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3ab35fc5 | 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 | ||
16 | ||
17 | /////////////////////////////////////////////////////////////////////////////// | |
18 | // // | |
19 | // Base class for the calibration components using | |
20 | // as input TPCseeds and ESDs | |
21 | // Event loop outside of the component | |
22 | // | |
23 | // | |
ae28e92e | 24 | // Base functionality to be implemeneted by component |
25 | /* | |
26 | //In some cases only one of this function to be implemented | |
27 | virtual void Process(AliESDEvent *event) | |
28 | virtual void Process(AliTPCseed *track) | |
29 | // | |
30 | virtual Long64_t Merge(TCollection *li); | |
31 | virtual void Analyze() | |
32 | void Terminate(); | |
33 | */ | |
34 | // Functionality provided by base class for Algorith debuging: | |
35 | // TTreeSRedirector * cstream = GetDebugStreamer() - get debug streamer which can be use for numerical debugging | |
36 | // | |
37 | ||
38 | ||
39 | ||
40 | // marian.ivanov@cern.ch | |
3ab35fc5 | 41 | // |
42 | #include "AliTPCcalibBase.h" | |
f7f33dec | 43 | #include "TSystem.h" |
44 | #include "TFile.h" | |
ae28e92e | 45 | #include "TTreeStream.h" |
47328338 | 46 | #include "TTimeStamp.h" |
52a5850f | 47 | #include "TGraph.h" |
48 | #include "TGraphErrors.h" | |
49 | #include "TF1.h" | |
50 | #include "TH1D.h" | |
51 | #include "TH2D.h" | |
52 | #include "THnSparse.h" | |
53 | ||
54 | ||
55 | #include "AliLog.h" | |
108953e9 | 56 | #include "AliESDEvent.h" |
f7f33dec | 57 | |
3ab35fc5 | 58 | |
59 | ClassImp(AliTPCcalibBase) | |
60 | ||
ae28e92e | 61 | AliTPCcalibBase::AliTPCcalibBase(): |
62 | TNamed(), | |
63 | fDebugStreamer(0), | |
108953e9 | 64 | fStreamLevel(0), |
65 | fRun(0), //! current Run number | |
66 | fEvent(0), //! current Event number | |
67 | fTime(0), //! current Time | |
68 | fTrigger(0), //! current trigger type | |
69 | fMagF(0), //! current magnetic field | |
c51653e8 | 70 | fTriggerMaskReject(-1), //trigger mask - reject trigger |
71 | fTriggerMaskAccept(-1), //trigger mask - accept trigger | |
2d22fa36 | 72 | fHasLaser(kFALSE), //flag the laser is overlayed with given event |
73 | fRejectLaser(kTRUE), //flag- reject laser | |
15e48021 | 74 | fTriggerClass(), |
ae28e92e | 75 | fDebugLevel(0) |
3ab35fc5 | 76 | { |
77 | // | |
78 | // Constructor | |
79 | // | |
80 | } | |
81 | ||
8cf12c96 | 82 | AliTPCcalibBase::AliTPCcalibBase(const char * name, const char * title): |
83 | TNamed(name,title), | |
84 | fDebugStreamer(0), | |
85 | fStreamLevel(0), | |
86 | fRun(0), //! current Run number | |
87 | fEvent(0), //! current Event number | |
88 | fTime(0), //! current Time | |
89 | fTrigger(0), //! current trigger type | |
90 | fMagF(0), //! current magnetic field | |
91 | fTriggerMaskReject(-1), //trigger mask - reject trigger | |
92 | fTriggerMaskAccept(-1), //trigger mask - accept trigger | |
93 | fHasLaser(kFALSE), //flag the laser is overlayed with given event | |
94 | fRejectLaser(kTRUE), //flag- reject laser | |
15e48021 | 95 | fTriggerClass(), |
8cf12c96 | 96 | fDebugLevel(0) |
97 | { | |
98 | // | |
99 | // Constructor | |
100 | // | |
101 | } | |
102 | ||
