fFMD2oMax(0),
fFMD3iMax(0),
fFMD3oMax(0),
+ fEtaLumping(1),
+ fPhiLumping(1),
fDebug(0)
{
//
fFMD2oMax(0),
fFMD3iMax(0),
fFMD3oMax(0),
+ fEtaLumping(5),
+ fPhiLumping(1),
fDebug(0)
{
//
fFMD2oMax(o.fFMD2oMax),
fFMD3iMax(o.fFMD3iMax),
fFMD3oMax(o.fFMD3oMax),
+ fEtaLumping(o.fEtaLumping),
+ fPhiLumping(o.fPhiLumping),
fDebug(o.fDebug)
{
//
fFMD2oMax = o.fFMD2oMax;
fFMD3iMax = o.fFMD3iMax;
fFMD3oMax = o.fFMD3oMax;
-
+ fEtaLumping = o.fEtaLumping;
+ fPhiLumping = o.fPhiLumping;
fRingHistos.Delete();
TIter next(&o.fRingHistos);
TObject* obj = 0;
fRingHistos.ls();
return false;
}
- rh->ResetPoissonHistos();
+ rh->ResetPoissonHistos(h, fEtaLumping, fPhiLumping);
for (UShort_t s=0; s<ns; s++) {
for (UShort_t t=0; t<nt; t++) {
rh->fEtaVsM->Fill(eta, n);
rh->fCorr->Fill(eta, c);
- //if (n < .9) rh->fEmptyStrips->Fill(eta,phi);
- if (n > 0.9) rh->fBasicHits->Fill(eta,phi);
+ if (n > 0.9 && c > 0) rh->fBasicHits->Fill(eta,phi, 1./c);
+ else rh->fEmptyStrips->Fill(eta,phi);
h->Fill(eta,phi,n);
rh->fDensity->Fill(eta,phi,n);
} // for t
} // for s
- //std::cout<<rh->fTotalStrips->GetEntries()<<" "<<rh->fEmptyStrips->GetEntries()<<std::endl;
- // Loop over poisson histograms
+
+
+ // --- Loop over poisson histograms ----------------------------
for (Int_t ieta = 1; ieta <= h->GetNbinsX(); ieta++) {
for (Int_t iphi = 1; iphi <= h->GetNbinsY(); iphi++) {
Double_t eLossV = h->GetBinContent(ieta, iphi);
- // Double_t eLossE = h->GetBinError(ieta, iphi);
- Float_t eta = h->GetXaxis()->GetBinCenter(ieta);
- Float_t phi = h->GetYaxis()->GetBinCenter(iphi);
- Double_t empty = rh->fEmptyStrips->GetBinContent(rh->fEmptyStrips->GetXaxis()->FindBin(eta),
- rh->fEmptyStrips->GetYaxis()->FindBin(phi)) ;
- Double_t total = rh->fTotalStrips->GetBinContent(rh->fTotalStrips->GetXaxis()->FindBin(eta),
- rh->fTotalStrips->GetYaxis()->FindBin(phi));
-
- Double_t corr = rh->fCorr->GetBinContent(rh->fCorr->GetXaxis()->FindBin(eta));
-
-
+ Float_t eta = h->GetXaxis()->GetBinCenter(ieta);
+ Float_t phi = h->GetYaxis()->GetBinCenter(iphi);
+ Int_t jeta = rh->fEmptyStrips->GetXaxis()->FindBin(eta);
+ Int_t jphi = rh->fEmptyStrips->GetYaxis()->FindBin(phi);
+ Double_t empty = rh->fEmptyStrips->GetBinContent(jeta, jphi);
+ Double_t total = rh->fTotalStrips->GetBinContent(jeta, jphi);
Double_t hits = rh->fBasicHits->GetBinContent(ieta,iphi);
-
- Double_t poissonV = (total <= 0 || empty <= 0 ? 0 :
- -TMath::Log(empty / total));
- if(poissonV > 0)
- poissonV = (hits * poissonV) / (1 - TMath::Exp(-1*poissonV));
- if(corr > 0) {
- poissonV = poissonV / corr;
- }
- //else poissonV = 0;
- // if ( eLossV > 0)
- // std::cout<<"event : "<<total<<" "<<empty<<" "<<hits<<" "<<poissonV<<" "<<eLossV<<std::endl;
+ // Mean in region of interest
+ Double_t poissonM = (total <= 0 || empty <= 0 ? 0 :
+ -TMath::Log(empty / total));
+ Double_t poissonV = 0;
+ if(poissonM > 0)
+ // Correct for counting statistics and weight by counts
+ poissonV = (hits * poissonM) / (1 - TMath::Exp(-1*poissonM));
Double_t poissonE = 0 ;
if(poissonV > 0) poissonE = TMath::Sqrt(poissonV);
-
-
rh->fELossVsPoisson->Fill(eLossV, poissonV);
rh->fEmptyVsTotal->Fill(total, empty);
if (fUsePoisson) {
//____________________________________________________________________
void
-AliFMDDensityCalculator::RingHistos::ResetPoissonHistos()
+AliFMDDensityCalculator::RingHistos::ResetPoissonHistos(const TH2D* h,
+ Int_t etaLumping,
+ Int_t phiLumping)
