[u/mrichter/AliRoot.git] / TRD / AliTRDtrigger.cxx

/**************************************************************************
 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
 *                                                                        *
 * Author: The ALICE Off-line Project.                                    *
 * Contributors are mentioned in the code where appropriate.              *
 *                                                                        *
 * Permission to use, copy, modify and distribute this software and its   *
 * documentation strictly for non-commercial purposes is hereby granted   *
 * without fee, provided that the above copyright notice appears in all   *
 * copies and that both the copyright notice and this permission notice   *
 * appear in the supporting documentation. The authors make no claims     *
 * about the suitability of this software for any purpose. It is          *
 * provided "as is" without express or implied warranty.                  *
 **************************************************************************/

///////////////////////////////////////////////////////////////////////////////
//                                                                           //
//                                                                           //
//  TRD trigger class                                                        //
//                                                                           //
//                                                                           //
///////////////////////////////////////////////////////////////////////////////

#include <TTree.h>
#include <TBranch.h>
#include <TMatrixD.h>

#include "AliLog.h"
#include "AliRun.h"
#include "AliLoader.h"

#include "AliTRDdigitsManager.h"
#include "AliTRDgeometry.h"
#include "AliTRDdataArrayI.h"
#include "AliTRDcalibDB.h"
#include "AliTRDCommonParam.h"
#include "Cal/AliTRDCalPIDLQ.h"
#include "AliTRDrawData.h"

#include "AliTRDtrigger.h"
#include "AliTRDmodule.h"
#include "AliTRDmcmTracklet.h"
#include "AliTRDtrigParam.h"
#include "AliTRDmcm.h"
#include "AliTRDzmaps.h"

//#include "AliHeader.h"

ClassImp(AliTRDtrigger)

//_____________________________________________________________________________
AliTRDtrigger::AliTRDtrigger():
  TNamed(),
  fTracks("AliTRDgtuTrack",0)
{
  //
  // AliTRDtrigger default constructor
  //

  fDigitsManager = NULL;
  fTrackletTree = NULL;
  fTracklets     = NULL;

  fNROB = 0;
  fTrigParam = NULL;
  fMCM = NULL;
  fTrk = NULL;
  fGTUtrk = NULL;

  fNtracklets = 0;

  fDigits = NULL;
  fTrack0 = NULL;
  fTrack1 = NULL;
  fTrack2 = NULL;

  fModule = NULL;

  fNPrimary = 0;

}

//_____________________________________________________________________________
AliTRDtrigger::AliTRDtrigger(const Text_t *name, const Text_t *title):
  TNamed(name,title),
  fTracks("AliTRDgtuTrack",1000)
{
  //
  // AliTRDtrigger constructor
  //

  fDigitsManager = new AliTRDdigitsManager();
  fTrackletTree = NULL;
  fTracklets = new TObjArray(400);

  fNROB = 0;
  fTrigParam = NULL;
  fMCM = NULL;
  fTrk = NULL;
  fGTUtrk = NULL;

  fNtracklets = 0;

  fDigits = NULL;
  fTrack0 = NULL;
  fTrack1 = NULL;
  fTrack2 = NULL;

  fModule = NULL;

  fNPrimary = 0;

}

//_____________________________________________________________________________
AliTRDtrigger::AliTRDtrigger(const AliTRDtrigger &p):TNamed(p)
{
  //
  // AliTRDtrigger copy constructor
  //

  ((AliTRDtrigger &) p).Copy(*this);

}

///_____________________________________________________________________________
AliTRDtrigger::~AliTRDtrigger()
{
  //
  // AliTRDtrigger destructor
  //

  if (fTracklets) {
    fTracklets->Delete();
    delete fTracklets;
  }

  fTracks.Delete();

}

//_____________________________________________________________________________
AliTRDtrigger &AliTRDtrigger::operator=(const AliTRDtrigger &p)
{
  //
  // Assignment operator
  //

  if (this != &p) ((AliTRDtrigger &) p).Copy(*this);
  return *this;

}

//_____________________________________________________________________________
void AliTRDtrigger::Copy(TObject &) const
{
  //
  // Copy function
  //

  AliFatal("Not implemented");

}

//_____________________________________________________________________________
void AliTRDtrigger::Init()
{

  fModule = new AliTRDmodule(fTrigParam); 
  /*
  AliHeader *header = fRunLoader->GetHeader();
  fNPrimary = header->GetNprimary();
  */
  fTracks.Clear();

}

//_____________________________________________________________________________
Bool_t AliTRDtrigger::Open(const Char_t *name, Int_t nEvent)
{
  //
  // Opens the AliROOT file.
  //

  TString evfoldname = AliConfig::GetDefaultEventFolderName();
  fRunLoader = AliRunLoader::GetRunLoader(evfoldname);

  if (!fRunLoader)
    fRunLoader = AliRunLoader::Open(name);

  if (!fRunLoader) {
    Error("Open","Can not open session for file %s.",name);
    return kFALSE;
  }

  // Open input

  if (fRunLoader->GetAliRun() == 0x0) fRunLoader->LoadgAlice();
  gAlice = fRunLoader->GetAliRun();

  if (!(gAlice)) {
    fRunLoader->LoadgAlice();
    gAlice = fRunLoader->GetAliRun();
    if (!(gAlice)) {
      Error("Open","Could not find AliRun object.");
      return kFALSE;
    }
  }

  // Import the Trees for the event nEvent in the file
  fRunLoader->GetEvent(nEvent);

  // Open output

  TObjArray *ioArray = 0;

  AliLoader* loader = fRunLoader->GetLoader("TRDLoader");
  loader->MakeTree("T");
  fTrackletTree = loader->TreeT();
  fTrackletTree->Branch("TRDmcmTracklet","TObjArray",&ioArray,32000,0);
  /*
  fRunLoader->LoadHeader();
  */
  Init();

  return kTRUE;

}


//_____________________________________________________________________________
Bool_t AliTRDtrigger::ReadDigits() 
{
  //
  // Reads the digits arrays from the input aliroot file
  //

  if (!fRunLoader) {
    Error("ReadDigits","Can not find the Run Loader");
    return kFALSE;
  }

