]> git.uio.no Git - u/mrichter/AliRoot.git/blame - PWG2/AliAnalysisTaskProtonsQA.cxx
Adding the possibility to run the analysis in eta-pT or y-pT (better for the corrections)
[u/mrichter/AliRoot.git] / PWG2 / AliAnalysisTaskProtonsQA.cxx
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7b59a00b 1#include "TChain.h"
2#include "TTree.h"
3#include "TString.h"
4#include "TList.h"
5#include "TH2F.h"
6#include "TH1I.h"
7#include "TF1.h"
8#include "TCanvas.h"
9#include "TLorentzVector.h"
10
11#include "AliAnalysisTask.h"
12#include "AliAnalysisManager.h"
13
14#include "AliESDEvent.h"
15#include "AliESDInputHandler.h"
16#include "AliMCEventHandler.h"
17#include "AliMCEvent.h"
18#include "AliStack.h"
5429dd65 19#include "AliVertexerTracks.h"
20#include "AliESDVertex.h"
7b59a00b 21
5ae0977e 22#include "AliProtonQAAnalysis.h"
7b59a00b 23#include "AliAnalysisTaskProtonsQA.h"
24
25// Analysis task used for the QA of the (anti)proton analysis
26// Author: Panos Cristakoglou
27
28ClassImp(AliAnalysisTaskProtonsQA)
5429dd65 29
7b59a00b 30//________________________________________________________________________
31AliAnalysisTaskProtonsQA::AliAnalysisTaskProtonsQA()
32 : AliAnalysisTask(), fESD(0), fMC(0),
9c0b9f24 33 fList0(0), fList1(0), fList2(0), fList3(0), fList4(0), fList5(0),
5429dd65 34 fProtonQAAnalysis(0),
35 fTriggerMode(kMB2), fProtonAnalysisMode(kTPC),
36 fVxMax(0), fVyMax(0), fVzMax(0) {
37 //Dummy constructor
7b59a00b 38}
39
40//________________________________________________________________________
41AliAnalysisTaskProtonsQA::AliAnalysisTaskProtonsQA(const char *name)
5429dd65 42 : AliAnalysisTask(name, ""), fESD(0), fMC(0),
43 fList0(0), fList1(0), fList2(0), fList3(0), fList4(0), fList5(0),
44 fProtonQAAnalysis(0),
45 fTriggerMode(kMB2), fProtonAnalysisMode(kTPC),
46 fVxMax(0), fVyMax(0), fVzMax(0) {
7b59a00b 47 // Constructor
5429dd65 48
7b59a00b 49 // Define input and output slots here
50 // Input slot #0 works with a TChain
51 DefineInput(0, TChain::Class());
52 // Output slot #0 writes into a TList container
53 DefineOutput(0, TList::Class());
d4733690 54 DefineOutput(1, TList::Class());
55 DefineOutput(2, TList::Class());
5b8133c7 56 DefineOutput(3, TList::Class());
57 DefineOutput(4, TList::Class());
9c0b9f24 58 DefineOutput(5, TList::Class());
7b59a00b 59}
60
61//________________________________________________________________________
62void AliAnalysisTaskProtonsQA::ConnectInputData(Option_t *) {
63 // Connect ESD or AOD here
64 // Called once
65
66 TTree* tree = dynamic_cast<TTree*> (GetInputData(0));
67 if (!tree) {
68 Printf("ERROR: Could not read chain from input slot 0");
69 } else {
7b59a00b 70 AliESDInputHandler *esdH = dynamic_cast<AliESDInputHandler*> (AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler());
71
72 if (!esdH) {
73 Printf("ERROR: Could not get ESDInputHandler");
