Sky2Pix_HEALPixPolar#
- class astropy.modeling.projections.Sky2Pix_HEALPixPolar(*args, **kwargs)[source]#
Bases:
Sky2PixProjection,HEALPixHEALPix polar, aka “butterfly” projection - pixel to sky.
Corresponds to the
XPHprojection in FITS WCS.
Bases: Sky2PixProjection, HEALPix
HEALPix polar, aka “butterfly” projection - pixel to sky.
Corresponds to the XPH projection in FITS WCS.