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Reverting commit 47149, it breaks the compilation
[u/mrichter/AliRoot.git] / PWG1 / ITS / AliAlignmentDataFilterITS.cxx
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f27a7e81 1/**************************************************************************
2 * Copyright(c) 1998-2009, 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// AliAnalysisTask to extract from ESD tracks the AliTrackPointArrays
19// with ITS points for selected tracks. This are the input data for alignment
20//
367c6d1f 21// Author: A.Dainese, andrea.dainese@pd.infn.it
f27a7e81 22/////////////////////////////////////////////////////////////
23
24#include <TTree.h>
eef875ec 25#include <TFile.h>
26#include <TSystem.h>
f27a7e81 27#include <TChain.h>
28#include <TNtuple.h>
29#include <TList.h>
30#include <TH1F.h>
31#include <TH2F.h>
cf53e6db 32#include <TMap.h>
f27a7e81 33#include <TVector3.h>
34#include <TGeoManager.h>
28647bf6 35#include <TRandom.h>
f27a7e81 36
37#include "AliLog.h"
eef875ec 38#include "AliCDBEntry.h"
f27a7e81 39#include "AliGeomManager.h"
a043746c 40#include "AliITSReconstructor.h"
eef875ec 41#include "AliITSAlignMille2Module.h"
f27a7e81 42#include "AliITSgeomTGeo.h"
43#include "AliTrackPointArray.h"
44#include "AliESDInputHandler.h"
45#include "AliESDVertex.h"
46#include "AliESDtrack.h"
47#include "AliESDEvent.h"
48#include "AliESDfriend.h"
b900a060 49#include "AliAnalysisTaskSE.h"
f27a7e81 50#include "AliAnalysisManager.h"
51#include "AliAlignmentDataFilterITS.h"
52
53
54ClassImp(AliAlignmentDataFilterITS)
55
56
b900a060 57//________________________________________________________________________
58AliAlignmentDataFilterITS::AliAlignmentDataFilterITS():
59AliAnalysisTaskSE(),
60fOnlySPDFO(kFALSE),
28647bf6 61fDownsamplelowpt(kFALSE),
b900a060 62fGeometryFileName("geometry.root"),
63fITSRecoParam(0),
64fESD(0),
65fListOfHistos(0),
66fspTree(0),
67fHistNevents(0),
68fHistNpoints(0),
69fHistPt(0),
70fHistLayer0(0),
71fHistLayer1(0),
72fHistLayer2(0),
73fHistLayer3(0),
74fHistLayer4(0),
75fHistLayer5(0),
76fntExtra(0),
77fntCosmicMatching(0)
78{
79 // Constructor
80}
81
f27a7e81 82//________________________________________________________________________
83AliAlignmentDataFilterITS::AliAlignmentDataFilterITS(const char *name):
b900a060 84AliAnalysisTaskSE(name),
367c6d1f 85fOnlySPDFO(kFALSE),
28647bf6 86fDownsamplelowpt(kFALSE),
367c6d1f 87fGeometryFileName("geometry.root"),
88fITSRecoParam(0),
f27a7e81 89fESD(0),
f27a7e81 90fListOfHistos(0),
91fspTree(0),
480207c6 92fHistNevents(0),
f27a7e81 93fHistNpoints(0),
94fHistPt(0),
95fHistLayer0(0),
96fHistLayer1(0),
97fHistLayer2(0),
98fHistLayer3(0),
99fHistLayer4(0),
100fHistLayer5(0),
101fntExtra(0),
102fntCosmicMatching(0)
103{
104 // Constructor
105
b900a060 106 // Define output slots here
107
108 // Output slot #1 writes into a TTree
109 DefineOutput(1,TTree::Class()); //My private output
110 // Output slot #2 writes into a TList
111 DefineOutput(2,TList::Class()); //My private output
f27a7e81 112}
113
114//________________________________________________________________________
115AliAlignmentDataFilterITS::~AliAlignmentDataFilterITS()
116{
117 // Destructor
118 if (fListOfHistos) {
119 delete fListOfHistos;
120 fListOfHistos = 0;
121 }
122 if (fspTree) {
123 delete fspTree;
124 fspTree = 0;
125 }
480207c6 126 if (fHistNevents) {
127 delete fHistNevents;
128 fHistNevents = 0;
129 }
a043746c 130 if (fHistNpoints) {
131 delete fHistNpoints;
132 fHistNpoints = 0;
133 }
f27a7e81 134 if (fHistPt) {
135 delete fHistPt;
136 fHistPt = 0;
137 }
138 if (fHistLayer0) {
139 delete fHistLayer0;
140 fHistLayer0 = 0;
141 }
142 if (fHistLayer1) {
143 delete fHistLayer1;
144 fHistLayer1 = 0;
145 }
146 if (fHistLayer2) {
147 delete fHistLayer2;
148 fHistLayer2 = 0;
149 }
150 if (fHistLayer3) {
151 delete fHistLayer3;
152 fHistLayer3 = 0;
153 }
154 if (fHistLayer4) {
155 delete fHistLayer4;
156 fHistLayer4 = 0;
157 }
158 if (fHistLayer5) {
159 delete fHistLayer5;
160 fHistLayer5 = 0;
161 }
162 if (fntExtra) {
163 delete fntExtra;
164 fntExtra = 0;
165 }
166 if (fntCosmicMatching) {
167 delete fntCosmicMatching;
168 fntCosmicMatching = 0;
169 }
170}
a043746c 171
f27a7e81 172
173//________________________________________________________________________
b900a060 174void AliAlignmentDataFilterITS::UserCreateOutputObjects()
f27a7e81 175{
176 // Create the output container
177 //
c1605e49 178
179 // load the geometry
180 if(!gGeoManager) {
181 printf("AliAlignmentDataFilterITS::CreateOutputObjects(): loading geometry from %s\n",fGeometryFileName.Data());
182 AliGeomManager::LoadGeometry(fGeometryFileName.Data());
183 if(!gGeoManager) {
184 printf("AliAlignmentDataFilterITS::CreateOutputObjects(): no geometry loaded \n");
185 return;
186 }
187 }
f27a7e81 188
189 // Several histograms are more conveniently managed in a TList
190 fListOfHistos = new TList();
191 fListOfHistos->SetOwner();
a043746c 192
480207c6 193 fHistNevents = new TH1F("fHistNevents", "Number of processed events; N events; bin",5,-0.5,4.5);
194 fHistNevents->Sumw2();
195 fHistNevents->SetMinimum(0);
196 fListOfHistos->Add(fHistNevents);
f27a7e81 197
198 fHistNpoints = new TH1F("fHistNpoints", "Number of AliTrackPoints per track; N points; tracks",25,-0.5,24.5);
199 fHistNpoints->Sumw2();
200 fHistNpoints->SetMinimum(0);
201 fListOfHistos->Add(fHistNpoints);
202
203 fHistPt = new TH1F("fHistPt", "p_{t} of tracks; p_{t} [GeV/c]; tracks",100,0,50);
204 fHistPt->Sumw2();
205 fHistPt->SetMinimum(0);
206 fListOfHistos->Add(fHistPt);
207
208
209 Float_t zmax=14.;
210 Int_t nbinsphi=20,nbinsz=4;
211 fHistLayer0 = new TH2F("fHistLayer0","Points in layer inner SPD; global #phi; global z [cm]",nbinsphi,-3.14,3.14,nbinsz,-zmax,zmax);
