[u/mrichter/AliRoot.git] / PWG4 / JetTasks / AliAnalysisHelperJetTasks.cxx


#include "TROOT.h"
#include "TList.h"
#include "TH1F.h"
#include "TProfile.h"
#include "THnSparse.h"
#include "TFile.h"
#include "AliMCEvent.h"
#include "AliAODJet.h"
#include "AliStack.h"
#include "AliGenEventHeader.h"
#include "AliGenCocktailEventHeader.h"
#include "AliGenPythiaEventHeader.h"
#include <fstream>
#include <iostream>
#include "AliAnalysisHelperJetTasks.h"


ClassImp(AliAnalysisHelperJetTasks)


AliGenPythiaEventHeader*  AliAnalysisHelperJetTasks::GetPythiaEventHeader(AliMCEvent *mcEvent){
  
  AliGenEventHeader* genHeader = mcEvent->GenEventHeader();
  AliGenPythiaEventHeader* pythiaGenHeader = dynamic_cast<AliGenPythiaEventHeader*>(genHeader);
  if(!pythiaGenHeader){
    // cocktail ??
    AliGenCocktailEventHeader* genCocktailHeader = dynamic_cast<AliGenCocktailEventHeader*>(genHeader);
    
    if (!genCocktailHeader) {
      Printf("%s %d: Unknown header type (not Pythia or Cocktail)",(char*)__FILE__,__LINE__);
      return 0;
    }
    TList* headerList = genCocktailHeader->GetHeaders();
    for (Int_t i=0; i<headerList->GetEntries(); i++) {
      pythiaGenHeader = dynamic_cast<AliGenPythiaEventHeader*>(headerList->At(i));
      if (pythiaGenHeader)
        break;
    }
    if(!pythiaGenHeader){
      Printf("%s %d: PythiaHeader not found!",(char*)__FILE__,__LINE__);
      return 0;
    }
  }
  return pythiaGenHeader;

}


void AliAnalysisHelperJetTasks::PrintStack(AliMCEvent *mcEvent,Int_t iFirst,Int_t iLast,Int_t iMaxPrint){

  AliStack *stack = mcEvent->Stack();
  if(!stack){
    Printf("%s%d No Stack available",(char*)__FILE__,__LINE__);
    return;
  }

  static Int_t iCount = 0;
  if(iCount>iMaxPrint)return;
  Int_t nStack = stack->GetNtrack();
  if(iLast == 0)iLast = nStack;
  else if(iLast > nStack)iLast = nStack;


  Printf("####################################################################");
  for(Int_t np = iFirst;np<iLast;++np){
    TParticle *p = stack->Particle(np);
    Printf("Nr.%d --- Status %d ---- Mother1 %d Mother2 %d Daughter1 %d Daughter2 %d ",
	   np,p->GetStatusCode(),p->GetMother(0),p->GetMother(1),p->GetDaughter(0),p->GetDaughter(1));
    Printf("Eta %3.3f Phi %3.3f ",p->Eta(),p->Phi()); 
    p->Print();    
    Printf("---------------------------------------");
  }
  iCount++;
}


void AliAnalysisHelperJetTasks::GetClosestJets(AliAODJet *genJets,const Int_t &nGenJets,
					       AliAODJet *recJets,const Int_t &nRecJets,
					       Int_t *iGenIndex,Int_t *iRecIndex,
					       Int_t iDebug,Float_t maxDist){

  //
  // Relate the two input jet Arrays
  //

  //
  // The association has to be unique
  // So check in two directions
  // find the closest rec to a gen
  // and check if there is no other rec which is closer
  // Caveat: Close low energy/split jets may disturb this correlation

