Sky2Pix_Mercator¶
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class
astropy.modeling.projections.Sky2Pix_Mercator(*args, meta=None, name=None, **kwargs)[source] [edit on github]¶ Bases:
astropy.modeling.projections.Sky2PixProjection,astropy.modeling.projections.CylindricalMercator - sky to pixel.
Corresponds to the
MERprojection in FITS WCS.\[\begin{split}x &= \phi \\ y &= \frac{180^{\circ}}{\pi}\ln \tan \left(\frac{90^{\circ} + \theta}{2}\right)\end{split}\]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