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 <AliSelector.h>      //base class
   8 #include <AliESD.h>
   9 #include <AliBitPacking.h> //HmpidPayload()
  10 #include "AliHMPIDDigit.h"
  11 #include "AliHMPIDCluster.h"
  12 #include "AliHMPIDReconstructor.h" //docosmic()
  13
  14 class AliHMPIDSelector : public AliSelector {
  15  public :
  16            AliHMPIDSelector():AliSelector(),fChain(0),fEsd(0),fCkovP(0),fMipXY(0),fDifX(0),fSigP(0) {for(Int_t i=0;i<5;i++) fProb[i]=0;}
  17   virtual ~AliHMPIDSelector()                                                                      {delete fEsd;}
  18
  19
  20   virtual Int_t   Version        () const {return 2;}
  21   virtual void    Begin          (TTree *) {}
  22   virtual void    SlaveBegin     (TTree *tree);
  23   virtual void    Init           (TTree *tree);
  24   virtual Bool_t  Notify         ()    {return kTRUE;}
  25   virtual Bool_t  Process        (Long64_t entry);
  26   virtual void    SetOption      (const char *option) { fOption = option; }
  27   virtual void    SetObject      (TObject *obj) { fObject = obj; }
  28   virtual void    SetInputList   (TList *input) {fInput = input;}
  29   virtual TList  *GetOutputList  () const { return fOutput; }
  30   virtual void    SlaveTerminate ();
  31   virtual void    Terminate      ();
  32
  33  private:
  34   TTree          *fChain ;   //!pointer to the analyzed TTree or TChain
  35   AliESD         *fEsd ;     //!
  36
  37   TH2F           *fCkovP,*fMipXY;                //!
  38   TH1F           *fDifX;                         //!
  39   TH2F           *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  ,500, 0, 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    fDifX     = new TH1F("DifX" ,"diff"                       , 200, -5, 5);
  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); fDifX->Fill(xd-xm); //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(fDifX);
 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   fDifX    = dynamic_cast<TH1F*>(fOutput->FindObject("DifX")) ;
 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); fDifX->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 Int_t DateHeader(ifstream *pFile,Bool_t isPrint=0)
 152 {
 153   Int_t iSize=-1;
 154   pFile->read((char*)&iSize,4);
 155   if(!isPrint)
 156     pFile->seekg(16*4,ios::cur);
 157   else{
 158     Int_t w32=-1;
 159                                 Printf("");
 160                                 Printf("Event size        %i bytes",iSize);                           //1  common DATE header 17 words
 161     pFile->read((char*)&w32,4); Printf("Event magic       0x%x"    ,w32);                             //2
 162     pFile->read((char*)&w32,4); Printf("Event head size   %i bytes",w32);                             //3
 163     pFile->read((char*)&w32,4); Printf("Event version     0x%x"    ,w32);                             //4
 164     pFile->read((char*)&w32,4); Printf("Event type        %i (%s)" ,w32,(w32==7)? "physics":"SOR");   //5
 165     pFile->read((char*)&w32,4); Printf("Run number        %i"      ,w32);                             //6
 166
 167     pFile->read((char*)&w32,4); Printf("Event ID 1        %i"      ,w32);                             //7
 168     pFile->read((char*)&w32,4); Printf("Event ID 2        %i"      ,w32);                             //8
