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ccdflip - flip an image in X,Y,Z
ccdflip [parameter=value]
ccdflip flips the data along one of the principal axes (X,
Y or Z) of an image. Not all permutations were implemented, as this program
was a quick hack.
By default it now also adjusts the WCS (which historically
was never the case, only the data were flipped). To retain the old behavior,
wcs=f needs to be used.
The following parameters are recognized
in order; they may be given in any order if the keyword is also given. Use
--help to confirm this man page is up to date.
- in=
- Input image file. No default.
- out=
- Output image file. No default.
- flip=x|y|z|xy
- Flip in x,y or z? Use ’xy’
for flipping axes on square images. If an unknown axis is given, no flipping
is done, the data is passed unchanged. Default: x
- wcs=t|f
- Should be WCS be
adjusted as well? Default: f
ccdsub(1NEMO)
, ccdreorder(1NEMO)
,
image(5NEMO)
To rotate an image by 90 degrees (clockwise) use
two flips:
ccdflip gal1.ccd - xy | - gal2.ccd y
Peter Teuben
22-Feb-97 man written PJT
15-jul-2019 example added PJT
15-sep-2023 V2.0 added wcs= PJT
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