[u/mrichter/AliRoot.git] / EMCAL / AliEMCALCalibAbs.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.                  *
 **************************************************************************/

/* $Id: $ */

// Objects of this class contain basis for absolute calibrations
//

#include <fstream>
#include <TString.h>
#include <TFile.h>
#include <TTree.h>

#include "AliEMCALCalibAbs.h"

using namespace std;

ClassImp(AliEMCALCalibAbs)

//____________________________________________________________________________
AliEMCALCalibAbs::AliEMCALCalibAbs(const int nSM) : 
  fNSuperModule(nSM),
  fSuperModuleData()
{
  //Default constructor.
  for (int i=0; i<fNSuperModule; i++) {
    fSuperModuleData.Add(new AliEMCALSuperModuleCalibAbs(i));
  }
  fSuperModuleData.Compress(); // compress the TObjArray
  fSuperModuleData.SetOwner(kTRUE); 
}

//____________________________________________________________________________
void AliEMCALCalibAbs::ReadTextCalibAbsInfo(Int_t nSM, const TString &txtFileName,
					    Bool_t swapSides)
{
  //Read data from txt file. ; coordinates given on SuperModule basis

  std::ifstream inputFile(txtFileName.Data());
  if (!inputFile) {
    printf("AliEMCALCalibAbs::ReadCalibAbsInfo - Cannot open the APD info file %s\n", txtFileName.Data());
    return;
  }

  fNSuperModule = nSM;

  Int_t iSM = 0; // SuperModule index
  Int_t iCol = 0;
  Int_t iRow = 0;

  // list of values to be read
  // first: overall values for the whole SuperModule
  Int_t iCalibMethod = 0; 
  Int_t iCalibPass = 0; 
  Float_t absoluteCalib = 0; 
  // third: info for each tower
  Float_t relativeCalib = 0; // (ADC>GeV relative gain/conversion), value around 1
  // end - all values

  Int_t nAPDPerSM = AliEMCALGeoParams::fgkEMCALCols * AliEMCALGeoParams::fgkEMCALRows;

  for (Int_t i = 0; i < fNSuperModule; i++) {
    AliEMCALSuperModuleCalibAbs * t = (AliEMCALSuperModuleCalibAbs*) fSuperModuleData[i];
    if (!inputFile) {
      printf("AliEMCALCalibAbs::ReadCalibAbsInfo - Error while reading input file; likely EOF..\n");
      return;
    }
    inputFile >> iSM;
    t->SetSuperModuleNum(iSM);

    // first: overall values for the whole SuperModule
    inputFile >> iCalibMethod >> iCalibPass >> absoluteCalib;
    t->SetCalibMethod(iCalibMethod);
    t->SetCalibPass(iCalibPass);
    t->SetAbsoluteCalib(absoluteCalib);

    // third: info for each tower
    for (Int_t j=0; j<nAPDPerSM; j++) {
      inputFile >> iCol >> iRow >> relativeCalib;

      // check that input values are not out bounds
      if (iCol<0 || iCol>(AliEMCALGeoParams::fgkEMCALCols-1) ||
	  iRow<0 || iRow>(AliEMCALGeoParams::fgkEMCALRows-1) ) {
	printf("AliEMCALCalibAbs::ReadCalibAbsInfo - Error while reading input file; j %d iCol %d iRow %d\n", j, iCol, iRow);
      return;
      }

      // assume that this info is already swapped and done for this basis?
      if (swapSides) {
	// C side, oriented differently than A side: swap is requested
	iCol = AliEMCALGeoParams::fgkEMCALCols-1 - iCol;
	iRow = AliEMCALGeoParams::fgkEMCALRows-1 - iRow;
      }

      t->SetRelativeCalib(iCol, iRow, relativeCalib);
    }

  } // i, SuperModule

  inputFile.close();

  return;
}

//____________________________________________________________________________
void AliEMCALCalibAbs::WriteTextCalibAbsInfo(const TString &txtFileName,
					     Bool_t swapSides)
{
  // write data to txt file. ; coordinates given on SuperModule basis

  std::ofstream outputFile(txtFileName.Data());
  if (!outputFile) {
    printf("AliEMCALCalibAbs::WriteCalibAbsInfo - Cannot open the APD output file %s\n", txtFileName.Data());
    return;
  }

