Sky2Pix_Stereographic¶
-
class
astropy.modeling.projections.
Sky2Pix_Stereographic
(*args, **kwargs)[source]¶ 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)Evaluate the model on some input variables.
Methods Documentation