  AliLoader* loader = fRunLoader->GetLoader("TRDLoader");
  if (!loader->TreeD()) loader->LoadDigits();

  return (fDigitsManager->ReadDigits(loader->TreeD()));

}

//_____________________________________________________________________________
Bool_t AliTRDtrigger::ReadDigits(AliRawReader* rawReader)
{
  //
  // Reads the digits arrays from the ddl file
  //

  AliTRDrawData *raw = new AliTRDrawData();
  raw->SetDebug(1);

  fDigitsManager = raw->Raw2Digits(rawReader);

  return kTRUE;

}

//_____________________________________________________________________________
Bool_t AliTRDtrigger::ReadTracklets(AliRunLoader *rl) 
{
  //
  // Reads the tracklets find the tracks
  //

  Int_t idet;

  AliLoader *loader = rl->GetLoader("TRDLoader");
  loader->LoadTracks();
  fTrackletTree = loader->TreeT();

  TBranch *branch = fTrackletTree->GetBranch("TRDmcmTracklet");
  if (!branch) {
    Error("ReadTracklets","Can't get the branch !");
    return kFALSE;
  }
  TObjArray *tracklets = new TObjArray(400);
  branch->SetAddress(&tracklets);

  Int_t nEntries = (Int_t) fTrackletTree->GetEntries();
  Int_t iEntry, itrk;
  Int_t iStack, iStackPrev = -1;
  
  for (iEntry = 0; iEntry < nEntries; iEntry++) {    
    fTrackletTree->GetEvent(iEntry);
    
    for (itrk = 0; itrk < tracklets->GetEntriesFast(); itrk++){

      fTrk = (AliTRDmcmTracklet*)tracklets->UncheckedAt(itrk);
      
      idet = fTrk->GetDetector();

      iStack = idet / (AliTRDgeometry::Nplan());
      if (iStackPrev != iStack) {
	if (iStackPrev == -1) {
	  iStackPrev = iStack;
	} else {
	  MakeTracks(idet-AliTRDgeometry::Nplan());
	  ResetTracklets();
	  iStackPrev = iStack;
	}
      }
      
      Tracklets()->Add(fTrk);

      if (iEntry == (nEntries-1) && itrk == (tracklets->GetEntriesFast()-1)) {
	idet++;
	MakeTracks(idet-AliTRDgeometry::Nplan());
	ResetTracklets();
      }

    }

  }

  loader->UnloadTracks();

  return kTRUE;

}

//_____________________________________________________________________________
Bool_t AliTRDtrigger::MakeTracklets(Bool_t makeTracks)
{

  AliTRDcalibDB* calibration = AliTRDcalibDB::Instance();
  if (!calibration)
  {
    Error("MakeTracklets","No instance of AliTRDcalibDB.");
    return kFALSE;  
  }
  
  AliTRDCommonParam* commonParam = AliTRDCommonParam::Instance();
  if (!commonParam)
  {
    Error("MakeTracklets","No common params.");
    return kFALSE;
  }
    
  AliTRDgeometry *geo = AliTRDgeometry::GetGeometry(fRunLoader);

  Int_t    chamBeg = 0;
  Int_t    chamEnd = AliTRDgeometry::Ncham();
  Int_t    planBeg = 0;
  Int_t    planEnd = AliTRDgeometry::Nplan();
  Int_t    sectBeg = 0;
  Int_t    sectEnd = AliTRDgeometry::Nsect();

  fMCM = new AliTRDmcm(fTrigParam,0);

  Int_t time, col, row, col1, col2;
  Float_t amp;
  Int_t idet, iStack, iStackPrev;
  idet = -1;

  iStack     = -1;
  iStackPrev = -1;
  for (Int_t isect = sectBeg; isect < sectEnd; isect++) {

    for (Int_t icham = chamBeg; icham < chamEnd; icham++) {

      // number of ROBs in the chamber
      if( icham == 2 ) {
	fNROB = 6;
      } else {
	fNROB = 8;
      }

      for (Int_t iplan = planBeg; iplan < planEnd; iplan++) {

        idet = geo->GetDetector(iplan,icham,isect);
	ResetTracklets();
	
	if (makeTracks) {
	  iStack = idet / (AliTRDgeometry::Nplan());
	  if (iStackPrev != iStack) {
	    if (iStackPrev == -1) {
	      iStackPrev = iStack;
	    } else {
	      MakeTracks(idet-AliTRDgeometry::Nplan());
	      ResetTracklets();
	      iStackPrev = iStack;
	    }
	  }
	}

        Int_t    nRowMax     = commonParam->GetRowMax(iplan,icham,isect);
	Int_t    nColMax     = commonParam->GetColMax(iplan);
        Int_t    nTimeTotal  = calibration->GetNumberOfTimeBins();

        // Get the digits
        fDigits = fDigitsManager->GetDigits(idet);
        fDigits->Expand();
        fTrack0 = fDigitsManager->GetDictionary(idet,0);
        fTrack0->Expand();
        fTrack1 = fDigitsManager->GetDictionary(idet,1);
        fTrack1->Expand();
        fTrack2 = fDigitsManager->GetDictionary(idet,2); 
        fTrack2->Expand();

	for (Int_t iRob = 0; iRob < fNROB; iRob++) {

	  for (Int_t iMcm = 0; iMcm < kNMCM; iMcm++) {

	    fMCM->Reset();

	    fMCM->SetRobId(iRob);
	    fMCM->SetChaId(idet);

	    SetMCMcoordinates(iMcm);

	    row = fMCM->GetRow();

	    if (row < 0 || row >= nRowMax) {
	      Error("MakeTracklets","MCM row number out of range.");
	      continue;
	    }

	    fMCM->GetColRange(col1,col2);
	    
            for (time = 0; time < nTimeTotal; time++) {
	      for (col = col1; col < col2; col++) {
		if (col >= 0 && col < nColMax) {
		  amp = TMath::Abs(fDigits->GetDataUnchecked(row,col,time));
		} else {
		  amp = 0.0;
		}
		fMCM->SetADC(col-col1,time,amp);

