1 #include "AliFMDCorrections.h"
6 #include "AliForwardCorrectionManager.h"
7 // #include "AliFMDAnaParameters.h"
14 ClassImp(AliFMDCorrections)
19 //____________________________________________________________________
20 AliFMDCorrections::AliFMDCorrections()
26 //____________________________________________________________________
27 AliFMDCorrections::AliFMDCorrections(const char* title)
28 : TNamed("fmdCorrections", title),
32 fRingHistos.SetName(GetName());
33 fRingHistos.Add(new RingHistos(1, 'I'));
34 fRingHistos.Add(new RingHistos(2, 'I'));
35 fRingHistos.Add(new RingHistos(2, 'O'));
36 fRingHistos.Add(new RingHistos(3, 'I'));
37 fRingHistos.Add(new RingHistos(3, 'O'));
40 //____________________________________________________________________
41 AliFMDCorrections::AliFMDCorrections(const AliFMDCorrections& o)
46 TIter next(&o.fRingHistos);
48 while ((obj = next())) fRingHistos.Add(obj);
51 //____________________________________________________________________
52 AliFMDCorrections::~AliFMDCorrections()
57 //____________________________________________________________________
59 AliFMDCorrections::operator=(const AliFMDCorrections& o)
65 TIter next(&o.fRingHistos);
67 while ((obj = next())) fRingHistos.Add(obj);
72 //____________________________________________________________________
73 AliFMDCorrections::RingHistos*
74 AliFMDCorrections::GetRingHistos(UShort_t d, Char_t r) const
78 case 1: idx = 0; break;
79 case 2: idx = 1 + (r == 'I' || r == 'i' ? 0 : 1); break;
80 case 3: idx = 3 + (r == 'I' || r == 'i' ? 0 : 1); break;
82 if (idx < 0 || idx >= fRingHistos.GetEntries()) return 0;
84 return static_cast<RingHistos*>(fRingHistos.At(idx));
87 //____________________________________________________________________
89 AliFMDCorrections::Correct(AliForwardUtil::Histos& hists,
92 AliForwardCorrectionManager& fcm = AliForwardCorrectionManager::Instance();
94 UShort_t uvb = vtxbin;
95 for (UShort_t d=1; d<=3; d++) {
96 UShort_t nr = (d == 1 ? 1 : 2);
97 for (UShort_t q=0; q<nr; q++) {
98 Char_t r = (q == 0 ? 'I' : 'O');
99 TH2D* h = hists.Get(d,r);
100 RingHistos* rh= GetRingHistos(d,r);
101 TH2D* bg = fcm.GetSecondaryMap()->GetCorrection(d,r,uvb);
102 TH2D* ef = fcm.GetVertexBias()->GetCorrection(r, uvb);
104 AliWarning(Form("No secondary correction for FMDM%d%c in vertex bin %d",
109 AliWarning(Form("No event vertex bias correction in vertex bin %d",
114 // Divide by primary/total ratio
117 // Divide by the event selection efficiency
121 // if(!pars->SharingEffPresent()) {
122 // AliWarning("No sharing efficiencies");
125 // TH1F* sf = pars->GetSharingEfficiencyTrVtx(d,r,vtxbin);
126 if (!fcm.GetMergingEfficiency()) {
127 AliWarning("No merging efficiencies");
130 TH1D* sf = fcm.GetMergingEfficiency()->GetCorrection(d,r,uvb);
131 if (!fcm.GetMergingEfficiency()->GetCorrection(d,r,uvb)) {
132 AliWarning(Form("No merging efficiency for FMD%d%c at vertex bin %d",
138 for (Int_t ieta = 1; ieta <= h->GetNbinsX(); ieta++) {
139 Float_t c = sf->GetBinContent(ieta);
140 Float_t ec = sf->GetBinError(ieta);
142 if (c == 0) continue;
144 for (Int_t iphi = 1; iphi <= h->GetNbinsY(); iphi++) {
145 Double_t m = h->GetBinContent(ieta, iphi) / c;
146 Double_t em = h->GetBinError(ieta, iphi);
148 Double_t e = TMath::Sqrt(em * em + (m * ec) * (m * ec));
150 h->SetBinContent(ieta,iphi,m);
151 h->SetBinError(ieta,iphi,e);
155 rh->fDensity->Add(h);
162 //____________________________________________________________________
164 AliFMDCorrections::ScaleHistograms(TList* dir, Int_t nEvents)
166 if (nEvents <= 0) return;
167 TList* d = static_cast<TList*>(dir->FindObject(GetName()));
170 TIter next(&fRingHistos);
172 while ((o = static_cast<RingHistos*>(next())))
173 o->ScaleHistograms(d, nEvents);
175 //____________________________________________________________________
177 AliFMDCorrections::DefineOutput(TList* dir)
179 TList* d = new TList;
180 d->SetName(GetName());
182 TIter next(&fRingHistos);
184 while ((o = static_cast<RingHistos*>(next()))) {
189 //____________________________________________________________________
191 AliFMDCorrections::Print(Option_t* /* option */) const
193 char ind[gROOT->GetDirLevel()+1];
194 for (Int_t i = 0; i < gROOT->GetDirLevel(); i++) ind[i] = ' ';
195 ind[gROOT->GetDirLevel()] = '\0';
196 std::cout << ind << "AliFMDCorrections: " << GetName() << std::endl;
199 //====================================================================
200 AliFMDCorrections::RingHistos::RingHistos()
201 : AliForwardUtil::RingHistos(),
205 //____________________________________________________________________
206 AliFMDCorrections::RingHistos::RingHistos(UShort_t d, Char_t r)
207 : AliForwardUtil::RingHistos(d,r),
210 fDensity = new TH2D(Form("FMD%d%c_Primary_Density", d, r),
211 Form("in FMD%d%c", d, r),
212 200, -4, 6, (r == 'I' || r == 'i' ? 20 : 40),
214 fDensity->SetDirectory(0);
215 fDensity->SetXTitle("#eta");
216 fDensity->SetYTitle("#phi [radians]");
217 fDensity->SetZTitle("Primary N_{ch} density");
219 //____________________________________________________________________
220 AliFMDCorrections::RingHistos::RingHistos(const RingHistos& o)
221 : AliForwardUtil::RingHistos(o),
225 //____________________________________________________________________
226 AliFMDCorrections::RingHistos&
227 AliFMDCorrections::RingHistos::operator=(const RingHistos& o)
229 AliForwardUtil::RingHistos::operator=(o);
231 if (fDensity) delete fDensity;
233 fDensity = static_cast<TH2D*>(o.fDensity->Clone());
237 //____________________________________________________________________
238 AliFMDCorrections::RingHistos::~RingHistos()
240 if (fDensity) delete fDensity;
243 //____________________________________________________________________
245 AliFMDCorrections::RingHistos::Output(TList* dir)
247 TList* d = DefineOutputList(dir);
251 //____________________________________________________________________
253 AliFMDCorrections::RingHistos::ScaleHistograms(TList* dir, Int_t nEvents)
255 TList* l = GetOutputList(dir);
258 TH1* density = GetOutputHist(l,Form("%s_Primary_Density", fName.Data()));
259 if (density) density->Scale(1./nEvents);
262 //____________________________________________________________________