212 fListOfHistos->Add(fHistLayer0);
213 zmax=14.;
214 nbinsphi=40;nbinsz=4;
215 fHistLayer1 = new TH2F("fHistLayer1","Points in layer outer SPD; global #phi; global z [cm]",nbinsphi,-3.14,3.14,nbinsz,-zmax,zmax);
216 fListOfHistos->Add(fHistLayer1);
217 zmax=22.;
218 nbinsphi=14;nbinsz=6;
219 fHistLayer2 = new TH2F("fHistLayer2","Points in layer inner SDD; global #phi; global z [cm]",nbinsphi,-3.14,3.14,nbinsz,-zmax,zmax);
220 fListOfHistos->Add(fHistLayer2);
221 zmax=29.5;
222 nbinsphi=22;nbinsz=8;
223 fHistLayer3 = new TH2F("fHistLayer3","Points in layer outer SDD; global #phi; global z [cm]",nbinsphi,-3.14,3.14,nbinsz,-zmax,zmax);
224 fListOfHistos->Add(fHistLayer3);
225 zmax=45.;
226 nbinsphi=34;nbinsz=23;
227 fHistLayer4 = new TH2F("fHistLayer4","Points in layer inner SSD; global #phi; global z [cm]",nbinsphi,-3.14,3.14,nbinsz,-zmax,zmax);
228 fListOfHistos->Add(fHistLayer4);
229 zmax=51.;
230 nbinsphi=38;nbinsz=26;
231 fHistLayer5 = new TH2F("fHistLayer5","Points in layer outer SSD; global #phi; global z [cm]",nbinsphi,-3.14,3.14,nbinsz,-zmax,zmax);
232 fListOfHistos->Add(fHistLayer5);
233
234
cdf8a7eb 235 fntExtra = new TNtuple("fntExtra","extra clusters in ITS","ncls:layer:ladder:volid:phi:x:y:z:xloc:zloc:dxy:dz:d0mu:z0mu:pt");
f27a7e81 236 fListOfHistos->Add(fntExtra);
237
238 fntCosmicMatching = new TNtuple("fntCosmicMatching","cosmic tracks matching in ITS","ncls1:ncls2:pt1:pt2:sigmad01:sigmad02:sigmaz01:sigmaz02:dxy:dz:phimu:thetamu:d0mu:z0mu");
239 fListOfHistos->Add(fntCosmicMatching);
240
3acc122a 241 fspTree = new TTree("spTree","Tree with ITS track points");
eef875ec 242 AliTrackPointArray *array = 0;
44f17b29 243 AliESDVertex *vertex = 0;
eef875ec 244 Float_t curv=0,curverr=0,runNumber=0;
245 TObjString *itsaligndata = 0;
246 TObjString *itscalibrespsdd = 0;
f27a7e81 247 fspTree->Branch("SP","AliTrackPointArray",&array);
44f17b29 248 fspTree->Branch("vertex","AliESDVertex",&vertex);
f27a7e81 249 fspTree->Branch("curv",&curv);
250 fspTree->Branch("curverr",&curverr);
ab6c74ff 251 fspTree->Branch("run",&runNumber);
252 fspTree->Branch("ITSAlignData",&itsaligndata);
3b9267a6 253 fspTree->Branch("ITSCalibRespSDD",&itscalibrespsdd);
f27a7e81 254
255 return;
256}
257
258//________________________________________________________________________
b900a060 259void AliAlignmentDataFilterITS::UserExec(Option_t */*option*/)
f27a7e81 260{
261 // Execute analysis for current event:
262 // write ITS AliTrackPoints for selected tracks to fspTree
a043746c 263
c1605e49 264 // check the geometry
265 if(!gGeoManager) {
266 printf("AliAlignmentDataFilterITS::Exec(): no geometry loaded \n");
267 return;
367c6d1f 268 }
269
270 // check if we have AliITSRecoParam
a043746c 271 if(!GetRecoParam()) {
367c6d1f 272 if(!fITSRecoParam) {
273 printf("AliAlignmentDataFilterITS::Exec(): no AliITSRecoParam\n");
274 return;
275 }
f27a7e81 276 }
277
b900a060 278 fESD = dynamic_cast<AliESDEvent*>(InputEvent());
f27a7e81 279 if(!fESD) {
280 printf("AliAlignmentDataFilterITS::Exec(): no ESD \n");
281 return;
282 }
f27a7e81 283
28647bf6 284 //AliESDfriend *esdfriend = (AliESDfriend*)(fESD->FindListObject("AliESDfriend"));
285
286 //if(!esdfriend) printf("AliAlignmentDataFilterITS::Exec(): no ESDfriend \n");
287 //fESD->SetESDfriend(esdfriend);
288
480207c6 289 // Post the data for slot 0
290 fHistNevents->Fill(0);
291
cf53e6db 292
293 // write field value to spTree UserInfo
294 if(!((fspTree->GetUserInfo())->FindObject("BzkGauss"))) {
295 Double_t bz=fESD->GetMagneticField();
296 TString bzString; bzString+=bz;
297 TObjString *bzObjString = new TObjString(bzString);
298 TList *bzList = new TList();
299 bzList->SetOwner(1);
300 bzList->SetName("BzkGauss");
301 bzList->Add(bzObjString);
302 fspTree->GetUserInfo()->Add(bzList);
303 }
304
b900a060 305 // write OCDB info to spTree UserInfo
306 if(!((fspTree->GetUserInfo())->FindObject("cdbList"))) {
307 TTree* tree = dynamic_cast<TTree*> (GetInputData(0));
308 if(!tree) {
309 printf("ERROR: Could not read chain from input slot 0\n");
310 } else {
311 // Get the OCDB path and the list of OCDB objects used for reco
312 TMap *cdbMap = (TMap*)(tree->GetTree()->GetUserInfo())->FindObject("cdbMap");
313 TList *cdbList = (TList*)(tree->GetTree()->GetUserInfo())->FindObject("cdbList");
314
315 //cdbList->Print();
316 // write the list to the user info of the output tree
317 if(!fspTree) {
318 printf("ERROR: fspTree does not exist\n");
319 } else {
320 TMap *cdbMapCopy = new TMap(cdbMap->GetEntries());
321 cdbMapCopy->SetOwner(1);
322 cdbMapCopy->SetName("cdbMap");
323 TIter iter1(cdbMap->GetTable());
324
325 TPair* pair = 0;
326 while((pair = dynamic_cast<TPair*> (iter1.Next()))){
327 TObjString* keyStr = dynamic_cast<TObjString*> (pair->Key());
328 TObjString* valStr = dynamic_cast<TObjString*> (pair->Value());
b6292968 329 if(keyStr && valStr) cdbMapCopy->Add(new TObjString(keyStr->GetName()), new TObjString(valStr->GetName()));
b900a060 330 }
331
332 TList *cdbListCopy = new TList();
333 cdbListCopy->SetOwner(1);
334 cdbListCopy->SetName("cdbList");
335
336 TIter iter2(cdbList);
337
338 TObjString* cdbEntry=0;
339 while((cdbEntry =(TObjString*)(iter2.Next()))) {
340 cdbListCopy->Add(new TObjString(*cdbEntry));
341 }
342 cdbListCopy->Print();
343
344
345 fspTree->GetUserInfo()->Add(cdbMapCopy);
346 fspTree->GetUserInfo()->Add(cdbListCopy);
347 }
348 }
349 }
350
351
cf53e6db 352
f27a7e81 353 // Process event as Cosmic or Collision
44f17b29 354 if(fESD->GetEventSpecie()<=1) {
355 printf("AliAlignmentDataFilterITS::Exec(): event specie not set !\n");
356 if(GetRecoParam()->GetAlignFilterCosmics()) {
357 FilterCosmic(fESD);
358 } else {
