Sky2Pix_Molleweide¶
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class
astropy.modeling.projections.
Sky2Pix_Molleweide
(*args, meta=None, name=None, **kwargs)[source] [edit on github]¶ Bases:
astropy.modeling.projections.Sky2PixProjection
,astropy.modeling.projections.PseudoCylindrical
Molleweide’s projection - sky to pixel.
Corresponds to the
MOL
projection in FITS WCS.\[\begin{split}x &= \frac{2 \sqrt{2}}{\pi} \phi \cos \gamma \\ y &= \sqrt{2} \frac{180^\circ}{\pi} \sin \gamma\end{split}\]where \(\gamma\) is defined as the solution of the transcendental equation:
\[\sin \theta = \frac{\gamma}{90^\circ} + \frac{\sin 2 \gamma}{\pi}\]Methods Summary
evaluate
(phi, theta)Evaluate the model on some input variables. Methods Documentation
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classmethod
evaluate
(phi, theta)[source] [edit on github]¶ Evaluate the model on some input variables.
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classmethod