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7cc34f08 | 1 | //------------------------------------------------------------------------------ |
2 | // Implementation of AliPerformanceRes class. It keeps information from | |
3 | // comparison of reconstructed and MC particle tracks. In addtion, | |
4 | // it keeps selection cuts used during comparison. The comparison | |
5 | // information is stored in the ROOT histograms. Analysis of these | |
6 | // histograms can be done by using Analyse() class function. The result of | |
7 | // the analysis (histograms/graphs) are stored in the folder which is | |
8 | // a data member of AliPerformanceRes. | |
9 | // | |
10 | // Author: J.Otwinowski 04/02/2008 | |
11 | //------------------------------------------------------------------------------ | |
12 | ||
13 | /* | |
14 | ||
15 | // after running comparison task, read the file, and get component | |
2bfe5463 | 16 | gROOT->LoadMacro("$ALICE_ROOT/PWGPP/Macros/LoadMyLibs.C"); |
7cc34f08 | 17 | LoadMyLibs(); |
18 | ||
19 | TFile f("Output.root"); | |
20 | AliPerformanceRes * compObj = (AliPerformanceRes*)coutput->FindObject("AliPerformanceRes"); | |
21 | ||
22 | // analyse comparison data | |
23 | compObj->Analyse(); | |
24 | ||
25 | // the output histograms/graphs will be stored in the folder "folderRes" | |
26 | compObj->GetAnalysisFolder()->ls("*"); | |
27 | ||
28 | // user can save whole comparison object (or only folder with anlysed histograms) | |
29 | // in the seperate output file (e.g.) | |
30 | TFile fout("Analysed_Res.root","recreate"); | |
31 | compObj->Write(); // compObj->GetAnalysisFolder()->Write(); | |
32 | fout.Close(); | |
33 | ||
34 | */ | |
35 | ||
36 | #include "TCanvas.h" | |
37 | #include "TH1.h" | |
38 | #include "TH2.h" | |
39 | #include "TAxis.h" | |
40 | #include "TF1.h" | |
41 | ||
42 | #include "AliPerformanceRes.h" | |
43 | #include "AliESDEvent.h" | |
44 | #include "AliESDVertex.h" | |
45 | #include "AliESDtrack.h" | |
46 | #include "AliESDfriendTrack.h" | |
47 | #include "AliESDfriend.h" | |
48 | #include "AliLog.h" | |
49 | #include "AliMCEvent.h" | |
50 | #include "AliMCParticle.h" | |
51 | #include "AliHeader.h" | |
52 | #include "AliGenEventHeader.h" | |
53 | #include "AliStack.h" | |
54 | #include "AliMCInfoCuts.h" | |
55 | #include "AliRecInfoCuts.h" | |
56 | #include "AliTracker.h" | |
57 | #include "AliTreeDraw.h" | |
58 | ||
59 | using namespace std; | |
60 | ||
61 | ClassImp(AliPerformanceRes) | |
62 | ||
63 | //_____________________________________________________________________________ | |
64 | AliPerformanceRes::AliPerformanceRes(): | |
65 | AliPerformanceObject("AliPerformanceRes"), | |
66 | fResolHisto(0), | |
67 | fPullHisto(0), | |
68 | ||
69 | // Cuts | |
70 | fCutsRC(0), | |
71 | fCutsMC(0), | |
72 | ||
73 | // histogram folder | |
74 | fAnalysisFolder(0) | |
75 | { | |
76 | Init(); | |
77 | } | |
78 | ||
79 | //_____________________________________________________________________________ | |
80 | AliPerformanceRes::AliPerformanceRes(Char_t* name="AliPerformanceRes", Char_t* title="AliPerformanceRes",Int_t analysisMode=0,Bool_t hptGenerator=kFALSE): | |
81 | AliPerformanceObject(name,title), | |
82 | fResolHisto(0), | |
83 | fPullHisto(0), | |
84 | ||
85 | // Cuts | |
86 | fCutsRC(0), | |
87 | fCutsMC(0), | |
88 | ||
89 | // histogram folder | |
90 | fAnalysisFolder(0) | |
91 | { | |
92 | // named constructor | |
93 | // | |
94 | SetAnalysisMode(analysisMode); | |
95 | SetHptGenerator(hptGenerator); | |
96 | ||
97 | Init(); | |
98 | } | |
99 | ||
100 | //_____________________________________________________________________________ | |
101 | AliPerformanceRes::~AliPerformanceRes() | |
102 | { | |
103 | // destructor | |
104 | ||
105 | if(fResolHisto) delete fResolHisto; fResolHisto=0; | |
106 | if(fPullHisto) delete fPullHisto; fPullHisto=0; | |
107 | ||
108 | if(fAnalysisFolder) delete fAnalysisFolder; fAnalysisFolder=0; | |
109 | } | |
110 | ||
111 | //_____________________________________________________________________________ | |
112 | void AliPerformanceRes::Init(){ | |
113 | ||
114 | // | |
115 | // histogram bining | |
116 | // | |
117 | ||
118 | // set pt bins | |
119 | Int_t nPtBins = 50; | |
ef1ed531 | 120 | Double_t ptMin = 1.e-2, ptMax = 20.; |
7cc34f08 | 121 | |
122 | Double_t *binsPt = 0; | |
ef1ed531 | 123 | |
7cc34f08 | 124 | if (IsHptGenerator()) { |
ef1ed531 | 125 | ptMax = 100.; |
126 | } | |
127 | binsPt = CreateLogAxis(nPtBins,ptMin,ptMax); | |
7cc34f08 | 128 | |
129 | Double_t yMin = -0.02, yMax = 0.02; | |
130 | Double_t zMin = -12.0, zMax = 12.0; | |
131 | if(GetAnalysisMode() == 3) { // TrackRef coordinate system | |
132 | yMin = -100.; yMax = 100.; | |
133 | zMin = -100.; zMax = 100.; | |
134 | } | |
135 | ||
136 | // res_y:res_z:res_phi,res_lambda:res_pt:y:z:eta:phi:pt | |
e6a60a90 | 137 | Int_t binsResolHisto[10]={100,100,100,100,100,25,50,144,30,nPtBins}; |
7cc34f08 | 138 | Double_t minResolHisto[10]={-1.,-1.,-0.03,-0.03,-0.2, yMin, zMin, 0., -1.5, ptMin}; |
139 | Double_t maxResolHisto[10]={ 1., 1., 0.03, 0.03, 0.2, yMax, zMax, 2.*TMath::Pi(), 1.5, ptMax}; | |
140 | ||
141 | fResolHisto = new THnSparseF("fResolHisto","res_y:res_z:res_phi:res_lambda:res_pt:y:z:phi:eta:pt",10,binsResolHisto,minResolHisto,maxResolHisto); | |
142 | fResolHisto->SetBinEdges(9,binsPt); | |
143 | ||
144 | fResolHisto->GetAxis(0)->SetTitle("y-y_{mc} (cm)"); | |
145 | fResolHisto->GetAxis(1)->SetTitle("z-z_{mc} (cm)"); | |
146 | fResolHisto->GetAxis(2)->SetTitle("#phi-#phi_{mc} (rad)"); | |
147 | fResolHisto->GetAxis(3)->SetTitle("#lambda-#lambda_{mc} (rad)"); | |
148 | fResolHisto->GetAxis(4)->SetTitle("(p_{T}/p_{Tmc}-1)"); | |
149 | fResolHisto->GetAxis(5)->SetTitle("y_{mc} (cm)"); | |
150 | fResolHisto->GetAxis(6)->SetTitle("z_{mc} (cm)"); | |
151 | fResolHisto->GetAxis(7)->SetTitle("#phi_{mc} (rad)"); | |
152 | fResolHisto->GetAxis(8)->SetTitle("#eta_{mc}"); | |
153 | fResolHisto->GetAxis(9)->SetTitle("p_{Tmc} (GeV/c)"); | |
154 | fResolHisto->Sumw2(); | |
155 | ||
156 | ////pull_y:pull_z:pull_phi:pull_lambda:pull_1pt:y:z:eta:phi:pt | |
e6a60a90 | 157 | //Int_t binsPullHisto[10]={100,100,100,100,100,50,50,30,144,nPtBins}; |
7cc34f08 | 158 | //Double_t minPullHisto[10]={-5.,-5.,-5.,-5.,-5.,yMin, zMin,-1.5, 0., ptMin}; |
159 | //Double_t maxPullHisto[10]={ 5., 5., 5., 5., 5., yMax, zMax, 1.5, 2.*TMath::Pi(),ptMax}; | |
