[u/mrichter/AliRoot.git] / TOF / AliTOFClusterFinder.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.                  *
 **************************************************************************/

/* 

Revision 0.03  2005/07/28 A. De Caro
         Implement public method
	 Raw2Digits(Int_t, AliRawReader *)
	 to convert digits from raw data in MC digits
	 (temporary solution)

Revision 0.02  2005/07/27 A. De Caro
         Implement public method
	 Digits2RecPoint(Int_t)
	 to convert digits in clusters

Revision 0.02  2005/07/26 A. De Caro
         Implement private methods
	 InsertCluster(AliTOFcluster *)
	 FindClusterIndex(Double_t)
	 originally implemented in AliTOFtracker
	 by S. Arcelli and C. Zampolli

Revision 0.01  2005/07/25 A. De Caro
         Implement public methods
	 Digits2RecPoint(AliRawReader *, TTree *)
	 Digits2RecPoint(Int_t, AliRawReader *)
	 to convert raw data in clusters
 */

////////////////////////////////////////////////////////////////
//                                                            //
//         Class for TOF cluster finder                       //
//                                                            //
// Starting from Raw Data, create rec points,                 //
//                         fill TreeR for TOF,                //
//                         write TOF.RecPoints.root file      //
//                                                            //
////////////////////////////////////////////////////////////////

#include <Riostream.h>
#include <TTree.h>
#include <TObjArray.h>
#include <TClonesArray.h>

#include "AliLog.h"
#include "AliRunLoader.h"
#include "AliLoader.h"

#include "AliTOFdigit.h"
#include "AliTOFcluster.h"
#include "AliTOFGeometry.h"
#include "AliTOFGeometryV4.h"
#include "AliTOFGeometryV5.h"
#include "AliTOFRawStream.h"

#include "AliTOFClusterFinder.h"

ClassImp(AliTOFClusterFinder)

AliTOFClusterFinder::AliTOFClusterFinder():
  fRunLoader(0),
  fTOFLoader(0),
  fTreeD(0),
  fTreeR(0),
  fDigits(new TClonesArray("AliTOFdigit", 4000)),
  fRecPoints(new TClonesArray("AliTOFcluster", 4000)),
  fNumberOfTofClusters(0)
{
//
// Constructor
//

  fTOFGeometry = new AliTOFGeometry();

}
//______________________________________________________________________________

AliTOFClusterFinder::AliTOFClusterFinder(AliRunLoader* runLoader):
  fRunLoader(runLoader),
  fTOFLoader(runLoader->GetLoader("TOFLoader")),
  fTreeD(0),
  fTreeR(0),
  fDigits(new TClonesArray("AliTOFdigit", 4000)),
  fRecPoints(new TClonesArray("AliTOFcluster", 4000)),
  fNumberOfTofClusters(0)
{
//
// Constructor
//

  runLoader->CdGAFile();
  TFile *in=(TFile*)gFile;
  in->cd();
  fTOFGeometry = (AliTOFGeometry*)in->Get("TOFgeometry");

}
//______________________________________________________________________________

AliTOFClusterFinder::~AliTOFClusterFinder()
{

  //
  // Destructor
  //

  if (fDigits)
    {
      fDigits->Delete();
      delete fDigits;
      fDigits=0;
    }
  if (fRecPoints)
    {
      fRecPoints->Delete();
      delete fRecPoints;
      fRecPoints=0;
    }

  delete fTOFGeometry;

}
//______________________________________________________________________________

void AliTOFClusterFinder::Digits2RecPoints(Int_t iEvent)
{
  //
  // Converts digits to recpoints for TOF
  //

  fRunLoader->GetEvent(iEvent);

  fTreeD = fTOFLoader->TreeD();
  if (fTreeD == 0x0)
    {
      AliFatal("AliTOFClusterFinder: Can not get TreeD");
    }

  TBranch *branch = fTreeD->GetBranch("TOF");
  if (!branch) { 
    AliError("can't get the branch with the TOF digits !");
    return;
  }

  TClonesArray dummy("AliTOFdigit",10000), *digits=&dummy;
  branch->SetAddress(&digits);

  ResetRecpoint();

  fTreeR = fTOFLoader->TreeR();
  if (fTreeR == 0x0)
    {
      fTOFLoader->MakeTree("R");
      fTreeR = fTOFLoader->TreeR();
    }

  Int_t bufsize = 32000;
  fTreeR->Branch("TOF", &fRecPoints, bufsize);

  fTreeD->GetEvent(0);
  Int_t nDigits = digits->GetEntriesFast();
  AliDebug(2,Form("Number of TOF digits: %d",nDigits));