  Int_t iCol = 0;
  Int_t iRow = 0;

  Int_t nAPDPerSM = AliEMCALGeoParams::fgkEMCALCols * AliEMCALGeoParams::fgkEMCALRows;
  Float_t relativeCalib = 0;
  for (Int_t i = 0; i < fNSuperModule; i++) {
    AliEMCALSuperModuleCalibAbs * t = (AliEMCALSuperModuleCalibAbs*) fSuperModuleData[i];

    // first: overall values for the whole SuperModule
    outputFile << t->GetSuperModuleNum() << endl;
    outputFile << t->GetCalibMethod() << " " 
	       << t->GetCalibPass() << " " 
	       << t->GetAbsoluteCalib() << endl;

    // third: info for each tower
    for (Int_t j=0; j<nAPDPerSM; j++) {
      iCol = j / AliEMCALGeoParams::fgkEMCALRows;
      iRow = j % AliEMCALGeoParams::fgkEMCALRows;

      relativeCalib = t->GetRelativeCalib(iCol, iRow);

      if (swapSides) {
	// C side, oriented differently than A side: swap is requested
	iCol = AliEMCALGeoParams::fgkEMCALCols-1 - iCol;
	iRow = AliEMCALGeoParams::fgkEMCALRows-1 - iRow;
      }

      outputFile << iCol << " " << iRow 
		 << " " << relativeCalib << endl;
    }

  } // i, SuperModule

  outputFile.close();

  return;
}

//____________________________________________________________________________
void AliEMCALCalibAbs::ReadRootCalibAbsInfo(const TString &rootFileName,
					    Bool_t swapSides)
{
  //Read data from root file. ; coordinates given on SuperModule basis
  TFile inputFile(rootFileName, "read");  

  TTree *tree = (TTree*) inputFile.Get("tree");

  ReadTreeCalibAbsInfo(tree, swapSides);

  inputFile.Close();

  return;
}

//____________________________________________________________________________
void AliEMCALCalibAbs::ReadTreeCalibAbsInfo(TTree *tree,
					    Bool_t swapSides)
{
  // how many SuperModule's worth of info do we have?
  Int_t nAPDPerSM = AliEMCALGeoParams::fgkEMCALCols * AliEMCALGeoParams::fgkEMCALRows;
  fNSuperModule = tree->GetEntries();

  Int_t iSM = 0; // SuperModule index
  // list of values to be read
  // first: overall values for the whole SuperModule
  Int_t iCalibMethod = 0; 
  Int_t iCalibPass = 0; 
  Float_t absoluteCalib = 0; 
  // third: info for each tower
  Float_t relativeCalib[AliEMCALGeoParams::fgkEMCALCols][AliEMCALGeoParams::fgkEMCALRows]; 
  // end - all values

  // just to make the initializations of the arrays are done correctly, let's use memset
  memset(relativeCalib, 0, sizeof(relativeCalib)); 

  // declare the branches
  tree->SetBranchAddress("iSM", &iSM);
  tree->SetBranchAddress("CalibMethod", &iCalibMethod);
  tree->SetBranchAddress("CalibPass", &iCalibPass);
  tree->SetBranchAddress("AbsoluteCalib", &absoluteCalib);
  //
  tree->SetBranchAddress("RelativeCalib", relativeCalib);

  // indices for looping over the towers
  Int_t iCol = 0;
  Int_t iRow = 0;

  for (int ient=0; ient<tree->GetEntries(); ient++) {
    tree->GetEntry(ient);

    // assume the index SuperModules come in order: i=iSM
    AliEMCALSuperModuleCalibAbs * t = (AliEMCALSuperModuleCalibAbs*) fSuperModuleData[iSM];

    t->SetSuperModuleNum(iSM);
    // first, overall values
    t->SetCalibMethod(iCalibMethod);
    t->SetCalibPass(iCalibPass);
    t->SetAbsoluteCalib(absoluteCalib);

    // third: info for each tower
    for (Int_t j=0; j<nAPDPerSM; j++) {
      iCol = j / AliEMCALGeoParams::fgkEMCALRows;
      iRow = j % AliEMCALGeoParams::fgkEMCALRows;

