4 #include <TInterpreter.h>
11 #include "AliFMDAnalysisTaskDndeta.h"
12 #include "AliAnalysisManager.h"
13 #include "AliESDFMD.h"
14 #include "AliESDEvent.h"
15 #include "AliAODEvent.h"
16 #include "AliAODHandler.h"
17 #include "AliMCEventHandler.h"
20 #include "AliESDVertex.h"
22 #include "AliFMDAnaParameters.h"
23 //#include "AliFMDGeometry.h"
24 #include "AliGenEventHeader.h"
25 #include "AliHeader.h"
26 //#include "TDatabasePDG.h"
27 //#include "TParticlePDG.h"
28 #include "AliFMDStripIndex.h"
29 ClassImp(AliFMDAnalysisTaskDndeta)
32 AliFMDAnalysisTaskDndeta::AliFMDAnalysisTaskDndeta()
47 // Default constructor
48 DefineInput (0, TList::Class());
49 DefineOutput(0, TList::Class());
51 //_____________________________________________________________________
52 AliFMDAnalysisTaskDndeta::AliFMDAnalysisTaskDndeta(const char* name, Bool_t SE):
53 AliAnalysisTask(name, "Density"),
70 DefineInput (0, TList::Class());
71 DefineInput(1, TObjString::Class());
72 DefineOutput(0, TList::Class());
76 //_____________________________________________________________________
77 void AliFMDAnalysisTaskDndeta::CreateOutputObjects()
79 AliFMDAnaParameters* pars = AliFMDAnaParameters::Instance();
81 fArray.SetName("FMD");
85 fOutputList = new TList();
86 fOutputList->SetName("BackgroundCorrected");
91 TH1F* hPrimVertexBin = 0;
94 TH2F* hBgTmp = pars->GetBackgroundCorrection(1, 'I', 0);
95 TH1F* hPrimary = new TH1F("hMultvsEta","hMultvsEta",
97 hBgTmp->GetXaxis()->GetXmin(),
98 hBgTmp->GetXaxis()->GetXmax());
100 fOutputList->Add(hPrimary);
101 Int_t nVtxbins = pars->GetNvtxBins();
104 for(Int_t det =1; det<=3;det++)
106 TObjArray* detArray = new TObjArray();
107 detArray->SetName(Form("FMD%d",det));
108 fArray.AddAtAndExpand(detArray,det);
109 Int_t nRings = (det==1 ? 1 : 2);
110 for(Int_t ring = 0;ring<nRings;ring++)
112 Char_t ringChar = (ring == 0 ? 'I' : 'O');
113 Int_t nSec = (ring == 0 ? 20 : 40);
115 TObjArray* vtxArray = new TObjArray();
116 vtxArray->SetName(Form("FMD%d%c",det,ringChar));
117 detArray->AddAtAndExpand(vtxArray,ring);
118 for(Int_t i = 0; i< nVtxbins; i++) {
119 TH2F* hBg = pars->GetBackgroundCorrection(det, ringChar, i);
120 hMult = new TH2F(Form("dNdeta_FMD%d%c_vtxbin%d",det,ringChar,i),Form("dNdeta_FMD%d%c_vtxbin%d",det,ringChar,i),
122 hBg->GetXaxis()->GetXmin(),
123 hBg->GetXaxis()->GetXmax(),
124 nSec, 0, 2*TMath::Pi());
126 hHits = new TH1F(Form("hHits_FMD%d%c_vtxbin%d",det,ringChar,i),Form("hHits_FMD%d%c_vtxbin%d",det,ringChar,i),
128 hBg->GetXaxis()->GetXmin(),
129 hBg->GetXaxis()->GetXmax());
135 fOutputList->Add(hMult);
136 fOutputList->Add(hHits);
137 vtxArray->AddAtAndExpand(hMult,i);
143 for(Int_t i = 0; i< nVtxbins; i++) {
145 hPrimVertexBin = new TH1F(Form("primmult_vtxbin%d",i),
146 Form("primmult_vtxbin%d",i),
148 hBgTmp->GetXaxis()->GetXmin(),
149 hBgTmp->GetXaxis()->GetXmax());
150 hPrimVertexBin->Sumw2();
151 fOutputList->Add(hPrimVertexBin);
155 fNevents.SetBins(nVtxbins,0,nVtxbins);
156 fNevents.SetName("nEvents");
157 fNMCevents.SetBins(nVtxbins,0,nVtxbins);
158 fNMCevents.SetName("nMCEvents");
159 fOutputList->Add(&fNevents);
160 fOutputList->Add(&fNMCevents);
163 //_____________________________________________________________________
164 void AliFMDAnalysisTaskDndeta::ConnectInputData(Option_t */*option*/)
167 fInputList = (TList*)GetInputData(0);
168 fVertexString = (TObjString*)GetInputData(1);
171 //_____________________________________________________________________
172 void AliFMDAnalysisTaskDndeta::Exec(Option_t */*option*/)
174 Int_t vtxbin = fVertexString->GetString().Atoi();
175 fNevents.Fill(vtxbin);
176 for(UShort_t det=1;det<=3;det++) {
