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0001 /** class PhysicsTools/PatExamples/PatTauAnalyzer
0002 *
0003 * Tutorial on pat::Taus
0004 *
0005 * author: Christian Veelken, UC Davis
0006 *
0007 * NOTE: The tutorial has been prepared and tested using CMSSW_2_2_13.
0008 * In order to run the tutorial, you need to check-out newer versions
0009 * of the following packages from cvs:
0010 *
0011 * cvs co -r CMSSW_2_2_13 PhysicsTools/PatAlgos
0012 * cvs up -r 1.2.2.6 PhysicsTools/PatAlgos/python/tools/tauTools.py
0013 * cvs co -r global_PFTau_22X_V00-02-03 RecoTauTag
0014 * cvs co -r V00-12-01-02 DataFormats/TauReco
0015 *
0016 * After you compiled these packages (by executing 'scramv1 b'),
0017 * you can produce the pat::Tau plots by executing:
0018 *
0019 * cmsRun analyzePatTau_fromAOD_cfg.py
0020 * root patTau_idEfficiency.C
0021 * .q
0022 *
0023 * This will produce .eps file showing the tau id. efficiency as function of Pt, Eta and Phi.
0024 *
0025 * You can look at the other plots produced by executing 'cmsRun analyzePatTau_fromAOD_cfg.py' by doing:
0026 *
0027 * root patTauHistograms.root
0028 * new TBrowser
0029 *
0030 * and then click on "ROOT Files" --> patTauHistograms.root --> analyzePatTau
0031 * and finally the name of the histogram you wish to look at.
0032 *
0033 */