Adding the preprocessor for calibration
[u/mrichter/AliRoot.git] / TPC / AliTPCPreprocessorOffline.cxx
CommitLineData
da268e11 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 .x ~/rootlogon.C
20 gSystem->Load("libANALYSIS");
21 gSystem->Load("libTPCcalib");
22 .L $ALICE_ROOT/TPC/AliTPCPreprocessorOffline.cxx+
23
24 AliTPCPreprocessorOffline proces;
25 proces.CalibTimeGain(
26
27*/
28
29#if !defined(__CINT__) || defined(__MAKECINT__)
30#include "TMap.h"
31#include "TGraphErrors.h"
32#include "AliExternalTrackParam.h"
33#include "TFile.h"
34#include "TGraph.h"
35#include "TMultiGraph.h"
36#include "TCanvas.h"
37#include "THnSparse.h"
38#include "TLegend.h"
39#include "TPad.h"
40#include "TH2D.h"
41#include "AliTPCROC.h"
42#include "AliTPCCalROC.h"
43
44#include "AliESDfriend.h"
45
46
47#include "AliTPCcalibTime.h"
48#include "AliSplineFit.h"
49#include "AliCDBMetaData.h"
50#include "AliCDBId.h"
51#include "AliCDBManager.h"
52#include "AliCDBStorage.h"
53#include "AliTPCcalibBase.h"
54#include "AliTPCcalibDB.h"
55#include "AliTPCcalibDButil.h"
56#include "AliRelAlignerKalman.h"
57#include "AliTPCParamSR.h"
58#include "AliTPCcalibTimeGain.h"
59#include "AliSplineFit.h"
60#include "AliTPCPreprocessorOffline.h"
61#endif
62
63
64ClassImp(AliTPCPreprocessorOffline)
65
66AliTPCPreprocessorOffline::AliTPCPreprocessorOffline():
67 TNamed("PreprocessorOffline","PreprocessorOffline"),
68 kMinEntries(500), // minimal number of entries for fit
69 startRun(0), // start Run - used to make fast selection in THnSparse
70 endRun(0), // end Run - used to make fast selection in THnSparse
71 startTime(0), // startTime - used to make fast selection in THnSparse
72 endTime(0), // endTime - used to make fast selection in THnSparse
73 ocdbStorage(""), // path to the OCDB storage
74 fVdriftArray(new TObjArray),
75 fTimeDrift(0),
76 fGraphMIP(0), // graph time dependence of MIP
77 fGraphCosmic(0), // graph time dependence at Plateu
78 fFitMIP(0), // fit of dependence - MIP
79 fFitCosmic(0), // fit of dependence - Plateu
80 fGainArray(new TObjArray), // array to be stored in the OCDB
81 fGainMIP(0), // calibration component for MIP
82 fGainCosmic(0) // calibration component for cosmic
83{
84 //
85}
86
87AliTPCPreprocessorOffline::~AliTPCPreprocessorOffline() {
88 //
89 // Destructor
90 //
91}
92
93
94
95
96void AliTPCPreprocessorOffline::GetRunRange(AliTPCcalibTime* fTimeDrift){
97 //
98 // find the fist and last run
99 //
100 TObjArray *hisArray =fTimeDrift->GetHistoDrift();
101 {for (Int_t i=0; i<hisArray->GetEntriesFast(); i++){
102 THnSparse* addHist=(THnSparse*)hisArray->UncheckedAt(i);
103 if (addHist->GetEntries()<kMinEntries) continue;
104 if (!addHist) continue;
105 TH1D* histo =addHist->Projection(3);
106 TH1D* histoTime=addHist->Projection(0);
107 printf("%s\t%f\t%d\t%d\n",histo->GetName(), histo->GetEntries(),histo->FindFirstBinAbove(0),histo->FindLastBinAbove(0));
108
109 if (startRun<=0){
110 startRun=histo->FindFirstBinAbove(0);
111 endRun =histo->FindLastBinAbove(0);
112 }else{
113 startRun=TMath::Min(histo->FindFirstBinAbove(0),startRun);
114 endRun =TMath::Max(histo->FindLastBinAbove(0),endRun);
115 }
116 if (startTime==0){
117 startTime=histoTime->FindFirstBinAbove(0);
118 endTime =histoTime->FindLastBinAbove(0);
119 }else{
120 startTime=TMath::Min(histoTime->FindFirstBinAbove(0),startTime);
121 endTime =TMath::Max(histoTime->FindLastBinAbove(0),endTime);
122 }
123 delete histo;
124 delete histoTime;
125 }}
126 if (startRun<0) startRun=0;
127 if (endRun<0) endRun=100000000;
128 printf("Run range :\t%d-%d\n", startRun, endRun);
129 printf("Time range :\t%d-%d\n", startTime, endTime);
130
131}
132
133
134