177 //TObjArray* detInputArray = (TObjArray*)fInputArray->At(det);
178 TObjArray* detArray = (TObjArray*)fArray.At(det);
179 Int_t nRings = (det==1 ? 1 : 2);
180 for (UShort_t ir = 0; ir < nRings; ir++) {
181 Char_t ringChar = (ir == 0 ? 'I' : 'O');
182 //TObjArray* vtxInputArray = (TObjArray*)detInputArray->At(ir);
183 TObjArray* vtxArray = (TObjArray*)detArray->At(ir);
184 TH2F* hMultTotal = (TH2F*)vtxArray->At(vtxbin);
187 TH2F* hMultInput = (TH2F*)fInputList->FindObject(Form("mult_FMD%d%c_vtxbin%d",det,ringChar,vtxbin));
189 hMultTotal->Add(hMultInput);
195 if(fMCevent && fPrimary)
199 PostData(0, fOutputList);
203 //_____________________________________________________________________
204 void AliFMDAnalysisTaskDndeta::Terminate(Option_t */*option*/) {
207 AliFMDAnaParameters* pars = AliFMDAnaParameters::Instance();
209 Int_t nVtxbins = pars->GetNvtxBins();
211 for(UShort_t det=1;det<=3;det++) {
212 TObjArray* detArray = (TObjArray*)fArray.At(det);
213 Int_t nRings = (det==1 ? 1 : 2);
214 for (UShort_t ir = 0; ir < nRings; ir++) {
215 TObjArray* vtxArray = (TObjArray*)detArray->At(ir);
216 Char_t ringChar = (ir == 0 ? 'I' : 'O');
217 for(Int_t i =0; i<nVtxbins; i++) {
218 TH2F* hMultTotal = (TH2F*)vtxArray->At(i);
219 TH1D* hMultProj = hMultTotal->ProjectionX(Form("dNdeta_FMD%d%c_vtxbin%d_proj",det,ringChar,i),1,hMultTotal->GetNbinsY());
220 fOutputList->Add(hMultProj);
226 //_____________________________________________________________________
227 void AliFMDAnalysisTaskDndeta::ProcessPrimary() {
229 fLastTrackByStrip.Reset(-1);
231 AliFMDAnaParameters* pars = AliFMDAnaParameters::Instance();
233 AliMCParticle* particle = 0;
234 AliStack* stack = fMCevent->Stack();
236 TH1F* hPrimary = (TH1F*)fOutputList->FindObject("hMultvsEta");
237 AliHeader* header = fMCevent->Header();
238 AliGenEventHeader* genHeader = header->GenEventHeader();
241 genHeader->PrimaryVertex(vertex);
242 if(TMath::Abs(vertex.At(2)) > pars->GetVtxCutZ())
244 Double_t delta = 2*pars->GetVtxCutZ()/pars->GetNvtxBins();
245 Double_t vertexBinDouble = (vertex.At(2) + pars->GetVtxCutZ()) / delta;
246 Int_t vertexBin = (Int_t)vertexBinDouble;
248 Bool_t firstTrack = kTRUE;
250 // we loop over the primaries only unless we need the hits (diagnostics running slowly)
251 Int_t nTracks = stack->GetNprimary();
253 nTracks = stack->GetNtrack();
255 for(Int_t i = 0 ;i<nTracks;i++) {
256 particle = fMCevent->GetTrack(i);
260 if(stack->IsPhysicalPrimary(i) && particle->Charge() != 0) {
261 hPrimary->Fill(particle->Eta());
264 TH1F* hPrimVtxBin = (TH1F*)fOutputList->FindObject(Form("primmult_vtxbin%d",vertexBin));
265 hPrimVtxBin->Fill(particle->Eta());
267 fNMCevents.Fill(vertexBin);
273 for(Int_t j=0; j<particle->GetNumberOfTrackReferences();j++) {
275 AliTrackReference* ref = particle->GetTrackReference(j);
276 UShort_t det,sec,strip;
278 if(ref->DetectorId() != AliTrackReference::kFMD)
280 AliFMDStripIndex::Unpack(ref->UserId(),det,ring,sec,strip);
281 Float_t thisStripTrack = fLastTrackByStrip(det,ring,sec,strip);
282 if(particle->Charge() != 0 && i != thisStripTrack ) {
285 Float_t eta = pars->GetEtaFromStrip(det,ring,sec,strip,vertex.At(2));//-1*TMath::Log(TMath::Tan(0.5*theta));
286 TH1F* hHits = (TH1F*)fOutputList->FindObject(Form("hHits_FMD%d%c_vtxbin%d",det,ring,vertexBin));
288 Float_t nstrips = (ring =='O' ? 256 : 512);
290 fLastTrackByStrip(det,ring,sec,strip) = (Float_t)i;
293 fLastTrackByStrip(det,ring,sec,strip-1) = (Float_t)i;
294 if(strip < (nstrips - 1))
295 fLastTrackByStrip(det,ring,sec,strip+1) = (Float_t)i;
305 //_____________________________________________________________________