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f7f33dec | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
54b76c13 | 16 | /* |
108953e9 | 17 | Comments to be written here: |
54b76c13 | 18 | 1. What do we calibrate. |
19 | 2. How to interpret results | |
20 | 3. Simple example | |
21 | 4. Analysis using debug streamers. | |
22 | ||
23 | ||
24 | ||
25 | 3.Simple example | |
26 | // To make cosmic scan the user interaction neccessary | |
27 | // | |
28 | .x ~/UliStyle.C | |
29 | gSystem->Load("libANALYSIS"); | |
30 | gSystem->Load("libTPCcalib"); | |
31 | TFile fcalib("CalibObjects.root"); | |
32 | TObjArray * array = (TObjArray*)fcalib.Get("TPCCalib"); | |
33 | AliTPCcalibCosmic * cosmic = ( AliTPCcalibCosmic *)array->FindObject("cosmicTPC"); | |
34 | ||
35 | ||
3e55050f | 36 | // |
37 | // | |
38 | gSystem->AddIncludePath("-I$ALICE_ROOT/TPC/macros"); | |
39 | gROOT->LoadMacro("$ALICE_ROOT/TPC/macros/AliXRDPROOFtoolkit.cxx+") | |
40 | AliXRDPROOFtoolkit tool; | |
a390f11f | 41 | TChain * chainCosmic = tool.MakeChainRandom("cosmic.txt","Track0",0,10000); |
42 | TChain * chainBudget = tool.MakeChainRandom("cosmic.txt","material",0,1000); | |
43 | TCut cutptV="abs(1/pt0V-1/pt1V)<0.1"; | |
44 | TCut cutptI="abs(1/pt0In-1/pt1In)<0.5"; | |
45 | TCut cutncl="nclmin>120"; | |
46 | TCut cutDz="abs(p0.fP[1])<50"; | |
47 | TCut cutDr="abs(p0.fP[0])<50"; | |
48 | // | |
49 | chainBudget->Draw(">>listB",cutptV+cutptI+cutncl+cutDr+cutDz,"entryList"); | |
50 | TEntryList *elistB = (TEntryList*)gDirectory->Get("listB"); | |
51 | chainBudget->SetEntryList(elistB); | |
52 | ||
53 | chainBudget->SetAlias("dptrel","(pt0V-pt1V)/((pt0V+pt1V)*0.5)"); | |
54 | chainBudget->SetAlias("dptInrel","(pt0In-pt1In)/((pt0In+pt1In)*0.5)"); | |
55 | chainBudget->SetAlias("ptcorr","(pt0In-pt0V)/(pt0V)+(pt1V-pt1In)/(pt1In)"); | |
54b76c13 | 56 | */ |
57 | ||
58 | ||
59 | ||
f7f33dec | 60 | #include "Riostream.h" |
61 | #include "TChain.h" | |
62 | #include "TTree.h" | |
63 | #include "TH1F.h" | |
64 | #include "TH2F.h" | |
65 | #include "TList.h" | |
66 | #include "TMath.h" | |
67 | #include "TCanvas.h" | |
68 | #include "TFile.h" | |
54b76c13 | 69 | #include "TF1.h" |
91fd44c9 | 70 | #include "THnSparse.h" |
f7f33dec | 71 | |
54b76c13 | 72 | #include "AliTPCclusterMI.h" |
f7f33dec | 73 | #include "AliTPCseed.h" |
74 | #include "AliESDVertex.h" | |
75 | #include "AliESDEvent.h" | |
76 | #include "AliESDfriend.h" | |
77 | #include "AliESDInputHandler.h" | |
54b76c13 | 78 | #include "AliAnalysisManager.h" |
f7f33dec | 79 | |
80 | #include "AliTracker.h" | |
f7a1cc68 | 81 | #include "AliMagF.h" |
54b76c13 | 82 | #include "AliTPCCalROC.h" |
f7f33dec | 83 | |
84 | #include "AliLog.h" | |
85 | ||
86 | #include "AliTPCcalibCosmic.h" | |
f7f33dec | 87 | #include "TTreeStream.h" |
88 | #include "AliTPCTracklet.h" | |
15e48021 | 89 | #include "AliESDcosmic.h" |
90 | ||
f7f33dec | 91 | |
92 | ClassImp(AliTPCcalibCosmic) | |
93 | ||
94 | ||
95 | AliTPCcalibCosmic::AliTPCcalibCosmic() | |
96 | :AliTPCcalibBase(), | |
9b27d39b | 97 | fHistNTracks(0), |
98 | fClusters(0), | |
99 | fModules(0), | |
100 | fHistPt(0), | |
9b27d39b | 101 | fDeDx(0), |
54b76c13 | 102 | fDeDxMIP(0), |
103 | fMIPvalue(1), | |
9b27d39b | 104 | fCutMaxD(5), // maximal distance in rfi ditection |
a6dc0cf6 | 105 | fCutMaxDz(40), // maximal distance in z ditection |
9b27d39b | 106 | fCutTheta(0.03), // maximal distan theta |
107 | fCutMinDir(-0.99) // direction vector products | |
f7f33dec | 108 | { |
54b76c13 | 109 | AliInfo("Default Constructor"); |
91fd44c9 | 110 | for (Int_t ihis=0; ihis<6;ihis++){ |
111 | fHistoDelta[ihis]=0; | |
112 | fHistoPull[ihis]=0; | |
8a92e133 | 113 | } |
114 | for (Int_t ihis=0; ihis<4;ihis++){ | |
115 | fHistodEdxMax[ihis] =0; | |
116 | fHistodEdxTot[ihis] =0; | |
91fd44c9 | 117 | } |
f7f33dec | 118 | } |
119 | ||
120 | ||
121 | AliTPCcalibCosmic::AliTPCcalibCosmic(const Text_t *name, const Text_t *title) | |
122 | :AliTPCcalibBase(), | |
9b27d39b | 123 | fHistNTracks(0), |
124 | fClusters(0), | |
125 | fModules(0), | |
126 | fHistPt(0), | |
9b27d39b | 127 | fDeDx(0), |
54b76c13 | 128 | fDeDxMIP(0), |
129 | fMIPvalue(1), | |
a6dc0cf6 | 130 | fCutMaxD(5), // maximal distance in rfi ditection |
131 | fCutMaxDz(40), // maximal distance in z ditection | |
9b27d39b | 132 | fCutTheta(0.03), // maximal distan theta |
133 | fCutMinDir(-0.99) // direction vector products | |
f7f33dec | 134 | { |
135 | SetName(name); | |
136 | SetTitle(title); | |
54b76c13 | 137 | |
138 | fHistNTracks = new TH1F("ntracks","Number of Tracks per Event; number of tracks per event; number of tracks",501,-0.5,500.5); | |
139 | fClusters = new TH1F("signal","Number of Clusters per track; number of clusters per track n_{cl}; counts",160,0,160); | |
140 | fModules = new TH2F("sector","Acorde hits; z (cm); x(cm)",1200,-650,650,600,-700,700); | |
141 | fHistPt = new TH1F("Pt","Pt distribution; p_{T} (GeV); counts",2000,0,50); | |
142 | fDeDx = new TH2F("DeDx","dEdx; momentum p (GeV); TPC signal (a.u.)",500,0.01,100.,500,2.,1000); | |
f7f33dec | 143 | BinLogX(fDeDx); |