  Int_t ii, jj;
  Int_t dig[5];
  Float_t g[3];
  Double_t h[5];
  for (ii=0; ii<nDigits; ii++) {
    AliTOFdigit *d = (AliTOFdigit*)digits->UncheckedAt(ii);
    dig[0]=d->GetSector();
    dig[1]=d->GetPlate();
    dig[2]=d->GetStrip();
    dig[3]=d->GetPadz();
    dig[4]=d->GetPadx();

    for (jj=0; jj<3; jj++) g[jj] = 0.;
    fTOFGeometry->GetPos(dig,g);

    h[0] = TMath::Sqrt(g[0]*g[0]+g[1]*g[1]);
    h[1] = TMath::ATan2(g[1],g[0]);
    h[2] = g[2];
    h[3] = d->GetTdc();
    h[4] = d->GetAdc();

    AliTOFcluster *tofCluster = new AliTOFcluster(h,d->GetTracks(),dig,ii);
    InsertCluster(tofCluster);

  }

  AliInfo(Form("Number of found clusters: %i", fNumberOfTofClusters));

  FillRecPoint();

  fTreeR->Fill();
  ResetRecpoint();

  fTOFLoader = fRunLoader->GetLoader("TOFLoader");  
  fTOFLoader->WriteRecPoints("OVERWRITE");

}
//______________________________________________________________________________

void AliTOFClusterFinder::Digits2RecPoints(AliRawReader *rawReader,
					   TTree *clustersTree)
{
  //
  // Converts RAW data to recpoints for TOF
  //

  const Int_t kDDL = fTOFGeometry->NDDL()*fTOFGeometry->NSectors();

  ResetRecpoint();

  Int_t bufsize = 32000;
  clustersTree->Branch("TOF", &fRecPoints, bufsize);

  Int_t ii = 0;
  Int_t indexDDL = 0;

  Int_t detectorIndex[5];
  Float_t position[3];
  Double_t cylindricalPosition[5];

  for (indexDDL = 0; indexDDL < kDDL; indexDDL++) {

    rawReader->Reset();
    AliTOFRawStream tofInput(rawReader);
    rawReader->Select(5, indexDDL, indexDDL);

    while(tofInput.Next()) {

      detectorIndex[0] = tofInput.GetSector();
      detectorIndex[1] = tofInput.GetPlate();
      detectorIndex[2] = tofInput.GetStrip();
      detectorIndex[3] = tofInput.GetPadZ();
      detectorIndex[4] = tofInput.GetPadX();
      
      for (ii=0; ii<3; ii++) position[ii] =  0.;

      fTOFGeometry->GetPos(detectorIndex, position);

      cylindricalPosition[0] = TMath::Sqrt(position[0]*position[0] + position[1]*position[1]);
      cylindricalPosition[1] = TMath::ATan2(position[1], position[0]);
      cylindricalPosition[2] = position[2];
      cylindricalPosition[3] = tofInput.GetTofBin();
      cylindricalPosition[4] = tofInput.GetADCbin();

      AliTOFcluster *tofCluster = new AliTOFcluster(cylindricalPosition, detectorIndex);
      InsertCluster(tofCluster);

    } // while loop

  } // loop on DDL files

  AliInfo(Form("Number of found clusters: %i", fNumberOfTofClusters));

  FillRecPoint();

  clustersTree->Fill();
  ResetRecpoint();

}
//______________________________________________________________________________

void AliTOFClusterFinder::Digits2RecPoints(Int_t iEvent, AliRawReader *rawReader)
{
  //
  // Converts RAW data to recpoints for TOF
  //

  const Int_t kDDL = fTOFGeometry->NDDL()*fTOFGeometry->NSectors();

  fRunLoader->GetEvent(iEvent);

  AliDebug(2,Form(" Event number %2i ", iEvent));

  fTreeR = fTOFLoader->TreeR();

  if (fTreeR == 0x0){
    fTOFLoader->MakeTree("R");
    fTreeR = fTOFLoader->TreeR();
  }

  Int_t bufsize = 32000;
  fTreeR->Branch("TOF", &fRecPoints, bufsize);

  Int_t ii = 0;
  Int_t indexDDL = 0;

  Int_t detectorIndex[5];
  Float_t position[3];
  Double_t cylindricalPosition[5];

  for (indexDDL = 0; indexDDL < kDDL; indexDDL++) {

    rawReader->Reset();
    AliTOFRawStream tofInput(rawReader);
    rawReader->Select(5, indexDDL, indexDDL);

    while(tofInput.Next()) {

      detectorIndex[0] = (Int_t)tofInput.GetSector();
      detectorIndex[1] = (Int_t)tofInput.GetPlate();
      detectorIndex[2] = (Int_t)tofInput.GetStrip();
      detectorIndex[3] = (Int_t)tofInput.GetPadZ();
      detectorIndex[4] = (Int_t)tofInput.GetPadX();

      for (ii=0; ii<3; ii++) position[ii] =  0.;

      fTOFGeometry->GetPos(detectorIndex, position);
      
      cylindricalPosition[0] = (Double_t)TMath::Sqrt(position[0]*position[0] + position[1]*position[1]);
      cylindricalPosition[1] = (Double_t)TMath::ATan2(position[1], position[0]);
      cylindricalPosition[2] = (Double_t)position[2];
      cylindricalPosition[3] = (Double_t)tofInput.GetTofBin();
      cylindricalPosition[4] = (Double_t)tofInput.GetADCbin();

