Manpage of imwcs
Section: User Commands (1)
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imwcs - Changes image header for new WCS parameters
IMWCS changes the image header variables related to the WCS
This program is a cheat, and currently assumes a purely linear
coordinate system, i.e. at pixel 'i'
wcs_value = crval + (i-crpix)*cdelt
Only 1 axis at a time can be changed.
If multiple keywords are changed, the order in which they are
changed is: CRVAL, CRPIX, CDELT, CTYPE.
If only a single one is changed, the related one (CRVAL<->CRPIX)
will also be changed, unless auto is set to false.
See also: IMPOS, REGRID, IMFRAME
The input image dataset. No default.
For which axis to change a WCS keyword. Any number between 1 and
the NAXIS value of an image. No default.
Axis reference value to change.
Axis reference pixel to change.
Axis pixel increment to change.
Axis name to change.
Boolean to signify if a single keyword is changed, the related
one should also be changed. E.g. changing crpix should also
crval in a consistent way.
Boolean, if set and crpix is not set, it will set the reference
pixel to the center of the axis, (N+1)/2.
Note that if auto=true and crval not given, a new crval will be
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Time: 18:35:38 GMT, July 05, 2011