359 FilterCollision(fESD);
360 }
361 } else if(fESD->GetEventSpecie()==8) {
f27a7e81 362 FilterCosmic(fESD);
363 } else {
364 FilterCollision(fESD);
365 }
366
b900a060 367 PostData(2,fListOfHistos);
480207c6 368
f27a7e81 369 return;
370}
371
372//________________________________________________________________________
373void AliAlignmentDataFilterITS::FilterCosmic(const AliESDEvent *esd)
374{
375 // Extract ITS AliTrackPoints for Cosmics (check angular matching
376 // of top and bottom track, merge the two tracks, if requested)
377 //
378
379 // Set branch addresses for space points tree
380 AliTrackPointArray *arrayForTree=0;
44f17b29 381 AliESDVertex *vertexForTree=0;
ab6c74ff 382 Float_t curv,curverr,runNumber;
383 TObjString *itsaligndata=0;
3b9267a6 384 TObjString *itscalibrespsdd = 0;
f27a7e81 385 fspTree->SetBranchAddress("SP",&arrayForTree);
44f17b29 386 fspTree->SetBranchAddress("vertex",&vertexForTree);
f27a7e81 387 fspTree->SetBranchAddress("curv",&curv);
388 fspTree->SetBranchAddress("curverr",&curverr);
ab6c74ff 389 fspTree->SetBranchAddress("run",&runNumber);
390 fspTree->SetBranchAddress("ITSAlignData",&itsaligndata);
3b9267a6 391 fspTree->SetBranchAddress("ITSCalibRespSDD",&itscalibrespsdd);
ab6c74ff 392
393
394 runNumber = (Float_t)esd->GetRunNumber();
b900a060 395 Int_t uid=10000+esd->GetEventNumberInFile();
ab6c74ff 396
397 TTree* esdTree = dynamic_cast<TTree*> (GetInputData(0));
b6292968 398 if(!esdTree) return;
ab6c74ff 399 // Get the list of OCDB objects used for reco
400 TList *cdbList = (TList*)(esdTree->GetTree()->GetUserInfo())->FindObject("cdbList");
401 TIter iter2(cdbList);
402 TObjString* cdbEntry=0;
403 TString cdbEntryString;
404 while((cdbEntry =(TObjString*)(iter2.Next()))) {
9f37905a 405 cdbEntryString = cdbEntry->GetString();
406 if(cdbEntryString.Contains("ITS/Align/Data"))
407 itsaligndata = new TObjString(*cdbEntry);
408 if(cdbEntryString.Contains("ITS/Calib/RespSDD"))
409 itscalibrespsdd = new TObjString(*cdbEntry);
ab6c74ff 410 }
411
f27a7e81 412
b900a060 413 TString triggeredClass = esd->GetFiredTriggerClasses();
367c6d1f 414 if(fOnlySPDFO && !triggeredClass.Contains("C0SCO-ABCE-NOPF-CENT")) return;
415
f27a7e81 416
417 Int_t ntracks = esd->GetNumberOfTracks();
418 if(ntracks<2) return;
419
420 if(esd->GetPrimaryVertexSPD()->GetNContributors()<0) return;
421
422 Double_t vtxpos[3]; esd->GetPrimaryVertexSPD()->GetXYZ(vtxpos);
423
424 Int_t *goodtracksArray = new Int_t[ntracks];
425 Float_t *phiArray = new Float_t[ntracks];
426 Float_t *thetaArray = new Float_t[ntracks];
427 Int_t *nclsArray = new Int_t[ntracks];
428 Int_t ngt=0;
429 Int_t itrack=0;
430 for (itrack=0; itrack < ntracks; itrack++) {
431 AliESDtrack *track = esd->GetTrack(itrack);
432 if (!track) continue;
433
434
367c6d1f 435 if(track->GetNcls(0)<GetRecoParam()->GetAlignFilterMinITSPoints()) continue;
f27a7e81 436
a043746c 437 if((GetRecoParam()->GetAlignFilterOnlyITSSATracks()) && track->GetNcls(1)>0) continue;
438 if((GetRecoParam()->GetAlignFilterOnlyITSTPCTracks()) && track->GetNcls(1)==0) continue;
f27a7e81 439
440 Float_t phi = track->GetAlpha()+TMath::ASin(track->GetSnp());
441 Float_t theta = 0.5*TMath::Pi()-TMath::ATan(track->GetTgl());
442
367c6d1f 443 if(track->Pt()<GetRecoParam()->GetAlignFilterMinPt() ||
444 track->Pt()>GetRecoParam()->GetAlignFilterMaxPt()) continue;
f27a7e81 445
446 goodtracksArray[ngt] = itrack;
447 phiArray[ngt] = phi;
448 thetaArray[ngt] = theta;
449 nclsArray[ngt] = track->GetNcls(0);
450 ngt++;
451 }
452
453 if(ngt<2) {
454 delete [] goodtracksArray; goodtracksArray=0;
455 delete [] phiArray; phiArray=0;
456 delete [] thetaArray; thetaArray=0;
457 delete [] nclsArray; nclsArray=0;
458 return;
459 }
460
461 // check matching of the two tracks from the muon
462 Float_t min = 10000000.;
463 Int_t maxCls = 0;
464 Int_t good1 = -1, good2 = -1;
465 for(Int_t itr1=0; itr1<ngt-1; itr1++) {
466 for(Int_t itr2=itr1+1; itr2<ngt; itr2++) {
467 Float_t deltatheta = TMath::Abs(TMath::Pi()-thetaArray[itr1]-thetaArray[itr2]);
367c6d1f 468 if(deltatheta>GetRecoParam()->GetAlignFilterMaxMatchingAngle()) continue;
f27a7e81 469 Float_t deltaphi = TMath::Abs(TMath::Abs(phiArray[itr1]-phiArray[itr2])-TMath::Pi());
367c6d1f 470 if(deltaphi>GetRecoParam()->GetAlignFilterMaxMatchingAngle()) continue;
f27a7e81 471 if(nclsArray[itr1]+nclsArray[itr2] > maxCls) {
472 maxCls = nclsArray[itr1]+nclsArray[itr2];
473 min = deltatheta+deltaphi;
474 good1 = goodtracksArray[itr1];
475 good2 = goodtracksArray[itr2];
476 } else if(nclsArray[itr1]+nclsArray[itr2] == maxCls) {
477 if(deltatheta+deltaphi < min) {
478 min = deltatheta+deltaphi;
479 good1 = goodtracksArray[itr1];
480 good2 = goodtracksArray[itr2];
481 }
482 }
483 }
484 }
485
486 delete [] goodtracksArray; goodtracksArray=0;
487 delete [] phiArray; phiArray=0;
488 delete [] thetaArray; thetaArray=0;
489 delete [] nclsArray; nclsArray=0;
490
491 if(good1<0) return;
492 AliDebug(2,"ok track matching");
493
494 // track1 will be the inward track (top)
495 // track2 the outward (bottom)
496 AliESDtrack *track1=0;
497 AliESDtrack *track2=0;
498 AliESDtrack *track = esd->GetTrack(good1);
499 if(track->Py()>0) {
500 track1 = esd->GetTrack(good1);
501 track2 = esd->GetTrack(good2);
502 } else {
503 track1 = esd->GetTrack(good2);
504 track2 = esd->GetTrack(good1);
505 }
506
507 AliTrackPoint point;
508 const AliTrackPointArray *array=0;
509 Int_t ipt,volId,modId,layerId,lay,lad,det;
510 Int_t jpt=0;
511 Bool_t layerOK[6][2];
512 Int_t nclsTrk[2]={0,0};
513
514 for(Int_t l1=0;l1<6;l1++) for(Int_t l2=0;l2<2;l2++) layerOK[l1][l2]=kFALSE;
515
516 for(itrack=0; itrack<2; itrack++) {
517 if(itrack==0) {
518 track = track1;
519 } else {
520 track = track2;
521 }