  // Idea: search in two directions generated e.g (a--e) and rec (1--3)
  // Fill a matrix with Flags (1 for closest rec jet, 2 for closest rec jet
  // in the end we have something like this
  //    1   2   3
  // ------------
  // a| 3   2   0
  // b| 0   1   0
  // c| 0   0   3
  // d| 0   0   1
  // e| 0   0   1
  // Topology
  //   1     2
  //     a         b        
  //
  //  d      c
  //        3     e
  // Only entries with "3" match from both sides
  
  const int kMode = 3;

  
  if(nRecJets==0||nGenJets==0)return;

  for(int i = 0;i < nGenJets;++i)iGenIndex[i] = -1;
  for(int j = 0;j < nRecJets;++j)iRecIndex[j] = -1;

  UShort_t *iFlag = new UShort_t[nGenJets*nRecJets];
  for(int i = 0;i < nGenJets;++i){
    for(int j = 0;j < nRecJets;++j){
      iFlag[i*nGenJets+j] = 0;
    }
  }


  // find the closest distance to the generated
  for(int ig = 0;ig<nGenJets;++ig){
    Float_t dist = maxDist;
    if(iDebug>1)Printf("Gen (%d) p_T %3.3f eta %3.3f ph %3.3f ",ig,genJets[ig].Pt(),genJets[ig].Eta(),genJets[ig].Phi());
    for(int ir = 0;ir<nRecJets;++ir){
      Double_t dR = genJets[ig].DeltaR(&recJets[ir]);
      if(iDebug>1)Printf("Rec (%d) p_T %3.3f eta %3.3f ph %3.3f ",ir,recJets[ir].Pt(),recJets[ir].Eta(),recJets[ir].Phi());
      if(iDebug>1)Printf("Distance (%d)--(%d) %3.3f ",ig,ir,dR);
      if(dR<dist){
	iRecIndex[ig] = ir;
	dist = dR;
      }	
    }
    if(iRecIndex[ig]>=0)iFlag[ig*nGenJets+iRecIndex[ig]]+=1;
    // reset...
    iRecIndex[ig] = -1;
  }
  // other way around
  for(int ir = 0;ir<nRecJets;++ir){
    Float_t dist = maxDist;
    for(int ig = 0;ig<nGenJets;++ig){
      Double_t dR = genJets[ig].DeltaR(&recJets[ir]);
      if(dR<dist){
	iGenIndex[ir] = ig;
	dist = dR;
      }	
    }
    if(iGenIndex[ir]>=0)iFlag[iGenIndex[ir]*nGenJets+ir]+=2;
    // reset...
    iGenIndex[ir] = -1;
  }

  // check for "true" correlations

  if(iDebug>1)Printf(">>>>>> Matrix");

  for(int ig = 0;ig<nGenJets;++ig){
    for(int ir = 0;ir<nRecJets;++ir){
      // Print
      if(iDebug>1)printf("Flag[%d][%d] %d ",ig,ir,iFlag[ig*nGenJets+ir]);

      if(kMode==3){
	// we have a uniqie correlation
	if(iFlag[ig*nGenJets+ir]==3){
	  iGenIndex[ir] = ig;
	  iRecIndex[ig] = ir;
	}
      }
      else{
	// we just take the correlation from on side
	if((iFlag[ig*nGenJets+ir]&2)==2){
	  iGenIndex[ir] = ig;
	}
	if((iFlag[ig*nGenJets+ir]&1)==1){
	  iRecIndex[ig] = ir;
	}
      }
    }
    if(iDebug>1)printf("\n");
  }

  delete [] iFlag;

}


void  AliAnalysisHelperJetTasks::MergeOutput(char* cFiles, char* cList){

  // This is used to merge the analysis-output from different 
  // data samples/pt_hard bins
  // in case the eventweigth was set to xsection/ntrials already, this
  // is not needed. Both methods only work in case we do not mix different 
  // pt_hard bins, and do not have overlapping bins

  const Int_t nMaxBins = 12;
  // LHC08q jetjet100: Mean = 1.42483e-03, RMS = 6.642e-05
  // LHC08r jetjet50: Mean = 2.44068e-02, RMS = 1.144e-03
  // LHC08v jetjet15-50: Mean = 2.168291 , RMS = 7.119e-02
  // const Float_t xsection[nBins] = {2.168291,2.44068e-02};

