Bases: astropy.modeling.projections.Pix2SkyProjection, astropy.modeling.projections.Zenithal
Stereographic Projection - pixel to sky.
Corresponds to the STG projection in FITS WCS.
See Zenithal for a definition of the full transformation.
\theta = 90^{\circ} - 2 \tan^{-1}\left(\frac{\pi R_\theta}{360^{\circ}}\right)
Methods Summary
evaluate(x, y) |
Methods Documentation