ae28e92e | 103 | AliTPCcalibBase::AliTPCcalibBase(const AliTPCcalibBase&calib): |
104 | TNamed(calib), | |
105 | fDebugStreamer(0), | |
106 | fStreamLevel(calib.fStreamLevel), | |
e5cbd73f | 107 | fRun(0), //! current Run number |
108 | fEvent(0), //! current Event number | |
109 | fTime(0), //! current Time | |
110 | fTrigger(0), //! current trigger type | |
111 | fMagF(0), //! current magnetic field | |
c51653e8 | 112 | fTriggerMaskReject(calib.fTriggerMaskReject), //trigger mask - reject trigger |
113 | fTriggerMaskAccept(calib.fTriggerMaskAccept), //trigger mask - accept trigger | |
2d22fa36 | 114 | fHasLaser(calib.fHasLaser), //flag the laser is overlayed with given event |
115 | fRejectLaser(calib.fRejectLaser), //flag- reject laser | |
fe8454d9 | 116 | fTriggerClass(calib.fTriggerClass), |
ae28e92e | 117 | fDebugLevel(calib.fDebugLevel) |
118 | { | |
119 | // | |
120 | // copy constructor | |
121 | // | |
122 | } | |
123 | ||
124 | AliTPCcalibBase &AliTPCcalibBase::operator=(const AliTPCcalibBase&calib){ | |
125 | // | |
126 | // | |
127 | // | |
128 | ((TNamed *)this)->operator=(calib); | |
129 | fDebugStreamer=0; | |
130 | fStreamLevel=calib.fStreamLevel; | |
131 | fDebugLevel=calib.fDebugLevel; | |
525062ee | 132 | return *this; |
ae28e92e | 133 | } |
134 | ||
135 | ||
3ab35fc5 | 136 | AliTPCcalibBase::~AliTPCcalibBase() { |
137 | // | |
138 | // destructor | |
139 | // | |
f7f33dec | 140 | if (fDebugLevel>0) printf("AliTPCcalibBase::~AliTPCcalibBase\n"); |
ae28e92e | 141 | if (fDebugStreamer) delete fDebugStreamer; |
142 | fDebugStreamer=0; | |
143 | } | |
144 | ||
145 | void AliTPCcalibBase::Terminate(){ | |
146 | // | |
147 | // | |
148 | // | |
f7f33dec | 149 | if (fDebugLevel>0) printf("AliTPCcalibBase::Terminate\n"); |
ae28e92e | 150 | if (fDebugStreamer) delete fDebugStreamer; |
151 | fDebugStreamer = 0; | |
152 | return; | |
153 | } | |
154 | ||
155 | TTreeSRedirector *AliTPCcalibBase::GetDebugStreamer(){ | |
156 | // | |
157 | // Get Debug streamer | |
158 | // In case debug streamer not yet initialized and StreamLevel>0 create new one | |
159 | // | |
160 | if (fStreamLevel==0) return 0; | |
161 | if (fDebugStreamer) return fDebugStreamer; | |
162 | TString dsName; | |
163 | dsName=GetName(); | |
164 | dsName+="Debug.root"; | |
165 | dsName.ReplaceAll(" ",""); | |
166 | fDebugStreamer = new TTreeSRedirector(dsName.Data()); | |
167 | return fDebugStreamer; | |
3ab35fc5 | 168 | } |
f7f33dec | 169 | |
170 | ||
108953e9 | 171 | void AliTPCcalibBase::UpdateEventInfo(AliESDEvent * event){ |
172 | // | |
173 | // | |
174 | // | |
175 | fRun = event->GetRunNumber(); | |
176 | fEvent = event->GetEventNumberInFile(); | |
177 | fTime = event->GetTimeStamp(); | |
178 | fTrigger = event->GetTriggerMask(); | |
179 | fMagF = event->GetMagneticField(); | |
15e48021 | 180 | fTriggerClass = event->GetFiredTriggerClasses().Data(); |
2d22fa36 | 181 | fHasLaser = HasLaser(event); |
15e48021 | 182 | |
108953e9 | 183 | } |
184 | ||
2d22fa36 | 185 | |
186 | Bool_t AliTPCcalibBase::HasLaser(AliESDEvent *event){ | |
187 | // | |
188 | // | |
189 | // | |
190 | // Thresholds more than 8 tracks with small dip angle | |
191 | ||
192 | const Int_t kMinLaserTracks = 8; | |
193 | const Float_t kThrLaser = 0.3; | |