160 | //fPullHisto = new THnSparseF("fPullHisto","pull_y:pull_z:pull_phi:pull_lambda:pull_1pt:y:z:eta:phi:pt",10,binsPullHisto,minPullHisto,maxPullHisto); | |
161 | ||
162 | //pull_y:pull_z:pull_snp:pull_tgl:pull_1pt:y:z:snp:tgl:1pt | |
163 | Int_t binsPullHisto[10]={100,100,100,100,100,50,50,50,50,nPtBins}; | |
164 | Double_t minPullHisto[10]={-5.,-5.,-5.,-5.,-5.,yMin, zMin,-1., -2.0, ptMin}; | |
165 | Double_t maxPullHisto[10]={ 5., 5., 5., 5., 5., yMax, zMax, 1., 2.0, ptMax}; | |
166 | fPullHisto = new THnSparseF("fPullHisto","pull_y:pull_z:pull_y:pull_z:pull_snp:pull_tgl:pull_1pt:y:z:snp:tgl:1pt",10,binsPullHisto,minPullHisto,maxPullHisto); | |
167 | ||
168 | /* | |
169 | if(!IsHptGenerator()) fPullHisto->SetBinEdges(9,bins1Pt); | |
170 | fPullHisto->GetAxis(0)->SetTitle("(y-y_{mc})/#sigma"); | |
171 | fPullHisto->GetAxis(1)->SetTitle("(z-z_{mc})/#sigma"); | |
172 | fPullHisto->GetAxis(2)->SetTitle("(#phi-#phi_{mc})/#sigma"); | |
173 | fPullHisto->GetAxis(3)->SetTitle("(#lambda-#lambda_{mc})/#sigma"); | |
174 | fPullHisto->GetAxis(4)->SetTitle("(p_{Tmc}/p_{T}-1)/#sigma"); | |
175 | fPullHisto->GetAxis(5)->SetTitle("y_{mc} (cm)"); | |
176 | fPullHisto->GetAxis(6)->SetTitle("z_{mc} (cm)"); | |
177 | fPullHisto->GetAxis(7)->SetTitle("#eta_{mc}"); | |
178 | fPullHisto->GetAxis(8)->SetTitle("#phi_{mc} (rad)"); | |
179 | fPullHisto->GetAxis(9)->SetTitle("p_{Tmc} (GeV/c)"); | |
180 | fPullHisto->Sumw2(); | |
181 | */ | |
182 | ||
183 | fPullHisto->GetAxis(0)->SetTitle("(y-y_{mc})/#sigma"); | |
184 | fPullHisto->GetAxis(1)->SetTitle("(z-z_{mc})/#sigma"); | |
185 | fPullHisto->GetAxis(2)->SetTitle("(sin#phi-sin#phi_{mc})/#sigma"); | |
186 | fPullHisto->GetAxis(3)->SetTitle("(tan#lambda-tan#lambda_{mc})/#sigma"); | |
187 | fPullHisto->GetAxis(4)->SetTitle("(p_{Tmc}/p_{T}-1)/#sigma"); | |
188 | fPullHisto->GetAxis(5)->SetTitle("y_{mc} (cm)"); | |
189 | fPullHisto->GetAxis(6)->SetTitle("z_{mc} (cm)"); | |
190 | fPullHisto->GetAxis(7)->SetTitle("sin#phi_{mc}"); | |
191 | fPullHisto->GetAxis(8)->SetTitle("tan#lambda_{mc}"); | |
192 | fPullHisto->GetAxis(9)->SetTitle("1/p_{Tmc} (GeV/c)^{-1}"); | |
193 | fPullHisto->Sumw2(); | |
194 | ||
195 | // Init cuts | |
196 | if(!fCutsMC) | |
197 | AliDebug(AliLog::kError, "ERROR: Cannot find AliMCInfoCuts object"); | |
198 | if(!fCutsRC) | |
199 | AliDebug(AliLog::kError, "ERROR: Cannot find AliRecInfoCuts object"); | |
200 | ||
201 | // init folder | |
202 | fAnalysisFolder = CreateFolder("folderRes","Analysis Resolution Folder"); | |
203 | } | |
204 | ||
205 | //_____________________________________________________________________________ | |
758320f7 | 206 | void AliPerformanceRes::ProcessTPC(AliStack* const stack, AliESDtrack *const esdTrack, AliESDEvent* const esdEvent) |
7cc34f08 | 207 | { |
758320f7 | 208 | if(!esdEvent) return; |
7cc34f08 | 209 | if(!esdTrack) return; |
210 | ||
758320f7 | 211 | if( IsUseTrackVertex() ) |
212 | { | |
213 | // Relate TPC inner params to prim. vertex | |
214 | const AliESDVertex *vtxESD = esdEvent->GetPrimaryVertexTracks(); | |
215 | Double_t x[3]; esdTrack->GetXYZ(x); | |
216 | Double_t b[3]; AliTracker::GetBxByBz(x,b); | |
217 | Bool_t isOK = esdTrack->RelateToVertexTPCBxByBz(vtxESD, b, kVeryBig); | |
218 | if(!isOK) return; | |
219 | ||
220 | /* | |
221 | // JMT -- recaluclate DCA for HLT if not present | |
222 | if ( dca[0] == 0. && dca[1] == 0. ) { | |
223 | track->GetDZ( vtxESD->GetX(), vtxESD->GetY(), vtxESD->GetZ(), esdEvent->GetMagneticField(), dca ); | |
224 | } | |
225 | */ | |
226 | } | |
227 | ||
228 | ||
229 | ||
7cc34f08 | 230 | // Fill TPC only resolution comparison information |
231 | const AliExternalTrackParam *track = esdTrack->GetTPCInnerParam(); | |
232 | if(!track) return; | |
233 | ||
234 | Float_t dca[2], cov[3]; // dca_xy, dca_z, sigma_xy, sigma_xy_z, sigma_z | |
235 | esdTrack->GetImpactParametersTPC(dca,cov); | |
236 | ||
237 | // | |
238 | // Fill rec vs MC information | |
239 | // | |
240 | if(!stack) return; | |
241 | Int_t label = TMath::Abs(esdTrack->GetLabel()); | |
242 | TParticle* particle = stack->Particle(label); | |
243 | if(!particle) return; | |
244 | if(!particle->GetPDG()) return; | |
245 | if(particle->GetPDG()->Charge()==0) return; | |
246 | //printf("charge %d \n",particle->GetPDG()->Charge()); | |
247 | ||
248 | // Only 5 charged particle species (e,mu,pi,K,p) | |
249 | if (fCutsMC->IsPdgParticle(TMath::Abs(particle->GetPdgCode())) == kFALSE) return; | |
250 | ||
251 | // exclude electrons | |
252 | if (fCutsMC->GetEM()==TMath::Abs(particle->GetPdgCode())) return; | |
253 | ||
254 | Float_t deltaPtTPC, deltaYTPC, deltaZTPC, deltaPhiTPC, deltaLambdaTPC; | |
255 | Float_t pull1PtTPC, pullYTPC, pullZTPC, pullPhiTPC, pullLambdaTPC; | |
256 | ||
257 | Float_t mceta = particle->Eta(); | |
258 | Float_t mcphi = particle->Phi(); | |
259 | if(mcphi<0) mcphi += 2.*TMath::Pi(); | |
260 | Float_t mcpt = particle->Pt(); | |
261 | Float_t mcsnp = TMath::Sin(TMath::ATan2(particle->Py(),particle->Px())); | |
262 | Float_t mctgl = TMath::Tan(TMath::ATan2(particle->Pz(),particle->Pt())); | |
263 | ||
264 | // nb. TPC clusters cut | |
265 | if (esdTrack->GetTPCNcls()<fCutsRC->GetMinNClustersTPC()) return; | |
266 | ||
267 | // select primaries | |
268 | if(TMath::Abs(dca[0])<fCutsRC->GetMaxDCAToVertexXY() && TMath::Abs(dca[1])<fCutsRC->GetMaxDCAToVertexZ()) | |
269 | { | |
270 | if(mcpt == 0) return; | |
271 | ||
272 | deltaYTPC= track->GetY()-particle->Vy(); | |
273 | deltaZTPC = track->GetZ()-particle->Vz(); | |
274 | deltaLambdaTPC = TMath::ATan2(track->Pz(),track->Pt())-TMath::ATan2(particle->Pz(),particle->Pt()); | |
275 | deltaPhiTPC = TMath::ATan2(track->Py(),track->Px())-TMath::ATan2(particle->Py(),particle->Px()); | |
276 | //delta1PtTPC = (track->OneOverPt()-1./mcpt)*mcpt; | |
277 | deltaPtTPC = (track->Pt()-mcpt) / mcpt; | |
278 | ||
279 | pullYTPC= (track->GetY()-particle->Vy()) / TMath::Sqrt(track->GetSigmaY2()); | |
280 | pullZTPC = (track->GetZ()-particle->Vz()) / TMath::Sqrt(track->GetSigmaZ2()); | |
281 | ||
282 | //Double_t sigma_lambda = 1./(1.+track->GetTgl()*track->GetTgl()) * TMath::Sqrt(track->GetSigmaTgl2()); | |
283 | //Double_t sigma_phi = 1./TMath::Sqrt(1-track->GetSnp()*track->GetSnp()) * TMath::Sqrt(track->GetSigmaSnp2()); | |
284 | pullPhiTPC = (track->GetSnp() - mcsnp) / TMath::Sqrt(track->GetSigmaSnp2()); | |
285 | pullLambdaTPC = (track->GetTgl() - mctgl) / TMath::Sqrt(track->GetSigmaTgl2()); | |
286 | ||
