pix2vec : nside,ipix,nest=False -> x,y,z (default RING)
Parameters : | nside : int, scalar or array-like
ipix : int, scalar or array-like
nest : bool, optional
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Returns : | x, y, z : floats, scalar or array-like
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Examples
>>> import healpy as hp
>>> hp.pix2vec(16, 1504)
(0.99879545620517241, 0.049067674327418015, 0.0)
>>> hp.pix2vec(16, [1440, 427])
(array([ 0.99913157, 0.5000534 ]), array([ 0. , 0.5000534]), array([ 0.04166667, 0.70703125]))
>>> hp.pix2vec([1, 2], 11)
(array([ 0.52704628, 0.68861915]), array([-0.52704628, -0.28523539]), array([-0.66666667, 0.66666667]))