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add new classes for PID truncated mean (Xianguo)
[u/mrichter/AliRoot.git] / TRD / AliTRDdEdxUtils.cxx
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fb3d369e 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// class to calculate TRD dEdx
18// xx
19// xx
20// xx
21// xx
22//
23// Xianguo Lu
24// lu@physi.uni-heidelberg.de
25// Xianguo.Lu@cern.ch
26//
27//
28
29
30#include "TF1.h"
31#include "TFile.h"
32#include "TH1D.h"
33#include "TH2D.h"
34#include "THnSparse.h"
35#include "TMath.h"
36#include "TMatrixD.h"
37#include "TMinuit.h"
38#include "TObjArray.h"
39#include "TRandom3.h"
40#include "TStopwatch.h"
41#include "TVectorD.h"
42
43#include "TTreeStream.h"
44
45#include "AliCDBId.h"
46#include "AliCDBMetaData.h"
47#include "AliCDBStorage.h"
48#include "AliESDEvent.h"
49#include "AliESDfriendTrack.h"
50#include "AliESDtrack.h"
51#include "AliTRDtrackV1.h"
52
53#include "AliTRDdEdxUtils.h"
54
55#define EPSILON 1e-12
56
57THnSparseD * AliTRDdEdxUtils::fgHistGain=0x0;
58THnSparseD * AliTRDdEdxUtils::fgHistT0=0x0;
59THnSparseD * AliTRDdEdxUtils::fgHistVd=0x0;
60TObjArray * AliTRDdEdxUtils::fgHistPHQ=new TObjArray(8);
61
62TString AliTRDdEdxUtils::fgCalibFile;
63TObjArray * AliTRDdEdxUtils::fgObjGain = 0x0;
64TObjArray * AliTRDdEdxUtils::fgObjT0 = 0x0;
65TObjArray * AliTRDdEdxUtils::fgObjVd = 0x0;
66TObjArray * AliTRDdEdxUtils::fgObjPHQ = 0x0;
67
68Int_t AliTRDdEdxUtils::fgNchamber = -999;
69Double_t AliTRDdEdxUtils::fgChamberQ[6];
70Double_t AliTRDdEdxUtils::fgChamberTmean[6];
71
72Double_t AliTRDdEdxUtils::fgTrackTmean = -999;
73
74//===================================================================================
75// Math and Histogram
76//===================================================================================
77void AliTRDdEdxUtils::GetCDFCuts(const TH1D *hh, const Int_t ncut, Double_t cuts[], const Double_t cdfs[], const Double_t thres)
78{
79 //
80 //counts of hh is sorted
81 //
82
83 for(Int_t ii=0; ii<ncut; ii++){
84 cuts[ii] = -999;
85 }
86
87 Int_t nsel = 0;
88 const Int_t nbin = hh->GetNbinsX();
89 Double_t datas[nbin];
90 for(Int_t ii=1; ii<=nbin; ii++){
91 const Double_t res = hh->GetBinContent(ii);
92 if(res<thres){
93 continue;
94 }
95
96 datas[nsel] = res;
97 nsel++;
98 }
99 if(!nsel)
100 return;
101
102 Int_t id[nsel];
103 TMath::Sort(nsel, datas, id, kFALSE);
104
105 for(Int_t ii=0; ii<ncut; ii++){
106 const Double_t icdf = cdfs[ii];
107 if(icdf<0 || icdf>1){
108 printf("AliTRDdEdxUtils::GetCDFCuts error cdfs[%d] %15f out of range!\n", ii, icdf); exit(1);
109 }
110 cuts[ii] = datas[id[Int_t(icdf*nsel)]];
111 }
112}
113
114Double_t AliTRDdEdxUtils::GetMeanRMS(const Double_t nn, const Double_t sum, const Double_t w2s, Double_t * grms, Double_t * gerr)
115{
116 //
117 //calculate mean (with error) and rms from sum, w2s, nn
118 //if nn=0, mean, error, and rms all = 0
119 //
120
121 Double_t tmean = 0, trms = 0, terr = 0;
122
123 if(nn>EPSILON){
124 tmean = sum/nn;
125
126 const Double_t arg = w2s/nn-tmean*tmean;
127 if(TMath::Abs(arg)<EPSILON){
128 trms = 0;
129 }
130 else{
131 if( arg <0 ){
132 printf("AliTRDdEdxUtils::GetMeanRMS error negative sqrt argument!! %e -- %e %e %f\n", arg, w2s, sum, nn); exit(1);
133 }
134
135 trms = TMath::Sqrt(arg);
136 }
137
138 terr = trms/TMath::Sqrt(nn);
139 }
140
141 if(grms){
142 (*grms) = trms;
143 }
144
145 if(gerr){
146 (*gerr) = terr;
147 }
148
149 return tmean;
150}
151
152Double_t AliTRDdEdxUtils::TruncatedMean(const Int_t nx, const Double_t xdata[], const Double_t lowfrac, const Double_t highfrac, Double_t * grms, Double_t * gerr, Double_t *wws)
153{
154 //
155 //calculate truncated mean
156 //return <x*w>_{low-high according to x}
157 //
158
159 /*
160 //test->
161 for(Int_t ii=0; ii<nx; ii++){
162 printf("test %d/%d %f\n", ii, nx, xdata[ii]);
163 }
164 //<--test
165 */
166
167 Int_t index[nx];
168 TMath::Sort(nx, xdata, index, kFALSE);
169
170 Int_t nused = 0;
171 Double_t sum = 0;
172 Double_t w2s = 0;
173 const Int_t istart = Int_t (nx*lowfrac);
174 const Int_t istop = Int_t (nx*highfrac);
175
176 //=,< correct, because when low=0, high=1 it is correct
177 for(Int_t ii=istart; ii<istop; ii++){
178 Double_t weight = 1;
179 if(wws){
180 weight = wws[index[ii]];
181 }
182 const Double_t sx = xdata[index[ii]]*weight;
183
184 sum += sx;
185 w2s += sx*sx;
186
187 nused++;
188 //printf("test in loop %d/%d %f %f %f\n", ii, nused, sx, sum, w2s);
189
190 }
191
192 return GetMeanRMS(nused, sum, w2s, grms, gerr);
193}
194
195Double_t AliTRDdEdxUtils::TruncatedMean(const TH1 *hh, const Double_t lowfrac, const Double_t highfrac, Double_t * grms, Double_t * gerr)
196{
197 //
198 //do truncation on histogram
199 //
200 //if hh is scaled, be sure Sumw2 is called before scaling!! then mean, rms and err will all be correct
201
202 //with under-/over-flow
203 Double_t npreTrunc = 0;
204 for(Int_t itmp=0; itmp<=hh->GetNbinsX()+1; itmp++){
205 const Double_t be = hh->GetBinError(itmp);
206 const Double_t bc = hh->GetBinContent(itmp);
207 if(be<EPSILON){
208 if(bc>EPSILON){
209 printf("AliTRDdEdxUtils::TruncatedMean (hist) error %e %e %d\n", bc, be, itmp); exit(1);
210 }
211 continue;
212 }
213 npreTrunc += bc*bc/be/be;
214 }
215
