uniq_to_level_ipix¶
- astropy_healpix.uniq_to_level_ipix(uniq)[source]¶
Convert a HEALPix cell uniq number to its (level, ipix) equivalent.
A uniq number is a 64 bits integer equaling to : ipix + 4*(4**level). Please read this paper for more details about uniq numbers.
- Parameters:
- uniqint
The uniq number of a HEALPix cell.
- Returns:
- level, ipix: int, int
The level and index of the HEALPix cell computed from
uniq.