      // help variables: possibly modified or swapped indices
      int iColMod = iCol;
      int iRowMod = iRow;
      // assume that this info is already swapped and done for this basis?
      if (swapSides) {
	// C side, oriented differently than A side: swap is requested
	iColMod = AliEMCALGeoParams::fgkEMCALCols-1 - iCol;
	iRowMod = AliEMCALGeoParams::fgkEMCALRows-1 - iRow;
      }

      t->SetRelativeCalib(iColMod, iRowMod, relativeCalib[iCol][iRow]);
    }

  } // loop over entries

  return;
}

//____________________________________________________________________________
void AliEMCALCalibAbs::WriteRootCalibAbsInfo(const TString &rootFileName,
					     Bool_t swapSides)
{
  // write data to root file. ; coordinates given on SuperModule basis
  TFile destFile(rootFileName, "recreate");  
  if (destFile.IsZombie()) {
    return;
  }  
  destFile.cd();

  TTree *tree = new TTree("tree","");

  // variables for filling the TTree
  Int_t iSM = 0; // SuperModule index
  // list of values to be written
  // first: overall values for the whole SuperModule
  Int_t iCalibMethod = 0; 
  Int_t iCalibPass = 0; 
  Float_t absoluteCalib = 0; 
  // third: info for each tower
  Float_t relativeCalib[AliEMCALGeoParams::fgkEMCALCols][AliEMCALGeoParams::fgkEMCALRows]; 
  // end - all values

  // just to make the initializations of the arrays are done correctly, let's use memset
  memset(relativeCalib, 0, sizeof(relativeCalib)); 

  Int_t nAPDPerSM = AliEMCALGeoParams::fgkEMCALCols * AliEMCALGeoParams::fgkEMCALRows;
  // for looping over towers
  Int_t iCol = 0;
  Int_t iRow = 0;

  // declare the branches
  // first
  tree->Branch("iSM", &iSM, "iSM/I");
  tree->Branch("CalibMethod", &iCalibMethod, "CalibMethod/I");
  tree->Branch("CalibPass", &iCalibPass, "CalibPass/I");
  tree->Branch("AbsoluteCalib", &absoluteCalib, "AbsoluteCalib/F");
  // third: info for each tower; see if a 2D array works OK or if we'll have to use 1D arrays instead 
  tree->Branch( "RelativeCalib", &relativeCalib, Form("RelativeCalib[%d][%d]/F", AliEMCALGeoParams::fgkEMCALCols, AliEMCALGeoParams::fgkEMCALRows) );

  for (iSM = 0; iSM < fNSuperModule; iSM++) {
    AliEMCALSuperModuleCalibAbs * t = (AliEMCALSuperModuleCalibAbs*) fSuperModuleData[iSM];

    iSM = t->GetSuperModuleNum();
    // first, overall values
    iCalibMethod = t->GetCalibMethod();
    iCalibPass = t->GetCalibPass();
    absoluteCalib = t->GetAbsoluteCalib();

    // third: info for each tower
    for (Int_t j=0; j<nAPDPerSM; j++) {
      iCol = j / AliEMCALGeoParams::fgkEMCALRows;
      iRow = j % AliEMCALGeoParams::fgkEMCALRows;

      // help variables: possibly modified or swapped indices
      int iColMod = iCol;
      int iRowMod = iRow;
      // assume that this info is already swapped and done for this basis?
      if (swapSides) {
	// C side, oriented differently than A side: swap is requested
	iColMod = AliEMCALGeoParams::fgkEMCALCols-1 - iCol;
	iRowMod = AliEMCALGeoParams::fgkEMCALRows-1 - iRow;
      }

      relativeCalib[iColMod][iRowMod] = t->GetRelativeCalib(iCol, iRow);
    }

    tree->Fill();
  } // i, SuperModule

  tree->Write();
  destFile.Close();

  return;
}

//____________________________________________________________________________
AliEMCALCalibAbs::~AliEMCALCalibAbs()
{
  fSuperModuleData.Delete();
}