54b76c13 | 144 | fDeDxMIP = new TH1F("DeDxMIP","MIP region; TPC signal (a.u.);counts ",500,2.,1000); |
91fd44c9 | 145 | Init(); |
9b27d39b | 146 | AliInfo("Non Default Constructor"); |
bca20570 | 147 | // |
f7f33dec | 148 | } |
149 | ||
150 | AliTPCcalibCosmic::~AliTPCcalibCosmic(){ | |
151 | // | |
152 | // | |
153 | // | |
91fd44c9 | 154 | for (Int_t ihis=0; ihis<6;ihis++){ |
155 | delete fHistoDelta[ihis]; | |
156 | delete fHistoPull[ihis]; | |
91fd44c9 | 157 | } |
8a92e133 | 158 | for (Int_t ihis=0; ihis<4;ihis++){ |
159 | delete fHistodEdxTot[ihis]; | |
160 | delete fHistodEdxMax[ihis]; | |
161 | } | |
162 | ||
163 | delete fHistNTracks; // histogram showing number of ESD tracks per event | |
164 | delete fClusters; // histogram showing the number of clusters per track | |
165 | delete fModules; // 2d histogram of tracks which are propagated to the ACORDE scintillator array | |
166 | delete fHistPt; // Pt histogram of reconstructed tracks | |
167 | delete fDeDx; // dEdx spectrum showing the different particle types | |
168 | delete fDeDxMIP; // TPC signal close to the MIP region of muons 0.4 < p < 0.45 GeV | |
f7f33dec | 169 | } |
170 | ||
171 | ||
91fd44c9 | 172 | void AliTPCcalibCosmic::Init(){ |
173 | // | |
174 | // init component | |
175 | // Make performance histograms | |
176 | // | |
177 | ||
178 | // tracking performance bins | |
179 | // 0 - delta of interest | |
180 | // 1 - min (track0, track1) number of clusters | |
181 | // 2 - R - vertex radius | |
182 | // 3 - P1 - mean z | |
183 | // 4 - P2 - snp(phi) at inner wall of TPC | |
184 | // 5 - P3 - tan(theta) at inner wall of TPC | |
185 | // 6 - P4 - 1/pt mean | |
186 | // 7 - pt - pt mean | |
187 | // 8 - alpha | |
188 | ||
189 | Double_t xminTrack[9], xmaxTrack[9]; | |
190 | Int_t binsTrack[9]; | |
191 | TString axisName[9]; | |
192 | // | |
193 | binsTrack[0] =100; | |
194 | axisName[0] ="#Delta"; | |
195 | // | |
196 | binsTrack[1] =8; | |
197 | xminTrack[1] =80; xmaxTrack[1]=160; | |
198 | axisName[1] ="N_{cl}"; | |
199 | // | |
200 | binsTrack[2] =10; | |
201 | xminTrack[2] =0; xmaxTrack[2]=90; // | |
202 | axisName[2] ="dca_{r} (cm)"; | |
203 | // | |
204 | binsTrack[3] =25; | |
205 | xminTrack[3] =-250; xmaxTrack[3]=250; // | |
206 | axisName[3] ="z (cm)"; | |
207 | // | |
208 | binsTrack[4] =10; | |
209 | xminTrack[4] =-0.8; xmaxTrack[4]=0.8; // | |
210 | axisName[4] ="sin(#phi)"; | |
211 | // | |
212 | binsTrack[5] =10; | |
213 | xminTrack[5] =-1; xmaxTrack[5]=1; // | |
8a92e133 | 214 | axisName[5] ="tan(#theta)"; |
91fd44c9 | 215 | // |
a390f11f | 216 | binsTrack[6] =40; |
217 | xminTrack[6] =-2; xmaxTrack[6]=2; // | |
91fd44c9 | 218 | axisName[6] ="1/pt (1/GeV)"; |
219 | // | |
8a92e133 | 220 | binsTrack[7] =40; |
91fd44c9 | 221 | xminTrack[7] =0.2; xmaxTrack[7]=50; // |
8a92e133 | 222 | axisName[7] ="pt (GeV)"; |
91fd44c9 | 223 | // |
a390f11f | 224 | binsTrack[8] =18; |
91fd44c9 | 225 | xminTrack[8] =0; xmaxTrack[8]=TMath::Pi(); // |
226 | axisName[8] ="alpha"; | |
227 | // | |
228 | // delta y | |
229 | xminTrack[0] =-1; xmaxTrack[0]=1; // | |
230 | fHistoDelta[0] = new THnSparseS("#Delta_{Y} (cm)","#Delta_{Y} (cm)", 9, binsTrack,xminTrack, xmaxTrack); | |
231 | xminTrack[0] =-5; xmaxTrack[0]=5; // | |
232 | fHistoPull[0] = new THnSparseS("#Delta_{Y} (unit)","#Delta_{Y} (unit)", 9, binsTrack,xminTrack, xmaxTrack); | |
233 | // | |
234 | // delta z | |
235 | xminTrack[0] =-1; xmaxTrack[0]=1; // | |
236 | fHistoDelta[1] = new THnSparseS("#Delta_{Z} (cm)","#Delta_{Z} (cm)", 9, binsTrack,xminTrack, xmaxTrack); | |
237 | xminTrack[0] =-5; xmaxTrack[0]=5; // | |
238 | fHistoPull[1] = new THnSparseS("#Delta_{Z} (unit)","#Delta_{Z} (unit)", 9, binsTrack,xminTrack, xmaxTrack); | |
239 | // | |
240 | // delta P2 | |
241 | xminTrack[0] =-10; xmaxTrack[0]=10; // | |
242 | fHistoDelta[2] = new THnSparseS("#Delta_{#phi} (mrad)","#Delta_{#phi} (mrad)", 9, binsTrack,xminTrack, xmaxTrack); | |
243 | xminTrack[0] =-5; xmaxTrack[0]=5; // | |
244 | fHistoPull[2] = new THnSparseS("#Delta_{#phi} (unit)","#Delta_{#phi} (unit)", 9, binsTrack,xminTrack, xmaxTrack); | |
245 | // | |
246 | // delta P3 | |
247 | xminTrack[0] =-10; xmaxTrack[0]=10; // | |
248 | fHistoDelta[3] = new THnSparseS("#Delta_{#theta} (mrad)","#Delta_{#theta} (mrad)", 9, binsTrack,xminTrack, xmaxTrack); | |
249 | xminTrack[0] =-5; xmaxTrack[0]=5; // | |
250 | fHistoPull[3] = new THnSparseS("#Delta_{#theta} (unit)","#Delta_{#theta} (unit)", 9, binsTrack,xminTrack, xmaxTrack); | |
251 | // | |
252 | // delta P4 | |
253 | xminTrack[0] =-0.2; xmaxTrack[0]=0.2; // | |
254 | fHistoDelta[4] = new THnSparseS("#Delta_{1/pt} (1/GeV)","#Delta_{1/pt} (1/GeV)", 9, binsTrack,xminTrack, xmaxTrack); | |
255 | xminTrack[0] =-5; xmaxTrack[0]=5; // | |
256 | fHistoPull[4] = new THnSparseS("#Delta_{1/pt} (unit)","#Delta_{1/pt} (unit)", 9, binsTrack,xminTrack, xmaxTrack); | |
257 | ||
258 | // | |
259 | // delta Pt | |
260 | xminTrack[0] =-0.5; xmaxTrack[0]=0.5; // | |
261 | fHistoDelta[5] = new THnSparseS("#Delta_{pt}/p_{t}","#Delta_{pt}/p_{t}", 9, binsTrack,xminTrack, xmaxTrack); | |
