1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
16 ///////////////////////////////////////////////////////////////////////////////
18 // TRD trigger class //
23 ///////////////////////////////////////////////////////////////////////////////
28 #include <TClonesArray.h>
29 #include <TObjArray.h>
33 #include "AliLoader.h"
35 #include "AliTRDdigitsManager.h"
36 #include "AliTRDgeometry.h"
37 #include "AliTRDdataArrayI.h"
38 #include "AliTRDcalibDB.h"
39 #include "AliTRDCommonParam.h"
40 #include "AliTRDrawData.h"
41 #include "AliTRDtrigger.h"
42 #include "AliTRDmodule.h"
43 #include "AliTRDmcmTracklet.h"
44 #include "AliTRDgtuTrack.h"
45 #include "AliTRDtrigParam.h"
46 #include "AliTRDmcm.h"
47 #include "AliTRDzmaps.h"
48 #include "AliTRDCalibraFillHisto.h"
49 #include "Cal/AliTRDCalPIDLQ.h"
51 ClassImp(AliTRDtrigger)
53 //_____________________________________________________________________________
54 AliTRDtrigger::AliTRDtrigger()
80 // AliTRDtrigger default constructor
85 //_____________________________________________________________________________
86 AliTRDtrigger::AliTRDtrigger(const Text_t *name, const Text_t *title)
94 ,fDigitsManager(new AliTRDdigitsManager())
96 ,fTracklets(new TObjArray(400))
109 ,fTracks(new TClonesArray("AliTRDgtuTrack",1000))
112 // AliTRDtrigger constructor
117 //_____________________________________________________________________________
118 AliTRDtrigger::AliTRDtrigger(const AliTRDtrigger &p)
126 ,fDigitsManager(NULL)
135 ,fNtracklets(p.fNtracklets)
140 ,fNPrimary(p.fNPrimary)
144 // AliTRDtrigger copy constructor
149 ///_____________________________________________________________________________
150 AliTRDtrigger::~AliTRDtrigger()
153 // AliTRDtrigger destructor
157 fTracklets->Delete();
168 //_____________________________________________________________________________
169 AliTRDtrigger &AliTRDtrigger::operator=(const AliTRDtrigger &p)
172 // Assignment operator
175 if (this != &p) ((AliTRDtrigger &) p).Copy(*this);
180 //_____________________________________________________________________________
181 void AliTRDtrigger::Copy(TObject &) const
187 AliFatal("Not implemented");
191 //_____________________________________________________________________________
192 void AliTRDtrigger::Init()
195 fModule = new AliTRDmodule(fTrigParam);
198 fField = fTrigParam->GetField();
199 fGeo = (AliTRDgeometry*)AliTRDgeometry::GetGeometry(fRunLoader);
201 fCalib = AliTRDcalibDB::Instance();
203 AliError("No instance of AliTRDcalibDB.");
207 fCParam = AliTRDCommonParam::Instance();
209 AliError("No common parameters.");
215 //_____________________________________________________________________________
216 Bool_t AliTRDtrigger::Open(const Char_t *name, Int_t nEvent)
219 // Opens the AliROOT file.
