[AstroPy] Astropy 0.3 and TPV projection
d.berry at jach.hawaii.edu
Tue Dec 3 15:20:48 EST 2013
On 3 December 2013 20:15, Kyle Barbary <kyle at anl.gov> wrote:
> The TPV projection  is also being used by the Dark Energy Survey. I
> think support for TPV would have to be implemented in Mark Calabretta's
> wcslib C library, which underlies astropy.wcs. It seems like programs that
> do support TPV generally use the "other" wcs library . Does anyone know
> if support for TPV is planned for wcslib?
> It would be really nice to have.
Not part of astropy, but pyast includes support for TPV. pyast is a python
wrapper round the AST library, which is the WCS library used by DS9. See:
>  http://fits.gsfc.nasa.gov/registry/tpvwcs.html
>  http://tdc-www.harvard.edu/software/wcstools/libwcs.subs.html
> On Tue, Nov 26, 2013 at 11:54 AM, Jean-Baptiste Marquette <marquett at iap.fr
> > wrote:
>> Hi Astropy gurus,
>> I'm just testing this new and impressive release with images from the SSO
>> SkyMapper telescope, and got trouble with the TPV projection, since these
>> images were calibrated using Emmanuel Bertin's SCAMP package. The message
>> WARNING: FITSFixedWarning: 'celfix' made the change 'Unrecognized
>> projection code (TPV in CTYPE1)'. [astropy.wcs.wcs]
>> I previously seamlessly used the astLib package, and both ds9 and
>> Gaia/Starlink image browsers recognize the TPV projection. Integration in
>> Astropy's wcs module would be greatly appreciated as well.
>> Thanks for your help,
>> AstroPy mailing list
>> AstroPy at scipy.org
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> AstroPy at scipy.org
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