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TrackingCorrectionsv6.h
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TrackingCorrectionsv6.h
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#ifndef TrackingCorrections_h
#define TrackingCorrections_h
#include <iostream>
#include <vector>
#include "TFile.h"
#include "TH1.h"
#include "TH2.h"
#include "TH3.h"
#include "TString.h"
#include "TLine.h"
#include <TMath.h>
using namespace std;
class TrackingCorrections
{
public:
vector<TFile*> sample_;
vector<TFile*> normFiles_;
vector<TString> centBin_;
TH1D * ptBin_;
TH1D * etaBin_;
TH1D * jetBin_;
// setup
TString corrSetName_;
TString trkCorrModule_;
Int_t ptRebinFactor_;
Int_t smoothLevel_;
Bool_t weightSamples_;
Bool_t isLeadingJet_;
Bool_t trkPhiMode_;
Bool_t ppMode_;
vector<TString> levelName_;
vector<vector<TString> > levelInput_;
vector<TString> matName_;
vector<Float_t> ptHatMin_;
vector<Float_t> sampleCroSec_;
Int_t numCentBins_;
Int_t numPtBins_;
Int_t numEtaBins_;
Int_t numJEtBins_;
Int_t numLevels_;
// correction analysis
vector< vector<TH1D*> > hNoEvts_;
vector< vector<float> > numOfEvts_;// number of events
vector<vector<vector<vector<TH3F*> > > > inputHists_;
vector<vector<vector<TH3F*> > > combInputHists_;
vector<vector<TH3F*> > correctionHists_;
// inspection
TH2D *hNum2DInsp, *hDen2DInsp;
TH1D *hNum1DInsp, *hDen1DInsp;
TH1D *vhPtHat[2][9], *vhJetPt[2][9], *vhCent[2][9];
TrackingCorrections(TString name="trkCorrHisAna_djuqv1",TString mod="hitrkEffAnalyzer");
void AddSample(TString file, Float_t pthat) {
sample_.push_back(new TFile(file));
//cout << "sameple" << sample_.size() << ": " << sample_.back()->GetName() << endl;
ptHatMin_.push_back(pthat);
}
void AddNormFile(TString file) {
normFiles_.push_back(new TFile(file));
}
void Init();
Float_t GetCorr(Float_t pt, Float_t eta, Float_t jet, Float_t cent, Double_t * outCorr=0);
TH2D * ProjectPtEta(TH3F * h3, Int_t zbinbeg, Int_t zbinend);
void Write();
TH1 * InspectCorr(Int_t lv, Int_t centBeg, Int_t centEnd, Int_t jetBegBin, Int_t jetEndBin,Int_t mode=0,Int_t begbin=0, Int_t endbin=-1);
};
TrackingCorrections::TrackingCorrections(TString name, TString mod) :
corrSetName_(name),
trkCorrModule_(mod),
ptRebinFactor_(1),
smoothLevel_(0),
isLeadingJet_(true),
trkPhiMode_(false),
ppMode_(false)
{
centBin_.push_back("0to1");
centBin_.push_back("2to3");
centBin_.push_back("4to11");
centBin_.push_back("12to19");
if (name=="QM2011") centBin_.push_back("20to35");
else if (name=="RAA2012") {
centBin_.push_back("20to27");
centBin_.push_back("28to35");
}
else centBin_.push_back("20to39");
if (name.Contains("Forest2STA")) {
centBin_.clear();
centBin_.push_back("0to12");
centBin_.push_back("12to40");
}
if (name.Contains("Forest2STAv10")) {
centBin_.clear();
centBin_.push_back("0to12");
centBin_.push_back("12to30");
}
levelName_.push_back("Eff");
levelName_.push_back("Fak");
levelName_.push_back("Mul");
levelName_.push_back("Sec");