      AliTOFcluster *tofCluster = new AliTOFcluster(cylindricalPosition, detectorIndex);
      InsertCluster(tofCluster);

    } // while loop

  } // DDL Loop

  AliInfo(Form("Number of found clusters: %i", fNumberOfTofClusters));

  FillRecPoint();

  fTreeR->Fill();
  ResetRecpoint();

  fTOFLoader = fRunLoader->GetLoader("TOFLoader");
  fTOFLoader->WriteRecPoints("OVERWRITE");
  
}
//______________________________________________________________________________

void AliTOFClusterFinder::Raw2Digits(Int_t iEvent, AliRawReader *rawReader)
{
  //
  // Converts RAW data to MC digits for TOF
  //
  //             (temporary solution)
  //

  fRunLoader->GetEvent(iEvent);

  fTreeD = fTOFLoader->TreeD();
  if (fTreeD)
    {
    AliInfo("AliTOFClusterFinder: TreeD re-creation");
    fTreeD = 0x0;
    fTOFLoader->MakeTree("D");
    fTreeD = fTOFLoader->TreeD();
    }


  fTreeR = fTOFLoader->TreeD();
  if (fTreeD == 0x0)
    {
      fTOFLoader->MakeTree("D");
      fTreeD = fTOFLoader->TreeD();
    }

  TClonesArray dummy("AliTOFdigit",10000), *tofDigits=&dummy;
  Int_t bufsize = 32000;
  fTreeD->Branch("TOF", &tofDigits, bufsize);


  const Int_t kDDL = fTOFGeometry->NDDL()*fTOFGeometry->NSectors();

  fRunLoader->GetEvent(iEvent);

  AliDebug(2,Form(" Event number %2i ", iEvent));

  Int_t indexDDL = 0;

  Int_t detectorIndex[5];
  Float_t digit[2];

  for (indexDDL = 0; indexDDL < kDDL; indexDDL++) {

    rawReader->Reset();
    AliTOFRawStream tofInput(rawReader);
    rawReader->Select(5, indexDDL, indexDDL);

    while(tofInput.Next()) {

      detectorIndex[0] = tofInput.GetSector();
      detectorIndex[1] = tofInput.GetPlate();
      detectorIndex[2] = tofInput.GetStrip();
      detectorIndex[3] = tofInput.GetPadX();
      detectorIndex[4] = tofInput.GetPadZ();
      
      digit[0] = (Float_t)tofInput.GetTofBin();
      digit[1] = (Float_t)tofInput.GetADCbin();

      Int_t tracknum[3]={-1,-1,-1};

      TClonesArray &aDigits = *tofDigits;
      Int_t last=tofDigits->GetEntriesFast();
      new (aDigits[last]) AliTOFdigit(tracknum, detectorIndex, digit);

    } // while loop

  } // DDL Loop

  fTreeD->Fill();

  fTOFLoader = fRunLoader->GetLoader("TOFLoader");
  fTOFLoader->WriteDigits("OVERWRITE");
  
}
//______________________________________________________________________________

Int_t AliTOFClusterFinder::InsertCluster(AliTOFcluster *tofCluster) {
  //---------------------------------------------------------------------------//
  // This function adds a TOF cluster to the array of TOF clusters sorted in Z //
  //---------------------------------------------------------------------------//
  if (fNumberOfTofClusters==kTofMaxCluster) {
    AliError("Too many clusters !");
    return 1;
  }

  if (fNumberOfTofClusters==0) {
    fTofClusters[fNumberOfTofClusters++] = tofCluster;
    return 0;
  }

  Int_t ii = FindClusterIndex(tofCluster->GetZ());
  memmove(fTofClusters+ii+1 ,fTofClusters+ii,(fNumberOfTofClusters-ii)*sizeof(AliTOFcluster*));
  fTofClusters[ii] = tofCluster;
  fNumberOfTofClusters++;
  
  return 0;

}
//_________________________________________________________________________

Int_t AliTOFClusterFinder::FindClusterIndex(Double_t z) const {
  //--------------------------------------------------------------------
  // This function returns the index of the nearest cluster 
  //--------------------------------------------------------------------
  if (fNumberOfTofClusters==0) return 0;
  if (z <= fTofClusters[0]->GetZ()) return 0;
  if (z > fTofClusters[fNumberOfTofClusters-1]->GetZ()) return fNumberOfTofClusters;
  Int_t b = 0, e = fNumberOfTofClusters-1, m = (b+e)/2;
  for (; b<e; m=(b+e)/2) {
    if (z > fTofClusters[m]->GetZ()) b=m+1;
    else e=m;
  }

  return m;