287 | //pullLambdaTPC = deltaLambdaTPC / TMath::Sqrt(track->GetSigmaTgl2()); | |
288 | //pullPhiTPC = deltaPhiTPC / TMath::Sqrt(track->GetSigmaSnp2()); | |
289 | if (mcpt) pull1PtTPC = (track->OneOverPt()-1./mcpt) / TMath::Sqrt(track->GetSigma1Pt2()); | |
290 | else pull1PtTPC = 0.; | |
291 | ||
292 | Double_t vResolHisto[10] = {deltaYTPC,deltaZTPC,deltaPhiTPC,deltaLambdaTPC,deltaPtTPC,particle->Vy(),particle->Vz(),mcphi,mceta,mcpt}; | |
293 | fResolHisto->Fill(vResolHisto); | |
294 | ||
295 | Double_t vPullHisto[10] = {pullYTPC,pullZTPC,pullPhiTPC,pullLambdaTPC,pull1PtTPC,particle->Vy(),particle->Vz(),mcsnp,mctgl,1./mcpt}; | |
296 | fPullHisto->Fill(vPullHisto); | |
297 | } | |
298 | } | |
299 | ||
300 | //_____________________________________________________________________________ | |
758320f7 | 301 | void AliPerformanceRes::ProcessTPCITS(AliStack* const stack, AliESDtrack *const esdTrack, AliESDEvent* const esdEvent) |
7cc34f08 | 302 | { |
303 | // Fill resolution comparison information (TPC+ITS) | |
758320f7 | 304 | if(!esdEvent) return; |
7cc34f08 | 305 | if(!esdTrack) return; |
306 | ||
758320f7 | 307 | if( IsUseTrackVertex() ) |
308 | { | |
309 | // Relate TPC inner params to prim. vertex | |
310 | const AliESDVertex *vtxESD = esdEvent->GetPrimaryVertexTracks(); | |
311 | Double_t x[3]; esdTrack->GetXYZ(x); | |
312 | Double_t b[3]; AliTracker::GetBxByBz(x,b); | |
313 | Bool_t isOK = esdTrack->RelateToVertexBxByBz(vtxESD, b, kVeryBig); | |
314 | if(!isOK) return; | |
315 | ||
316 | /* | |
317 | // JMT -- recaluclate DCA for HLT if not present | |
318 | if ( dca[0] == 0. && dca[1] == 0. ) { | |
319 | track->GetDZ( vtxESD->GetX(), vtxESD->GetY(), vtxESD->GetZ(), esdEvent->GetMagneticField(), dca ); | |
320 | } | |
321 | */ | |
322 | } | |
323 | ||
7cc34f08 | 324 | Float_t dca[2], cov[3]; // dca_xy, dca_z, sigma_xy, sigma_xy_z, sigma_z |
325 | esdTrack->GetImpactParameters(dca,cov); | |
326 | ||
327 | // | |
328 | // Fill rec vs MC information | |
329 | // | |
330 | if(!stack) return; | |
331 | ||
332 | Int_t label = TMath::Abs(esdTrack->GetLabel()); | |
333 | TParticle* particle = stack->Particle(label); | |
334 | if(!particle) return; | |
ff7b6e14 | 335 | if(!particle->GetPDG()) return; |
7cc34f08 | 336 | if(particle->GetPDG()->Charge()==0) return; |
337 | //printf("charge %d \n",particle->GetPDG()->Charge()); | |
338 | ||
339 | ||
340 | // Only 5 charged particle species (e,mu,pi,K,p) | |
341 | if (fCutsMC->IsPdgParticle(TMath::Abs(particle->GetPdgCode())) == kFALSE) return; | |
342 | ||
343 | // exclude electrons | |
344 | if (fCutsMC->GetEM()==TMath::Abs(particle->GetPdgCode())) return; | |
345 | ||
346 | Float_t mceta = particle->Eta(); | |
347 | Float_t mcphi = particle->Phi(); | |
348 | if(mcphi<0) mcphi += 2.*TMath::Pi(); | |
349 | Float_t mcpt = particle->Pt(); | |
350 | Float_t mcsnp = TMath::Sin(TMath::ATan2(particle->Py(),particle->Px())); | |
351 | Float_t mctgl = TMath::Tan(TMath::ATan2(particle->Pz(),particle->Pt())); | |
352 | ||
353 | if ((esdTrack->GetStatus()&AliESDtrack::kTPCrefit)==0) return; // TPC refit | |
354 | if (esdTrack->GetTPCNcls()<fCutsRC->GetMinNClustersTPC()) return; // min. nb. TPC clusters | |
faa3b211 | 355 | if(esdTrack->GetITSclusters(0)<fCutsRC->GetMinNClustersITS()) return; // min. nb. ITS clusters |
7cc34f08 | 356 | |
357 | Float_t deltaPtTPC, deltaYTPC, deltaZTPC, deltaPhiTPC, deltaLambdaTPC; | |
358 | Float_t pull1PtTPC, pullYTPC, pullZTPC, pullPhiTPC, pullLambdaTPC; | |
359 | ||
360 | // select primaries | |
361 | if(TMath::Abs(dca[0])<fCutsRC->GetMaxDCAToVertexXY() && TMath::Abs(dca[1])<fCutsRC->GetMaxDCAToVertexZ()) | |
362 | { | |
363 | if(mcpt == 0) return; | |
364 | ||
365 | deltaYTPC= esdTrack->GetY()-particle->Vy(); | |
366 | deltaZTPC = esdTrack->GetZ()-particle->Vz(); | |
367 | deltaLambdaTPC = TMath::ATan2(esdTrack->Pz(),esdTrack->Pt())-TMath::ATan2(particle->Pz(),particle->Pt()); | |
368 | deltaPhiTPC = TMath::ATan2(esdTrack->Py(),esdTrack->Px())-TMath::ATan2(particle->Py(),particle->Px()); | |
369 | //delta1PtTPC = (esdTrack->OneOverPt()-1./mcpt)*mcpt; | |
370 | deltaPtTPC = (esdTrack->Pt()-mcpt) / mcpt; | |
371 | ||
372 | pullYTPC= (esdTrack->GetY()-particle->Vy()) / TMath::Sqrt(esdTrack->GetSigmaY2()); | |
373 | pullZTPC = (esdTrack->GetZ()-particle->Vz()) / TMath::Sqrt(esdTrack->GetSigmaZ2()); | |
374 | ||
375 | //Double_t sigma_lambda = 1./(1.+esdTrack->GetTgl()*esdTrack->GetTgl()) * TMath::Sqrt(esdTrack->GetSigmaTgl2()); | |
376 | //Double_t sigma_phi = 1./TMath::Sqrt(1-esdTrack->GetSnp()*esdTrack->GetSnp()) * TMath::Sqrt(esdTrack->GetSigmaSnp2()); | |
377 | pullPhiTPC = (esdTrack->GetSnp() - mcsnp) / TMath::Sqrt(esdTrack->GetSigmaSnp2()); | |
378 | pullLambdaTPC = (esdTrack->GetTgl() - mctgl) / TMath::Sqrt(esdTrack->GetSigmaTgl2()); | |
379 | ||
380 | //pullLambdaTPC = deltaLambdaTPC / TMath::Sqrt(esdTrack->GetSigmaTgl2()); | |
381 | //pullPhiTPC = deltaPhiTPC / TMath::Sqrt(esdTrack->GetSigmaSnp2()); | |
382 | if (mcpt) pull1PtTPC = (esdTrack->OneOverPt()-1./mcpt) / TMath::Sqrt(esdTrack->GetSigma1Pt2()); | |
383 | else pull1PtTPC = 0.; | |
384 | ||
385 | Double_t vResolHisto[10] = {deltaYTPC,deltaZTPC,deltaPhiTPC,deltaLambdaTPC,deltaPtTPC,particle->Vy(),particle->Vz(),mcphi,mceta,mcpt}; | |
386 | fResolHisto->Fill(vResolHisto); | |
387 | ||
388 | Double_t vPullHisto[10] = {pullYTPC,pullZTPC,pullPhiTPC,pullLambdaTPC,pull1PtTPC,particle->Vy(),particle->Vz(),mcsnp,mctgl,1./mcpt}; | |
389 | fPullHisto->Fill(vPullHisto); | |
390 | ||
391 | ||
392 | /* | |
393 | deltaYTPC= esdTrack->GetY()-particle->Vy(); | |
394 | deltaZTPC = esdTrack->GetZ()-particle->Vz(); | |
395 | deltaLambdaTPC = TMath::ATan2(esdTrack->Pz(),esdTrack->Pt())-TMath::ATan2(particle->Pz(),particle->Pt()); | |
396 | deltaPhiTPC = TMath::ATan2(esdTrack->Py(),esdTrack->Px())-TMath::ATan2(particle->Py(),particle->Px()); | |
397 | delta1PtTPC = (esdTrack->OneOverPt()-1./mcpt)*mcpt; | |
398 | ||
399 | pullYTPC= (esdTrack->GetY()-particle->Vy()) / TMath::Sqrt(esdTrack->GetSigmaY2()); | |
400 | pullZTPC = (esdTrack->GetZ()-particle->Vz()) / TMath::Sqrt(esdTrack->GetSigmaZ2()); | |
401 | ||
402 | Double_t sigma_lambda = 1./(1.+esdTrack->GetTgl()*esdTrack->GetTgl()) * TMath::Sqrt(esdTrack->GetSigmaTgl2()); | |
403 | Double_t sigma_phi = 1./TMath::Sqrt(1-esdTrack->GetSnp()*esdTrack->GetSnp()) * TMath::Sqrt(esdTrack->GetSigmaSnp2()); | |
404 | pullLambdaTPC = deltaLambdaTPC / sigma_lambda; | |
405 | pullPhiTPC = deltaPhiTPC / sigma_phi; | |