262 | xminTrack[0] =-5; xmaxTrack[0]=5; // | |
263 | fHistoPull[5] = new THnSparseS("#Delta_{pt}/p_{t} (unit)","#Delta_{pt}/p_{t} (unit)", 9, binsTrack,xminTrack, xmaxTrack); | |
264 | // | |
8a92e133 | 265 | |
266 | for (Int_t idedx=0;idedx<4;idedx++){ | |
267 | xminTrack[0] =0.5; xmaxTrack[0]=1.5; // | |
268 | binsTrack[1] =40; | |
269 | xminTrack[1] =10; xmaxTrack[1]=160; | |
270 | ||
271 | fHistodEdxMax[idedx] = new THnSparseS(Form("dEdx_{MaxUp}/dEdx_{MaxDown}_Pad%d",idedx), | |
272 | Form("dEdx_{MaxUp}/dEdx_{MaxDown}_Pad%d",idedx), | |
273 | 9, binsTrack,xminTrack, xmaxTrack); | |
274 | fHistodEdxTot[idedx] = new THnSparseS(Form("dEdx_{TotUp}/dEdx_{TotDown}_Pad%d",idedx), | |
275 | Form("dEdx_{TotUp}/dEdx_{TotDown}_Pad%d",idedx), | |
276 | 9, binsTrack,xminTrack, xmaxTrack); | |
277 | } | |
278 | ||
279 | ||
280 | ||
91fd44c9 | 281 | for (Int_t ivar=0;ivar<6;ivar++){ |
8a92e133 | 282 | for (Int_t ivar2=0;ivar2<9;ivar2++){ |
91fd44c9 | 283 | fHistoDelta[ivar]->GetAxis(ivar2)->SetName(axisName[ivar2].Data()); |
284 | fHistoDelta[ivar]->GetAxis(ivar2)->SetTitle(axisName[ivar2].Data()); | |
285 | fHistoPull[ivar]->GetAxis(ivar2)->SetName(axisName[ivar2].Data()); | |
286 | fHistoPull[ivar]->GetAxis(ivar2)->SetTitle(axisName[ivar2].Data()); | |
287 | BinLogX(fHistoDelta[ivar],7); | |
288 | BinLogX(fHistoPull[ivar],7); | |
8a92e133 | 289 | if (ivar<4){ |
290 | fHistodEdxMax[ivar]->GetAxis(ivar2)->SetName(axisName[ivar2].Data()); | |
291 | fHistodEdxMax[ivar]->GetAxis(ivar2)->SetTitle(axisName[ivar2].Data()); | |
292 | fHistodEdxTot[ivar]->GetAxis(ivar2)->SetName(axisName[ivar2].Data()); | |
293 | fHistodEdxTot[ivar]->GetAxis(ivar2)->SetTitle(axisName[ivar2].Data()); | |
294 | BinLogX(fHistodEdxMax[ivar],7); | |
295 | BinLogX(fHistodEdxTot[ivar],7); | |
296 | } | |
91fd44c9 | 297 | } |
298 | } | |
299 | } | |
300 | ||
301 | ||
302 | void AliTPCcalibCosmic::Add(const AliTPCcalibCosmic* cosmic){ | |
303 | // | |
304 | // | |
305 | // | |
306 | for (Int_t ivar=0; ivar<6;ivar++){ | |
307 | if (fHistoDelta[ivar] && cosmic->fHistoDelta[ivar]){ | |
308 | fHistoDelta[ivar]->Add(cosmic->fHistoDelta[ivar]); | |
309 | } | |
310 | if (fHistoPull[ivar] && cosmic->fHistoPull[ivar]){ | |
311 | fHistoPull[ivar]->Add(cosmic->fHistoPull[ivar]); | |
312 | } | |
313 | } | |
8a92e133 | 314 | for (Int_t ivar=0; ivar<4;ivar++){ |
315 | if (fHistodEdxMax[ivar] && cosmic->fHistodEdxMax[ivar]){ | |
316 | fHistodEdxMax[ivar]->Add(cosmic->fHistodEdxMax[ivar]); | |
317 | } | |
318 | if (fHistodEdxTot[ivar] && cosmic->fHistodEdxTot[ivar]){ | |
319 | fHistodEdxTot[ivar]->Add(cosmic->fHistodEdxTot[ivar]); | |
320 | } | |
321 | } | |
91fd44c9 | 322 | } |
323 | ||
9b27d39b | 324 | |
325 | ||
326 | ||
f7f33dec | 327 | void AliTPCcalibCosmic::Process(AliESDEvent *event) { |
9b27d39b | 328 | // |
329 | // | |
330 | // | |
f7f33dec | 331 | if (!event) { |
332 | Printf("ERROR: ESD not available"); | |
333 | return; | |
9b27d39b | 334 | } |
f7f33dec | 335 | AliESDfriend *ESDfriend=static_cast<AliESDfriend*>(event->FindListObject("AliESDfriend")); |
336 | if (!ESDfriend) { | |
337 | Printf("ERROR: ESDfriend not available"); | |
338 | return; | |
339 | } | |
2acad464 | 340 | |
108953e9 | 341 | |
54b76c13 | 342 | FindPairs(event); // nearly everything takes place in find pairs... |
343 | ||
2acad464 | 344 | if (GetDebugLevel()>20) printf("Hallo world: Im here and processing an event\n"); |
9b27d39b | 345 | Int_t ntracks=event->GetNumberOfTracks(); |
346 | fHistNTracks->Fill(ntracks); | |
9b27d39b | 347 | if (ntracks==0) return; |
cc65e4f5 | 348 | // AliESDcosmic cosmicESD; |
349 | // TTreeSRedirector * cstream = GetDebugStreamer(); | |
350 | // cosmicESD.SetDebugStreamer(cstream); | |
351 | // cosmicESD.ProcessEvent(event); | |
352 | // if (cstream) cosmicESD.DumpToTree(); | |
15e48021 | 353 | |
354 | ||
54b76c13 | 355 | } |
9b27d39b | 356 | |
f7f33dec | 357 | |
a390f11f | 358 | void AliTPCcalibCosmic::FillHistoPerformance(AliExternalTrackParam *par0, AliExternalTrackParam *par1, AliExternalTrackParam *inner0, AliExternalTrackParam *inner1, AliTPCseed *seed0, AliTPCseed *seed1, AliExternalTrackParam *param0Combined ){ |
91fd44c9 | 359 | // |
a390f11f | 360 | // par0,par1 - parameter of tracks at DCA 0 |
361 | // inner0,inner1 - parameter of tracks at the TPC entrance | |
362 | // seed0, seed1 - detailed track information | |
363 | // param0Combined - Use combined track parameters for binning | |
91fd44c9 | 364 | // |
8a92e133 | 365 | Int_t kMinCldEdx =20; |
366 | Int_t ncl0 = seed0->GetNumberOfClusters(); | |
367 | Int_t ncl1 = seed1->GetNumberOfClusters(); | |
368 | ||
91fd44c9 | 369 | const Double_t kpullCut = 10; |
370 | Double_t x[9]; | |
371 | Double_t xyz0[3]; | |
372 | Double_t xyz1[3]; | |
373 | par0->GetXYZ(xyz0); | |
374 | par1->GetXYZ(xyz1); | |
375 | Double_t radius0 = TMath::Sqrt(xyz0[0]*xyz0[0]+xyz0[1]*xyz0[1]); | |
376 | Double_t radius1 = TMath::Sqrt(xyz1[0]*xyz1[0]+xyz1[1]*xyz1[1]); | |
377 | inner0->GetXYZ(xyz0); | |
378 | Double_t alpha = TMath::ATan2(xyz0[1],xyz0[0]); | |
379 | // bin parameters | |
380 | x[1] = TMath::Min(ncl0,ncl1); | |
