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//author: Francesco Costanza (DESY)
//date: 05/05/11
#ifndef HT_H
#define HT_H
#include "DataFormats/Common/interface/Handle.h"
#include "DataFormats/JetReco/interface/CaloJet.h"
#include "DataFormats/JetReco/interface/CaloJetCollection.h"
#include "DataFormats/JetReco/interface/PFJet.h"
#include "DataFormats/JetReco/interface/PFJetCollection.h"
#include "DataFormats/JetReco/interface/JPTJet.h"
#include "DataFormats/JetReco/interface/JPTJetCollection.h"
#include "TVector2.h"
#include <vector>
#include <iostream>
#include <cmath>
template <class T>
class HT {
private:
double Hx, Hy;
public:
int njet;
TVector2 v;
double ScalarSum;
typedef typename edm::Handle<T> Handler;
HT(Handler jetcoll, double ptThreshold, double maxAbsEta) : Hx(0), Hy(0), ScalarSum(0) {
typedef typename T::const_iterator Iter;
for (Iter jet = jetcoll->begin(); jet != jetcoll->end(); ++jet) {
if ((jet->pt() > ptThreshold) && (std::fabs(jet->eta()) < maxAbsEta)) {
njet++;
Hx += jet->px();
Hy += jet->py();
ScalarSum += jet->pt();
}
}
v = TVector2(Hx, Hy);
}
};
#endif
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