406 | ||
407 | //pullLambdaTPC = deltaLambdaTPC / TMath::Sqrt(esdTrack->GetSigmaTgl2()); | |
408 | //pullPhiTPC = deltaPhiTPC / TMath::Sqrt(esdTrack->GetSigmaSnp2()); | |
409 | if (mcpt) pull1PtTPC = (esdTrack->OneOverPt()-1./mcpt) / TMath::Sqrt(esdTrack->GetSigma1Pt2()); | |
410 | else pull1PtTPC = 0.; | |
411 | ||
412 | Double_t vResolHisto[10] = {deltaYTPC,deltaZTPC,deltaPhiTPC,deltaLambdaTPC,delta1PtTPC,particle->Vy(),particle->Vz(),mceta,mcphi,mcpt}; | |
413 | fResolHisto->Fill(vResolHisto); | |
414 | ||
415 | Double_t vPullHisto[10] = {pullYTPC,pullZTPC,pullPhiTPC,pullLambdaTPC,pull1PtTPC,particle->Vy(),particle->Vz(),mceta,mcphi,mcpt}; | |
416 | fPullHisto->Fill(vPullHisto); | |
417 | */ | |
418 | } | |
419 | } | |
420 | ||
421 | //_____________________________________________________________________________ | |
758320f7 | 422 | void AliPerformanceRes::ProcessConstrained(AliStack* const stack, AliESDtrack *const esdTrack, AliESDEvent* const esdEvent) |
7cc34f08 | 423 | { |
424 | // Fill resolution comparison information (constarained parameters) | |
425 | // | |
758320f7 | 426 | if(!esdEvent) return; |
7cc34f08 | 427 | if(!esdTrack) return; |
428 | ||
758320f7 | 429 | if( IsUseTrackVertex() ) |
430 | { | |
431 | // Relate TPC inner params to prim. vertex | |
432 | const AliESDVertex *vtxESD = esdEvent->GetPrimaryVertexTracks(); | |
433 | Double_t x[3]; esdTrack->GetXYZ(x); | |
434 | Double_t b[3]; AliTracker::GetBxByBz(x,b); | |
435 | Bool_t isOK = esdTrack->RelateToVertexBxByBz(vtxESD, b, kVeryBig); | |
436 | if(!isOK) return; | |
437 | ||
438 | /* | |
439 | // JMT -- recaluclate DCA for HLT if not present | |
440 | if ( dca[0] == 0. && dca[1] == 0. ) { | |
441 | track->GetDZ( vtxESD->GetX(), vtxESD->GetY(), vtxESD->GetZ(), esdEvent->GetMagneticField(), dca ); | |
442 | } | |
443 | */ | |
444 | } | |
445 | ||
446 | ||
7cc34f08 | 447 | const AliExternalTrackParam * track = esdTrack->GetConstrainedParam(); |
448 | if(!track) return; | |
449 | ||
450 | Float_t dca[2], cov[3]; // dca_xy, dca_z, sigma_xy, sigma_xy_z, sigma_z | |
451 | esdTrack->GetImpactParameters(dca,cov); | |
452 | ||
453 | // | |
454 | // Fill rec vs MC information | |
455 | // | |
456 | if(!stack) return; | |
457 | ||
458 | Int_t label = TMath::Abs(esdTrack->GetLabel()); | |
459 | TParticle* particle = stack->Particle(label); | |
460 | if(!particle) return; | |
ff7b6e14 | 461 | if(!particle->GetPDG()) return; |
7cc34f08 | 462 | if(particle->GetPDG()->Charge()==0) return; |
463 | //printf("charge %d \n",particle->GetPDG()->Charge()); | |
464 | ||
465 | // Only 5 charged particle species (e,mu,pi,K,p) | |
466 | if (fCutsMC->IsPdgParticle(TMath::Abs(particle->GetPdgCode())) == kFALSE) return; | |
467 | ||
468 | // exclude electrons | |
469 | if (fCutsMC->GetEM()==TMath::Abs(particle->GetPdgCode())) return; | |
470 | ||
471 | Float_t mceta = particle->Eta(); | |
472 | Float_t mcphi = particle->Phi(); | |
473 | if(mcphi<0) mcphi += 2.*TMath::Pi(); | |
474 | Float_t mcpt = particle->Pt(); | |
475 | Float_t mcsnp = TMath::Sin(TMath::ATan2(particle->Py(),particle->Px())); | |
476 | Float_t mctgl = TMath::Tan(TMath::ATan2(particle->Pz(),particle->Pt())); | |
477 | ||
478 | if ((esdTrack->GetStatus()&AliESDtrack::kTPCrefit)==0) return; // TPC refit | |
479 | if (esdTrack->GetTPCNcls()<fCutsRC->GetMinNClustersTPC()) return; // min. nb. TPC clusters | |
480 | ||
481 | Float_t deltaPtTPC, deltaYTPC, deltaZTPC, deltaPhiTPC, deltaLambdaTPC; | |
482 | Float_t pull1PtTPC, pullYTPC, pullZTPC, pullPhiTPC, pullLambdaTPC; | |
483 | ||
484 | // select primaries | |
485 | if(TMath::Abs(dca[0])<fCutsRC->GetMaxDCAToVertexXY() && TMath::Abs(dca[1])<fCutsRC->GetMaxDCAToVertexZ()) | |
486 | { | |
487 | ||
488 | if(mcpt == 0) return; | |
489 | ||
490 | deltaYTPC= track->GetY()-particle->Vy(); | |
491 | deltaZTPC = track->GetZ()-particle->Vz(); | |
492 | deltaLambdaTPC = TMath::ATan2(track->Pz(),track->Pt())-TMath::ATan2(particle->Pz(),particle->Pt()); | |
493 | deltaPhiTPC = TMath::ATan2(track->Py(),track->Px())-TMath::ATan2(particle->Py(),particle->Px()); | |
494 | //delta1PtTPC = (track->OneOverPt()-1./mcpt)*mcpt; | |
495 | deltaPtTPC = (track->Pt()-mcpt) / mcpt; | |
496 | ||
497 | pullYTPC= (track->GetY()-particle->Vy()) / TMath::Sqrt(track->GetSigmaY2()); | |
498 | pullZTPC = (track->GetZ()-particle->Vz()) / TMath::Sqrt(track->GetSigmaZ2()); | |
499 | ||
500 | //Double_t sigma_lambda = 1./(1.+track->GetTgl()*track->GetTgl()) * TMath::Sqrt(track->GetSigmaTgl2()); | |
501 | //Double_t sigma_phi = 1./TMath::Sqrt(1-track->GetSnp()*track->GetSnp()) * TMath::Sqrt(track->GetSigmaSnp2()); | |
502 | pullPhiTPC = (track->GetSnp() - mcsnp) / TMath::Sqrt(track->GetSigmaSnp2()); | |
503 | pullLambdaTPC = (track->GetTgl() - mctgl) / TMath::Sqrt(track->GetSigmaTgl2()); | |
504 | ||
505 | //pullLambdaTPC = deltaLambdaTPC / TMath::Sqrt(track->GetSigmaTgl2()); | |
506 | //pullPhiTPC = deltaPhiTPC / TMath::Sqrt(track->GetSigmaSnp2()); | |
507 | if (mcpt) pull1PtTPC = (track->OneOverPt()-1./mcpt) / TMath::Sqrt(track->GetSigma1Pt2()); | |
508 | else pull1PtTPC = 0.; | |
509 | ||
510 | Double_t vResolHisto[10] = {deltaYTPC,deltaZTPC,deltaPhiTPC,deltaLambdaTPC,deltaPtTPC,particle->Vy(),particle->Vz(),mcphi,mceta,mcpt}; | |
511 | fResolHisto->Fill(vResolHisto); | |
512 | ||
513 | Double_t vPullHisto[10] = {pullYTPC,pullZTPC,pullPhiTPC,pullLambdaTPC,pull1PtTPC,particle->Vy(),particle->Vz(),mcsnp,mctgl,1./mcpt}; | |
514 | fPullHisto->Fill(vPullHisto); | |
515 | ||
516 | /* | |
517 | ||
518 | deltaYTPC= track->GetY()-particle->Vy(); | |
519 | deltaZTPC = track->GetZ()-particle->Vz(); | |
520 | deltaLambdaTPC = TMath::ATan2(track->Pz(),track->Pt())-TMath::ATan2(particle->Pz(),particle->Pt()); | |
521 | deltaPhiTPC = TMath::ATan2(track->Py(),track->Px())-TMath::ATan2(particle->Py(),particle->Px()); | |
522 | delta1PtTPC = (track->OneOverPt()-1./mcpt)*mcpt; | |
523 | ||
524 | pullYTPC= (track->GetY()-particle->Vy()) / TMath::Sqrt(track->GetSigmaY2()); | |
525 | pullZTPC = (track->GetZ()-particle->Vz()) / TMath::Sqrt(track->GetSigmaZ2()); | |
526 | ||
527 | Double_t sigma_lambda = 1./(1.+track->GetTgl()*track->GetTgl()) * TMath::Sqrt(track->GetSigmaTgl2()); | |
528 | Double_t sigma_phi = 1./TMath::Sqrt(1-track->GetSnp()*track->GetSnp()) * TMath::Sqrt(track->GetSigmaSnp2()); | |
529 | pullLambdaTPC = deltaLambdaTPC / sigma_lambda; | |
530 | pullPhiTPC = deltaPhiTPC / sigma_phi; | |
531 | ||
