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//--------------------------------------------------------------------------------------------------
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// $Id: GenericSelMod.h,v 1.6 2009/06/17 11:50:28 loizides Exp $
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//
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// GenericSelMod
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//
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// This module allows trivial event selection based on counting the number of
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// particles found in the given kinematic range.
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//
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// Authors: C.Loizides
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//--------------------------------------------------------------------------------------------------
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#ifndef MITPHYSICS_SELMODS_GENERICSELMOD_H
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#define MITPHYSICS_SELMODS_GENERICSELMOD_H
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#include "MitAna/DataCont/interface/Collection.h"
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#include "MitAna/TreeMod/interface/BaseSelMod.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 GenericSelMod : public BaseSelMod
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{
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public:
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GenericSelMod(const char *name="GenericSelMod",
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const char *title="Generic selection 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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UInt_t GetMinCounts() const { return fMinCounts; }
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Double_t GetMinPtMax() const { return fMinMaxPt; }
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Double_t GetPtMin() const { return fPtMin; }
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Double_t GetPtMax() const { return fPtMax; }
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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 SetMinMaxPt(Double_t pt) { fMinMaxPt= pt; }
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void SetMinCounts(UInt_t c) { fMinCounts = c; }
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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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void Process();
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void SlaveBegin();
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TString fColName; //name of input collection
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Double_t fPtMin; //minimum pt required (def = 0 GeV)
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Double_t fPtMax; //maximum pt required (def = 5000 GeV)
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Double_t fEtaMin; //minimum eta required (def = -10)
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Double_t fEtaMax; //maximum eta required (def = +10)
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Double_t fMinMaxPt; //min pt required for max pt (def = 0GeV)
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UInt_t fMinCounts; //min number of particles required (def = 1)
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const Collection<T> *fCol; //!pointer to collection
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TH1D *fNAccCounters; //!acceptance histogram
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ClassDef(GenericSelMod,1) // Generic selection 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::GenericSelMod<T>::GenericSelMod(const char *name, const char *title) :
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BaseSelMod(name,title),
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fColName("SetMe"),
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fPtMin(0),
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fPtMax(5000),
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fEtaMin(-10),
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fEtaMax(10),
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fMinMaxPt(0),
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fMinCounts(1),
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fCol(0)
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{
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// Constructor.
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}
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//--------------------------------------------------------------------------------------------------
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template<class T>
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void mithep::GenericSelMod<T>::Process()
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{
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// Process entries of the tree.
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fNAccCounters->Fill(0);
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fCol = GetObjThisEvt<Collection<T> >(GetColName());
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if (!fCol) {
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this->SendError(kAbortModule, "Process",
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"Could not obtain collection with name %s!", GetColName());
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return;
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}
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fNAccCounters->Fill(1);
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UInt_t counter = 0;
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UInt_t ents=this->fCol->GetEntries();
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for(UInt_t i=0;i<ents;++i) {
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const T *p = this->fCol->At(i);
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Double_t pt = p->Pt();
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if (pt<this->fPtMin)
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continue;
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if (pt>this->fPtMax)
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continue;
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Double_t eta = p->Eta();
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if (eta<this->fEtaMin)
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continue;
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if (eta>this->fEtaMax)
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continue;
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if (i==0) { // check particle with largest pt
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if (pt<fMinMaxPt) {
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this->SkipEvent();
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return;
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}
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}
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++counter;
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}
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fNAccCounters->Fill(2);
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// skip event if not enough particles are found in kinematic region
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if (counter<GetMinCounts()) {
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this->SkipEvent();
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return;
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}
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fNAccCounters->Fill(3);
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}
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//--------------------------------------------------------------------------------------------------
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template<class T>
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void mithep::GenericSelMod<T>::SlaveBegin()
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{
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// Setup acceptence histogram.
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AddTH1(fNAccCounters,"hNAccCounters",";cut;#",5,-0.5,4.5);
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if (1) {
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TAxis *xa = fNAccCounters->GetXaxis();
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for(Int_t i=1;i<=fNAccCounters->GetNbinsX();++i)
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xa->SetBinLabel(i,"unused");
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xa->SetBinLabel(1,"Enter");
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xa->SetBinLabel(2,"Objs");
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xa->SetBinLabel(3,"MinMax");
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xa->SetBinLabel(4,"Counts");
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xa->SetRangeUser(0,3);
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}
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}
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#endif
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