381 | x[2] = (radius0+radius1)*0.5; | |
a390f11f | 382 | x[3] = param0Combined->GetZ(); |
383 | x[4] = inner0->GetSnp(); | |
384 | x[5] = param0Combined->GetTgl(); | |
385 | x[6] = param0Combined->GetSigned1Pt(); | |
386 | x[7] = param0Combined->Pt(); | |
91fd44c9 | 387 | x[8] = alpha; |
388 | // deltas | |
389 | Double_t delta[6]; | |
390 | Double_t sigma[6]; | |
391 | delta[0] = (par0->GetY()+par1->GetY()); | |
392 | delta[1] = (par0->GetZ()-par1->GetZ()); | |
393 | delta[2] = (par0->GetAlpha()-par1->GetAlpha()-TMath::Pi()); | |
394 | delta[3] = (par0->GetTgl()+par1->GetTgl()); | |
395 | delta[4] = (par0->GetParameter()[4]+par1->GetParameter()[4]); | |
396 | delta[5] = (par0->Pt()-par1->Pt())/((par0->Pt()+par1->Pt())*0.5); | |
397 | // | |
398 | sigma[0] = TMath::Sqrt(par0->GetSigmaY2()+par1->GetSigmaY2()); | |
399 | sigma[1] = TMath::Sqrt(par0->GetSigmaZ2()+par1->GetSigmaZ2()); | |
400 | sigma[2] = TMath::Sqrt(par0->GetSigmaSnp2()+par1->GetSigmaSnp2()); | |
401 | sigma[3] = TMath::Sqrt(par0->GetSigmaTgl2()+par1->GetSigmaTgl2()); | |
402 | sigma[4] = TMath::Sqrt(par0->GetSigma1Pt2()+par1->GetSigma1Pt2()); | |
403 | sigma[5] = sigma[4]*((par0->Pt()+par1->Pt())*0.5); | |
404 | // | |
405 | Bool_t isOK = kTRUE; | |
406 | for (Int_t ivar=0;ivar<6;ivar++){ | |
407 | if (sigma[ivar]==0) isOK=kFALSE; | |
408 | x[0]= delta[ivar]/sigma[ivar]; | |
409 | if (TMath::Abs(x[0])>kpullCut) isOK = kFALSE; | |
410 | } | |
411 | // | |
412 | ||
413 | if (isOK) for (Int_t ivar=0;ivar<6;ivar++){ | |
414 | x[0]= delta[ivar]/TMath::Sqrt(2); | |
415 | if (ivar==2 || ivar ==3) x[0]*=1000; | |
416 | fHistoDelta[ivar]->Fill(x); | |
417 | if (sigma[ivar]>0){ | |
418 | x[0]= delta[ivar]/sigma[ivar]; | |
419 | fHistoPull[ivar]->Fill(x); | |
420 | } | |
421 | } | |
8a92e133 | 422 | |
423 | // | |
424 | // Fill dedx performance | |
425 | // | |
426 | for (Int_t ipad=0; ipad<4;ipad++){ | |
427 | // | |
428 | // | |
429 | // | |
430 | Int_t row0=0; | |
431 | Int_t row1=160; | |
432 | if (ipad==0) row1=63; | |
433 | if (ipad==1) {row0=63; row1=63+64;} | |
434 | if (ipad==2) {row0=128;} | |
435 | Int_t nclUp = TMath::Nint(seed0->CookdEdxAnalytical(0.01,0.7,0,row0,row1,2)); | |
436 | Int_t nclDown = TMath::Nint(seed1->CookdEdxAnalytical(0.01,0.7,0,row0,row1,2)); | |
437 | Int_t minCl = TMath::Min(nclUp,nclDown); | |
438 | if (minCl<kMinCldEdx) continue; | |
439 | x[1] = minCl; | |
440 | // | |
441 | Float_t dEdxTotUp = seed0->CookdEdxAnalytical(0.01,0.7,0,row0,row1); | |
442 | Float_t dEdxTotDown = seed1->CookdEdxAnalytical(0.01,0.7,0,row0,row1); | |
443 | Float_t dEdxMaxUp = seed0->CookdEdxAnalytical(0.01,0.7,1,row0,row1); | |
444 | Float_t dEdxMaxDown = seed1->CookdEdxAnalytical(0.01,0.7,1,row0,row1); | |
445 | // | |
446 | if (dEdxTotDown<=0) continue; | |
447 | if (dEdxMaxDown<=0) continue; | |
448 | x[0]=dEdxTotUp/dEdxTotDown; | |
449 | fHistodEdxTot[ipad]->Fill(x); | |
450 | x[0]=dEdxMaxUp/dEdxMaxDown; | |
451 | fHistodEdxMax[ipad]->Fill(x); | |
452 | } | |
453 | ||
454 | ||
91fd44c9 | 455 | |
456 | } | |
457 | ||
a390f11f | 458 | void AliTPCcalibCosmic::MaterialBudgetDump(AliExternalTrackParam *par0, AliExternalTrackParam *par1, AliExternalTrackParam *inner0, AliExternalTrackParam *inner1, AliTPCseed *seed0, AliTPCseed *seed1, AliExternalTrackParam *param0Combined, AliExternalTrackParam *param1Combined){ |
459 | // | |
460 | // matrial budget AOD dump | |
461 | // | |
462 | // par0,par1 - parameter of tracks at DCA 0 | |
463 | // inner0,inner1 - parameter of tracks at the TPC entrance | |
464 | // seed0, seed1 - detailed track information | |
465 | // param0Combined - Use combined track parameters for binning | |
466 | // param1Combined - | |
467 | Double_t p0In = inner0->GetP(); | |
468 | Double_t p1In = inner1->GetP(); | |
469 | Double_t p0V = par0->GetP(); | |
470 | Double_t p1V = par1->GetP(); | |
471 | // | |
472 | Double_t pt0In = inner0->Pt(); | |
473 | Double_t pt1In = inner1->Pt(); | |
474 | Double_t pt0V = par0->Pt(); | |
475 | Double_t pt1V = par1->Pt(); | |
476 | Int_t ncl0 = seed0->GetNumberOfClusters(); | |
477 | Int_t ncl1 = seed1->GetNumberOfClusters(); | |
478 | Int_t nclmin=TMath::Min(ncl0,ncl1); | |
479 | Double_t sign = (param0Combined->GetSigned1Pt()>0) ? 1:-1.; | |
480 | // | |
481 | TTreeSRedirector * pcstream = GetDebugStreamer(); | |
482 | if (pcstream){ | |
483 | (*pcstream)<<"material"<< | |
484 | "run="<<fRun<< // run number | |
485 | "event="<<fEvent<< // event number | |
486 | "time="<<fTime<< // time stamp of event | |
487 | "trigger="<<fTrigger<< // trigger | |
488 | "triggerClass="<<&fTriggerClass<< // trigger | |
489 | "mag="<<fMagF<< // magnetic field | |
490 | "sign="<<sign<< // sign of the track | |
491 | // | |
492 | "ncl0="<<ncl0<< | |
493 | "ncl1="<<ncl1<< | |
494 | "nclmin="<<nclmin<< | |
495 | // | |
496 | "p0In="<<p0In<< | |
497 | "p1In="<<p1In<< | |
498 | "p0V="<<p0V<< | |
499 | "p1V="<<p1V<< | |
500 | "pt0In="<<pt0In<< | |
501 | "pt1In="<<pt1In<< | |
502 | "pt0V="<<pt0V<< | |
503 | "pt1V="<<pt1V<< | |
504 | "p0.="<<par0<< | |
505 | "p1.="<<par1<< | |