//____________________________________________________________________________
AliEMCALSuperModuleCalibAbs * AliEMCALCalibAbs::GetSuperModuleCalibAbsNum(Int_t supModIndex)const
{
  for (int i=0; i<fNSuperModule; i++) {
    AliEMCALSuperModuleCalibAbs * t = (AliEMCALSuperModuleCalibAbs*) fSuperModuleData[i];
    if (t->GetSuperModuleNum() == supModIndex) {
      return t;
    }
  }

  // if we arrived here, then nothing was found.. just return a NULL pointer 
  return NULL;
}
Commit	Line	Data
d81e6423	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	/* $Id: $ */
	17
	18	// Objects of this class contain basis for absolute calibrations
	19	//
	20
	21	#include <fstream>
	22	#include <TString.h>
61917ab3	23	#include <TFile.h>
61917ab3	24	#include <TTree.h>
d81e6423	25
	26	#include "AliEMCALCalibAbs.h"
	27
	28	using namespace std;
	29
	30	ClassImp(AliEMCALCalibAbs)
	31
	32	//____________________________________________________________________________
2f17a269	33	AliEMCALCalibAbs::AliEMCALCalibAbs(const int nSM) :
	34	fNSuperModule(nSM),
	35	fSuperModuleData()
d81e6423	36	{
d81e6423	37	//Default constructor.
2f17a269	38	for (int i=0; i<fNSuperModule; i++) {
	39	fSuperModuleData.Add(new AliEMCALSuperModuleCalibAbs(i));
	40	}
	41	fSuperModuleData.Compress(); // compress the TObjArray
61e4e2e3	42	fSuperModuleData.SetOwner(kTRUE);
d81e6423	43	}
	44
	45	//____________________________________________________________________________
61917ab3	46	void AliEMCALCalibAbs::ReadTextCalibAbsInfo(Int_t nSM, const TString &txtFileName,
61917ab3	47	Bool_t swapSides)
d81e6423	48	{
	49	//Read data from txt file. ; coordinates given on SuperModule basis
	50
	51	std::ifstream inputFile(txtFileName.Data());
	52	if (!inputFile) {
	53	printf("AliEMCALCalibAbs::ReadCalibAbsInfo - Cannot open the APD info file %s\n", txtFileName.Data());
	54	return;
	55	}
	56
	57	fNSuperModule = nSM;
d81e6423	58
	59	Int_t iSM = 0; // SuperModule index
	60	Int_t iCol = 0;
	61	Int_t iRow = 0;
d81e6423	62
	63	// list of values to be read
	64	// first: overall values for the whole SuperModule
18831b6c	65	Int_t iCalibMethod = 0;
	66	Int_t iCalibPass = 0;
	67	Float_t absoluteCalib = 0;
d81e6423	68	// third: info for each tower
18831b6c	69	Float_t relativeCalib = 0; // (ADC>GeV relative gain/conversion), value around 1
d81e6423	70	// end - all values
	71
	72	Int_t nAPDPerSM = AliEMCALGeoParams::fgkEMCALCols * AliEMCALGeoParams::fgkEMCALRows;
	73
	74	for (Int_t i = 0; i < fNSuperModule; i++) {
2f17a269	75	AliEMCALSuperModuleCalibAbs * t = (AliEMCALSuperModuleCalibAbs*) fSuperModuleData[i];
d81e6423	76	if (!inputFile) {
b48d1356	77	printf("AliEMCALCalibAbs::ReadCalibAbsInfo - Error while reading input file; likely EOF..\n");
d81e6423	78	return;
	79	}
	80	inputFile >> iSM;
2f17a269	81	t->SetSuperModuleNum(iSM);
d81e6423	82
d81e6423	83	// first: overall values for the whole SuperModule
ab962f7b	84	inputFile >> iCalibMethod >> iCalibPass >> absoluteCalib;
	85	t->SetCalibMethod(iCalibMethod);
	86	t->SetCalibPass(iCalibPass);
	87	t->SetAbsoluteCalib(absoluteCalib);
d81e6423	88
	89	// third: info for each tower
	90	for (Int_t j=0; j<nAPDPerSM; j++) {