numLevels_ = levelName_.size();
levelInput_.resize(numLevels_);
levelInput_[0].push_back("heff3D"); levelInput_[0].push_back("hsim3D");
levelInput_[1].push_back("hfak3D"); levelInput_[1].push_back("hrec3D");
levelInput_[2].push_back("hmul3D"); levelInput_[2].push_back("heff3D");
levelInput_[3].push_back("hsec3D"); levelInput_[3].push_back("hrec3D");
matName_.push_back("Num");
matName_.push_back("Den");
}
void TrackingCorrections::Init()
{
cout << "==============================================" << endl;
cout << " correction set: " << corrSetName_ << " module: " << trkCorrModule_ << endl;
cout << " Setup - smoothLevel: " << smoothLevel_ << " ppMode: " << ppMode_ << " trkPhiMode: " << trkPhiMode_;
cout << " weight samples: " << weightSamples_ << endl;
cout << "==============================================" << endl;
// =============================
// Setup Inputs
// =============================
for (UInt_t i=0; i<sample_.size(); ++i) cout << sample_[i]->GetName() << endl;
if (sample_.size()==0||!sample_[0]) {
cout << "No input correction file" << endl;
exit(1);
}
if (ppMode_) {
centBin_.clear();
centBin_.push_back("0to40");
}
numCentBins_ = centBin_.size();
// =============================
// Get x,y,z bins
// =============================
TH3F* h3tmp = (TH3F*)sample_[0]->Get(trkCorrModule_+"/heff3D_cbin"+centBin_[0]);
if (!h3tmp) {
cout << "bad input: " << trkCorrModule_+"/heff3D_cbin"+centBin_[0] << " in " << sample_[0]->GetName() << endl;
exit(1);
}
etaBin_ = (TH1D*)h3tmp->Project3D("x");
ptBin_ = (TH1D*)h3tmp->Project3D("y");
jetBin_ = (TH1D*)h3tmp->Project3D("z");
numPtBins_ = ptBin_->GetNbinsX();
numEtaBins_ = etaBin_->GetNbinsX();
numJEtBins_ = jetBin_->GetNbinsX();
cout << endl << "Pt " << numPtBins_ << " bins:";
for (Int_t i=1; i<=numPtBins_+1; ++i) cout << ptBin_->GetBinLowEdge(i) << " ";
cout << endl << "Eta " << numEtaBins_ << " bins:";
for (Int_t i=1; i<=numEtaBins_+1; ++i) cout << etaBin_->GetBinLowEdge(i) << " ";
cout << endl << "JEt " << numJEtBins_ << " bins:";
for (Int_t i=1; i<=numJEtBins_+1; ++i) cout << jetBin_->GetBinLowEdge(i) << " ";
cout << endl;
// =============================
// allocate memory for input histograms
// =============================
cout << "Levels: " << numLevels_ << " Samples: " << sample_.size() << " cbins: " << numCentBins_ << endl;
vector<vector<vector<vector<TH3F*> > > > v(numLevels_,
vector<vector<vector<TH3F*> > > (sample_.size(),
vector<vector<TH3F*> > (numCentBins_,
vector<TH3F*>(2)
)
)
);
inputHists_ = v;
// =============================
// load corrections
// =============================
for (Int_t lv=0; lv<numLevels_; ++lv) {
cout << "Load " << levelName_[lv] << " Histograms for ptHatMin";
for (UInt_t s=0; s<sample_.size(); ++s) {
cout << " " << ptHatMin_[s] << endl;
for (Int_t c=0; c<numCentBins_; ++c) {
for (Int_t m=0; m<2; ++m) {
TString hname(Form("%s/%s_cbin%s",trkCorrModule_.Data(),levelInput_[lv][m].Data(),centBin_[c].Data()));