532 | //pullLambdaTPC = deltaLambdaTPC / TMath::Sqrt(track->GetSigmaTgl2()); | |
533 | //pullPhiTPC = deltaPhiTPC / TMath::Sqrt(track->GetSigmaSnp2()); | |
534 | ||
535 | if (mcpt) pull1PtTPC = (track->OneOverPt()-1./mcpt) / TMath::Sqrt(track->GetSigma1Pt2()); | |
536 | else pull1PtTPC = 0.; | |
537 | ||
538 | Double_t vResolHisto[10] = {deltaYTPC,deltaZTPC,deltaPhiTPC,deltaLambdaTPC,delta1PtTPC,particle->Vy(),particle->Vz(),mceta,mcphi,mcpt}; | |
539 | fResolHisto->Fill(vResolHisto); | |
540 | ||
541 | Double_t vPullHisto[10] = {pullYTPC,pullZTPC,pullPhiTPC,pullLambdaTPC,pull1PtTPC,particle->Vy(),particle->Vz(),mceta,mcphi,mcpt}; | |
542 | fPullHisto->Fill(vPullHisto); | |
543 | ||
544 | */ | |
545 | } | |
546 | } | |
547 | ||
548 | //_____________________________________________________________________________ | |
758320f7 | 549 | void AliPerformanceRes::ProcessInnerTPC(AliMCEvent *const mcEvent, AliESDtrack *const esdTrack, AliESDEvent* const esdEvent) |
7cc34f08 | 550 | { |
551 | // | |
552 | // Fill resolution comparison information (inner params at TPC reference point) | |
553 | // | |
758320f7 | 554 | if(!esdEvent) return; |
7cc34f08 | 555 | if(!esdTrack) return; |
556 | ||
758320f7 | 557 | if( IsUseTrackVertex() ) |
558 | { | |
559 | // Relate TPC inner params to prim. vertex | |
560 | const AliESDVertex *vtxESD = esdEvent->GetPrimaryVertexTracks(); | |
561 | Double_t x[3]; esdTrack->GetXYZ(x); | |
562 | Double_t b[3]; AliTracker::GetBxByBz(x,b); | |
563 | Bool_t isOK = esdTrack->RelateToVertexTPCBxByBz(vtxESD, b, kVeryBig); | |
564 | if(!isOK) return; | |
565 | ||
566 | /* | |
567 | // JMT -- recaluclate DCA for HLT if not present | |
568 | if ( dca[0] == 0. && dca[1] == 0. ) { | |
569 | track->GetDZ( vtxESD->GetX(), vtxESD->GetY(), vtxESD->GetZ(), esdEvent->GetMagneticField(), dca ); | |
570 | } | |
571 | */ | |
572 | } | |
573 | ||
7cc34f08 | 574 | const AliExternalTrackParam * innerParam = esdTrack->GetInnerParam(); |
575 | if(!innerParam) return; | |
576 | ||
577 | // create new AliExternalTrackParam | |
578 | AliExternalTrackParam *track = new AliExternalTrackParam(*innerParam); | |
579 | if(!track) return; | |
580 | ||
581 | Float_t dca[2], cov[3]; // dca_xy, dca_z, sigma_xy, sigma_xy_z, sigma_z | |
582 | esdTrack->GetImpactParametersTPC(dca,cov); | |
583 | ||
584 | // | |
585 | // Fill rec vs MC information | |
586 | // | |
587 | if(!mcEvent) return; | |
588 | ||
589 | Int_t label = TMath::Abs(esdTrack->GetLabel()); | |
590 | AliMCParticle *mcParticle = (AliMCParticle*) mcEvent->GetTrack(label); | |
591 | if(!mcParticle) return; | |
592 | ||
593 | // get the first TPC track reference | |
594 | AliTrackReference *ref0 = GetFirstTPCTrackRef(mcParticle); | |
595 | if(!ref0) return; | |
596 | ||
597 | // Only 5 charged particle species (e,mu,pi,K,p) | |
598 | TParticle *particle = mcParticle->Particle(); | |
599 | if(!particle) return; | |
600 | ||
601 | if (fCutsMC->IsPdgParticle(TMath::Abs(particle->GetPdgCode())) == kFALSE) return; | |
602 | ||
603 | // exclude electrons | |
604 | if (fCutsMC->GetEM()==TMath::Abs(particle->GetPdgCode())) return; | |
605 | ||
606 | // calculate alpha angle | |
607 | Double_t xyz[3] = {ref0->X(),ref0->Y(),ref0->Z()}; | |
608 | Double_t alpha = TMath::ATan2(xyz[1],xyz[0]); | |
609 | //if (alpha<0) alpha += TMath::TwoPi(); | |
610 | ||
611 | // rotate inner track to local coordinate system | |
612 | // and propagate to the radius of the first track referenco of TPC | |
613 | Double_t trRadius = TMath::Sqrt(xyz[1] * xyz[1] + xyz[0] * xyz[0]); | |
614 | //Bool_t isOK = track->Propagate(alpha,trRadius,AliTracker::GetBz()); | |
615 | Double_t field[3]; track->GetBxByBz(field); | |
616 | Bool_t isOK = track->PropagateBxByBz(alpha,trRadius,field); | |
617 | if(!isOK) return; | |
618 | ||
619 | Float_t mceta = -TMath::Log(TMath::Tan(0.5 * ref0->Theta())); | |
620 | Float_t mcphi = ref0->Phi(); | |
621 | if(mcphi<0) mcphi += 2.*TMath::Pi(); | |
622 | Float_t mcpt = ref0->Pt(); | |
623 | Float_t mcsnp = TMath::Sin(TMath::ATan2(ref0->Py(),ref0->Px())); | |
624 | Float_t mctgl = TMath::Tan(TMath::ATan2(ref0->Pz(),ref0->Pt())); | |
625 | ||
626 | if ((esdTrack->GetStatus()&AliESDtrack::kTPCrefit)==0) return; // TPC refit | |
627 | if (esdTrack->GetTPCNcls()<fCutsRC->GetMinNClustersTPC()) return; // min. nb. TPC clusters | |
628 | ||
629 | Float_t deltaPtTPC, deltaYTPC, deltaZTPC, deltaPhiTPC, deltaLambdaTPC; | |
630 | Float_t pull1PtTPC, pullYTPC, pullZTPC, pullPhiTPC, pullLambdaTPC; | |
631 | ||
632 | // select primaries | |
633 | if(TMath::Abs(dca[0])<fCutsRC->GetMaxDCAToVertexXY() && TMath::Abs(dca[1])<fCutsRC->GetMaxDCAToVertexZ()) | |
634 | { | |
635 | if(mcpt == 0) return; | |
636 | ||
637 | deltaYTPC= track->GetY(); // already rotated | |
638 | deltaZTPC = track->GetZ()-ref0->Z(); | |
639 | deltaLambdaTPC = TMath::ATan2(track->Pz(),track->Pt())-TMath::ATan2(ref0->Pz(),ref0->Pt()); | |
640 | deltaPhiTPC = TMath::ATan2(track->Py(),track->Px())-TMath::ATan2(ref0->Py(),ref0->Px()); | |
641 | //delta1PtTPC = (track->OneOverPt()-1./mcpt)*mcpt; | |
642 | deltaPtTPC = (track->Pt()-mcpt) / mcpt; | |
643 | ||
644 | pullYTPC= track->GetY() / TMath::Sqrt(track->GetSigmaY2()); | |
645 | pullZTPC = (track->GetZ()-ref0->Z()) / TMath::Sqrt(track->GetSigmaZ2()); | |
646 | ||
647 | //Double_t sigma_lambda = 1./(1.+track->GetTgl()*track->GetTgl()) * TMath::Sqrt(track->GetSigmaTgl2()); | |
648 | //Double_t sigma_phi = 1./TMath::Sqrt(1-track->GetSnp()*track->GetSnp()) * TMath::Sqrt(track->GetSigmaSnp2()); | |
649 | pullPhiTPC = (track->GetSnp() - mcsnp) / TMath::Sqrt(track->GetSigmaSnp2()); | |
650 | pullLambdaTPC = (track->GetTgl() - mctgl) / TMath::Sqrt(track->GetSigmaTgl2()); | |
651 | ||
652 | //pullLambdaTPC = deltaLambdaTPC / TMath::Sqrt(track->GetSigmaTgl2()); | |
653 | //pullPhiTPC = deltaPhiTPC / TMath::Sqrt(track->GetSigmaSnp2()); | |
654 | if (mcpt) pull1PtTPC = (track->OneOverPt()-1./mcpt) / TMath::Sqrt(track->GetSigma1Pt2()); | |
655 | else pull1PtTPC = 0.; | |
656 | ||
657 | Double_t vResolHisto[10] = {deltaYTPC,deltaZTPC,deltaPhiTPC,deltaLambdaTPC,deltaPtTPC,ref0->Y(),ref0->Z(),mcphi,mceta,mcpt}; | |
658 | fResolHisto->Fill(vResolHisto); | |
659 | ||
660 | Double_t vPullHisto[10] = {pullYTPC,pullZTPC,pullPhiTPC,pullLambdaTPC,pull1PtTPC,ref0->Y(),ref0->Z(),mcsnp,mctgl,1./mcpt}; | |
661 | fPullHisto->Fill(vPullHisto); | |
662 | } | |
663 | ||
664 | if(track) delete track; | |
665 | } | |