b48d1356	91	inputFile >> iCol >> iRow >> relativeCalib;
	92
	93	// check that input values are not out bounds
	94	if (iCol<0 \|\| iCol>(AliEMCALGeoParams::fgkEMCALCols-1) \|\|
	95	iRow<0 \|\| iRow>(AliEMCALGeoParams::fgkEMCALRows-1) ) {
	96	printf("AliEMCALCalibAbs::ReadCalibAbsInfo - Error while reading input file; j %d iCol %d iRow %d\n", j, iCol, iRow);
	97	return;
	98	}
d81e6423	99
	100	// assume that this info is already swapped and done for this basis?
	101	if (swapSides) {
	102	// C side, oriented differently than A side: swap is requested
	103	iCol = AliEMCALGeoParams::fgkEMCALCols-1 - iCol;
	104	iRow = AliEMCALGeoParams::fgkEMCALRows-1 - iRow;
	105	}
	106
ab962f7b	107	t->SetRelativeCalib(iCol, iRow, relativeCalib);
d81e6423	108	}
	109
	110	} // i, SuperModule
	111
	112	inputFile.close();
	113
	114	return;
	115	}
	116
	117	//____________________________________________________________________________
61917ab3	118	void AliEMCALCalibAbs::WriteTextCalibAbsInfo(const TString &txtFileName,
61917ab3	119	Bool_t swapSides)
d81e6423	120	{
	121	// write data to txt file. ; coordinates given on SuperModule basis
	122
	123	std::ofstream outputFile(txtFileName.Data());
	124	if (!outputFile) {
	125	printf("AliEMCALCalibAbs::WriteCalibAbsInfo - Cannot open the APD output file %s\n", txtFileName.Data());
	126	return;
	127	}
	128
	129	Int_t iCol = 0;
	130	Int_t iRow = 0;
	131
	132	Int_t nAPDPerSM = AliEMCALGeoParams::fgkEMCALCols * AliEMCALGeoParams::fgkEMCALRows;
ab962f7b	133	Float_t relativeCalib = 0;
d81e6423	134	for (Int_t i = 0; i < fNSuperModule; i++) {
2f17a269	135	AliEMCALSuperModuleCalibAbs * t = (AliEMCALSuperModuleCalibAbs*) fSuperModuleData[i];
2f17a269	136
d81e6423	137	// first: overall values for the whole SuperModule
2f17a269	138	outputFile << t->GetSuperModuleNum() << endl;
	139	outputFile << t->GetCalibMethod() << " "
	140	<< t->GetCalibPass() << " "
82d90a2f	141	<< t->GetAbsoluteCalib() << endl;
d81e6423	142
61917ab3	143	// third: info for each tower
d81e6423	144	for (Int_t j=0; j<nAPDPerSM; j++) {
	145	iCol = j / AliEMCALGeoParams::fgkEMCALRows;
	146	iRow = j % AliEMCALGeoParams::fgkEMCALRows;
	147
ab962f7b	148	relativeCalib = t->GetRelativeCalib(iCol, iRow);
d81e6423	149
	150	if (swapSides) {
	151	// C side, oriented differently than A side: swap is requested
	152	iCol = AliEMCALGeoParams::fgkEMCALCols-1 - iCol;
	153	iRow = AliEMCALGeoParams::fgkEMCALRows-1 - iRow;
	154	}
	155
	156	outputFile << iCol << " " << iRow
ab962f7b	157	<< " " << relativeCalib << endl;
d81e6423	158	}
	159
	160	} // i, SuperModule
	161
	162	outputFile.close();
	163
	164	return;
	165	}
	166
61917ab3	167	//____________________________________________________________________________
	168	void AliEMCALCalibAbs::ReadRootCalibAbsInfo(const TString &rootFileName,
	169	Bool_t swapSides)
	170	{
	171	//Read data from root file. ; coordinates given on SuperModule basis
	172	TFile inputFile(rootFileName, "read");
	173
	174	TTree tree = (TTree) inputFile.Get("tree");
	175
	176	ReadTreeCalibAbsInfo(tree, swapSides);
	177
	178	inputFile.Close();
	179
	180	return;
	181	}
	182
	183	//____________________________________________________________________________
