ntuple.TrackingNtuple Class Reference

Inheritance diagram for ntuple.TrackingNtuple:

Public Member Functions
def	__init__
def	__iter__
def	hasHits
def	hasSeeds
def	nevents
def	tree

Private Attributes
	_entries
	_file
	_tree

Detailed Description

Class abstracting the whole ntuple/TTree.

Main benefit is to provide nice interface for
- iterating over events
- querying whether hit/seed information exists

Definition at line 265 of file ntuple.py.

Constructor & Destructor Documentation

def ntuple.TrackingNtuple.__init__	(		self,
			fileName,
			tree = "trackingNtuple/tree"
	)

Constructor.

Arguments:
fileName -- String for path to the ROOT file
tree     -- Name of the TTree object inside the ROOT file (default: 'trackingNtuple/tree')

Definition at line 272 of file ntuple.py.

    def __init__(self, fileName, tree="trackingNtuple/tree"):
        """Constructor.

        Arguments:
        fileName -- String for path to the ROOT file
        tree     -- Name of the TTree object inside the ROOT file (default: 'trackingNtuple/tree')
        """
        super(TrackingNtuple, self).__init__()
        self._file = ROOT.TFile.Open(fileName)
        self._tree = self._file.Get(tree)
        self._entries = self._tree.GetEntriesFast()