  Float_t xsection[nMaxBins];
  Float_t nTrials[nMaxBins];
  Float_t sf[nMaxBins];
  TList *lIn[nMaxBins];
  TFile *fIn[nMaxBins];

  ifstream in1;
  in1.open(cFiles);

  char cFile[120];
  Int_t ibTotal = 0;
  while(in1>>cFile){
    fIn[ibTotal] = TFile::Open(cFile);
    lIn[ibTotal] = (TList*)fIn[ibTotal]->Get(cList);
    if(!lIn[ibTotal]){
      Printf("%s:%d No list %s found, exiting...",__FILE__,__LINE__,cList);
      fIn[ibTotal]->ls();
      return;
    }
    TH1* hTrials = (TH1F*)lIn[ibTotal]->FindObject("fh1Trials");
    if(!hTrials){
      Printf("%s:%d fh1PtHard_Trials not found in list, exiting...",__FILE__,__LINE__);
      return;
    }
    TProfile* hXsec = (TProfile*)lIn[ibTotal]->FindObject("fh1Xsec");
    if(!hXsec){
      Printf("%s:%d fh1Xsec  not found in list, exiting...",__FILE__,__LINE__);
      return;
    }
    xsection[ibTotal] = hXsec->GetBinContent(1);
    nTrials[ibTotal] = hTrials->Integral();
    sf[ibTotal] = xsection[ibTotal]/ nTrials[ibTotal];
    ibTotal++;
  }

  if(ibTotal==0){
    Printf("%s:%d No files found for mergin, exiting",__FILE__,__LINE__);
    return;
  }

  TFile *fOut = new TFile("allpt.root","RECREATE");
  TList *lOut = new TList();
  lOut->SetName(lIn[0]->GetName());
  // for the start scale all...
  for(int ie = 0; ie < lIn[0]->GetEntries();++ie){
    TH1 *h1Add = 0;
    THnSparse *hnAdd = 0;
    for(int ib = 0;ib < ibTotal;++ib){
      // dynamic cast does not work with cint
      TObject *h = lIn[ib]->At(ie);
      if(h->InheritsFrom("TH1")){
	TH1 *h1 = (TH1*)h;
	if(ib==0){
	  h1Add = (TH1*)h1->Clone(h1->GetName());
	  h1Add->Scale(sf[ib]);
	}
	else{
	  h1Add->Add(h1,sf[ib]);
	}
      }
      else if(h->InheritsFrom("THnSparse")){
	THnSparse *hn = (THnSparse*)h;
	if(ib==0){
	  hnAdd = (THnSparse*)hn->Clone(hn->GetName());
	  hnAdd->Scale(sf[ib]);
	}
	else{
	  hnAdd->Add(hn,sf[ib]);
	}
      }
      

