Sky2Pix_Gnomonic¶
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class
astropy.modeling.projections.Sky2Pix_Gnomonic(*args, meta=None, name=None, **kwargs)[source] [edit on github]¶ Bases:
astropy.modeling.projections.Sky2PixProjection,astropy.modeling.projections.ZenithalGnomonic Projection - sky to pixel.
Corresponds to the
TANprojection in FITS WCS.See
Zenithalfor a definition of the full transformation.\[R_\theta = \frac{180^{\circ}}{\pi}\cot \theta\]Methods Summary
evaluate(phi, theta)Methods Documentation
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classmethod
evaluate(phi, theta)[source] [edit on github]¶
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classmethod