HMPID/AliHMPIDSelector.C

   1 #include <TF1.h>
   2 #include <TH2F.h>
   3 #include <TCanvas.h>  //Terminate()
   4 #include <TChain.h>
   5 #include <TBenchmark.h>
   6 #include <TFile.h>    //docosmic()
   7 #include <fstream>    //caf()
   8 #include <TProof.h>   //caf()
   9 #include <AliSelector.h>      //base class
  10 #include <AliESD.h>
  11 #include <AliBitPacking.h> //HmpidPayload()
  12 #include "AliHMPIDDigit.h"
  13 #include "AliHMPIDCluster.h"
  14 #include "AliHMPIDReconstructor.h" //docosmic()
  15
  16 class AliHMPIDSelector : public AliSelector {
  17  public :
  18            AliHMPIDSelector():AliSelector(),fChain(0),fEsd(0),fCkovP(0),fMipXY(0),fDifXY(0),fSigP(0) {for(Int_t i=0;i<5;i++) fProb[i]=0;}
  19   virtual ~AliHMPIDSelector()                                                                      {delete fEsd;}
  20
  21
  22   virtual Int_t   Version        () const {return 2;}
  23   virtual void    Begin          (TTree *) {}
  24   virtual void    SlaveBegin     (TTree *tree);
  25   virtual void    Init           (TTree *tree);
  26   virtual Bool_t  Notify         ()    {return kTRUE;}
  27   virtual Bool_t  Process        (Long64_t entry);
  28   virtual void    SetOption      (const char *option) { fOption = option; }
  29   virtual void    SetObject      (TObject *obj) { fObject = obj; }
  30   virtual void    SetInputList   (TList *input) {fInput = input;}
  31   virtual TList  *GetOutputList  () const { return fOutput; }
  32   virtual void    SlaveTerminate ();
  33   virtual void    Terminate      ();
  34
  35  private:
  36   TTree          *fChain ;   //!pointer to the analyzed TTree or TChain
  37   AliESD         *fEsd ;     //!
  38
  39   TH2F           *fCkovP,*fMipXY,*fDifXY,*fSigP; //!
  40   TH1F           *fProb[5];                      //!
  41
  42   ClassDef(AliHMPIDSelector,0);
  43 };
  44
  45
  46 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  47 void AliHMPIDSelector::SlaveBegin(TTree *tree)
  48 {
  49 // The SlaveBegin() function is called after the Begin() function.  When running with PROOF SlaveBegin() is called on each slave server.
  50 // The tree argument is deprecated (on PROOF 0 is passed).
  51
  52    Init(tree);
  53
  54    TString option = GetOption();
  55
  56    // create histograms on each slave server
  57    fCkovP    = new TH2F("CkovP" , "#theta_{c}, [rad];P, [GeV]", 150,   0,  7  ,100, -3, 1);
  58    fSigP     = new TH2F("SigP"  ,"#sigma_{#theta_c}"          , 150,   0,  7  ,100, 0, 1e20);
  59    fMipXY    = new TH2F("MipXY" ,"mip position"               , 260,   0,130  ,252,0,126);
  60    fDifXY    = new TH2F("DifXY" ,"diff"                       , 260, -10, 10  ,252,-10,10);
  61
  62    fProb[0] = new TH1F("PidE" ,"PID: e yellow #mu magenta"  ,100,0,1); fProb[0]->SetLineColor(kYellow);
  63    fProb[1] = new TH1F("PidMu","pid of #mu"                 ,100,0,1); fProb[1]->SetLineColor(kMagenta);
  64    fProb[2] = new TH1F("PidPi","PID: #pi red K green p blue",100,0,1); fProb[2]->SetLineColor(kRed);
  65    fProb[3] = new TH1F("PidK" ,"pid of K"                   ,100,0,1); fProb[3]->SetLineColor(kGreen);
  66    fProb[4] = new TH1F("PidP" ,"pid of p"                   ,100,0,1); fProb[4]->SetLineColor(kBlue);
  67 }
  68 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  69 void AliHMPIDSelector::Init(TTree *pTr)
  70 {
  71 // Called when the selector needs to initialize a new tree of chain. Typically here the branch addresses of the tree is set
  72 // Init() will be called many times when running with PROOF.
