Bases: astropy.modeling.projections.Sky2PixProjection, astropy.modeling.projections.Zenithal
Zenithal equidistant projection - sky to pixel.
Corresponds to the ARC projection in FITS WCS.
See Zenithal for a definition of the full transformation.
R_\theta = 90^\circ - \theta
Methods Summary
evaluate(phi, theta) |
Methods Documentation