	184	void AliEMCALCalibAbs::ReadTreeCalibAbsInfo(TTree *tree,
	185	Bool_t swapSides)
	186	{
82d90a2f	187	// how many SuperModule's worth of info do we have?
61917ab3	188	Int_t nAPDPerSM = AliEMCALGeoParams::fgkEMCALCols * AliEMCALGeoParams::fgkEMCALRows;
82d90a2f	189	fNSuperModule = tree->GetEntries();
61917ab3	190
61917ab3	191	Int_t iSM = 0; // SuperModule index
	192	// list of values to be read
	193	// first: overall values for the whole SuperModule
18831b6c	194	Int_t iCalibMethod = 0;
ab962f7b	195	Int_t iCalibPass = 0;
ab962f7b	196	Float_t absoluteCalib = 0;
61917ab3	197	// third: info for each tower
ab962f7b	198	Float_t relativeCalib[AliEMCALGeoParams::fgkEMCALCols][AliEMCALGeoParams::fgkEMCALRows];
61917ab3	199	// end - all values
	200
	201	// just to make the initializations of the arrays are done correctly, let's use memset
ab962f7b	202	memset(relativeCalib, 0, sizeof(relativeCalib));
61917ab3	203
	204	// declare the branches
	205	tree->SetBranchAddress("iSM", &iSM);
ab962f7b	206	tree->SetBranchAddress("CalibMethod", &iCalibMethod);
	207	tree->SetBranchAddress("CalibPass", &iCalibPass);
	208	tree->SetBranchAddress("AbsoluteCalib", &absoluteCalib);
61917ab3	209	//
ab962f7b	210	tree->SetBranchAddress("RelativeCalib", relativeCalib);
61917ab3	211
	212	// indices for looping over the towers
	213	Int_t iCol = 0;
	214	Int_t iRow = 0;
	215
	216	for (int ient=0; ient<tree->GetEntries(); ient++) {
	217	tree->GetEntry(ient);
	218
	219	// assume the index SuperModules come in order: i=iSM
2f17a269	220	AliEMCALSuperModuleCalibAbs * t = (AliEMCALSuperModuleCalibAbs*) fSuperModuleData[iSM];
	221
	222	t->SetSuperModuleNum(iSM);
61917ab3	223	// first, overall values
ab962f7b	224	t->SetCalibMethod(iCalibMethod);
	225	t->SetCalibPass(iCalibPass);
	226	t->SetAbsoluteCalib(absoluteCalib);
61917ab3	227
	228	// third: info for each tower
	229	for (Int_t j=0; j<nAPDPerSM; j++) {
	230	iCol = j / AliEMCALGeoParams::fgkEMCALRows;
	231	iRow = j % AliEMCALGeoParams::fgkEMCALRows;
	232
	233	// help variables: possibly modified or swapped indices
	234	int iColMod = iCol;
	235	int iRowMod = iRow;
	236	// assume that this info is already swapped and done for this basis?
	237	if (swapSides) {
	238	// C side, oriented differently than A side: swap is requested
	239	iColMod = AliEMCALGeoParams::fgkEMCALCols-1 - iCol;
	240	iRowMod = AliEMCALGeoParams::fgkEMCALRows-1 - iRow;
	241	}
	242
ab962f7b	243	t->SetRelativeCalib(iColMod, iRowMod, relativeCalib[iCol][iRow]);
61917ab3	244	}
	245
	246	} // loop over entries
	247
	248	return;
	249	}
	250
	251	//____________________________________________________________________________
	252	void AliEMCALCalibAbs::WriteRootCalibAbsInfo(const TString &rootFileName,
	253	Bool_t swapSides)
	254	{
	255	// write data to root file. ; coordinates given on SuperModule basis
	256	TFile destFile(rootFileName, "recreate");
	257	if (destFile.IsZombie()) {
	258	return;
	259	}
	260	destFile.cd();
	261
	262	TTree *tree = new TTree("tree","");
	263
	264	// variables for filling the TTree
	265	Int_t iSM = 0; // SuperModule index
	266	// list of values to be written
	267	// first: overall values for the whole SuperModule