216 const Double_t nstart = npreTrunc*lowfrac;
217 const Double_t nstop = npreTrunc*highfrac;
218
219 //with Double_t this should also handle normalized hist
220 Double_t ntot = 0;
221 Double_t nused = 0;
222 Double_t sum = 0;
223 Double_t w2s = 0;
224 for(Int_t itmp=0; itmp<=hh->GetNbinsX()+1; itmp++){
225 const Double_t be = hh->GetBinError(itmp);
226 const Double_t bc = hh->GetBinContent(itmp);
227 if(be<EPSILON){
228 if(bc>EPSILON){
229 printf("AliTRDdEdxUtils::TruncatedMean (hist) error %e %e %d\n", bc, be, itmp); exit(1);
230 }
231 continue;
232 }
233 const Double_t weight = bc*bc/be/be;
234 ntot+=weight;
235 //<= correct, because when high=1, nstop has to be included
236 if(ntot>nstart && ntot<=nstop){
237
238 const Double_t val = hh->GetBinCenter(itmp);
239 sum += weight*val;
240 w2s += weight*val*val;
241
242 nused += weight;
243
244 //printf("test %d %f %f --- %f %f -- %f %f\n", itmp, weight, val, sum, w2s, nused, nsample);
245 }
246 else if(ntot>nstop){
247 if(itmp>=hh->GetNbinsX()){
248 printf("AliTRDdEdxUtils::TruncatedMean warning hist range too small %s %f %f %d %d, %15f %15f %15f; nused w2s sum set to 0\n", hh->GetName(), hh->GetBinLowEdge(1), hh->GetBinLowEdge(itmp), itmp, hh->GetNbinsX(), hh->GetBinContent(hh->GetNbinsX())/hh->Integral(0,hh->GetNbinsX()+1), hh->GetBinContent(hh->GetNbinsX()), hh->Integral(0,hh->GetNbinsX()+1)); //exit(1);
249 nused = 0;
250 w2s = sum = 0;
251 }
252 break;
253 }
254 }
255
256 return GetMeanRMS(nused, sum, w2s, grms, gerr);
257}
258
259void AliTRDdEdxUtils::FitSlicesY(const TH2D *hh, TH1D *&hnor, TH1D *&hmpv, TH1D *&hwid, TH1D *&hres, const Double_t thres, const Double_t lowfrac, const Double_t highfrac)
260{
261 //
262 //fit slices of hh using truncation
263 //
264
265 const Int_t x0 = hh->GetXaxis()->GetFirst();
266 const Int_t x1 = hh->GetXaxis()->GetLast();
267 const Int_t y0 = hh->GetYaxis()->GetFirst();
268 const Int_t y1 = hh->GetYaxis()->GetLast();
269
270 const Int_t nx = hh->GetNbinsX();
271 const Int_t ny = hh->GetNbinsY();
272 const Double_t xmin = hh->GetXaxis()->GetXmin();
273 const Double_t xmax = hh->GetXaxis()->GetXmax();
274 const Double_t ymin = hh->GetYaxis()->GetXmin();
275 const Double_t ymax = hh->GetYaxis()->GetXmax();
276
277 hnor = new TH1D(Form("%s_amp",hh->GetName()), "", nx, xmin, xmax);
278 hmpv = new TH1D(Form("%s_mpv",hh->GetName()), "", nx, xmin, xmax);
279 hwid = new TH1D(Form("%s_wid",hh->GetName()), "", nx, xmin, xmax);
280 hres = new TH1D(Form("%s_res",hh->GetName()), "", nx, xmin, xmax);
281
282 for(Int_t ix=x0; ix<=x1; ix++){
283 //to speed up
284 const Double_t rawcount = hh->Integral(ix,ix,0, ny+1);
285 if(rawcount<EPSILON){
286 continue;
287 }
288
289 TH1D *htmp = new TH1D(Form("FitSlicesY_%s_%d", hh->GetName(), ix),"",ny, ymin, ymax);
290 Double_t ntot = 0;
291 for(Int_t iy=y0; iy<=y1; iy++){
292 const Double_t be = hh->GetBinError(ix,iy);
293 const Double_t bc = hh->GetBinContent(ix, iy);
294
295 if(be<EPSILON){
296 if(bc>EPSILON){
297 printf("AliTRDdEdxUtils::FitSlicesY error %d %d %e %e\n", ix, iy, be, bc); exit(1);
298 }
299 continue;
300 }
301
302 htmp->SetBinContent(iy, bc);
303 htmp->SetBinError(iy, be);
304
305 ntot += (bc/be)*(bc/be);
306
307 //if(be) printf("test %d %d : %f %f %f\n", ix, iy, bc, be, pow(bc/be,2));
308 }
309
310 hnor->SetBinContent(ix, ntot);
311 hnor->SetBinError( ix, 0);
312
313 if(ntot<thres || htmp->GetRMS()<EPSILON){
314 delete htmp;
315 continue;
316 }
317
318 //test htmp->Draw();
319 Double_t trms = -999, terr = -999;
320 const Double_t tmean = TruncatedMean(htmp, lowfrac, highfrac, &trms, &terr);
321
322 hmpv->SetBinContent(ix, tmean);
323 hmpv->SetBinError( ix, terr);
324
325 hwid->SetBinContent(ix, trms);
326 hwid->SetBinError( ix, 0);
327
328 hres->SetBinContent(ix, tmean>EPSILON ? trms/tmean:0);
329 hres->SetBinError( ix, 0);
330
331 delete htmp;
332 }
333
334 TH1 *hhs[]={hnor, hmpv, hwid, hres};
335 const TString yt[]={"N", "MPV", "#sigma", "#sigma/MPV"};
336 const Int_t nh = sizeof(hhs)/sizeof(TH1*);
337 for(Int_t ii=0; ii<nh; ii++){
338 hhs[ii]->SetYTitle(Form("%s of %s", yt[ii].Data(), hh->GetYaxis()->GetTitle()));
339 hhs[ii]->SetXTitle(hh->GetXaxis()->GetTitle());
340 hhs[ii]->GetYaxis()->SetTitleOffset(hh->GetYaxis()->GetTitleOffset());
341 hhs[ii]->SetTitle(hh->GetTitle());
342 }
343}
344
345//===================================================================================
346// TRD Analysis Fast Tool
347//===================================================================================
348
349Int_t AliTRDdEdxUtils::GetNtracklet(const AliESDEvent *esd)
350{
351 //
352 //number of trd tracklet in one esd event
353 //
354 const Int_t ntrk0 = esd->GetNumberOfTracks();
355 Int_t ntrdv1=0;
356 for(Int_t ii=0; ii<ntrk0; ii++){
357 ntrdv1 += esd->GetTrack(ii)->GetTRDntracklets();
358 }
359 return ntrdv1;
360}
361
362AliTRDtrackV1 * AliTRDdEdxUtils::GetTRDtrackV1(const AliESDtrack * esdtrack)
363{
364 //
365 //Get TRD friend track
366 //
367
368 AliESDfriendTrack * friendtrk = (AliESDfriendTrack *)esdtrack->GetFriendTrack();
369 if(!friendtrk){
370 //printf("xlulog AliAnalysisTaskCosmicTRD::GetTRDtrack no friend!!\n"); exit(1);
371 return 0x0;
372 }
373
374 TObject *calibObject=0x0;
375 AliTRDtrackV1 * trdtrack=0x0;