TH3F * h3 = (TH3F*)sample_[s]->Get(hname);
if (!h3) {
cout << hname << " not found in correction file" << endl;
exit(1);
}
TH3F * hsave = (TH3F*)h3->Clone(Form("h%s_f%.0f_c%d_%d",(corrSetName_+levelName_[lv]).Data(),ptHatMin_[s],c,m));
inputHists_[lv][s][c][m] = hsave;
//cout << inputHists_[lv][s][c][m]->GetName() << ": " << inputHists_[lv][s][c][m] << endl;
}
}
}
cout << endl;
}
// get the number of events
vector<vector<TH1D*> > hnoe(ptHatMin_.size(), vector<TH1D*>(numCentBins_));
hNoEvts_ = hnoe;
vector<vector<float> > noeTemp(ptHatMin_.size(), vector<float>(numCentBins_,1));
numOfEvts_ = noeTemp;
if (weightSamples_) {
for (UInt_t s=0; s<ptHatMin_.size(); ++s) { // merge pt hat samples with weight
for (Int_t c=0; c<numCentBins_; ++c) {
TString hnameNoE(Form("hPtHat_c%d",c));
if (normFiles_.size()) hNoEvts_[s][c] = (TH1D*)normFiles_[s]->Get(hnameNoE);
else {
// hnameNoE = Form("hPtHatBeforeSel");
hnameNoE = Form("hPtHatBeforeSel_c%d",c);
hNoEvts_[s][c] = (TH1D*)sample_[s]->Get(hnameNoE);
}
if (!hNoEvts_[s][c]) {
cout << "bad norm file: " << hnameNoE << endl;
exit(1);
}
numOfEvts_[s][c] = hNoEvts_[s][c]->Integral();
cout << " number of events in ptHat :" << ptHatMin_[s] << ", centrality : " << centBin_[c].Data() << " = " << numOfEvts_[s][c] << endl;
}
}
}
// =============================
// set sample weights
// =============================
sampleCroSec_.reserve(ptHatMin_.size());
for (UInt_t s=0; s<ptHatMin_.size(); ++s) { // merge pt hat samples with weight
if (corrSetName_=="Forest2STAv12") {
if ( ptHatMin_[s]==100) sampleCroSec_[s] = 3.069e-05 - 5.310e-07;
else if ( ptHatMin_[s]==170) sampleCroSec_[s] = 1.470e-06 - 5.310e-07;
else if ( ptHatMin_[s]==200) sampleCroSec_[s] = 5.310e-07;
else cout << endl << endl << " Error no such pt hat!!!!!" << endl << endl << endl;
} else if (corrSetName_=="Forest2STAv14") {
if ( ptHatMin_[s]==50 ) sampleCroSec_[s] = 1.021e-03 - 9.913e-05;
else if ( ptHatMin_[s]==80 ) sampleCroSec_[s] = 9.913e-05 - 3.0698e-05;
else if ( ptHatMin_[s]==100) sampleCroSec_[s] = 3.069e-05 - 1.470e-06;
else if ( ptHatMin_[s]==170) sampleCroSec_[s] = 1.470e-06 - 5.310e-07;
else if ( ptHatMin_[s]==200) sampleCroSec_[s] = 5.310e-07 - 1.192e-07;
else if ( ptHatMin_[s]==250) sampleCroSec_[s] = 1.192e-07 - 3.176e-08;
else if ( ptHatMin_[s]==300) sampleCroSec_[s] = (3.176e-08);
else cout << endl << endl << " Error no such pt hat!!!!!" << endl << endl << endl;
} else {
if ( ptHatMin_[s] == 30 ) sampleCroSec_[s] = 1.079e-02 - 1.021e-03;
else if ( ptHatMin_[s]==50 ) sampleCroSec_[s] = 1.021e-03 - 9.913e-05;
else if ( ptHatMin_[s]==80 ) sampleCroSec_[s] = 9.913e-05 - 3.0698e-05;
else if ( ptHatMin_[s]==100) sampleCroSec_[s] = 3.069e-05 - 1.128e-05;
else if ( ptHatMin_[s]==120) sampleCroSec_[s] = 1.128e-05 - 1.470e-06;
else if ( ptHatMin_[s]==170) sampleCroSec_[s] = 1.470e-06 - 5.310e-07;
else if ( ptHatMin_[s]==200) sampleCroSec_[s] = 5.310e-07 - 1.192e-07;
