[AstroPy] pyregion and astropy -- differences of pywcs and astropy.wcs
Slavin, Jonathan
jslavin at cfa.harvard.edu
Tue Oct 21 11:48:17 EDT 2014
Hi,
I've run into an issue with using pyregion that seems to be related to
differences in the API for pywcs vs. astropy.wcs. This may be discussed
somewhere, but I didn't run across it. The problem is that pyregion wants
to invoke a wcs_sky2pix method for an astropy.wcs.wcs.WCS object.
Apparently pywcs.WCS objects have this method. So I'm wondering, is the
pywcs wcs_sky2pix method the same as the astropy.wcs method wcs_world2pix?
If so, then the fix to pyregion is easy.
Regards,
Jon
--
________________________________________________________
Jonathan D. Slavin Harvard-Smithsonian CfA
jslavin at cfa.harvard.edu 60 Garden Street, MS 83
phone: (617) 496-7981 Cambridge, MA 02138-1516
fax: (617) 496-7577 USA
________________________________________________________
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