Sky2Pix_Stereographic¶
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class
astropy.modeling.projections.
Sky2Pix_Stereographic
[source] [edit on github]¶ Bases:
astropy.modeling.projections.Sky2PixProjection
,astropy.modeling.projections.Zenithal
Stereographic Projection - sky to pixel.
Corresponds to the
STG
projection in FITS WCS.See
Zenithal
for a definition of the full transformation.\[R_\theta = \frac{180^{\circ}}{\pi}\frac{2 \cos \theta}{1 + \sin \theta}\]Methods Summary
evaluate
(phi, theta)Methods Documentation
-
classmethod
evaluate
(phi, theta)[source] [edit on github]¶
-
classmethod