}
//_________________________________________________________________________

void AliTOFClusterFinder::FillRecPoint()
{
  //
  // Copy the global array of AliTOFcluster, i.e. fTofClusters (sorted
  // in Z) in the global TClonesArray of AliTOFcluster,
  // i.e. fRecPoints.
  //

  Int_t ii, jj;

  Int_t detectorIndex[5];
  Double_t cylindricalPosition[5];
  Int_t trackLabels[3];
  Int_t digitIndex = -1;

  TClonesArray &lRecPoints = *fRecPoints;
  
  for (ii=0; ii<fNumberOfTofClusters; ii++) {

    digitIndex = fTofClusters[ii]->GetIndex();
    for(jj=0; jj<5; jj++) detectorIndex[jj] = fTofClusters[ii]->GetDetInd(jj);
    for(jj=0; jj<3; jj++) trackLabels[jj] = fTofClusters[ii]->GetLabel(jj);
    cylindricalPosition[0] = fTofClusters[ii]->GetR();
    cylindricalPosition[1] = fTofClusters[ii]->GetPhi();
    cylindricalPosition[2] = fTofClusters[ii]->GetZ();
    cylindricalPosition[3] = fTofClusters[ii]->GetTDC();
    cylindricalPosition[4] = fTofClusters[ii]->GetADC();

    new(lRecPoints[ii]) AliTOFcluster(cylindricalPosition, trackLabels, detectorIndex, digitIndex);

    //AliInfo(Form("%3i  %3i  %f %f %f %f %f  %2i %2i %2i %1i %2i",ii,digitIndex, cylindricalPosition[2],cylindricalPosition[0],cylindricalPosition[1],cylindricalPosition[3],cylindricalPosition[4],detectorIndex[0],detectorIndex[1],detectorIndex[2],detectorIndex[3],detectorIndex[4]));

  } // loop on clusters

}
//______________________________________________________________________________

void AliTOFClusterFinder::ResetRecpoint()
{
  //
  // Clear the list of reconstructed points
  //

  fNumberOfTofClusters = 0;
  if (fRecPoints) fRecPoints->Clear();

}
//______________________________________________________________________________

void AliTOFClusterFinder::Load()
{
  //
  // Load TOF.Digits.root and TOF.RecPoints.root files
  //

  fTOFLoader->LoadDigits("READ");
  fTOFLoader->LoadRecPoints("recreate");

}
//______________________________________________________________________________

void AliTOFClusterFinder::LoadClusters()
{
  //
  // Load TOF.RecPoints.root file
  //

  fTOFLoader->LoadRecPoints("recreate");

}
//______________________________________________________________________________

void AliTOFClusterFinder::UnLoad()
{
  //
  // Unload TOF.Digits.root and TOF.RecPoints.root files
  //

  fTOFLoader->UnloadDigits();
  fTOFLoader->UnloadRecPoints();

}
//______________________________________________________________________________

void AliTOFClusterFinder::UnLoadClusters()
{
  //
  // Unload TOF.RecPoints.root file
  //

  fTOFLoader->UnloadRecPoints();