376 for(Int_t l=0; (calibObject=friendtrk->GetCalibObject(l)); l++) {
377 if( (trdtrack=dynamic_cast<AliTRDtrackV1*>(calibObject)) )
378 break;
379 }
380
381 return trdtrack;
382}
383
384Bool_t AliTRDdEdxUtils::IsInSameStack(const AliTRDtrackV1 *trdtrack)
385{
386 //
387 // to check if all tracklets are in the same stack, useful in cosmic
388 //
389
390 TVectorD secs(18), stks(5);
391
392 for(Int_t ilayer = 0; ilayer < 6; ilayer++){
393 AliTRDseedV1 *tracklet=trdtrack->GetTracklet(ilayer);
394 if(!tracklet)
395 continue;
396
397 const Int_t det = tracklet->GetDetector();
398 const Int_t isector = AliTRDgeometry::GetSector(det);
399 const Int_t istack = AliTRDgeometry::GetStack(det);
400
401 secs[isector] = 1;
402 stks[istack] = 1;
403 }
404
405 if(secs.Sum()!=1 || stks.Sum()!=1){
406 return kFALSE;
407 }
408 else
409 return kTRUE;
410}
411
412Bool_t AliTRDdEdxUtils::GetFirstSectorStackMomentum(const AliTRDtrackV1 *trdtrack, Int_t & isec, Int_t & istk, Double_t & mom)
413{
414 //
415 //as function name
416 //
417 isec = istk = -999;
418 mom = -999;
419
420 for(Int_t ilayer = 0; ilayer < 6; ilayer++){
421 AliTRDseedV1 *tracklet=trdtrack->GetTracklet(ilayer);
422 if(!tracklet)
423 continue;
424
425 const Int_t det = tracklet->GetDetector();
426 isec = AliTRDgeometry::GetSector(det);
427 istk = AliTRDgeometry::GetStack(det);
428
429 mom = tracklet->GetMomentum();
430
431 break;
432 }
433
434 if(isec<0)
435 return kFALSE;
436 else
437 return kTRUE;
438}
439
440//===================================================================================
441// Calibration
442//===================================================================================
443Double_t AliTRDdEdxUtils::GetCalibTPCscale(const Int_t tpcncls, const Double_t tpcsig)
444{
445 //
446 //the scale used in calibration
447 //
448
449 if(tpcncls < CalibTPCnclsCut())
450 return -999;
451
452 if(tpcsig<EPSILON)
453 return -999;
454
455 return tpcsig/120;
456
457}
458
459Int_t AliTRDdEdxUtils::GetPHQIterator(const Bool_t kinvq, const Double_t mag, const Int_t charge)
460{
461 //
462 //iterator for calib obj and hist
463 //
464 return kinvq*4 + (mag>0)*2 + (charge>0);
465}
466
467TObjArray * AliTRDdEdxUtils::GetObjPHQ(const Bool_t kinvq, const Double_t mag, const Int_t charge)
468{
469 //
470 //return calib obj
471 //
472 if(!fgObjPHQ){
473 printf("AliTRDdEdxUtils::GetObjPHQ error fgObjPHQ null!!\n"); exit(1);
474 }
475
476 return (TObjArray*) fgObjPHQ->At(GetPHQIterator(kinvq, mag, charge));
477}
478
479THnSparseD * AliTRDdEdxUtils::GetHistPHQ(const Bool_t kinvq, const Double_t mag, const Int_t charge)
480{
481 //
482 //return calib hist
483 //
484 return (THnSparseD*) fgHistPHQ->At(GetPHQIterator(kinvq, mag, charge));
485}
486
487TString AliTRDdEdxUtils::GetPHQName(const Bool_t kobj, const Int_t iter)
488{
489 //
490 //get name of calib obj/hist of PHQ
491 //
492 return Form("TRDCalib%sPHQ%d", kobj?"Obj":"Hist", iter);
493}
494
495void AliTRDdEdxUtils::DeleteCalibObj()
496{
497 //
498 //delete calib obj
499 //
500 delete fgObjGain;
501 delete fgObjT0;
502 delete fgObjVd;
503
504 fgObjGain = 0x0;
505 fgObjT0 = 0x0;
506 fgObjVd = 0x0;
507
508 if(fgObjPHQ){
509 fgObjPHQ->SetOwner();
510 delete fgObjPHQ;
511 fgObjPHQ = 0x0;
512 }
513}
514
515Bool_t AliTRDdEdxUtils::GenerateDefaultPHQOCDB(const TString path)
516{
517 //
518 //generate default OCDB object PHQ, do like
519 //AliTRDdEdxUtils::GenerateDefaultPHQOCDB("local://./")
520 //
521
522 TObjArray * arr8 = new TObjArray(8);
523 arr8->SetOwner();
524
525 for(Int_t ii=0; ii<8; ii++){
526 TObjArray * arr1 = new TObjArray(1);
527 arr1->SetOwner();
528 arr1->SetName(GetPHQName(1, ii));
529
530 const Int_t nbins = NTRDtimebin();
531 TVectorD * vec = new TVectorD(nbins);
532 for(Int_t jj=0; jj<nbins; jj++){
533 (*vec)[jj] = 1;
534 }
535 arr1->Add(vec);
536 arr8->Add(arr1);
537 }
538
539 AliCDBMetaData *metaData= new AliCDBMetaData();
540 metaData->SetObjectClassName("TObjArray");
541 metaData->SetResponsible("Raphaelle Bailhache and Xianguo Lu");
542
543 AliCDBId id1("TRD/Calib/PHQ", 0, 999999999);
544 AliCDBStorage * gStorage = AliCDBManager::Instance()->GetStorage(path);
545 gStorage->Put(arr8, id1, metaData);
546
547 delete metaData;
548 delete arr8;
549
550 return kTRUE;
551}
552
553void AliTRDdEdxUtils::IniCalibObj()
554{
555 //
556 //set CalibObj from file, clone to static calib obj
557 //
558
559 DeleteCalibObj();
560
561 TFile *cfile=new TFile(fgCalibFile);
562 if(!cfile->IsOpen()){
563 printf("AliTRDdEdxUtils::IniCalibObj error fgCalibFile not open! %s\n", fgCalibFile.Data());exit(1);
564 }
565
566 printf("\nAliTRDdEdxUtils::IniCalibObj file: %s\n", fgCalibFile.Data());
567
568 //---
569 const TString objnames[] ={"TRDCalibObjGain", "TRDCalibObjT0", "TRDCalibObjVd"};
570 TObjArray ** gobjs[]={ &fgObjGain, &fgObjT0, &fgObjVd};
571
572 const Int_t nobj = sizeof(objnames)/sizeof(TString);
573 for(Int_t iobj=0; iobj<nobj; iobj++){
574 TObjArray *tmpo=0x0;
575 cfile->GetObject(objnames[iobj], tmpo);
576 if(!tmpo){
577 printf("AliTRDdEdxUtils::IniCalibObj error obj %s not found!\n", objnames[iobj].Data()); exit(1);
578 }
579
580 (*gobjs[iobj])=(TObjArray*)tmpo->Clone();
581 (*gobjs[iobj])->SetOwner();
582 }
583
584 fgObjPHQ = new TObjArray(8);
585 for(Int_t iter=0; iter<8; iter++){