222 TString evfoldname = AliConfig::GetDefaultEventFolderName();
223 fRunLoader = AliRunLoader::GetRunLoader(evfoldname);
226 fRunLoader = AliRunLoader::Open(name);
229 AliError(Form("Can not open session for file %s.",name));
233 // Import the Trees for the event nEvent in the file
234 fRunLoader->GetEvent(nEvent);
237 TObjArray *ioArray = 0;
238 AliLoader* loader = fRunLoader->GetLoader("TRDLoader");
239 loader->MakeTree("T");
240 fTrackletTree = loader->TreeT();
241 fTrackletTree->Branch("TRDmcmTracklet","TObjArray",&ioArray,32000,0);
248 //_____________________________________________________________________________
249 Bool_t AliTRDtrigger::ReadDigits()
252 // Reads the digits arrays from the input aliroot file
256 AliError("Can not find the Run Loader");
260 AliLoader* loader = fRunLoader->GetLoader("TRDLoader");
261 if (!loader->TreeD()) {
262 loader->LoadDigits();
264 if (!loader->TreeD()) {
268 return (fDigitsManager->ReadDigits(loader->TreeD()));
272 //_____________________________________________________________________________
273 Bool_t AliTRDtrigger::ReadDigits(AliRawReader* rawReader)
276 // Reads the digits arrays from the ddl file
279 AliTRDrawData *raw = new AliTRDrawData();
280 fDigitsManager = raw->Raw2Digits(rawReader);
286 //_____________________________________________________________________________
287 Bool_t AliTRDtrigger::ReadDigits(TTree *digitsTree)
290 // Reads the digits arrays from the input tree
293 return (fDigitsManager->ReadDigits(digitsTree));
297 //_____________________________________________________________________________
298 Bool_t AliTRDtrigger::ReadTracklets(AliRunLoader *rl)
301 // Reads the tracklets find the tracks
306 AliLoader *loader = rl->GetLoader("TRDLoader");
307 loader->LoadTracks();
308 fTrackletTree = loader->TreeT();
310 TBranch *branch = fTrackletTree->GetBranch("TRDmcmTracklet");
312 AliError("Can't get the branch !");
315 TObjArray *tracklets = new TObjArray(400);
316 branch->SetAddress(&tracklets);
318 Int_t nEntries = (Int_t) fTrackletTree->GetEntries();
322 Int_t iStackPrev = -1;
324 for (iEntry = 0; iEntry < nEntries; iEntry++) {
326 fTrackletTree->GetEvent(iEntry);
328 for (itrk = 0; itrk < tracklets->GetEntriesFast(); itrk++) {
330 fTrk = (AliTRDmcmTracklet*)tracklets->UncheckedAt(itrk);
331 idet = fTrk->GetDetector();
332 iStack = idet / (AliTRDgeometry::Nplan());
334 if (iStackPrev != iStack) {
335 if (iStackPrev == -1) {
339 MakeTracks(idet - AliTRDgeometry::Nplan());
345 Tracklets()->Add(fTrk);
347 if ((iEntry == (nEntries-1)) &&
348 (itrk == (tracklets->GetEntriesFast() - 1))) {
350 MakeTracks(idet-AliTRDgeometry::Nplan());
358 loader->UnloadTracks();
364 //_____________________________________________________________________________
365 Bool_t AliTRDtrigger::MakeTracklets(Bool_t makeTracks)
368 // Create tracklets from digits
372 Int_t chamEnd = AliTRDgeometry::Ncham();
374 Int_t planEnd = AliTRDgeometry::Nplan();
376 Int_t sectEnd = AliTRDgeometry::Nsect();
378 fTrkTest = new AliTRDmcmTracklet(0,0,0);
379 fMCM = new AliTRDmcm(fTrigParam,0);
388 Int_t iStackPrev = -1;
391 for (Int_t isect = sectBeg; isect < sectEnd; isect++) {
393 for (Int_t icham = chamBeg; icham < chamEnd; icham++) {
395 // Number of ROBs in the chamber
403 for (Int_t iplan = planBeg; iplan < planEnd; iplan++) {
405 idet = fGeo->GetDetector(iplan,icham,isect);
409 iStack = idet / (AliTRDgeometry::Nplan());
410 if (iStackPrev != iStack) {
411 if (iStackPrev == -1) {
415 MakeTracks(idet-AliTRDgeometry::Nplan());
