Pix2Sky_Gnomonic¶
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class
astropy.modeling.projections.Pix2Sky_Gnomonic(*args, meta=None, name=None, **kwargs)[source] [edit on github]¶ Bases:
astropy.modeling.projections.Pix2SkyProjection,astropy.modeling.projections.ZenithalGnomonic projection - pixel to sky.
Corresponds to the
TANprojection in FITS WCS.See
Zenithalfor a definition of the full transformation.\[\theta = \tan^{-1}\left(\frac{180^{\circ}}{\pi R_\theta}\right)\]Methods Summary
evaluate(x, y)Methods Documentation
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classmethod
evaluate(x, y)[source] [edit on github]¶
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classmethod