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