586 const TString objn = GetPHQName(1, iter);
587 TObjArray *tmpo=0x0;
588 cfile->GetObject(objn, tmpo);
589 if(!tmpo){
590 printf("AliTRDdEdxUtils::IniCalibObj error obj %s not found!\n", objn.Data()); exit(1);
591 }
592
593 TObjArray *obji=(TObjArray*) tmpo->Clone();
594 obji->SetOwner();
595 fgObjPHQ->AddAt(obji, iter);
596 }
597
598 //---
599
600 cfile->Close();
601 delete cfile;
602}
603
604void AliTRDdEdxUtils::DeleteCalibHist()
605{
606 //
607 //delete calib hist
608 //
609 delete fgHistGain;
610 delete fgHistT0;
611 delete fgHistVd;
612
613 fgHistGain = 0x0;
614 fgHistT0 = 0x0;
615 fgHistVd = 0x0;
616
617 //fgHistPHQ owns the hists
618 fgHistPHQ->SetOwner();
619 fgHistPHQ->Clear();
620}
621
622void AliTRDdEdxUtils::IniCalibHist(TList *list, const Bool_t kPHQonly)
623{
624 //
625 //initialize calib hist, list should not own the hist, or list->Clear/delete hist should not be called
626 //
627
628 DeleteCalibHist();
629
630 Int_t nbin[2];
631 const Double_t xmin[2]={0, 0};
632 Double_t xmax[2];
633
634 nbin[0]=NTRDtimebin(); nbin[1]= 11250; xmax[0]=nbin[0]; xmax[1]=20;
635 for(Int_t iter=0; iter<8; iter++){
636 const TString hn = GetPHQName(0, iter);
637 THnSparseD *hi = new THnSparseD(hn, "", 2, nbin, xmin, xmax);
638 //fgHistPHQ owns the hists
639 fgHistPHQ->AddAt(hi, iter);
640 list->Add(hi);
641 }
642
643 if(kPHQonly)
644 return;
645
646 nbin[0]=NTRDchamber(); nbin[1]= 11250; xmax[0]=nbin[0]; xmax[1]=20; fgHistGain = new THnSparseD("TRDCalibHistGain", "", 2, nbin, xmin, xmax);
647 nbin[0]=NTRDchamber(); nbin[1]= 11250; xmax[0]=nbin[0]; xmax[1]=AliTRDseedV1::kNtb; fgHistT0 = new THnSparseD("TRDCalibHistT0", "", 2, nbin, xmin, xmax);
648 nbin[0]=NTRDchamber(); nbin[1]= 11250; xmax[0]=nbin[0]; xmax[1]=AliTRDseedV1::kNtb; fgHistVd = new THnSparseD("TRDCalibHistVd", "", 2, nbin, xmin, xmax);
649
650 list->Add(fgHistGain);
651 list->Add(fgHistT0);
652 list->Add(fgHistVd);
653}
654
655Bool_t AliTRDdEdxUtils::ReadCalibHist(const TString filename, const TString listname)
656{
657 //
658 //used in AliTRDPreprocessorOffline
659 //read in calib hist from file, only for PHQ
660 //
661 DeleteCalibHist();
662
663 //maybe already open by others... don't close
664 TFile fcalib(filename);
665
666 TObjArray * array = (TObjArray*)fcalib.Get(listname);
667
668 for(Int_t iter=0; iter<8; iter++){
669 const TString hn = GetPHQName(0, iter);
670 THnSparseD * tmph=0x0;
671 if(array){
672 tmph = (THnSparseD *) array->FindObject(hn);
673 }
674 else{
675 tmph = (THnSparseD *) fcalib.Get(hn);
676 }
677 if(!tmph){
678 printf("AliTRDdEdxUtils::ReadCalibHist warning calib hist not found! %s %s\n", filename.Data(), listname.Data());
679 fcalib.ls();
680 array->ls();
681 return kFALSE;
682 }
683 THnSparseD *hi = (THnSparseD*)tmph->Clone();
684 fgHistPHQ->AddAt(hi, iter);
685 }
686
687 return kTRUE;
688}
689
690void AliTRDdEdxUtils::FillCalibHist(const Int_t ncls, const TVectorD *arrayQ, const TVectorD *arrayX, THnSparseD * hcalib, const Double_t scale)
691{
692 //
693 //fill calibration hist
694 //
695 if(!hcalib){printf("AliTRDdEdxUtils::FillCalibHist errro hcalib null!!\n"); exit(1);}
696
697 for(Int_t ii=0; ii<ncls; ii++){
698 const Double_t dq = (*arrayQ)[ii];
699 const Double_t xx = (*arrayX)[ii];
700
701 const Double_t qmax = hcalib->GetAxis(1)->GetXmax() -0.5 * hcalib->GetAxis(1)->GetBinWidth(1);
702 const Double_t xmin = hcalib->GetAxis(0)->GetXmin();
703 const Double_t xmax = hcalib->GetAxis(0)->GetXmax();
704
705 if(xx>=xmax || xx<xmin){
706 printf("AliTRDdEdxUtils::FillCalibHist error x overflow or underflow! %s %15f %15f %15f\n", hcalib->GetName(), xx, xmin, xmax); exit(1);
707 }
708
709 const Double_t var[]={xx, TMath::Min(dq, qmax)/scale};
710 hcalib->Fill(var);
711 }
712}
713
714void AliTRDdEdxUtils::FillCalibHist(const AliTRDtrackV1 *trdv1, const Bool_t kinvq, const Double_t mag, const Int_t charge, const Double_t scale)
715{
716 //
717 //get cluster Q and fill calib hist, if kinvq = kTRUE, 1/Q is filled
718 //
719
720 THnSparseD * hcalib = AliTRDdEdxUtils::GetHistPHQ(kinvq, mag, charge);
721
722 TVectorD arrayQ(200), arrayX(200);
723 const Int_t ncls = AliTRDdEdxUtils::GetArrayClusterQ(kinvq, &arrayQ, &arrayX, trdv1);
724 FillCalibHist(ncls, &arrayQ, &arrayX, hcalib, kinvq ? 1/scale : scale);
725
726 static Int_t kprint = 100;
727 if(kprint<0){
728 printf("\nAliTRDdEdxUtils::FillCalibHist summary: \n");
729 printf("\nkinvq= %d;\n", kinvq);
730 for(Int_t iq=0; iq<ncls; iq++){
731 printf("arrayX[%3d] = %15.0f; arrayQ[%3d] = %15f;\n", iq, arrayX[iq], iq, arrayQ[iq]);
732 }
733 printf("\n");
734 }
735 kprint++;
736}
737
738Int_t AliTRDdEdxUtils::ApplyCalib(const Int_t nc0, TVectorD *arrayQ, TVectorD *arrayX, const TObjArray *cobj)
739{
740 //
741 //apply calibration on arrayQ
742 //
743 if(!cobj){ printf("AliTRDdEdxUtils::ApplyCalib error gain array null!!\n"); exit(1);}
744
745 TVectorD tmpq(arrayQ->GetNrows());
746 TVectorD tmpx(arrayX->GetNrows());
747 Int_t ncls = 0;
748
749 const TVectorD * gain = (TVectorD*) cobj->At(0);
750 for(Int_t ii=0; ii<nc0; ii++){
751 const Double_t dq = (*arrayQ)[ii];
752 const Int_t xx = (Int_t)(*arrayX)[ii];
753 const Double_t gg = (*gain)[xx];
754
755 if(gg<EPSILON){
756 continue;
757 }
758
759 tmpq[ncls] = dq*gg;
760 tmpx[ncls] = xx;
761 ncls++;
