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Image alignment

Ximview keeps all images aligned, so that when swapping between tabs, the same region is displayed in each case. This is only possible if the images are all the same size, and if they have coordinate information it must be consistent. All images loaded after the initial set-up, via Load FITS or Load image file on the file menu or via running Ximview again, are checked for agreement and will be rejected if there is a serious disagreement. Warnings are issued if the coordinates disagrees in that one or other image does not have coordinates properly set (including astrometry keywords for astronomical images).
J. P. Leahy
Jodrell Bank Centre for Astrophysics, and
Osservatorio Astronomico di Trieste
jpl@jb.man.ac.uk
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