\tt weight.fits} }{ {\em strings}\ $(n
|
\parhead{{\tt WEIGHT\_IMAGE} }{ {\tt weight.fits} }{ {\em strings}\ $(n
|
\le 2)$ }
|
\le 2)$ }
|
\parlist{ File name of the detection and measurement ``weight-image'', respectively.}\\
|
\parlist{ File name of the detection and measurement ``weight-image'', respectively.}\\
|
\parhead{{\tt WEIGHT\_TYPE} }{ {\tt NONE} }{ {\em keywords} $(n \le 2)$ }
|
\parhead{{\tt WEIGHT\_TYPE} }{ {\tt NONE} }{ {\em keywords} $(n \le 2)$ }
|
\parlist{ Weighting scheme (for single image, or detection and
|
\parlist{ Weighting scheme (for single \index{image} image, or detection and
|
measurement images):}\\
|
measurement \index{image} images):}\\
|
\pararg{ \tt NONE} {no weighting,}
|
\pararg{ \tt NONE} {no weighting,}
|
\pararg{ \tt BACKGROUND} {variance map derived from the image itself,}
|
\pararg{ \tt BACKGROUND} {variance map derived from the \index{image} image itself,}
|
\pararg{ \tt MAP\_RMS} {variance map derived from an external RMS map,}
|
\pararg{ \tt MAP\_RMS} {variance map derived from an external RMS map,}
|
\pararg{ \tt MAP\_VAR} {external variance map,}
|
\pararg{ \tt MAP\_VAR} {external \index{variance map} variance map,}
|
\pararg{ \tt MAP\_WEIGHT} {variance map derived from an external weight map,}
|
\pararg{ \tt MAP\_WEIGHT} {variance map derived from an external \index{weight map} weight map,}
|
\parhead{{\tt WRITE\_XML} }{ {\tt N} }{ {\em boolean} }
|
\parhead{{\tt WRITE\_XML} }{ {\tt N} }{ {\em boolean} }
|
\parlist{ If true, meta-data will be written in XML-VOTable format.}\\
|
\parlist{ If true, meta-data will be written in \index{XML} XML-VOTable format.}\\
|
\parhead{{\tt XML\_NAME} }{ {\tt sex.xml} }{ {\em string} }
|
\parhead{{\tt \index{XML} XML\_NAME} }{ {\tt sex.xml} }{ {\em string} }
|
\parlist{ File name for the XML output of {\sc SExtractor}.}\\
|
\parlist{ File name for the \index{XML} XML output of {\sc SExtractor}.}\\
|
\end{tabbing}
|
\end{tabbing}
|
\gam{I still need to check if parameters are missing with {\tt sex -dd}.}
|
\gam{I still need to check if parameters are missing with {\tt sex -dd}.}
|
|
|
\footnotetext[1]{Optional parameter}
|
\footnotetext[1]{Optional parameter}
|
|
|