    }// ib
    if(h1Add)lOut->Add(h1Add);
    else if(hnAdd)lOut->Add(hnAdd);
  }
  fOut->cd();
  lOut->Write(lOut->GetName(),TObject::kSingleKey);
  fOut->Close();
}
Commit	Line	Data
f3050824	1
	2	#include "TROOT.h"
	3	#include "TList.h"
188a1ba9	4	#include "TH1F.h"
	5	#include "TProfile.h"
	6	#include "THnSparse.h"
	7	#include "TFile.h"
f3050824	8	#include "AliMCEvent.h"
db6bcb0e	9	#include "AliAODJet.h"
f3050824	10	#include "AliStack.h"
	11	#include "AliGenEventHeader.h"
	12	#include "AliGenCocktailEventHeader.h"
	13	#include "AliGenPythiaEventHeader.h"
	14	#include <fstream>
	15	#include <iostream>
	16	#include "AliAnalysisHelperJetTasks.h"
	17
	18
	19	ClassImp(AliAnalysisHelperJetTasks)
	20
	21
	22
	23
	24	AliGenPythiaEventHeader* AliAnalysisHelperJetTasks::GetPythiaEventHeader(AliMCEvent *mcEvent){
	25
	26	AliGenEventHeader* genHeader = mcEvent->GenEventHeader();
	27	AliGenPythiaEventHeader* pythiaGenHeader = dynamic_cast<AliGenPythiaEventHeader*>(genHeader);
	28	if(!pythiaGenHeader){
	29	// cocktail ??
	30	AliGenCocktailEventHeader* genCocktailHeader = dynamic_cast<AliGenCocktailEventHeader*>(genHeader);
	31
	32	if (!genCocktailHeader) {
	33	Printf("%s %d: Unknown header type (not Pythia or Cocktail)",(char*)__FILE__,__LINE__);
	34	return 0;
	35	}
	36	TList* headerList = genCocktailHeader->GetHeaders();
	37	for (Int_t i=0; i<headerList->GetEntries(); i++) {
	38	pythiaGenHeader = dynamic_cast<AliGenPythiaEventHeader*>(headerList->At(i));
	39	if (pythiaGenHeader)
	40	break;
	41	}
	42	if(!pythiaGenHeader){
	43	Printf("%s %d: PythiaHeader not found!",(char*)__FILE__,__LINE__);
	44	return 0;
	45	}
	46	}
	47	return pythiaGenHeader;
	48
	49	}
	50
	51
	52	void AliAnalysisHelperJetTasks::PrintStack(AliMCEvent *mcEvent,Int_t iFirst,Int_t iLast,Int_t iMaxPrint){
	53
	54	AliStack *stack = mcEvent->Stack();
	55	if(!stack){
	56	Printf("%s%d No Stack available",(char*)__FILE__,__LINE__);
	57	return;
	58	}
	59
	60	static Int_t iCount = 0;
	61	if(iCount>iMaxPrint)return;
	62	Int_t nStack = stack->GetNtrack();
	63	if(iLast == 0)iLast = nStack;
	64	else if(iLast > nStack)iLast = nStack;
	65
	66
	67	Printf("####################################################################");
	68	for(Int_t np = iFirst;np<iLast;++np){
	69	TParticle *p = stack->Particle(np);
	70	Printf("Nr.%d --- Status %d ---- Mother1 %d Mother2 %d Daughter1 %d Daughter2 %d ",
	71	np,p->GetStatusCode(),p->GetMother(0),p->GetMother(1),p->GetDaughter(0),p->GetDaughter(1));
	72	Printf("Eta %3.3f Phi %3.3f ",p->Eta(),p->Phi());
	73	p->Print();
74	Printf("---------------------------------------");
75	}
76	iCount++;
77	}
78
79
db6bcb0e	80
	81
	82	void AliAnalysisHelperJetTasks::GetClosestJets(AliAODJet *genJets,const Int_t &nGenJets,
	83	AliAODJet *recJets,const Int_t &nRecJets,
	84	Int_t iGenIndex,Int_t iRecIndex,
	85	Int_t iDebug,Float_t maxDist){
	86
	87	//
	88	// Relate the two input jet Arrays
	89	//
	90
	91	//
	92	// The association has to be unique
	93	// So check in two directions
	94	// find the closest rec to a gen
	95	// and check if there is no other rec which is closer
	96	// Caveat: Close low energy/split jets may disturb this correlation
	97
	98	// Idea: search in two directions generated e.g (a--e) and rec (1--3)
	99	// Fill a matrix with Flags (1 for closest rec jet, 2 for closest rec jet
	100	// in the end we have something like this
	101	// 1 2 3
	102	// ------------
	103	// a\| 3 2 0
	104	// b\| 0 1 0
	105	// c\| 0 0 3
	106	// d\| 0 0 1
	107	// e\| 0 0 1
	108	// Topology
	109	// 1 2
	110	// a b
	111	//
	112	// d c
	113	// 3 e
	114	// Only entries with "3" match from both sides
	115
	116	const int kMode = 3;
	117
	118
	119
	120	if(nRecJets==0\|\|nGenJets==0)return;
	121
	122	for(int i = 0;i < nGenJets;++i)iGenIndex[i] = -1;
	123	for(int j = 0;j < nRecJets;++j)iRecIndex[j] = -1;
	124
	125	UShort_t iFlag = new UShort_t[nGenJetsnRecJets];
	126	for(int i = 0;i < nGenJets;++i){
	127	for(int j = 0;j < nRecJets;++j){
	128	iFlag[i*nGenJets+j] = 0;
	129	}
	130	}
	131
	132
	133
	134	// find the closest distance to the generated
	135	for(int ig = 0;ig<nGenJets;++ig){
	136	Float_t dist = maxDist;
	137	if(iDebug>1)Printf("Gen (%d) p_T %3.3f eta %3.3f ph %3.3f ",ig,genJets[ig].Pt(),genJets[ig].Eta(),genJets[ig].Phi());
	138	for(int ir = 0;ir<nRecJets;++ir){
	139	Double_t dR = genJets[ig].DeltaR(&recJets[ir]);
	140	if(iDebug>1)Printf("Rec (%d) p_T %3.3f eta %3.3f ph %3.3f ",ir,recJets[ir].Pt(),recJets[ir].Eta(),recJets[ir].Phi());
	141	if(iDebug>1)Printf("Distance (%d)--(%d) %3.3f ",ig,ir,dR);
	142	if(dR<dist){
	143	iRecIndex[ig] = ir;
144	dist = dR;
145	}
146	}
147	if(iRecIndex[ig]>=0)iFlag[ig*nGenJets+iRecIndex[ig]]+=1;
148	// reset...
149	iRecIndex[ig] = -1;
150	}
151	// other way around
152	for(int ir = 0;ir<nRecJets;++ir){
153	Float_t dist = maxDist;
154	for(int ig = 0;ig<nGenJets;++ig){
155	Double_t dR = genJets[ig].DeltaR(&recJets[ir]);
156	if(dR<dist){
157	iGenIndex[ir] = ig;
158	dist = dR;
159	}
160	}
161	if(iGenIndex[ir]>=0)iFlag[iGenIndex[ir]*nGenJets+ir]+=2;
162	// reset...
163	iGenIndex[ir] = -1;
164	}
165
166	// check for "true" correlations
167
168	if(iDebug>1)Printf(">>>>>> Matrix");
169
170	for(int ig = 0;ig<nGenJets;++ig){
171	for(int ir = 0;ir<nRecJets;++ir){
172	// Print
173	if(iDebug>1)printf("Flag[%d][%d] %d ",ig,ir,iFlag[ig*nGenJets+ir]);
174
175	if(kMode==3){
176	// we have a uniqie correlation
177	if(iFlag[ig*nGenJets+ir]==3){
178	iGenIndex[ir] = ig;
179	iRecIndex[ig] = ir;
180	}
181	}
182	else{
183	// we just take the correlation from on side
184	if((iFlag[ig*nGenJets+ir]&2)==2){
185	iGenIndex[ir] = ig;
186	}
187	if((iFlag[ig*nGenJets+ir]&1)==1){
188	iRecIndex[ig] = ir;
189	}
190	}
191	}
192	if(iDebug>1)printf("\n");
193	}
194
195	delete [] iFlag;
196
197	}
198
199
200
188a1ba9	201	void AliAnalysisHelperJetTasks::MergeOutput(char* cFiles, char* cList){
db6bcb0e	202
188a1ba9	203	// This is used to merge the analysis-output from different
	204	// data samples/pt_hard bins
	205	// in case the eventweigth was set to xsection/ntrials already, this
	206	// is not needed. Both methods only work in case we do not mix different
	207	// pt_hard bins, and do not have overlapping bins
db6bcb0e	208
188a1ba9	209	const Int_t nMaxBins = 12;
	210	// LHC08q jetjet100: Mean = 1.42483e-03, RMS = 6.642e-05
	211	// LHC08r jetjet50: Mean = 2.44068e-02, RMS = 1.144e-03
	212	// LHC08v jetjet15-50: Mean = 2.168291 , RMS = 7.119e-02
	213	// const Float_t xsection[nBins] = {2.168291,2.44068e-02};
	214
	215	Float_t xsection[nMaxBins];
	216	Float_t nTrials[nMaxBins];
	217	Float_t sf[nMaxBins];
	218	TList *lIn[nMaxBins];
	219	TFile *fIn[nMaxBins];
	220
	221	ifstream in1;
	222	in1.open(cFiles);
	223
	224	char cFile[120];
	225	Int_t ibTotal = 0;
	226	while(in1>>cFile){
	227	fIn[ibTotal] = TFile::Open(cFile);
	228	lIn[ibTotal] = (TList*)fIn[ibTotal]->Get(cList);
	229	if(!lIn[ibTotal]){
	230	Printf("%s:%d No list %s found, exiting...",__FILE__,__LINE__,cList);
	231	fIn[ibTotal]->ls();
	232	return;
	233	}
	234	TH1* hTrials = (TH1F*)lIn[ibTotal]->FindObject("fh1Trials");
	235	if(!hTrials){
	236	Printf("%s:%d fh1PtHard_Trials not found in list, exiting...",__FILE__,__LINE__);
	237	return;
	238	}
	239	TProfile* hXsec = (TProfile*)lIn[ibTotal]->FindObject("fh1Xsec");
	240	if(!hXsec){
	241	Printf("%s:%d fh1Xsec not found in list, exiting...",__FILE__,__LINE__);
	242	return;
	243	}
	244	xsection[ibTotal] = hXsec->GetBinContent(1);
	245	nTrials[ibTotal] = hTrials->Integral();
	246	sf[ibTotal] = xsection[ibTotal]/ nTrials[ibTotal];
	247	ibTotal++;
	248	}
	249
	250	if(ibTotal==0){
	251	Printf("%s:%d No files found for mergin, exiting",__FILE__,__LINE__);
	252	return;
	253	}
	254
	255	TFile *fOut = new TFile("allpt.root","RECREATE");
	256	TList *lOut = new TList();
	257	lOut->SetName(lIn[0]->GetName());
	258	// for the start scale all...
	259	for(int ie = 0; ie < lIn[0]->GetEntries();++ie){
	260	TH1 *h1Add = 0;
	261	THnSparse *hnAdd = 0;
	262	for(int ib = 0;ib < ibTotal;++ib){
	263	// dynamic cast does not work with cint
	264	TObject *h = lIn[ib]->At(ie);
	265	if(h->InheritsFrom("TH1")){
	266	TH1 h1 = (TH1)h;
	267	if(ib==0){
	268	h1Add = (TH1*)h1->Clone(h1->GetName());
	269	h1Add->Scale(sf[ib]);
	270	}
	271	else{
	272	h1Add->Add(h1,sf[ib]);
273	}
274	}
275	else if(h->InheritsFrom("THnSparse")){
276	THnSparse hn = (THnSparse)h;
277	if(ib==0){
278	hnAdd = (THnSparse*)hn->Clone(hn->GetName());
279	hnAdd->Scale(sf[ib]);
280	}
281	else{
282	hnAdd->Add(hn,sf[ib]);
283	}
284	}
285
286
287	}// ib
288	if(h1Add)lOut->Add(h1Add);
289	else if(hnAdd)lOut->Add(hnAdd);
290	}
291	fOut->cd();
292	lOut->Write(lOut->GetName(),TObject::kSingleKey);
293	fOut->Close();
294	}