	      }
	    }

	    if (fTrigParam->GetTailCancelation()) {
	      fMCM->Filter(fTrigParam->GetNexponential(),fTrigParam->GetFilterType());
	    }
	    
	    if (fMCM->Run()) {

	      for (Int_t iSeed = 0; iSeed < kMaxTrackletsPerMCM; iSeed++) {
		
		if (fMCM->GetSeedCol()[iSeed] < 0) continue;

		if ( fTrigParam->GetDebugLevel() > 1 ) 
		  printf("Add tracklet %d in col %02d \n",fNtracklets,fMCM->GetSeedCol()[iSeed]);

		if ( fTrigParam->GetDebugLevel() == -1 ) {
		  printf("Add tracklet %d in col %02d \n",fNtracklets,fMCM->GetSeedCol()[iSeed]);
		  for (time = 0; time < nTimeTotal; time++) {
		    for (col = 0; col < kMcmCol; col++) {		    
		      printf("%03.0f  ",fMCM->GetADC(col,time));
		    }
		    printf("\n");
		  }
		}

		AddTracklet(idet,row,iSeed,fNtracklets++);

	      }

	    }

	  }

      
	}

	// Compress the arrays
        fDigits->Compress(1,0);
        fTrack0->Compress(1,0);
        fTrack1->Compress(1,0);
        fTrack2->Compress(1,0);

	WriteTracklets(idet);

     }
    }
  }

  if (makeTracks) {
    idet++;
    MakeTracks(idet-AliTRDgeometry::Nplan());
    ResetTracklets();
  }

  return kTRUE;

}

//_____________________________________________________________________________
void AliTRDtrigger::SetMCMcoordinates(Int_t imcm)
{

  Int_t robid = fMCM->GetRobId();

  // setting the Row and Col range

  const Int_t kNcolRob = 2;  // number of ROBs per chamber in column direction
  const Int_t kNmcmRob = 4;  // number of MCMs per ROB in column/row direction

  Int_t mcmid = imcm%(kNmcmRob*kNmcmRob);

  if (robid%kNcolRob == 0) {

    if ( mcmid%kNmcmRob == 0 ) {
      fMCM->SetColRange(18*0-1,18*1-1+2+1);
    }
    if ( mcmid%kNmcmRob == 1 ) {
      fMCM->SetColRange(18*1-1,18*2-1+2+1);
    }
    if ( mcmid%kNmcmRob == 2 ) {
      fMCM->SetColRange(18*2-1,18*3-1+2+1);
    }
    if ( mcmid%kNmcmRob == 3 ) {
      fMCM->SetColRange(18*3-1,18*4-1+2+1);
    }

  } else {

    if ( mcmid%kNmcmRob == 0 ) {
      fMCM->SetColRange(18*4-1,18*5-1+2+1);
    }
    if ( mcmid%kNmcmRob == 1 ) {
      fMCM->SetColRange(18*5-1,18*6-1+2+1);
    }
    if ( mcmid%kNmcmRob == 2 ) {
      fMCM->SetColRange(18*6-1,18*7-1+2+1);
    }
    if ( mcmid%kNmcmRob == 3 ) {
      fMCM->SetColRange(18*7-1,18*8-1+2+1);
    }

  } 

  fMCM->SetRow(kNmcmRob*(robid/kNcolRob)+mcmid/kNmcmRob);

}

//_____________________________________________________________________________
void AliTRDtrigger::AddTracklet(Int_t det, Int_t row, Int_t seed, Int_t n)
{

  Float_t field = fTrigParam->GetField();
  AliTRDgeometry *geo = (AliTRDgeometry*)AliTRDgeometry::GetGeometry(fRunLoader);

  AliTRDcalibDB* calibration = AliTRDcalibDB::Instance();
  if (!calibration)
  {
    Error("AddTracklets","No instance of AliTRDcalibDB.");
    return;  
  }
  
  Int_t nTimeTotal  = calibration->GetNumberOfTimeBins();

  fTrk = new AliTRDmcmTracklet(det,row,n);

  Int_t iCol, iCol1, iCol2, track[3];
  iCol = fMCM->GetSeedCol()[seed];  // 0....20 (MCM)
  fMCM->GetColRange(iCol1,iCol2);   // range in the pad plane
	    
  Float_t amp[3];
  for (Int_t iTime = 0; iTime < nTimeTotal; iTime++) {

    amp[0] = fMCM->GetADC(iCol-1,iTime);
    amp[1] = fMCM->GetADC(iCol  ,iTime);
    amp[2] = fMCM->GetADC(iCol+1,iTime);

    // extract track contribution only from the central pad
    track[0] = fTrack0->GetDataUnchecked(row,iCol+iCol1,iTime);
    track[1] = fTrack1->GetDataUnchecked(row,iCol+iCol1,iTime);
    track[2] = fTrack2->GetDataUnchecked(row,iCol+iCol1,iTime);

    if (fMCM->IsCluster(iCol,iTime)) {

      fTrk->AddCluster(iCol+iCol1,iTime,amp,track);

    } else if ((iCol+1+1) < kMcmCol) {

      amp[0] = fMCM->GetADC(iCol-1+1,iTime);
      amp[1] = fMCM->GetADC(iCol  +1,iTime);
      amp[2] = fMCM->GetADC(iCol+1+1,iTime);

      if (fMCM->IsCluster(iCol+1,iTime)) {

	// extract track contribution only from the central pad
	track[0] = fTrack0->GetDataUnchecked(row,iCol+1+iCol1,iTime);
	track[1] = fTrack1->GetDataUnchecked(row,iCol+1+iCol1,iTime);
	track[2] = fTrack2->GetDataUnchecked(row,iCol+1+iCol1,iTime);

	fTrk->AddCluster(iCol+1+iCol1,iTime,amp,track);

      }

    } else {
    }

  }

  fTrk->CookLabel(0.8);  
  /*
  if (fTrk->GetLabel() >= fNPrimary) {
    Info("AddTracklet","Only primaries are stored!");
    return;
  }
  */
  // LTU Pt cut
  fTrk->MakeTrackletGraph(geo,field);
  fTrk->MakeClusAmpGraph();
  if (TMath::Abs(fTrk->GetPt()) < fTrigParam->GetLtuPtCut()) {
    return;
  }
      