506 | "up0.="<<param0Combined<< | |
507 | "up1.="<<param1Combined<< | |
508 | "\n"; | |
509 | } | |
510 | ||
511 | } | |
f7f33dec | 512 | |
54b76c13 | 513 | void AliTPCcalibCosmic::Analyze() { |
514 | ||
515 | fMIPvalue = CalculateMIPvalue(fDeDxMIP); | |
516 | ||
517 | return; | |
518 | ||
519 | } | |
520 | ||
f7f33dec | 521 | |
f7f33dec | 522 | |
9b27d39b | 523 | void AliTPCcalibCosmic::FindPairs(AliESDEvent *event) { |
524 | // | |
525 | // Find cosmic pairs | |
04087794 | 526 | // |
527 | // Track0 is choosen in upper TPC part | |
528 | // Track1 is choosen in lower TPC part | |
9b27d39b | 529 | // |
2acad464 | 530 | if (GetDebugLevel()>20) printf("Hallo world: Im here\n"); |
9b27d39b | 531 | AliESDfriend *ESDfriend=static_cast<AliESDfriend*>(event->FindListObject("AliESDfriend")); |
532 | Int_t ntracks=event->GetNumberOfTracks(); | |
9b27d39b | 533 | TObjArray tpcSeeds(ntracks); |
534 | if (ntracks==0) return; | |
535 | Double_t vtxx[3]={0,0,0}; | |
536 | Double_t svtxx[3]={0.000001,0.000001,100.}; | |
537 | AliESDVertex vtx(vtxx,svtxx); | |
538 | // | |
539 | //track loop | |
540 | // | |
54b76c13 | 541 | for (Int_t i=0;i<ntracks;++i) { |
542 | AliESDtrack *track = event->GetTrack(i); | |
543 | fClusters->Fill(track->GetTPCNcls()); | |
544 | ||
545 | const AliExternalTrackParam * trackIn = track->GetInnerParam(); | |
546 | const AliExternalTrackParam * trackOut = track->GetOuterParam(); | |
547 | if (!trackIn) continue; | |
548 | if (!trackOut) continue; | |
860b3d93 | 549 | if (ntracks>4 && TMath::Abs(trackIn->GetTgl())<0.0015) continue; // filter laser |
550 | ||
551 | ||
9b27d39b | 552 | AliESDfriendTrack *friendTrack = ESDfriend->GetTrack(i); |
553 | TObject *calibObject; | |
554 | AliTPCseed *seed = 0; | |
555 | for (Int_t l=0;(calibObject=friendTrack->GetCalibObject(l));++l) { | |
556 | if ((seed=dynamic_cast<AliTPCseed*>(calibObject))) break; | |
557 | } | |
558 | if (seed) tpcSeeds.AddAt(seed,i); | |
54b76c13 | 559 | |
560 | Double_t meanP = 0.5*(trackIn->GetP() + trackOut->GetP()); | |
561 | if (seed && track->GetTPCNcls() > 80 + 60/(1+TMath::Exp(-meanP+5))) { | |
15e48021 | 562 | fDeDx->Fill(meanP, seed->CookdEdxNorm(0.0,0.45,0,0,159)); |
54b76c13 | 563 | // |
15e48021 | 564 | if (meanP > 0.4 && meanP < 0.45) fDeDxMIP->Fill(seed->CookdEdxNorm(0.0,0.45,0,0,159)); |
54b76c13 | 565 | // |
15e48021 | 566 | if (GetDebugLevel()>0&&meanP>0.2&&seed->CookdEdxNorm(0.0,0.45,0,0,159)>300) { |
54b76c13 | 567 | TFile *curfile = AliAnalysisManager::GetAnalysisManager()->GetTree()->GetCurrentFile(); |
568 | if (curfile) printf(">>> p+ in file: %s \t event: %i \t Number of ESD tracks: %i \n", curfile->GetName(), (int)event->GetEventNumberInFile(), (int)ntracks); | |
569 | if (track->GetOuterParam()->GetAlpha()<0) cout << " Polartiy: " << track->GetSign() << endl; | |
570 | } | |
571 | ||
572 | } | |
573 | ||
9b27d39b | 574 | } |
54b76c13 | 575 | |
9b27d39b | 576 | if (ntracks<2) return; |
577 | // | |
578 | // Find pairs | |
579 | // | |
580 | for (Int_t i=0;i<ntracks;++i) { | |
581 | AliESDtrack *track0 = event->GetTrack(i); | |
04087794 | 582 | // track0 - choosen upper part |
583 | if (!track0) continue; | |
584 | if (!track0->GetOuterParam()) continue; | |
585 | if (track0->GetOuterParam()->GetAlpha()<0) continue; | |
e9362f9d | 586 | Double_t dir0[3]; |
587 | track0->GetDirection(dir0); | |
04087794 | 588 | for (Int_t j=0;j<ntracks;++j) { |
589 | if (i==j) continue; | |
590 | AliESDtrack *track1 = event->GetTrack(j); | |
591 | //track 1 lower part | |
592 | if (!track1) continue; | |
593 | if (!track1->GetOuterParam()) continue; | |
594 | if (track1->GetOuterParam()->GetAlpha()>0) continue; | |
595 | // | |
e9362f9d | 596 | Double_t dir1[3]; |
597 | track1->GetDirection(dir1); | |
54b76c13 | 598 | |
9b27d39b | 599 | AliTPCseed * seed0 = (AliTPCseed*) tpcSeeds.At(i); |
600 | AliTPCseed * seed1 = (AliTPCseed*) tpcSeeds.At(j); | |
601 | if (! seed0) continue; | |
602 | if (! seed1) continue; | |
15e48021 | 603 | Float_t dedx0 = seed0->CookdEdxNorm(0.05,0.55,0,0,159); |
604 | Float_t dedx1 = seed1->CookdEdxNorm(0.05,0.55,0,0,159); | |
bca20570 | 605 | // |
15e48021 | 606 | Float_t dedx0I = seed0->CookdEdxNorm(0.05,0.55,0,0,63); |
607 | Float_t dedx1I = seed1->CookdEdxNorm(0.05,0.55,0,0,63); | |
bca20570 | 608 | // |
15e48021 | 609 | Float_t dedx0O = seed0->CookdEdxNorm(0.05,0.55,0,64,159); |
610 | Float_t dedx1O = seed1->CookdEdxNorm(0.05,0.55,0,64,159); | |
bca20570 | 611 | // |
e9362f9d | 612 | Float_t dir = (dir0[0]*dir1[0] + dir0[1]*dir1[1] + dir0[2]*dir1[2]); |
9b27d39b | 613 | Float_t d0 = track0->GetLinearD(0,0); |
614 | Float_t d1 = track1->GetLinearD(0,0); | |
615 | // | |
616 | // conservative cuts - convergence to be guarantied | |
617 | // applying before track propagation | |
618 | if (TMath::Abs(d0+d1)>fCutMaxD) continue; // distance to the 0,0 | |
619 | if (dir>fCutMinDir) continue; // direction vector product | |
620 | Float_t bz = AliTracker::GetBz(); | |
621 | Float_t dvertex0[2]; //distance to 0,0 | |
622 | Float_t dvertex1[2]; //distance to 0,0 | |
623 | track0->GetDZ(0,0,0,bz,dvertex0); | |