135void AliTPCPreprocessorOffline::CalibTimeVdrift(Char_t* file, Int_t ustartRun, Int_t uendRun, TString pocdbStorage){
136 //
137 //
138 //
139 const Int_t kMinEntries=500; // minimal number of entries
140 if (pocdbStorage.Length()>0) ocdbStorage=pocdbStorage;
141 else
142 ocdbStorage="local://"+gSystem->GetFromPipe("pwd")+"/OCDB";
143 //
144 // 1. Initialization and run range setting
145 TFile fcalib(file);
146 fTimeDrift=(AliTPCcalibTime*)fcalib.Get("calibTime");
147 startRun=ustartRun;
148 endRun=ustartRun;
149 TObjArray *hisArray =fTimeDrift->GetHistoDrift();
150 GetRunRange(fTimeDrift);
151 for (Int_t i=0; i<hisArray->GetEntriesFast(); i++){
152 THnSparse* addHist=(THnSparse*)hisArray->At(i);
153 if (!addHist) continue;
154 if (startTime<endTime) addHist->GetAxis(0)->SetRange(startTime-1,endTime+1);
155 if (startRun<endRun) addHist->GetAxis(3)->SetRange(startRun-1,endRun+1);
156 }
157 //
158 //
159 // 2. extraction of the information
160 //
161 fVdriftArray = new TObjArray();
162 AddAlignmentGraphs(fVdriftArray,fTimeDrift);
163 AddHistoGraphs(fVdriftArray,fTimeDrift,kMinEntries);
164 AddLaserGraphs(fVdriftArray,fTimeDrift);
165 //
166 // 3. Append QA plots
167 //
168 MakeDefaultPlots(fVdriftArray,fVdriftArray);
169 //
170 //
171 // 4. update of OCDB
172 //
173 //
174
175 UpdateOCDBDrift(ustartRun,uendRun,ocdbStorage);
176}
177
178void AliTPCPreprocessorOffline::UpdateOCDBDrift( Int_t ustartRun, Int_t uendRun, const char* storagePath ){
179 //
180 // Update OCDB
181 //
182 AliCDBMetaData *metaData= new AliCDBMetaData();
183 metaData->SetObjectClassName("TObjArray");
184 metaData->SetResponsible("Marian Ivanov");
185 metaData->SetBeamPeriod(1);
186 metaData->SetAliRootVersion("05-25-01"); //root version
187 metaData->SetComment("Calibration of the time dependence of the drift velocity");
188 AliCDBId* id1=NULL;
189 id1=new AliCDBId("TPC/Calib/TimeDrift", ustartRun, uendRun);
190 AliCDBStorage* gStorage = AliCDBManager::Instance()->GetStorage(storagePath);
191 gStorage->Put(fVdriftArray, (*id1), metaData);
192}
193
194
195
196void AliTPCPreprocessorOffline::UpdateDriftParam(AliTPCParam *param, TObjArray *arr, Int_t startRun){
197 //
198 // update the OCDB entry for the nominal time0
199 //
200 //
201 // AliTPCParam * param = AliTPCcalibDB::Instance()->GetParameters();
202 AliTPCParam *paramNew = (AliTPCParam *)param->Clone();
203 TGraphErrors *grT = (TGraphErrors *)arr->FindObject("ALIGN_ITSM_TPC_T0");
204 Double_t deltaTcm = TMath::Median(grT->GetN(),grT->GetY());
205 Double_t deltaT = deltaTcm/param->GetDriftV();
206 paramNew->SetL1Delay(param->GetL1Delay()-deltaT);
207 paramNew->Update();
208
209 AliCDBMetaData *metaData= new AliCDBMetaData();
210 metaData->SetObjectClassName("TObjArray");
211 metaData->SetResponsible("Marian Ivanov");
212 metaData->SetBeamPeriod(1);
213 metaData->SetAliRootVersion("05-25-02"); //root version
214 metaData->SetComment("Updated calibration of nominal time 0");
215 AliCDBId* id1=NULL;
216 id1=new AliCDBId("TPC/Calib/Parameters", startRun, AliCDBRunRange::Infinity());
217 AliCDBStorage* gStorage = AliCDBManager::Instance()->GetStorage(ocdbStorage);
218 gStorage->Put(param, (*id1), metaData);
219
220}
221
222
223void AliTPCPreprocessorOffline::PrintArray(TObjArray *array){
224 //
225 //
226 //
227 Int_t entries = array->GetEntries();
228 for (Int_t i=0; i<entries; i++){
229 if (!array->At(i)) continue;
230 printf("%d\t %s\n", i, array->At(i)->GetName());
231 }
232}
233
234
235
236TGraphErrors* AliTPCPreprocessorOffline::FilterGraphDrift(TGraphErrors * graph, Float_t errSigmaCut, Float_t medianCutAbs){
237 // 2 filters:
238 // 1. filter graph - error cut errSigmaCut