666 | ||
667 | //_____________________________________________________________________________ | |
758320f7 | 668 | void AliPerformanceRes::ProcessOuterTPC(AliMCEvent *const mcEvent, AliESDtrack *const esdTrack, AliESDfriendTrack *const friendTrack, AliESDEvent* const esdEvent) |
7cc34f08 | 669 | { |
670 | // | |
671 | // Fill resolution comparison information (outer params at TPC reference point) | |
672 | // | |
673 | if(!friendTrack) return; | |
758320f7 | 674 | if(!esdEvent) return; |
675 | if(!esdTrack) return; | |
676 | ||
677 | if( IsUseTrackVertex() ) | |
678 | { | |
679 | // Relate TPC inner params to prim. vertex | |
680 | const AliESDVertex *vtxESD = esdEvent->GetPrimaryVertexTracks(); | |
681 | Double_t x[3]; esdTrack->GetXYZ(x); | |
682 | Double_t b[3]; AliTracker::GetBxByBz(x,b); | |
683 | Bool_t isOK = esdTrack->RelateToVertexTPCBxByBz(vtxESD, b, kVeryBig); | |
684 | if(!isOK) return; | |
685 | ||
686 | /* | |
687 | // JMT -- recaluclate DCA for HLT if not present | |
688 | if ( dca[0] == 0. && dca[1] == 0. ) { | |
689 | track->GetDZ( vtxESD->GetX(), vtxESD->GetY(), vtxESD->GetZ(), esdEvent->GetMagneticField(), dca ); | |
690 | } | |
691 | */ | |
692 | } | |
7cc34f08 | 693 | |
694 | const AliExternalTrackParam * outerParam = friendTrack->GetTPCOut(); | |
695 | if(!outerParam) return; | |
696 | ||
697 | // create new AliExternalTrackParam | |
698 | AliExternalTrackParam *track = new AliExternalTrackParam(*outerParam); | |
699 | if(!track) return; | |
700 | ||
701 | Float_t dca[2], cov[3]; // dca_xy, dca_z, sigma_xy, sigma_xy_z, sigma_z | |
702 | esdTrack->GetImpactParametersTPC(dca,cov); | |
703 | ||
704 | // | |
705 | // Fill rec vs MC information | |
706 | // | |
707 | if(!mcEvent) return; | |
708 | ||
709 | Int_t label = TMath::Abs(esdTrack->GetLabel()); | |
710 | AliMCParticle *mcParticle = (AliMCParticle*) mcEvent->GetTrack(label); | |
711 | if(!mcParticle) return; | |
712 | ||
713 | // get the last TPC track reference | |
714 | AliTrackReference *ref0 = GetLastTPCTrackRef(mcParticle); | |
715 | if(!ref0) return; | |
716 | ||
717 | // Only 5 charged particle species (e,mu,pi,K,p) | |
718 | TParticle *particle = mcParticle->Particle(); | |
719 | if(!particle) return; | |
720 | ||
721 | if (fCutsMC->IsPdgParticle(TMath::Abs(particle->GetPdgCode())) == kFALSE) return; | |
722 | ||
723 | // exclude electrons | |
724 | if (fCutsMC->GetEM()==TMath::Abs(particle->GetPdgCode())) return; | |
725 | ||
726 | // calculate alpha angle | |
727 | Double_t xyz[3] = {ref0->X(),ref0->Y(),ref0->Z()}; | |
728 | Double_t alpha = TMath::ATan2(xyz[1],xyz[0]); | |
729 | //if (alpha<0) alpha += TMath::TwoPi(); | |
730 | ||
731 | // rotate outer track to local coordinate system | |
732 | // and propagate to the radius of the last track reference of TPC | |
733 | Double_t trRadius = TMath::Sqrt(xyz[1] * xyz[1] + xyz[0] * xyz[0]); | |
734 | //Bool_t isOK = track->Propagate(alpha,trRadius,AliTracker::GetBz()); | |
735 | Double_t field[3]; track->GetBxByBz(field); | |
736 | Bool_t isOK = track->PropagateBxByBz(alpha,trRadius,field); | |
737 | if(!isOK) return; | |
738 | ||
739 | Float_t mceta = -TMath::Log(TMath::Tan(0.5 * ref0->Theta())); | |
740 | Float_t mcphi = ref0->Phi(); | |
741 | if(mcphi<0) mcphi += 2.*TMath::Pi(); | |
742 | Float_t mcpt = ref0->Pt(); | |
743 | Float_t mcsnp = TMath::Sin(TMath::ATan2(ref0->Py(),ref0->Px())); | |
744 | Float_t mctgl = TMath::Tan(TMath::ATan2(ref0->Pz(),ref0->Pt())); | |
745 | ||
746 | if ((esdTrack->GetStatus()&AliESDtrack::kTPCrefit)==0) return; // TPC refit | |
747 | if (esdTrack->GetTPCNcls()<fCutsRC->GetMinNClustersTPC()) return; // min. nb. TPC clusters | |
748 | ||
749 | Float_t deltaPtTPC, deltaYTPC, deltaZTPC, deltaPhiTPC, deltaLambdaTPC; | |
750 | Float_t pull1PtTPC, pullYTPC, pullZTPC, pullPhiTPC, pullLambdaTPC; | |
751 | ||
752 | // select primaries | |
753 | if(TMath::Abs(dca[0])<fCutsRC->GetMaxDCAToVertexXY() && TMath::Abs(dca[1])<fCutsRC->GetMaxDCAToVertexZ()) | |
754 | { | |
755 | if(mcpt == 0) return; | |
756 | ||
757 | deltaYTPC= track->GetY(); // already rotated | |
758 | deltaZTPC = track->GetZ()-ref0->Z(); | |
759 | deltaLambdaTPC = TMath::ATan2(track->Pz(),track->Pt())-TMath::ATan2(ref0->Pz(),ref0->Pt()); | |
760 | deltaPhiTPC = TMath::ATan2(track->Py(),track->Px())-TMath::ATan2(ref0->Py(),ref0->Px()); | |
761 | //delta1PtTPC = (track->OneOverPt()-1./mcpt)*mcpt; | |
762 | deltaPtTPC = (track->Pt()-mcpt) / mcpt; | |
763 | ||
764 | pullYTPC= track->GetY() / TMath::Sqrt(track->GetSigmaY2()); | |
765 | pullZTPC = (track->GetZ()-ref0->Z()) / TMath::Sqrt(track->GetSigmaZ2()); | |
766 | ||
767 | //Double_t sigma_lambda = 1./(1.+track->GetTgl()*track->GetTgl()) * TMath::Sqrt(track->GetSigmaTgl2()); | |
768 | //Double_t sigma_phi = 1./TMath::Sqrt(1-track->GetSnp()*track->GetSnp()) * TMath::Sqrt(track->GetSigmaSnp2()); | |
769 | pullPhiTPC = (track->GetSnp() - mcsnp) / TMath::Sqrt(track->GetSigmaSnp2()); | |
770 | pullLambdaTPC = (track->GetTgl() - mctgl) / TMath::Sqrt(track->GetSigmaTgl2()); | |
771 | ||
772 | //pullLambdaTPC = deltaLambdaTPC / TMath::Sqrt(track->GetSigmaTgl2()); | |
773 | //pullPhiTPC = deltaPhiTPC / TMath::Sqrt(track->GetSigmaSnp2()); | |
774 | if (mcpt) pull1PtTPC = (track->OneOverPt()-1./mcpt) / TMath::Sqrt(track->GetSigma1Pt2()); | |
775 | else pull1PtTPC = 0.; | |
776 | ||
777 | Double_t vResolHisto[10] = {deltaYTPC,deltaZTPC,deltaPhiTPC,deltaLambdaTPC,deltaPtTPC,ref0->Y(),ref0->Z(),mcphi,mceta,mcpt}; | |
778 | fResolHisto->Fill(vResolHisto); | |
779 | ||
780 | Double_t vPullHisto[10] = {pullYTPC,pullZTPC,pullPhiTPC,pullLambdaTPC,pull1PtTPC,ref0->Y(),ref0->Z(),mcsnp,mctgl,1./mcpt}; | |
781 | fPullHisto->Fill(vPullHisto); | |
782 | } | |
783 | ||
784 | if(track) delete track; | |
785 | } | |
786 | ||
787 | //_____________________________________________________________________________ | |
788 | AliTrackReference * AliPerformanceRes::GetFirstTPCTrackRef(AliMCParticle *mcParticle) | |
789 | { | |
790 | // return first TPC track reference | |
791 | if(!mcParticle) return 0; | |
792 | ||
793 | // find first track reference | |
794 | // check direction to select proper reference point for looping tracks | |
795 | Int_t nTrackRef = mcParticle->GetNumberOfTrackReferences(); | |
796 | AliTrackReference *ref = 0; | |
797 | AliTrackReference *refIn = 0; | |
798 | for (Int_t iref = 0; iref < nTrackRef; iref++) { | |
799 | ref = mcParticle->GetTrackReference(iref); | |