762 }
763
764 (*arrayQ)=tmpq;
765 (*arrayX)=tmpx;
766
767 return ncls;
768}
769
770void AliTRDdEdxUtils::GetPHCountMeanRMS(const TH1D *hnor, TH1D *&hmean)
771{
772 //
773 //calculate from the ph calib hist the (mean-3sigma) ph-count in the chamber, save in the TH1D output
774 //
775 const Int_t ndet = 540;
776 TObjArray *obj=new TObjArray(ndet);
777 obj->SetOwner();
778 for(Int_t ii=0; ii<ndet; ii++){
779 obj->Add(new TVectorD(AliTRDseedV1::kNtb));
780 }
781
782 //ibin = binlowedge of bin(ibin+1) = the number fills this bin
783 for(Int_t ibin=0; ibin<hnor->GetNbinsX(); ibin++){
784 const Double_t stat = hnor->GetBinContent(ibin+1);
785 if(stat<EPSILON){
786 continue;
787 }
788
789 const Int_t idet = ToDetector(ibin);
790 const Int_t itb = ToTimeBin(ibin);
791 TVectorD *vec=(TVectorD *)obj->At(idet);
792 (*vec)[itb] = stat;
793 }
794
795 hmean = new TH1D(Form("%sdetmean", hnor->GetName()), "", hnor->GetNbinsX(), hnor->GetXaxis()->GetXmin(), hnor->GetXaxis()->GetXmax());
796 for(Int_t ibin=0; ibin<hnor->GetNbinsX(); ibin++){
797 const Int_t idet = ToDetector(ibin);
798 const TVectorD *vec=(TVectorD *)obj->At(idet);
799
800 Int_t nonzero = 0;
801 for(Int_t ii=0; ii<vec->GetNrows(); ii++){
802 if((*vec)[ii]>EPSILON){
803 nonzero++;
804 }
805 }
806
807 Double_t mean = 0;
808 const Double_t lowfrac = 0.6;
809 //if there are too many 0's, reject this chamber by settig mean=rms=0
810 if(nonzero> (AliTRDseedV1::kNtb*(1-lowfrac)) ){
811 //only highest (1-lowfrac)*31 timebins are used to estimate the mean and rms! important! otherwise the 0' will make rms very large!
812 mean = TruncatedMean(AliTRDseedV1::kNtb, vec->GetMatrixArray(), lowfrac, 1);
813 }
814
815 hmean->SetBinContent(ibin+1, mean);
816 }
817
818 delete obj;
819}
820
821void AliTRDdEdxUtils::CalibOutput(const TList *lin, Int_t run)
822{
823 //
824 //produce calibration objects
825 //
826
827 TString objnames("TRDCalibHistGain TRDCalibHistT0 TRDCalibHistVd ");
828 for(Int_t iter=0; iter<8; iter++){
829 objnames+= GetPHQName(0, iter)+" ";
830 }
831
832 TList * lout = new TList;
833 lout->SetOwner();
834
835 TTreeSRedirector *calibStream = new TTreeSRedirector(Form("TRDCalibStream_%010d.root", run));
836
837 const Int_t nh=lin->GetEntries();
838 for(Int_t ii=0; ii<nh; ii++){
839 const THnSparseD *hh=(THnSparseD*)lin->At(ii);
840 const TString hname = hh->GetName();
841 if(!objnames.Contains(hname))
842 continue;
843
844 TObjArray * cobj0 = GetCalibObj(hh, run, lout, calibStream);
845 lout->Add(cobj0);
846 }
847
848 //lout->ls();
849
850 //=============================================================
851 //=============================================================
852
853 TFile *fout=new TFile(Form("TRDCalibObj_%010d.root", run),"recreate");
854 fout->cd();
855 const Int_t nout=lout->GetEntries();
856 for(Int_t ii=0; ii<nout; ii++){
857 const TString oname = lout->At(ii)->GetName();
858 if(oname.Contains("Obj")){
859 TObjArray * cobj = (TObjArray*) lout->At(ii);
860 cobj->Write(oname, TObjArray::kSingleKey);
861 }
862 }
863 fout->Save();
864 fout->Close();
865 delete fout;
866
867 fout=new TFile(Form("TRDCalibList_%010d.root", run),"recreate");
868 fout->cd();
869 lin->Write();
870 lout->Write();
871 fout->Save();
872 fout->Close();
873 delete fout;
874
875 delete calibStream;
876
877 /*
878 http://root.cern.ch/root/html/TH1.html
879 When an histogram is created, a reference to it is automatically added to the list of in-memory objects for the current file or directory. This default behaviour can be changed by:
880
881 h->SetDirectory(0); for the current histogram h
882 TH1::AddDirectory(kFALSE); sets a global switch disabling the reference
883
884 When the histogram is deleted, the reference to it is removed from the list of objects in memory. When a file is closed, all histograms in memory associated with this file are automatically deleted.
885 */
886 delete lout;
887}
888
889TObjArray* AliTRDdEdxUtils::GetCalibObj(const THnSparseD *hh, Int_t run, TList *lout, TTreeSRedirector *calibStream)
890{
891 //
892 //produce calibration objects
893 //
894
895 const TString hname = hh->GetName();
896 const Bool_t kinvq = TString(hname(hname.First('Q')+1,1)).Atoi()&4;
897
898 //----------------------------------------
899 // Define nbin, tag, cobj0
900 //----------------------------------------
901 Int_t nbin =-999;
902 if(hname.Contains("Gain") || hname.Contains("T0") || hname.Contains("Vd")){
903 nbin = NTRDchamber();
904 }
905 else if(hname.Contains("PHQ")){
906 nbin = NTRDtimebin();
907 }
908 else{
909 printf("AliTRDdEdxUtils::GetCalibObj error wrong hname!! %s\n", hname.Data()); exit(1);
910 }
911
912 TString tag(hname);
913 tag.ReplaceAll("Hist","Obj");
914
915 TObjArray * cobj0 = new TObjArray(1);
916 cobj0->SetOwner();
917 cobj0->SetName(tag);
918 cobj0->Add(new TVectorD(nbin));
919
920 //----------------------------------------
921 // Define lowFrac, highFrac
922 //----------------------------------------
923 Double_t lowFrac = -999, highFrac = -999;
924 if(hname.Contains("Gain") || (hname.Contains("PHQ") && !kinvq) ){
925 lowFrac = 0.01; highFrac = Q0Frac();
926 }
927 else if(hname.Contains("PHQ") && kinvq){
928 lowFrac = Q1Frac(); highFrac = 0.99;
929 }
930 else{
931 lowFrac = 0.01;
932 highFrac = 0.99;
