2 // This class calculates the exclusive charged particle density
3 // in each for the 5 FMD rings.
6 // - 5 RingHistos objects - each with a number of vertex dependent
7 // 2D histograms of the inclusive charge particle density
10 // - 5 RingHistos objects - each with a number of vertex dependent
11 // 2D histograms of the exclusive charge particle density
14 // - AliFMDCorrSecondaryMap;
15 // - AliFMDCorrVertexBias
16 // - AliFMDCorrMergingEfficiency
18 #include "AliFMDMCCorrector.h"
19 #include <AliESDFMD.h>
23 #include "AliForwardCorrectionManager.h"
24 #include "AliFMDCorrVertexBias.h"
28 #include <TProfile2D.h>
30 ClassImp(AliFMDMCCorrector)
36 //____________________________________________________________________
37 AliFMDMCCorrector::~AliFMDMCCorrector()
42 // if (fComps) fComps->Clear();
43 // if (fFMD1i) delete fFMD1i;
44 // if (fFMD2i) delete fFMD2i;
45 // if (fFMD2o) delete fFMD2o;
46 // if (fFMD3i) delete fFMD3i;
47 // if (fFMD3o) delete fFMD3o;
50 //____________________________________________________________________
52 AliFMDMCCorrector::operator=(const AliFMDMCCorrector& o)
55 // Assignement operator
58 // o Object to assign from
61 // Reference to this object
63 if (&o == this) return *this;
64 AliFMDCorrector::operator=(o);
65 fSecondaryForMC = o.fSecondaryForMC;
69 //____________________________________________________________________
71 AliFMDMCCorrector::CorrectMC(AliForwardUtil::Histos& hists,
75 // Do the calculations
78 // hists Cache of histograms
84 if ((!fUseSecondaryMap || !fSecondaryForMC) && fUseVertexBias)
87 AliForwardCorrectionManager& fcm = AliForwardCorrectionManager::Instance();
89 UShort_t uvb = vtxbin;
90 for (UShort_t d=1; d<=3; d++) {
91 UShort_t nr = (d == 1 ? 1 : 2);
92 for (UShort_t q=0; q<nr; q++) {
93 Char_t r = (q == 0 ? 'I' : 'O');
94 TH2D* h = hists.Get(d,r);
97 if (fUseSecondaryMap && fSecondaryForMC) {
98 TH2D* bg = fcm.GetSecondaryMap()->GetCorrection(d,r,uvb);
100 AliWarning(Form("No secondary correction for FMDM%d%c in vertex bin %d",
104 // Divide by primary/total ratio
107 if (fUseVertexBias) {
108 TH2D* ef = fcm.GetVertexBias()->GetCorrection(r, uvb);
110 AliWarning(Form("No event vertex bias correction in vertex bin %d",
114 // Divide by the event selection efficiency
123 //____________________________________________________________________
125 AliFMDMCCorrector::SetupForData(const TAxis& eAxis)
128 // Initialize this object
131 // etaAxis Eta axis to use
133 AliFMDCorrector::SetupForData(eAxis);
135 fFMD1i = Make(1,'I',eAxis);
136 fFMD2i = Make(2,'I',eAxis);
137 fFMD2o = Make(2,'O',eAxis);
138 fFMD3i = Make(3,'I',eAxis);
139 fFMD3o = Make(3,'O',eAxis);
148 //____________________________________________________________________
150 AliFMDMCCorrector::Make(UShort_t d, Char_t r,
151 const TAxis& axis) const
154 // MAke comparison profiles
162 // Newly allocated profile object
164 TProfile2D* ret = new TProfile2D(Form("FMD%d%c_esd_vs_mc", d, r),
165 Form("ESD/MC signal for FMD%d%c", d, r),
169 (r == 'I' || r == 'i') ? 20 : 40,
171 ret->GetXaxis()->SetTitle("#eta");
172 ret->GetYaxis()->SetTitle("#varphi [degrees]");
173 ret->GetZaxis()->SetTitle("#LT primary density ESD/MC#GT");
174 ret->SetDirectory(0);
177 //____________________________________________________________________
179 AliFMDMCCorrector::Fill(UShort_t d, Char_t r, TH2* esd, TH2* mc)
182 // Fill comparison profiles
190 if (!esd || !mc) return;
193 case 1: p = fFMD1i; break;
194 case 2: p = (r == 'I' || r == 'i' ? fFMD2i : fFMD2o); break;
195 case 3: p = (r == 'I' || r == 'i' ? fFMD3i : fFMD3o); break;
199 for (Int_t iEta = 1; iEta <= esd->GetNbinsX(); iEta++) {
200 Double_t eta = esd->GetXaxis()->GetBinCenter(iEta);
201 for (Int_t iPhi = 1; iPhi <= esd->GetNbinsY(); iPhi++) {
202 Double_t phi = esd->GetYaxis()->GetBinCenter(iPhi);
203 Double_t mEsd = esd->GetBinContent(iEta,iPhi);
204 Double_t mMc = mc->GetBinContent(iEta,iPhi);
206 p->Fill(eta, phi, (mMc > 0 ? mEsd / mMc : 0));
211 //____________________________________________________________________
213 AliFMDMCCorrector::CompareResults(AliForwardUtil::Histos& esd,
214 AliForwardUtil::Histos& mc)
217 // Compare the result of analysing the ESD for
218 // the inclusive charged particle density to analysing
228 Fill(1, 'I', esd.Get(1,'I'), mc.Get(1,'I'));
229 Fill(2, 'I', esd.Get(2,'I'), mc.Get(2,'I'));
230 Fill(2, 'O', esd.Get(2,'O'), mc.Get(2,'O'));
231 Fill(3, 'I', esd.Get(3,'I'), mc.Get(3,'I'));
232 Fill(3, 'O', esd.Get(3,'O'), mc.Get(3,'O'));
237 //____________________________________________________________________
239 AliFMDMCCorrector::CreateOutputObjects(TList* dir)
242 // Output diagnostic histograms to directory
245 // dir List to write in
247 AliFMDCorrector::CreateOutputObjects(dir);
248 TList* d = static_cast<TList*>(dir->FindObject(GetName()));
251 fComps->SetName("esd_mc_comparison");
254 //____________________________________________________________________
256 AliFMDMCCorrector::Print(Option_t* option) const
263 char ind[gROOT->GetDirLevel()+1];
264 for (Int_t i = 0; i < gROOT->GetDirLevel(); i++) ind[i] = ' ';
265 ind[gROOT->GetDirLevel()] = '\0';
266 AliFMDCorrector::Print(option);
267 std::cout << std::boolalpha
268 << ind << " Use sec. map on MC: " << fSecondaryForMC
269 << std::noboolalpha << std::endl;
272 //____________________________________________________________________