}
//______________________________________________________________________________
Commit	Line	Data
d08a92dd	1	/***************************************************************************
	2	* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
	3	* *
	4	* Author: The ALICE Off-line Project. *
	5	* Contributors are mentioned in the code where appropriate. *
	6	* *
	7	* Permission to use, copy, modify and distribute this software and its *
	8	* documentation strictly for non-commercial purposes is hereby granted *
	9	* without fee, provided that the above copyright notice appears in all *
	10	* copies and that both the copyright notice and this permission notice *
	11	* appear in the supporting documentation. The authors make no claims *
	12	* about the suitability of this software for any purpose. It is *
	13	* provided "as is" without express or implied warranty. *
	14	**************************************************************************/
	15
	16	/*
	17
	18	Revision 0.03 2005/07/28 A. De Caro
	19	Implement public method
	20	Raw2Digits(Int_t, AliRawReader *)
	21	to convert digits from raw data in MC digits
	22	(temporary solution)
	23
	24	Revision 0.02 2005/07/27 A. De Caro
	25	Implement public method
	26	Digits2RecPoint(Int_t)
	27	to convert digits in clusters
	28
	29	Revision 0.02 2005/07/26 A. De Caro
	30	Implement private methods
	31	InsertCluster(AliTOFcluster *)
	32	FindClusterIndex(Double_t)
	33	originally implemented in AliTOFtracker
	34	by S. Arcelli and C. Zampolli
	35
	36	Revision 0.01 2005/07/25 A. De Caro
	37	Implement public methods
	38	Digits2RecPoint(AliRawReader , TTree )
	39	Digits2RecPoint(Int_t, AliRawReader *)
	40	to convert raw data in clusters
	41	*/
	42
	43	////////////////////////////////////////////////////////////////
	44	// //
	45	// Class for TOF cluster finder //
	46	// //
	47	// Starting from Raw Data, create rec points, //
	48	// fill TreeR for TOF, //
	49	// write TOF.RecPoints.root file //
	50	// //
	51	////////////////////////////////////////////////////////////////
	52
	53	#include <Riostream.h>
	54	#include <TTree.h>
	55	#include <TObjArray.h>
	56	#include <TClonesArray.h>
	57
	58	#include "AliLog.h"
	59	#include "AliRunLoader.h"
	60	#include "AliLoader.h"
	61
	62	#include "AliTOFdigit.h"
	63	#include "AliTOFcluster.h"
	64	#include "AliTOFGeometry.h"
d3c7bfac	65	#include "AliTOFGeometryV4.h"
d3c7bfac	66	#include "AliTOFGeometryV5.h"
d08a92dd	67	#include "AliTOFRawStream.h"
	68
	69	#include "AliTOFClusterFinder.h"
	70
	71	ClassImp(AliTOFClusterFinder)
	72
	73	AliTOFClusterFinder::AliTOFClusterFinder():
	74	fRunLoader(0),
	75	fTOFLoader(0),
	76	fTreeD(0),
	77	fTreeR(0),
	78	fDigits(new TClonesArray("AliTOFdigit", 4000)),
	79	fRecPoints(new TClonesArray("AliTOFcluster", 4000)),
	80	fNumberOfTofClusters(0)
	81	{
	82	//
	83	// Constructor
	84	//
	85
	86	fTOFGeometry = new AliTOFGeometry();
	87
	88	}
	89	//______________________________________________________________________________
	90
	91	AliTOFClusterFinder::AliTOFClusterFinder(AliRunLoader* runLoader):
	92	fRunLoader(runLoader),
	93	fTOFLoader(runLoader->GetLoader("TOFLoader")),
	94	fTreeD(0),
	95	fTreeR(0),
	96	fDigits(new TClonesArray("AliTOFdigit", 4000)),
	97	fRecPoints(new TClonesArray("AliTOFcluster", 4000)),
	98	fNumberOfTofClusters(0)
	99	{
	100	//
	101	// Constructor
	102	//
	103
d3c7bfac	104	runLoader->CdGAFile();
	105	TFile in=(TFile)gFile;
	106	in->cd();
	107	fTOFGeometry = (AliTOFGeometry*)in->Get("TOFgeometry");
d08a92dd	108
	109	}
	110	//______________________________________________________________________________
	111
	112	AliTOFClusterFinder::~AliTOFClusterFinder()
	113	{
	114
	115	//
	116	// Destructor
	117	//
	118
	119	if (fDigits)
	120	{
	121	fDigits->Delete();
	122	delete fDigits;
	123	fDigits=0;
	124	}
	125	if (fRecPoints)
	126	{
	127	fRecPoints->Delete();
	128	delete fRecPoints;
	129	fRecPoints=0;
	130	}
	131
	132	delete fTOFGeometry;
	133
	134	}
	135	//______________________________________________________________________________
	136