  73
  74   if ( !pTr )  return ;
  75   fChain = pTr ;
  76   fChain->SetBranchAddress("ESD", &fEsd) ;
  77   fChain->SetBranchStatus("*", 0);
  78   fChain->SetBranchStatus("fTracks.*", 1);
  79 }
  80 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  81 Bool_t AliHMPIDSelector::Process(Long64_t entry)
  82 {
  83   fChain->GetTree()->GetEntry(entry);
  84
  85   for(Int_t iTrk=0;iTrk<fEsd->GetNumberOfTracks();iTrk++){
  86      AliESDtrack *pTrk=fEsd->GetTrack(iTrk);
  87
  88 //     if(pTrk->GetHMPIDsignal()==-1) continue;
  89
  90      fCkovP->Fill(pTrk->GetP(),pTrk->GetHMPIDsignal()) ;
  91      fSigP ->Fill(pTrk->GetP(),TMath::Sqrt(pTrk->GetHMPIDchi2()));
  92
  93    Float_t xm,ym; Int_t q,np;  pTrk->GetHMPIDmip(xm,ym,q,np);  fMipXY->Fill(xm,ym); //mip info
  94    Float_t xd,yd,th,ph;        pTrk->GetHMPIDtrk(xd,yd,th,ph); fDifXY->Fill(xd,yd); //track info
  95
  96      Double_t pid[5];  pTrk->GetHMPIDpid(pid); for(Int_t i =0;i<5;i++) fProb[i]->Fill(pid[i]);
  97   }//tracks loop
  98
  99   return kTRUE;
 100 }//Process()
 101 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 102 void AliHMPIDSelector::SlaveTerminate()
 103 {
 104   // The SlaveTerminate() function is called after all entries or objects
 105   // have been processed. When running with PROOF SlaveTerminate() is called
 106   // on each slave server.
 107
 108   // Add the histograms to the output on each slave server
 109
 110   fOutput->Add(fCkovP);
 111   fOutput->Add(fSigP);
 112   fOutput->Add(fMipXY);
 113   fOutput->Add(fDifXY);
 114
 115   for(Int_t i=0;i<5;i++) fOutput->Add(fProb[i]);
 116 }//SlaveTerminate()
 117 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 118 void AliHMPIDSelector::Terminate()
 119 {
 120 // The last function to be called. It always runs on the client, it can be used to present
 121 // the results graphically or save the results to file.
 122   fCkovP   = dynamic_cast<TH2F*>(fOutput->FindObject("CkovP")) ;
 123   fSigP    = dynamic_cast<TH2F*>(fOutput->FindObject("SigP")) ;
 124   fMipXY   = dynamic_cast<TH2F*>(fOutput->FindObject("MipXY")) ;
 125   fDifXY   = dynamic_cast<TH2F*>(fOutput->FindObject("DifXY")) ;
 126
 127   fProb[0] = dynamic_cast<TH1F*>(fOutput->FindObject("PidE")) ;
 128   fProb[1] = dynamic_cast<TH1F*>(fOutput->FindObject("PidMu")) ;
 129   fProb[2] = dynamic_cast<TH1F*>(fOutput->FindObject("PidPi")) ;
 130   fProb[3] = dynamic_cast<TH1F*>(fOutput->FindObject("PidK")) ;
 131   fProb[4] = dynamic_cast<TH1F*>(fOutput->FindObject("PidP")) ;
 132
 133   Float_t n=1.292; //mean freon ref idx
 134   TF1 *pPi=new TF1("RiPiTheo","acos(sqrt(x*x+[0]*[0])/(x*[1]))",1.2,7); pPi->SetLineWidth(1); pPi->SetParameter(1,n);
 135   AliPID ppp;                 pPi->SetLineColor(kRed);   pPi->SetParameter(0,AliPID::ParticleMass(AliPID::kPion));    //mass
 136   TF1 *pK=(TF1*)pPi->Clone(); pK ->SetLineColor(kGreen); pK ->SetParameter(0,AliPID::ParticleMass(AliPID::kKaon));
 137   TF1 *pP=(TF1*)pPi->Clone(); pP ->SetLineColor(kBlue);  pP ->SetParameter(0,AliPID::ParticleMass(AliPID::kProton));
 138
 139   TCanvas *pC=new TCanvas("c1","ESD QA");pC->SetFillColor(10); pC->SetHighLightColor(10); pC->Divide(3,2);
