[u/mrichter/AliRoot.git] / EMCAL / AliCaloRawAnalyzerPeakFinder.cxx

// -*- mode: c++ -*-
/**************************************************************************
 * This file is property of and copyright by                              *
 * the Relativistic Heavy Ion Group (RHIG), Yale University, US, 2009     *
 *                                                                        *
 * Primary Author: Per Thomas Hille  <perthomas.hille@yale.edu>           *
 *                                                                        *
 * Contributors are mentioned in the code where appropriate.              *
 * Please report bugs to   perthomas.hille@yale.edu                       *
 *                                                                        *
 * 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.                  *
 **************************************************************************/

// The Peak-Finder algorithm
// The amplitude is extracted  as a
// weighted sum of the samples using the 
// best possible weights.
// The wights is calculated only once and the
// Actual extraction of amplitude and peak position
// Is done with a simple vector multiplication, allowing for
// Extreemely fast computations. 

#include "AliCaloRawAnalyzerPeakFinder.h"
#include "AliCaloBunchInfo.h"
#include "AliCaloFitResults.h"
#include "TMath.h"
#include "AliLog.h"
#include "AliCDBEntry.h"
#include "AliCDBManager.h"
#include "TFile.h"
#include "AliCaloPeakFinderVectors.h"
#include <iostream>

using namespace std;


ClassImp( AliCaloRawAnalyzerPeakFinder )


AliCaloRawAnalyzerPeakFinder::AliCaloRawAnalyzerPeakFinder() :AliCaloRawAnalyzer("Peak-Finder", "PF"),  
							      fPeakFinderVectors(0),
							      fRunOnAlien(false),
							      fIsInitialized(false)
{
  //Comment
  fAlgo= Algo::kPeakFinder;
  InitOCDB(fRunOnAlien);
  fPeakFinderVectors = new AliCaloPeakFinderVectors() ;
  ResetVectors();
  LoadVectorsOCDB();
}


void 
AliCaloRawAnalyzerPeakFinder::InitOCDB(bool alien) const
{
  // Setting the default OCDB pathe depending on wether we work locally or on the GRID.
  if( !AliCDBManager::Instance()->IsDefaultStorageSet ())
    {
      AliCDBManager::Instance()->SetDefaultStorage(  alien == true ? "alien://$ALICE_ROOT/OCDB" : "local://$ALICE_ROOT/OCDB" );
      AliCDBManager::Instance()->SetRun(100);
    }
}


void  
AliCaloRawAnalyzerPeakFinder::ResetVectors()
{
  //As name implies
  for(int i=0; i < PF::MAXSTART; i++)
    {
      for(int j=0; j < PF::SAMPLERANGE; j++ )
	{
	  for(int k=0; k < 100; k++ )
	    {
	      fPFAmpVectors[i][j][k] = 0; 
	      fPFTofVectors[i][j][k] = 0;
	      fPFAmpVectorsCoarse[i][j][k] = 0;
	      fPFTofVectorsCoarse[i][j][k] = 0; 
	    }
	}
    }
}


AliCaloRawAnalyzerPeakFinder::~AliCaloRawAnalyzerPeakFinder()
{
  //comment
}


Double_t  
AliCaloRawAnalyzerPeakFinder::ScanCoarse(const Double_t *const array, const int length ) const
{
  // Fisrt (coarce) estimate of Amplitude using the Peak-Finder.
  // The output of the first iteration is sued to select vectors 
  // for the second iteration.