522 array = track->GetTrackPointArray();
523 if(!array) {
524 AliWarning("No tracks points avaialble");
525 continue;
526 }
527 for(ipt=0; ipt<array->GetNPoints(); ipt++) {
528 array->GetPoint(point,ipt);
529 volId = point.GetVolumeID();
9f2b55aa 530 if(volId<=0) continue;
f27a7e81 531 layerId = AliGeomManager::VolUIDToLayer(volId,modId);
9f2b55aa 532 AliDebug(2,Form("%d %d %d %f\n",ipt,layerId-1,volId,TMath::Sqrt(point.GetX()*point.GetX()+point.GetY()*point.GetY())));
f27a7e81 533 if(point.IsExtra() &&
a043746c 534 (GetRecoParam()->GetAlignFilterSkipExtra())) continue;
9f2b55aa 535 if(layerId<1 || layerId>6) continue;
367c6d1f 536 if(!GetRecoParam()->GetAlignFilterUseLayer(layerId-1)) continue;
f27a7e81 537 // check minAngleWrtITSModulePlanes
538 Double_t p[3]; track->GetDirection(p);
539 TVector3 pvec(p[0],p[1],p[2]);
540 Double_t rot[9]; AliGeomManager::GetOrigRotation(volId,rot);
541 TVector3 normvec(rot[1],rot[4],rot[7]);
542 Double_t angle = pvec.Angle(normvec);
543 if(angle>0.5*TMath::Pi()) angle = TMath::Pi()-angle;
544 angle = 0.5*TMath::Pi()-angle;
367c6d1f 545 if(angle<GetRecoParam()->GetAlignFilterMinAngleWrtModulePlanes()) continue;
f27a7e81 546 layerOK[layerId-1][itrack]=kTRUE;
547 jpt++;
548 nclsTrk[itrack]++;
549 }
550 }
551 AliDebug(2,Form("nClsTrk1 %d nClsTrk2 %d\n",nclsTrk[0],nclsTrk[1]));
552
553 // read ITS cluster maps
554 Int_t map1[6],map2[6];
555 for(Int_t ilay=0;ilay<6;ilay++) {
556 map1[ilay]=0; map2[ilay]=0;
557 if(track1->HasPointOnITSLayer(ilay)) map1[ilay]=1;
558 if(track2->HasPointOnITSLayer(ilay)) map2[ilay]=1;
559 }
560 AliDebug(2,Form("ITS map 1: %d %d %d %d %d %d pt %f\n",map1[0],map1[1],map1[2],map1[3],map1[4],map1[5],track1->Pt()));
561 AliDebug(2,Form("ITS map 2: %d %d %d %d %d %d pt %f\n",map2[0],map2[1],map2[2],map2[3],map2[4],map2[5],track2->Pt()));
562 Int_t idx1[12],idx2[12];
563 track1->GetITSclusters(idx1);
564 track2->GetITSclusters(idx2);
565 AliDebug(2,Form("cls idx 1 %d %d %d %d %d %d %d %d %d %d %d %d\n",idx1[0],idx1[1],idx1[2],idx1[3],idx1[4],idx1[5],idx1[6],idx1[7],idx1[8],idx1[9],idx1[10],idx1[11]));
566 AliDebug(2,Form("cls idx 2 %d %d %d %d %d %d %d %d %d %d %d %d\n",idx2[0],idx2[1],idx2[2],idx2[3],idx2[4],idx2[5],idx2[6],idx2[7],idx2[8],idx2[9],idx2[10],idx2[11]));
567
568
367c6d1f 569 if(jpt<GetRecoParam()->GetAlignFilterMinITSPointsMerged()) return;
f27a7e81 570 AliDebug(2,Form(" Total points %d, accepted\n",jpt));
571 fHistNpoints->Fill(jpt);
572 fHistPt->Fill(0.5*(track1->Pt()+track2->Pt()));
573
574 Float_t d0z0mu[2];
575 track1->GetDZ(0,0,0,esd->GetMagneticField(),d0z0mu);
576 //printf("d0mu %f z0mu %f\n",d0z0mu[0],d0z0mu[1]);
577
44f17b29 578 vertexForTree = new AliESDVertex(*(esd->GetPrimaryVertexSPD()));
b6292968 579 vertexForTree->SetID(0);
44f17b29 580
f27a7e81 581 Float_t dzOverlap[2];
582 Float_t curvArray[2],curverrArray[2];
583 Double_t globExtra[3],locExtra[3];
cdf8a7eb 584 if(GetRecoParam()->GetAlignFilterCosmicMergeTracks()) {
f27a7e81 585 arrayForTree = new AliTrackPointArray(jpt);
cdf8a7eb 586 arrayForTree->SetUniqueID(uid);
587 }
f27a7e81 588 jpt=0;
589 for(itrack=0; itrack<2; itrack++) {
590 if(itrack==0) {
591 track = track1;
592 } else {
593 track = track2;
594 }
595 curvArray[itrack] = track->GetC(esd->GetMagneticField());
596 curverrArray[itrack] = TMath::Sqrt(track->GetSigma1Pt2())*track->GetC(esd->GetMagneticField())/track->OneOverPt();
597
a043746c 598 if(!(GetRecoParam()->GetAlignFilterCosmicMergeTracks())) {
f27a7e81 599 jpt=0;
600 arrayForTree = new AliTrackPointArray(nclsTrk[itrack]);
cdf8a7eb 601 arrayForTree->SetUniqueID(uid);
f27a7e81 602 }
603 array = track->GetTrackPointArray();
604 for(ipt=0; ipt<array->GetNPoints(); ipt++) {
605 array->GetPoint(point,ipt);
606 volId = point.GetVolumeID();
9f2b55aa 607 if(volId<=0) continue;
f27a7e81 608 layerId = AliGeomManager::VolUIDToLayer(volId,modId);
9f2b55aa 609 if(layerId<1 || layerId>6 || !layerOK[layerId-1][itrack]) continue;
f27a7e81 610 arrayForTree->AddPoint(jpt,&point);
611 jpt++;
612 switch(layerId) {
613 case 1:
614 fHistLayer0->Fill(TMath::ATan2(point.GetY(),point.GetX()),point.GetZ());
615 break;
616 case 2:
617 fHistLayer1->Fill(TMath::ATan2(point.GetY(),point.GetX()),point.GetZ());
618 break;
619 case 3:
620 fHistLayer2->Fill(TMath::ATan2(point.GetY(),point.GetX()),point.GetZ());
621 break;
622 case 4:
623 fHistLayer3->Fill(TMath::ATan2(point.GetY(),point.GetX()),point.GetZ());
624 break;
625 case 5:
626 fHistLayer4->Fill(TMath::ATan2(point.GetY(),point.GetX()),point.GetZ());
627 break;
628 case 6:
629 fHistLayer5->Fill(TMath::ATan2(point.GetY(),point.GetX()),point.GetZ());
630 break;
631 }
b900a060 632 // Post the data for slot 2
633 if(jpt==1) PostData(2,fListOfHistos); // only if this is the first points
f27a7e81 634 if(!point.IsExtra() ||
a043746c 635 !(GetRecoParam()->GetAlignFilterFillQANtuples())) continue;
f27a7e81 636 nclsTrk[itrack]--;
637 for(Int_t ll=1;ll<layerId;ll++) modId+=AliITSgeomTGeo::GetNLadders(ll)*AliITSgeomTGeo::GetNDetectors(ll);
638 AliITSgeomTGeo::GetModuleId(modId,lay,lad,det);
639 globExtra[0]=point.GetX();
640 globExtra[1]=point.GetY();
641 globExtra[2]=point.GetZ();
642 AliITSgeomTGeo::GlobalToLocal(lay,lad,det,globExtra,locExtra);
643 //printf("%d %d %d %d %d %f %f %f\n",volId,modId,lay,lad,det,locExtra[0],locExtra[1],locExtra[2]);
644 track->GetDZ(point.GetX(),point.GetY(),point.GetZ(),esd->GetMagneticField(),dzOverlap);
645 AliTrackPoint pointT;
646 Float_t radius,radiusT,phiv,phivT,thetav,thetavT;
647 for(Int_t lll=0;lll<ipt;lll++) {
648 array->GetPoint(pointT,lll);
9f2b55aa 649 if(pointT.GetVolumeID()<=0) continue;
f27a7e81 650 Int_t layerIdT = AliGeomManager::VolUIDToLayer(pointT.GetVolumeID(),modId);
651 if(layerIdT!=layerId) continue;
