Pix2Sky_ZenithalEquidistant

class astropy.modeling.projections.Pix2Sky_ZenithalEquidistant(*args, **kwargs)

Bases: astropy.modeling.projections.Pix2SkyProjection, astropy.modeling.projections.Zenithal

Zenithal equidistant projection - pixel to sky.

Corresponds to the ARC projection in FITS WCS.

See Zenithal for a definition of the full transformation.

\[\theta = 90^\circ - R_\theta\]