Convert pixel number from NESTED ordering to RING ordering.
Parameters : | nside : int, scalar or array-like
ipix : int, scalar or array-like
|
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Returns : | ipix : int, scalar or array-like
|
Examples
>>> import healpy as hp
>>> hp.nest2ring(16, 1130)
1504
>>> hp.nest2ring(2, range(10))
array([13, 5, 4, 0, 15, 7, 6, 1, 17, 9])
>>> hp.nest2ring([1, 2, 4, 8], 11)
array([ 11, 2, 12, 211])