652 radius=TMath::Sqrt((point.GetX()-vtxpos[0])*(point.GetX()-vtxpos[0])+(point.GetY()-vtxpos[1])*(point.GetY()-vtxpos[1]));
653 radiusT=TMath::Sqrt((pointT.GetX()-vtxpos[0])*(pointT.GetX()-vtxpos[0])+(pointT.GetY()-vtxpos[1])*(pointT.GetY()-vtxpos[1]));
654 phiv=TMath::ATan2(point.GetY()-vtxpos[1],point.GetX()-vtxpos[0]);
655 phivT=TMath::ATan2(pointT.GetY()-vtxpos[1],pointT.GetX()-vtxpos[0]);
656 if(TMath::Abs(point.GetZ()-vtxpos[2])<0.00001 || TMath::Abs(pointT.GetZ()-vtxpos[2])<0.00001) continue;
657 thetav=TMath::ATan(radius/(point.GetZ()-vtxpos[2]));
658 thetavT=TMath::ATan(radiusT/(pointT.GetZ()-vtxpos[2]));
659 dzOverlap[0]=(Float_t)((phivT-phiv)*0.5*(radiusT+radius));
660 if(TMath::Abs(TMath::Tan(0.5*(thetav+thetavT)))<0.00001) continue;
661 dzOverlap[1]=(Float_t)((pointT.GetZ()-point.GetZ())-(radiusT-radius)/TMath::Tan(0.5*(thetav+thetavT)));
cdf8a7eb 662 fntExtra->Fill((Float_t)nclsTrk[itrack],(Float_t)(layerId-1),lad,volId,TMath::ATan2(point.GetY(),point.GetX()),point.GetX(),point.GetY(),point.GetZ(),locExtra[0],locExtra[2],dzOverlap[0],dzOverlap[1],d0z0mu[0],d0z0mu[1],track->Pt());
f27a7e81 663 }
664 }
665
a043746c 666 if(!(GetRecoParam()->GetAlignFilterCosmicMergeTracks())) {
f27a7e81 667 curv = curvArray[itrack];
668 curverr = curverrArray[itrack];
669 fspTree->Fill();
670 }
671 }
672
367c6d1f 673 if(GetRecoParam()->GetAlignFilterCosmicMergeTracks()) {
3e33351b 674 curv = 0.5*(curvArray[0]-curvArray[1]); // the "-" is because the two tracks have opposite curvature!
f27a7e81 675 curverr = 0.5*TMath::Sqrt(curverrArray[0]*curverrArray[0]+curverrArray[1]*curverrArray[1]);
676 fspTree->Fill();
677 }
b900a060 678 PostData(1,fspTree);
f27a7e81 679
a043746c 680 if(!(GetRecoParam()->GetAlignFilterFillQANtuples())) return;
f27a7e81 681 // fill ntuple with track-to-track matching
682 Float_t phimu,thetamu,phiout,thetaout,dphi,dtheta,rotymu,rotyout,droty;
683 Float_t d0[2],z0[2];
684 Float_t sigmad0[2],sigmaz0[2];
685 phimu = track1->GetAlpha()+TMath::ASin(track1->GetSnp());
686 thetamu = 0.5*TMath::Pi()-TMath::ATan(track1->GetTgl());
687 phiout = track2->GetAlpha()+TMath::ASin(track2->GetSnp());
688 thetaout = 0.5*TMath::Pi()-TMath::ATan(track2->GetTgl());
689 rotymu = TMath::ATan2(track1->Px(),track1->Pz());
690 rotyout = TMath::ATan2(track2->Px(),track2->Pz());
691
692 dphi = phimu - (phiout+TMath::Pi());
693 dtheta = thetamu - (TMath::Pi()-thetaout);
694 if(rotymu>0) {
695 droty = rotymu - (rotyout+TMath::Pi());
696 } else {
697 droty = rotymu - (rotyout-TMath::Pi());
698 }
699
700 Double_t alpha = TMath::ATan2(track1->Py(),track1->Px());
701
702 track1->Propagate(alpha,0.,esd->GetMagneticField());
703 track2->Propagate(alpha,0.,esd->GetMagneticField());
704 d0[0] = track1->GetY();
705 z0[0] = track1->GetZ();
706 d0[1] = track2->GetY();
707 z0[1] = track2->GetZ();
708 Float_t dxy = -(d0[0]-d0[1]);
709 Float_t dz = z0[0]-z0[1];
710 sigmad0[0] = TMath::Sqrt(track1->GetSigmaY2());
711 sigmaz0[0] = TMath::Sqrt(track1->GetSigmaZ2());
712 sigmad0[1] = TMath::Sqrt(track2->GetSigmaY2());
713 sigmaz0[1] = TMath::Sqrt(track2->GetSigmaZ2());
714 /*
715 Double_t xyz1atxl0[3],xyz1atxl1[3],xyz2atxl0[3],xyz2atxl1[3];
716 track1->GetXYZAt(0.,esd->GetMagneticField(),xyz1atxl0);
717 track1->GetXYZAt(1.,esd->GetMagneticField(),xyz1atxl1);
718 track2->GetXYZAt(0.,esd->GetMagneticField(),xyz2atxl0);
719 track2->GetXYZAt(1.,esd->GetMagneticField(),xyz2atxl1);
720 Float_t x1aty0 = (xyz1atxl0[0]*xyz1atxl1[1]-xyz1atxl0[1]*xyz1atxl1[0])/(xyz1atxl1[1]-xyz1atxl0[1]);
721 Float_t x2aty0 = (xyz2atxl0[0]*xyz2atxl1[1]-xyz2atxl0[1]*xyz2atxl1[0])/(xyz2atxl1[1]-xyz2atxl0[1]);
722 Float_t dxaty0 = x1aty0-x2aty0;
723 */
724 fntCosmicMatching->Fill((Float_t)nclsTrk[0],(Float_t)nclsTrk[1],track1->Pt(),track2->Pt(),sigmad0[0],sigmad0[1],sigmaz0[0],sigmaz0[1],dxy,dz,phimu,thetamu,TMath::Abs(d0z0mu[0]),d0z0mu[1]);
725
726 return;
727}
728
729//________________________________________________________________________
730void AliAlignmentDataFilterITS::FilterCollision(const AliESDEvent *esd)
731{
732 // Extract ITS AliTrackPoints for Cosmics (check angular matching
733 // of top and bottom track, merge the two tracks, if requested)
734 //
735
736 // Set branch addresses for space points tree
737 AliTrackPointArray *arrayForTree=0;
44f17b29 738 AliESDVertex *vertexForTree=0;
ab6c74ff 739 Float_t curv,curverr,runNumber;
740 TObjString *itsaligndata=0;
3b9267a6 741 TObjString *itscalibrespsdd = 0;
f27a7e81 742 fspTree->SetBranchAddress("SP",&arrayForTree);
44f17b29 743 fspTree->SetBranchAddress("vertex",&vertexForTree);
f27a7e81 744 fspTree->SetBranchAddress("curv",&curv);
745 fspTree->SetBranchAddress("curverr",&curverr);
ab6c74ff 746 fspTree->SetBranchAddress("run",&runNumber);
747 fspTree->SetBranchAddress("ITSAlignData",&itsaligndata);
3b9267a6 748 fspTree->SetBranchAddress("ITSCalibRespSDD",&itscalibrespsdd);
ab6c74ff 749
750
751 runNumber = (Float_t)esd->GetRunNumber();
b900a060 752 Int_t uid=20000+esd->GetEventNumberInFile();
ab6c74ff 753
754 TTree* esdTree = dynamic_cast<TTree*> (GetInputData(0));
b6292968 755 if(!esdTree) return;
ab6c74ff 756 // Get the list of OCDB objects used for reco
757 TList *cdbList = (TList*)(esdTree->GetTree()->GetUserInfo())->FindObject("cdbList");
758 TIter iter2(cdbList);
759 TObjString* cdbEntry=0;
760 TString cdbEntryString;
761 while((cdbEntry =(TObjString*)(iter2.Next()))) {
9f37905a 762 cdbEntryString = cdbEntry->GetString();
763 if(cdbEntryString.Contains("ITS/Align/Data"))
764 itsaligndata = new TObjString(*cdbEntry);
765 if(cdbEntryString.Contains("ITS/Calib/RespSDD"))
766 itscalibrespsdd = new TObjString(*cdbEntry);
ab6c74ff 767 }
f27a7e81 768
769 Int_t ntracks = esd->GetNumberOfTracks();
770
