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