  Double_t tmpTof = 0;
  Double_t tmpAmp= 0;

  for(int i=0; i < length; i++)
    {
      tmpTof += fPFTofVectorsCoarse[0][length][i]*array[i]; 
      tmpAmp += fPFAmpVectorsCoarse[0][length][i]*array[i]; 
    }
  
  tmpTof = tmpTof / tmpAmp ;
  return tmpTof;
}


AliCaloFitResults 
AliCaloRawAnalyzerPeakFinder::Evaluate( const vector<AliCaloBunchInfo> &bunchvector, const UInt_t altrocfg1,  const UInt_t altrocfg2 )
{
  // Evaluation of amplitude and TOF
  if( fIsInitialized == false )
    {
      cout << __FILE__ << ":" << __LINE__ << "ERROR, peakfinder vectors not loaded" << endl;
      return  AliCaloFitResults(kInvalid, kInvalid);
    }

  // Extracting the amplitude using the Peak-Finder algorithm
  // The amplitude is a weighted sum of the samples using 
  // optimum weights.

  short maxampindex; //index of maximum amplitude
  short maxamp; //Maximum amplitude
  fAmp = 0;
  int index = SelectBunch( bunchvector,  &maxampindex,  &maxamp );
  
  if( index >= 0)
    {
      Float_t ped = ReverseAndSubtractPed( &(bunchvector.at(index))  ,  altrocfg1, altrocfg2, fReversed  );
      Float_t maxf = TMath::MaxElement(   bunchvector.at(index).GetLength(),  fReversed );
      short timebinOffset = maxampindex - (bunchvector.at( index ).GetLength()-1); 
 
      if(  maxf < fAmpCut  ||  ( maxamp - ped) > fOverflowCut  ) // (maxamp - ped) > fOverflowCut = Close to saturation (use low gain then)
	{
	  return  AliCaloFitResults( maxamp, ped, Ret::kCrude, maxf, timebinOffset);
 	}            
      else if ( maxf >= fAmpCut )
	{
	  int first = 0;
	  int last = 0;
	  short maxrev = maxampindex  -  bunchvector.at(index).GetStartBin();	  
	  SelectSubarray( fReversed,  bunchvector.at(index).GetLength(), maxrev, &first, &last, fFitArrayCut);
	  int nsamples =  last - first;

	  if( ( nsamples  )  >= fNsampleCut ) // no if statement needed really; keep for readability
	    {
	      int startbin = bunchvector.at(index).GetStartBin();  
	      int n = last - first;  
	      int pfindex = n - fNsampleCut; 
	      pfindex = pfindex > PF::SAMPLERANGE ? PF::SAMPLERANGE : pfindex;

	      int dt =  maxampindex - startbin -2; 
	      int tmpindex = 0;


	      Float_t tmptof = ScanCoarse( &fReversed[dt] , n );
	      
	      if( tmptof < -1 )
		{
		  tmpindex = 0;
		}
	      else
		if( tmptof  > -1 && tmptof < 100 )
		  {
		    tmpindex = 1;
		  }
		else
		  {
		    tmpindex = 2;
		  }

	      double tof = 0;
	    
	      for(int k=0; k < PF::SAMPLERANGE; k++   )
		{
		  tof +=  fPFTofVectors[0][pfindex][k]*fReversed[ dt  +k + tmpindex -1 ];   
		}
	    
	      for( int i=0; i < PF::SAMPLERANGE; i++ )
		{
		  {
		    fAmp += fPFAmpVectors[0][pfindex][i]*fReversed[ dt  +i  +tmpindex -1 ];
		  }
		}
	      if( TMath::Abs(  (maxf - fAmp  )/maxf )  >   0.1 )
		{
		  fAmp = maxf;
		}
	      
	      tof = timebinOffset - 0.01*tof/fAmp - fL1Phase/TIMEBINWITH; // clock
	      
	      // use local-array time for chi2 estimate
	      Float_t chi2 = CalculateChi2(fAmp, tof-timebinOffset+maxrev, first, last);
	      Int_t ndf = last - first - 1; // nsamples - 2
	      return AliCaloFitResults( maxamp, ped , Ret::kFitPar, fAmp, tof, 
					timebinOffset, chi2, ndf,
					Ret::kDummy, AliCaloFitSubarray(index, maxrev, first, last) );  
	    }
	  else
	    {
	      Float_t chi2 = CalculateChi2(maxf, maxrev, first, last);
	      Int_t ndf = last - first - 1; // nsamples - 2
	      return AliCaloFitResults( maxamp, ped , Ret::kCrude, maxf, timebinOffset,
					timebinOffset, chi2, ndf, Ret::kDummy, AliCaloFitSubarray(index, maxrev, first, last) ); 
	    }
	} // ampcut
    }
  return  AliCaloFitResults(kInvalid, kInvalid);
}


