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first version of class for jet withs towers.
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stadie
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Dec 27, 2008
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,123 @@ | ||
| // | ||
| // Class for jets with towers | ||
| // | ||
| // first version: Hartmut Stadie 2008/12/25 | ||
| // $Id: Jet.h,v 1.1 2008/12/16 15:21:27 stadie Exp $ | ||
| // | ||
| #include"JetWithTowers.h" | ||
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| #include "TLorentzVector.h" | ||
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| JetWithTowers::JetWithTowers(double Et, double EmEt, double HadEt, | ||
| double OutEt, double E,double eta,double phi, | ||
| Flavor flavor, | ||
| double const(*func)(TMeasurement *const x, double *const par), | ||
| double err, double* firstpar, int id, int npars) | ||
| : Jet(Et,EmEt,HadEt,OutEt,E,eta,phi,flavor,func,err,firstpar,id,npars), | ||
| njetpars(npars),ntowerpars(0) | ||
| { | ||
| } | ||
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| JetWithTowers::~JetWithTowers() | ||
| { | ||
| for(TowerCollIter i = towers.begin() ; i != towers.end() ; ++i) { | ||
| delete *i; | ||
| } | ||
| } | ||
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| void JetWithTowers::ChangeParAddress(double* oldpar, double* newpar) | ||
| { | ||
| Jet::ChangeParAddress(oldpar,newpar); | ||
| for(TowerCollIter i = towers.begin() ; i != towers.end() ; ++i) { | ||
| (*i)->ChangeParAddress(oldpar,newpar); | ||
| towerpars[(*i)->FirstPar()] = (*i)->Par(); | ||
| } | ||
| } | ||
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| double JetWithTowers::correctedEt(double Et) const | ||
| { | ||
| double cet = 0; | ||
| for(TowerCollConstIter i = towers.begin() ; i != towers.end() ; ++i) { | ||
| cet += (*i)->projectionToJetAxis() * (*i)->correctedEt((*i)->Et()); | ||
| } | ||
| //std::cout << "jet ET:" << pt << " sum of tower:" << cet << "\n"; | ||
| double ccet = 0; | ||
| for(TowerCollConstIter i = towers.begin() ; i != towers.end() ; ++i) { | ||
| ccet += (*i)->projectionToJetAxis() * | ||
| (*i)->correctedEt((*i)->lastCorrectedEt()/cet * Et); | ||
| } | ||
| //std::cout << "scale ET:" << Et << " cor. sum of tower:" << ccet << "\n"; | ||
| return Jet::correctedEt(ccet); | ||
| } | ||
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| //varies the i'th parameter for this jet by eps and returns its overall | ||
| // parameter id and sets the Et for the par + eps and par - eps result | ||
| int JetWithTowers::varyPar(int i, double eps, double Et, double scale, | ||
| double& upperEt, double& lowerEt) | ||
| { | ||
| if(i < njetpars) return Jet::varyPar(i,eps,Et,scale,upperEt,lowerEt); | ||
| int towid = (i - njetpars)/ntowerpars; | ||
| int towpar = (i - njetpars) % ntowerpars; | ||
| //std::cout << "I: " << i << " tow:" << towid << "; " << towpar << std::endl; | ||
| std::map<int,double*>::const_iterator iter = towerpars.begin(); | ||
| for(int i = 0 ; i < towid ; ++i) ++iter; | ||
| double *p = iter->second; | ||
| int id = iter->first; | ||
| //std::cout << "alternating par:" << id + towpar << " = " << p[towpar] << std::endl; | ||
| double orig = p[towpar]; | ||
| p[towpar] += eps; | ||
| upperEt = expectedEt(Et,scale,true); | ||
| p[towpar] = orig - eps; | ||
| lowerEt = expectedEt(Et,scale,true); | ||
| p[towpar] = orig; | ||
| return id + towpar; | ||
| } | ||
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| void JetWithTowers::addTower(double Et, double EmEt, double HadEt , | ||
| double OutEt, double E,double eta,double phi, | ||
| double const(*func)(TMeasurement *const x, double *const par), | ||
| double err, double* firstpar, int id, int npars) | ||
| { | ||
| TLorentzVector jet, towp; | ||
| jet.SetPtEtaPhiM(TMeasurement::pt,TMeasurement::eta,TMeasurement::phi,0); | ||
| towp.SetPtEtaPhiM(Et,eta,phi,0); | ||
| jet -= towp; | ||
| double projection = (TMeasurement::pt-jet.Et())/Et; | ||
| projection = 1.0; | ||
| //std::cout << "Jet:" << jet.Eta() << ", " << jet.Phi() | ||
| // << " tower:" << towp.Eta() << ", " << towp.Phi() << " :" | ||
| // << projection << std::endl; | ||
| towers.push_back(new Tower(Et,EmEt,HadEt,OutEt,E,eta,phi,projection,func, | ||
| err,firstpar,id,npars)); | ||
| ntowerpars = npars; | ||
