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//--------------------------------------------------------------------------------------------------
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// $Id: GenericSelMod.h,v 1.1 2008/12/09 10:18:19 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/TreeMod/interface/BaseSelMod.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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~GenericSelMod() {}
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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 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 SetPtMin(Double_t pt) { fPtMin = pt; }
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void SetPtMax(Double_t pt) { fPtMax = pt; }
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void SetMinCounts(UInt_t c) { fMinCounts = c; }
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protected:
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void Process();
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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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UInt_t fMinCounts; //minimum number of particles required to accept event
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const Collection<T> *fCol; //!pointer to collection
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ClassDefT(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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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: Just load the branch and fill the histograms.
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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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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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++counter;
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}
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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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}
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#endif
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