933 }
934
935 //----------------------------------------
936 // Get analysis result
937 //----------------------------------------
938 TH1::AddDirectory(kFALSE);//important!
939 TH1D *hnor=0x0, *hmpv=0x0, *hres=0x0, *hwid=0x0, *htrdphmean = 0x0;//if(!lout), these have to be deleted
940 TH2D *hpj = hh->Projection(1,0);
941 FitSlicesY(hpj, hnor, hmpv, hwid, hres, 0, lowFrac, highFrac);
942 if(hname.Contains("PHQ")){
943 GetPHCountMeanRMS(hnor, htrdphmean);
944 if(lout){
945 lout->Add(htrdphmean);
946 }
947 }
948 delete hpj;
949
950 if(lout){
951 lout->Add(hnor);
952 lout->Add(hmpv);
953 lout->Add(hwid);
954 lout->Add(hres);
955 }
956
957 //----------------------------------------
958 // Define Counter
959 //----------------------------------------
960 TVectorD *countDet=0x0;
961 TObjArray *countSSL=0x0;
962
963 if(hname.Contains("PHQ") && !kinvq){
964 countDet=new TVectorD(540);
965 countSSL=new TObjArray(90);//SectorStackLayer
966 countSSL->SetOwner();
967 for(Int_t ii=0; ii<90; ii++){
968 countSSL->Add(new TVectorD(6));
969 }
970 }
971
972 //----------------------------------------
973 // Fill cobj0
974 //----------------------------------------
975
976 //ibin = binlowedge of bin(ibin+1) = the number fills this bin
977 for(Int_t ibin=0; ibin<nbin; ibin++){
978 Double_t gnor = hnor->GetBinContent(ibin+1);
979 Double_t gmpv = hmpv->GetBinContent(ibin+1);
980 Double_t gwid = hwid->GetBinContent(ibin+1);
981 Double_t gres = hres->GetBinContent(ibin+1);
982
983 //--- set additional cut by kpass
984 Bool_t kpass = kTRUE;
985 Double_t gtrdphmean = -999;
986 if(htrdphmean){
987 gtrdphmean = htrdphmean->GetBinContent(ibin+1);
988 //chamber no statistics (e.g. too many 0's), not usual, not seen in run 143237
989 if(gtrdphmean<EPSILON){
990 kpass = kFALSE;
991 }
992 if(gnor<TimeBinCountCut()*gtrdphmean){
993 kpass = kFALSE;
994 }
995 }
996
997 //--- set calibration constant p0
998 Double_t p0= 0;
999
1000 //reason for gmpv=0:
1001 //1)gnor<=3; truncation in hist: (0, 0.6*ntot=1.8 with ntot=3]={1}, in hist entries can pile up so that ntot=2, or 3, and (ntot>nstart && ntot<=nstop) is skipped;
1002 //2)TruncatedMean(hist) out of range (only for Q0, not Q1).
1003
1004 if(gmpv>EPSILON && kpass){
1005 if(tag.Contains("T0")){
1006 p0 = gmpv;
1007 }
1008 else{
1009 p0 = 1/gmpv;
1010 }
1011 //printf("outcalibobj%s %d %15.6e\n", tag.Data(), ibin, p0);
1012 }
1013
1014 (*( (TVectorD*)cobj0->At(0) ))[ibin] = p0;
1015
1016 //--- save optional record
1017 if(p0>EPSILON && countDet && countSSL){
1018 const Int_t idet = ToDetector(ibin);
1019 (*countDet)[idet]=1;
1020
1021 const Int_t isector = ToSector(ibin);
1022 const Int_t istack = ToStack(ibin);
1023 const Int_t ilayer = ToLayer(ibin);
1024 TVectorD * vecsectorstack = (TVectorD*)countSSL->At(istack*18+isector);
1025 (*vecsectorstack)[ilayer]=1;
1026 }
1027
1028 if(calibStream){
1029 (*calibStream)<<tag<<
1030 "run="<<run<<
1031 "p0="<<p0<<
1032
1033 "nor="<<gnor<<
1034 "mpv="<<gmpv<<
1035 "wid="<<gwid<<
1036 "res="<<gres<<
1037 "gtrdphmean="<<gtrdphmean<<
1038
1039 "ibin="<<ibin<<
1040 "\n";
1041 }
1042 }
1043
1044 //----------------------------------------
1045 // Status Report
1046 //----------------------------------------
1047 if(countDet && countSSL){
1048 TVectorD count2Dstack(90);
1049 for(Int_t ii=0; ii<90; ii++){
1050 TVectorD * vecsectorstack = (TVectorD*)countSSL->At(ii);
1051 const Int_t nlayer = (Int_t)vecsectorstack->Sum();
1052 if(nlayer==6){
1053 count2Dstack[ii]=1;
1054 }
1055 }
1056
1057 printf("\nAliTRDdEdxUtils::GetCalibObj Summary run: %d name: %s entries: %.0f ndetector: %03.0f n2dstack %02.0f\n\n", run, hname.Data(), hh->GetEntries(), countDet->Sum(), count2Dstack.Sum());
1058 }
1059
1060 //----------------------------------------
1061 // Clean Up
1062 //----------------------------------------
1063
1064 TH1D **hhs[]={&hnor, &hmpv, &hwid, &hres, &htrdphmean};
1065 const Int_t nhh=sizeof(hhs)/sizeof(TH1D**);
1066 for(Int_t ihh=0; ihh<nhh; ihh++){
1067 if(!lout){
1068 delete (*hhs[ihh]);
1069 }
1070 }
1071
1072 delete countDet;
1073 delete countSSL;
1074
1075 //----------------------------------------
1076
1077 return cobj0;
1078}
1079
1080//===================================================================================
1081// dEdx calculation
1082//===================================================================================
1083Double_t AliTRDdEdxUtils::GetSignal(const Int_t nch, const Int_t ncls, const Double_t qq)
1084{
1085 //
1086 //signal = nch*1e6 + ncls*1e3 + (qq>=1e3? 999 : qq)
1087 //
1088 if(ncls>1e3){
1089 printf("AliTRDdEdxUtils::GetSignal error ncls>1e3! %d\n", ncls); exit(1);
1090 }
1091
1092 return nch*1e6 + ncls*1e3 + (qq>=1e3? 999 : qq);
1093}
1094
1095Int_t AliTRDdEdxUtils::GetNch(const Double_t signal)
1096{
1097 //
1098 //signal = nch*1e6 + ncls*1e3 + (qq>=1e3? 999 : qq)
1099 //
1100 return Int_t(signal/1e6);
1101
1102}
1103
1104Int_t AliTRDdEdxUtils::GetNcls(const Double_t signal)
1105{
1106 //
1107 //signal = Nch*1e6 + Ncls*1e3 + (Q>=1e3? 999 : Q)
1108 //
1109
1110 return Int_t ( (signal-GetNch(signal)*1e6)/1e3 );
1111}
1112
1113Double_t AliTRDdEdxUtils::GetQ(const Double_t signal)
1114{
1115 //
1116 //signal = nch*1e6 + ncls*1e3 + (qq>=1e3? 999 : qq)
1117 //
1118
1119 return signal-GetNch(signal)*1e6 - GetNcls(signal)*1e3;
1120}
1121