 140   pC->cd(1); fCkovP->Draw(); pPi->Draw("same"); pK->Draw("same"); pP->Draw("same");   pC->cd(2); fMipXY->Draw();   pC->cd(3); fProb[0]->Draw(); fProb[1]->Draw("same");
 141   pC->cd(4); fSigP ->Draw();                                                          pC->cd(5); fDifXY->Draw();   pC->cd(6); fProb[2]->Draw(); fProb[3]->Draw("same"); fProb[4]->Draw("same");
 142 }//Terminate()
 143 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 144 void loc()
 145 {
 146   TChain* pChain =new TChain("esdTree");  pChain->Add("AliESDs.root");
 147
 148   pChain->Process("AliHMPIDSelector.C+");
 149 }
 150 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 151 void caf()
 152 {
 153   gBenchmark->Start("PRooF exec");
 154   TChain* pChain =new TChain("esdTree");
 155
 156   ifstream list; list.open("list.txt");
 157
 158   TString file;
 159   while(list.good()) {
 160     list>>file;
 161     if (!file.Contains("root")) continue; //it's wrong file name
 162     pChain->Add(file.Data());
 163   }
 164   list.close();
 165
 166   pChain->GetListOfFiles()->Print();
 167
 168   TProof *pProof=TProof::Open("kir@lxb6046.cern.ch");
 169   pProof->UploadPackage("ESD.par");
 170   pProof->EnablePackage("ESD");
 171
 172   pChain->SetProof(pProof);
 173   pChain->Process("AliHMPIDSelector.C+");
 174
 175   gBenchmark->Show("PRooF exec");
 176 }
 177 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 178 Int_t DateHeader(ifstream *pFile,Bool_t isPrint=0)
 179 {
 180   Int_t iSize=-1;
 181   pFile->read((char*)&iSize,4);
 182   if(!isPrint)
 183     pFile->seekg(16*4,ios::cur);
 184   else{
 185     Int_t w32=-1;
 186                                 Printf("");
 187                                 Printf("Event size        %i bytes",iSize);                           //1  common DATE header 17 words
 188     pFile->read((char*)&w32,4); Printf("Event magic       0x%x"    ,w32);                             //2
 189     pFile->read((char*)&w32,4); Printf("Event head size   %i bytes",w32);                             //3
 190     pFile->read((char*)&w32,4); Printf("Event version     0x%x"    ,w32);                             //4
 191     pFile->read((char*)&w32,4); Printf("Event type        %i (%s)" ,w32,(w32==7)? "physics":"SOR");   //5
 192     pFile->read((char*)&w32,4); Printf("Run number        %i"      ,w32);                             //6
 193
 194     pFile->read((char*)&w32,4); Printf("Event ID 1        %i"      ,w32);                             //7
 195     pFile->read((char*)&w32,4); Printf("Event ID 2        %i"      ,w32);                             //8
 196
 197     pFile->read((char*)&w32,4); Printf("Trigger pattern 1 %i"      ,w32);                             //9
 198     pFile->read((char*)&w32,4); Printf("Trigger pattern 2 %i"      ,w32);                             //10
 199
 200     pFile->read((char*)&w32,4); Printf("Detector pattern  %i"      ,w32);                             //11
 201
 202     pFile->read((char*)&w32,4); Printf("Type attribute 1  %i"      ,w32);                             //12
