[fitsbits] WCS coordinates for North/South Pole composite image?

[Doug Mink]

Steve Allen said:

> I do not know whether ds9 or the NOAO mscdisplay programs currently
> grok the ZEA CTYPE, but they can do the tiling.  Unfortunately the
> tiling is currently accomplished by using rather obscure non-WCS
> keywords.

My subroutine library which is used by ds9, SAOtng, and SAOimage,
supports all of the standard FITS WCS projections including ZEA.

-Doug Mink
  http://tdc-www.harvard.edu/software/wcstools/wcstools.fits.html