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// $Id: ParticleExample.cc,v 1.6 2008/06/09 00:06:36 bendavid Exp $
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#include "MitAna/TreeMod/interface/ParticleExampleMod.h"
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#include <TH1D.h>
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#include "MitAna/DataTree/interface/Names.h"
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using namespace mithep;
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ClassImp(mithep::ParticleExampleMod)
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//__________________________________________________________________________________________________
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ParticleExampleMod::ParticleExampleMod(const char *name, const char *title)
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: TAModule(name,title),
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fParticles(0),
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fPartName(Names::gkGenPartBrn),
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fPtHist(0),
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fEtaHist(0)
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{
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// Constructor.
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}
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//__________________________________________________________________________________________________
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void ParticleExampleMod::Begin()
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{
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// Run startup code on the client machine. For this module, we dont
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// do anything here.
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}
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//__________________________________________________________________________________________________
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void ParticleExampleMod::Process()
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{
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// Process entries of the tree. For this module, we just load
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// the branch and fill the histograms.
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LoadBranch(GetPartName());
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Int_t ents=fParticles->GetEntries();
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for(Int_t i=0;i<ents;++i) {
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GenParticle* p = fParticles->At(i);
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fPtHist->Fill(p->Pt());
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fEtaHist->Fill(p->Eta());
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}
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}
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//__________________________________________________________________________________________________
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void ParticleExampleMod::SlaveBegin()
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{
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// Run startup code on the computer (slave) doing the actual
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// analysis. Here, we typically initialize histograms and
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// other analysis objects and request branches. For this module,
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// we request a branch of the MitTree.
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ReqBranch(GetPartName(), fParticles);
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fPtHist = new TH1D("hPtHist",";p_{t};#",100,0.,25.);
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AddOutput(fPtHist);
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fEtaHist = new TH1D("hEtaHist",";#eta;#",160,-8.,8.);
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AddOutput(fEtaHist);
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}
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//__________________________________________________________________________________________________
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void ParticleExampleMod::SlaveTerminate()
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{
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// Run finishing code on the computer (slave) that did the
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// analysis. For this module, we dont do anything here.
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}
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//__________________________________________________________________________________________________
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void ParticleExampleMod::Terminate()
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{
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// Run finishing code on the client computer.
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// For this module, we dont do anything here.
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}
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