Sky2Pix_SlantOrthographic¶
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class
astropy.modeling.projections.
Sky2Pix_SlantOrthographic
(xi=0.0, eta=0.0, **kwargs)[source] [edit on github]¶ Bases:
astropy.modeling.projections.Sky2PixProjection
,astropy.modeling.projections.Zenithal
Slant orthographic projection - sky to pixel.
Corresponds to the
SIN
projection in FITS WCS.See
Zenithal
for a definition of the full transformation.The following transformation applies when
and
are both zero.
But more specifically are:
Attributes Summary
eta
param_names
xi
Methods Summary
evaluate
(phi, theta, xi, eta)Attributes Documentation
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eta
¶
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param_names
= ('xi', 'eta')¶
-
xi
¶
Methods Documentation
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classmethod
evaluate
(phi, theta, xi, eta)[source] [edit on github]¶
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