This is the command mRotate that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
PROGRAM:
NAME
mRotate - Rotate a FITS image by an arbitrary angle
SYNOPSIS
mRotate [-d level] [-s statusfile] [-r rotang] in.fits out.fits [ra dec xsize [ysize]]
DESCRIPTION
Rotates a FITS image by an arbitrary angle. This module is meant for quick-look only; it
is not flux conserving.
OPTIONS
-d level
Print out additional debugging information (level can be 1-3)
-s statusfile
Output and errors are written to statusfile instead of stdout.
-r rotang
Provide an angle (in degrees) to rotate the image.
ARGUMENTS
in.fits
Input FITS image.
out.fits
Path to output (rotated) FITS image.
ra dec xsize
Center location and width (in degrees) of output image - optional. By default,
entire input image area will be included in output image.
ysize Height (in degrees) of output image, if a new center location and width are
provided. Optional - defaults to xsize.
RESULT
[struct stat="OK"]
Output file will contain the same image as the input file, but rotated by rotang degrees.
If a new center location and width were provided, the output image will be the "subimage"
covering that area.
MESSAGES
OK [struct stat="OK"]
ERROR No status file name given
ERROR Cannot open status file: statusfile
ERROR No rotation angle given
ERROR Rotation angle string is invalid: 'rotang'
ERROR No debug level given
ERROR Debug level string is invalid: 'level'
ERROR Debug level value cannot be negative
ERROR Invalid input file 'in.fits'
ERROR Invalid output file 'out.fits'
ERROR Center RA string (ra) cannot be interpreted as a real number
ERROR Center Dec string (dec) cannot be interpreted as a real number
ERROR X size string (xsize) cannot be interpreted as a real number
ERROR Y size string (ysize) cannot be interpreted as a real number
ERROR Invalid 'x' size
ERROR Invalid 'y' size
ERROR Location is off image
ERROR No pixels match output area
ERROR No pixels match input area
ERROR wcsinit() failed
ERROR Image file in.fits missing or invalid FITS
ERROR FITS library error
EXAMPLES
$ mRotate -r 90 in.fits out.fits
[struct stat="OK"]
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