Pix2Sky_SlantZenithalPerspective¶
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class
astropy.modeling.projections.
Pix2Sky_SlantZenithalPerspective
[source] [edit on github]¶ Bases:
astropy.modeling.projections.Pix2SkyProjection
,astropy.modeling.projections.Zenithal
Slant zenithal perspective projection - pixel to sky.
Corresponds to the
SZP
projection in FITS WCS.Parameters: mu : float
Distance from point of projection to center of sphere in spherical radii, μ. Default is 0.
phi0 : float
The longitude φ₀ of the reference point, in degrees. Default is 0°.
theta0 : float
The latitude θ₀ of the reference point, in degrees. Default is 90°.
Attributes Summary
mu
param_names
phi0
theta0
Methods Summary
check_mu
(*args, **kwargs)Deprecated since version 1.1.
evaluate
(x, y, mu, phi0, theta0)Attributes Documentation
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mu
¶
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param_names
= ('mu', 'phi0', 'theta0')¶
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phi0
¶
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theta0
¶
Methods Documentation
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check_mu
(*args, **kwargs)[source] [edit on github]¶ Deprecated since version 1.1: this method was never intended as part of the public API and will be removed; if you do need its functionality use model.mu.validator(val)
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classmethod
evaluate
(x, y, mu, phi0, theta0)[source] [edit on github]¶
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