Pix2Sky_CylindricalEqualArea¶
-
class
astropy.modeling.projections.
Pix2Sky_CylindricalEqualArea
(lam=1, **kwargs)[source]¶ Bases:
astropy.modeling.projections.Pix2SkyProjection
,astropy.modeling.projections.Cylindrical
Cylindrical equal area projection - pixel to sky.
Corresponds to the
CEA
projection in FITS WCS.\[\begin{split}\phi &= x \\ \theta &= \sin^{-1}\left(\frac{\pi}{180^{\circ}}\lambda y\right)\end{split}\]- Parameters
- lamfloat
Radius of the cylinder in spherical radii, λ. Default is 0.
Attributes Summary
Methods Summary
evaluate
(x, y, lam)Evaluate the model on some input variables.
Attributes Documentation
-
lam
= Parameter('lam', value=1.0)¶
-
param_names
= ('lam',)¶
Methods Documentation