422 Int_t nRowMax = fCParam->GetRowMax(iplan,icham,isect);
423 Int_t nColMax = fCParam->GetColMax(iplan);
424 Int_t nTimeTotal = fCalib->GetNumberOfTimeBins();
427 fDigits = fDigitsManager->GetDigits(idet);
428 if (!fDigits) return kFALSE;
429 // This is to take care of switched off super modules
430 if (fDigits->GetNtime() == 0) {
434 fTrack0 = fDigitsManager->GetDictionary(idet,0);
435 if (!fTrack0) return kFALSE;
437 fTrack1 = fDigitsManager->GetDictionary(idet,1);
438 if (!fTrack1) return kFALSE;
440 fTrack2 = fDigitsManager->GetDictionary(idet,2);
441 if (!fTrack2) return kFALSE;
444 for (Int_t iRob = 0; iRob < fNROB; iRob++) {
446 for (Int_t iMcm = 0; iMcm < kNMCM; iMcm++) {
449 fMCM->SetRobId(iRob);
450 fMCM->SetChaId(idet);
452 SetMCMcoordinates(iMcm);
454 row = fMCM->GetRow();
456 if ((row < 0) || (row >= nRowMax)) {
457 AliError("MCM row number out of range.");
461 fMCM->GetColRange(col1,col2);
463 for (time = 0; time < nTimeTotal; time++) {
464 for (col = col1; col < col2; col++) {
465 if ((col >= 0) && (col < nColMax)) {
466 amp = TMath::Abs(fDigits->GetDataUnchecked(row,col,time));
471 fMCM->SetADC(col-col1,time,amp);
475 if (fTrigParam->GetTailCancelation()) {
476 fMCM->Filter(fTrigParam->GetNexponential(),fTrigParam->GetFilterType());
481 for (Int_t iSeed = 0; iSeed < kMaxTrackletsPerMCM; iSeed++) {
483 if (fMCM->GetSeedCol()[iSeed] < 0) {
487 if (fTrigParam->GetDebugLevel() > 1) {
488 AliInfo(Form("Add tracklet %d in col %02d \n",fNtracklets,fMCM->GetSeedCol()[iSeed]));
491 if (TestTracklet(idet,row,iSeed,0)) {
492 AddTracklet(idet,row,iSeed,fNtracklets++);
504 // Compress the arrays
505 fDigits->Compress(1,0);
506 fTrack0->Compress(1,0);
507 fTrack1->Compress(1,0);
508 fTrack2->Compress(1,0);
510 WriteTracklets(idet);
518 MakeTracks(idet - AliTRDgeometry::Nplan());
526 //_____________________________________________________________________________
527 void AliTRDtrigger::SetMCMcoordinates(Int_t imcm)
530 // Configure MCM position in the pad plane
533 Int_t robid = fMCM->GetRobId();
535 // setting the Row and Col range
537 const Int_t kNcolRob = 2; // number of ROBs per chamber in column direction
538 const Int_t kNmcmRob = 4; // number of MCMs per ROB in column/row direction
540 Int_t mcmid = imcm%(kNmcmRob*kNmcmRob);
542 if (robid%kNcolRob == 0) {
544 if (mcmid%kNmcmRob == 0) {
545 fMCM->SetColRange(18*0-1,18*1-1+2+1);
547 if (mcmid%kNmcmRob == 1) {
548 fMCM->SetColRange(18*1-1,18*2-1+2+1);
550 if (mcmid%kNmcmRob == 2) {
551 fMCM->SetColRange(18*2-1,18*3-1+2+1);
553 if (mcmid%kNmcmRob == 3) {
554 fMCM->SetColRange(18*3-1,18*4-1+2+1);
560 if (mcmid%kNmcmRob == 0) {
561 fMCM->SetColRange(18*4-1,18*5-1+2+1);
563 if (mcmid%kNmcmRob == 1) {
564 fMCM->SetColRange(18*5-1,18*6-1+2+1);
566 if (mcmid%kNmcmRob == 2) {
567 fMCM->SetColRange(18*6-1,18*7-1+2+1);
569 if (mcmid%kNmcmRob == 3) {
570 fMCM->SetColRange(18*7-1,18*8-1+2+1);
575 fMCM->SetRow(kNmcmRob*(robid/kNcolRob)+mcmid/kNmcmRob);
579 //_____________________________________________________________________________
580 Bool_t AliTRDtrigger::TestTracklet(Int_t det, Int_t row, Int_t seed, Int_t n)
583 // Check first the tracklet pt
586 Int_t nTimeTotal = fCalib->GetNumberOfTimeBins();
588 // Calibration fill 2D
589 AliTRDCalibraFillHisto *calibra = AliTRDCalibraFillHisto::Instance();
591 AliInfo("Could not get Calibra instance\n");
596 fTrkTest->SetDetector(det);
597 fTrkTest->SetRow(row);
600 Int_t iCol, iCol1, iCol2, track[3];
601 iCol = fMCM->GetSeedCol()[seed]; // 0....20 (MCM)
