DecayHashMap Class Reference

Public Member Functions
def	__init__ (self, rootfile, removeRadiativeGammaFlag=False)
def	get_string (self, decayHash, decayHashExtended)
def	get_original_decay (self, decayHash, decayHashExtended)
def	get_reconstructed_decay (self, decayHash, decayHashExtended)
def	print_hash (self, decayHash, decayHashExtended)

Private Attributes
	_string
	Dict Int -> DecayStrings.
	_forest
	Dict Int -> Reconstructed DecayTree.

Detailed Description

DecayHashMap using the C++ implementation of DecayTree and DecayNode

Definition at line 49 of file decayHash.py.

Constructor & Destructor Documentation

__init__()

def __init__	(		self,
			rootfile,
			removeRadiativeGammaFlag = False
	)

Constructor

Definition at line 54 of file decayHash.py.

    def __init__(self, rootfile, removeRadiativeGammaFlag=False):
        """Constructor"""
        # Always avoid the top-level 'import ROOT'.
        import ROOT  # noqa
        with uproot.open(rootfile) as rf:
            trees = rf.keys()
            assert len(trees) == 1
            ntuple = rf[trees[0]].arrays(library='np')
        # self._removeGammaFlag = removeRadiativeGammaFlag
        
        self._string = {}
        
        self._forest = {}
        for decayHash, decayHashExtended, decayString in zip(
                ntuple['decayHash'], ntuple['decayHashExtended'], ntuple['decayString']):
            decayInt = ROOT.Belle2.DecayForest.decayHashFloatToInt(decayHash, decayHashExtended)
            if decayInt in self._string:
                continue
            self._string[decayInt] = decayString
            self._forest[decayInt] = ROOT.Belle2.DecayForest(decayString, True, removeRadiativeGammaFlag)
 

Member Function Documentation

get_original_decay()

def get_original_decay	(		self,
			decayHash,
			decayHashExtended
	)

Return original (MC) DecayTree given the decayHash and decayHashExtended
@param decayHash output of extraInfo(decayHash)
@param decayHashExtended output of extraInfo(decayHashExtended)

Definition at line 85 of file decayHash.py.

get_reconstructed_decay()

def get_reconstructed_decay	(		self,
			decayHash,
			decayHashExtended
	)

Return reconstructed DecayTree given the decayHash and decayHashExtended
@param decayHash output of extraInfo(decayHash)
@param decayHashExtended output of extraInfo(decayHashExtended)

Definition at line 95 of file decayHash.py.

get_string()

def get_string	(		self,
			decayHash,
			decayHashExtended
	)

Return DecayString given the decayHash and decayHashExtended
@param decayHash output of extraInfo(decayHash)
@param decayHashExtended output of extraInfo(decayHashExtended)

Definition at line 75 of file decayHash.py.

print_hash()

def print_hash	(		self,
			decayHash,
			decayHashExtended
	)

Print the DecayString in a fancy way given the decayHash and decayHashExtended
@param decayHash output of extraInfo(decayHash)
@param decayHashExtended output of extraInfo(decayHashExtended)

Definition at line 105 of file decayHash.py.

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The documentation for this class was generated from the following file:

• analysis/scripts/decayHash.py