771 if(ntracks==0) return;
772
44f17b29 773 const AliESDVertex *vertexTracks = esd->GetPrimaryVertexTracks();
9a4d2d47 774 if(!vertexTracks) return;
44f17b29 775 if(vertexTracks->GetNContributors()<=0) return;
f27a7e81 776
44f17b29 777 Double_t vtxpos[3]; vertexTracks->GetXYZ(vtxpos);
f27a7e81 778
779 Int_t ncls=0;
780 Double_t pt=-10000.;
781 Double_t d0z0[2],covd0z0[3];
782 const AliTrackPointArray *array = 0;
783
784 for (Int_t itrack=0; itrack < ntracks; itrack++) {
785 AliESDtrack * track = esd->GetTrack(itrack);
786 if (!track) continue;
787
28647bf6 788 if(fDownsamplelowpt && TMath::Abs(esd->GetMagneticField())>0.01 &&
789 track->Pt()<gRandom->Rndm()) continue;
790
367c6d1f 791 if(track->GetNcls(0)<GetRecoParam()->GetAlignFilterMinITSPoints()) continue;
f27a7e81 792
a043746c 793 if((GetRecoParam()->GetAlignFilterOnlyITSSATracks()) && track->GetNcls(1)>0) continue;
794 if((GetRecoParam()->GetAlignFilterOnlyITSTPCTracks()) && track->GetNcls(1)==0) continue;
f27a7e81 795
367c6d1f 796 if(track->Pt()<GetRecoParam()->GetAlignFilterMinPt() ||
797 track->Pt()>GetRecoParam()->GetAlignFilterMaxPt()) continue;
f27a7e81 798
799 pt = track->Pt();
800 ncls = track->GetNcls(0);
801 Double_t maxd=10000.;
44f17b29 802 track->PropagateToDCA(vertexTracks,esd->GetMagneticField(),maxd,d0z0,covd0z0);
f27a7e81 803
804 // read ITS cluster map
805 Int_t map[6];
806 for(Int_t ilay=0;ilay<6;ilay++) {
807 map[ilay]=0;
808 if(track->HasPointOnITSLayer(ilay)) map[ilay]=1;
809 }
810 AliDebug(2,Form("ITS map : %d %d %d %d %d %d pt %f\n",map[0],map[1],map[2],map[3],map[4],map[5],track->Pt()));
811 Int_t idx[12];
812 track->GetITSclusters(idx);
813 AliDebug(2,Form("cls idx %d %d %d %d %d %d %d %d %d %d %d %d\n",idx[0],idx[1],idx[2],idx[3],idx[4],idx[5],idx[6],idx[7],idx[8],idx[9],idx[10],idx[11]));
814
815
816 AliTrackPoint point;
817 Int_t ipt,volId,modId,layerId,lay,lad,det;
818 Int_t jpt=0;
819 Bool_t layerOK[6]; for(Int_t l1=0;l1<6;l1++) layerOK[l1]=kFALSE;
820
821 array = track->GetTrackPointArray();
28647bf6 822 if(!array) {printf("no track points\n"); continue;}
f27a7e81 823 for(ipt=0; ipt<array->GetNPoints(); ipt++) {
824 array->GetPoint(point,ipt);
825 volId = point.GetVolumeID();
9f2b55aa 826 if(volId<=0) continue;
f27a7e81 827 layerId = AliGeomManager::VolUIDToLayer(volId,modId);
828 if(layerId<1 || layerId>6) continue;
829 if(point.IsExtra() &&
a043746c 830 (GetRecoParam()->GetAlignFilterSkipExtra())) continue;
f27a7e81 831 layerOK[layerId-1]=kTRUE;
832 jpt++;
833 }
834
367c6d1f 835 if(jpt < GetRecoParam()->GetAlignFilterMinITSPoints()) continue;
f27a7e81 836
837 fHistNpoints->Fill(jpt);
838 fHistPt->Fill(pt);
b900a060 839 PostData(2,fListOfHistos);
f27a7e81 840
841 Float_t dzOverlap[2];
842 Double_t globExtra[3],locExtra[3];
843 arrayForTree = new AliTrackPointArray(jpt);
cdf8a7eb 844 arrayForTree->SetUniqueID(uid);
f27a7e81 845 jpt=0;
846 array = track->GetTrackPointArray();
847 if(!array) continue;
848 for(ipt=0; ipt<array->GetNPoints(); ipt++) {
849 array->GetPoint(point,ipt);
850 volId = point.GetVolumeID();
851 layerId = AliGeomManager::VolUIDToLayer(volId,modId);
852 if(layerId<1 || layerId>6 || !layerOK[layerId-1]) continue;
44c3f5f6 853 arrayForTree->AddPoint(jpt,&point);
854 switch(layerId) {
855 case 1:
856 fHistLayer0->Fill(TMath::ATan2(point.GetY(),point.GetX()),point.GetZ());
857 break;
858 case 2:
859 fHistLayer1->Fill(TMath::ATan2(point.GetY(),point.GetX()),point.GetZ());
860 break;
861 case 3:
862 fHistLayer2->Fill(TMath::ATan2(point.GetY(),point.GetX()),point.GetZ());
863 break;
864 case 4:
865 fHistLayer3->Fill(TMath::ATan2(point.GetY(),point.GetX()),point.GetZ());
866 break;
867 case 5:
868 fHistLayer4->Fill(TMath::ATan2(point.GetY(),point.GetX()),point.GetZ());
869 break;
870 case 6:
871 fHistLayer5->Fill(TMath::ATan2(point.GetY(),point.GetX()),point.GetZ());
872 break;
873 }
874 jpt++;
f27a7e81 875 if(!point.IsExtra() ||
a043746c 876 !(GetRecoParam()->GetAlignFilterFillQANtuples())) continue;
f27a7e81 877 ncls--;
878 for(Int_t ll=1;ll<layerId;ll++) modId+=AliITSgeomTGeo::GetNLadders(ll)*AliITSgeomTGeo::GetNDetectors(ll);
879 AliITSgeomTGeo::GetModuleId(modId,lay,lad,det);
880 globExtra[0]=point.GetX();
881 globExtra[1]=point.GetY();
882 globExtra[2]=point.GetZ();
883 AliITSgeomTGeo::GlobalToLocal(lay,lad,det,globExtra,locExtra);
884 track->GetDZ(point.GetX(),point.GetY(),point.GetZ(),esd->GetMagneticField(),dzOverlap);
885 AliTrackPoint pointT;
886 Float_t radius,radiusT,phiv,phivT,thetav,thetavT;
887 for(Int_t lll=0;lll<ipt;lll++) {
888 array->GetPoint(pointT,lll);
889 Int_t layerIdT = AliGeomManager::VolUIDToLayer(pointT.GetVolumeID(),modId);
890 if(layerIdT!=layerId) continue;
891 radius=TMath::Sqrt((point.GetX()-vtxpos[0])*(point.GetX()-vtxpos[0])+(point.GetY()-vtxpos[1])*(point.GetY()-vtxpos[1]));
892 radiusT=TMath::Sqrt((pointT.GetX()-vtxpos[0])*(pointT.GetX()-vtxpos[0])+(pointT.GetY()-vtxpos[1])*(pointT.GetY()-vtxpos[1]));
893 phiv=TMath::ATan2(point.GetY()-vtxpos[1],point.GetX()-vtxpos[0]);
894 phivT=TMath::ATan2(pointT.GetY()-vtxpos[1],pointT.GetX()-vtxpos[0]);
895 if(TMath::Abs(point.GetZ()-vtxpos[2])<0.00001 || TMath::Abs(pointT.GetZ()-vtxpos[2])<0.00001) continue;
896 thetav=TMath::ATan(radius/(point.GetZ()-vtxpos[2]));
897 thetavT=TMath::ATan(radiusT/(pointT.GetZ()-vtxpos[2]));
898 dzOverlap[0]=(Float_t)((phivT-phiv)*0.5*(radiusT+radius));
899 if(TMath::Abs(TMath::Tan(0.5*(thetav+thetavT)))<0.00001) continue;
900 dzOverlap[1]=(Float_t)((pointT.GetZ()-point.GetZ())-(radiusT-radius)/TMath::Tan(0.5*(thetav+thetavT)));
cdf8a7eb 901 fntExtra->Fill((Float_t)ncls,(Float_t)(layerId-1),lad,volId,TMath::ATan2(point.GetY(),point.GetX()),point.GetX(),point.GetY(),point.GetZ(),locExtra[0],locExtra[2],dzOverlap[0],dzOverlap[1],d0z0[0],d0z0[1],track->Pt());
