[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 "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
//

  fTOFGeometry = new AliTOFGeometry();

}
//______________________________________________________________________________

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"
65	#include "AliTOFRawStream.h"
66
67	#include "AliTOFClusterFinder.h"
68
69	ClassImp(AliTOFClusterFinder)
70
71	AliTOFClusterFinder::AliTOFClusterFinder():
72	fRunLoader(0),
73	fTOFLoader(0),
74	fTreeD(0),
75	fTreeR(0),
76	fDigits(new TClonesArray("AliTOFdigit", 4000)),
77	fRecPoints(new TClonesArray("AliTOFcluster", 4000)),
78	fNumberOfTofClusters(0)
79	{
80	//
81	// Constructor
82	//
83
84	fTOFGeometry = new AliTOFGeometry();
85
86	}
87	//______________________________________________________________________________
88
89	AliTOFClusterFinder::AliTOFClusterFinder(AliRunLoader* runLoader):
90	fRunLoader(runLoader),
91	fTOFLoader(runLoader->GetLoader("TOFLoader")),
92	fTreeD(0),
93	fTreeR(0),
94	fDigits(new TClonesArray("AliTOFdigit", 4000)),
95	fRecPoints(new TClonesArray("AliTOFcluster", 4000)),
96	fNumberOfTofClusters(0)
97	{
98	//
99	// Constructor
100	//
101
102	fTOFGeometry = new AliTOFGeometry();
103
104	}
105	//______________________________________________________________________________
106
107	AliTOFClusterFinder::~AliTOFClusterFinder()
108	{
109
110	//
111	// Destructor
112	//
113
114	if (fDigits)
115	{
116	fDigits->Delete();
117	delete fDigits;
118	fDigits=0;
119	}
120	if (fRecPoints)
121	{
122	fRecPoints->Delete();
123	delete fRecPoints;
124	fRecPoints=0;
125	}
126
127	delete fTOFGeometry;
128
129	}
130	//______________________________________________________________________________
131
132	void AliTOFClusterFinder::Digits2RecPoints(Int_t iEvent)
133	{
134	//
135	// Converts digits to recpoints for TOF
136	//
137
138	fRunLoader->GetEvent(iEvent);
139
140	fTreeD = fTOFLoader->TreeD();
141	if (fTreeD == 0x0)
142	{
143	AliFatal("AliTOFClusterFinder: Can not get TreeD");
144	}
145
146	TBranch *branch = fTreeD->GetBranch("TOF");
147	if (!branch) {
148	AliError("can't get the branch with the TOF digits !");
149	return;
150	}
151
152	TClonesArray dummy("AliTOFdigit",10000), *digits=&dummy;
153	branch->SetAddress(&digits);
154
155	ResetRecpoint();
156
157	fTreeR = fTOFLoader->TreeR();
158	if (fTreeR == 0x0)
159	{
160	fTOFLoader->MakeTree("R");
161	fTreeR = fTOFLoader->TreeR();
162	}
163
164	Int_t bufsize = 32000;
165	fTreeR->Branch("TOF", &fRecPoints, bufsize);
166
167	fTreeD->GetEvent(0);
168	Int_t nDigits = digits->GetEntriesFast();
169	AliDebug(2,Form("Number of TOF digits: %d",nDigits));
170
171	Int_t ii, jj;
172	Int_t dig[5];
173	Float_t g[3];
174	Double_t h[5];
175	for (ii=0; ii<nDigits; ii++) {
176	AliTOFdigit d = (AliTOFdigit)digits->UncheckedAt(ii);
177	dig[0]=d->GetSector();
178	dig[1]=d->GetPlate();
179	dig[2]=d->GetStrip();
180	dig[3]=d->GetPadz();
181	dig[4]=d->GetPadx();
182
183	for (jj=0; jj<3; jj++) g[jj] = 0.;
184	fTOFGeometry->GetPos(dig,g);
185
186	h[0] = TMath::Sqrt(g[0]g[0]+g[1]g[1]);
187	h[1] = TMath::ATan2(g[1],g[0]);
188	h[2] = g[2];
189	h[3] = d->GetTdc();
190	h[4] = d->GetAdc();
191
192	AliTOFcluster *tofCluster = new AliTOFcluster(h,d->GetTracks(),dig,ii);
193	InsertCluster(tofCluster);
194
195	}
196
197	AliInfo(Form("Number of found clusters: %i", fNumberOfTofClusters));
198
199	FillRecPoint();
200
201	fTreeR->Fill();
202	ResetRecpoint();