else if ( ptHatMin_[s]==250) sampleCroSec_[s] = 1.192e-07 - 3.176e-08;
else if ( ptHatMin_[s]==300) sampleCroSec_[s] = (3.176e-08);
else cout << endl << endl << " Error no such pt hat!!!!!" << endl << endl << endl;
}
if (ppMode_) {
if ( ptHatMin_[s]==80 ) sampleCroSec_[s] = 9.913e-05 - 1.128e-05;
else if ( ptHatMin_[s]==120) sampleCroSec_[s] = 1.128e-05 - 1.470e-06;
else if ( ptHatMin_[s]==170) sampleCroSec_[s] = 1.470e-06 - 5.310e-07;
else if ( ptHatMin_[s]==200) sampleCroSec_[s] = 5.310e-07 - 1.192e-07;
else if ( ptHatMin_[s]==250) sampleCroSec_[s] = 1.192e-07;
else cout << endl << endl << " Error no such pt hat!!!!!" << endl << endl << endl;
}
float basePtHat;
if (s==0) basePtHat = 1e-9;
sampleCroSec_[s]/=basePtHat;
cout << "sample pthat: " << ptHatMin_[s] << ", cross section: " << sampleCroSec_[s] << endl;
}
// =============================
// smooth inputs
// =============================
vector<vector<vector<TH3F*> > > vci(numLevels_,
vector<vector<TH3F*> > (numCentBins_,
vector<TH3F*>(2)
)
);
combInputHists_ = vci;
// Float_t ptHatMargin=-0.1; // 10
for (Int_t lv=0; lv<numLevels_; ++lv) {
for (Int_t m=0; m<2; ++m) {
for (Int_t c=0; c<numCentBins_; ++c) {
// declare new histograms
combInputHists_[lv][c][m] = (TH3F*)h3tmp->Clone(Form("combInputHist_lv%d_c%d_%d",lv,c,m));
combInputHists_[lv][c][m]->Reset();
for (Int_t ijet=1; ijet<=numJEtBins_; ++ijet) {
for (Int_t ipt=1; ipt<=numPtBins_; ++ipt) {
for (Int_t ieta=1; ieta<=numEtaBins_; ++ieta) {
Double_t content[2] = {0,0};
Double_t error[2] = {0,0};
// for each correction bin: merge, and smooth
for (Int_t ipt_neighbor=ipt; ipt_neighbor>=1||ipt_neighbor<=numPtBins_; ++ipt_neighbor) { // merge neighbor pt bins
if (ipt_neighbor!=ipt) {
if (smoothLevel_>=0) break;
else if (ptBin_->GetBinLowEdge(ipt_neighbor)<2 || abs(ipt_neighbor-ipt)>1) break;
}
Int_t eta_direction = (ieta>numEtaBins_/2 ? -1 : 1);
for (Int_t ieta_neighbor=ieta; ieta_neighbor>=1&&ieta_neighbor<=numEtaBins_; ieta_neighbor+=eta_direction) { // merge neighbor eta bins
if (ieta_neighbor!=ieta) {
if (smoothLevel_==0) break;
// else if ((ieta_neighbor>=1&&ieta_neighbor<=4) || (ieta_neighbor>=10&&ieta_neighbor<=13)) {
// if (abs(ieta_neighbor-ieta)>=1) break;
// }
else {
if (ieta_neighbor!=(numEtaBins_+1-ieta)) continue;
}
}
for (Int_t ijet_neighbor=ijet; ijet_neighbor>=1&&ijet_neighbor<=numJEtBins_; ++ijet_neighbor) { // merge neighbor jet bins
if (ijet_neighbor!=ijet) {
break;
// if (smoothLevel_==0||jetBin_->GetBinLowEdge(ijet_neighbor)<40) break;
// else if (abs(ijet_neighbor-ijet)>=2) break;
}
for (UInt_t s=0; s<ptHatMin_.size(); ++s) { // merge pt hat samples
// only merge pt hat samples that has less pt hat than this jet bin
// if (!trkPhiMode_&&jetBin_->GetBinLowEdge(ijet_neighbor)>=40 && (ptHatMin_[s]+ptHatMargin > jetBin_->GetBinLowEdge(ijet_neighbor))) continue;
if (!weightSamples_) { content[m]+=inputHists_[lv][s][c][m]->GetBinContent(ieta_neighbor,ipt_neighbor,ijet_neighbor);