1122Double_t AliTRDdEdxUtils::ToyCook(const Bool_t kinvq, Int_t &ncluster, TVectorD *arrayQ, TVectorD *arrayX, const TObjArray *cobj)
1123{
1124 //
1125 //template for cookdedx
1126 //
1127 if(cobj){
1128 if(arrayQ && arrayX){
1129 ncluster = ApplyCalib(ncluster, arrayQ, arrayX, cobj);
1130 }
1131 else{
1132 printf("AliTRDdEdxUtils::ToyCook arrayQ arrayX null, applycalib can not be applied!\n"); exit(1);
1133 }
1134 }
1135
1136 Double_t lowFrac =-999, highFrac = -999;
1137 if(kinvq){
1138 lowFrac = Q1Frac(); highFrac = 0.99;
1139 }
1140 else{
1141 lowFrac = 0.01; highFrac = Q0Frac();
1142 }
1143
1144 Double_t meanQ = TruncatedMean(ncluster, arrayQ->GetMatrixArray(), lowFrac, highFrac);
1145 if(kinvq){
1146 if(meanQ>EPSILON){
1147 meanQ = 1/meanQ;
1148 }
1149 }
1150
1151 return meanQ;
1152}
1153
1154Double_t AliTRDdEdxUtils::CombineddEdx(const Bool_t kinvq, Int_t &concls, TVectorD *coarrayQ, TVectorD *coarrayX, const Int_t tpcncls, const TVectorD *tpcarrayQ, const TVectorD *tpcarrayX, const Int_t trdncls, const TVectorD *trdarrayQ, const TVectorD *trdarrayX)
1155{
1156 //
1157 //combine tpc and trd dedx
1158 //
1159
1160 for(Int_t iq=0; iq<tpcncls; iq++){
1161 (*coarrayQ)[iq]=(*tpcarrayQ)[iq];
1162 if(tpcarrayX && trdarrayX && coarrayX){
1163 (*coarrayX)[iq]=(*tpcarrayX)[iq];
1164 }
1165 }
1166 for(Int_t iq=0; iq<trdncls; iq++){
1167 (*coarrayQ)[tpcncls+iq]=(*trdarrayQ)[iq];
1168 if(tpcarrayX && trdarrayX && coarrayX){
1169 (*coarrayX)[tpcncls+iq]=159+(*trdarrayX)[iq];
1170 }
1171 }
1172
1173 concls=trdncls+tpcncls;
1174
1175 const Double_t coQ = ToyCook(kinvq, concls, coarrayQ, coarrayX);
1176
1177 return coQ;
1178}
1179
1180
1181//===================================================================================
1182// dEdx Getter and Setter
1183//===================================================================================
1184Double_t AliTRDdEdxUtils::GetAngularCorrection(const AliTRDseedV1 *seed)
1185{
1186 //
1187 //return angular normalization factor
1188 //
1189
1190 return TMath::Sqrt(1+seed->GetYref(1)*seed->GetYref(1)+seed->GetZref(1)*seed->GetZref(1));
1191}
1192
1193Double_t AliTRDdEdxUtils::GetClusterQ(const Bool_t kinvq, const AliTRDseedV1 * seed, const Int_t itb)
1194{
1195 //
1196 //get cluster charge
1197 //
1198 Double_t dq = 0;
1199 const AliTRDcluster *cl = 0x0;
1200
1201 cl = seed->GetClusters(itb); if(cl) dq+=cl->GetRawQ();
1202 cl = seed->GetClusters(itb+AliTRDseedV1::kNtb); if(cl) dq+=cl->GetRawQ();
1203
1204 dq /= GetAngularCorrection(seed);
1205
1206 dq /= 45.;
1207
1208 if(kinvq){
1209 if(dq>EPSILON){
1210 dq = 1/dq;
1211 }
1212 }
1213
1214 return dq;
1215}
1216
1217Int_t AliTRDdEdxUtils::GetArrayClusterQ(const Bool_t kinvq, TVectorD *arrayQ, TVectorD *arrayX, const AliTRDtrackV1 *trdtrack, Int_t timeBin0, Int_t timeBin1, Int_t tstep)
1218{
1219 //
1220 //return nclustter
1221 //(if kinvq, return 1/q array), size of array must be larger than 31*6
1222 //
1223 if(!arrayQ || arrayQ->GetNrows()< (AliTRDseedV1::kNtb*AliTRDtrackV1::kNplane)){
1224 printf("AliTRDdEdxUtils::GetArrayClusterQ error arrayQ null or size too small! %d\n", arrayQ? arrayQ->GetNrows() : -999); exit(1);
1225 }
1226 if(!arrayX && arrayX->GetNrows()< (AliTRDseedV1::kNtb*AliTRDtrackV1::kNplane)){
1227 printf("AliTRDdEdxUtils::GetArrayClusterQ error arrayX null or size too small! %d\n", arrayX? arrayX->GetNrows() : -999); exit(1);
1228 }
1229
1230 const Int_t mintb = 0;
1231 const Int_t maxtb = AliTRDseedV1::kNtb-1;
1232 if(timeBin0<mintb) timeBin0=mintb;
1233 if(timeBin1>maxtb) timeBin1=maxtb;
1234 if(tstep<=0) tstep=1;
1235
1236 //============
1237 Int_t tbN=0;
1238 Double_t tbQ[200];
1239 Int_t tbBin[200];
1240
1241 for(Int_t ichamber=0; ichamber < AliTRDtrackV1::kNplane; ichamber++){
1242 const AliTRDseedV1 * seed = trdtrack->GetTracklet(ichamber);
1243 if(!seed)
1244 continue;
1245
1246 const Int_t det = seed->GetDetector();
1247
1248 for(Int_t itb=timeBin0; itb<=timeBin1; itb+=tstep){
1249 const Double_t dq = GetClusterQ(kinvq, seed, itb);
1250 if(dq<EPSILON)
1251 continue;
1252
1253 const Int_t gtb = det * AliTRDseedV1::kNtb + itb;
1254
1255 tbQ[tbN]=dq;
1256 tbBin[tbN]=gtb;
1257 tbN++;
1258 }
1259 }
1260
1261 Int_t ncls = 0;
1262 for(Int_t iq=0; iq<tbN; iq++){
1263 if(tbQ[iq]<EPSILON)
1264 continue;
1265
1266 (*arrayQ)[ncls] = tbQ[iq];
1267 (*arrayX)[ncls] = tbBin[iq];
1268
1269 ncls++;
1270 }
1271
1272 Int_t kprint = 100;
1273 if(kprint<0){
1274 printf("\nAliTRDdEdxUtils::GetArrayClusterQ raw cluster-Q\n");
1275 for(Int_t iq=0; iq<ncls; iq++){
1276 const Int_t ichamber = ToLayer((*arrayX)[iq]);
1277 const AliTRDseedV1 * seed = trdtrack->GetTracklet(ichamber);
1278 if(!seed){
1279 printf("error seed null!!\n"); exit(1);
1280 }
1281 const Double_t rawq = (*arrayQ)[iq] * 45. * GetAngularCorrection(seed);
1282 printf("esdid=%d; chamber=%d; timebin=%d; rawq= %.3f; myq[%d]= %e;\n", trdtrack->GetESDid(), ichamber, ToTimeBin((*arrayX)[iq]), rawq, iq, (*arrayQ)[iq]);
1283 }
1284 printf("\n");
1285 }
1286
1287 return ncls;
1288}
1289
1290Int_t AliTRDdEdxUtils::UpdateArrayX(const Int_t ncls, TVectorD* arrayX)
1291{
1292 //
1293 //arrayX det*Ntb+itb -> itb
1294 //
1295
1296 TVectorD countChamber(6);
1297 for(Int_t ii = 0; ii<ncls; ii++){
1298 const Int_t xx = (Int_t)(*arrayX)[ii];
1299 const Int_t idet = ToDetector(xx);
1300
1301 const Double_t ich = AliTRDgeometry::GetLayer(idet);
