astropy:docs

Sky2Pix_STG

class astropy.modeling.projections.Sky2Pix_STG[source] [edit on github]

Bases: astropy.modeling.projections.Sky2PixProjection, astropy.modeling.projections.Zenithal

STG : Stereographic Projection - sky to pixel.

See Zenithal for a definition of the full transformation.

R_\theta = \frac{180^{\circ}}{\pi}\frac{2 \cos \theta}{1 + \sin \theta}

Attributes Summary

inverse

Methods Summary

evaluate(phi, theta)

Attributes Documentation

inverse

Methods Documentation

classmethod evaluate(phi, theta)[source] [edit on github]

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