203
204	fTOFLoader = fRunLoader->GetLoader("TOFLoader");
205	fTOFLoader->WriteRecPoints("OVERWRITE");
206
207	}
208	//______________________________________________________________________________
209
210	void AliTOFClusterFinder::Digits2RecPoints(AliRawReader *rawReader,
211	TTree *clustersTree)
212	{
213	//
214	// Converts RAW data to recpoints for TOF
215	//
216
217	const Int_t kDDL = fTOFGeometry->NDDL()*fTOFGeometry->NSectors();
218
219	ResetRecpoint();
220
221	Int_t bufsize = 32000;
222	clustersTree->Branch("TOF", &fRecPoints, bufsize);
223
224	Int_t ii = 0;
225	Int_t indexDDL = 0;
226
227	Int_t detectorIndex[5];
228	Float_t position[3];
229	Double_t cylindricalPosition[5];
230
231	for (indexDDL = 0; indexDDL < kDDL; indexDDL++) {
232
233	rawReader->Reset();
234	AliTOFRawStream tofInput(rawReader);
235	rawReader->Select(5, indexDDL, indexDDL);
236
237	while(tofInput.Next()) {
238
239	detectorIndex[0] = tofInput.GetSector();
240	detectorIndex[1] = tofInput.GetPlate();
241	detectorIndex[2] = tofInput.GetStrip();
242	detectorIndex[3] = tofInput.GetPadZ();
243	detectorIndex[4] = tofInput.GetPadX();
244
245	for (ii=0; ii<3; ii++) position[ii] = 0.;
246
247	fTOFGeometry->GetPos(detectorIndex, position);
248
249	cylindricalPosition[0] = TMath::Sqrt(position[0]position[0] + position[1]position[1]);
250	cylindricalPosition[1] = TMath::ATan2(position[1], position[0]);
251	cylindricalPosition[2] = position[2];
252	cylindricalPosition[3] = tofInput.GetTofBin();
253	cylindricalPosition[4] = tofInput.GetADCbin();
254
255	AliTOFcluster *tofCluster = new AliTOFcluster(cylindricalPosition, detectorIndex);
256	InsertCluster(tofCluster);
257
258	} // while loop
259
260	} // loop on DDL files
261
262	AliInfo(Form("Number of found clusters: %i", fNumberOfTofClusters));
263
264	FillRecPoint();
265
266	clustersTree->Fill();
267	ResetRecpoint();
268
269	}
270	//______________________________________________________________________________
271
272	void AliTOFClusterFinder::Digits2RecPoints(Int_t iEvent, AliRawReader *rawReader)
273	{
274	//
275	// Converts RAW data to recpoints for TOF
276	//
277
278	const Int_t kDDL = fTOFGeometry->NDDL()*fTOFGeometry->NSectors();
279
280	fRunLoader->GetEvent(iEvent);
281
282	AliDebug(2,Form(" Event number %2i ", iEvent));
283
284	fTreeR = fTOFLoader->TreeR();
285
286	if (fTreeR == 0x0){
287	fTOFLoader->MakeTree("R");
288	fTreeR = fTOFLoader->TreeR();
289	}
290
291	Int_t bufsize = 32000;
292	fTreeR->Branch("TOF", &fRecPoints, bufsize);
293
294	Int_t ii = 0;
295	Int_t indexDDL = 0;
296
297	Int_t detectorIndex[5];
298	Float_t position[3];
299	Double_t cylindricalPosition[5];
300
301	for (indexDDL = 0; indexDDL < kDDL; indexDDL++) {
302
303	rawReader->Reset();
304	AliTOFRawStream tofInput(rawReader);
305	rawReader->Select(5, indexDDL, indexDDL);
306
307	while(tofInput.Next()) {
308
309	detectorIndex[0] = (Int_t)tofInput.GetSector();
310	detectorIndex[1] = (Int_t)tofInput.GetPlate();
311	detectorIndex[2] = (Int_t)tofInput.GetStrip();
312	detectorIndex[3] = (Int_t)tofInput.GetPadZ();
313	detectorIndex[4] = (Int_t)tofInput.GetPadX();
314
315	for (ii=0; ii<3; ii++) position[ii] = 0.;
316
317	fTOFGeometry->GetPos(detectorIndex, position);
318
319	cylindricalPosition[0] = (Double_t)TMath::Sqrt(position[0]position[0] + position[1]position[1]);
320	cylindricalPosition[1] = (Double_t)TMath::ATan2(position[1], position[0]);
