sdss_flagval

pydl.pydlutils.sdss.sdss_flagval(flagname, bitname)

Convert bitmask names into values.

Converts human-readable bitmask names into numerical values. The inputs are not case-sensitive; all inputs are converted to upper case internally.

Parameters

flagnamestr

The name of a bitmask group.

bitnamestr or list

The name(s) of the specific bitmask(s) within the flagname group.

Returns

numpy.uint64

The value of the bitmask name(s).

Raises

KeyError

If flagname or bitname are invalid names.

Examples

>>> from pydl.pydlutils.sdss import sdss_flagval
>>> sdss_flagval('ANCILLARY_TARGET1',['BLAZGX','ELG','BRIGHTGAL']) 
2310346608843161600