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//--------------------------------------------------------------------------------------------------
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// $Id: PlotKineMod.h,v 1.7 2008/12/12 16:03:12 loizides Exp $
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//
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// PlotKineMod
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//
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// This module allows one to quickly plot eta and pt distribution of a given particle.
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//
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// Authors: C.Loizides
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//--------------------------------------------------------------------------------------------------
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#ifndef MITANA_PHYSICSMOD_PLOTKINEMOD_H
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#define MITANA_PHYSICSMOD_PLOTKINEMOD_H
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#include "MitAna/TreeMod/interface/BaseMod.h"
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#include "MitAna/DataTree/interface/Collections.h"
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#include <TH1D.h>
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namespace mithep
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{
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template<class T>
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class PlotKineMod : public BaseMod
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{
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public:
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PlotKineMod(const char *name="PlotKineMod",
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const char *title="Plot kinematics module");
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const char *GetColName() const { return fColName; }
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Double_t GetEtaMin() const { return fEtaMin; }
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Double_t GetEtaMax() const { return fEtaMax; }
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const char *GetInputName() const { return GetColName(); }
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Double_t GetPtMin() const { return fPtMin; }
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Double_t GetPtMax() const { return fPtMax; }
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Bool_t GetLoadBranch() const { return fLoadBr; }
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void SetColName(const char *n) { fColName=n; }
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void SetEtaMin(Double_t e) { fEtaMin = e; }
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void SetEtaMax(Double_t e) { fEtaMax = e; }
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void SetInputName(const char *n) { SetColName(n); }
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void SetLoadBranch(Bool_t b) { fLoadBr = b; }
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void SetPtMin(Double_t pt) { fPtMin = pt; }
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void SetPtMax(Double_t pt) { fPtMax = pt; }
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protected:
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Bool_t Load();
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void Process();
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void SlaveBegin();
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TString fColName; //name of collection
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Double_t fPtMin; //minimum pt
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Double_t fPtMax; //maximum pt
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Double_t fEtaMin; //minimum eta
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Double_t fEtaMax; //maximum eta
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Bool_t fLoadBr; //=true then load branch (def=1)
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const Collection<T> *fCol; //!pointer to collection
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TH1D *fPtHist; //!pt histogram
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TH1D *fEtaHist; //!eta histogram
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ClassDefT(PlotKineMod, 1) // Plot kinematics module
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};
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}
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//--------------------------------------------------------------------------------------------------
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template<class T>
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mithep::PlotKineMod<T>::PlotKineMod(const char *name, const char *title) :
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BaseMod(name,title),
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fColName("SetMe"),
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fPtMin(1),
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fPtMax(5000),
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fEtaMin(-10),
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fEtaMax(10),
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fLoadBr(kTRUE),
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fCol(0),
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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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SetFillHist(1);
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}
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//--------------------------------------------------------------------------------------------------
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template<class T>
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Bool_t mithep::PlotKineMod<T>::Load()
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{
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// Load data from branch or get pointer from event.
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if (GetLoadBranch())
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LoadBranch(GetColName());
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else
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fCol = GetObjThisEvt<Collection<T> >(GetColName());
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return (fCol!=0);
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}
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//--------------------------------------------------------------------------------------------------
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template<class T>
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void mithep::PlotKineMod<T>::Process()
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{
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// Process entries of the tree: Just load the branch and fill the histograms.
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if (!Load()) {
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SendError(kAbortModule, "Process", "Could not load data!");
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return;
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}
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if (!GetFillHist())
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return;
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UInt_t ents=fCol->GetEntries();
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for(UInt_t i=0;i<ents;++i) {
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const T *p = fCol->At(i);
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Double_t pt = p->Pt();
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if (pt<fPtMin)
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continue;
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if (pt>fPtMax)
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continue;
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Double_t eta = p->Eta();
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if (eta<fEtaMin)
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continue;
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if (eta>fEtaMax)
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continue;
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fPtHist->Fill(pt);
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fEtaHist->Fill(eta);
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}
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}
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//--------------------------------------------------------------------------------------------------
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template<class T>
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void mithep::PlotKineMod<T>::SlaveBegin()
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{
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// Request a branch and create the histograms.
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if (GetLoadBranch())
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ReqBranch(GetColName(), fCol);
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if (GetFillHist()) {
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Int_t ptbins = (Int_t)((fPtMax-fPtMin)/2.5);
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AddTH1(fPtHist,"hPtHist",";p_{t} [GeV];#",ptbins,fPtMin,fPtMax);
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Int_t etabins = (Int_t)((fEtaMax-fEtaMin)/0.1);
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AddTH1(fEtaHist,"hEtaHist",";#eta;#",etabins,fEtaMin,fEtaMax);
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}
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}
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#endif
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