ab962f7b	268	Int_t iCalibMethod = 0;
	269	Int_t iCalibPass = 0;
	270	Float_t absoluteCalib = 0;
61917ab3	271	// third: info for each tower
ab962f7b	272	Float_t relativeCalib[AliEMCALGeoParams::fgkEMCALCols][AliEMCALGeoParams::fgkEMCALRows];
61917ab3	273	// end - all values
	274
	275	// just to make the initializations of the arrays are done correctly, let's use memset
ab962f7b	276	memset(relativeCalib, 0, sizeof(relativeCalib));
61917ab3	277
	278	Int_t nAPDPerSM = AliEMCALGeoParams::fgkEMCALCols * AliEMCALGeoParams::fgkEMCALRows;
	279	// for looping over towers
	280	Int_t iCol = 0;
	281	Int_t iRow = 0;
	282
	283	// declare the branches
	284	// first
	285	tree->Branch("iSM", &iSM, "iSM/I");
ab962f7b	286	tree->Branch("CalibMethod", &iCalibMethod, "CalibMethod/I");
	287	tree->Branch("CalibPass", &iCalibPass, "CalibPass/I");
	288	tree->Branch("AbsoluteCalib", &absoluteCalib, "AbsoluteCalib/F");
61917ab3	289	// third: info for each tower; see if a 2D array works OK or if we'll have to use 1D arrays instead
ab962f7b	290	tree->Branch( "RelativeCalib", &relativeCalib, Form("RelativeCalib[%d][%d]/F", AliEMCALGeoParams::fgkEMCALCols, AliEMCALGeoParams::fgkEMCALRows) );
61917ab3	291
61917ab3	292	for (iSM = 0; iSM < fNSuperModule; iSM++) {
2f17a269	293	AliEMCALSuperModuleCalibAbs * t = (AliEMCALSuperModuleCalibAbs*) fSuperModuleData[iSM];
61917ab3	294
2f17a269	295	iSM = t->GetSuperModuleNum();
61917ab3	296	// first, overall values
ab962f7b	297	iCalibMethod = t->GetCalibMethod();
	298	iCalibPass = t->GetCalibPass();
	299	absoluteCalib = t->GetAbsoluteCalib();
61917ab3	300
	301	// third: info for each tower
	302	for (Int_t j=0; j<nAPDPerSM; j++) {
	303	iCol = j / AliEMCALGeoParams::fgkEMCALRows;
	304	iRow = j % AliEMCALGeoParams::fgkEMCALRows;
	305
	306	// help variables: possibly modified or swapped indices
	307	int iColMod = iCol;
	308	int iRowMod = iRow;
	309	// assume that this info is already swapped and done for this basis?
	310	if (swapSides) {
	311	// C side, oriented differently than A side: swap is requested
	312	iColMod = AliEMCALGeoParams::fgkEMCALCols-1 - iCol;
	313	iRowMod = AliEMCALGeoParams::fgkEMCALRows-1 - iRow;
	314	}
	315
ab962f7b	316	relativeCalib[iColMod][iRowMod] = t->GetRelativeCalib(iCol, iRow);
61917ab3	317	}
	318
	319	tree->Fill();
	320	} // i, SuperModule
	321
	322	tree->Write();
	323	destFile.Close();
	324
	325	return;
	326	}
	327
d81e6423	328	//____________________________________________________________________________
	329	AliEMCALCalibAbs::~AliEMCALCalibAbs()
	330	{
2f17a269	331	fSuperModuleData.Delete();
d81e6423	332	}
	333
	334	//____________________________________________________________________________
2f17a269	335	AliEMCALSuperModuleCalibAbs * AliEMCALCalibAbs::GetSuperModuleCalibAbsNum(Int_t supModIndex)const
d81e6423	336	{
d81e6423	337	for (int i=0; i<fNSuperModule; i++) {
2f17a269	338	AliEMCALSuperModuleCalibAbs * t = (AliEMCALSuperModuleCalibAbs*) fSuperModuleData[i];
	339	if (t->GetSuperModuleNum() == supModIndex) {
	340	return t;
d81e6423	341	}
	342	}
	343
2f17a269	344	// if we arrived here, then nothing was found.. just return a NULL pointer
2f17a269	345	return NULL;
d81e6423	346	}
d81e6423	347