  Tracklets()->Add(fTrk);

}

//_____________________________________________________________________________
Bool_t AliTRDtrigger::WriteTracklets(Int_t det) 
{
  //
  // Fills TRDmcmTracklet branch in the tree with the Tracklets 
  // found in detector = det. For det=-1 writes the tree. 
  //

  if ((det < -1) || (det >= AliTRDgeometry::Ndet())) {
    Error("WriteTracklets","Unexpected detector index %d.",det);
    return kFALSE;
  }

  TBranch *branch = fTrackletTree->GetBranch("TRDmcmTracklet");
  if (!branch) {
    TObjArray *ioArray = 0;
    branch = fTrackletTree->Branch("TRDmcmTracklet","TObjArray",&ioArray,32000,0);
  }

  if ((det >= 0) && (det < AliTRDgeometry::Ndet())) {

    Int_t nTracklets = Tracklets()->GetEntriesFast();
    TObjArray *detTracklets = new TObjArray(400);

    for (Int_t i = 0; i < nTracklets; i++) {
      AliTRDmcmTracklet *trk = (AliTRDmcmTracklet *) Tracklets()->UncheckedAt(i);
      
      if (det == trk->GetDetector()) {
        detTracklets->AddLast(trk);
      }
      else {
      }
    }

    branch->SetAddress(&detTracklets);
    fTrackletTree->Fill();

    delete detTracklets;

    return kTRUE;

  }

  if (det == -1) {

    Info("WriteTracklets","Writing the Tracklet tree %s for event %d."
	 ,fTrackletTree->GetName(),fRunLoader->GetEventNumber());

    AliLoader* loader = fRunLoader->GetLoader("TRDLoader");
    loader->WriteTracks("OVERWRITE");
    
    return kTRUE;  

  }

  return kFALSE;

}

//_____________________________________________________________________________
void AliTRDtrigger::MakeTracks(Int_t det)
{
  //
  // Create GTU tracks per module (stack of 6 chambers)
  //
  
  fModule->Reset();

  AliTRDCommonParam* commonParam = AliTRDCommonParam::Instance();
  if (!commonParam)
  {
    Error("MakeTracks","No common params.");
    return;
  }
    
  Int_t nRowMax, iplan, icham, isect, row;

  AliTRDgeometry *geo = (AliTRDgeometry*)AliTRDgeometry::GetGeometry(fRunLoader);

  if ((det < 0) || (det >= AliTRDgeometry::Ndet())) {
    Error("MakeTracks","Unexpected detector index %d.",det);
    return;
  }
  
  Int_t nTracklets = Tracklets()->GetEntriesFast();
  
  AliTRDmcmTracklet *trk;
  for (Int_t i = 0; i < nTracklets; i++) {
    
    trk = (AliTRDmcmTracklet *) Tracklets()->UncheckedAt(i);
    
    iplan = geo->GetPlane(trk->GetDetector());
    icham = geo->GetChamber(trk->GetDetector());
    isect = geo->GetSector(trk->GetDetector());

    nRowMax = commonParam->GetRowMax(iplan,icham,isect);
    row = trk->GetRow();

    fModule->AddTracklet(trk->GetDetector(),
			 row,
			 trk->GetRowz(),
			 trk->GetSlope(),
			 trk->GetOffset(),
			 trk->GetTime0(),
			 trk->GetNclusters(),
			 trk->GetLabel(),
			 trk->GetdQdl());
    
  }

  fModule->SortTracklets();
  fModule->RemoveMultipleTracklets();
  fModule->SortZ((Int_t)geo->GetChamber(det));
  fModule->FindTracks();
  fModule->SortTracks();
  fModule->RemoveMultipleTracks();

  Int_t nModTracks = fModule->GetNtracks();
  AliTRDgtuTrack *gtutrk;
  for (Int_t i = 0; i < nModTracks; i++) {
    gtutrk = (AliTRDgtuTrack*)fModule->GetTrack(i);
    if (TMath::Abs(gtutrk->GetPt()) < fTrigParam->GetGtuPtCut()) continue;
    gtutrk->CookLabel();
    gtutrk->MakePID();
    AddTrack(gtutrk,det);
  }
  