 203     pFile->read((char*)&w32,4); Printf("Type attribute 2  %i"      ,w32);                             //13
 204     pFile->read((char*)&w32,4); Printf("Type attribute 3  %i"      ,w32);                             //14
 205
 206     pFile->read((char*)&w32,4); Printf("LDC ID            %i"      ,w32);                             //15
 207     pFile->read((char*)&w32,4); Printf("GDC ID            %i"      ,w32);                             //16
 208     pFile->read((char*)&w32,4); TDatime time(w32); time.Print();                                      //17
 209
 210     Printf("");
 211   }
 212   return iSize;
 213 }
 214 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 215 void HmpidHeader(ifstream *pFile,Bool_t isPrint=kFALSE)
 216 {
 217 // Prints hmpid trailer and returns number of words for this trailer
 218   if(!isPrint) {pFile->seekg(15*4,ios::cur);return;}
 219   Int_t w32=-1;
 220   Printf("\nHMPID Header:");//private HEADER is 15 words
 221   for(Int_t i=1;i<=11;i++) { pFile->read((char*)&w32,4); Printf("Word #%2i=%12i meaningless",i,w32);}
 222                              pFile->read((char*)&w32,4); Printf("Word #12=%12i event counter",w32);
 223   for(Int_t i=13;i<=15;i++){ pFile->read((char*)&w32,4); Printf("Word #%2i=%12i empty",i,w32);}
 224 }
 225 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 226 void HmpidPayload(ifstream *pFile,Int_t iDdl,TObjArray *pDigAll)
 227 {
 228 // payload is 8 sequences with structure: WC36A8 then WC number of w32
 229
 230   TClonesArray *pDig1=(TClonesArray*)pDigAll->At(iDdl/2); //get list of digits for requested chamber
 231
 232   UInt_t w32=0;
 233   Int_t iDigCnt=pDig1->GetEntriesFast();
 234   for(Int_t row=1;row<=8;row++){
 235     pFile->read((char*)&w32,4);  Int_t wc=AliBitPacking::UnpackWord(w32,16,31); Int_t ma=AliBitPacking::UnpackWord(w32, 0,15);
 236     if(ma!=0x36a8) Printf("ERROR ERROR ERROR WRONG Marker=0x%x ERROR ERROR ERROR",ma);
 237     for(Int_t i=1;i<=wc;i++){//words loop
 238       pFile->read((char*)&w32,4);
 239       if(w32&0x08000000) continue; //it's DILOGIC CW
 240       AliHMPIDDigit *pDig=new AliHMPIDDigit;
 241       pDig->Raw(iDdl,w32);
 242       new ((*pDig1)[iDigCnt++]) AliHMPIDDigit(*pDig);
 243     }//words loop
 244   }//rows loop
 245 }//HmpidPayload()
 246 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 247 void docosmic(const char* name,Int_t iMaxEvt=9999999)
 248 {
 249   gBenchmark->Start("Cosmic converter");
 250   ifstream in(name);
 251
 252
 253   Bool_t isPrint=kFALSE;
 254
 255   TString rooName=name; rooName.Replace(1+rooName.First('.'),4,"root");
 256   Int_t ddl=0;
 257
 258   TFile *pOut=new TFile(rooName,"recreate");
 259   TTree *pTr=new TTree("cosmic","some for time being");
 260
 261
 262   TObjArray *pDigAll=new TObjArray(7); pDigAll->SetOwner(); for(Int_t i=0;i<7;i++) pDigAll->AddAt(new TClonesArray("AliHMPIDDigit")  ,i); pTr->Branch("Digs",&pDigAll,64000,0);
 263   TObjArray *pCluAll=new TObjArray(7); pCluAll->SetOwner(); for(Int_t i=0;i<7;i++) pCluAll->AddAt(new TClonesArray("AliHMPIDCluster"),i); pTr->Branch("Clus",&pCluAll,64000,0);
 264
 265   Int_t iEvt=0;
 266   while(1){