void   
AliCaloRawAnalyzerPeakFinder::CopyVectors( const AliCaloPeakFinderVectors *const pfv )
{
  // As name implies
  if ( pfv != 0)
    {
      for(int i = 0;  i < PF::MAXSTART ; i++)
	{
	  for( int j=0; j < PF::SAMPLERANGE; j++)  
	    {
	      pfv->GetVector( i, j, fPFAmpVectors[i][j] ,  fPFTofVectors[i][j],    
	       		      fPFAmpVectorsCoarse[i][j] , fPFTofVectorsCoarse[i][j]  ); 

	      fPeakFinderVectors->SetVector( i, j, fPFAmpVectors[i][j], fPFTofVectors[i][j],    
					     fPFAmpVectorsCoarse[i][j], fPFTofVectorsCoarse[i][j] );   
	    }
	}
    }
  else
    {
      AliFatal( "pfv = ZERO !!!!!!!");
    } 
}


void   
AliCaloRawAnalyzerPeakFinder::LoadVectorsOCDB()
{
  //Loading of Peak-Finder  vectors from the 
  //Offline Condition Database  (OCDB)
  AliCDBEntry* entry = AliCDBManager::Instance()->Get("EMCAL/Calib/PeakFinder/");
  
  if( entry != 0 )
  {
    //cout << __FILE__ << ":" << __LINE__ << ": Printing metadata !! " << endl;
    //entry->PrintMetaData();
    AliCaloPeakFinderVectors  *pfv = (AliCaloPeakFinderVectors *)entry->GetObject(); 
    if( pfv == 0 )
    {
      cout << __FILE__ << ":" << __LINE__ << "_ ERRROR " << endl;
    }
    CopyVectors( pfv );
    
    if( pfv != 0 )
    {
      fIsInitialized = true;
    }
  }
}


void 
AliCaloRawAnalyzerPeakFinder::LoadVectorsASCII()
{
  //Read in the Peak finder vecors from ASCI files
  fIsInitialized= true;  
  const Int_t buffersize = 256;
  for(int i = 0;  i < PF::MAXSTART ; i++)
  {
    for( int j=0; j < PF::SAMPLERANGE; j++)
    {
      char filenameCoarse[buffersize];
      char filename[buffersize];
      int n = j+fNsampleCut;
      double start = (double)i+0;
      
      snprintf(filename, buffersize,       "%s/EMCAL/vectors-emcal/start%.1fN%dtau0.235fs10dt1.0.txt", getenv("ALICE_ROOT"), start, n);
      snprintf(filenameCoarse, buffersize, "%s/EMCAL/vectors-emcal/start%.1fN%dtau0.235fs10dt3.0.txt", getenv("ALICE_ROOT"), start, n);
      
      FILE *fp  =  fopen(filename, "r");
      FILE *fpc =  fopen(filenameCoarse, "r");
      
      if( fp == 0 )
	    {
	      AliFatal( Form( "could not open file: %s", filename ) );
	    }
      else if(fpc == 0)
	    {
	      AliFatal( Form( "could not open file: %s", filenameCoarse ) );
	    }
      else
	    {
	      for(int m = 0; m < n ; m++ )
        {
          fscanf(fp,  "%lf\t", &fPFAmpVectors[i][j][m] );
          fscanf(fpc, "%lf\t", &fPFAmpVectorsCoarse[i][j][m] );
        }
	      fscanf(fp,   "\n" );
	      fscanf(fpc,  "\n" );
	      for(int m = 0; m < n ; m++ )
        {
          fscanf(fp, "%lf\t",   &fPFTofVectors[i][j][m]  );
          fscanf(fpc, "%lf\t",  &fPFTofVectorsCoarse[i][j][m]  );  
        }
	      
	      fPeakFinderVectors->SetVector( i, j, fPFAmpVectors[i][j], fPFTofVectors[i][j],    
                                      fPFAmpVectorsCoarse[i][j], fPFTofVectorsCoarse[i][j] );   
        