800 | if(ref && (ref->DetectorId()==AliTrackReference::kTPC)) | |
801 | { | |
802 | Float_t dir = ref->X()*ref->Px()+ref->Y()*ref->Py(); | |
803 | if(dir < 0.) break; | |
804 | ||
805 | refIn = ref; | |
806 | break; | |
807 | } | |
808 | } | |
809 | ||
810 | return refIn; | |
811 | } | |
812 | ||
813 | //_____________________________________________________________________________ | |
814 | AliTrackReference * AliPerformanceRes::GetLastTPCTrackRef(AliMCParticle *mcParticle) | |
815 | { | |
816 | // return last TPC track reference | |
817 | if(!mcParticle) return 0; | |
818 | ||
819 | // find last track reference | |
820 | // check direction to select proper reference point for looping tracks | |
821 | Int_t nTrackRef = mcParticle->GetNumberOfTrackReferences(); | |
822 | AliTrackReference *ref = 0; | |
823 | AliTrackReference *refOut = 0; | |
824 | for (Int_t iref = 0; iref < nTrackRef; iref++) { | |
825 | ref = mcParticle->GetTrackReference(iref); | |
826 | if(ref && (ref->DetectorId()==AliTrackReference::kTPC)) { | |
827 | Float_t dir=ref->X()*ref->Px()+ref->Y()*ref->Py(); | |
828 | if(dir< 0.0) break; | |
829 | refOut = ref; | |
830 | } | |
831 | } | |
832 | ||
833 | return refOut; | |
834 | } | |
835 | ||
836 | //_____________________________________________________________________________ | |
837 | void AliPerformanceRes::Exec(AliMCEvent* const mcEvent, AliESDEvent *const esdEvent, AliESDfriend *const esdFriend, const Bool_t bUseMC, const Bool_t bUseESDfriend) | |
838 | { | |
839 | // Process comparison information | |
840 | // | |
841 | if(!esdEvent) | |
842 | { | |
843 | Error("Exec","esdEvent not available"); | |
844 | return; | |
845 | } | |
846 | AliHeader* header = 0; | |
847 | AliGenEventHeader* genHeader = 0; | |
848 | AliStack* stack = 0; | |
849 | TArrayF vtxMC(3); | |
850 | ||
851 | if(bUseMC) | |
852 | { | |
853 | if(!mcEvent) { | |
854 | Error("Exec","mcEvent not available"); | |
855 | return; | |
856 | } | |
857 | // get MC event header | |
858 | header = mcEvent->Header(); | |
859 | if (!header) { | |
860 | Error("Exec","Header not available"); | |
861 | return; | |
862 | } | |
863 | // MC particle stack | |
864 | stack = mcEvent->Stack(); | |
865 | if (!stack) { | |
866 | Error("Exec","Stack not available"); | |
867 | return; | |
868 | } | |
869 | // get MC vertex | |
870 | genHeader = header->GenEventHeader(); | |
871 | if (!genHeader) { | |
872 | Error("Exec","Could not retrieve genHeader from Header"); | |
873 | return; | |
874 | } | |
875 | genHeader->PrimaryVertex(vtxMC); | |
876 | } | |
877 | else { | |
878 | Error("Exec","MC information required!"); | |
879 | return; | |
880 | } | |
881 | ||
882 | // use ESD friends | |
883 | if(bUseESDfriend) { | |
884 | if(!esdFriend) { | |
885 | Error("Exec","esdFriend not available"); | |
886 | return; | |
887 | } | |
888 | } | |
889 | ||
758320f7 | 890 | // get event vertex |
891 | const AliESDVertex *vtxESD = NULL; | |
892 | if( IsUseTrackVertex() ) | |
893 | { | |
894 | // track vertex | |
895 | vtxESD = esdEvent->GetPrimaryVertexTracks(); | |
896 | } | |
897 | else { | |
898 | // TPC track vertex | |
899 | vtxESD = esdEvent->GetPrimaryVertexTPC(); | |
900 | } | |
901 | if(vtxESD && (vtxESD->GetStatus()<=0)) return; | |
902 | ||
903 | ||
904 | ||
7cc34f08 | 905 | // Process events |
906 | for (Int_t iTrack = 0; iTrack < esdEvent->GetNumberOfTracks(); iTrack++) | |
907 | { | |
908 | AliESDtrack *track = esdEvent->GetTrack(iTrack); | |
909 | if(!track) continue; | |
910 | ||
911 | AliESDfriendTrack *friendTrack=0; | |
583e3b45 | 912 | |
7cc34f08 | 913 | |
758320f7 | 914 | Int_t label = TMath::Abs(track->GetLabel()); |
915 | if ( label > stack->GetNtrack() ) | |
916 | { | |
917 | ULong_t status = track->GetStatus(); | |
918 | printf ("Error : ESD MCLabel %d - StackSize %d - Status %lu \n", | |
919 | track->GetLabel(), stack->GetNtrack(), status ); | |
920 | printf(" NCluster %d \n", track->GetTPCclusters(0) ); | |
921 | /* | |
922 | if ((status&AliESDtrack::kTPCrefit)== 0 ) printf(" kTPCrefit \n"); | |
923 | if ((status&AliESDtrack::kTPCin)== 0 ) printf(" kTPCin \n"); | |
924 | if ((status&AliESDtrack::kTPCout)== 0 ) printf(" kTPCout \n"); | |
925 | if ((status&AliESDtrack::kTRDrefit)== 0 ) printf(" kTRDrefit \n"); | |
926 | if ((status&AliESDtrack::kTRDin)== 0 ) printf(" kTRDin \n"); | |
927 | if ((status&AliESDtrack::kTRDout)== 0 ) printf(" kTRDout \n"); | |
928 | if ((status&AliESDtrack::kITSrefit)== 0 ) printf(" kITSrefit \n"); | |
929 | if ((status&AliESDtrack::kITSin)== 0 ) printf(" kITSin \n"); | |
930 | if ((status&AliESDtrack::kITSout)== 0 ) printf(" kITSout \n"); | |
931 | */ | |
932 | ||
933 | continue; | |
934 | } | |
935 | ||
936 | if(GetAnalysisMode() == 0) ProcessTPC(stack,track,esdEvent); | |
937 | else if(GetAnalysisMode() == 1) ProcessTPCITS(stack,track,esdEvent); | |
938 | else if(GetAnalysisMode() == 2) ProcessConstrained(stack,track,esdEvent); | |
939 | else if(GetAnalysisMode() == 3) ProcessInnerTPC(mcEvent,track,esdEvent); | |
583e3b45 | 940 | else if(GetAnalysisMode() == 4) { |
941 | ||
942 | if(bUseESDfriend) { | |
943 | friendTrack=esdFriend->GetTrack(iTrack); | |
944 | if(!friendTrack) continue; | |
945 | } | |
946 | ||
947 | ProcessOuterTPC(mcEvent,track,friendTrack,esdEvent); | |
948 | } | |
7cc34f08 | 949 | else { |
950 | printf("ERROR: AnalysisMode %d \n",fAnalysisMode); | |
951 | return; | |
952 | } | |
953 | } | |
954 | } | |
955 | ||
956 | //_____________________________________________________________________________ | |
957 | TH1F* AliPerformanceRes::MakeResol(TH2F * his, Int_t integ, Bool_t type, Int_t cut){ | |
958 | // Create resolution histograms | |
959 | ||
960 | TH1F *hisr, *hism; | |
961 | if (!gPad) new TCanvas; | |
962 | hisr = AliTreeDraw::CreateResHistoII(his,&hism,integ,kTRUE,cut); | |
963 | if (type) return hism; | |
964 | else | |
965 | return hisr; | |
966 | } | |
967 | ||
968 | //_____________________________________________________________________________ | |
969 | void AliPerformanceRes::Analyse() { | |
970 | // Analyse comparison information and store output histograms | |
971 | // in the folder "folderRes" | |
972 | // | |
973 | TH1::AddDirectory(kFALSE); | |
974 | TH1F *h=0; | |
975 | TH2F *h2D=0; | |
976 | TObjArray *aFolderObj = new TObjArray; | |
18e588e9 | 977 | if(!aFolderObj) return; |
7cc34f08 | 978 | |
979 | // write results in the folder | |
980 | TCanvas * c = new TCanvas("Phi resol Tan","Phi resol Tan"); | |
