def test_ROOT():
a = ROOT.TH1F("a", "a", 10, 0, 1)
assert_true(isinstance(a, _Hist))
b = ROOT.Hist(10, 0, 1, type='F')
assert_equal(a.TYPE, b.TYPE)
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)
# --EventLoop start
for entry in range(0, numberOfEntries):
# Load selected branches with data from specified event
treeReader.ReadEntry(entry)
# If event contains at least 1 electrons
if branchElectron.GetEntries() == 0:
continue
# Take e, ve
elec = branchElectron.At(0)
metc = branchMET.At(0)
print("Temporary filename: {}".format(filename))
f.seek(0, os.SEEK_END)
print("f length with localfile: {}".format(f.tell()))
f.write("Appended information in temp file.\n")
f.seek(0)
print("f.read(): {}".format(f.read()))
except ErrorInGettingFile as e:
print(e)
if rootFile:
try:
with FileWithLocalFilename(
filename="246980/EMC/EMChists.2015_12_13_5_7_22.root",
writeFile=writeFile) as filename:
print("Temporary filename: {}".format(filename))
testHist = ROOT.TH1F("testHist", "testHist", 10, 0, 10)
testHist.Fill(3)
# Stricktly speaking, this only works on unix! But this should be fine for our purposes,
# as Overwatch is not designed to work on Windows anyway.
# "RECREATE" will not work, as the file is being recreated in a way that isn't
# compatiable with the temp file!
with rootpy.io.root_open(filename, "UPDATE") as f:
print("f.ls() pre write:")
# Needs to be in a separate line. Otherwise, it will print before saying "pre/post write"
f.ls()
# Write hist
testHist.Write()
# Needs to be in a separate line. Otherwise, it will print before saying "pre/post write"
print("f.ls() post write:")
"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)
# --EventLoop start
for entry in range(0, numberOfEntries):
# Load selected branches with data from specified event
treeReader.ReadEntry(entry)
# If event contains at least 1 electrons
if branchParticle.GetEntries() == 0:
continue
for i in range(0, branchParticle.GetEntries()):
a = branchParticle.At(i)
outputFile = root_open("powheg_muon.root", "recreate")
# 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", 100, 0, 400.0)
# --EventLoop start
for entry in range(0, numberOfEntries):
# Load selected branches with data from specified event
treeReader.ReadEntry(entry)
# If event contains at least 1 electrons
if branchParticle.GetEntries() == 0:
continue
for i in range(0, branchParticle.GetEntries()):
a = branchParticle.At(i)
if abs(a.PID) in [11, 12, 13, 14]:
histPT.Fill(a.PT)
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)
histMET = ROOT.TH1F("met", "MET distribution",100, 0, 400.0)
# --EventLoop start
for entry in range(0, numberOfEntries):
# Load selected branches with data from specified event
treeReader.ReadEntry(entry)
# If event contains at least 1 electrons
if branchMET.GetEntries() == 0:
continue
# Take
# Elec = branchElec.At(0)
Metc = branchMET.At(0)
