rootpy.tree.TreeChain

class rootpy.tree.TreeChain(name, files, **kwargs)

A ROOT.TChain replacement

Draw(*args, **kwargs)

Loop over subfiles, draw each, and sum the output into a single histogram.

draw(*args, **kwargs)

Loop over subfiles, draw each, and sum the output into a single histogram.

reset()

Reset the chain to the first file Note: not valid when in queue mode