 169
 170     pFile->read((char*)&w32,4); Printf("Trigger pattern 1 %i"      ,w32);                             //9
 171     pFile->read((char*)&w32,4); Printf("Trigger pattern 2 %i"      ,w32);                             //10
 172
 173     pFile->read((char*)&w32,4); Printf("Detector pattern  %i"      ,w32);                             //11
 174
 175     pFile->read((char*)&w32,4); Printf("Type attribute 1  %i"      ,w32);                             //12
 176     pFile->read((char*)&w32,4); Printf("Type attribute 2  %i"      ,w32);                             //13
 177     pFile->read((char*)&w32,4); Printf("Type attribute 3  %i"      ,w32);                             //14
 178
 179     pFile->read((char*)&w32,4); Printf("LDC ID            %i"      ,w32);                             //15
 180     pFile->read((char*)&w32,4); Printf("GDC ID            %i"      ,w32);                             //16
 181     pFile->read((char*)&w32,4); TDatime time(w32); time.Print();                                      //17
 182
 183     Printf("");
 184   }
 185   return iSize;
 186 }
 187 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 188 void HmpidHeader(ifstream *pFile,Bool_t isPrint=kFALSE)
 189 {
 190 // Prints hmpid trailer and returns number of words for this trailer
 191   if(!isPrint) {pFile->seekg(15*4,ios::cur);return;}
 192   Int_t w32=-1;
 193   Printf("\nHMPID Header:");//private HEADER is 15 words
 194   for(Int_t i=1;i<=11;i++) { pFile->read((char*)&w32,4); Printf("Word #%2i=%12i meaningless",i,w32);}
 195                              pFile->read((char*)&w32,4); Printf("Word #12=%12i event counter",w32);
 196   for(Int_t i=13;i<=15;i++){ pFile->read((char*)&w32,4); Printf("Word #%2i=%12i empty",i,w32);}
 197 }
 198 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 199 void HmpidPayload(ifstream *pFile,Int_t iDdl,TObjArray *pDigAll)
 200 {
 201 // payload is 8 sequences with structure: WC36A8 then WC number of w32
 202
 203   TClonesArray *pDig1=(TClonesArray*)pDigAll->At(iDdl/2); //get list of digits for requested chamber
 204
 205   UInt_t w32=0;
 206   Int_t iDigCnt=pDig1->GetEntriesFast();
 207   for(Int_t row=1;row<=8;row++){
 208     pFile->read((char*)&w32,4);  Int_t wc=AliBitPacking::UnpackWord(w32,16,31); Int_t ma=AliBitPacking::UnpackWord(w32, 0,15);
 209     if(ma!=0x36a8) Printf("ERROR ERROR ERROR WRONG Marker=0x%x ERROR ERROR ERROR",ma);
 210     for(Int_t i=1;i<=wc;i++){//words loop
 211       pFile->read((char*)&w32,4);
 212       if(w32&0x08000000) continue; //it's DILOGIC CW
 213       AliHMPIDDigit *pDig=new AliHMPIDDigit;
 214       pDig->Raw(iDdl,w32);
 215       new ((*pDig1)[iDigCnt++]) AliHMPIDDigit(*pDig);
 216     }//words loop
 217   }//rows loop
 218 }//HmpidPayload()
 219 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 220 void docosmic(const char* name,Int_t iMaxEvt=9999999)
 221 {
 222   gBenchmark->Start("Cosmic converter");
 223   ifstream in(name);
 224
 225
 226   Bool_t isPrint=kFALSE;
 227
 228   TString rooName=name; rooName.Replace(1+rooName.First('.'),4,"root");
 229   Int_t ddl=0;
 230
 231   TFile *pOut=new TFile(rooName,"recreate");
 232   TTree *pTr=new TTree("cosmic","some for time being");
 233
 234
 235   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);