602 fMCM->GetColRange(iCol1,iCol2); // range in the pad plane
605 for (Int_t iTime = 0; iTime < nTimeTotal; iTime++) {
607 amp[0] = fMCM->GetADC(iCol-1,iTime);
608 amp[1] = fMCM->GetADC(iCol ,iTime);
609 amp[2] = fMCM->GetADC(iCol+1,iTime);
611 // extract track contribution only from the central pad
612 track[0] = fTrack0->GetDataUnchecked(row,iCol+iCol1,iTime);
613 track[1] = fTrack1->GetDataUnchecked(row,iCol+iCol1,iTime);
614 track[2] = fTrack2->GetDataUnchecked(row,iCol+iCol1,iTime);
616 if (fMCM->IsCluster(iCol,iTime)) {
618 fTrkTest->AddCluster(iCol+iCol1,iTime,amp,track);
621 else if ((iCol+1+1) < kMcmCol) {
623 amp[0] = fMCM->GetADC(iCol-1+1,iTime);
624 amp[1] = fMCM->GetADC(iCol +1,iTime);
625 amp[2] = fMCM->GetADC(iCol+1+1,iTime);
627 if (fMCM->IsCluster(iCol+1,iTime)) {
629 // extract track contribution only from the central pad
630 track[0] = fTrack0->GetDataUnchecked(row,iCol+1+iCol1,iTime);
631 track[1] = fTrack1->GetDataUnchecked(row,iCol+1+iCol1,iTime);
632 track[2] = fTrack2->GetDataUnchecked(row,iCol+1+iCol1,iTime);
634 fTrkTest->AddCluster(iCol+1+iCol1,iTime,amp,track);
642 fTrkTest->CookLabel(0.8);
644 if (fTrkTest->GetLabel() >= fNPrimary) {
645 Info("AddTracklet","Only primaries are stored!");
650 fTrkTest->MakeTrackletGraph(fGeo,fField);
652 // TRD Online calibration
653 if (calibra->GetMcmTracking()) {
654 calibra->UpdateHistogramcm(fTrkTest);
657 fTrkTest->MakeClusAmpGraph();
659 if (TMath::Abs(fTrkTest->GetPt()) < fTrigParam->GetLtuPtCut()) {
667 //_____________________________________________________________________________
668 void AliTRDtrigger::AddTracklet(Int_t det, Int_t row, Int_t seed, Int_t n)
671 // Add a found tracklet
674 Int_t nTimeTotal = fCalib->GetNumberOfTimeBins();
676 fTrk = new AliTRDmcmTracklet(det,row,n);
678 Int_t iCol, iCol1, iCol2, track[3];
679 iCol = fMCM->GetSeedCol()[seed]; // 0....20 (MCM)
680 fMCM->GetColRange(iCol1,iCol2); // range in the pad plane
683 for (Int_t iTime = 0; iTime < nTimeTotal; iTime++) {
685 amp[0] = fMCM->GetADC(iCol-1,iTime);
686 amp[1] = fMCM->GetADC(iCol ,iTime);
687 amp[2] = fMCM->GetADC(iCol+1,iTime);
689 // extract track contribution only from the central pad
690 track[0] = fTrack0->GetDataUnchecked(row,iCol+iCol1,iTime);
691 track[1] = fTrack1->GetDataUnchecked(row,iCol+iCol1,iTime);
692 track[2] = fTrack2->GetDataUnchecked(row,iCol+iCol1,iTime);
694 if (fMCM->IsCluster(iCol,iTime)) {
696 fTrk->AddCluster(iCol+iCol1,iTime,amp,track);
699 else if ((iCol+1+1) < kMcmCol) {
701 amp[0] = fMCM->GetADC(iCol-1+1,iTime);
702 amp[1] = fMCM->GetADC(iCol +1,iTime);
703 amp[2] = fMCM->GetADC(iCol+1+1,iTime);
705 if (fMCM->IsCluster(iCol+1,iTime)) {
707 // extract track contribution only from the central pad
708 track[0] = fTrack0->GetDataUnchecked(row,iCol+1+iCol1,iTime);
709 track[1] = fTrack1->GetDataUnchecked(row,iCol+1+iCol1,iTime);
710 track[2] = fTrack2->GetDataUnchecked(row,iCol+1+iCol1,iTime);
712 fTrk->AddCluster(iCol+1+iCol1,iTime,amp,track);
720 fTrk->CookLabel(0.8);
722 if (fTrk->GetLabel() >= fNPrimary) {
723 Info("AddTracklet","Only primaries are stored!");
728 fTrk->MakeTrackletGraph(fGeo,fField);
729 fTrk->MakeClusAmpGraph();
730 if (TMath::Abs(fTrk->GetPt()) < fTrigParam->GetLtuPtCut()) {
734 Tracklets()->Add(fTrk);
738 //_____________________________________________________________________________
739 Bool_t AliTRDtrigger::WriteTracklets(Int_t det)
742 // Fills TRDmcmTracklet branch in the tree with the Tracklets
743 // found in detector = det. For det=-1 writes the tree.