239 // 2. filter graph - medianCutAbs around median
240 //
241 // errSigmaCut - cut on error
242 // medianCutAbs - cut on value around median
243 Double_t dummy=0; //
244 //
245 // 1. filter graph - error cut errSigmaCut
246 //
247 TGraphErrors *graphF;
248 graphF = AliTPCcalibDButil::FilterGraphMedianErr(graph,errSigmaCut,dummy);
249 delete graph;
250 if (!graphF) return 0;
251 graph = AliTPCcalibDButil::FilterGraphMedianErr(graphF,errSigmaCut,dummy);
252 delete graphF;
253 if (!graph) return 0;
254 //
255 // filter graph - kMedianCutAbs around median
256 //
257 graphF=FilterGraphMedianAbs(graph, medianCutAbs,dummy);
258 delete graph;
259 if (!graphF) return 0;
260 graph=FilterGraphMedianAbs(graphF, medianCutAbs,dummy);
261 delete graphF;
262 if (!graph) return 0;
263 return graph;
264}
265
266
267
268TGraphErrors* AliTPCPreprocessorOffline::FilterGraphMedianAbs(TGraphErrors * graph, Float_t cut,Double_t &medianY){
269 //
270 // filter outlyer measurement
271 // Only points around median +- cut filtered
272 //
273 if (!graph) return 0;
274 Int_t kMinPoints=2;
275 Int_t npoints0 = graph->GetN();
276 Int_t npoints=0;
277 Float_t rmsY=0;
278 Double_t *outx=new Double_t[npoints0];
279 Double_t *outy=new Double_t[npoints0];
280 Double_t *errx=new Double_t[npoints0];
281 Double_t *erry=new Double_t[npoints0];
282 //
283 //
284 if (npoints0<kMinPoints) return 0;
285 for (Int_t iter=0; iter<3; iter++){
286 npoints=0;
287 for (Int_t ipoint=0; ipoint<npoints0; ipoint++){
288 if (graph->GetY()[ipoint]==0) continue;
289 if (iter>0 &&TMath::Abs(graph->GetY()[ipoint]-medianY)>cut) continue;
290 outx[npoints] = graph->GetX()[ipoint];
291 outy[npoints] = graph->GetY()[ipoint];
292 errx[npoints] = graph->GetErrorX(ipoint);
293 erry[npoints] = graph->GetErrorY(ipoint);
294 npoints++;
295 }
296 if (npoints<=1) break;
297 medianY =TMath::Median(npoints,outy);
298 rmsY =TMath::RMS(npoints,outy);
299 }
300 TGraphErrors *graphOut=0;
301 if (npoints>1) graphOut= new TGraphErrors(npoints,outx,outy,errx,erry);
302 return graphOut;
303}
304
305
306void AliTPCPreprocessorOffline::AddHistoGraphs( TObjArray * vdriftArray, AliTPCcalibTime *timeDrift, Int_t minEntries){
307 //
308 // Add graphs corresponding to the alignment
309 //
310 const Double_t kErrSigmaCut=5; // error sigma cut - for filtering
311 const Double_t kMedianCutAbs=0.03; // error sigma cut - for filtering
312 //
313 TObjArray * array=timeDrift->GetHistoDrift();
314 if (array){
315 THnSparse* hist=NULL;
316 // 2.a) cosmics with different triggers
317 for (Int_t i=0; i<array->GetEntriesFast();i++){
318 hist=(THnSparseF*)array->UncheckedAt(i);
319 if(!hist) continue;
320 if (hist->GetEntries()<minEntries) continue;
321 //hist->Print();
322 TString name=hist->GetName();
323 Int_t dim[4]={0,1,2,3};
324 THnSparse* newHist=hist->Projection(4,dim);
325 newHist->SetName(name);
326 TGraphErrors* graph=AliTPCcalibBase::FitSlices(newHist,2,0,400,100,0.05,0.95, kTRUE);
327 printf("name=%s graph=%i, N=%i\n", name.Data(), graph==0, graph->GetN());
328 Int_t pos=name.Index("_");
329 name=name(pos,name.Capacity()-pos);
330 TString graphName=graph->ClassName();
331 graphName+=name;
332 graphName.ToUpper();
333 //
334 graph = FilterGraphDrift(graph, kErrSigmaCut, kMedianCutAbs);
335 if (!graph) {
336 printf("Graph =%s filtered out\n", name.Data());
337 continue;
338 }
339 //
340 graph->SetMarkerStyle(i%8+20);
341 graph->SetMarkerColor(i%7);
342 graph->GetXaxis()->SetTitle("Time");
343 graph->GetYaxis()->SetTitle("v_{dcor}");
344 graph->SetName(graphName);
345 graph->SetTitle(graphName);
346 printf("Graph %d\t=\t%s\n", i, graphName.Data());
347 vdriftArray->Add(graph);
348 }
349 }
350}
351
352
353
354
