Sky2Pix_Gnomonic¶
-
class
astropy.modeling.projections.
Sky2Pix_Gnomonic
[source] [edit on github]¶ Bases:
astropy.modeling.projections.Sky2PixProjection
,astropy.modeling.projections.Zenithal
Gnomonic Projection - sky to pixel.
Corresponds to the
TAN
projection in FITS WCS.See
Zenithal
for a definition of the full transformation.\[R_\theta = \frac{180^{\circ}}{\pi}\cot \theta\]Methods Summary
evaluate
(phi, theta)Methods Documentation
-
classmethod
evaluate
(phi, theta)[source] [edit on github]¶
-
classmethod