Content-type: text/html Manpage of imstack

imstack

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NAME

imstack - Stack images with median filtering and optional scaling  

PERSON RESPONSIBLE

pjt  

CATEGORIES

map combination  

DESCRIPTION

IMSTACK is a MIRIAD task which combines several identical images or cube into one. Some optional filtering (e.g. median) can be done. See also: IMCOMB (for weighted averaging)  

PARAMETERS

in
Name of the input image datasets. Several should be given. Wildcards are supported, though be careful with the use of refmap in which order they will be read.
out
The name of the output dataset.
refindex
If choosen, this is the reference map to which all maps are scaled up to using a linear fit forced through 0. The number picked will be the refmap'd entry in the in= list, 1 being the first. You can override the scaling factors if given via the scale= keyword Default: 0
refmap
If choosen, this is the actual filename for the reference map. Instead of giving a reference map index, as in the previous keyword. Usage of this keyword will also override any value given for refindex.
scale
Multiplicative scale factor for each map given before filtering. By default all are 1 and a median filter is used.
cutoff
Only values above this will be used in a refmap/refindex scaling.
options
Extra processing options. resid compute a '.res' cube/map for each input cube/map
           <res> = <in> - <out>
           When a refmap is used, <res> = S*<in> - <out>
           where <a> is the fitted slope <out>/<in>
mean compute the mean instead of median


 

Index

NAME
PERSON RESPONSIBLE
CATEGORIES
DESCRIPTION
PARAMETERS

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Time: 18:35:38 GMT, July 05, 2011