Pix2Sky_CYP¶
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class
astropy.modeling.projections.
Pix2Sky_CYP
[source] [edit on github]¶ Bases:
astropy.modeling.projections.Pix2SkyProjection
,astropy.modeling.projections.Cylindrical
CYP : Cylindrical perspective - pixel to sky.
\phi &= \frac{x}{\lambda} \\ \theta &= \arg(1, \eta) + \sin{-1}\left(\frac{\eta \mu}{\sqrt{\eta^2 + 1}}\right)
where:
\eta = \frac{\pi}{180^{\circ}}\frac{y}{\mu + \lambda}
Parameters: mu : float
distance from center of sphere in the direction opposite the projected surface, in spherical radii, default is 0.
lam : float
radius of the cylinder in spherical radii, default is 0.
Attributes Summary
inverse
param_names
Methods Summary
evaluate
(x, y, mu, lam)Attributes Documentation
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inverse
¶
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lam
¶
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mu
¶
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param_names
= ('mu', 'lam')¶
Methods Documentation
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classmethod
evaluate
(x, y, mu, lam)[source] [edit on github]¶
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