Example #1
0
try:
  ROOT.gInterpreter.Declare('#include "classes/DelphesClasses.h"')
  ROOT.gInterpreter.Declare('#include "external/ExRootAnalysis/ExRootTreeReader.h"')
except:
  pass



# Read & Write File
inputFile = args.infile

if args.save:
	outputFile = root_open("W-mass.root","recreate")

# Create chain of root trees
chain = ROOT.TChain("Delphes")
chain.Add(inputFile)

# Create object of class ExRootTreeReader
treeReader = ROOT.ExRootTreeReader(chain)
numberOfEntries = treeReader.GetEntries()

# Get pointers to branches used in this analysis
branchMET = treeReader.UseBranch("MissingET")
branchElectron = treeReader.UseBranch("Electron")

# Define histograms
histMass = ROOT.TH1F("mass", "W^{+} Transverse Mass",100, 0, 300.0)


Example #2
0
        '#include "/home/twkim/MG5_aMC_v2_7_3/ExRootAnalysis/ExRootAnalysis/ExRootClasses.h"'
    )
    ROOT.gInterpreter.Declare(
        '#include "/home/twkim/MG5_aMC_v2_7_3/ExRootAnalysis/ExRootAnalysis/ExRootTreeReader.h"'
    )
except:
    pass

# Read & Write File

inputFile = sys.argv[1]
outputFile = ROOT.TFile.Open("BKG_ttbar_bpt.root",
                             "recreate")  ### <- Set Your output file name

# Create chain of root trees
chain = ROOT.TChain("LHEF")
chain.Add(inputFile)

# Create object of class ExRootTreeReader
treeReader = ROOT.ExRootTreeReader(chain)
numberOfEntries = treeReader.GetEntries()

# Get pointers to branches used in this analysis
branchParticle = treeReader.UseBranch("Particle")
# branchElectron = treeReader.UseBranch("Electron")

# Define histograms
histPT = ROOT.TH1F("pt", "p_{T} distribution", 80, 0, 400.0)
histEta = ROOT.TH1F("eta", "eta distribution", 100, -10, 10)
histPhi = ROOT.TH1F("phi", "phi distribution", 100, -10, 10)
Example #3
0
 def total_entries(files, tree):
     from rootpy import ROOT
     chain = ROOT.TChain(tree)
     for _file in files:
         chain.Add(_file)
     return chain.GetEntries()
Example #4
0
try:
  ROOT.gInterpreter.Declare('#include "/home/twkim/Delphes3.4.2/classes/DelphesClasses.h"')
  ROOT.gInterpreter.Declare('#include "/home/twkim/MG5_aMC_v2_7_3/ExRootAnalysis/ExRootAnalysis/ExRootTreeReader.h"')
except:
  pass



# Read & Write File
inputFile = args.infile

if args.save:
	outputFile = root_open("delph_tt_METlo.root","recreate")

# Create chain of root trees
chain = ROOT.TChain("Delphes;1")
chain.Add(inputFile)

# Create object of class ExRootTreeReader
treeReader = ROOT.ExRootTreeReader(chain)
numberOfEntries = treeReader.GetEntries()

# Get pointers to branches used in this analysis
# branchElec = treeReader.UseBranch("Electron")
# branchMuon = treeReader.UseBranch("Muon")
branchMET = treeReader.UseBranch("MissingET")


# Define histograms
# histElecPT = ROOT.TH1F("ept", "P_{T} distribution",100, 0, 400.0)
# histMuonPT = ROOT.TH1F("mpt", "P_{T} distribution",100, 0, 400.0)