Pix2Sky_ZenithalEqualArea¶
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class
astropy.modeling.projections.Pix2Sky_ZenithalEqualArea(*args, meta=None, name=None, **kwargs)[source] [edit on github]¶ Bases:
astropy.modeling.projections.Pix2SkyProjection,astropy.modeling.projections.ZenithalZenithal equidistant projection - pixel to sky.
Corresponds to the
ZEAprojection in FITS WCS.See
Zenithalfor a definition of the full transformation.\[\theta = 90^\circ - 2 \sin^{-1} \left(\frac{\pi R_\theta}{360^\circ}\right)\]Methods Summary
evaluate(x, y)Evaluate the model on some input variables. Methods Documentation
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classmethod
evaluate(x, y)[source] [edit on github]¶ Evaluate the model on some input variables.
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classmethod