194 | const Float_t kLaserTgl = 0.01; | |
195 | ||
196 | Int_t ntracks = event->GetNumberOfTracks(); | |
197 | if (ntracks<kMinLaserTracks) return kFALSE; | |
198 | Float_t nlaser=0; | |
199 | Float_t nall=0; | |
200 | for (Int_t i=0;i<ntracks;++i) { | |
201 | AliESDtrack *track=event->GetTrack(i); | |
202 | if (!track) continue; | |
203 | if (track->GetTPCNcls()<=0) continue; | |
204 | nall++; | |
205 | if (TMath::Abs(track->GetTgl())<kLaserTgl) nlaser++; | |
206 | } | |
207 | if (nlaser>kMinLaserTracks) return kTRUE; | |
208 | if (nall>0 && nlaser/nall>kThrLaser) return kTRUE; | |
209 | return kFALSE; | |
210 | } | |
211 | ||
212 | ||
213 | ||
c51653e8 | 214 | Bool_t AliTPCcalibBase::AcceptTrigger(){ |
215 | // | |
216 | // Apply trigger mask - Don't do calibration for non proper triggers | |
217 | // | |
2d22fa36 | 218 | if (fTriggerMaskReject==(Int_t)fTrigger) return kFALSE; |
219 | if (fTriggerMaskAccept>0 && fTriggerMaskAccept!=(Int_t)fTrigger) return kFALSE; | |
220 | if (fHasLaser && fRejectLaser) return kFALSE; | |
c51653e8 | 221 | return kTRUE; |
222 | } | |
223 | ||
224 | ||
f7f33dec | 225 | void AliTPCcalibBase::RegisterDebugOutput(const char *path){ |
226 | // | |
227 | // store - copy debug output to the destination position | |
228 | // currently ONLY for local copy | |
229 | if (fDebugLevel>0) printf("AliTPCcalibBase::RegisterDebugOutput(%s)\n",path); | |
230 | if (fStreamLevel==0) return; | |
231 | TString dsName; | |
232 | dsName=GetName(); | |
233 | dsName+="Debug.root"; | |
234 | dsName.ReplaceAll(" ",""); | |
235 | TString dsName2=path; | |
236 | gSystem->MakeDirectory(dsName2.Data()); | |
237 | dsName2+=gSystem->HostName(); | |
238 | gSystem->MakeDirectory(dsName2.Data()); | |
239 | dsName2+="/"; | |
47328338 | 240 | TTimeStamp s; |
241 | dsName2+=Int_t(s.GetNanoSec()); | |
242 | dsName2+="/"; | |
243 | gSystem->MakeDirectory(dsName2.Data()); | |
f7f33dec | 244 | dsName2+=dsName; |
245 | AliInfo(Form("copy %s\t%s\n",dsName.Data(),dsName2.Data())); | |
246 | printf("copy %s\t%s\n",dsName.Data(),dsName2.Data()); | |
247 | TFile::Cp(dsName.Data(),dsName2.Data()); | |
248 | } | |
52a5850f | 249 | |
250 | ||
251 | ||
70b0f0bf | 252 | TGraphErrors * AliTPCcalibBase::FitSlices(THnSparse *h, Int_t axisDim1, Int_t axisDim2, Int_t minEntries, Int_t nmaxBin, Float_t fracLow, Float_t fracUp, Bool_t useMedian, TTreeSRedirector *cstream, Int_t ival){ |
52a5850f | 253 | // |
254 | // Fitting slices of the projection(axisDim1,axisDim2) of a sparse histogram | |
255 | // | |
3d549531 | 256 | TF1 funcGaus("funcGaus","gaus"); |
52a5850f | 257 | TH2D * hist = h->Projection(axisDim1, axisDim2); |
258 | Double_t *xvec = new Double_t[hist->GetNbinsX()]; | |
259 | Double_t *yvec = new Double_t[hist->GetNbinsX()]; | |
260 | Double_t *xerr = new Double_t[hist->GetNbinsX()]; | |
261 | Double_t *yerr = new Double_t[hist->GetNbinsX()]; | |
262 | Int_t counter = 0; | |
263 | TH1D * projectionHist =0; | |
264 | // | |
265 | ||
266 | for(Int_t i=1; i < hist->GetNbinsX(); i++) { | |
267 | Int_t nsum=0; | |
268 | Int_t imin = i; | |
269 | Int_t imax = i; | |
270 | ||
271 | for (Int_t idelta=0; idelta<nmaxBin; idelta++){ | |
272 | // | |
273 | imin = TMath::Max(i-idelta,1); | |