624 | track1->GetDZ(0,0,0,bz,dvertex1); | |
625 | if (TMath::Abs(dvertex0[1])>250) continue; | |
626 | if (TMath::Abs(dvertex1[1])>250) continue; | |
627 | // | |
628 | // | |
629 | // | |
630 | Float_t dmax = TMath::Max(TMath::Abs(d0),TMath::Abs(d1)); | |
631 | AliExternalTrackParam param0(*track0); | |
632 | AliExternalTrackParam param1(*track1); | |
633 | // | |
634 | // Propagate using Magnetic field and correct fo material budget | |
635 | // | |
a390f11f | 636 | Double_t sign0=-1; |
637 | Double_t sign1=1; | |
638 | Double_t maxsnp=0.90; | |
639 | AliTracker::PropagateTrackToBxByBz(¶m0,dmax+1,0.0005,3,kTRUE,maxsnp,sign0); | |
640 | AliTracker::PropagateTrackToBxByBz(¶m1,dmax+1,0.0005,3,kTRUE,maxsnp,sign1); | |
9b27d39b | 641 | // |
642 | // Propagate rest to the 0,0 DCA - z should be ignored | |
643 | // | |
644 | Bool_t b0 = param0.PropagateToDCA(&vtx,bz,1000); | |
645 | Bool_t b1 = param1.PropagateToDCA(&vtx,bz,1000); | |
646 | // | |
647 | param0.GetDZ(0,0,0,bz,dvertex0); | |
648 | param1.GetDZ(0,0,0,bz,dvertex1); | |
a6dc0cf6 | 649 | if (TMath::Abs(param0.GetZ()-param1.GetZ())>fCutMaxDz) continue; |
9b27d39b | 650 | // |
651 | Double_t xyz0[3];//,pxyz0[3]; | |
652 | Double_t xyz1[3];//,pxyz1[3]; | |
653 | param0.GetXYZ(xyz0); | |
654 | param1.GetXYZ(xyz1); | |
655 | Bool_t isPair = IsPair(¶m0,¶m1); | |
656 | // | |
54b76c13 | 657 | if (isPair) FillAcordeHist(track0); |
15e48021 | 658 | // |
659 | // combined track params | |
660 | // | |
661 | AliExternalTrackParam *par0U=MakeCombinedTrack(¶m0,¶m1); | |
662 | AliExternalTrackParam *par1U=MakeCombinedTrack(¶m1,¶m0); | |
663 | ||
664 | ||
54b76c13 | 665 | // |
9b27d39b | 666 | if (fStreamLevel>0){ |
667 | TTreeSRedirector * cstream = GetDebugStreamer(); | |
108953e9 | 668 | //printf("My stream=%p\n",(void*)cstream); |
e9362f9d | 669 | AliExternalTrackParam *ip0 = (AliExternalTrackParam *)track0->GetInnerParam(); |
670 | AliExternalTrackParam *ip1 = (AliExternalTrackParam *)track1->GetInnerParam(); | |
671 | AliExternalTrackParam *op0 = (AliExternalTrackParam *)track0->GetOuterParam(); | |
672 | AliExternalTrackParam *op1 = (AliExternalTrackParam *)track1->GetOuterParam(); | |
673 | Bool_t isCrossI = ip0->GetZ()*ip1->GetZ()<0; | |
674 | Bool_t isCrossO = op0->GetZ()*op1->GetZ()<0; | |
675 | Double_t alpha0 = TMath::ATan2(dir0[1],dir0[0]); | |
676 | Double_t alpha1 = TMath::ATan2(dir1[1],dir1[0]); | |
91fd44c9 | 677 | // |
678 | // | |
679 | // | |
a390f11f | 680 | FillHistoPerformance(¶m0, ¶m1, ip0, ip1, seed0, seed1,par0U); |
681 | MaterialBudgetDump(¶m0, ¶m1, ip0, ip1, seed0, seed1,par0U,par1U); | |
9b27d39b | 682 | if (cstream) { |
683 | (*cstream) << "Track0" << | |
108953e9 | 684 | "run="<<fRun<< // run number |
685 | "event="<<fEvent<< // event number | |
686 | "time="<<fTime<< // time stamp of event | |
687 | "trigger="<<fTrigger<< // trigger | |
15e48021 | 688 | "triggerClass="<<&fTriggerClass<< // trigger |
108953e9 | 689 | "mag="<<fMagF<< // magnetic field |
9b27d39b | 690 | "dir="<<dir<< // direction |
54b76c13 | 691 | "OK="<<isPair<< // will be accepted |
9b27d39b | 692 | "b0="<<b0<< // propagate status |
693 | "b1="<<b1<< // propagate status | |
e9362f9d | 694 | "crossI="<<isCrossI<< // cross inner |
695 | "crossO="<<isCrossO<< // cross outer | |
696 | // | |
9b27d39b | 697 | "Orig0.=" << track0 << // original track 0 |
698 | "Orig1.=" << track1 << // original track 1 | |
699 | "Tr0.="<<¶m0<< // track propagated to the DCA 0,0 | |
700 | "Tr1.="<<¶m1<< // track propagated to the DCA 0,0 | |
e9362f9d | 701 | "Ip0.="<<ip0<< // inner param - upper |
702 | "Ip1.="<<ip1<< // inner param - lower | |
703 | "Op0.="<<op0<< // outer param - upper | |
704 | "Op1.="<<op1<< // outer param - lower | |
15e48021 | 705 | "Up0.="<<par0U<< // combined track 0 |
706 | "Up1.="<<par1U<< // combined track 1 | |
e9362f9d | 707 | // |
9b27d39b | 708 | "v00="<<dvertex0[0]<< // distance using kalman |
709 | "v01="<<dvertex0[1]<< // | |
710 | "v10="<<dvertex1[0]<< // | |
711 | "v11="<<dvertex1[1]<< // | |
712 | "d0="<<d0<< // linear distance to 0,0 | |
713 | "d1="<<d1<< // linear distance to 0,0 | |
714 | // | |
e9362f9d | 715 | // |
716 | // | |
717 | "x00="<<xyz0[0]<< // global position close to vertex | |
9b27d39b | 718 | "x01="<<xyz0[1]<< |
719 | "x02="<<xyz0[2]<< | |
720 | // | |
e9362f9d | 721 | "x10="<<xyz1[0]<< // global position close to vertex |
9b27d39b | 722 | "x11="<<xyz1[1]<< |
723 | "x12="<<xyz1[2]<< | |
724 | // | |
e9362f9d | 725 | "alpha0="<<alpha0<< |
726 | "alpha1="<<alpha1<< | |
727 | "dir00="<<dir0[0]<< // direction upper | |
728 | "dir01="<<dir0[1]<< | |
729 | "dir02="<<dir0[2]<< | |
730 | // | |
731 | "dir10="<<dir1[0]<< // direction lower | |
732 | "dir11="<<dir1[1]<< | |
733 | "dir12="<<dir1[2]<< | |
734 | // | |
735 | // | |
54b76c13 | 736 | "Seed0.=" << seed0 << // original seed 0 |
737 | "Seed1.=" << seed1 << // original seed 1 | |
bca20570 | 738 | // |
739 | "dedx0="<<dedx0<< // dedx0 - all | |
740 | "dedx1="<<dedx1<< // dedx1 - all | |
741 | // | |
54b76c13 | 742 | "dedx0I="<<dedx0I<< // dedx0 - inner ROC |