	    }
      
      if(fp) fclose (fp );
      if(fpc)fclose (fpc);
      
    }
  }
}


void   
AliCaloRawAnalyzerPeakFinder::WriteRootFile() const
{
  // Utility function to write Peak-Finder vectors to an root file
  // The output is used to create an OCDB entry.
  fPeakFinderVectors->PrintVectors();
  TFile *f = new TFile("peakfindervectors2.root",  "recreate" );
  fPeakFinderVectors->Write();
  f->Close();
  delete f;
}


void 
AliCaloRawAnalyzerPeakFinder::PrintVectors()
{
  for(int i=0; i < 20; i++)
    {
      for( int j = 0; j < PF::MAXSTART; j ++ )
	{
	  for( int k=0; k < PF::SAMPLERANGE; k++ )
	    {
	      cout << fPFAmpVectors[j][k][i] << "\t" ;
	    }
	}
      cout << endl;
    }
  cout << __FILE__ << ":" << __LINE__ << ":.... DONE !!" << endl;
}
Commit	Line	Data
	1	// -- mode: c++ --
	2	/**************************************************************************
	3	* This file is property of and copyright by *
	4	* the Relativistic Heavy Ion Group (RHIG), Yale University, US, 2009 *
	5	* *
	6	* Primary Author: Per Thomas Hille <perthomas.hille@yale.edu> *
	7	* *
	8	* Contributors are mentioned in the code where appropriate. *
	9	* Please report bugs to perthomas.hille@yale.edu *
	10	* *
	11	* Permission to use, copy, modify and distribute this software and its *
	12	* documentation strictly for non-commercial purposes is hereby granted *
	13	* without fee, provided that the above copyright notice appears in all *
	14	* copies and that both the copyright notice and this permission notice *
	15	* appear in the supporting documentation. The authors make no claims *
	16	* about the suitability of this software for any purpose. It is *
	17	* provided "as is" without express or implied warranty. *
	18	**************************************************************************/
	19
	20	// The Peak-Finder algorithm
	21	// The amplitude is extracted as a
	22	// weighted sum of the samples using the
	23	// best possible weights.
	24	// The wights is calculated only once and the
	25	// Actual extraction of amplitude and peak position
	26	// Is done with a simple vector multiplication, allowing for
	27	// Extreemely fast computations.
	28
	29	#include "AliCaloRawAnalyzerPeakFinder.h"
	30	#include "AliCaloBunchInfo.h"
	31	#include "AliCaloFitResults.h"
	32	#include "TMath.h"
	33	#include "AliLog.h"
	34	#include "AliCDBEntry.h"
	35	#include "AliCDBManager.h"
	36	#include "TFile.h"
	37	#include "AliCaloPeakFinderVectors.h"
	38	#include <iostream>
	39
	40	using namespace std;
	41
	42
	43	ClassImp( AliCaloRawAnalyzerPeakFinder )
	44
	45
	46	AliCaloRawAnalyzerPeakFinder::AliCaloRawAnalyzerPeakFinder() :AliCaloRawAnalyzer("Peak-Finder", "PF"),
	47	fPeakFinderVectors(0),
	48	fRunOnAlien(false),
	49	fIsInitialized(false)
	50	{
	51	//Comment
	52	fAlgo= Algo::kPeakFinder;
	53	InitOCDB(fRunOnAlien);
	54	fPeakFinderVectors = new AliCaloPeakFinderVectors() ;
