Pix2Sky_SansonFlamsteed

class astropy.modeling.projections.Pix2Sky_SansonFlamsteed(*args, **kwargs)[source] [edit on github]

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

Sanson-Flamsteed projection - pixel to sky.

Corresponds to the SFL projection in FITS WCS.

\[\begin{split}\phi &= \frac{x}{\cos y} \\ \theta &= y\end{split}\]

Methods Summary

evaluate(x, y)

Methods Documentation

classmethod evaluate(x, y)[source] [edit on github]