}
Commit	Line	Data
0ee00e25	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	// //
e3b2b5e5	18	// //
0ee00e25	19	// TRD trigger class //
0ee00e25	20	// //
e3b2b5e5	21	// //
0ee00e25	22	///////////////////////////////////////////////////////////////////////////////
	23
	24	#include <TTree.h>
	25	#include <TBranch.h>
	26	#include <TMatrixD.h>
	27
	28	#include "AliLog.h"
	29	#include "AliRun.h"
0ee00e25	30	#include "AliLoader.h"
0ee00e25	31
	32	#include "AliTRDdigitsManager.h"
	33	#include "AliTRDgeometry.h"
	34	#include "AliTRDdataArrayI.h"
	35	#include "AliTRDcalibDB.h"
	36	#include "AliTRDCommonParam.h"
	37	#include "Cal/AliTRDCalPIDLQ.h"
	38	#include "AliTRDrawData.h"
	39
	40	#include "AliTRDtrigger.h"
e3b2b5e5	41	#include "AliTRDmodule.h"
0ee00e25	42	#include "AliTRDmcmTracklet.h"
	43	#include "AliTRDtrigParam.h"
	44	#include "AliTRDmcm.h"
e3b2b5e5	45	#include "AliTRDzmaps.h"
0ee00e25	46
e3b2b5e5	47	//#include "AliHeader.h"
0ee00e25	48
e3b2b5e5	49	ClassImp(AliTRDtrigger)
0ee00e25	50
	51	//_____________________________________________________________________________
	52	AliTRDtrigger::AliTRDtrigger():
	53	TNamed(),
	54	fTracks("AliTRDgtuTrack",0)
	55	{
	56	//
	57	// AliTRDtrigger default constructor
	58	//
	59
	60	fDigitsManager = NULL;
	61	fTrackletTree = NULL;
	62	fTracklets = NULL;
	63
	64	fNROB = 0;
	65	fTrigParam = NULL;
	66	fMCM = NULL;
	67	fTrk = NULL;
	68	fGTUtrk = NULL;
	69
	70	fNtracklets = 0;
	71
	72	fDigits = NULL;
	73	fTrack0 = NULL;
	74	fTrack1 = NULL;
	75	fTrack2 = NULL;
	76
	77	fModule = NULL;
	78
	79	fNPrimary = 0;
	80
	81	}
	82
	83	//_____________________________________________________________________________
	84	AliTRDtrigger::AliTRDtrigger(const Text_t name, const Text_t title):
	85	TNamed(name,title),
	86	fTracks("AliTRDgtuTrack",1000)
	87	{
	88	//
	89	// AliTRDtrigger constructor
	90	//
	91
	92	fDigitsManager = new AliTRDdigitsManager();
	93	fTrackletTree = NULL;
	94	fTracklets = new TObjArray(400);
	95
	96	fNROB = 0;
	97	fTrigParam = NULL;
	98	fMCM = NULL;
	99	fTrk = NULL;
	100	fGTUtrk = NULL;
	101
	102	fNtracklets = 0;
	103
	104	fDigits = NULL;
	105	fTrack0 = NULL;
	106	fTrack1 = NULL;
	107	fTrack2 = NULL;
	108
	109	fModule = NULL;
	110
	111	fNPrimary = 0;
	112
	113	}
114
115	//_____________________________________________________________________________
116	AliTRDtrigger::AliTRDtrigger(const AliTRDtrigger &p):TNamed(p)
117	{
118	//
119	// AliTRDtrigger copy constructor
120	//
121
122	((AliTRDtrigger &) p).Copy(*this);
123
124	}
125
126	///_____________________________________________________________________________
127	AliTRDtrigger::~AliTRDtrigger()
128	{
129	//
130	// AliTRDtrigger destructor
131	//
132
133	if (fTracklets) {
134	fTracklets->Delete();
135	delete fTracklets;
136	}
137
138	fTracks.Delete();
139
140	}
141
142	//_____________________________________________________________________________
143	AliTRDtrigger &AliTRDtrigger::operator=(const AliTRDtrigger &p)
144	{
145	//
146	// Assignment operator
147	//
148
149	if (this != &p) ((AliTRDtrigger &) p).Copy(*this);
150	return *this;
151
152	}
153
154	//_____________________________________________________________________________
155	void AliTRDtrigger::Copy(TObject &) const
156	{
157	//
158	// Copy function
159	//
160
161	AliFatal("Not implemented");
162
163	}
164
165	//_____________________________________________________________________________
166	void AliTRDtrigger::Init()
167	{
168
169	fModule = new AliTRDmodule(fTrigParam);
170	/*
171	AliHeader *header = fRunLoader->GetHeader();
172	fNPrimary = header->GetNprimary();
173	*/
174	fTracks.Clear();
175
176	}
177
178	//_____________________________________________________________________________
179	Bool_t AliTRDtrigger::Open(const Char_t *name, Int_t nEvent)
180	{
181	//
182	// Opens the AliROOT file.
183	//
184
185	TString evfoldname = AliConfig::GetDefaultEventFolderName();
186	fRunLoader = AliRunLoader::GetRunLoader(evfoldname);
187
188	if (!fRunLoader)
189	fRunLoader = AliRunLoader::Open(name);
190
191	if (!fRunLoader) {
192	Error("Open","Can not open session for file %s.",name);
193	return kFALSE;
194	}
195
196	// Open input
197
198	if (fRunLoader->GetAliRun() == 0x0) fRunLoader->LoadgAlice();
199	gAlice = fRunLoader->GetAliRun();
200
201	if (!(gAlice)) {
202	fRunLoader->LoadgAlice();
203	gAlice = fRunLoader->GetAliRun();
204	if (!(gAlice)) {
205	Error("Open","Could not find AliRun object.");
206	return kFALSE;
207	}
208	}
209
210	// Import the Trees for the event nEvent in the file
211	fRunLoader->GetEvent(nEvent);
212
213	// Open output
214
215	TObjArray *ioArray = 0;
216
217	AliLoader* loader = fRunLoader->GetLoader("TRDLoader");
218	loader->MakeTree("T");