746 if ((det < -1) || (det >= AliTRDgeometry::Ndet())) {
747 AliError(Form("Unexpected detector index %d.",det));
751 TBranch *branch = fTrackletTree->GetBranch("TRDmcmTracklet");
753 TObjArray *ioArray = 0;
754 branch = fTrackletTree->Branch("TRDmcmTracklet","TObjArray",&ioArray,32000,0);
757 if ((det >= 0) && (det < AliTRDgeometry::Ndet())) {
759 Int_t nTracklets = Tracklets()->GetEntriesFast();
760 TObjArray *detTracklets = new TObjArray(400);
762 for (Int_t i = 0; i < nTracklets; i++) {
764 AliTRDmcmTracklet *trk = (AliTRDmcmTracklet *) Tracklets()->UncheckedAt(i);
766 if (det == trk->GetDetector()) {
767 detTracklets->AddLast(trk);
772 branch->SetAddress(&detTracklets);
773 fTrackletTree->Fill();
783 AliInfo(Form("Writing the Tracklet tree %s for event %d."
784 ,fTrackletTree->GetName(),fRunLoader->GetEventNumber()));
786 AliLoader* loader = fRunLoader->GetLoader("TRDLoader");
787 loader->WriteTracks("OVERWRITE");
797 //_____________________________________________________________________________
798 void AliTRDtrigger::MakeTracks(Int_t det)
801 // Create GTU tracks per module (stack of 6 chambers)
806 Int_t nRowMax, iplan, icham, isect, row;
808 if ((det < 0) || (det >= AliTRDgeometry::Ndet())) {
809 AliError(Form("Unexpected detector index %d.",det));
813 Int_t nTracklets = Tracklets()->GetEntriesFast();
815 AliTRDmcmTracklet *trk;
816 for (Int_t i = 0; i < nTracklets; i++) {
818 trk = (AliTRDmcmTracklet *) Tracklets()->UncheckedAt(i);
820 iplan = fGeo->GetPlane(trk->GetDetector());
821 icham = fGeo->GetChamber(trk->GetDetector());
822 isect = fGeo->GetSector(trk->GetDetector());
824 nRowMax = fCParam->GetRowMax(iplan,icham,isect);
827 fModule->AddTracklet(trk->GetDetector(),
839 fModule->SortTracklets();
840 fModule->RemoveMultipleTracklets();
841 fModule->SortZ((Int_t)fGeo->GetChamber(det));
842 fModule->FindTracks();
843 fModule->SortTracks();
844 fModule->RemoveMultipleTracks();
846 Int_t nModTracks = fModule->GetNtracks();
847 AliTRDgtuTrack *gtutrk;
848 for (Int_t i = 0; i < nModTracks; i++) {
849 gtutrk = (AliTRDgtuTrack*)fModule->GetTrack(i);
850 if (TMath::Abs(gtutrk->GetPt()) < fTrigParam->GetGtuPtCut()) continue;
853 AddTrack(gtutrk,det);
858 //_____________________________________________________________________________
859 void AliTRDtrigger::AddTrack(const AliTRDgtuTrack *t, Int_t det)
862 // Add a track to the list
865 AliTRDgtuTrack *track = new(fTracks->operator[](fTracks->GetEntriesFast()))
867 track->SetDetector(det);
871 //_____________________________________________________________________________
872 TObjArray* AliTRDtrigger::Tracklets()
875 // Returns list of tracklets
879 fTracklets = new TObjArray(400);
885 //_____________________________________________________________________________
886 void AliTRDtrigger::ResetTracklets()
889 // Resets the list of tracklets
893 fTracklets->Delete();
898 //_____________________________________________________________________________
899 Int_t AliTRDtrigger::GetNumberOfTracks() const
902 // Returns number of tracks
905 return fTracks->GetEntriesFast();
909 //_____________________________________________________________________________
910 AliTRDgtuTrack* AliTRDtrigger::GetTrack(Int_t i) const
913 // Returns a given track from the list
916 return (AliTRDgtuTrack *) fTracks->UncheckedAt(i);