	55	ResetVectors();
	56	LoadVectorsOCDB();
	57	}
	58
	59
	60	void
	61	AliCaloRawAnalyzerPeakFinder::InitOCDB(bool alien) const
	62	{
	63	// Setting the default OCDB pathe depending on wether we work locally or on the GRID.
	64	if( !AliCDBManager::Instance()->IsDefaultStorageSet ())
	65	{
	66	AliCDBManager::Instance()->SetDefaultStorage( alien == true ? "alien://$ALICE_ROOT/OCDB" : "local://$ALICE_ROOT/OCDB" );
	67	AliCDBManager::Instance()->SetRun(100);
	68	}
	69	}
	70
	71
	72	void
	73	AliCaloRawAnalyzerPeakFinder::ResetVectors()
	74	{
	75	//As name implies
	76	for(int i=0; i < PF::MAXSTART; i++)
	77	{
	78	for(int j=0; j < PF::SAMPLERANGE; j++ )
	79	{
	80	for(int k=0; k < 100; k++ )
	81	{
	82	fPFAmpVectors[i][j][k] = 0;
	83	fPFTofVectors[i][j][k] = 0;
	84	fPFAmpVectorsCoarse[i][j][k] = 0;
	85	fPFTofVectorsCoarse[i][j][k] = 0;
	86	}
	87	}
	88	}
	89	}
	90
	91
	92	AliCaloRawAnalyzerPeakFinder::~AliCaloRawAnalyzerPeakFinder()
	93	{
	94	//comment
	95	}
	96
	97
	98	Double_t
	99	AliCaloRawAnalyzerPeakFinder::ScanCoarse(const Double_t *const array, const int length ) const
	100	{
	101	// Fisrt (coarce) estimate of Amplitude using the Peak-Finder.
	102	// The output of the first iteration is sued to select vectors
	103	// for the second iteration.
	104
	105	Double_t tmpTof = 0;
	106	Double_t tmpAmp= 0;
	107
	108	for(int i=0; i < length; i++)
	109	{
	110	tmpTof += fPFTofVectorsCoarse[0][length][i]*array[i];
	111	tmpAmp += fPFAmpVectorsCoarse[0][length][i]*array[i];
	112	}
	113
	114	tmpTof = tmpTof / tmpAmp ;
	115	return tmpTof;
	116	}
	117
	118
	119	AliCaloFitResults
	120	AliCaloRawAnalyzerPeakFinder::Evaluate( const vector<AliCaloBunchInfo> &bunchvector, const UInt_t altrocfg1, const UInt_t altrocfg2 )
	121	{
	122	// Evaluation of amplitude and TOF
	123	if( fIsInitialized == false )
	124	{
	125	cout << __FILE__ << ":" << __LINE__ << "ERROR, peakfinder vectors not loaded" << endl;
	126	return AliCaloFitResults(kInvalid, kInvalid);
	127	}
	128
	129	// Extracting the amplitude using the Peak-Finder algorithm
	130	// The amplitude is a weighted sum of the samples using
	131	// optimum weights.
	132
	133	short maxampindex; //index of maximum amplitude
	134	short maxamp; //Maximum amplitude
	135	fAmp = 0;
	136	int index = SelectBunch( bunchvector, &maxampindex, &maxamp );
	137
	138	if( index >= 0)
	139	{
	140	Float_t ped = ReverseAndSubtractPed( &(bunchvector.at(index)) , altrocfg1, altrocfg2, fReversed );
	141	Float_t maxf = TMath::MaxElement( bunchvector.at(index).GetLength(), fReversed );
	142	short timebinOffset = maxampindex - (bunchvector.at( index ).GetLength()-1);
	143
	144	if( maxf < fAmpCut \|\| ( maxamp - ped) > fOverflowCut ) // (maxamp - ped) > fOverflowCut = Close to saturation (use low gain then)
	145	{
	146	return AliCaloFitResults( maxamp, ped, Ret::kCrude, maxf, timebinOffset);
	147	}
	148	else if ( maxf >= fAmpCut )
	149	{
	150	int first = 0;
