dumpFileToPlots.py

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# Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
 
 
# External dependencies
import ROOT
import sys
import re
import math
 
 
# Control switch
IsDebug = False
 
 
 
fileName = "/afs/cern.ch/user/d/delsart/public/COMMON/NTUP_COMMON_new.root"
treeName = "physics"
pdfName  = "plots.pdf"
 
if len(sys.argv) < 2:
  print ("Too few arguments.  Expected the following:")
  print ("1. Root file to dump (required)")
  print ("2. Tree name in the file (optional, default=\"physics\")")
  print ("3. Output plot file (optional, default=\"plots.pdf\")")
  if not IsDebug:
    exit(1)
 
if len(sys.argv) > 1:
  fileName = sys.argv[1]
if len(sys.argv) > 2:
  treeName = sys.argv[2]
if len(sys.argv) > 3:
  pdfName  = sys.argv[3]
 
 
inFile = ROOT.TFile(fileName,"READ")
tree   = inFile.Get(treeName)
if not isinstance(tree,ROOT.TTree) :
  print ("File does not contain the specified tree.  Is the tree name correct?")
  print ("File: ",fileName)
  print ("Tree: ",treeName)
  exit(2)
 
 
 
 
from JetValidation.D3PDHistoBuildLib import HistoBuilderFromD3PD,isSupportedType
 
builder = HistoBuilderFromD3PD(tree)
 
print ("Adding branches...")
for aBranch in sorted(tree.GetSetOfTreeBranchNames()):
  if str.startswith(aBranch,"jet_") or str.startswith(aBranch,"MET_"):
    if isSupportedType(tree.GetBranchType(aBranch)):
      builder.addHistos(aBranch)
 
print ("\nRunning event loop...")
builder.eventLoop()
print ("Done event loop!")
 
#builder.dumpAllHistosToFile(pdfName)
builder.dumpStructuredPDF(pdfName)
builder.saveHistos(pdfName.replace('.pdf','.root'))
builder.saveHistoBins(pdfName.replace('.pdf','.pck'))
 
inFile.Close()