 267     Int_t iSize=DateHeader(&in,      isPrint);  if(iSize==68) continue;  //DATE header
 268     if(in.eof()) break;
 269     HmpidHeader (&in,      isPrint);    //HMPID header
 270     HmpidPayload(&in,ddl+1,pDigAll);    //HMPID payload
 271     HmpidHeader (&in,      isPrint);    //HMPID header
 272     HmpidPayload(&in,ddl  ,pDigAll);    //HMPID payload
 273
 274     AliHMPIDReconstructor::Dig2Clu(pDigAll,pCluAll);
 275     pTr->Fill();
 276     for(Int_t i=0;i<7;i++){
 277       ((TClonesArray*)pDigAll->At(i))->Clear();
 278       ((TClonesArray*)pCluAll->At(i))->Clear();
 279     }
 280
 281     if(!(iEvt%200)) Printf("Event %i processed",iEvt);
 282     iEvt++;
 283     if(iEvt==iMaxEvt) break;
 284   }//events loop
 285
 286   pTr->Write();  pOut->Close();
 287   pDigAll->Delete(); pCluAll->Delete();
 288   in.close();
 289
 290   Printf("Total %i events processed",iEvt);
 291   gBenchmark->Show("Cosmic converter");
 292 }//docosmic()
 293 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 294 void cosmic()
 295 {
 296   TChain *pCh=new TChain("cosmic");  pCh->Add("test.root");
 297
 298
 299   TH1F *pDigQ=new TH1F("digQ","Digits QDC",500,0,4100);
 300   TH1F *pDigO=new TH1F("digO","Digits # per event",500,0,8000);
 301   TH2F *pDigM=new TH2F("digM","Digits map",500,0,131,500,0,127);
 302
 303   TH1F *pCluQ   =new TH1F("cluQ","Clusters QDC",500,0,12100);
 304   TH1F *pCluQmax=new TH1F("cluQmax","Clusters Max QDC",500,0,12100); pCluQmax->SetLineColor(kRed);
 305   TH1F *pCluO=new TH1F("cluO","Clusters # per event",500,0,5000);
 306   TH2F *pCluM=new TH2F("cluM","Clusters map",500,0,131,500,0,127);
 307
 308   TObjArray *pDigAll=0; pCh->SetBranchAddress("Digs",&pDigAll);
 309   TObjArray *pCluAll=0; pCh->SetBranchAddress("Clus",&pCluAll);
 310
 311
 312   for(Int_t iEvt=0;iEvt<pCh->GetEntries();iEvt++){
 313     pCh->GetEntry(iEvt);
 314
 315     TClonesArray *pDigCh=(TClonesArray*)pDigAll->At(0);
 316     TClonesArray *pCluCh=(TClonesArray*)pCluAll->At(0);
 317     pDigO->Fill(pDigCh->GetEntriesFast());
 318     pCluO->Fill(pCluCh->GetEntriesFast());
 319
 320     for(Int_t iDig=0;iDig<pDigCh->GetEntriesFast();iDig++){//digits loop
 321       AliHMPIDDigit *pDig=(AliHMPIDDigit*)pDigCh->UncheckedAt(iDig);
 322       pDigQ->Fill(pDig->Q());
 323       pDigM->Fill(pDig->LorsX(),pDig->LorsY());
 324     }//digits loop
 325     Float_t qmax=0;
 326     for(Int_t iClu=0;iClu<pCluCh->GetEntriesFast();iClu++){//clusters loop
 327       AliHMPIDCluster *pClu=(AliHMPIDCluster*)pCluCh->UncheckedAt(iClu);
 328       pCluQ->Fill(pClu->Q());
 329       if(pClu->Q()>qmax) qmax=pClu->Q();
 330       pCluM->Fill(pClu->X(),pClu->Y());
 331     }//digits loop
 332     pCluQmax->Fill(qmax);
 333   }//entries loop
 334
 335   TCanvas *pC=new TCanvas("comic","cosmic"); pC->Divide(2,3);
 336
 337   pC->cd(1); pDigM->Draw(); pC->cd(2); pCluM->Draw();
 338   pC->cd(3); gPad->SetLogy(); pDigQ->Draw(); pC->cd(4); gPad->SetLogy(); pCluQ->Draw(); pCluQmax->Draw("same");
 339   pC->cd(5); gPad->SetLogy(); pDigO->Draw(); pC->cd(6); gPad->SetLogy(); pCluO->Draw();
 340 }//cosmic()
 341 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++