 236   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);
 237
 238   Int_t iEvt=0;
 239   while(1){
 240     Int_t iSize=DateHeader(&in,      isPrint);  if(iSize==68) continue;  //DATE header
 241     if(in.eof()) break;
 242     HmpidHeader (&in,      isPrint);    //HMPID header
 243     HmpidPayload(&in,ddl+1,pDigAll);    //HMPID payload
 244     HmpidHeader (&in,      isPrint);    //HMPID header
 245     HmpidPayload(&in,ddl  ,pDigAll);    //HMPID payload
 246
 247     AliHMPIDReconstructor::Dig2Clu(pDigAll,pCluAll);
 248     pTr->Fill();
 249     for(Int_t i=0;i<7;i++){
 250       ((TClonesArray*)pDigAll->At(i))->Clear();
 251       ((TClonesArray*)pCluAll->At(i))->Clear();
 252     }
 253
 254     if(!(iEvt%200)) Printf("Event %i processed",iEvt);
 255     iEvt++;
 256     if(iEvt==iMaxEvt) break;
 257   }//events loop
 258
 259   pTr->Write();  pOut->Close();
 260   pDigAll->Delete(); pCluAll->Delete();
 261   in.close();
 262
 263   Printf("Total %i events processed",iEvt);
 264   gBenchmark->Show("Cosmic converter");
 265 }//docosmic()
 266 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 267 void cosmic()
 268 {
 269   TChain *pCh=new TChain("cosmic");  pCh->Add("test.root");
 270
 271
 272   TH1F *pDigQ=new TH1F("digQ","Digits QDC",500,0,4100);
 273   TH1F *pDigO=new TH1F("digO","Digits # per event",500,0,8000);
 274   TH2F *pDigM=new TH2F("digM","Digits map",500,0,131,500,0,127);
 275
 276   TH1F *pCluQ   =new TH1F("cluQ","Clusters QDC",500,0,12100);
 277   TH1F *pCluQmax=new TH1F("cluQmax","Clusters Max QDC",500,0,12100); pCluQmax->SetLineColor(kRed);
 278   TH1F *pCluO=new TH1F("cluO","Clusters # per event",500,0,5000);
 279   TH2F *pCluM=new TH2F("cluM","Clusters map",500,0,131,500,0,127);
 280
 281   TObjArray *pDigAll=0; pCh->SetBranchAddress("Digs",&pDigAll);
 282   TObjArray *pCluAll=0; pCh->SetBranchAddress("Clus",&pCluAll);
 283
 284
 285   for(Int_t iEvt=0;iEvt<pCh->GetEntries();iEvt++){
 286     pCh->GetEntry(iEvt);
 287
 288     TClonesArray *pDigCh=(TClonesArray*)pDigAll->At(0);
 289     TClonesArray *pCluCh=(TClonesArray*)pCluAll->At(0);
 290     pDigO->Fill(pDigCh->GetEntriesFast());
 291     pCluO->Fill(pCluCh->GetEntriesFast());
 292
 293     for(Int_t iDig=0;iDig<pDigCh->GetEntriesFast();iDig++){//digits loop
 294       AliHMPIDDigit *pDig=(AliHMPIDDigit*)pDigCh->UncheckedAt(iDig);
 295       pDigQ->Fill(pDig->Q());
 296       pDigM->Fill(pDig->LorsX(),pDig->LorsY());
 297     }//digits loop
 298     Float_t qmax=0;
 299     for(Int_t iClu=0;iClu<pCluCh->GetEntriesFast();iClu++){//clusters loop
 300       AliHMPIDCluster *pClu=(AliHMPIDCluster*)pCluCh->UncheckedAt(iClu);
 301       pCluQ->Fill(pClu->Q());
 302       if(pClu->Q()>qmax) qmax=pClu->Q();
 303       pCluM->Fill(pClu->X(),pClu->Y());
 304     }//digits loop
 305     pCluQmax->Fill(qmax);
 306   }//entries loop
 307
 308   TCanvas *pC=new TCanvas("comic","cosmic"); pC->Divide(2,3);
 309
 310   pC->cd(1); pDigM->Draw(); pC->cd(2); pCluM->Draw();
 311   pC->cd(3); gPad->SetLogy(); pDigQ->Draw(); pC->cd(4); gPad->SetLogy(); pCluQ->Draw(); pCluQmax->Draw("same");
 312   pC->cd(5); gPad->SetLogy(); pDigO->Draw(); pC->cd(6); gPad->SetLogy(); pCluO->Draw();
 313 }//cosmic()
 314 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++