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ccdsub - sub/average of an image
ccdsub [parameter=value]
ccdsub
takes a subimage from an image, as described by a new set of coordinates
in X, Y and/or Z (since the expression of the selected axes is arbitrary,
the resulting coordinate system may be bogus).
Since cubes/images produced
by this program may have dummy axes (length 1), you will need to use ccdslice(1NEMO)
to get rid of them.
The following parameters are recognized in
any order if the keyword is also given:
- in=
- Input image file
- out=
- Output image file
- x=
- X coordinates to select. Valid numbers are 1..nx.
By default all will be selected.
- y=
- Y coordinates to select. Valid numbers
are 1..ny. By default all will be selected.
- z=
- Z coordinates to select. Valid
numbers are 1..nz. By default all will be selected.
- aver=
- Coordinates to average
- nxaver=
- Number X to aver (size remains same)
- nyaver=
- Number Y to
aver (size remains same)
- skip=
- Coordinates to skip
ccdslice(1NEMO)
,
ccdmom(1NEMO)
, image(5NEMO)
Peter Teuben
1993 code written PJT
22-Feb-97 man page written PJT
12-aug-02 more doc PJT
17-jun-03 WCS for simple subsetting PJT
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