	137	void AliTOFClusterFinder::Digits2RecPoints(Int_t iEvent)
	138	{
	139	//
	140	// Converts digits to recpoints for TOF
	141	//
	142
	143	fRunLoader->GetEvent(iEvent);
	144
	145	fTreeD = fTOFLoader->TreeD();
	146	if (fTreeD == 0x0)
	147	{
	148	AliFatal("AliTOFClusterFinder: Can not get TreeD");
	149	}
	150
	151	TBranch *branch = fTreeD->GetBranch("TOF");
	152	if (!branch) {
	153	AliError("can't get the branch with the TOF digits !");
	154	return;
	155	}
	156
	157	TClonesArray dummy("AliTOFdigit",10000), *digits=&dummy;
	158	branch->SetAddress(&digits);
	159
	160	ResetRecpoint();
	161
	162	fTreeR = fTOFLoader->TreeR();
	163	if (fTreeR == 0x0)
	164	{
	165	fTOFLoader->MakeTree("R");
	166	fTreeR = fTOFLoader->TreeR();
	167	}
	168
	169	Int_t bufsize = 32000;
	170	fTreeR->Branch("TOF", &fRecPoints, bufsize);
	171
172	fTreeD->GetEvent(0);
173	Int_t nDigits = digits->GetEntriesFast();
174	AliDebug(2,Form("Number of TOF digits: %d",nDigits));
175
176	Int_t ii, jj;
177	Int_t dig[5];
178	Float_t g[3];
179	Double_t h[5];
180	for (ii=0; ii<nDigits; ii++) {
181	AliTOFdigit d = (AliTOFdigit)digits->UncheckedAt(ii);
182	dig[0]=d->GetSector();
183	dig[1]=d->GetPlate();
184	dig[2]=d->GetStrip();
185	dig[3]=d->GetPadz();
186	dig[4]=d->GetPadx();
187
188	for (jj=0; jj<3; jj++) g[jj] = 0.;
189	fTOFGeometry->GetPos(dig,g);
190
191	h[0] = TMath::Sqrt(g[0]g[0]+g[1]g[1]);
192	h[1] = TMath::ATan2(g[1],g[0]);
193	h[2] = g[2];
194	h[3] = d->GetTdc();
195	h[4] = d->GetAdc();
196
197	AliTOFcluster *tofCluster = new AliTOFcluster(h,d->GetTracks(),dig,ii);
198	InsertCluster(tofCluster);
199
200	}
201
202	AliInfo(Form("Number of found clusters: %i", fNumberOfTofClusters));
203
204	FillRecPoint();
205
206	fTreeR->Fill();
207	ResetRecpoint();
208
209	fTOFLoader = fRunLoader->GetLoader("TOFLoader");
210	fTOFLoader->WriteRecPoints("OVERWRITE");
211
212	}
213	//______________________________________________________________________________
214
215	void AliTOFClusterFinder::Digits2RecPoints(AliRawReader *rawReader,
216	TTree *clustersTree)
217	{
218	//
219	// Converts RAW data to recpoints for TOF
220	//
221
222	const Int_t kDDL = fTOFGeometry->NDDL()*fTOFGeometry->NSectors();
223
224	ResetRecpoint();
225
226	Int_t bufsize = 32000;
227	clustersTree->Branch("TOF", &fRecPoints, bufsize);
228
229	Int_t ii = 0;
230	Int_t indexDDL = 0;
231
232	Int_t detectorIndex[5];
233	Float_t position[3];
234	Double_t cylindricalPosition[5];
235
236	for (indexDDL = 0; indexDDL < kDDL; indexDDL++) {
237
238	rawReader->Reset();
239	AliTOFRawStream tofInput(rawReader);
240	rawReader->Select(5, indexDDL, indexDDL);
241
242	while(tofInput.Next()) {
243
244	detectorIndex[0] = tofInput.GetSector();
245	detectorIndex[1] = tofInput.GetPlate();
246	detectorIndex[2] = tofInput.GetStrip();
247	detectorIndex[3] = tofInput.GetPadZ();
248	detectorIndex[4] = tofInput.GetPadX();
249
250	for (ii=0; ii<3; ii++) position[ii] = 0.;
251
252	fTOFGeometry->GetPos(detectorIndex, position);
253
254	cylindricalPosition[0] = TMath::Sqrt(position[0]position[0] + position[1]position[1]);
255	cylindricalPosition[1] = TMath::ATan2(position[1], position[0]);
256	cylindricalPosition[2] = position[2];
257	cylindricalPosition[3] = tofInput.GetTofBin();
258	cylindricalPosition[4] = tofInput.GetADCbin();
259
260	AliTOFcluster *tofCluster = new AliTOFcluster(cylindricalPosition, detectorIndex);
261	InsertCluster(tofCluster);
262
263	} // while loop
264
265	} // loop on DDL files
266
267	AliInfo(Form("Number of found clusters: %i", fNumberOfTofClusters));
268
269	FillRecPoint();
270
271	clustersTree->Fill();
272	ResetRecpoint();
273
274	}
275	//______________________________________________________________________________
276
277	void AliTOFClusterFinder::Digits2RecPoints(Int_t iEvent, AliRawReader *rawReader)
278	{
279	//
280	// Converts RAW data to recpoints for TOF
281	//
282
283	const Int_t kDDL = fTOFGeometry->NDDL()*fTOFGeometry->NSectors();
284
285	fRunLoader->GetEvent(iEvent);
286
287	AliDebug(2,Form(" Event number %2i ", iEvent));
288
289	fTreeR = fTOFLoader->TreeR();
290
291	if (fTreeR == 0x0){