274 | imax = TMath::Min(i+idelta,hist->GetNbinsX()); | |
275 | nsum = TMath::Nint(hist->Integral(imin,imax,0,hist->GetNbinsY())); | |
276 | if (nsum==0) break; | |
277 | if (nsum>minEntries) break; | |
278 | } | |
279 | if (nsum<minEntries) continue; | |
280 | // | |
281 | hist->GetXaxis()->SetRange(imin,imax); | |
282 | projectionHist = hist->ProjectionY("gain",imin,imax); | |
283 | // Determine Median: | |
284 | Float_t xMin = projectionHist->GetXaxis()->GetXmin(); | |
285 | Float_t xMax = projectionHist->GetXaxis()->GetXmax(); | |
286 | Float_t xMedian = (xMin+xMax)*0.5; | |
d0b31f57 | 287 | Float_t integral = 0; |
288 | for(Int_t jbin=1; jbin<projectionHist->GetNbinsX()-1; jbin++) { | |
289 | integral+=projectionHist->GetBinContent(jbin); | |
290 | } | |
7f766801 | 291 | //printf("Integral %f\t%f\n",integral, projectionHist->GetSum()); |
52a5850f | 292 | // |
293 | // | |
294 | Float_t currentSum=0; | |
295 | for(Int_t jbin=1; jbin<projectionHist->GetNbinsX()-1; jbin++) { | |
296 | currentSum += projectionHist->GetBinContent(jbin); | |
d0b31f57 | 297 | if (currentSum<fracLow*integral) xMin = projectionHist->GetBinCenter(jbin); |
298 | if (currentSum<fracUp*integral) xMax = projectionHist->GetBinCenter(jbin+1); | |
299 | if (currentSum<0.5*integral && projectionHist->GetBinContent(jbin)>0){ | |
52a5850f | 300 | xMedian = (projectionHist->GetBinCenter(jbin)*projectionHist->GetBinContent(jbin)+ |
301 | projectionHist->GetBinCenter(jbin+1)*projectionHist->GetBinContent(jbin+1))/ | |
302 | (projectionHist->GetBinContent(jbin)+projectionHist->GetBinContent(jbin+1)); | |
303 | } | |
304 | } | |
305 | // | |
306 | Float_t rms = projectionHist->GetRMS(); | |
307 | // i += interval; | |
308 | // | |
309 | Double_t xcenter = hist->GetMean(); | |
310 | Double_t xrms = hist->GetRMS()+hist->GetXaxis()->GetBinWidth(1)/TMath::Sqrt(12.); | |
311 | Double_t binWidth = projectionHist->GetXaxis()->GetBinWidth(1); | |
312 | if (rms>0){ | |
52a5850f | 313 | // cut on +- 4 RMS |
314 | projectionHist->Fit(&funcGaus,"QN","",xMin, xMax); | |
3d549531 | 315 | Double_t chi2 = funcGaus.GetChisquare(); |
52a5850f | 316 | // |
317 | xvec[counter] = xcenter; | |
70b0f0bf | 318 | yvec[counter] = funcGaus.GetParameter(ival); |
52a5850f | 319 | xerr[counter] = xrms; |
70b0f0bf | 320 | yerr[counter] = funcGaus.GetParError(ival); |
3d549531 | 321 | if (useMedian) yvec[counter] = xMedian; |
322 | if (cstream){ | |
323 | (*cstream)<<"fitDebug"<< | |
324 | "xcenter="<<xcenter<< | |
325 | "xMin="<<xMin<< | |
326 | "xMax="<<xMax<< | |
327 | "xMedian="<<xMedian<< | |
328 | "xFitM"<<yvec[counter]<< | |
329 | "xFitS"<<yerr[counter]<< | |
330 | "chi2="<<chi2<< | |
331 | "\n"; | |
332 | } | |
52a5850f | 333 | counter++; |
334 | }else{ | |
335 | xvec[counter] = xcenter; | |
336 | yvec[counter] = xMedian; | |
337 | xerr[counter] = xrms; | |
338 | yerr[counter] = binWidth/TMath::Sqrt(12.); | |
339 | counter++; | |
340 | } | |
341 | delete projectionHist; | |
342 | } | |
343 | ||
344 | TGraphErrors * graphErrors = new TGraphErrors(counter, xvec, yvec, xerr, yerr); | |
345 | delete [] xvec; | |
346 | delete [] yvec; | |
347 | delete [] xerr; | |
348 | delete [] yerr; | |
349 | delete hist; | |
350 | return graphErrors; | |
351 | } |