74 } else
75 fESD = esdH->GetEvent();
76 }
77
78 AliMCEventHandler* mcH = dynamic_cast<AliMCEventHandler*> (AliAnalysisManager::GetAnalysisManager()->GetMCtruthEventHandler());
79 if (!mcH) {
80 Printf("ERROR: Could not retrieve MC event handler");
81 }
82 else
83 fMC = mcH->MCEvent();
84}
85
86//________________________________________________________________________
87void AliAnalysisTaskProtonsQA::CreateOutputObjects() {
88 // Create histograms
89 // Called once
90 //Prior probabilities
91 Double_t partFrac[5] = {0.01, 0.01, 0.85, 0.10, 0.05};
92
93 //proton analysis object
5429dd65 94 fProtonQAAnalysis = new AliProtonQAAnalysis();
dd3fa486 95 fProtonQAAnalysis->SetEtaMode(); //in case you want eta-Pt instead of y-Pt
5429dd65 96 fProtonQAAnalysis->SetRunMCAnalysis();
dd3fa486 97 fProtonQAAnalysis->SetRunEfficiencyAnalysis(kFALSE); //kTRUE if the cuts should be used in the reco and pid efficiencies
5429dd65 98 //fProtonQAAnalysis->SetMCProcessId(13);//4: weak decay - 13: hadronic interaction
99 //fProtonQAAnalysis->SetMotherParticlePDGCode(3122);//3122: Lambda
7b59a00b 100
3a954fe7 101 //Use of TPConly tracks
5429dd65 102 if(fProtonAnalysisMode == kTPC) {
3e23254a 103 //fProtonQAAnalysis->SetQAYPtBins(20, -1.0, 1.0, 28, 0.1, 1.5); //TPC only
6667f3a7 104 fProtonQAAnalysis->SetQAYPtBins(10, -0.5, 0.5, 16, 0.5, 0.9); //TPC only
5429dd65 105 fProtonQAAnalysis->UseTPCOnly();
106 //fProtonQAAnalysis->SetTPCpid();
107 fProtonQAAnalysis->SetMinTPCClusters(100);
108 fProtonQAAnalysis->SetMaxChi2PerTPCCluster(2.2);
109 fProtonQAAnalysis->SetMaxCov11(0.5);
110 fProtonQAAnalysis->SetMaxCov22(0.5);
111 fProtonQAAnalysis->SetMaxCov33(0.5);
112 fProtonQAAnalysis->SetMaxCov44(0.5);
113 fProtonQAAnalysis->SetMaxCov55(0.5);
114 fProtonQAAnalysis->SetMaxSigmaToVertexTPC(2.0);
115 //fProtonQAAnalysis->SetMaxDCAXYTPC(1.5);
116 //fProtonQAAnalysis->SetMaxDCAZTPC(1.5);
117 }
0326e385 118 //Use of HybridTPC tracks
5429dd65 119 else if(fProtonAnalysisMode == kHybrid) {
6667f3a7 120 fProtonQAAnalysis->SetQAYPtBins(10, -0.5, 0.5, 16, 0.5, 0.9); //HybridTPC
5429dd65 121 fProtonQAAnalysis->UseHybridTPC();
122 fProtonQAAnalysis->SetTPCpid();
123 fProtonQAAnalysis->SetMinTPCClusters(110);
124 fProtonQAAnalysis->SetMaxChi2PerTPCCluster(2.2);
125 fProtonQAAnalysis->SetMaxCov11(0.5);
126 fProtonQAAnalysis->SetMaxCov22(0.5);
127 fProtonQAAnalysis->SetMaxCov33(0.5);
128 fProtonQAAnalysis->SetMaxCov44(0.5);
129 fProtonQAAnalysis->SetMaxCov55(0.5);
130 fProtonQAAnalysis->SetMaxSigmaToVertex(2.0);
131 /*fProtonQAAnalysis->SetMaxDCAXY(1.5);
132 fProtonQAAnalysis->SetMaxDCAZ(1.5);*/
3e23254a 133 //fProtonQAAnalysis->SetPointOnITSLayer6();
134 //fProtonQAAnalysis->SetPointOnITSLayer5();
135 //fProtonQAAnalysis->SetPointOnITSLayer4();
136 //fProtonQAAnalysis->SetPointOnITSLayer3();
137 //fProtonQAAnalysis->SetPointOnITSLayer2();