f27a7e81 902 }
f27a7e81 903 }
904
905 curv = track->GetC(esd->GetMagneticField());
906 curverr = TMath::Sqrt(track->GetSigma1Pt2())*track->GetC(esd->GetMagneticField())/track->OneOverPt();
907
44f17b29 908 vertexForTree = new AliESDVertex(*vertexTracks);
909 if(vertexTracks->UsesTrack(track->GetID())) {
910 vertexForTree->SetID(1);
911 } else {
912 vertexForTree->SetID(0);
913 }
914
f27a7e81 915 fspTree->Fill();
916
917 } // end of tracks loop
918
b900a060 919 PostData(1,fspTree);
f27a7e81 920
921 return;
922}
923
924//________________________________________________________________________
925void AliAlignmentDataFilterITS::Terminate(Option_t */*option*/)
926{
927 // Terminate analysis
928 //
929 AliDebug(2,"AliITSAlignmentDataFiler: Terminate() \n");
930
81e84469 931 fspTree = dynamic_cast<TTree*> (GetOutputData(1));
f27a7e81 932 if (!fspTree) {
933 printf("ERROR: fspTree not available\n");
934 return;
935 }
936
81e84469 937 fListOfHistos = dynamic_cast<TList*> (GetOutputData(2));
f27a7e81 938 if (!fListOfHistos) {
939 printf("ERROR: fListOfHistos not available\n");
940 return;
941 }
942
a043746c 943 fHistNevents = dynamic_cast<TH1F*>(fListOfHistos->FindObject("fHistNevents"));
f27a7e81 944 fHistNpoints = dynamic_cast<TH1F*>(fListOfHistos->FindObject("fHistNpoints"));
945 fHistPt = dynamic_cast<TH1F*>(fListOfHistos->FindObject("fHistPt"));
946 fHistLayer0 = dynamic_cast<TH2F*>(fListOfHistos->FindObject("fHistLayer0"));
947 fHistLayer1 = dynamic_cast<TH2F*>(fListOfHistos->FindObject("fHistLayer1"));
948 fHistLayer2 = dynamic_cast<TH2F*>(fListOfHistos->FindObject("fHistLayer2"));
949 fHistLayer3 = dynamic_cast<TH2F*>(fListOfHistos->FindObject("fHistLayer3"));
950 fHistLayer4 = dynamic_cast<TH2F*>(fListOfHistos->FindObject("fHistLayer4"));
951 fHistLayer5 = dynamic_cast<TH2F*>(fListOfHistos->FindObject("fHistLayer5"));
952 fntExtra = dynamic_cast<TNtuple*>(fListOfHistos->FindObject("fntExtra"));
953 fntCosmicMatching = dynamic_cast<TNtuple*>(fListOfHistos->FindObject("fntCosmicMatching"));
954
955
956
957 return;
958}
eef875ec 959//-------------------------------------------------------------------------------
960const AliITSRecoParam *AliAlignmentDataFilterITS::GetRecoParam() const
961{
962 //
963 // Return the ITSRecoParam object
964 //
965 if(AliITSReconstructor::GetRecoParam()) {
966 return AliITSReconstructor::GetRecoParam();
967 } else if(fITSRecoParam) {
968 return fITSRecoParam;
969 } else return NULL;
970}
971//--------------------------------------------------------------------------------
972Int_t AliAlignmentDataFilterITS::WriteTrackPointsInIdealGeom(Char_t *fin,
973 Char_t *fout,
974 Char_t *fmis,
975 Char_t *fgeo,
976 Bool_t prn)
977{
978 //
979 // Convert AliTrackPoints in fin, reconstructed with fmis, back
980 // to ideal geometry
981 //
982 // M. Lunardon
983 //
984
985
986 TGeoHMatrix deltahm;
eef875ec 987
988 // Load geometry
989 if (gSystem->AccessPathName(fgeo)) {
990 printf("couldn't find geometry file %s - skipping...\n",fmis);
991 return -1;
992 }
993
994 TFile *geofile=TFile::Open(fgeo);
995 TGeoManager *fgGeometry=NULL;
996
997 fgGeometry=(TGeoManager*)geofile->Get("ALICE");
998
999 if (!fgGeometry)
1000 fgGeometry=(TGeoManager*)geofile->Get("Geometry");
1001
1002 if (!fgGeometry) {
1003 AliCDBEntry *entry = (AliCDBEntry*)geofile->Get("AliCDBEntry");
1004 if (entry)
1005 fgGeometry = (TGeoManager*)entry->GetObject();
1006 }
1007
1008 if (!fgGeometry) return -1;
1009 AliGeomManager::SetGeometry(fgGeometry);
1010 if(!AliGeomManager::GetGeometry()) return -1;
1011
1012
1013 // open alignment file
1014 if (gSystem->AccessPathName(fmis)) {
1015 printf("couldn't open alignment file %s - skipping...\n",fmis);
1016 return -2;
1017 }
1018 TFile *pref = TFile::Open(fmis);
1019 if (!pref->IsOpen()) return -2;
1020
1021
1022 /// apply alignment to ideal geometry
1023 TClonesArray *prea=(TClonesArray*)pref->Get("ITSAlignObjs");
1024 if (!prea) {
1025 if (pref->Get("AliCDBEntry"))
1026 prea = (TClonesArray*) ((AliCDBEntry*)pref->Get("AliCDBEntry"))->GetObject();
1027 }
1028 if (!prea) return -3;
1029 Int_t nprea=prea->GetEntriesFast();
1030 printf("Array of input misalignments with %d entries\n",nprea);
1031 AliGeomManager::ApplyAlignObjsToGeom(*prea); // apply all levels of objs
1032
1033 AliTrackPointArray *tpain=NULL;
1034 TFile *tpainfile=NULL;
1035 TTree *treein=NULL;
1036 AliTrackPoint point;
1037 AliITSAlignMille2Module *m2[2200];
1038 for (Int_t i=0; i<2198; i++)
1039 m2[i]=new AliITSAlignMille2Module(AliITSAlignMille2Module::GetVolumeIDFromIndex(i));
1040
1041 // open input file
1042 if (gSystem->AccessPathName(fin)) {
1043 printf("couldn't open file %s - skipping...\n",fin);
1044 return -4;
1045 }
1046 tpainfile = TFile::Open(fin);
1047 if (!tpainfile->IsOpen()) return -4;
1048
1049 treein=(TTree*)tpainfile->Get("spTree");
1050 if (!treein) return -5;
1051 Float_t curv,curverr,runNumber;
1052 TObjString *itsaligndata=0;
1053 TObjString *itscalibrespsdd = 0;
1054 treein->SetBranchAddress("SP", &tpain);
1055 treein->SetBranchAddress("curv", &curv);
1056 treein->SetBranchAddress("curverr", &curverr);
1057 treein->SetBranchAddress("run",&runNumber);
1058 treein->SetBranchAddress("ITSAlignData",&itsaligndata);
1059 treein->SetBranchAddress("ITSCalibRespSDD",&itscalibrespsdd);
1060
1061 int ntrks=treein->GetEntries();
1062 printf("Reading %d tracks from %s\n",ntrks,fin);
1063
1064
1065 // open output file
1066 TFile *pointsFile = TFile::Open(fout,"RECREATE");
1067 if (!pointsFile || !pointsFile->IsOpen()) {
1068 printf("Can't open output file %s !",fout);
1069 return -6;
1070 }
1071 AliTrackPointArray *array = new AliTrackPointArray();
1072
1073 // new!