error[m] = TMath::Sqrt(TMath::Power(error[m],2)+TMath::Power(inputHists_[lv][s][c][m]->GetBinError(ieta_neighbor,ipt_neighbor,ijet_neighbor),2));
} else {
content[m]+=inputHists_[lv][s][c][m]->GetBinContent(ieta_neighbor,ipt_neighbor,ijet_neighbor)*sampleCroSec_[s]/numOfEvts_[s][c];
error[m] = TMath::Sqrt(TMath::Power(error[m],2)+TMath::Power(inputHists_[lv][s][c][m]->GetBinError(ieta_neighbor,ipt_neighbor,ijet_neighbor)*sampleCroSec_[s]/numOfEvts_[s][c],2));
}
} // end of for pt hat loop
}
}
}
combInputHists_[lv][c][m]->SetBinContent(ieta,ipt,ijet, content[m]);
combInputHists_[lv][c][m]->SetBinError(ieta,ipt,ijet, error[m]);
} // end for each correction bin
}
}
}
}
}
// =============================
// correction histograms
// =============================
vector<vector<TH3F*> > vc(numLevels_,vector<TH3F*>(numCentBins_));
correctionHists_ = vc;
for (Int_t lv=0; lv<numLevels_; ++lv) {
for (Int_t c=0; c<numCentBins_; ++c) {
correctionHists_[lv][c] = (TH3F*)combInputHists_[lv][c][0]->Clone(Form("correctionHists_lv%d_c%d",lv,c));
correctionHists_[lv][c]->Divide(combInputHists_[lv][c][1]);
}
}
}
Float_t TrackingCorrections::GetCorr(Float_t pt, Float_t eta, Float_t jet, Float_t cent, Double_t * outCorr)
{
// Find Correction Bin
Int_t ptBin = ptBin_->FindBin(pt);
Int_t etaBin = etaBin_->FindBin(eta);
Int_t jetBin = jetBin_->FindBin(jet);
Int_t bin = -1;
// Get the corresponding centrality bin
if (corrSetName_.Contains("Forest2STA")) {
if (cent<12) bin = 0;
else bin =1;
} else {
if (cent<2) bin = 0;
else if (cent<4) bin = 1;
else if (cent<12) bin = 2;
else if (cent<20) bin = 3;
else bin = 4;
}
if (ppMode_) bin=0;
Double_t corr[4]={1,1,1,1};
for (Int_t lv=0; lv<numLevels_; ++lv) {
corr[lv] = correctionHists_[lv][bin]->GetBinContent(etaBin,ptBin,jetBin);
if (outCorr) outCorr[lv] = corr[lv];
}
// if eff==0, no correction, b/c too few statistics
if (corr[0]<0.001) {
cout << " warning eff=0 for pt eta jet cent: " << pt << " " << eta << " " << jet << " " << cent << endl;
}
Double_t eff = (corr[0]<0.001 ? 1 : corr[0]);
Double_t fake = corr[1];
Double_t mul = corr[2];
Double_t sec = corr[3];
return (1-fake)*(1-sec)/(eff*(1+mul));
}
TH2D* TrackingCorrections::ProjectPtEta(TH3F * h3, Int_t zbinbeg, Int_t zbinend)
{
h3->GetZaxis()->SetRange(zbinbeg,zbinend);
TH2D * h2 = (TH2D*)h3->Project3D(Form("yx_%d_%d",zbinbeg,zbinend));
return h2;
}
void TrackingCorrections::Write()
{
for (Int_t lv=0; lv<numLevels_; ++lv) {
for (UInt_t s=0; s<sample_.size(); ++s) {
for (Int_t c=0; c<numCentBins_; ++c) {
for (Int_t m=0; m<2; ++m) {
inputHists_[lv][s][c][m]->Write();
}
}
}
}
}
TH1 * TrackingCorrections::InspectCorr(Int_t lv, Int_t centBeg, Int_t centEnd, Int_t jetBegBin, Int_t jetEndBin, Int_t mode, Int_t begbin, Int_t endbin)
{
Int_t rebinFactor=1;
TH3F *hNum=0, *hDen=0;
TH2D *hNum2D=0, *hDen2D=0, *hCorr2D=0;
TH1D *hNum1D=0, *hDen1D=0, *hCorr1D=0;
TString inspName(Form("%s_%s_Lv%d_c%d_%d_j%d_%d_%d",(corrSetName_).Data(),trkCorrModule_.Data(),lv,centBeg,centEnd,jetBegBin,jetEndBin,mode));