321	cylindricalPosition[2] = (Double_t)position[2];
322	cylindricalPosition[3] = (Double_t)tofInput.GetTofBin();
323	cylindricalPosition[4] = (Double_t)tofInput.GetADCbin();
324
325	AliTOFcluster *tofCluster = new AliTOFcluster(cylindricalPosition, detectorIndex);
326	InsertCluster(tofCluster);
327
328	} // while loop
329
330	} // DDL Loop
331
332	AliInfo(Form("Number of found clusters: %i", fNumberOfTofClusters));
333
334	FillRecPoint();
335
336	fTreeR->Fill();
337	ResetRecpoint();
338
339	fTOFLoader = fRunLoader->GetLoader("TOFLoader");
340	fTOFLoader->WriteRecPoints("OVERWRITE");
341
342	}
343	//______________________________________________________________________________
344
345	void AliTOFClusterFinder::Raw2Digits(Int_t iEvent, AliRawReader *rawReader)
346	{
347	//
348	// Converts RAW data to MC digits for TOF
349	//
350	// (temporary solution)
351	//
352
353	fRunLoader->GetEvent(iEvent);
354
355	fTreeD = fTOFLoader->TreeD();
356	if (fTreeD)
357	{
358	AliInfo("AliTOFClusterFinder: TreeD re-creation");
359	fTreeD = 0x0;
360	fTOFLoader->MakeTree("D");
361	fTreeD = fTOFLoader->TreeD();
362	}
363
364
365	fTreeR = fTOFLoader->TreeD();
366	if (fTreeD == 0x0)
367	{
368	fTOFLoader->MakeTree("D");
369	fTreeD = fTOFLoader->TreeD();
370	}
371
372	TClonesArray dummy("AliTOFdigit",10000), *tofDigits=&dummy;
373	Int_t bufsize = 32000;
374	fTreeD->Branch("TOF", &tofDigits, bufsize);
375
376
377	const Int_t kDDL = fTOFGeometry->NDDL()*fTOFGeometry->NSectors();
378
379	fRunLoader->GetEvent(iEvent);
380
381	AliDebug(2,Form(" Event number %2i ", iEvent));
382
383	Int_t indexDDL = 0;
384
385	Int_t detectorIndex[5];
386	Float_t digit[2];
387
388	for (indexDDL = 0; indexDDL < kDDL; indexDDL++) {
389
390	rawReader->Reset();
391	AliTOFRawStream tofInput(rawReader);
392	rawReader->Select(5, indexDDL, indexDDL);
393
394	while(tofInput.Next()) {
395
396	detectorIndex[0] = tofInput.GetSector();
397	detectorIndex[1] = tofInput.GetPlate();
398	detectorIndex[2] = tofInput.GetStrip();
399	detectorIndex[3] = tofInput.GetPadX();
400	detectorIndex[4] = tofInput.GetPadZ();
401
402	digit[0] = (Float_t)tofInput.GetTofBin();
403	digit[1] = (Float_t)tofInput.GetADCbin();
404
405	Int_t tracknum[3]={-1,-1,-1};
406
407	TClonesArray &aDigits = *tofDigits;
408	Int_t last=tofDigits->GetEntriesFast();
409	new (aDigits[last]) AliTOFdigit(tracknum, detectorIndex, digit);
410
411	} // while loop
412
413	} // DDL Loop
414
415	fTreeD->Fill();
416
417	fTOFLoader = fRunLoader->GetLoader("TOFLoader");
418	fTOFLoader->WriteDigits("OVERWRITE");
419
420	}
421	//______________________________________________________________________________
422
423	Int_t AliTOFClusterFinder::InsertCluster(AliTOFcluster *tofCluster) {
424	//---------------------------------------------------------------------------//
425	// This function adds a TOF cluster to the array of TOF clusters sorted in Z //
426	//---------------------------------------------------------------------------//
427	if (fNumberOfTofClusters==kTofMaxCluster) {
428	AliError("Too many clusters !");
429	return 1;
430	}
431
432	if (fNumberOfTofClusters==0) {
433	fTofClusters[fNumberOfTofClusters++] = tofCluster;
434	return 0;
435	}
436
437	Int_t ii = FindClusterIndex(tofCluster->GetZ());
438	memmove(fTofClusters+ii+1 ,fTofClusters+ii,(fNumberOfTofClusters-ii)sizeof(AliTOFcluster));
439	fTofClusters[ii] = tofCluster;
440	fNumberOfTofClusters++;
441
442	return 0;
443
444	}