292	fTOFLoader->MakeTree("R");
293	fTreeR = fTOFLoader->TreeR();
294	}
295
296	Int_t bufsize = 32000;
297	fTreeR->Branch("TOF", &fRecPoints, bufsize);
298
299	Int_t ii = 0;
300	Int_t indexDDL = 0;
301
302	Int_t detectorIndex[5];
303	Float_t position[3];
304	Double_t cylindricalPosition[5];
305
306	for (indexDDL = 0; indexDDL < kDDL; indexDDL++) {
307
308	rawReader->Reset();
309	AliTOFRawStream tofInput(rawReader);
310	rawReader->Select(5, indexDDL, indexDDL);
311
312	while(tofInput.Next()) {
313
314	detectorIndex[0] = (Int_t)tofInput.GetSector();
315	detectorIndex[1] = (Int_t)tofInput.GetPlate();
316	detectorIndex[2] = (Int_t)tofInput.GetStrip();
317	detectorIndex[3] = (Int_t)tofInput.GetPadZ();
318	detectorIndex[4] = (Int_t)tofInput.GetPadX();
319
320	for (ii=0; ii<3; ii++) position[ii] = 0.;
321
322	fTOFGeometry->GetPos(detectorIndex, position);
323
324	cylindricalPosition[0] = (Double_t)TMath::Sqrt(position[0]position[0] + position[1]position[1]);
325	cylindricalPosition[1] = (Double_t)TMath::ATan2(position[1], position[0]);
326	cylindricalPosition[2] = (Double_t)position[2];
327	cylindricalPosition[3] = (Double_t)tofInput.GetTofBin();
328	cylindricalPosition[4] = (Double_t)tofInput.GetADCbin();
329
330	AliTOFcluster *tofCluster = new AliTOFcluster(cylindricalPosition, detectorIndex);
331	InsertCluster(tofCluster);
332
333	} // while loop
334
335	} // DDL Loop
336
337	AliInfo(Form("Number of found clusters: %i", fNumberOfTofClusters));
338
339	FillRecPoint();
340
341	fTreeR->Fill();
342	ResetRecpoint();
343
344	fTOFLoader = fRunLoader->GetLoader("TOFLoader");
345	fTOFLoader->WriteRecPoints("OVERWRITE");
346
347	}
348	//______________________________________________________________________________
349
350	void AliTOFClusterFinder::Raw2Digits(Int_t iEvent, AliRawReader *rawReader)
351	{
352	//
353	// Converts RAW data to MC digits for TOF
354	//
355	// (temporary solution)
356	//
357
358	fRunLoader->GetEvent(iEvent);
359
360	fTreeD = fTOFLoader->TreeD();
361	if (fTreeD)
362	{
363	AliInfo("AliTOFClusterFinder: TreeD re-creation");
364	fTreeD = 0x0;
365	fTOFLoader->MakeTree("D");
366	fTreeD = fTOFLoader->TreeD();
367	}
368
369
370	fTreeR = fTOFLoader->TreeD();
371	if (fTreeD == 0x0)
372	{
373	fTOFLoader->MakeTree("D");
374	fTreeD = fTOFLoader->TreeD();
375	}
376
377	TClonesArray dummy("AliTOFdigit",10000), *tofDigits=&dummy;
378	Int_t bufsize = 32000;
379	fTreeD->Branch("TOF", &tofDigits, bufsize);
380
381
382	const Int_t kDDL = fTOFGeometry->NDDL()*fTOFGeometry->NSectors();
383
384	fRunLoader->GetEvent(iEvent);
385
386	AliDebug(2,Form(" Event number %2i ", iEvent));
387
388	Int_t indexDDL = 0;
389
390	Int_t detectorIndex[5];
391	Float_t digit[2];
392
393	for (indexDDL = 0; indexDDL < kDDL; indexDDL++) {
394
395	rawReader->Reset();
396	AliTOFRawStream tofInput(rawReader);
397	rawReader->Select(5, indexDDL, indexDDL);
398
399	while(tofInput.Next()) {
400
401	detectorIndex[0] = tofInput.GetSector();
402	detectorIndex[1] = tofInput.GetPlate();
403	detectorIndex[2] = tofInput.GetStrip();
404	detectorIndex[3] = tofInput.GetPadX();
405	detectorIndex[4] = tofInput.GetPadZ();
406
407	digit[0] = (Float_t)tofInput.GetTofBin();
408	digit[1] = (Float_t)tofInput.GetADCbin();
409
410	Int_t tracknum[3]={-1,-1,-1};
411
412	TClonesArray &aDigits = *tofDigits;
413	Int_t last=tofDigits->GetEntriesFast();
414	new (aDigits[last]) AliTOFdigit(tracknum, detectorIndex, digit);
415
416	} // while loop
417
418	} // DDL Loop
419
420	fTreeD->Fill();
421
422	fTOFLoader = fRunLoader->GetLoader("TOFLoader");
423	fTOFLoader->WriteDigits("OVERWRITE");
424
425	}
426	//______________________________________________________________________________
427
428	Int_t AliTOFClusterFinder::InsertCluster(AliTOFcluster *tofCluster) {
429	//---------------------------------------------------------------------------//
430	// This function adds a TOF cluster to the array of TOF clusters sorted in Z //
431	//---------------------------------------------------------------------------//
432	if (fNumberOfTofClusters==kTofMaxCluster) {