	151	int last = 0;
	152	short maxrev = maxampindex - bunchvector.at(index).GetStartBin();
	153	SelectSubarray( fReversed, bunchvector.at(index).GetLength(), maxrev, &first, &last, fFitArrayCut);
	154	int nsamples = last - first;
	155
	156	if( ( nsamples ) >= fNsampleCut ) // no if statement needed really; keep for readability
	157	{
	158	int startbin = bunchvector.at(index).GetStartBin();
	159	int n = last - first;
	160	int pfindex = n - fNsampleCut;
	161	pfindex = pfindex > PF::SAMPLERANGE ? PF::SAMPLERANGE : pfindex;
	162
	163	int dt = maxampindex - startbin -2;
	164	int tmpindex = 0;
	165
	166
	167	Float_t tmptof = ScanCoarse( &fReversed[dt] , n );
	168
	169	if( tmptof < -1 )
	170	{
	171	tmpindex = 0;
	172	}
	173	else
	174	if( tmptof > -1 && tmptof < 100 )
	175	{
	176	tmpindex = 1;
	177	}
	178	else
	179	{
	180	tmpindex = 2;
	181	}
	182
	183	double tof = 0;
	184
	185	for(int k=0; k < PF::SAMPLERANGE; k++ )
	186	{
	187	tof += fPFTofVectors[0][pfindex][k]*fReversed[ dt +k + tmpindex -1 ];
	188	}
	189
	190	for( int i=0; i < PF::SAMPLERANGE; i++ )
	191	{
	192	{
	193	fAmp += fPFAmpVectors[0][pfindex][i]*fReversed[ dt +i +tmpindex -1 ];
	194	}
	195	}
	196	if( TMath::Abs( (maxf - fAmp )/maxf ) > 0.1 )
	197	{
	198	fAmp = maxf;
	199	}
	200
	201	tof = timebinOffset - 0.01*tof/fAmp - fL1Phase/TIMEBINWITH; // clock
	202
	203	// use local-array time for chi2 estimate
	204	Float_t chi2 = CalculateChi2(fAmp, tof-timebinOffset+maxrev, first, last);
	205	Int_t ndf = last - first - 1; // nsamples - 2
	206	return AliCaloFitResults( maxamp, ped , Ret::kFitPar, fAmp, tof,
	207	timebinOffset, chi2, ndf,
	208	Ret::kDummy, AliCaloFitSubarray(index, maxrev, first, last) );
	209	}
	210	else
	211	{
	212	Float_t chi2 = CalculateChi2(maxf, maxrev, first, last);
	213	Int_t ndf = last - first - 1; // nsamples - 2
	214	return AliCaloFitResults( maxamp, ped , Ret::kCrude, maxf, timebinOffset,
	215	timebinOffset, chi2, ndf, Ret::kDummy, AliCaloFitSubarray(index, maxrev, first, last) );
	216	}
	217	} // ampcut
	218	}
	219	return AliCaloFitResults(kInvalid, kInvalid);
	220	}
	221
	222
	223	void
	224	AliCaloRawAnalyzerPeakFinder::CopyVectors( const AliCaloPeakFinderVectors *const pfv )
	225	{
	226	// As name implies
	227	if ( pfv != 0)
	228	{
	229	for(int i = 0; i < PF::MAXSTART ; i++)
	230	{
	231	for( int j=0; j < PF::SAMPLERANGE; j++)
	232	{
	233	pfv->GetVector( i, j, fPFAmpVectors[i][j] , fPFTofVectors[i][j],
	234	fPFAmpVectorsCoarse[i][j] , fPFTofVectorsCoarse[i][j] );
	235
	236	fPeakFinderVectors->SetVector( i, j, fPFAmpVectors[i][j], fPFTofVectors[i][j],
	237	fPFAmpVectorsCoarse[i][j], fPFTofVectorsCoarse[i][j] );
	238	}
	239	}
	240	}
	241	else
	242	{
	243	AliFatal( "pfv = ZERO !!!!!!!");
	244	}
	245	}
	246
	247
	248	void
	249	AliCaloRawAnalyzerPeakFinder::LoadVectorsOCDB()
	250	{
	251	//Loading of Peak-Finder vectors from the
	252	//Offline Condition Database (OCDB)