| towerpars[id] = firstpar; | ||
| Jet::npar = njetpars + towerpars.size() * ntowerpars; | ||
| //std::cout << "tower:" << Et << " projected:" << projection * Et << std::endl; | ||
| } | ||
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| JetWithTowers::Tower::Tower(double Et, double EmEt, double HadEt , | ||
| double OutEt, double E,double eta,double phi, | ||
| double alpha,double const(*func)(TMeasurement *const x, double *const par), | ||
| double err, double* firstpar, int id, int npars) | ||
| : TMeasurement(Et,EmEt,HadEt,OutEt,E,eta,phi), alpha(alpha), par(firstpar), | ||
| npar(npars), parid(id), error(err),f(func) | ||
| { | ||
| temp = *this; | ||
| } | ||
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| double JetWithTowers::Tower::correctedEt(double Et) const | ||
| { | ||
| //assume that only the hadronic energy gets modified! | ||
| temp.pt = Et; | ||
| temp.HadF = Et - OutF - EMF; | ||
| temp.E = TMeasurement::E * Et/pt; | ||
| lastCorEt = f(&temp,par); | ||
| //std::cout << pt << ", " << Et << ":" << lastCorEt << " par:" << par[0] << std::endl; | ||
| return lastCorEt; | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,71 @@ | ||
| // | ||
| // Class for jets with towers | ||
| // | ||
| // first version: Hartmut Stadie 2008/12/25 | ||
| // $Id: Jet.h,v 1.1 2008/12/16 15:21:27 stadie Exp $ | ||
| // | ||
| #ifndef JETWITHTOWERS_H | ||
| #define JETWITHTOWERS_H | ||
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| #include"Jet.h" | ||
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| #include <vector> | ||
| #include <map> | ||
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| class JetWithTowers : public Jet | ||
| { | ||
| public: | ||
| JetWithTowers(double Et, double EmEt, double HadEt ,double OutEt, double E, | ||
| double eta,double phi, Flavor flavor, | ||
| double const(*func)(TMeasurement *const x, double *const par), | ||
| double err, double* firstpar, int id, int npars); | ||
| virtual ~JetWithTowers(); | ||
| virtual void ChangeParAddress(double* oldpar, double* newpar); | ||
| virtual double correctedEt(double Et) const; | ||
| //varies the i'th parameter for this jet by eps and returns its overall | ||
| // parameter id and sets the Et for the par + eps and par - eps result | ||
| virtual int varyPar(int i, double eps, double Et, double scale, double& upperEt, double& lowerEt); | ||
| void addTower(double Et, double EmEt, double HadEt ,double OutEt, double E, | ||
| double eta,double phi, | ||
| double const(*func)(TMeasurement *const x, double *const par), | ||
| double err, double* firstpar, int id, int npars); | ||
| protected: | ||
| class Tower : public TMeasurement { | ||
| public: | ||
| Tower(double Et, double EmEt, double HadEt ,double OutEt, double E, | ||
| double eta,double phi, double alpha, | ||
| double const(*func)(TMeasurement *const x, double *const par), | ||
| double err, double* firstpar, int id, int npars); | ||
| double Et() const {return pt;} | ||
| double EmEt() const {return EMF;} | ||
| double HadEt() const {return HadF;} | ||
| double OutEt() const {return OutF;} | ||
| double E() const {return TMeasurement::E;} | ||
| double eta() const {return TMeasurement::eta;} | ||
| double phi() const {return TMeasurement::phi;} | ||
| double projectionToJetAxis() const {return alpha;} | ||
| void ChangeParAddress(double* oldpar, double* newpar) {par += newpar - oldpar;} | ||
| double correctedEt(double Et) const; | ||
| double lastCorrectedEt() const { return lastCorEt;} | ||
| double Error() const {return error;} | ||
| int nPar() const {return npar;} | ||
| int FirstPar() const {return parid;} | ||
| double *Par() const {return par;} | ||
| private: | ||
| double alpha; | ||
| double* par;//address to first parameter for this jet | ||
| int npar,parid; | ||
| double error; | ||
| mutable TMeasurement temp; | ||
| mutable double lastCorEt; | ||
| double const(*f)(TMeasurement *const x, double *const par); | ||
| }; | ||
| typedef std::vector<Tower*> TowerColl; | ||
| typedef TowerColl::iterator TowerCollIter; | ||
| typedef TowerColl::const_iterator TowerCollConstIter; | ||
| TowerColl towers; | ||
| int njetpars,ntowerpars; | ||
| std::map<int,double*> towerpars; | ||
| }; | ||
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| #endif |
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