743 | "dedx1I="<<dedx1I<< // dedx1 - inner ROC | |
bca20570 | 744 | // |
54b76c13 | 745 | "dedx0O="<<dedx0O<< // dedx0 - outer ROC |
746 | "dedx1O="<<dedx1O<< // dedx1 - outer ROC | |
9b27d39b | 747 | "\n"; |
748 | } | |
15e48021 | 749 | } |
750 | delete par0U; | |
751 | delete par1U; | |
9b27d39b | 752 | } |
753 | } | |
754 | } | |
755 | ||
9b27d39b | 756 | |
bca20570 | 757 | |
758 | ||
54b76c13 | 759 | void AliTPCcalibCosmic::FillAcordeHist(AliESDtrack *upperTrack) { |
760 | ||
761 | // Pt cut to select straight tracks which can be easily propagated to ACORDE which is outside the magnetic field | |
762 | if (upperTrack->Pt() < 10 || upperTrack->GetTPCNcls() < 80) return; | |
763 | ||
764 | const Double_t AcordePlane = 850.; // distance of the central Acorde detectors to the beam line at y =0 | |
765 | const Double_t roof = 210.5; // distance from x =0 to end of magnet roof | |
766 | ||
767 | Double_t r[3]; | |
768 | upperTrack->GetXYZ(r); | |
769 | Double_t d[3]; | |
770 | upperTrack->GetDirection(d); | |
771 | Double_t x,z; | |
772 | z = r[2] + (d[2]/d[1])*(AcordePlane - r[1]); | |
773 | x = r[0] + (d[0]/d[1])*(AcordePlane - r[1]); | |
774 | ||
775 | if (x > roof) { | |
776 | x = r[0] + (d[0]/(d[0]+d[1]))*(AcordePlane+roof-r[0]-r[1]); | |
777 | z = r[2] + (d[2]/(d[0]+d[1]))*(AcordePlane+roof-r[0]-r[1]); | |
778 | } | |
779 | if (x < -roof) { | |
780 | x = r[0] + (d[0]/(d[1]-d[0]))*(AcordePlane+roof+r[0]-r[1]); | |
781 | z = r[2] + (d[2]/(d[1]-d[0]))*(AcordePlane+roof+r[0]-r[1]); | |
782 | } | |
783 | ||
784 | fModules->Fill(z, x); | |
785 | ||
786 | } | |
787 | ||
788 | ||
789 | ||
bca20570 | 790 | Long64_t AliTPCcalibCosmic::Merge(TCollection *li) { |
791 | ||
792 | TIterator* iter = li->MakeIterator(); | |
793 | AliTPCcalibCosmic* cal = 0; | |
794 | ||
795 | while ((cal = (AliTPCcalibCosmic*)iter->Next())) { | |
796 | if (!cal->InheritsFrom(AliTPCcalibCosmic::Class())) { | |
860b3d93 | 797 | //Error("Merge","Attempt to add object of class %s to a %s", cal->ClassName(), this->ClassName()); |
bca20570 | 798 | return -1; |
799 | } | |
800 | ||
54b76c13 | 801 | fHistNTracks->Add(cal->GetHistNTracks()); |
802 | fClusters->Add(cal-> GetHistClusters()); | |
803 | fModules->Add(cal->GetHistAcorde()); | |
804 | fHistPt->Add(cal->GetHistPt()); | |
805 | fDeDx->Add(cal->GetHistDeDx()); | |
806 | fDeDxMIP->Add(cal->GetHistMIP()); | |
91fd44c9 | 807 | Add(cal); |
bca20570 | 808 | } |
bca20570 | 809 | return 0; |
9b27d39b | 810 | |
f7f33dec | 811 | } |
812 | ||
54b76c13 | 813 | |
9b27d39b | 814 | Bool_t AliTPCcalibCosmic::IsPair(AliExternalTrackParam *tr0, AliExternalTrackParam *tr1){ |
815 | // | |
816 | // | |
817 | /* | |
818 | // 0. Same direction - OPOSITE - cutDir +cutT | |
819 | TCut cutDir("cutDir","dir<-0.99") | |
820 | // 1. | |
821 | TCut cutT("cutT","abs(Tr1.fP[3]+Tr0.fP[3])<0.03") | |
822 | // | |
823 | // 2. The same rphi | |
824 | TCut cutD("cutD","abs(Tr0.fP[0]+Tr1.fP[0])<5") | |
825 | // | |
826 | // | |
827 | // | |
828 | TCut cutPt("cutPt","abs(Tr1.fP[4]+Tr0.fP[4])<1&&abs(Tr0.fP[4])+abs(Tr1.fP[4])<10"); | |
829 | // 1/Pt diff cut | |
830 | */ | |
831 | const Double_t *p0 = tr0->GetParameter(); | |
832 | const Double_t *p1 = tr1->GetParameter(); | |
833 | if (TMath::Abs(p0[3]+p1[3])>fCutTheta) return kFALSE; | |
a6dc0cf6 | 834 | if (TMath::Abs(p0[1]-p1[1])>fCutMaxDz) return kFALSE; |
9b27d39b | 835 | if (TMath::Abs(p0[0]+p1[0])>fCutMaxD) return kFALSE; |
a6dc0cf6 | 836 | |
9b27d39b | 837 | Double_t d0[3], d1[3]; |
838 | tr0->GetDirection(d0); | |
839 | tr1->GetDirection(d1); | |
840 | if (d0[0]*d1[0] + d0[1]*d1[1] + d0[2]*d1[2] >fCutMinDir) return kFALSE; | |
841 | // | |
842 | return kTRUE; | |
843 | } | |
54b76c13 | 844 | |
845 | ||
846 | ||
847 | Double_t AliTPCcalibCosmic::CalculateMIPvalue(TH1F * hist) { | |
848 | ||
849 | TF1 * funcDoubleGaus = new TF1("funcDoubleGaus", "gaus(0)+gaus(3)",0,1000); | |
850 | funcDoubleGaus->SetParameters(hist->GetEntries()*0.75,hist->GetMean()/1.3,hist->GetMean()*0.10, | |
851 | hist->GetEntries()*0.25,hist->GetMean()*1.3,hist->GetMean()*0.10); | |
852 | hist->Fit(funcDoubleGaus); | |
853 | Double_t MIPvalue = TMath::Min(funcDoubleGaus->GetParameter(1),funcDoubleGaus->GetParameter(4)); | |
854 | ||
855 | delete funcDoubleGaus; | |
856 | ||
857 | return MIPvalue; | |
858 | ||
859 | } | |
9b27d39b | 860 | |
861 | ||
f7f33dec | 862 | |
54b76c13 | 863 | |
57dc06f2 | 864 | void AliTPCcalibCosmic::CalculateBetheParams(TH2F */*hist*/, Double_t * /*initialParam*/) { |
865 | // | |
866 | // Not implemented yet | |
867 | // | |
54b76c13 | 868 | return; |
869 | ||
870 | } | |
871 | ||
872 | ||
91fd44c9 | 873 | void AliTPCcalibCosmic::BinLogX(THnSparse *h, Int_t axisDim) { |
874 | ||
875 | // Method for the correct logarithmic binning of histograms | |
876 | ||
877 | TAxis *axis = h->GetAxis(axisDim); | |
878 | int bins = axis->GetNbins(); | |
879 | ||
880 | Double_t from = axis->GetXmin(); | |
881 | Double_t to = axis->GetXmax(); | |
882 | Double_t *new_bins = new Double_t[bins + 1]; | |
883 | ||
884 | new_bins[0] = from; | |
885 | Double_t factor = pow(to/from, 1./bins); | |
