Sky2Pix_SansonFlamsteed

class astropy.modeling.projections.Sky2Pix_SansonFlamsteed(*args, meta=None, name=None, **kwargs)[source]

Bases: astropy.modeling.projections.Sky2PixProjection, astropy.modeling.projections.PseudoCylindrical

Sanson-Flamsteed projection - sky to pixel.

Corresponds to the SFL projection in FITS WCS.

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

Methods Summary

evaluate(phi, theta) Evaluate the model on some input variables.

Methods Documentation

classmethod evaluate(phi, theta)[source]

Evaluate the model on some input variables.