445	//_________________________________________________________________________
446
447	Int_t AliTOFClusterFinder::FindClusterIndex(Double_t z) const {
448	//--------------------------------------------------------------------
449	// This function returns the index of the nearest cluster
450	//--------------------------------------------------------------------
451	if (fNumberOfTofClusters==0) return 0;
452	if (z <= fTofClusters[0]->GetZ()) return 0;
453	if (z > fTofClusters[fNumberOfTofClusters-1]->GetZ()) return fNumberOfTofClusters;
454	Int_t b = 0, e = fNumberOfTofClusters-1, m = (b+e)/2;
455	for (; b<e; m=(b+e)/2) {
456	if (z > fTofClusters[m]->GetZ()) b=m+1;
457	else e=m;
458	}
459
460	return m;
461
462	}
463	//_________________________________________________________________________
464
465	void AliTOFClusterFinder::FillRecPoint()
466	{
467	//
468	// Copy the global array of AliTOFcluster, i.e. fTofClusters (sorted
469	// in Z) in the global TClonesArray of AliTOFcluster,
470	// i.e. fRecPoints.
471	//
472
473	Int_t ii, jj;
474
475	Int_t detectorIndex[5];
476	Double_t cylindricalPosition[5];
477	Int_t trackLabels[3];
478	Int_t digitIndex = -1;
479
480	TClonesArray &lRecPoints = *fRecPoints;
481
482	for (ii=0; ii<fNumberOfTofClusters; ii++) {
483
484	digitIndex = fTofClusters[ii]->GetIndex();
485	for(jj=0; jj<5; jj++) detectorIndex[jj] = fTofClusters[ii]->GetDetInd(jj);
486	for(jj=0; jj<3; jj++) trackLabels[jj] = fTofClusters[ii]->GetLabel(jj);
487	cylindricalPosition[0] = fTofClusters[ii]->GetR();
488	cylindricalPosition[1] = fTofClusters[ii]->GetPhi();
489	cylindricalPosition[2] = fTofClusters[ii]->GetZ();
490	cylindricalPosition[3] = fTofClusters[ii]->GetTDC();
491	cylindricalPosition[4] = fTofClusters[ii]->GetADC();
492
493	new(lRecPoints[ii]) AliTOFcluster(cylindricalPosition, trackLabels, detectorIndex, digitIndex);
494
495	//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]));
496
497	} // loop on clusters
498
499	}
500	//______________________________________________________________________________
501
502	void AliTOFClusterFinder::ResetRecpoint()
503	{
504	//
505	// Clear the list of reconstructed points
506	//
507
508	fNumberOfTofClusters = 0;
509	if (fRecPoints) fRecPoints->Clear();
510
511	}
512	//______________________________________________________________________________
513
514	void AliTOFClusterFinder::Load()
515	{
516	//
517	// Load TOF.Digits.root and TOF.RecPoints.root files
518	//
519
520	fTOFLoader->LoadDigits("READ");
521	fTOFLoader->LoadRecPoints("recreate");
522
523	}
524	//______________________________________________________________________________
525
526	void AliTOFClusterFinder::LoadClusters()
527	{
528	//
529	// Load TOF.RecPoints.root file
530	//
531
532	fTOFLoader->LoadRecPoints("recreate");
533
534	}
535	//______________________________________________________________________________
536
537	void AliTOFClusterFinder::UnLoad()
538	{
539	//
540	// Unload TOF.Digits.root and TOF.RecPoints.root files
541	//
542
543	fTOFLoader->UnloadDigits();
544	fTOFLoader->UnloadRecPoints();
545
546	}
547	//______________________________________________________________________________
548
549	void AliTOFClusterFinder::UnLoadClusters()
550	{
551	//
552	// Unload TOF.RecPoints.root file
553	//
554
555	fTOFLoader->UnloadRecPoints();
556
557	}
558	//______________________________________________________________________________