{
if (fTotalStrips) {
fTotalStrips->Reset();
}
//Inserted by HHD
- //Float_t nbinlimitsFMD3I[8] = {-3.4,-3.2,-3,-2.8,-2.6,-2.4,-2.2,-2};
- Int_t nbins = 40;
- /*if(fName.Contains("FMD1I")) nbins = 7;
- if(fName.Contains("FMD2I")) nbins = 8;
- if(fName.Contains("FMD2O")) nbins = 4;
- if(fName.Contains("FMD3I")) nbins = 8;
- if(fName.Contains("FMD3O")) nbins = 4;*/
- Float_t lowlimit = -4, highlimit = 6;
- /*if(fName.Contains("FMD1I")) {lowlimit = 3.6; highlimit = 5;}
- if(fName.Contains("FMD2I")) {lowlimit = 2.2; highlimit = 3.8;}
- if(fName.Contains("FMD2O")) {lowlimit = 1.6; highlimit = 2.4;}
- if(fName.Contains("FMD3I")) {lowlimit = -2.4; highlimit = -1.6;}
- if(fName.Contains("FMD3O")) {lowlimit = -3.5; highlimit = -2.1;}
-
- std::cout<<nbins<<" "<<lowlimit<<" "<<highlimit<<std::endl;
- */
+ Int_t nEta = h->GetNbinsX() / etaLumping;
+ Int_t nEtaF = h->GetNbinsX();
+ Double_t etaMin = h->GetXaxis()->GetXmin();
+ Double_t etaMax = h->GetXaxis()->GetXmax();
+ Int_t nPhi = h->GetNbinsY() / phiLumping;
+ Int_t nPhiF = h->GetNbinsY();
+ Double_t phiMin = h->GetYaxis()->GetXmin();
+ Double_t phiMax = h->GetYaxis()->GetXmax();
+
fTotalStrips = new TH2D(Form("total%s", fName.Data()),
Form("Total number of strips in %s", fName.Data()),
- nbins,
- lowlimit,
- highlimit,
- (fRing == 'I' || fRing == 'i' ? 5 : 10),
- 0, 2*TMath::Pi());
+ nEta, etaMin, etaMax, nPhi, phiMin, phiMax);
fEmptyStrips = new TH2D(Form("empty%s", fName.Data()),
Form("Empty number of strips in %s", fName.Data()),
- nbins,
- lowlimit,
- highlimit,
- (fRing == 'I' || fRing == 'i' ? 5 : 10),
- 0, 2*TMath::Pi());
+ nEta, etaMin, etaMax, nPhi, phiMin, phiMax);
fBasicHits = new TH2D(Form("basichits%s", fName.Data()),
Form("Basic number of hits in %s", fName.Data()),
- 200,
- -4,
- 6,
- (fRing == 'I' || fRing == 'i' ? 20 : 40),
- 0, 2*TMath::Pi());
+ nEtaF, etaMin, etaMax, nPhiF, phiMin, phiMax);
fTotalStrips->SetDirectory(0);
fEmptyStrips->SetDirectory(0);
void
AliFMDDensityCalculator::RingHistos::Init(const TAxis& /*eAxis*/)
{
- /*if (fTotalStrips) delete fTotalStrips;
- if (fEmptyStrips) delete fEmptyStrips;
- if (fBasicHits) delete fBasicHits;
-
- fTotalStrips = new TH2D(Form("total%s", fName.Data()),
- Form("Total number of strips in %s", fName.Data()),
- eAxis.GetNbins()/5.,
- eAxis.GetXmin(),
- eAxis.GetXmax(),
- (fRing == 'I' || fRing == 'i' ? 5 : 5),
- 0, 2*TMath::Pi());
- fEmptyStrips = new TH2D(Form("empty%s", fName.Data()),
- Form("Empty number of strips in %s", fName.Data()),
- eAxis.GetNbins()/5.,
- eAxis.GetXmin(),
- eAxis.GetXmax(),
- (fRing == 'I' || fRing == 'i' ? 5 : 10),
- 0, 2*TMath::Pi());
- fBasicHits = new TH2D(Form("basichits%s", fName.Data()),
- Form("Basic number of hits in %s", fName.Data()),
- eAxis.GetNbins(),
- eAxis.GetXmin(),
- eAxis.GetXmax(),
- (fRing == 'I' || fRing == 'i' ? 20 : 40),
- 0, 2*TMath::Pi());
-
- fTotalStrips->SetDirectory(0);
- fEmptyStrips->SetDirectory(0);
- fBasicHits->SetDirectory(0);
- fTotalStrips->SetXTitle("#eta");
- fEmptyStrips->SetXTitle("#eta");
- fBasicHits->SetXTitle("#eta");
- fTotalStrips->SetYTitle("#varphi [radians]");
- fEmptyStrips->SetYTitle("#varphi [radians]");
- fBasicHits->SetYTitle("#varphi [radians]");
- fTotalStrips->Sumw2();
- fEmptyStrips->Sumw2();
- fBasicHits->Sumw2();*/
}
//____________________________________________________________________
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff