[u/mrichter/AliRoot.git] / PWG1 / AliComparisonDEdx.cxx

//------------------------------------------------------------------------------
// Implementation of AliComparisonDEdx class. It keeps information from 
// comparison of reconstructed and MC particle tracks. In addtion, 
// it keeps selection cuts used during comparison. The comparison 
// information is stored in the ROOT histograms. Analysis of these 
// histograms can be done by using Analyse() class function. The result of 
// the analysis (histograms/graphs) are stored in the folder which is 
// a data of AliComparisonDEdx.
//  
// Author: J.Otwinowski 04/02/2008 
//------------------------------------------------------------------------------

/*
 
  // after running comparison task, read the file, and get component
  gROOT->LoadMacro("$ALICE_ROOT/PWG1/Macros/LoadMyLibs.C");
  LoadMyLibs();
  TFile f("Output.root");
  //AliComparisonDEdx * compObj = (AliComparisonDEdx*)f.Get("AliComparisonDEdx");
  AliComparisonDEdx * compObj = (AliComparisonDEdx*)cOutput->FindObject("AliComparisonDEdx");

  // Analyse comparison data
  compObj->Analyse();

  // the output histograms/graphs will be stored in the folder "folderDEdx" 
  compObj->GetAnalysisFolder()->ls("*");

  // user can save whole comparison object (or only folder with anlysed histograms) 
  // in the seperate output file (e.g.)
  TFile fout("Analysed_DEdx.root"."recreate");
  compObj->Write(); // compObj->GetAnalysisFolder()->Write();
  fout.Close();

*/

#include "TCanvas.h"
#include "AliESDEvent.h"
#include "AliRecInfoCuts.h" 
#include "AliMCInfoCuts.h" 
#include "AliLog.h" 
#include "AliMathBase.h"
#include "AliTreeDraw.h"

#include "AliMCInfo.h" 
#include "AliESDRecInfo.h" 
#include "AliComparisonDEdx.h" 

using namespace std;

ClassImp(AliComparisonDEdx)

//_____________________________________________________________________________
AliComparisonDEdx::AliComparisonDEdx():
//  TNamed("AliComparisonDEdx","AliComparisonDEdx"),
  AliComparisonObject("AliComparisonDEdx"),

  // dEdx 
  fDeDxHisto(0),
  
  // Cuts 
  fCutsRC(0), 
  fCutsMC(0),

  // histogram folder 
  fAnalysisFolder(0)
{
  // default constructor	
}

//_____________________________________________________________________________
AliComparisonDEdx::AliComparisonDEdx(Char_t* name="AliComparisonDEdx", Char_t* title="AliComparisonDEdx",Int_t analysisMode=0, Bool_t hptGenerator=kFALSE):
  AliComparisonObject(name,title),

  // dEdx 
  fDeDxHisto(0),
  
  // Cuts 
  fCutsRC(0), 
  fCutsMC(0),

  // histogram folder 
  fAnalysisFolder(0)
{
  // named constructor

  SetAnalysisMode(analysisMode);
  SetHptGenerator(hptGenerator);
  Init();
}


//_____________________________________________________________________________
AliComparisonDEdx::~AliComparisonDEdx()
{
  // destructor
  if(fDeDxHisto)  delete fDeDxHisto; fDeDxHisto=0; 

  if(fCutsRC) delete fCutsRC; fCutsRC=0;
  if(fCutsMC) delete fCutsMC; fCutsMC=0;
  
  if(fAnalysisFolder) delete fAnalysisFolder; fAnalysisFolder=0;
}

//_____________________________________________________________________________
void AliComparisonDEdx::Init()
{
  // Init histograms
  
  // TPC dEdx
  Int_t nPBins = 31;
    Double_t binsP[32] = {0.,0.05,0.1,0.15,0.2,0.25,0.3,0.35,0.4,0.45,0.5,0.55,0.6,0.7,0.8,0.9,1.0,1.2,1.4,1.6,1.8,2.0,2.25,2.5,2.75,3.,3.5,4.,5.,6.,8.,10.};
    Double_t pMin = 0., pMax = 10.;

    if(IsHptGenerator() == kTRUE) {
      nPBins = 100;
      pMin = 0.; pMax = 100.;
    }

   //signal:alpha:y:z:snp:tgl:ncls:pid:p
   Int_t binsQA[9]    = {600,50, 50,  50, 50, 50, 80, 5, nPBins};
   Double_t xminQA[9] = {0,  -4,-20,-250, -1, -2, 0, 0., pMin};
   Double_t xmaxQA[9] = {300, 4, 20, 250,  1,  2, 160, 5., pMax};

   fDeDxHisto = new THnSparseF("fDeDxHisto","signal:alpha:y:z:snp:tgl:ncls:pid:momentum",9,binsQA,xminQA,xmaxQA);
   if(!IsHptGenerator()) fDeDxHisto->SetBinEdges(8,binsP);

   fDeDxHisto->GetAxis(0)->SetTitle("signal");
   fDeDxHisto->GetAxis(1)->SetTitle("alpha (rad)");
   fDeDxHisto->GetAxis(2)->SetTitle("y (cm)");
   fDeDxHisto->GetAxis(3)->SetTitle("z (cm)");
   fDeDxHisto->GetAxis(4)->SetTitle("snp");
   fDeDxHisto->GetAxis(5)->SetTitle("tgl");
   fDeDxHisto->GetAxis(6)->SetTitle("ncls");
   fDeDxHisto->GetAxis(6)->SetTitle("pid");
   fDeDxHisto->GetAxis(7)->SetTitle("p (GeV/c)");
   fDeDxHisto->Sumw2();

   // Init cuts
   if(!fCutsMC) 
     AliDebug(AliLog::kError, "ERROR: Cannot find AliMCInfoCuts object");
   if(!fCutsRC) 
     AliDebug(AliLog::kError, "ERROR: Cannot find AliRecInfoCuts object");

   // init folder
   fAnalysisFolder = CreateFolder("folderDEdx","Analysis de/dx Folder");
}

//_____________________________________________________________________________
void AliComparisonDEdx::ProcessTPC(AliMCInfo* const infoMC, AliESDRecInfo *const infoRC)
{
  // Fill dE/dx  comparison information
  
  // Check selection cuts 
  if (fCutsMC->IsPdgParticle(TMath::Abs(infoMC->GetParticle().GetPdgCode())) == kFALSE) return; 
 
  Double_t pid = -1;
  if( TMath::Abs(infoMC->GetParticle().GetPdgCode())==fCutsMC->GetEM() ) pid = 0;
  if( TMath::Abs(infoMC->GetParticle().GetPdgCode())==fCutsMC->GetMuM() ) pid = 1;
  if( TMath::Abs(infoMC->GetParticle().GetPdgCode())==fCutsMC->GetPiP() ) pid = 2;
  if( TMath::Abs(infoMC->GetParticle().GetPdgCode())==fCutsMC->GetKP() ) pid = 3;
  if( TMath::Abs(infoMC->GetParticle().GetPdgCode())==fCutsMC->GetProt() ) pid = 4;

  if (!infoRC->GetESDtrack()) return;  
  if (infoRC->GetESDtrack()->GetTPCNcls()<fCutsRC->GetMinNClustersTPC()) return;

  Float_t dedx = infoRC->GetESDtrack()->GetTPCsignal();
  Int_t ncls = infoRC->GetESDtrack()->GetTPCNcls();

  const AliExternalTrackParam *innerParam =  0;
  if ((innerParam = infoRC->GetESDtrack()->GetInnerParam()) == 0) return;

  Double_t pt = innerParam->Pt();
  Double_t lam = TMath::ATan2(innerParam->Pz(),innerParam->Pt());
  Double_t p = pt/TMath::Cos(lam);
  Double_t alpha = innerParam->GetAlpha();
  Double_t y = innerParam->GetY();
  Double_t z = innerParam->GetZ();
  Double_t snp = innerParam->GetSnp();
  Double_t tgl = innerParam->GetTgl();

  Double_t vDeDxHisto[9] = {dedx,alpha,y,z,snp,tgl,ncls,pid,p};
  fDeDxHisto->Fill(vDeDxHisto); 
}

//_____________________________________________________________________________
void AliComparisonDEdx::ProcessTPCITS(AliMCInfo* const infoMC, AliESDRecInfo *const infoRC)
{
  // Fill dE/dx  comparison information
  
   AliDebug(AliLog::kWarning, "Warning: Not implemented");
}

//_____________________________________________________________________________
void AliComparisonDEdx::ProcessConstrained(AliMCInfo* const infoMC, AliESDRecInfo *const infoRC)
{
  // Fill dE/dx  comparison information
  
   AliDebug(AliLog::kWarning, "Warning: Not implemented");
}

//_____________________________________________________________________________
Long64_t AliComparisonDEdx::Merge(TCollection* const list) 
{
  // Merge list of objects (needed by PROOF)

  if (!list)
  return 0;

  if (list->IsEmpty())
  return 1;

  TIterator* iter = list->MakeIterator();
  TObject* obj = 0;

  // collection of generated histograms
  Int_t count=0;
  while((obj = iter->Next()) != 0) 
  {
    AliComparisonDEdx* entry = dynamic_cast<AliComparisonDEdx*>(obj);
    if (entry == 0) continue;

    fDeDxHisto->Add(entry->fDeDxHisto);
    count++;
  }

return count;
}

//_____________________________________________________________________________
void AliComparisonDEdx::Exec(AliMCInfo* const infoMC, AliESDRecInfo *const infoRC)
{
  // Process comparison information

  if(GetAnalysisMode() == 0) ProcessTPC(infoMC,infoRC);
  else if(GetAnalysisMode() == 1) ProcessTPCITS(infoMC,infoRC);
  else if(GetAnalysisMode() == 2) ProcessConstrained(infoMC,infoRC);
  else {
    printf("ERROR: AnalysisMode %d \n",fAnalysisMode);
    return;
  }
}

//_____________________________________________________________________________
TH1F* AliComparisonDEdx::MakeResol(TH2F * his, Int_t integ, Bool_t type)
{
  // Make resolution histograms
  TH1F *hisr, *hism;
  if (!gPad) new TCanvas;
  hisr = AliTreeDraw::CreateResHistoI(his,&hism,integ);
  if (type) return hism;
  else 
    return hisr;
}

//_____________________________________________________________________________
void AliComparisonDEdx::Analyse()
{
  // Analyze comparison information and store output histograms
  // in the folder "folderDEdx"
  //
  TH1::AddDirectory(kFALSE);
  TObjArray *aFolderObj = new TObjArray;

  /*
  TH1F *hiss=0;
  TGraph2D * gr=0;

  // write results in the folder 
  TCanvas * c = new TCanvas("can","TPC dedx");
  c->cd();

  hiss = comp->MakeResol(comp->fTPCSignalNormTan,4,0);
  hiss->SetXTitle("Tan(#theta)");
  hiss->SetYTitle("#sigma_{dEdx}");
  hiss->Draw();
  hiss->SetName("TPCdEdxResolTan");

  aFolderObj->Add(hiss);
  //
  hiss = comp->MakeResol(comp->fTPCSignalNormTan,4,1); 
  hiss->SetXTitle("Tan(#theta)");
  hiss->SetYTitle("<dEdx>");
  hiss->Draw(); 
  hiss->SetName("TPCdEdxMeanTan");

  aFolderObj->Add(hiss);
  //
  gr = AliMathBase::MakeStat2D(comp->fTPCSignalNormTanSPt,3,1,4);
  gr->GetXaxis()->SetTitle("Tan(#theta)");
  gr->GetYaxis()->SetTitle("#sqrt{p_{t}(GeV)}");
  gr->GetZaxis()->SetTitle("<dEdx>");
  gr->SetName("TPCdEdxMeanTanPt_1");
  gr->GetHistogram()->Draw("colz"); 

  gr->GetHistogram()->SetName("TPCdEdxMeanTanPt_1");
  aFolderObj->Add(gr->GetHistogram());
  //
  gr = AliMathBase::MakeStat2D(comp->fTPCSignalNormTanSPt,3,1,5);
  gr->GetXaxis()->SetTitle("Tan(#theta)");
  gr->GetYaxis()->SetTitle("#sqrt{p_{t}(GeV)}");
  gr->GetZaxis()->SetTitle("#sigma_{dEdx}");
  gr->SetName("TPCdEdxMeanTanPt_2");
  gr->GetHistogram()->Draw("colz"); 

  gr->GetHistogram()->SetName("TPCdEdxMeanTanPt_2");
  aFolderObj->Add(gr->GetHistogram());
  */

  // export objects to analysis folder
  fAnalysisFolder = ExportToFolder(aFolderObj);

  // delete only TObjrArray
  if(aFolderObj) delete aFolderObj;
}

//_____________________________________________________________________________
TFolder* AliComparisonDEdx::ExportToFolder(TObjArray * array) 
{
  // recreate folder avery time and export objects to new one
  //
  AliComparisonDEdx * comp=this;
  TFolder *folder = comp->GetAnalysisFolder();

  TString name, title;
  TFolder *newFolder = 0;
  Int_t i = 0;
  Int_t size = array->GetSize();

  if(folder) { 
     // get name and title from old folder
     name = folder->GetName();  
     title = folder->GetTitle();  

	 // delete old one
     delete folder;

	 // create new one
     newFolder = CreateFolder(name.Data(),title.Data());
     newFolder->SetOwner();

	 // add objects to folder
     while(i < size) {
	   newFolder->Add(array->At(i));
	   i++;
	 }
  }

return newFolder;
}


//_____________________________________________________________________________
TFolder* AliComparisonDEdx::CreateFolder(TString name,TString title) { 
// create folder for analysed histograms
TFolder *folder = 0;
  folder = new TFolder(name.Data(),title.Data());

  return folder;
}
Commit	Line	Data
3baa4bfd	1	//------------------------------------------------------------------------------
	2	// Implementation of AliComparisonDEdx class. It keeps information from
	3	// comparison of reconstructed and MC particle tracks. In addtion,
	4	// it keeps selection cuts used during comparison. The comparison
	5	// information is stored in the ROOT histograms. Analysis of these
	6	// histograms can be done by using Analyse() class function. The result of
	7	// the analysis (histograms/graphs) are stored in the folder which is
	8	// a data of AliComparisonDEdx.
	9	//
	10	// Author: J.Otwinowski 04/02/2008
	11	//------------------------------------------------------------------------------
	12
	13	/*
	14
	15	// after running comparison task, read the file, and get component
b4126c69	16	gROOT->LoadMacro("$ALICE_ROOT/PWG1/Macros/LoadMyLibs.C");
b4126c69	17	LoadMyLibs();
3baa4bfd	18	TFile f("Output.root");
35771050	19	//AliComparisonDEdx * compObj = (AliComparisonDEdx*)f.Get("AliComparisonDEdx");
35771050	20	AliComparisonDEdx * compObj = (AliComparisonDEdx*)cOutput->FindObject("AliComparisonDEdx");
3baa4bfd	21
b4126c69	22	// Analyse comparison data
3baa4bfd	23	compObj->Analyse();
	24
	25	// the output histograms/graphs will be stored in the folder "folderDEdx"
	26	compObj->GetAnalysisFolder()->ls("*");
	27
	28	// user can save whole comparison object (or only folder with anlysed histograms)
	29	// in the seperate output file (e.g.)
	30	TFile fout("Analysed_DEdx.root"."recreate");
	31	compObj->Write(); // compObj->GetAnalysisFolder()->Write();
	32	fout.Close();
	33
	34	*/
	35
3baa4bfd	36	#include "TCanvas.h"
3baa4bfd	37	#include "AliESDEvent.h"
3baa4bfd	38	#include "AliRecInfoCuts.h"
	39	#include "AliMCInfoCuts.h"
	40	#include "AliLog.h"
3baa4bfd	41	#include "AliMathBase.h"
3baa4bfd	42	#include "AliTreeDraw.h"
3baa4bfd	43
	44	#include "AliMCInfo.h"
	45	#include "AliESDRecInfo.h"
	46	#include "AliComparisonDEdx.h"
	47
	48	using namespace std;
	49
	50	ClassImp(AliComparisonDEdx)
	51
	52	//_____________________________________________________________________________
	53	AliComparisonDEdx::AliComparisonDEdx():
	54	// TNamed("AliComparisonDEdx","AliComparisonDEdx"),
	55	AliComparisonObject("AliComparisonDEdx"),
	56
	57	// dEdx
71a14197	58	fDeDxHisto(0),
3baa4bfd	59
	60	// Cuts
	61	fCutsRC(0),
	62	fCutsMC(0),
3baa4bfd	63
	64	// histogram folder
	65	fAnalysisFolder(0)
	66	{
71a14197	67	// default constructor
	68	}
	69
	70	//_____________________________________________________________________________
	71	AliComparisonDEdx::AliComparisonDEdx(Char_t* name="AliComparisonDEdx", Char_t* title="AliComparisonDEdx",Int_t analysisMode=0, Bool_t hptGenerator=kFALSE):
	72	AliComparisonObject(name,title),
	73
	74	// dEdx
	75	fDeDxHisto(0),
	76
	77	// Cuts
	78	fCutsRC(0),
	79	fCutsMC(0),
	80
	81	// histogram folder
	82	fAnalysisFolder(0)
	83	{
	84	// named constructor
	85
	86	SetAnalysisMode(analysisMode);
	87	SetHptGenerator(hptGenerator);
3baa4bfd	88	Init();
	89	}
	90
71a14197	91
3baa4bfd	92	//_____________________________________________________________________________
71a14197	93	AliComparisonDEdx::~AliComparisonDEdx()
	94	{
	95	// destructor
	96	if(fDeDxHisto) delete fDeDxHisto; fDeDxHisto=0;
3baa4bfd	97
71a14197	98	if(fCutsRC) delete fCutsRC; fCutsRC=0;
	99	if(fCutsMC) delete fCutsMC; fCutsMC=0;
	100
3baa4bfd	101	if(fAnalysisFolder) delete fAnalysisFolder; fAnalysisFolder=0;
	102	}
	103
	104	//_____________________________________________________________________________
	105	void AliComparisonDEdx::Init()
	106	{
	107	// Init histograms
	108
	109	// TPC dEdx
71a14197	110	Int_t nPBins = 31;
	111	Double_t binsP[32] = {0.,0.05,0.1,0.15,0.2,0.25,0.3,0.35,0.4,0.45,0.5,0.55,0.6,0.7,0.8,0.9,1.0,1.2,1.4,1.6,1.8,2.0,2.25,2.5,2.75,3.,3.5,4.,5.,6.,8.,10.};
	112	Double_t pMin = 0., pMax = 10.;
	113
	114	if(IsHptGenerator() == kTRUE) {
	115	nPBins = 100;
	116	pMin = 0.; pMax = 100.;
	117	}
	118
	119	//signal:alpha:y:z:snp:tgl:ncls:pid:p
	120	Int_t binsQA[9] = {600,50, 50, 50, 50, 50, 80, 5, nPBins};
	121	Double_t xminQA[9] = {0, -4,-20,-250, -1, -2, 0, 0., pMin};
	122	Double_t xmaxQA[9] = {300, 4, 20, 250, 1, 2, 160, 5., pMax};
	123
	124	fDeDxHisto = new THnSparseF("fDeDxHisto","signal:alpha:y:z:snp:tgl:ncls:pid:momentum",9,binsQA,xminQA,xmaxQA);
	125	if(!IsHptGenerator()) fDeDxHisto->SetBinEdges(8,binsP);
	126
	127	fDeDxHisto->GetAxis(0)->SetTitle("signal");
	128	fDeDxHisto->GetAxis(1)->SetTitle("alpha (rad)");
	129	fDeDxHisto->GetAxis(2)->SetTitle("y (cm)");
	130	fDeDxHisto->GetAxis(3)->SetTitle("z (cm)");
	131	fDeDxHisto->GetAxis(4)->SetTitle("snp");
	132	fDeDxHisto->GetAxis(5)->SetTitle("tgl");
	133	fDeDxHisto->GetAxis(6)->SetTitle("ncls");
	134	fDeDxHisto->GetAxis(6)->SetTitle("pid");
	135	fDeDxHisto->GetAxis(7)->SetTitle("p (GeV/c)");
	136	fDeDxHisto->Sumw2();
	137
	138	// Init cuts
	139	if(!fCutsMC)
	140	AliDebug(AliLog::kError, "ERROR: Cannot find AliMCInfoCuts object");
	141	if(!fCutsRC)
	142	AliDebug(AliLog::kError, "ERROR: Cannot find AliRecInfoCuts object");
	143
	144	// init folder
	145	fAnalysisFolder = CreateFolder("folderDEdx","Analysis de/dx Folder");
3baa4bfd	146	}
	147
	148	//_____________________________________________________________________________
71a14197	149	void AliComparisonDEdx::ProcessTPC(AliMCInfo* const infoMC, AliESDRecInfo *const infoRC)
71a14197	150	{
3baa4bfd	151	// Fill dE/dx comparison information
3baa4bfd	152
3baa4bfd	153	// Check selection cuts
3baa4bfd	154	if (fCutsMC->IsPdgParticle(TMath::Abs(infoMC->GetParticle().GetPdgCode())) == kFALSE) return;
71a14197	155
	156	Double_t pid = -1;
	157	if( TMath::Abs(infoMC->GetParticle().GetPdgCode())==fCutsMC->GetEM() ) pid = 0;
	158	if( TMath::Abs(infoMC->GetParticle().GetPdgCode())==fCutsMC->GetMuM() ) pid = 1;
	159	if( TMath::Abs(infoMC->GetParticle().GetPdgCode())==fCutsMC->GetPiP() ) pid = 2;
	160	if( TMath::Abs(infoMC->GetParticle().GetPdgCode())==fCutsMC->GetKP() ) pid = 3;
	161	if( TMath::Abs(infoMC->GetParticle().GetPdgCode())==fCutsMC->GetProt() ) pid = 4;
	162
3baa4bfd	163	if (!infoRC->GetESDtrack()) return;
3baa4bfd	164	if (infoRC->GetESDtrack()->GetTPCNcls()<fCutsRC->GetMinNClustersTPC()) return;
3baa4bfd	165
71a14197	166	Float_t dedx = infoRC->GetESDtrack()->GetTPCsignal();
	167	Int_t ncls = infoRC->GetESDtrack()->GetTPCNcls();
	168
	169	const AliExternalTrackParam *innerParam = 0;
	170	if ((innerParam = infoRC->GetESDtrack()->GetInnerParam()) == 0) return;
	171
	172	Double_t pt = innerParam->Pt();
	173	Double_t lam = TMath::ATan2(innerParam->Pz(),innerParam->Pt());
	174	Double_t p = pt/TMath::Cos(lam);
	175	Double_t alpha = innerParam->GetAlpha();
	176	Double_t y = innerParam->GetY();
	177	Double_t z = innerParam->GetZ();
	178	Double_t snp = innerParam->GetSnp();
	179	Double_t tgl = innerParam->GetTgl();
	180
	181	Double_t vDeDxHisto[9] = {dedx,alpha,y,z,snp,tgl,ncls,pid,p};
	182	fDeDxHisto->Fill(vDeDxHisto);
	183	}
	184
	185	//_____________________________________________________________________________
	186	void AliComparisonDEdx::ProcessTPCITS(AliMCInfo* const infoMC, AliESDRecInfo *const infoRC)
	187	{
	188	// Fill dE/dx comparison information
	189
	190	AliDebug(AliLog::kWarning, "Warning: Not implemented");
	191	}
	192
	193	//_____________________________________________________________________________
	194	void AliComparisonDEdx::ProcessConstrained(AliMCInfo* const infoMC, AliESDRecInfo *const infoRC)
	195	{
	196	// Fill dE/dx comparison information
	197
	198	AliDebug(AliLog::kWarning, "Warning: Not implemented");
3baa4bfd	199	}
	200
	201	//_____________________________________________________________________________
71a14197	202	Long64_t AliComparisonDEdx::Merge(TCollection* const list)
3baa4bfd	203	{
	204	// Merge list of objects (needed by PROOF)
	205
	206	if (!list)
	207	return 0;
	208
	209	if (list->IsEmpty())
	210	return 1;
	211
	212	TIterator* iter = list->MakeIterator();
	213	TObject* obj = 0;
	214
	215	// collection of generated histograms
	216	Int_t count=0;
	217	while((obj = iter->Next()) != 0)
	218	{
	219	AliComparisonDEdx* entry = dynamic_cast<AliComparisonDEdx*>(obj);
	220	if (entry == 0) continue;
	221
71a14197	222	fDeDxHisto->Add(entry->fDeDxHisto);
3baa4bfd	223	count++;
	224	}
	225
	226	return count;
	227	}
	228
	229	//_____________________________________________________________________________
71a14197	230	void AliComparisonDEdx::Exec(AliMCInfo* const infoMC, AliESDRecInfo *const infoRC)
3baa4bfd	231	{
3baa4bfd	232	// Process comparison information
71a14197	233
	234	if(GetAnalysisMode() == 0) ProcessTPC(infoMC,infoRC);
	235	else if(GetAnalysisMode() == 1) ProcessTPCITS(infoMC,infoRC);
	236	else if(GetAnalysisMode() == 2) ProcessConstrained(infoMC,infoRC);
	237	else {
	238	printf("ERROR: AnalysisMode %d \n",fAnalysisMode);
	239	return;
	240	}
3baa4bfd	241	}
	242
	243	//_____________________________________________________________________________
	244	TH1F* AliComparisonDEdx::MakeResol(TH2F * his, Int_t integ, Bool_t type)
	245	{
	246	// Make resolution histograms
	247	TH1F hisr, hism;
	248	if (!gPad) new TCanvas;
	249	hisr = AliTreeDraw::CreateResHistoI(his,&hism,integ);
	250	if (type) return hism;
	251	else
	252	return hisr;
	253	}
	254
	255	//_____________________________________________________________________________
	256	void AliComparisonDEdx::Analyse()
	257	{
b4126c69	258	// Analyze comparison information and store output histograms
3baa4bfd	259	// in the folder "folderDEdx"
3baa4bfd	260	//
3baa4bfd	261	TH1::AddDirectory(kFALSE);
b4126c69	262	TObjArray *aFolderObj = new TObjArray;
3baa4bfd	263
71a14197	264	/*
3baa4bfd	265	TH1F *hiss=0;
	266	TGraph2D * gr=0;
	267
3baa4bfd	268	// write results in the folder
	269	TCanvas * c = new TCanvas("can","TPC dedx");
	270	c->cd();
	271
	272	hiss = comp->MakeResol(comp->fTPCSignalNormTan,4,0);
	273	hiss->SetXTitle("Tan(#theta)");
	274	hiss->SetYTitle("#sigma_{dEdx}");
	275	hiss->Draw();
	276	hiss->SetName("TPCdEdxResolTan");
	277
b4126c69	278	aFolderObj->Add(hiss);
3baa4bfd	279	//
	280	hiss = comp->MakeResol(comp->fTPCSignalNormTan,4,1);
	281	hiss->SetXTitle("Tan(#theta)");
	282	hiss->SetYTitle("<dEdx>");
	283	hiss->Draw();
	284	hiss->SetName("TPCdEdxMeanTan");
	285
b4126c69	286	aFolderObj->Add(hiss);
3baa4bfd	287	//
	288	gr = AliMathBase::MakeStat2D(comp->fTPCSignalNormTanSPt,3,1,4);
	289	gr->GetXaxis()->SetTitle("Tan(#theta)");
	290	gr->GetYaxis()->SetTitle("#sqrt{p_{t}(GeV)}");
	291	gr->GetZaxis()->SetTitle("<dEdx>");
	292	gr->SetName("TPCdEdxMeanTanPt_1");
	293	gr->GetHistogram()->Draw("colz");
	294
decf0997	295	gr->GetHistogram()->SetName("TPCdEdxMeanTanPt_1");
b4126c69	296	aFolderObj->Add(gr->GetHistogram());
3baa4bfd	297	//
	298	gr = AliMathBase::MakeStat2D(comp->fTPCSignalNormTanSPt,3,1,5);
	299	gr->GetXaxis()->SetTitle("Tan(#theta)");
	300	gr->GetYaxis()->SetTitle("#sqrt{p_{t}(GeV)}");
	301	gr->GetZaxis()->SetTitle("#sigma_{dEdx}");
	302	gr->SetName("TPCdEdxMeanTanPt_2");
	303	gr->GetHistogram()->Draw("colz");
	304
decf0997	305	gr->GetHistogram()->SetName("TPCdEdxMeanTanPt_2");
b4126c69	306	aFolderObj->Add(gr->GetHistogram());
71a14197	307	*/
b4126c69	308
	309	// export objects to analysis folder
	310	fAnalysisFolder = ExportToFolder(aFolderObj);
	311
	312	// delete only TObjrArray
	313	if(aFolderObj) delete aFolderObj;
	314	}
	315
	316	//_____________________________________________________________________________
	317	TFolder* AliComparisonDEdx::ExportToFolder(TObjArray * array)
	318	{
	319	// recreate folder avery time and export objects to new one
	320	//
	321	AliComparisonDEdx * comp=this;
	322	TFolder *folder = comp->GetAnalysisFolder();
	323
	324	TString name, title;
	325	TFolder *newFolder = 0;
	326	Int_t i = 0;
	327	Int_t size = array->GetSize();
	328
	329	if(folder) {
	330	// get name and title from old folder
	331	name = folder->GetName();
	332	title = folder->GetTitle();
	333
	334	// delete old one
	335	delete folder;
3baa4bfd	336
b4126c69	337	// create new one
	338	newFolder = CreateFolder(name.Data(),title.Data());
	339	newFolder->SetOwner();
	340
	341	// add objects to folder
	342	while(i < size) {
	343	newFolder->Add(array->At(i));
	344	i++;
	345	}
	346	}
	347
	348	return newFolder;
3baa4bfd	349	}
3baa4bfd	350
b4126c69	351
3baa4bfd	352	//_____________________________________________________________________________
	353	TFolder* AliComparisonDEdx::CreateFolder(TString name,TString title) {
	354	// create folder for analysed histograms
	355	TFolder *folder = 0;
	356	folder = new TFolder(name.Data(),title.Data());
	357
	358	return folder;
	359	}
	360