138 //fProtonQAAnalysis->SetPointOnITSLayer1();
dd3fa486 139 //fProtonQAAnalysis->SetMinITSClusters(4);
5429dd65 140 }
7b59a00b 141 //Combined tracking
5429dd65 142 else if(fProtonAnalysisMode == kGlobal) {
dd3fa486 143 fProtonQAAnalysis->SetQAYPtBins(20, -1.0, 1.0, 48, 0.3, 1.5); //combined tracking
5429dd65 144 fProtonQAAnalysis->SetMinTPCClusters(110);
145 fProtonQAAnalysis->SetMaxChi2PerTPCCluster(2.2);
146 fProtonQAAnalysis->SetMaxCov11(0.5);
147 fProtonQAAnalysis->SetMaxCov22(0.5);
148 fProtonQAAnalysis->SetMaxCov33(0.5);
149 fProtonQAAnalysis->SetMaxCov44(0.5);
150 fProtonQAAnalysis->SetMaxCov55(0.5);
151 fProtonQAAnalysis->SetMaxSigmaToVertex(2.0);
152 //fProtonQAAnalysis->SetMaxDCAXY(2.0);
153 //fProtonQAAnalysis->SetMaxDCAZ(2.0);
154 fProtonQAAnalysis->SetTPCRefit();
155 fProtonQAAnalysis->SetPointOnITSLayer1();
156 fProtonQAAnalysis->SetPointOnITSLayer2();
157 //fProtonQAAnalysis->SetPointOnITSLayer3();
158 //fProtonQAAnalysis->SetPointOnITSLayer4();
159 fProtonQAAnalysis->SetPointOnITSLayer5();
160 fProtonQAAnalysis->SetPointOnITSLayer6();
161 fProtonQAAnalysis->SetMinITSClusters(5);
162 fProtonQAAnalysis->SetITSRefit();
163 fProtonQAAnalysis->SetESDpid();
164 }
7b59a00b 165
5429dd65 166 fProtonQAAnalysis->SetPriorProbabilities(partFrac);
167
d4733690 168 fList0 = new TList();
5429dd65 169 fList0 = fProtonQAAnalysis->GetGlobalQAList();
d4733690 170
171 fList1 = new TList();
5429dd65 172 fList1 = fProtonQAAnalysis->GetPDGList();
d4733690 173
174 fList2 = new TList();
5429dd65 175 fList2 = fProtonQAAnalysis->GetMCProcessesList();
5b8133c7 176
177 fList3 = new TList();
5429dd65 178 fList3 = fProtonQAAnalysis->GetAcceptedCutList();
5b8133c7 179
180 fList4 = new TList();
5429dd65 181 fList4 = fProtonQAAnalysis->GetAcceptedDCAList();
9c0b9f24 182
183 fList5 = new TList();
5429dd65 184 fList5 = fProtonQAAnalysis->GetEfficiencyQAList();
7b59a00b 185}
186
187//________________________________________________________________________
188void AliAnalysisTaskProtonsQA::Exec(Option_t *) {
189 // Main loop
190 // Called for each event
191
192 if (!fESD) {
193 Printf("ERROR: fESD not available");
194 return;
195 }
5429dd65 196
7b59a00b 197 if (!fMC) {
198 Printf("ERROR: Could not retrieve MC event");
199 return;
200 }
201
202 AliStack* stack = fMC->Stack();
203 if (!stack) {
204 Printf("ERROR: Could not retrieve the stack");
205 return;
206 }
207
5429dd65 208 if(IsEventTriggered(fESD,fTriggerMode)) {
209 const AliESDVertex *vertex = GetVertex(fESD,fProtonAnalysisMode,
210 fVxMax,fVyMax,fVzMax);
211 if(vertex) {
6667f3a7 212 fProtonQAAnalysis->RunQAAnalysis(stack, fESD, vertex);
5429dd65 213 fProtonQAAnalysis->RunMCAnalysis(stack);
6667f3a7 214 fProtonQAAnalysis->RunEfficiencyAnalysis(stack, fESD, vertex);
5429dd65 215 }//accepted vertex
216 }//triggered event
217
7b59a00b 218 // Post output data.