219	fTrackletTree = loader->TreeT();
220	fTrackletTree->Branch("TRDmcmTracklet","TObjArray",&ioArray,32000,0);
e3b2b5e5	221	/*
0ee00e25	222	fRunLoader->LoadHeader();
e3b2b5e5	223	*/
0ee00e25	224	Init();
	225
	226	return kTRUE;
	227
	228	}
	229
	230
	231	//_____________________________________________________________________________
	232	Bool_t AliTRDtrigger::ReadDigits()
	233	{
	234	//
	235	// Reads the digits arrays from the input aliroot file
	236	//
	237
	238	if (!fRunLoader) {
	239	Error("ReadDigits","Can not find the Run Loader");
	240	return kFALSE;
	241	}
	242
	243	AliLoader* loader = fRunLoader->GetLoader("TRDLoader");
	244	if (!loader->TreeD()) loader->LoadDigits();
	245
	246	return (fDigitsManager->ReadDigits(loader->TreeD()));
	247
	248	}
	249
	250	//_____________________________________________________________________________
	251	Bool_t AliTRDtrigger::ReadDigits(AliRawReader* rawReader)
	252	{
	253	//
	254	// Reads the digits arrays from the ddl file
	255	//
	256
	257	AliTRDrawData *raw = new AliTRDrawData();
	258	raw->SetDebug(1);
	259
	260	fDigitsManager = raw->Raw2Digits(rawReader);
	261
	262	return kTRUE;
	263
	264	}
	265
	266	//_____________________________________________________________________________
	267	Bool_t AliTRDtrigger::ReadTracklets(AliRunLoader *rl)
	268	{
	269	//
	270	// Reads the tracklets find the tracks
	271	//
	272
	273	Int_t idet;
	274
	275	AliLoader *loader = rl->GetLoader("TRDLoader");
	276	loader->LoadTracks();
	277	fTrackletTree = loader->TreeT();
	278
	279	TBranch *branch = fTrackletTree->GetBranch("TRDmcmTracklet");
	280	if (!branch) {
	281	Error("ReadTracklets","Can't get the branch !");
	282	return kFALSE;
	283	}
	284	TObjArray *tracklets = new TObjArray(400);
	285	branch->SetAddress(&tracklets);
	286
	287	Int_t nEntries = (Int_t) fTrackletTree->GetEntries();
288	Int_t iEntry, itrk;
289	Int_t iStack, iStackPrev = -1;
290
291	for (iEntry = 0; iEntry < nEntries; iEntry++) {
292	fTrackletTree->GetEvent(iEntry);
293
294	for (itrk = 0; itrk < tracklets->GetEntriesFast(); itrk++){
295
296	fTrk = (AliTRDmcmTracklet*)tracklets->UncheckedAt(itrk);
297
298	idet = fTrk->GetDetector();
299
300	iStack = idet / (AliTRDgeometry::Nplan());
301	if (iStackPrev != iStack) {
302	if (iStackPrev == -1) {
303	iStackPrev = iStack;
304	} else {
305	MakeTracks(idet-AliTRDgeometry::Nplan());
306	ResetTracklets();
307	iStackPrev = iStack;
308	}
309	}
310
311	Tracklets()->Add(fTrk);
312
313	if (iEntry == (nEntries-1) && itrk == (tracklets->GetEntriesFast()-1)) {
314	idet++;
315	MakeTracks(idet-AliTRDgeometry::Nplan());
316	ResetTracklets();
317	}
318
319	}
320
321	}
322
323	loader->UnloadTracks();
324
325	return kTRUE;
326
327	}
328
329	//_____________________________________________________________________________
e3b2b5e5	330	Bool_t AliTRDtrigger::MakeTracklets(Bool_t makeTracks)
0ee00e25	331	{
	332
	333	AliTRDcalibDB* calibration = AliTRDcalibDB::Instance();
	334	if (!calibration)
	335	{
	336	Error("MakeTracklets","No instance of AliTRDcalibDB.");
	337	return kFALSE;
	338	}
	339
	340	AliTRDCommonParam* commonParam = AliTRDCommonParam::Instance();
	341	if (!commonParam)
	342	{
	343	Error("MakeTracklets","No common params.");
	344	return kFALSE;
	345	}
	346
	347	AliTRDgeometry *geo = AliTRDgeometry::GetGeometry(fRunLoader);
	348
	349	Int_t chamBeg = 0;
	350	Int_t chamEnd = AliTRDgeometry::Ncham();
	351	Int_t planBeg = 0;
	352	Int_t planEnd = AliTRDgeometry::Nplan();
	353	Int_t sectBeg = 0;
	354	Int_t sectEnd = AliTRDgeometry::Nsect();
	355
	356	fMCM = new AliTRDmcm(fTrigParam,0);
	357
	358	Int_t time, col, row, col1, col2;
	359	Float_t amp;
	360	Int_t idet, iStack, iStackPrev;
0f20e40c	361	idet = -1;
0f20e40c	362
0ee00e25	363	iStack = -1;
	364	iStackPrev = -1;
	365	for (Int_t isect = sectBeg; isect < sectEnd; isect++) {
	366
	367	for (Int_t icham = chamBeg; icham < chamEnd; icham++) {
	368
	369	// number of ROBs in the chamber
	370	if( icham == 2 ) {
	371	fNROB = 6;
	372	} else {
	373	fNROB = 8;
	374	}
	375
	376	for (Int_t iplan = planBeg; iplan < planEnd; iplan++) {
	377
	378	idet = geo->GetDetector(iplan,icham,isect);
	379	ResetTracklets();
e3b2b5e5	380
	381	if (makeTracks) {
	382	iStack = idet / (AliTRDgeometry::Nplan());
	383	if (iStackPrev != iStack) {
	384	if (iStackPrev == -1) {
	385	iStackPrev = iStack;
	386	} else {
	387	MakeTracks(idet-AliTRDgeometry::Nplan());
	388	ResetTracklets();
	389	iStackPrev = iStack;
	390	}
0ee00e25	391	}
0ee00e25	392	}
e3b2b5e5	393
0ee00e25	394	Int_t nRowMax = commonParam->GetRowMax(iplan,icham,isect);
	395	Int_t nColMax = commonParam->GetColMax(iplan);
	396	Int_t nTimeTotal = calibration->GetNumberOfTimeBins();
	397
	398	// Get the digits
	399	fDigits = fDigitsManager->GetDigits(idet);