if (mode>0) inspName+=Form("_bin_%d_%d",begbin,endbin);
hNum = (TH3F*)combInputHists_[lv][centBeg][0]->Clone(inspName+"hNum");
hDen = (TH3F*)combInputHists_[lv][centBeg][1]->Clone(inspName+"hDen");
if (mode<=2) {
hNum->GetZaxis()->SetRange(jetBegBin,jetEndBin);
hDen->GetZaxis()->SetRange(jetBegBin,jetEndBin);
hNum2D = (TH2D*)hNum->Project3D("yx");
hDen2D = (TH2D*)hDen->Project3D("yx");
// ===============================================
// 2D Inspection
// ===============================================
if (mode==0) {
hCorr2D = (TH2D*)hNum2D->Clone(inspName+"Corr2D");
hCorr2D->Divide(hNum2D,hDen2D);
return hCorr2D;
}
if (mode==1) {
// ===============================================
// 1D Pt
// ===============================================
hNum1D = hNum2D->ProjectionX(inspName+"Num_px",begbin,endbin);
hDen1D = hDen2D->ProjectionX(inspName+"Den_px",begbin,endbin);
} else if (mode==2) {
// ===============================================
// 1D Eta
// ===============================================
hNum1D = hNum2D->ProjectionY(inspName+"Num_py",begbin,endbin);
hDen1D = hDen2D->ProjectionY(inspName+"Den_py",begbin,endbin);
}
hNum1D->Rebin(rebinFactor);
hDen1D->Rebin(rebinFactor);
hCorr1D = (TH1D*)hNum1D->Clone(inspName+"Corr1D");
hCorr1D->Divide(hNum1D,hDen1D);
} else if (mode==3) {
// ===============================================
// 1D Jet
// ===============================================
//cout << "xaxis: " << begbin << "," << endbin << endl;
//cout << "yaxis: " << jetBegBin << "," << jetEndBin << endl;
hNum->GetYaxis()->SetRange(jetBegBin,jetEndBin); // set pt range
hDen->GetYaxis()->SetRange(jetBegBin,jetEndBin); // set pt range
hNum->GetXaxis()->SetRange(begbin,endbin); // set eta range
hDen->GetXaxis()->SetRange(begbin,endbin); // set eta range
hNum1D = (TH1D*)hNum->Project3D("z");
hDen1D = (TH1D*)hDen->Project3D("z");
hNum1D->Rebin(rebinFactor);
hDen1D->Rebin(rebinFactor);
hCorr1D = (TH1D*)hNum1D->Clone(inspName+"Corr1Dz");
hCorr1D->Divide(hNum1D,hDen1D);
}
if (lv==0&¢Beg==0) {
hNum1DInsp = (TH1D*)hNum1D->Clone(Form("%s_Insp",hNum1D->GetName()));
hDen1DInsp = (TH1D*)hDen1D->Clone(Form("%s_Insp",hDen1D->GetName()));
}
// Event Level Inspection
for (UInt_t s=0; s<ptHatMin_.size(); ++s) { // merge pt hat samples with weight
for (Int_t c=0; c<numCentBins_; ++c) {
TString hname(Form("hPtHat_c%d",c));
if (ppMode_) hname = "hPtHat";
TH1D * h = (TH1D*)sample_[s]->Get(hname);
if (!h) {
cout << "bad histogram: " << hname << endl;
exit(1);
}
TH1D * hs = (TH1D*)h->Clone(Form("%s_weighted",h->GetName()));
float weight = sampleCroSec_[s]/numOfEvts_[s][c];
if (weightSamples_) hs->Scale(weight);
if (s==0) {
vhPtHat[0][c] = (TH1D*)h->Clone(Form("%s_merge",h->GetName()));
vhPtHat[1][c] = (TH1D*)hs->Clone(Form("%s_merge",hs->GetName()));
} else {
vhPtHat[0][c]->Add(h);
vhPtHat[1][c]->Add(hs);
}
}
}
return hCorr1D;
}
#endif // TrackingCorrections_h