355void AliTPCPreprocessorOffline::AddAlignmentGraphs( TObjArray * vdriftArray, AliTPCcalibTime *timeDrift){
356 //
357 // Add graphs corresponding to alignment to the object array
358 //
359 TObjArray *arrayITS=0;
360 TObjArray *arrayTOF=0;
361 TObjArray *arrayTRD=0;
362 TMatrixD *mstatITS=0;
363 TMatrixD *mstatTOF=0;
364 TMatrixD *mstatTRD=0;
365 //
366 arrayITS=timeDrift->GetAlignITSTPC();
367 arrayTRD=timeDrift->GetAlignTRDTPC();
368 arrayTOF=timeDrift->GetAlignTOFTPC();
369
370 if (arrayITS->GetEntries()>0) mstatITS= AliTPCcalibDButil::MakeStatRelKalman(arrayITS,0.9,50,0.025);
371 if (arrayTOF->GetEntries()>0) mstatTOF= AliTPCcalibDButil::MakeStatRelKalman(arrayTOF,0.9,1000,0.025);
372 if (arrayTRD->GetEntries()>0) mstatTRD= AliTPCcalibDButil::MakeStatRelKalman(arrayTRD,0.9,50,0.025);
373 //
374 TObjArray * arrayITSP= AliTPCcalibDButil::SmoothRelKalman(arrayITS,*mstatITS, 0, 5.);
375 TObjArray * arrayITSM= AliTPCcalibDButil::SmoothRelKalman(arrayITS,*mstatITS, 1, 5.);
376 TObjArray * arrayITSB= AliTPCcalibDButil::SmoothRelKalman(arrayITSP,arrayITSM);
377 TObjArray * arrayTOFP= AliTPCcalibDButil::SmoothRelKalman(arrayTOF,*mstatTOF, 0, 5.);
378 TObjArray * arrayTOFM= AliTPCcalibDButil::SmoothRelKalman(arrayTOF,*mstatTOF, 1, 5.);
379 TObjArray * arrayTOFB= AliTPCcalibDButil::SmoothRelKalman(arrayTOFP,arrayTOFM);
380
381 TObjArray * arrayTRDP= 0x0;
382 TObjArray * arrayTRDM= 0x0;
383 TObjArray * arrayTRDB= 0x0;
384 arrayTRDP= AliTPCcalibDButil::SmoothRelKalman(arrayTRD,*mstatTRD, 0, 5.);
385 arrayTRDM= AliTPCcalibDButil::SmoothRelKalman(arrayTRD,*mstatTRD, 1, 5.);
386 arrayTRDB= AliTPCcalibDButil::SmoothRelKalman(arrayTRDP,arrayTRDM);
387 //
388 //
389 Int_t entries=TMath::Max(arrayITS->GetEntriesFast(),arrayTOF->GetEntriesFast());
390 TObjArray *arrays[12]={arrayITS, arrayITSP, arrayITSM, arrayITSB,
391 arrayTRD, arrayTRDP, arrayTRDM, arrayTRDB,
392 arrayTOF, arrayTOFP, arrayTOFM, arrayTOFB};
393 TString grnames[12]={"ALIGN_ITS", "ALIGN_ITSP", "ALIGN_ITSM", "ALIGN_ITSB",
394 "ALIGN_TRD", "ALIGN_TRDP", "ALIGN_TRDM","ALIGN_TRDB",
395 "ALIGN_TOF", "ALIGN_TOFP", "ALIGN_TOFM","ALIGN_TOFB"};
396 TString grpar[9]={"DELTAPSI", "DELTATHETA", "DELTAPHI",
397 "DELTAX", "DELTAY", "DELTAZ",
398 "DRIFTVD", "T0", "VDGY"};
399
400
401 TVectorD vX(entries);
402 TVectorD vY(entries);
403 TVectorD vEx(entries);
404 TVectorD vEy(entries);
405 TObjArray *arr=0;
406 for (Int_t iarray=0; iarray<12; iarray++){
407 arr = arrays[iarray];
408 if (arr==0) continue;
409 for (Int_t ipar=0; ipar<9; ipar++){
410 Int_t counter=0;
411 for (Int_t itime=0; itime<arr->GetEntriesFast(); itime++){
412 AliRelAlignerKalman * kalman = (AliRelAlignerKalman *) arr->UncheckedAt(itime);
413 if (!kalman) continue;
414 vX[counter]=kalman->GetTimeStamp();
415 vY[counter]=(*(kalman->GetState()))[ipar];
416 if (ipar==6) vY[counter]=1./(*(kalman->GetState()))[ipar]-1;
417 vEx[counter]=0;
418 vEy[counter]=TMath::Sqrt((*(kalman->GetStateCov()))(ipar,ipar));
419 counter++;
420 }
421
422 TGraphErrors * graph=new TGraphErrors(counter, vX.GetMatrixArray(),
423 vY.GetMatrixArray(),
424 vEx.GetMatrixArray(),
425 vEy.GetMatrixArray());
426 TString grName=grnames[iarray];
427 grName+="_TPC_";
428 grName+=grpar[ipar];
429 graph->SetName(grName.Data());
430 vdriftArray->AddLast(graph);
431 }
432 }
433}
434
435
436
437
438void AliTPCPreprocessorOffline::AddLaserGraphs( TObjArray * vdriftArray, AliTPCcalibTime *timeDrift){
439 //
440 // add graphs for laser
441 //
442 const Double_t delayL0L1 = 0.071; //this is hack for 1/2 weeks
443 THnSparse *hisN=0;
444 TGraphErrors *grLaser[6]={0,0,0,0,0,0};
445 hisN = timeDrift->GetHistVdriftLaserA(0);
446 if (timeDrift->GetHistVdriftLaserA(0)){