	400	fDigits->Expand();
	401	fTrack0 = fDigitsManager->GetDictionary(idet,0);
	402	fTrack0->Expand();
	403	fTrack1 = fDigitsManager->GetDictionary(idet,1);
	404	fTrack1->Expand();
	405	fTrack2 = fDigitsManager->GetDictionary(idet,2);
	406	fTrack2->Expand();
	407
0ee00e25	408	for (Int_t iRob = 0; iRob < fNROB; iRob++) {
	409
	410	for (Int_t iMcm = 0; iMcm < kNMCM; iMcm++) {
	411
	412	fMCM->Reset();
	413
	414	fMCM->SetRobId(iRob);
	415	fMCM->SetChaId(idet);
	416
	417	SetMCMcoordinates(iMcm);
	418
	419	row = fMCM->GetRow();
	420
c202a357	421	if (row < 0 \|\| row >= nRowMax) {
0ee00e25	422	Error("MakeTracklets","MCM row number out of range.");
c202a357	423	continue;
0ee00e25	424	}
	425
	426	fMCM->GetColRange(col1,col2);
	427
	428	for (time = 0; time < nTimeTotal; time++) {
	429	for (col = col1; col < col2; col++) {
	430	if (col >= 0 && col < nColMax) {
	431	amp = TMath::Abs(fDigits->GetDataUnchecked(row,col,time));
	432	} else {
	433	amp = 0.0;
	434	}
	435	fMCM->SetADC(col-col1,time,amp);
	436
	437	}
	438	}
	439
	440	if (fTrigParam->GetTailCancelation()) {
	441	fMCM->Filter(fTrigParam->GetNexponential(),fTrigParam->GetFilterType());
	442	}
	443
	444	if (fMCM->Run()) {
	445
	446	for (Int_t iSeed = 0; iSeed < kMaxTrackletsPerMCM; iSeed++) {
	447
	448	if (fMCM->GetSeedCol()[iSeed] < 0) continue;
	449
	450	if ( fTrigParam->GetDebugLevel() > 1 )
	451	printf("Add tracklet %d in col %02d \n",fNtracklets,fMCM->GetSeedCol()[iSeed]);
	452
	453	if ( fTrigParam->GetDebugLevel() == -1 ) {
	454	printf("Add tracklet %d in col %02d \n",fNtracklets,fMCM->GetSeedCol()[iSeed]);
	455	for (time = 0; time < nTimeTotal; time++) {
	456	for (col = 0; col < kMcmCol; col++) {
	457	printf("%03.0f ",fMCM->GetADC(col,time));
	458	}
	459	printf("\n");
	460	}
	461	}
	462
	463	AddTracklet(idet,row,iSeed,fNtracklets++);
	464
	465	}
	466
	467	}
	468
	469	}
	470
	471
	472	}
	473
	474	// Compress the arrays
	475	fDigits->Compress(1,0);
	476	fTrack0->Compress(1,0);
	477	fTrack1->Compress(1,0);
	478	fTrack2->Compress(1,0);
	479
	480	WriteTracklets(idet);
	481
	482	}
	483	}
	484	}
e3b2b5e5	485
	486	if (makeTracks) {
	487	idet++;
	488	MakeTracks(idet-AliTRDgeometry::Nplan());
	489	ResetTracklets();
	490	}
	491
0ee00e25	492	return kTRUE;
	493
	494	}
	495
	496	//_____________________________________________________________________________
	497	void AliTRDtrigger::SetMCMcoordinates(Int_t imcm)
	498	{
	499
	500	Int_t robid = fMCM->GetRobId();
	501
	502	// setting the Row and Col range
	503
	504	const Int_t kNcolRob = 2; // number of ROBs per chamber in column direction
	505	const Int_t kNmcmRob = 4; // number of MCMs per ROB in column/row direction
	506
	507	Int_t mcmid = imcm%(kNmcmRob*kNmcmRob);
	508
	509	if (robid%kNcolRob == 0) {
	510
	511	if ( mcmid%kNmcmRob == 0 ) {
	512	fMCM->SetColRange(180-1,181-1+2+1);
	513	}
	514	if ( mcmid%kNmcmRob == 1 ) {
	515	fMCM->SetColRange(181-1,182-1+2+1);
	516	}
	517	if ( mcmid%kNmcmRob == 2 ) {
	518	fMCM->SetColRange(182-1,183-1+2+1);
	519	}
	520	if ( mcmid%kNmcmRob == 3 ) {
	521	fMCM->SetColRange(183-1,184-1+2+1);
	522	}
	523
	524	} else {
	525
	526	if ( mcmid%kNmcmRob == 0 ) {
	527	fMCM->SetColRange(184-1,185-1+2+1);
	528	}
	529	if ( mcmid%kNmcmRob == 1 ) {
	530	fMCM->SetColRange(185-1,186-1+2+1);
	531	}
	532	if ( mcmid%kNmcmRob == 2 ) {
	533	fMCM->SetColRange(186-1,187-1+2+1);
	534	}
	535	if ( mcmid%kNmcmRob == 3 ) {
	536	fMCM->SetColRange(187-1,188-1+2+1);
	537	}
	538
	539	}
	540
	541	fMCM->SetRow(kNmcmRob*(robid/kNcolRob)+mcmid/kNmcmRob);
	542
	543	}
	544
	545	//_____________________________________________________________________________
	546	void AliTRDtrigger::AddTracklet(Int_t det, Int_t row, Int_t seed, Int_t n)
	547	{
	548
	549	Float_t field = fTrigParam->GetField();
	550	AliTRDgeometry geo = (AliTRDgeometry)AliTRDgeometry::GetGeometry(fRunLoader);
	551
	552	AliTRDcalibDB* calibration = AliTRDcalibDB::Instance();
	553	if (!calibration)
	554	{
	555	Error("AddTracklets","No instance of AliTRDcalibDB.");
556	return;
557	}
558
559	Int_t nTimeTotal = calibration->GetNumberOfTimeBins();
560
561	fTrk = new AliTRDmcmTracklet(det,row,n);
562
563	Int_t iCol, iCol1, iCol2, track[3];
564	iCol = fMCM->GetSeedCol()[seed]; // 0....20 (MCM)
565	fMCM->GetColRange(iCol1,iCol2); // range in the pad plane
566
e3b2b5e5	567	Float_t amp[3];
0ee00e25	568	for (Int_t iTime = 0; iTime < nTimeTotal; iTime++) {
0ee00e25	569
e3b2b5e5	570	amp[0] = fMCM->GetADC(iCol-1,iTime);
	571	amp[1] = fMCM->GetADC(iCol ,iTime);
	572	amp[2] = fMCM->GetADC(iCol+1,iTime);
0ee00e25	573
	574	// extract track contribution only from the central pad
	575	track[0] = fTrack0->GetDataUnchecked(row,iCol+iCol1,iTime);
	576	track[1] = fTrack1->GetDataUnchecked(row,iCol+iCol1,iTime);