1074 TTree *treeout=(TTree*)treein->Clone("spTree");
1075 treeout->Reset();
1076 treeout->SetBranchAddress("SP", &array);
1077 treeout->SetBranchAddress("curv", &curv);
1078 treeout->SetBranchAddress("curverr", &curverr);
1079 treeout->SetBranchAddress("run",&runNumber);
1080 treeout->SetBranchAddress("ITSAlignData",&itsaligndata);
1081 treeout->SetBranchAddress("ITSCalibRespSDD",&itscalibrespsdd);
1082
1083 // tracks main loop
1084 for (Int_t it=0; it<ntrks; it++) {
1085 if (!(it%5000) ) printf("...processing track n. %d\n",it);
1086
1087 treein->GetEvent(it);
1088
1089 //////////////////////////////
1090
1091 AliTrackPointArray *atp=tpain;
1092 AliTrackPointArray *atps=NULL;
1093 Int_t npts=atp->GetNPoints();
1094
1095 AliTrackPoint p;
1096 // check points in specific places
1097
1098 // build a new track
1099 atps=new AliTrackPointArray(npts);
1100
1101 Int_t npto=0;
1102 for (int i=0; i<npts; i++) {
1103 atp->GetPoint(p,i);
1104
1105 UShort_t volid=atp->GetVolumeID()[i];
1106 Int_t index=AliITSAlignMille2Module::GetIndexFromVolumeID(volid);
1107
b2ac0d1e 1108 if(index<0 || index>=2200) continue;
eef875ec 1109 // dealign point
1110 // get MODIFIED matrix
1111 TGeoHMatrix *svMatrix = m2[index]->GetSensitiveVolumeMatrix(p.GetVolumeID());
1112 //TGeoHMatrix *svOrigMatrix = mm->GetSensitiveVolumeOrigGlobalMatrix(p.GetVolumeID());
1113
1114 Double_t pg[3],pl[3];
1115 pg[0]=p.GetX();
1116 pg[1]=p.GetY();
1117 pg[2]=p.GetZ();
1118 if (prn) printf("Global coordinates of measured point : X=%f Y=%f Z=%f \n",pg[0],pg[1],pg[2]);
1119 svMatrix->MasterToLocal(pg,pl);
1120
1121 // check that things went OK: local y should be 0.
1122 if(TMath::Abs(pl[1])>1.e-6) {
1123 printf("AliAlignmentDataFilterITS::WriteTrackPointsInIdealGeom: ERROR, local y = %f (should be zero)\n",pl[1]);
1124 return -7;
1125 }
f27a7e81 1126
eef875ec 1127 if (prn) printf("Local coordinates of measured point : X=%f Y=%f Z=%f \n",pl[0],pl[1],pl[2]);
1128
1129 // update covariance matrix
1130 TGeoHMatrix hcov;
1131 Double_t hcovel[9];
1132 hcovel[0]=(Double_t)(p.GetCov()[0]);
1133 hcovel[1]=(Double_t)(p.GetCov()[1]);
1134 hcovel[2]=(Double_t)(p.GetCov()[2]);
1135 hcovel[3]=(Double_t)(p.GetCov()[1]);
1136 hcovel[4]=(Double_t)(p.GetCov()[3]);
1137 hcovel[5]=(Double_t)(p.GetCov()[4]);
1138 hcovel[6]=(Double_t)(p.GetCov()[2]);
1139 hcovel[7]=(Double_t)(p.GetCov()[4]);
1140 hcovel[8]=(Double_t)(p.GetCov()[5]);
1141 hcov.SetRotation(hcovel);
1142 // now rotate in local system
1143 hcov.Multiply(svMatrix);
1144 hcov.MultiplyLeft(&svMatrix->Inverse());
1145 // now hcov is LOCAL COVARIANCE MATRIX
1146
1147 /// get original matrix of sens. vol.
1148 TGeoHMatrix *svOrigMatrix = m2[index]->GetSensitiveVolumeOrigGlobalMatrix(p.GetVolumeID());
1149 // modify global coordinates according with pre-aligment
1150 svOrigMatrix->LocalToMaster(pl,pg);
1151 // now rotate in local system
1152 hcov.Multiply(&svOrigMatrix->Inverse());
1153 hcov.MultiplyLeft(svOrigMatrix);
1154 // hcov is back in GLOBAL RF
1155 Float_t pcov[6];
1156 pcov[0]=hcov.GetRotationMatrix()[0];
1157 pcov[1]=hcov.GetRotationMatrix()[1];
1158 pcov[2]=hcov.GetRotationMatrix()[2];
1159 pcov[3]=hcov.GetRotationMatrix()[4];
1160 pcov[4]=hcov.GetRotationMatrix()[5];
1161 pcov[5]=hcov.GetRotationMatrix()[8];
1162
1163 p.SetXYZ(pg[0],pg[1],pg[2],pcov);
1164 if (prn) printf("New global coordinates of measured point : X=%f Y=%f Z=%f \n",pg[0],pg[1],pg[2]);
1165 atps->AddPoint(npto,&p);
1166 if (prn) printf("Adding point[%d] = ( %f , %f , %f ) volid = %d\n",npto,atps->GetX()[npto],atps->GetY()[npto],atps->GetZ()[npto],atps->GetVolumeID()[npto] );
1167 if (prn) p.Print("");
1168
1169 npto++;
1170 }
1171
1172
1173 ////////////////////////////////////////////////////////////
1174 array = atps;
1175 treeout->Fill();
1176
1177 delete atps;
1178 atps=NULL;
1179
1180 } // end loop on tracks
1181
1182 pointsFile->Write();
1183 pointsFile->Close();
1184 tpainfile->Close();
1185
1186 return 0;
1187}