447 grLaser[0]=MakeGraphFilter0(timeDrift->GetHistVdriftLaserA(0),0,2,5,delayL0L1);
448 grLaser[0]->SetName("GRAPH_MEAN_DELAY_LASER_ALL_A");
449 vdriftArray->AddLast(grLaser[0]);
450 }
451 if (timeDrift->GetHistVdriftLaserA(1)){
452 grLaser[1]=MakeGraphFilter0(timeDrift->GetHistVdriftLaserA(1),0,2,5);
453 grLaser[1]->SetName("GRAPH_MEAN_DRIFT_LASER_ALL_A");
454 vdriftArray->AddLast(grLaser[1]);
455 }
456 if (timeDrift->GetHistVdriftLaserA(2)){
457 grLaser[2]=MakeGraphFilter0(timeDrift->GetHistVdriftLaserA(2),0,2,5);
458 grLaser[2]->SetName("GRAPH_MEAN_GLOBALYGRADIENT_LASER_ALL_A");
459 vdriftArray->AddLast(grLaser[2]);
460 }
461 if (timeDrift->GetHistVdriftLaserC(0)){
462 grLaser[3]=MakeGraphFilter0(timeDrift->GetHistVdriftLaserC(0),0,2,5,delayL0L1);
463 grLaser[3]->SetName("GRAPH_MEAN_DELAY_LASER_ALL_C");
464 vdriftArray->AddLast(grLaser[3]);
465 }
466 if (timeDrift->GetHistVdriftLaserC(1)){
467 grLaser[4]=MakeGraphFilter0(timeDrift->GetHistVdriftLaserC(1),0,2,5);
468 grLaser[4]->SetName("GRAPH_MEAN_DRIFT_LASER_ALL_C");
469 vdriftArray->AddLast(grLaser[4]);
470 }
471 if (timeDrift->GetHistVdriftLaserC(2)){
472 grLaser[5]=MakeGraphFilter0(timeDrift->GetHistVdriftLaserC(2),0,2,5);
473 grLaser[5]->SetName("GRAPH_MEAN_GLOBALYGRADIENT_LASER_ALL_C");
474 vdriftArray->AddLast(grLaser[5]);
475 }
476 for (Int_t i=0; i<6;i++){
477 if (grLaser[i]) {
478 SetDefaultGraphDrift(grLaser[i], 1,(i+20));
479 grLaser[i]->GetYaxis()->SetTitle("Laser Correction");
480 }
481 }
482}
483
484
485TGraphErrors * AliTPCPreprocessorOffline::MakeGraphFilter0(THnSparse *hisN, Int_t itime, Int_t ival, Int_t minEntries, Double_t offset){
486 //
487 // Make graph with mean values and rms
488 //
489 hisN->GetAxis(itime)->SetRange(0,100000000);
490 hisN->GetAxis(ival)->SetRange(0,100000000);
491 TH1 * hisT = hisN->Projection(itime);
492 TH1 * hisV = hisN->Projection(ival);
493 //
494 Int_t firstBinA = hisT->FindFirstBinAbove(2);
495 Int_t lastBinA = hisT->FindLastBinAbove(2);
496 Int_t firstBinV = hisV->FindFirstBinAbove(0);
497 Int_t lastBinV = hisV->FindLastBinAbove(0);
498 hisN->GetAxis(itime)->SetRange(firstBinA,lastBinA);
499 hisN->GetAxis(ival)->SetRange(firstBinV,lastBinV);
500 Int_t entries=0;
501 for (Int_t ibin=firstBinA; ibin<lastBinA; ibin++){
502 Double_t cont = hisT->GetBinContent(ibin);
503 if (cont<minEntries) continue;
504 entries++;
505 }
506 TVectorD vecTime(entries);
507 TVectorD vecMean0(entries);
508 TVectorD vecRMS0(entries);
509 TVectorD vecMean1(entries);
510 TVectorD vecRMS1(entries);
511 entries=0;
512 {for (Int_t ibin=firstBinA; ibin<lastBinA; ibin++){
513 Double_t cont = hisT->GetBinContent(ibin);
514 if (cont<minEntries) continue;
515 hisN->GetAxis(itime)->SetRange(ibin-1,ibin+1);
516 Double_t time = hisT->GetBinCenter(ibin);
517 TH1 * his = hisN->Projection(ival);
518 Double_t nentries0= his->GetBinContent(his->FindBin(0));
519 if (cont-nentries0<minEntries) continue;
520 //
521 his->SetBinContent(his->FindBin(0),0);
522 vecTime[entries]=time;
523 vecMean0[entries]=his->GetMean()+offset;
524 vecMean1[entries]=his->GetMeanError();
525 vecRMS0[entries] =his->GetRMS();
526 vecRMS1[entries] =his->GetRMSError();
527 delete his;
528 entries++;
529 }}
530 delete hisT;
531 delete hisV;
532 TGraphErrors * graph = new TGraphErrors(entries,vecTime.GetMatrixArray(), vecMean0.GetMatrixArray(), 0, vecMean1.GetMatrixArray());
533 return graph;
534}
535
536
537
538
539
540
541
542
543void AliTPCPreprocessorOffline::SetDefaultGraphDrift(TGraph *graph, Int_t color, Int_t style){
544 //
545 //
546 //
547 graph->GetXaxis()->SetTimeDisplay(kTRUE);
548 graph->GetXaxis()->SetTimeFormat("#splitline{%d/%m}{%H:%M}");
549 graph->SetMaximum( 0.025);