1302 const Double_t itb = ToTimeBin(xx);
1303 (*arrayX)[ii] = ich*AliTRDseedV1::kNtb+itb;
1304
1305 countChamber[ich] = 1;
1306 }
1307
1308 const Double_t nch = countChamber.Sum();
1309 return (Int_t) nch;
1310}
1311
1312void AliTRDdEdxUtils::SetChamberQT(const AliTRDtrackV1 *trdtrack, const Int_t kcalib, THnSparseD * hgain, THnSparseD * ht0, THnSparseD * hvd)
1313{
1314 //
1315 //CookdEdx at TRD track level, use chamber info, related calibrations: chamber-gain; T0, Vd based on raw PH distribution
1316 //
1317
1318 static Int_t kprint = 100;
1319
1320 fgNchamber = 0;
1321 for(Int_t ichamber=0; ichamber < AliTRDtrackV1::kNplane; ichamber++){
1322 //initialize output, default values: 0, so that summation and weighting will automatically discard default quantities
1323 fgChamberQ[ichamber] = fgChamberTmean[ichamber] = 0;
1324
1325 const AliTRDseedV1 *seed = trdtrack->GetTracklet(ichamber);
1326 if (!seed)
1327 continue;
1328
1329 const Int_t idet = seed->GetDetector();
1330
1331 //-------------------------------------------------------------------------
1332
1333 Double_t qsum = 0, qtsum = 0, w2sum = 0;
1334 for(Int_t itb=0; itb<AliTRDseedV1::kNtb; itb++){
1335 const Double_t dq = GetClusterQ(0, seed, itb);
1336 if(dq<EPSILON)
1337 continue;
1338
1339 qsum += dq;
1340 qtsum += dq*itb;
1341 w2sum += dq*itb*itb;
1342 }
1343 if(qsum<EPSILON)
1344 continue;
1345
1346 //-------------------------------------------------------------------------
1347
1348 Double_t tbm, tbr = 0;
1349 tbm = GetMeanRMS(qsum, qtsum, w2sum, &tbr);
1350
1351 qsum /= 1.25e3/45.;
1352
1353 if(hgain){
1354 const Double_t var[]={idet, qsum};
1355 hgain->Fill(var);
1356 }
1357 if(ht0){
1358 const Double_t var[]={idet, tbm};
1359 ht0->Fill(var);
1360 }
1361 if(hvd){
1362 const Double_t var[]={idet, tbr};
1363 hvd->Fill(var);
1364 }
1365
1366 Double_t gain = 1, t0 = 0, vd = 1;
1367 if(kcalib){
1368 if(!fgObjGain) {printf("AliTRDdEdxUtils::SetChamberQT error Gain array null!!\n"); exit(1);}
1369 if(! fgObjT0) {printf("AliTRDdEdxUtils::SetChamberQT error T0 array null!!\n"); exit(1);}
1370 if(! fgObjVd) {printf("AliTRDdEdxUtils::SetChamberQT error Vd array null!!\n"); exit(1);}
1371
1372 const TVectorD * gainvec = (TVectorD*) fgObjGain->At(0); gain = (*gainvec)[idet];
1373 const TVectorD * t0vec = (TVectorD*) fgObjT0->At(0); t0 = (* t0vec)[idet];
1374 const TVectorD * vdvec = (TVectorD*) fgObjVd->At(0); vd = (* vdvec)[idet];
1375 }
1376 if(kprint<0){
1377 printf("\nAliTRDdEdxUtils::CookdEdxV2\n");
1378 printf("idet = %d;\n", idet);
1379 printf("gain = %15f; t0 = %15f; vd = %15f;\n", gain, t0, vd);
1380 printf("\n");
1381 }
1382
1383 qsum *= gain;
1384 tbm = (tbm-t0)*vd;
1385
1386 if(qsum<EPSILON)
1387 continue;
1388
1389 //-------------------------------------------------------------------------
1390
1391 //should have non-zero value, initialized with default 0 (except for calibrated tbm, may be very close to 0)
1392 fgChamberQ[ichamber] = qsum;
1393 fgChamberTmean[ichamber] = tbm;
1394 fgNchamber++;
1395 }
1396
1397 if(kprint<0){
1398 printf("\nAliTRDdEdxUtils::CookdEdxV2 summary:\n");
1399
1400 printf("\nfgNchamber = %d\n", fgNchamber);
1401 for(Int_t ich=0; ich<AliTRDtrackV1::kNplane; ich++){
1402 printf("fgChamberTmean[%d] = %15f; fgChamberQ[%d] = %15f;\n", ich, fgChamberTmean[ich], ich, fgChamberQ[ich]);
1403 }
1404 }
1405
1406 fgTrackTmean = -999;
1407 if(fgNchamber){
1408 fgTrackTmean = 0;
1409 for(Int_t ich=0; ich<AliTRDtrackV1::kNplane; ich++){
1410 fgTrackTmean += fgChamberTmean[ich];
1411 }
1412 fgTrackTmean /= fgNchamber;
1413 }
1414
1415 if(kprint<0){
1416 printf("\nAliTRDdEdxUtils::CookdEdxV2\n");
1417 printf("GetTrackTmean() %15f\n", GetTrackTmean());
1418 printf("\n");
1419 }
1420 kprint++;
1421
1422 return;
1423}
1424
1425
1426//===================================================================================
1427// dEdx Parameterization
1428//===================================================================================
1429
1430Double_t AliTRDdEdxUtils::Q0MeanTRDpp(const Double_t bg)
1431{
1432 //
1433 //truncated Mean Q_{xx} in TRD
1434 //
1435
1436 Double_t par[8];
1437 //03132012161150
1438 //opt: ppQ0
1439par[0]= 2.397001e-01;
1440par[1]= 1.334697e+00;
1441par[2]= 6.967470e+00;
1442par[3]= 9.055289e-02;
1443par[4]= 9.388760e+00;
1444par[5]= 9.452742e-04;
1445par[6]= -1.866091e+00;
1446par[7]= 1.403545e+00;
1447
1448 ///u/xlu/.task/CommondEdx/myAnaData/Optimum/check11/Merged/LHC10e_plot/Separation/see2.log:hhtype2Q0b2c2 scale 0.428543 at ltbg 0.650000
1449 return 0.428543*MeandEdxTR(&bg, par);
1450}
1451
1452Double_t AliTRDdEdxUtils::Q0MeanTRDPbPb(const Double_t bg)
1453{
1454 //
1455 //truncated Mean Q_{xx} in TRD
1456 //
1457
1458 Double_t par[8];
1459
1460 //03132012161259
1461 //opt: PbPbQ0
1462par[0]= 1.844912e-01;
1463par[1]= 2.509702e+00;
1464par[2]= 6.744031e+00;
1465par[3]= 7.355123e-02;
1466par[4]= 1.166023e+01;
1467par[5]= 1.736186e-04;
1468par[6]= -1.716063e+00;
1469par[7]= 1.611366e+00;
1470
1471 ///u/xlu/.task/CommondEdx/myAnaData/Optimum/check11/Merged/LHC10e_plot/Separation/see4.log:hhtype4Q0b2c2 scale 0.460994 at ltbg 0.650000
1472 return 0.460994*MeandEdxTR(&bg, par);
1473}
1474
1475Double_t AliTRDdEdxUtils::Q1MeanTRDpp(const Double_t bg)
1476{
1477 //
1478 //truncated Mean 1/(1/Q)_{xx} in TRD
1479 //
1480
1481 Double_t par[8];
1482
1483