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.help setimpars May00 noao.digiphot.daophot
.ih
NAME
setimpars -- save / restore the daophot parameters for a particular image
.ih
USAGE
setimpars image restore update
.ih
PARAMETERS
.ls image
The image for which the daophot parameters are to be saved or restored.
.le
.ls restore
If restore = yes, parfile is "", and the file "image.pars" exists, SETIMPARS
sets the current algorithm parameters by reading in the file "image.pars". If
parfile is not "", then restore is automatically assumed to be yes.
.le
.ls update
If update = yes, SETIMPARS saves the new current values of the DAOPHOT algorithm
parameters in the file \fIimage.pars\fR and any previously existing file of the same name is overwritten.
.le
.ls review = no
Review and/or edit the values of the parameters in the parameter sets DATAPARS,
FINDPARS, CENTERPARS, FITSKYPARS, PHOTPARS, and DAOPARS by calling up the EPAR
task for each of the named parameter sets in turn?
.le
.ls parfile
The name of the input file containing the values of the DAOPHOT algorithm
parameters to be restored. If defined \fIparfile\fR must have been written
by SETIMPARS. If parfile is null (""), SETIMPARS searches for a file named
\fIimage.pars\fR in the user's current directory. If no file is found, the
DAOPHOT algorithm parameters are restored from the files \fIdatapars\fR,
\fIfindpars\fR, \fIcenterpars\fR, \fIfitskypars\fR, \fIphotpars\fR, and
\fIdaopars\fR.
.le
.ls datapars = ""
The name of the file containing the DATAPARS parameter values. Datapars must be
a named DATAPARS parameter set file written by the EPAR task, or "" in which
case the default DATAPARS parameter set in the user's uparm directory is used.
If the parameter \fIunlearn\fR is "yes" and datapars is "", DATAPARS is
unlearned.
.le
.ls findpars = ""
The name of the file containing the FINDPARS parameter values. Findpars
must be a named FINDPARS parameter set file written by the EPAR task, or ""
in which case the default FINDPARS parameter set in the user's uparm
directory is used. If the parameter \fIunlearn\fR is "yes" and findpars
is "", FINDPARS is unlearned.
.le
.ls centerpars = ""
The name of the file containing the CENTERPARS parameter values. Centerpars
must be a named CENTERPARS parameter set file written by the EPAR task, or ""
in which case the default CENTERPARS parameter set in the user's uparm
directory is used. If the parameter \fIunlearn\fR is "yes" and centerpars
is "", CENTERPARS is unlearned.
.le
.ls fitskypars = ""
The name of the file containing the FITSKYPARS parameter values. Fitskypars
must be a named FITSKYPARS parameter set file written by the EPAR task, or ""
in which case the default FITSKYPARS parameter set in the user's uparm
directory is used. If the parameter \fIunlearn\fR is "yes" and fitskypars
is "", FITSKYPARS is unlearned.
.le
.ls photpars = ""
The name of the file containing the PHOTPARS parameter values. Photpars must be
a named PHOTPARS parameter set file written by the EPAR task, or "" in which
case the default PHOTPARS parameter set in the user's uparm directory is used.
If the parameter \fIunlearn\fR is "yes" and photpars is "", PHOTPARS is
unlearned.
.le
.ls daopars = ""
The name of the file containing the DAOPARS parameter values. Daopars must be a
named DAOPARS parameter set file written by the EPAR task, or "" in which case
the default DAOPARS parameter set in the user's uparm directory is used. If the
parameter \fIunlearn\fR is "yes" and daopars is "", DAOPARS is unlearned.
.le
.ls unlearn = no
Return the values of the parameters in the parameter sets DATAPARS, FINDPARS,
CENTERPARS, FITSKYPARS, PHOTPARS, and DAOPARS to their default values?
.le
.ih
DESCRIPTION
SETIMPARS saves and restores the DAOPHOT task and algorithm parameters for the
image \fIimage\fR. On startup SETIMPARS initializes all the DAOPHOT package
input and output coordinates and photometry file names, input and output images,
and input and output plot files to their default values or \fIimage\fR whichever
is appropriate. Next SETIMPARS reads in the values of the algorithm parameters
from \fIparfile\fR if it is defined, or from the file \fIimage.pars\fR if it
exists and \fIrestore\fR is "yes", or from the named parameter set files
\fIdatapars\fR, \fIfindpars\fR, \fIcenterpars\fR, \fIfitskypars\fR,
\fIphotpars\fR, and \fIdaopars\fR if they exist, or from the default parameters
sets in the user's uparm directory. If \fIunlearn\fR is "yes", these default
parameter sets are unlearned.
If \fIreview\fR is "yes", the user can review and or edit the newly set
algorithm parameters in DATAPARS, FINDPARS, CENTERPARS, FITSKYPARS, PHOTPARS,
and DAOPARS using the IRAF EPAR task.
If \fIupdate\fR is "yes", SETIMPARS saves the new current values of the DAOPHOT
algorithm parameters DATAPARS, FINDPARS, CENTERPARS, FITSKYPARS, PHOTPARS, and
DAOPARS in the file \fIimage.pars\fR. Any previously existing file of the same
name is overwritten.
.ih
EXAMPLES
1. Save the current values of the daophot task and algorithm parameters for
the image m92v.
.nf
da> setimpars m92v no yes
... m92v parameters are saved in m92v.pars
.fi
2. Make some minor alterations in the current values of the m92v algorithm
parameters and save the new parameters set.
.nf
da> setimpars m92v no yes
... m92v parameters are saved in new version of m92v.pars
.fi
3. Begin work on the image m92b. Initialize the values of the daophot task
and algorithm parameters for m92b using those stored for m92v. After doing
some preliminary editing and reductions for m92b, save the parameters,
and return to work on m92v.
.nf
da> setimpars m92b yes no parfile=m92v.pars
... current parameters for m92v are set using saved
m92v parameters
da> daoedit m92b
... edit the parameters as necessary for the new image
da> daofind m92b
... find the stars in m92b
da> phot m92b
... do the initial photometry for stars in m92b
da> setimpars m92b no yes
... current m92b parameters are saved in m92b.pars
da> setimpars m92v yes no
... m92v parameters are restored from m92v.pars
.fi
.ih
TIME REQUIREMENTS
.ih
BUGS
.ih
SEE ALSO
daoedit,datapars,findpars,centerpars,fitskypars,photpars,daopars
.endhelp
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