550 graph->SetMinimum(-0.025);
551 graph->GetXaxis()->SetTitle("Time");
552 graph->GetYaxis()->SetTitle("v_{dcorr}");
553 //
554 graph->GetYaxis()->SetLabelSize(0.03);
555 graph->GetXaxis()->SetLabelSize(0.03);
556 //
557 graph->GetXaxis()->SetNdivisions(10,5,0);
558 graph->GetYaxis()->SetNdivisions(10,5,0);
559 //
560 graph->GetXaxis()->SetLabelOffset(0.02);
561 graph->GetYaxis()->SetLabelOffset(0.005);
562 //
563 graph->GetXaxis()->SetTitleOffset(1.3);
564 graph->GetYaxis()->SetTitleOffset(1.2);
565 //
566 graph->SetMarkerColor(color);
567 graph->SetLineColor(color);
568 graph->SetMarkerStyle(style);
569}
570
571void AliTPCPreprocessorOffline::SetPadStyle(TPad *pad, Float_t mx0, Float_t mx1, Float_t my0, Float_t my1){
572 //
573 //
574 pad->SetTicks(1,1);
575 pad->SetMargin(mx0,mx1,my0,my1);
576}
577
578
579void AliTPCPreprocessorOffline::MakeDefaultPlots(TObjArray * arr, TObjArray *picArray){
580 //
581 //
582 //
583 // margins
584 Float_t mx0=0.12, mx1=0.1, my0=0.15, my1=0.1;
585 //
586 TGraphErrors* laserA =(TGraphErrors*)arr->FindObject("GRAPH_MEAN_DRIFT_LASER_ALL_A");
587 TGraphErrors* laserC =(TGraphErrors*)arr->FindObject("GRAPH_MEAN_DRIFT_LASER_ALL_C");
588 TGraphErrors* cosmic =(TGraphErrors*)arr->FindObject("TGRAPHERRORS_MEAN_VDRIFT_COSMICS_ALL");
589 TGraphErrors* cross =(TGraphErrors*)arr->FindObject("TGRAPHERRORS_VDRIFT_CROSS_ALL");
590 TGraphErrors* itstpcP =(TGraphErrors*)arr->FindObject("ALIGN_ITSP_TPC_DRIFTVD");
591 TGraphErrors* itstpcM =(TGraphErrors*)arr->FindObject("ALIGN_ITSM_TPC_DRIFTVD");
592 TGraphErrors* itstpcB =(TGraphErrors*)arr->FindObject("ALIGN_ITSB_TPC_DRIFTVD");
593 //
594 if (laserA) SetDefaultGraphDrift(laserA,2,25);
595 if (laserC) SetDefaultGraphDrift(laserC,4,26);
596 if (cosmic) SetDefaultGraphDrift(cosmic,3,27);
597 if (cross) SetDefaultGraphDrift(cross,4,28);
598 if (itstpcP) SetDefaultGraphDrift(itstpcP,2,29);
599 if (itstpcM) SetDefaultGraphDrift(itstpcM,4,30);
600 if (itstpcB) SetDefaultGraphDrift(itstpcB,1,31);
601 //
602 //
603 TPad *pad=0;
604 //
605 // Laser-Laser
606 //
607 if (laserA&&laserC){
608 pad = new TCanvas("TPCLaserVDrift","TPCLaserVDrift");
609 laserA->Draw("alp");
610 SetPadStyle(pad,mx0,mx1,my0,my1);
611 laserA->Draw("apl");
612 laserC->Draw("p");
613 TLegend *legend = new TLegend(mx0+0.01,1-my1-0.2, 0.5, 1-my1-0.01, "Drift velocity correction");
614 legend->AddEntry(laserA,"Laser A side");
615 legend->AddEntry(laserC,"Laser C side");
616 legend->Draw();
617 picArray->AddLast(pad);
618 }
619
620 if (itstpcP&&itstpcM){
621 pad = new TCanvas("ITSTPC","ITSTPC");
622 itstpcP->Draw("alp");
623 SetPadStyle(pad,mx0,mx1,my0,my1);
624 itstpcP->Draw("alp");
625 gPad->Clear();
626 itstpcM->Draw("apl");
627 itstpcP->Draw("p");
628 itstpcB->Draw("p");
629 TLegend *legend = new TLegend(mx0+0.01,1-my1-0.2, 0.5, 1-my1-0.01, "Drift velocity correction");
630 legend->AddEntry(itstpcP,"ITS-TPC smooth plus");
631 legend->AddEntry(itstpcM,"ITS-TPC smooth minus");
632 legend->AddEntry(itstpcB,"ITS-TPC smooth ");
633 legend->Draw();
634 picArray->AddLast(pad);
635 }
636
637 if (itstpcB&&laserA){
638 pad = new TCanvas("ITSTPC_LASER","ITSTPC_LASER");
639 SetPadStyle(pad,mx0,mx1,my0,my1);
640 laserA->Draw("alp");
641 itstpcP->Draw("p");
642 itstpcM->Draw("p");
643 itstpcB->Draw("p");
644 TLegend *legend = new TLegend(mx0+0.01,1-my1-0.2, 0.5, 1-my1-0.01, "Drift velocity correction");
645 legend->AddEntry(laserA,"TPC laser");
646 legend->AddEntry(itstpcP,"ITS-TPC smooth plus");
647 legend->AddEntry(itstpcM,"ITS-TPC smooth minus");
648 legend->AddEntry(itstpcB,"ITS-TPC smooth ");
649 legend->Draw();
650 picArray->AddLast(pad);
651 }
652
653 if (itstpcP&&cross){