d4733690 219 PostData(0, fList0);
220 PostData(1, fList1);
221 PostData(2, fList2);
5b8133c7 222 PostData(3, fList3);
223 PostData(4, fList4);
9c0b9f24 224 PostData(5, fList5);
7b59a00b 225}
226
227//________________________________________________________________________
228void AliAnalysisTaskProtonsQA::Terminate(Option_t *) {
229 // Draw result to the screen
230 // Called once at the end of the query
231
d4733690 232 fList0 = dynamic_cast<TList*> (GetOutputData(0));
233 if (!fList0) {
5429dd65 234 Printf("ERROR: fList0 not available");
235 return;
236 }
237 fList1 = dynamic_cast<TList*> (GetOutputData(1));
238 if (!fList1) {
239 Printf("ERROR: fList1 not available");
240 return;
241 }
242 fList2 = dynamic_cast<TList*> (GetOutputData(2));
243 if (!fList2) {
244 Printf("ERROR: fList2 not available");
245 return;
246 }
247 fList3 = dynamic_cast<TList*> (GetOutputData(3));
248 if (!fList3) {
249 Printf("ERROR: fList3 not available");
250 return;
251 }
252 fList4 = dynamic_cast<TList*> (GetOutputData(4));
253 if (!fList4) {
254 Printf("ERROR: fList4 not available");
7b59a00b 255 return;
256 }
5429dd65 257 fList5 = dynamic_cast<TList*> (GetOutputData(5));
258 if (!fList5) {
259 Printf("ERROR: fList5 not available");
260 return;
261 }
262}
263
264//________________________________________________________________________
265Bool_t AliAnalysisTaskProtonsQA::IsEventTriggered(const AliESDEvent *esd,
266 TriggerMode trigger) {
267 // check if the event was triggered
268 ULong64_t triggerMask = esd->GetTriggerMask();
269
270 // definitions from p-p.cfg
271 ULong64_t spdFO = (1 << 14);
272 ULong64_t v0left = (1 << 11);
273 ULong64_t v0right = (1 << 12);
274
275 switch (trigger) {
276 case kMB1: {
277 if (triggerMask & spdFO || ((triggerMask & v0left) || (triggerMask & v0right)))
278 return kTRUE;
279 break;
280 }
281 case kMB2: {
282 if (triggerMask & spdFO && ((triggerMask & v0left) || (triggerMask & v0right)))
283 return kTRUE;
284 break;
285 }
286 case kSPDFASTOR: {
287 if (triggerMask & spdFO)
288 return kTRUE;
289 break;
290 }
291 }//switch
292
293 return kFALSE;
7b59a00b 294}
295
5429dd65 296//________________________________________________________________________
297const AliESDVertex* AliAnalysisTaskProtonsQA::GetVertex(AliESDEvent* esd,
298 AnalysisMode mode,
299 Double_t gVxMax,
300 Double_t gVyMax,
301 Double_t gVzMax) {
302 // Get the vertex from the ESD and returns it if the vertex is valid
303 // Second argument decides which vertex is used (this selects
304 // also the quality criteria that are applied)
305 const AliESDVertex* vertex = 0;
306 if(mode == kHybrid)
307 vertex = esd->GetPrimaryVertexSPD();
308 else if(mode == kTPC){
309 Double_t kBz = esd->GetMagneticField();
310 AliVertexerTracks vertexer(kBz);
311 vertexer.SetTPCMode();
312 AliESDVertex *vTPC = vertexer.FindPrimaryVertex(esd);
313 esd->SetPrimaryVertexTPC(vTPC);
314 for (Int_t i=0; i<esd->GetNumberOfTracks(); i++) {
315 AliESDtrack *t = esd->GetTrack(i);
316 t->RelateToVertexTPC(vTPC, kBz, kVeryBig);
317 }
318 delete vTPC;
319 vertex = esd->GetPrimaryVertexTPC();
320 }
321 else if(mode == kGlobal)
322 vertex = esd->GetPrimaryVertex();
323 else
324 Printf("GetVertex: ERROR: Invalid second argument %d", mode);
325
326 if(!vertex) return 0;
327
328 // check Ncontributors
329 if(vertex->GetNContributors() <= 0) return 0;
330
331 // check resolution
332 Double_t zRes = vertex->GetZRes();
333 if(zRes == 0) return 0;
334
335 //check position
336 if(TMath::Abs(vertex->GetXv()) > gVxMax) return 0;
337 if(TMath::Abs(vertex->GetYv()) > gVyMax) return 0;
338 if(TMath::Abs(vertex->GetZv()) > gVzMax) return 0;
339
340 return vertex;
341}
342
343
344
7b59a00b 345