886 | ||
887 | for (int i = 1; i <= bins; i++) { | |
888 | new_bins[i] = factor * new_bins[i-1]; | |
889 | } | |
890 | axis->Set(bins, new_bins); | |
891 | delete new_bins; | |
892 | ||
893 | } | |
894 | ||
895 | ||
f7f33dec | 896 | void AliTPCcalibCosmic::BinLogX(TH1 *h) { |
897 | ||
898 | // Method for the correct logarithmic binning of histograms | |
899 | ||
900 | TAxis *axis = h->GetXaxis(); | |
901 | int bins = axis->GetNbins(); | |
902 | ||
903 | Double_t from = axis->GetXmin(); | |
904 | Double_t to = axis->GetXmax(); | |
905 | Double_t *new_bins = new Double_t[bins + 1]; | |
906 | ||
907 | new_bins[0] = from; | |
908 | Double_t factor = pow(to/from, 1./bins); | |
909 | ||
910 | for (int i = 1; i <= bins; i++) { | |
911 | new_bins[i] = factor * new_bins[i-1]; | |
912 | } | |
913 | axis->Set(bins, new_bins); | |
914 | delete new_bins; | |
915 | ||
916 | } | |
917 | ||
7b18d067 | 918 | |
860b3d93 | 919 | AliExternalTrackParam *AliTPCcalibCosmic::MakeTrack(const AliExternalTrackParam *track0, const AliExternalTrackParam *track1){ |
920 | // | |
921 | // | |
922 | // | |
923 | AliExternalTrackParam *par1R= new AliExternalTrackParam(*track1); | |
924 | par1R->Rotate(track0->GetAlpha()); | |
15e48021 | 925 | par1R->PropagateTo(track0->GetX(),AliTracker::GetBz()); |
860b3d93 | 926 | // |
927 | // | |
928 | Double_t * param = (Double_t*)par1R->GetParameter(); | |
929 | Double_t * covar = (Double_t*)par1R->GetCovariance(); | |
15e48021 | 930 | |
860b3d93 | 931 | param[0]*=1; //OK |
932 | param[1]*=1; //OK | |
933 | param[2]*=1; //? | |
934 | param[3]*=-1; //OK | |
935 | param[4]*=-1; //OK | |
936 | // | |
937 | covar[6] *=-1.; covar[7] *=-1.; covar[8] *=-1.; | |
938 | //covar[10]*=-1.; covar[11]*=-1.; covar[12]*=-1.; | |
939 | covar[13]*=-1.; | |
860b3d93 | 940 | return par1R; |
941 | } | |
942 | ||
15e48021 | 943 | AliExternalTrackParam *AliTPCcalibCosmic::MakeCombinedTrack(const AliExternalTrackParam *track0, const AliExternalTrackParam *track1){ |
944 | // | |
945 | // Make combined track | |
946 | // | |
947 | // | |
948 | AliExternalTrackParam * par1T = MakeTrack(track0,track1); | |
949 | AliExternalTrackParam * par0U = new AliExternalTrackParam(*track0); | |
950 | // | |
951 | UpdateTrack(*par0U,*par1T); | |
952 | delete par1T; | |
953 | return par0U; | |
954 | } | |
955 | ||
956 | ||
860b3d93 | 957 | void AliTPCcalibCosmic::UpdateTrack(AliExternalTrackParam &track1, const AliExternalTrackParam &track2){ |
958 | // | |
959 | // Update track 1 with track 2 | |
960 | // | |
961 | // | |
962 | // | |
963 | TMatrixD vecXk(5,1); // X vector | |
964 | TMatrixD covXk(5,5); // X covariance | |
965 | TMatrixD matHk(5,5); // vector to mesurement | |
966 | TMatrixD measR(5,5); // measurement error | |
967 | TMatrixD vecZk(5,1); // measurement | |
968 | // | |
969 | TMatrixD vecYk(5,1); // Innovation or measurement residual | |
970 | TMatrixD matHkT(5,5); | |
971 | TMatrixD matSk(5,5); // Innovation (or residual) covariance | |
972 | TMatrixD matKk(5,5); // Optimal Kalman gain | |
973 | TMatrixD mat1(5,5); // update covariance matrix | |
974 | TMatrixD covXk2(5,5); // | |
975 | TMatrixD covOut(5,5); | |
976 | // | |
977 | Double_t *param1=(Double_t*) track1.GetParameter(); | |
978 | Double_t *covar1=(Double_t*) track1.GetCovariance(); | |
979 | Double_t *param2=(Double_t*) track2.GetParameter(); | |
980 | Double_t *covar2=(Double_t*) track2.GetCovariance(); | |
981 | // | |
982 | // copy data to the matrix | |
983 | for (Int_t ipar=0; ipar<5; ipar++){ | |
860b3d93 | 984 | for (Int_t jpar=0; jpar<5; jpar++){ |
985 | covXk(ipar,jpar) = covar1[track1.GetIndex(ipar, jpar)]; | |
986 | measR(ipar,jpar) = covar2[track2.GetIndex(ipar, jpar)]; | |
15e48021 | 987 | matHk(ipar,jpar)=0; |
988 | mat1(ipar,jpar)=0; | |
860b3d93 | 989 | } |
15e48021 | 990 | vecXk(ipar,0) = param1[ipar]; |
991 | vecZk(ipar,0) = param2[ipar]; | |
992 | matHk(ipar,ipar)=1; | |
993 | mat1(ipar,ipar)=0; | |
860b3d93 | 994 | } |
995 | // | |
996 | // | |
997 | // | |
998 | // | |
860b3d93 | 999 | // |
1000 | vecYk = vecZk-matHk*vecXk; // Innovation or measurement residual | |
1001 | matHkT=matHk.T(); matHk.T(); | |
1002 | matSk = (matHk*(covXk*matHkT))+measR; // Innovation (or residual) covariance | |
1003 | matSk.Invert(); | |
1004 | matKk = (covXk*matHkT)*matSk; // Optimal Kalman gain | |
1005 | vecXk += matKk*vecYk; // updated vector | |
860b3d93 | 1006 | covXk2 = (mat1-(matKk*matHk)); |
1007 | covOut = covXk2*covXk; | |
1008 | // | |
1009 | // | |
1010 | // | |
1011 | // copy from matrix to parameters | |
1012 | if (0) { | |
1013 | vecXk.Print(); | |
1014 | vecZk.Print(); | |
1015 | // | |
1016 | measR.Print(); | |
1017 | covXk.Print(); | |
1018 | covOut.Print(); | |
1019 | // | |
1020 | track1.Print(); | |
1021 | track2.Print(); | |
1022 | } | |
1023 | ||
1024 | for (Int_t ipar=0; ipar<5; ipar++){ | |
1025 | param1[ipar]= vecXk(ipar,0) ; | |
1026 | for (Int_t jpar=0; jpar<5; jpar++){ | |
1027 | covar1[track1.GetIndex(ipar, jpar)]=covOut(ipar,jpar); | |
1028 | } | |
1029 | } | |
1030 | } | |
1031 | ||
860b3d93 | 1032 | |
1033 | ||
1034 |