654 pad = new TCanvas("ITSTPC_CROSS","ITSTPC_CROSS");
655 SetPadStyle(pad,mx0,mx1,my0,my1);
656 itstpcP->Draw("alp");
657 pad->Clear();
658 cross->Draw("ap");
659 itstpcP->Draw("p");
660 //
661 TLegend *legend = new TLegend(mx0+0.01,1-my1-0.2, 0.5, 1-my1-0.01, "Drift velocity correction");
662
663 legend->AddEntry(cross,"TPC cross tracks");
664 legend->AddEntry(itstpcB,"ITS-TPC smooth");
665 legend->Draw();
666 picArray->AddLast(pad);
667 }
668 if (itstpcP&&cosmic){
669 pad = new TCanvas("ITSTPC_COSMIC","ITSTPC_COSMIC");
670 SetPadStyle(pad,mx0,mx1,my0,my1);
671 itstpcP->Draw("alp");
672 pad->Clear();
673 cosmic->Draw("ap");
674 itstpcP->Draw("p");
675 //
676 TLegend *legend = new TLegend(mx0+0.01,1-my1-0.2, 0.5, 1-my1-0.01, "Drift velocity correction");
677
678 legend->AddEntry(cosmic,"TPC cross tracks0 up-down");
679 legend->AddEntry(itstpcB,"ITS-TPC smooth");
680 legend->Draw();
681 picArray->AddLast(pad);
682 }
683}
684
685
686
687
688void AliTPCPreprocessorOffline::CalibTimeGain(Char_t* fileName, Int_t startRunNumber, Int_t endRunNumber, TString ocdbStorage){
689 //
690 // Update OCDB gain
691 //
692 ReadGainGlobal(fileName);
693 AnalyzeGain(startRunNumber,endRunNumber, 1000,1.43);
694 MakeQAPlot(1.43);
695 if (ocdbStorage.Length()==0) ocdbStorage+="local://"+gSystem->GetFromPipe("pwd")+"/OCDB";
696 UpdateOCDBGain( startRunNumber, endRunNumber, ocdbStorage.Data());
697}
698
699
700
701
702void AliTPCPreprocessorOffline::ReadGainGlobal(Char_t* fileName){
703 //
704 // read calibration entries from file
705 //
706 TFile fcalib(fileName);
707 TObjArray * array = (TObjArray*)fcalib.Get("TPCCalib");
708 if (array){
709 fGainMIP = ( AliTPCcalibTimeGain *)array->FindObject("calibTimeGain");
710 fGainCosmic = ( AliTPCcalibTimeGain *)array->FindObject("calibTimeGainCosmic");
711 }else{
712 fGainMIP = ( AliTPCcalibTimeGain *)fcalib.Get("calibTimeGain");
713 fGainCosmic = ( AliTPCcalibTimeGain *)fcalib.Get("calibTimeGainCosmic");
714 }
715 TH1 * hisT=0;
716 Int_t firstBinA =0, lastBinA=0;
717
718 if (fGainCosmic){
719 hisT= fGainCosmic->GetHistGainTime()->Projection(1);
720 firstBinA = hisT->FindFirstBinAbove(2);
721 lastBinA = hisT->FindLastBinAbove(2);
722 fGainCosmic->GetHistGainTime()->GetAxis(1)->SetRange(firstBinA,lastBinA);
723 delete hisT;
724 }
725
726 if (fGainMIP){
727 hisT= fGainMIP->GetHistGainTime()->Projection(1);
728 firstBinA = hisT->FindFirstBinAbove(2);
729 lastBinA = hisT->FindLastBinAbove(2);
730 fGainMIP->GetHistGainTime()->GetAxis(1)->SetRange(firstBinA,lastBinA);
731 delete hisT;
732 }
733
734}
735
736
737
738Bool_t AliTPCPreprocessorOffline::AnalyzeGain(Int_t startRunNumber, Int_t endRunNumber, Int_t minEntriesGaussFit, Float_t FPtoMIPratio){
739 //
740 //
741 //
742 fGainMIP->GetHistGainTime()->GetAxis(5)->SetRangeUser(startRunNumber, endRunNumber);
743 // 1.) try to create MIP spline
744 fGainMIP->GetHistGainTime()->GetAxis(2)->SetRangeUser(1.51,2.49); // only beam data
745 fGainMIP->GetHistGainTime()->GetAxis(4)->SetRangeUser(0.39,0.51); // only MIP pions
746 //
747 fGraphMIP = AliTPCcalibBase::FitSlices(fGainMIP->GetHistGainTime(),0,1,minEntriesGaussFit,10,0.1,0.7);
748 if (fGraphMIP->GetN()==0) fGraphMIP = 0x0;
749 if (fGraphMIP) fFitMIP = AliTPCcalibTimeGain::MakeSplineFit(fGraphMIP);
750 if (fGraphMIP) fGraphMIP->SetName("TGRAPHERRORS_MEAN_GAIN_BEAM_ALL");// set proper names according to naming convention
751 fGainArray->AddAt(fFitMIP,0);
752
753
754 // 2.) try to create Cosmic spline
755 fGainCosmic->GetHistGainTime()->GetAxis(2)->SetRangeUser(0.51,1.49); // only cosmics
756 fGainCosmic->GetHistGainTime()->GetAxis(4)->SetRangeUser(20,100); // only Fermi-Plateau muons
757 //