433	AliError("Too many clusters !");
434	return 1;
435	}
436
437	if (fNumberOfTofClusters==0) {
438	fTofClusters[fNumberOfTofClusters++] = tofCluster;
439	return 0;
440	}
441
442	Int_t ii = FindClusterIndex(tofCluster->GetZ());
443	memmove(fTofClusters+ii+1 ,fTofClusters+ii,(fNumberOfTofClusters-ii)sizeof(AliTOFcluster));
444	fTofClusters[ii] = tofCluster;
445	fNumberOfTofClusters++;
446
447	return 0;
448
449	}
450	//_________________________________________________________________________
451
452	Int_t AliTOFClusterFinder::FindClusterIndex(Double_t z) const {
453	//--------------------------------------------------------------------
454	// This function returns the index of the nearest cluster
455	//--------------------------------------------------------------------
456	if (fNumberOfTofClusters==0) return 0;
457	if (z <= fTofClusters[0]->GetZ()) return 0;
458	if (z > fTofClusters[fNumberOfTofClusters-1]->GetZ()) return fNumberOfTofClusters;
459	Int_t b = 0, e = fNumberOfTofClusters-1, m = (b+e)/2;
460	for (; b<e; m=(b+e)/2) {
461	if (z > fTofClusters[m]->GetZ()) b=m+1;
462	else e=m;
463	}
464
465	return m;
466
467	}
468	//_________________________________________________________________________
469
470	void AliTOFClusterFinder::FillRecPoint()
471	{
472	//
473	// Copy the global array of AliTOFcluster, i.e. fTofClusters (sorted
474	// in Z) in the global TClonesArray of AliTOFcluster,
475	// i.e. fRecPoints.
476	//
477
478	Int_t ii, jj;
479
480	Int_t detectorIndex[5];
481	Double_t cylindricalPosition[5];
482	Int_t trackLabels[3];
483	Int_t digitIndex = -1;
484
485	TClonesArray &lRecPoints = *fRecPoints;
486
487	for (ii=0; ii<fNumberOfTofClusters; ii++) {
488
489	digitIndex = fTofClusters[ii]->GetIndex();
490	for(jj=0; jj<5; jj++) detectorIndex[jj] = fTofClusters[ii]->GetDetInd(jj);
491	for(jj=0; jj<3; jj++) trackLabels[jj] = fTofClusters[ii]->GetLabel(jj);
492	cylindricalPosition[0] = fTofClusters[ii]->GetR();
493	cylindricalPosition[1] = fTofClusters[ii]->GetPhi();
494	cylindricalPosition[2] = fTofClusters[ii]->GetZ();
495	cylindricalPosition[3] = fTofClusters[ii]->GetTDC();
496	cylindricalPosition[4] = fTofClusters[ii]->GetADC();
497
498	new(lRecPoints[ii]) AliTOFcluster(cylindricalPosition, trackLabels, detectorIndex, digitIndex);
499
500	//AliInfo(Form("%3i %3i %f %f %f %f %f %2i %2i %2i %1i %2i",ii,digitIndex, cylindricalPosition[2],cylindricalPosition[0],cylindricalPosition[1],cylindricalPosition[3],cylindricalPosition[4],detectorIndex[0],detectorIndex[1],detectorIndex[2],detectorIndex[3],detectorIndex[4]));
501
502	} // loop on clusters
503
504	}
505	//______________________________________________________________________________
506
507	void AliTOFClusterFinder::ResetRecpoint()
508	{
509	//
510	// Clear the list of reconstructed points
511	//
512
513	fNumberOfTofClusters = 0;
514	if (fRecPoints) fRecPoints->Clear();
515
516	}
517	//______________________________________________________________________________
518
519	void AliTOFClusterFinder::Load()
520	{
521	//
522	// Load TOF.Digits.root and TOF.RecPoints.root files
523	//
524
525	fTOFLoader->LoadDigits("READ");
526	fTOFLoader->LoadRecPoints("recreate");
527
528	}
529	//______________________________________________________________________________
530
531	void AliTOFClusterFinder::LoadClusters()
532	{
533	//
534	// Load TOF.RecPoints.root file
535	//
536
537	fTOFLoader->LoadRecPoints("recreate");
538
539	}
540	//______________________________________________________________________________
541
542	void AliTOFClusterFinder::UnLoad()
543	{
544	//
545	// Unload TOF.Digits.root and TOF.RecPoints.root files
546	//
547
548	fTOFLoader->UnloadDigits();
549	fTOFLoader->UnloadRecPoints();
550
551	}
552	//______________________________________________________________________________
553
554	void AliTOFClusterFinder::UnLoadClusters()
555	{
556	//
557	// Unload TOF.RecPoints.root file
558	//
559
560	fTOFLoader->UnloadRecPoints();
561
562	}
563	//______________________________________________________________________________