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from lsst.sims.utils import _galacticFromEquatorial 

from lsst.sims.maf.maps import BaseMap 

 

__all__ = ['GalCoordsMap'] 

 

class GalCoordsMap(BaseMap): 

def __init__(self): 

self.keynames = ['gall', 'galb'] 

 

def run(self, slicePoints): 

gall, galb = _galacticFromEquatorial(slicePoints['ra'],slicePoints['dec']) 

slicePoints['gall'] = gall 

slicePoints['galb'] = galb 

return slicePoints