	577	track[2] = fTrack2->GetDataUnchecked(row,iCol+iCol1,iTime);
	578
	579	if (fMCM->IsCluster(iCol,iTime)) {
	580
e3b2b5e5	581	fTrk->AddCluster(iCol+iCol1,iTime,amp,track);
0ee00e25	582
	583	} else if ((iCol+1+1) < kMcmCol) {
	584
e3b2b5e5	585	amp[0] = fMCM->GetADC(iCol-1+1,iTime);
	586	amp[1] = fMCM->GetADC(iCol +1,iTime);
	587	amp[2] = fMCM->GetADC(iCol+1+1,iTime);
0ee00e25	588
	589	if (fMCM->IsCluster(iCol+1,iTime)) {
	590
	591	// extract track contribution only from the central pad
	592	track[0] = fTrack0->GetDataUnchecked(row,iCol+1+iCol1,iTime);
	593	track[1] = fTrack1->GetDataUnchecked(row,iCol+1+iCol1,iTime);
	594	track[2] = fTrack2->GetDataUnchecked(row,iCol+1+iCol1,iTime);
	595
e3b2b5e5	596	fTrk->AddCluster(iCol+1+iCol1,iTime,amp,track);
0ee00e25	597
	598	}
	599
	600	} else {
	601	}
	602
	603	}
	604
	605	fTrk->CookLabel(0.8);
	606	/*
	607	if (fTrk->GetLabel() >= fNPrimary) {
	608	Info("AddTracklet","Only primaries are stored!");
	609	return;
	610	}
	611	*/
	612	// LTU Pt cut
	613	fTrk->MakeTrackletGraph(geo,field);
	614	fTrk->MakeClusAmpGraph();
e3b2b5e5	615	if (TMath::Abs(fTrk->GetPt()) < fTrigParam->GetLtuPtCut()) {
	616	return;
	617	}
0ee00e25	618
	619	Tracklets()->Add(fTrk);
	620
	621	}
	622
	623	//_____________________________________________________________________________
	624	Bool_t AliTRDtrigger::WriteTracklets(Int_t det)
	625	{
	626	//
	627	// Fills TRDmcmTracklet branch in the tree with the Tracklets
	628	// found in detector = det. For det=-1 writes the tree.
	629	//
	630
	631	if ((det < -1) \|\| (det >= AliTRDgeometry::Ndet())) {
	632	Error("WriteTracklets","Unexpected detector index %d.",det);
	633	return kFALSE;
	634	}
	635
	636	TBranch *branch = fTrackletTree->GetBranch("TRDmcmTracklet");
	637	if (!branch) {
	638	TObjArray *ioArray = 0;
	639	branch = fTrackletTree->Branch("TRDmcmTracklet","TObjArray",&ioArray,32000,0);
	640	}
	641
	642	if ((det >= 0) && (det < AliTRDgeometry::Ndet())) {
	643
	644	Int_t nTracklets = Tracklets()->GetEntriesFast();
	645	TObjArray *detTracklets = new TObjArray(400);
	646
	647	for (Int_t i = 0; i < nTracklets; i++) {
	648	AliTRDmcmTracklet trk = (AliTRDmcmTracklet ) Tracklets()->UncheckedAt(i);
	649
	650	if (det == trk->GetDetector()) {
	651	detTracklets->AddLast(trk);
	652	}
	653	else {
	654	}
	655	}
	656
	657	branch->SetAddress(&detTracklets);
	658	fTrackletTree->Fill();
	659
	660	delete detTracklets;
	661
	662	return kTRUE;
	663
	664	}
	665
	666	if (det == -1) {
	667
	668	Info("WriteTracklets","Writing the Tracklet tree %s for event %d."
	669	,fTrackletTree->GetName(),fRunLoader->GetEventNumber());
	670
	671	AliLoader* loader = fRunLoader->GetLoader("TRDLoader");
	672	loader->WriteTracks("OVERWRITE");
	673
	674	return kTRUE;
	675
	676	}
	677
	678	return kFALSE;
	679
	680	}
	681
682	//_____________________________________________________________________________
683	void AliTRDtrigger::MakeTracks(Int_t det)
684	{
685	//
686	// Create GTU tracks per module (stack of 6 chambers)
687	//
688
689	fModule->Reset();
690
691	AliTRDCommonParam* commonParam = AliTRDCommonParam::Instance();
692	if (!commonParam)
693	{
694	Error("MakeTracks","No common params.");
695	return;
696	}
697
698	Int_t nRowMax, iplan, icham, isect, row;
699
700	AliTRDgeometry geo = (AliTRDgeometry)AliTRDgeometry::GetGeometry(fRunLoader);
701
702	if ((det < 0) \|\| (det >= AliTRDgeometry::Ndet())) {
703	Error("MakeTracks","Unexpected detector index %d.",det);
704	return;
705	}
706
707	Int_t nTracklets = Tracklets()->GetEntriesFast();
708
709	AliTRDmcmTracklet *trk;
710	for (Int_t i = 0; i < nTracklets; i++) {
711
712	trk = (AliTRDmcmTracklet *) Tracklets()->UncheckedAt(i);
713
714	iplan = geo->GetPlane(trk->GetDetector());
715	icham = geo->GetChamber(trk->GetDetector());
716	isect = geo->GetSector(trk->GetDetector());
717
718	nRowMax = commonParam->GetRowMax(iplan,icham,isect);
719	row = trk->GetRow();
720
721	fModule->AddTracklet(trk->GetDetector(),
722	row,
723	trk->GetRowz(),
724	trk->GetSlope(),
725	trk->GetOffset(),
726	trk->GetTime0(),
727	trk->GetNclusters(),
728	trk->GetLabel(),
729	trk->GetdQdl());
730
731	}
732
733	fModule->SortTracklets();
734	fModule->RemoveMultipleTracklets();
735	fModule->SortZ((Int_t)geo->GetChamber(det));
736	fModule->FindTracks();
737	fModule->SortTracks();
738	fModule->RemoveMultipleTracks();
739
740	Int_t nModTracks = fModule->GetNtracks();
741	AliTRDgtuTrack *gtutrk;
742	for (Int_t i = 0; i < nModTracks; i++) {
743	gtutrk = (AliTRDgtuTrack*)fModule->GetTrack(i);
744	if (TMath::Abs(gtutrk->GetPt()) < fTrigParam->GetGtuPtCut()) continue;
745	gtutrk->CookLabel();
746	gtutrk->MakePID();
747	AddTrack(gtutrk,det);
748	}
749
750	}
751
752