758 fGraphCosmic = AliTPCcalibBase::FitSlices(fGainCosmic->GetHistGainTime(),0,1,minEntriesGaussFit,10);
759 if (fGraphCosmic->GetN()==0) fGraphCosmic = 0x0;
760 //
761 if (fGraphCosmic) {
762 for(Int_t i=0; i < fGraphCosmic->GetN(); i++) {
763 fGraphCosmic->GetY()[i] /= FPtoMIPratio;
764 fGraphCosmic->GetEY()[i] /= FPtoMIPratio;
765 }
766 }
767 //
768 if (fGraphCosmic) fFitCosmic = AliTPCcalibTimeGain::MakeSplineFit(fGraphCosmic);
769 if (fGraphCosmic) fGraphCosmic->SetName("TGRAPHERRORS_MEAN_GAIN_COSMIC_ALL"); // set proper names according to naming convention
770 fGainArray->AddAt(fFitCosmic,1);
771 // with naming convention and backward compatibility
772 fGainArray->AddAt(fGraphMIP,2);
773 fGainArray->AddAt(fGraphCosmic,3);
774 cout << "fGraphCosmic: " << fGraphCosmic << " fGraphMIP " << fGraphMIP << endl;
775 return kTRUE;
776
777}
778
779
780
781void AliTPCPreprocessorOffline::UpdateOCDBGain(Int_t startRunNumber, Int_t endRunNumber, const Char_t *storagePath){
782 //
783 // Update OCDB entry
784 //
785 AliCDBMetaData *metaData= new AliCDBMetaData();
786 metaData->SetObjectClassName("TObjArray");
787 metaData->SetResponsible("Alexander Kalweit");
788 metaData->SetBeamPeriod(1);
789 metaData->SetAliRootVersion("05-24-00"); //root version
790 metaData->SetComment("Calibration of the time dependence of the gain due to pressure and temperature changes.");
791 AliCDBId id1("TPC/Calib/TimeGain", startRunNumber, endRunNumber);
792 AliCDBStorage * gStorage = AliCDBManager::Instance()->GetStorage(storagePath);
793 gStorage->Put(fGainArray, id1, metaData);
794}
795
796void AliTPCPreprocessorOffline::MakeQAPlot(Float_t FPtoMIPratio) {
797 //
798 // Make QA plot to visualize results
799 //
800 //
801 //
802 if (fGraphCosmic) {
803 TCanvas * canvasCosmic = new TCanvas("gain Cosmic", "time dependent gain QA histogram cosmic");
804 canvasCosmic->cd();
805 TH2D * gainHistoCosmic = fGainCosmic->GetHistGainTime()->Projection(0,1);
806 gainHistoCosmic->SetDirectory(0);
807 gainHistoCosmic->SetName("GainHistoCosmic");
808 gainHistoCosmic->GetXaxis()->SetTimeDisplay(kTRUE);
809 gainHistoCosmic->GetXaxis()->SetTimeFormat("#splitline{%d/%m}{%H:%M}");
810 gainHistoCosmic->Draw("colz");
811 fGraphCosmic->SetMarkerStyle(25);
812 fGraphCosmic->Draw("lp");
813 fGraphCosmic->SetMarkerStyle(25);
814 TGraph * grfFitCosmic = fFitCosmic->MakeGraph(fGraphCosmic->GetX()[0],fGraphCosmic->GetX()[fGraphCosmic->GetN()-1],50000,0);
815 if (grfFitCosmic) {
816 for(Int_t i=0; i < grfFitCosmic->GetN(); i++) {
817 grfFitCosmic->GetY()[i] *= FPtoMIPratio;
818 }
819 for(Int_t i=0; i < fGraphCosmic->GetN(); i++) {
820 fGraphCosmic->GetY()[i] *= FPtoMIPratio;
821 }
822 }
823 fGraphCosmic->Draw("lp");
824 grfFitCosmic->SetLineColor(2);
825 grfFitCosmic->Draw("lu");
826 fGainArray->AddLast(gainHistoCosmic);
827 fGainArray->AddLast(canvasCosmic->Clone());
828 delete canvasCosmic;
829 }
830 if (fFitMIP) {
831 TCanvas * canvasMIP = new TCanvas("gain MIP", "time dependent gain QA histogram MIP");
832 canvasMIP->cd();
833 TH2D * gainHistoMIP = fGainMIP->GetHistGainTime()->Projection(0,1);
834 gainHistoMIP->SetName("GainHistoCosmic");
835 gainHistoMIP->SetDirectory(0);
836 gainHistoMIP->GetXaxis()->SetTimeDisplay(kTRUE);
837 gainHistoMIP->GetXaxis()->SetTimeFormat("#splitline{%d/%m}{%H:%M}");
838 gainHistoMIP->Draw("colz");
839 fGraphMIP->SetMarkerStyle(25);
840 fGraphMIP->Draw("lp");
841 TGraph * grfFitMIP = fFitMIP->MakeGraph(fGraphMIP->GetX()[0],fGraphMIP->GetX()[fGraphMIP->GetN()-1],50000,0);
842 grfFitMIP->SetLineColor(2);
843 grfFitMIP->Draw("lu");
844 fGainArray->AddLast(gainHistoMIP);
845 fGainArray->AddLast(canvasMIP->Clone());
846 delete canvasMIP;
847 }
848}
849
850
851