	253	AliCDBEntry* entry = AliCDBManager::Instance()->Get("EMCAL/Calib/PeakFinder/");
	254
	255	if( entry != 0 )
	256	{
	257	//cout << __FILE__ << ":" << __LINE__ << ": Printing metadata !! " << endl;
	258	//entry->PrintMetaData();
	259	AliCaloPeakFinderVectors pfv = (AliCaloPeakFinderVectors )entry->GetObject();
	260	if( pfv == 0 )
	261	{
	262	cout << __FILE__ << ":" << __LINE__ << "_ ERRROR " << endl;
	263	}
	264	CopyVectors( pfv );
	265
	266	if( pfv != 0 )
	267	{
	268	fIsInitialized = true;
	269	}
	270	}
	271	}
	272
	273
	274	void
	275	AliCaloRawAnalyzerPeakFinder::LoadVectorsASCII()
	276	{
	277	//Read in the Peak finder vecors from ASCI files
	278	fIsInitialized= true;
	279	const Int_t buffersize = 256;
	280	for(int i = 0; i < PF::MAXSTART ; i++)
	281	{
	282	for( int j=0; j < PF::SAMPLERANGE; j++)
	283	{
	284	char filenameCoarse[buffersize];
	285	char filename[buffersize];
	286	int n = j+fNsampleCut;
	287	double start = (double)i+0;
	288
	289	snprintf(filename, buffersize, "%s/EMCAL/vectors-emcal/start%.1fN%dtau0.235fs10dt1.0.txt", getenv("ALICE_ROOT"), start, n);
	290	snprintf(filenameCoarse, buffersize, "%s/EMCAL/vectors-emcal/start%.1fN%dtau0.235fs10dt3.0.txt", getenv("ALICE_ROOT"), start, n);
	291
	292	FILE *fp = fopen(filename, "r");
	293	FILE *fpc = fopen(filenameCoarse, "r");
	294
	295	if( fp == 0 )
	296	{
	297	AliFatal( Form( "could not open file: %s", filename ) );
	298	}
	299	else if(fpc == 0)
	300	{
	301	AliFatal( Form( "could not open file: %s", filenameCoarse ) );
	302	}
	303	else
	304	{
	305	for(int m = 0; m < n ; m++ )
	306	{
	307	fscanf(fp, "%lf\t", &fPFAmpVectors[i][j][m] );
	308	fscanf(fpc, "%lf\t", &fPFAmpVectorsCoarse[i][j][m] );
	309	}
	310	fscanf(fp, "\n" );
	311	fscanf(fpc, "\n" );
	312	for(int m = 0; m < n ; m++ )
	313	{
	314	fscanf(fp, "%lf\t", &fPFTofVectors[i][j][m] );
	315	fscanf(fpc, "%lf\t", &fPFTofVectorsCoarse[i][j][m] );
	316	}
	317
	318	fPeakFinderVectors->SetVector( i, j, fPFAmpVectors[i][j], fPFTofVectors[i][j],
	319	fPFAmpVectorsCoarse[i][j], fPFTofVectorsCoarse[i][j] );
	320
	321	}
	322
	323	if(fp) fclose (fp );
	324	if(fpc)fclose (fpc);
	325
	326	}
	327	}
	328	}
	329
	330
	331	void
	332	AliCaloRawAnalyzerPeakFinder::WriteRootFile() const
	333	{
	334	// Utility function to write Peak-Finder vectors to an root file
	335	// The output is used to create an OCDB entry.
	336	fPeakFinderVectors->PrintVectors();
	337	TFile *f = new TFile("peakfindervectors2.root", "recreate" );
	338	fPeakFinderVectors->Write();
	339	f->Close();
	340	delete f;
	341	}
	342
	343
	344	void
	345	AliCaloRawAnalyzerPeakFinder::PrintVectors()
	346	{
	347	for(int i=0; i < 20; i++)
	348	{
	349	for( int j = 0; j < PF::MAXSTART; j ++ )
	350	{
	351	for( int k=0; k < PF::SAMPLERANGE; k++ )
	352	{
	353	cout << fPFAmpVectors[j][k][i] << "\t" ;
	354	}
	355	}
	356	cout << endl;
	357	}
	358	cout << __FILE__ << ":" << __LINE__ << ":.... DONE !!" << endl;
	359	}