981 | c->cd(); | |
982 | ||
983 | char name[256]; | |
984 | char title[256]; | |
985 | ||
986 | for(Int_t i=0; i<5; i++) | |
987 | { | |
988 | for(Int_t j=5; j<10; j++) | |
989 | { | |
990 | //if(j!=8) fResolHisto->GetAxis(8)->SetRangeUser(-0.9,0.89); // eta window | |
991 | if(j!=8) fResolHisto->GetAxis(8)->SetRangeUser(0.0,0.89); // eta window | |
992 | else fResolHisto->GetAxis(8)->SetRangeUser(-1.5,1.49); | |
993 | fResolHisto->GetAxis(9)->SetRangeUser(0.16,100.); // pt threshold | |
994 | if(GetAnalysisMode() == 3) fResolHisto->GetAxis(5)->SetRangeUser(-80.,80.); // y range | |
995 | ||
996 | h2D = (TH2F*)fResolHisto->Projection(i,j); | |
997 | ||
998 | h = AliPerformanceRes::MakeResol(h2D,1,0,100); | |
18e588e9 | 999 | snprintf(name,256,"h_res_%d_vs_%d",i,j); |
7cc34f08 | 1000 | h->SetName(name); |
1001 | ||
1002 | h->GetXaxis()->SetTitle(fResolHisto->GetAxis(j)->GetTitle()); | |
18e588e9 | 1003 | snprintf(title,256,"%s %s",fResolHisto->GetAxis(i)->GetTitle(),"(resolution)"); |
7cc34f08 | 1004 | h->GetYaxis()->SetTitle(title); |
18e588e9 | 1005 | snprintf(title,256,"%s vs %s",title,fResolHisto->GetAxis(j)->GetTitle()); |
7cc34f08 | 1006 | h->SetTitle(title); |
1007 | ||
1008 | if(j==9) h->SetBit(TH1::kLogX); | |
1009 | aFolderObj->Add(h); | |
1010 | ||
1011 | h = AliPerformanceRes::MakeResol(h2D,1,1,100); | |
1012 | //h = (TH1F*)arr->At(1); | |
18e588e9 | 1013 | snprintf(name,256,"h_mean_res_%d_vs_%d",i,j); |
7cc34f08 | 1014 | h->SetName(name); |
1015 | ||
1016 | h->GetXaxis()->SetTitle(fResolHisto->GetAxis(j)->GetTitle()); | |
18e588e9 | 1017 | snprintf(title,256,"%s %s",fResolHisto->GetAxis(i)->GetTitle(),"(mean)"); |
7cc34f08 | 1018 | h->GetYaxis()->SetTitle(title); |
1019 | ||
18e588e9 | 1020 | snprintf(title,256,"%s vs %s",title,fResolHisto->GetAxis(j)->GetTitle()); |
7cc34f08 | 1021 | h->SetTitle(title); |
1022 | ||
1023 | if(j==9) h->SetBit(TH1::kLogX); | |
1024 | aFolderObj->Add(h); | |
1025 | ||
1026 | fResolHisto->GetAxis(8)->SetRangeUser(-1.5,1.5); | |
1027 | fResolHisto->GetAxis(9)->SetRangeUser(0.0,10.); | |
1028 | ||
1029 | // | |
1030 | //if(j!=8) fPullHisto->GetAxis(8)->SetRangeUser(-0.9,0.89); // eta window | |
1031 | if(j!=8) fPullHisto->GetAxis(8)->SetRangeUser(0.0,0.89); // eta window | |
1032 | else fPullHisto->GetAxis(8)->SetRangeUser(-1.5,1.49); // eta window | |
1033 | fPullHisto->GetAxis(9)->SetRangeUser(0.16,100.); // pt threshold | |
1034 | if(GetAnalysisMode() == 3) fPullHisto->GetAxis(5)->SetRangeUser(-80.,80.); // y range | |
1035 | ||
1036 | h2D = (TH2F*)fPullHisto->Projection(i,j); | |
1037 | ||
1038 | h = AliPerformanceRes::MakeResol(h2D,1,0,100); | |
18e588e9 | 1039 | snprintf(name,256,"h_pull_%d_vs_%d",i,j); |
7cc34f08 | 1040 | h->SetName(name); |
1041 | ||
1042 | h->GetXaxis()->SetTitle(fPullHisto->GetAxis(j)->GetTitle()); | |
18e588e9 | 1043 | snprintf(title,256,"%s %s",fPullHisto->GetAxis(i)->GetTitle(),"(resolution)"); |
7cc34f08 | 1044 | h->GetYaxis()->SetTitle(title); |
18e588e9 | 1045 | snprintf(title,256,"%s vs %s",title,fPullHisto->GetAxis(j)->GetTitle()); |
7cc34f08 | 1046 | h->SetTitle(title); |
1047 | ||
1048 | //if(j==9) h->SetBit(TH1::kLogX); | |
1049 | aFolderObj->Add(h); | |
1050 | ||
1051 | h = AliPerformanceRes::MakeResol(h2D,1,1,100); | |
18e588e9 | 1052 | snprintf(name,256,"h_mean_pull_%d_vs_%d",i,j); |
7cc34f08 | 1053 | h->SetName(name); |
1054 | ||
1055 | h->GetXaxis()->SetTitle(fPullHisto->GetAxis(j)->GetTitle()); | |
18e588e9 | 1056 | snprintf(title,256,"%s %s",fPullHisto->GetAxis(i)->GetTitle(),"(mean)"); |
7cc34f08 | 1057 | h->GetYaxis()->SetTitle(title); |
18e588e9 | 1058 | snprintf(title,256,"%s vs %s",title,fPullHisto->GetAxis(j)->GetTitle()); |
7cc34f08 | 1059 | h->SetTitle(title); |
1060 | ||
1061 | //if(j==9) h->SetBit(TH1::kLogX); | |
1062 | aFolderObj->Add(h); | |
1063 | } | |
1064 | } | |
1065 | ||
1066 | // export objects to analysis folder | |
1067 | fAnalysisFolder = ExportToFolder(aFolderObj); | |
1068 | ||
1069 | // delete only TObjArray | |
1070 | if(aFolderObj) delete aFolderObj; | |
1071 | } | |
1072 | ||
1073 | //_____________________________________________________________________________ | |
1074 | TFolder* AliPerformanceRes::ExportToFolder(TObjArray * array) | |
1075 | { | |
1076 | // recreate folder avery time and export objects to new one | |
1077 | // | |
1078 | AliPerformanceRes * comp=this; | |
1079 | TFolder *folder = comp->GetAnalysisFolder(); | |
1080 | ||
1081 | TString name, title; | |
1082 | TFolder *newFolder = 0; | |
1083 | Int_t i = 0; | |
1084 | Int_t size = array->GetSize(); | |
1085 | ||
1086 | if(folder) { | |
1087 | // get name and title from old folder | |
1088 | name = folder->GetName(); | |
1089 | title = folder->GetTitle(); | |
1090 | ||
1091 | // delete old one | |
1092 | delete folder; | |
1093 | ||
1094 | // create new one | |
1095 | newFolder = CreateFolder(name.Data(),title.Data()); | |
1096 | newFolder->SetOwner(); | |
1097 | ||
1098 | // add objects to folder | |
1099 | while(i < size) { | |
1100 | newFolder->Add(array->At(i)); | |
1101 | i++; | |
1102 | } | |
1103 | } | |
1104 | ||
1105 | return newFolder; | |
1106 | } | |
1107 | ||
1108 | //_____________________________________________________________________________ | |
1109 | Long64_t AliPerformanceRes::Merge(TCollection* const list) | |
1110 | { | |
1111 | // Merge list of objects (needed by PROOF) | |
1112 | ||
1113 | if (!list) | |
1114 | return 0; | |
1115 | ||
1116 | if (list->IsEmpty()) | |
1117 | return 1; | |
1118 | ||
1119 | TIterator* iter = list->MakeIterator(); | |
1120 | TObject* obj = 0; | |
1121 | ||
1122 | // collection of generated histograms | |
1123 | Int_t count=0; | |
1124 | while((obj = iter->Next()) != 0) | |
1125 | { | |
1126 | AliPerformanceRes* entry = dynamic_cast<AliPerformanceRes*>(obj); | |
1127 | if (entry == 0) continue; | |
1128 | ||
1129 | fResolHisto->Add(entry->fResolHisto); | |
1130 | fPullHisto->Add(entry->fPullHisto); | |
1131 | ||
1132 | count++; | |
1133 | } | |
1134 | ||
1135 | return count; | |
1136 | } | |
1137 | ||
1138 | //_____________________________________________________________________________ | |
1139 | TFolder* AliPerformanceRes::CreateFolder(TString name,TString title) { | |
1140 | // create folder for analysed histograms | |
1141 | // | |
1142 | TFolder *folder = 0; | |
1143 | folder = new TFolder(name.Data(),title.Data()); | |
1144 | ||
1145 | return folder; | |
1146 | } |