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
  84   fChain->GetTree()->GetEntry(entry);
  85
  86   for(Int_t iTrk=0;iTrk<fEsd->GetNumberOfTracks();iTrk++){
  87      AliESDtrack *pTrk=fEsd->GetTrack(iTrk);
  88
  89 //     if(pTrk->GetHMPIDsignal()<0) continue;
  90
  91      fCkovP->Fill(pTrk->GetP(),pTrk->GetHMPIDsignal()) ;
  92      fSigP ->Fill(pTrk->GetP(),TMath::Sqrt(pTrk->GetHMPIDchi2()));
  93
  94 //   Float_t xm,ym; Int_t q,np;  pTrk->GetHMPIDmip(xm,ym,q,np);  fMipXY->Fill(xm,ym); //mip info
  95 //   Float_t xd,yd,th,ph;        pTrk->GetHMPIDtrk(xd,yd,th,ph); fDifXY->Fill(xd,yd); //track info
  96
  97      Double_t pid[5];  pTrk->GetHMPIDpid(pid); for(Int_t i =0;i<5;i++) fProb[i]->Fill(pid[i]);
  98   }//tracks loop
  99
 100   return kTRUE;
 101 }//Process()
 102 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 103 void AliHMPIDSelector::SlaveTerminate()
 104 {
 105   // The SlaveTerminate() function is called after all entries or objects
 106   // have been processed. When running with PROOF SlaveTerminate() is called
 107   // on each slave server.
 108
 109   // Add the histograms to the output on each slave server
 110
 111   fOutput->Add(fCkovP);
 112   fOutput->Add(fSigP);
 113   fOutput->Add(fMipXY);
 114   fOutput->Add(fDifXY);
 115
 116   for(Int_t i=0;i<5;i++) fOutput->Add(fProb[i]);
 117 }//SlaveTerminate()
 118 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 119 void AliHMPIDSelector::Terminate()
 120 {
 121 // The last function to be called. It always runs on the client, it can be used to present
 122 // the results graphically or save the results to file.
 123   fCkovP   = dynamic_cast<TH2F*>(fOutput->FindObject("CkovP")) ;
 124   fSigP    = dynamic_cast<TH2F*>(fOutput->FindObject("SigP")) ;
 125   fMipXY   = dynamic_cast<TH2F*>(fOutput->FindObject("MipXY")) ;
 126   fDifXY   = dynamic_cast<TH2F*>(fOutput->FindObject("DifXY")) ;
 127
 128   fProb[0] = dynamic_cast<TH1F*>(fOutput->FindObject("PidE")) ;
 129   fProb[1] = dynamic_cast<TH1F*>(fOutput->FindObject("PidMu")) ;
 130   fProb[2] = dynamic_cast<TH1F*>(fOutput->FindObject("PidPi")) ;
 131   fProb[3] = dynamic_cast<TH1F*>(fOutput->FindObject("PidK")) ;
 132   fProb[4] = dynamic_cast<TH1F*>(fOutput->FindObject("PidP")) ;
 133
 134   Float_t n=1.292; //mean freon ref idx
 135   TF1 *pPi=new TF1("RiPiTheo","acos(sqrt(x*x+[0]*[0])/(x*[1]))",1.2,7); pPi->SetLineWidth(1); pPi->SetParameter(1,n);
 136   AliPID ppp;                 pPi->SetLineColor(kRed);   pPi->SetParameter(0,AliPID::ParticleMass(AliPID::kPion));    //mass
 137   TF1 *pK=(TF1*)pPi->Clone(); pK ->SetLineColor(kGreen); pK ->SetParameter(0,AliPID::ParticleMass(AliPID::kKaon));
 138   TF1 *pP=(TF1*)pPi->Clone(); pP ->SetLineColor(kBlue);  pP ->SetParameter(0,AliPID::ParticleMass(AliPID::kProton));
 139
 140   TCanvas *pC=new TCanvas("c1","ESD QA");pC->SetFillColor(10); pC->SetHighLightColor(10); pC->Divide(3,2);
 141   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");
 142   pC->cd(4); fSigP ->Draw();                                                          pC->cd(5); fDifXY->Draw();   pC->cd(6); fProb[2]->Draw(); fProb[3]->Draw("same"); fProb[4]->Draw("same");
 143 }//Terminate()
 144 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 145 void loc()
 146 {
 147   TChain* pChain =new TChain("esdTree");  pChain->Add("AliESDs.root");
 148
 149   pChain->Process("AliHMPIDSelector.C+");
 150 }
 151 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 152 void caf()
 153 {
 154   gBenchmark->Start("PRooF exec");
 155   TChain* pChain =new TChain("esdTree");
 156
 157   ifstream list; list.open("list.txt");
 158
 159   TString file;
 160   while(list.good()) {
 161     list>>file;
 162     if (!file.Contains("root")) continue; //it's wrong file name
 163     pChain->Add(file.Data());
 164   }
 165   list.close();
 166
 167   pChain->GetListOfFiles()->Print();
 168
 169   TProof *pProof=TProof::Open("kir@lxb6046.cern.ch");
 170   pProof->UploadPackage("ESD.par");
 171   pProof->EnablePackage("ESD");
 172
 173   pChain->SetProof(pProof);
 174   pChain->Process("AliHMPIDSelector.C+");
 175
 176   gBenchmark->Show("PRooF exec");
 177 }
 178 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 179 Int_t DateHeader(ifstream *pFile,Bool_t isPrint=0)
 180 {
 181   Int_t iSize=-1;
 182   pFile->read((char*)&iSize,4);
 183   if(!isPrint)
 184     pFile->seekg(16*4,ios::cur);
 185   else{
 186     Int_t w32=-1;
 187                                 Printf("");
 188                                 Printf("Event size        %i bytes",iSize);                           //1  common DATE header 17 words
 189     pFile->read((char*)&w32,4); Printf("Event magic       0x%x"    ,w32);                             //2
 190     pFile->read((char*)&w32,4); Printf("Event head size   %i bytes",w32);                             //3
 191     pFile->read((char*)&w32,4); Printf("Event version     0x%x"    ,w32);                             //4
 192     pFile->read((char*)&w32,4); Printf("Event type        %i (%s)" ,w32,(w32==7)? "physics":"SOR");   //5
 193     pFile->read((char*)&w32,4); Printf("Run number        %i"      ,w32);                             //6
 194
 195     pFile->read((char*)&w32,4); Printf("Event ID 1        %i"      ,w32);                             //7
 196     pFile->read((char*)&w32,4); Printf("Event ID 2        %i"      ,w32);                             //8
 197
 198     pFile->read((char*)&w32,4); Printf("Trigger pattern 1 %i"      ,w32);                             //9
 199     pFile->read((char*)&w32,4); Printf("Trigger pattern 2 %i"      ,w32);                             //10
 200
 201     pFile->read((char*)&w32,4); Printf("Detector pattern  %i"      ,w32);                             //11
 202
 203     pFile->read((char*)&w32,4); Printf("Type attribute 1  %i"      ,w32);                             //12
 204     pFile->read((char*)&w32,4); Printf("Type attribute 2  %i"      ,w32);                             //13
 205     pFile->read((char*)&w32,4); Printf("Type attribute 3  %i"      ,w32);                             //14
 206
 207     pFile->read((char*)&w32,4); Printf("LDC ID            %i"      ,w32);                             //15
 208     pFile->read((char*)&w32,4); Printf("GDC ID            %i"      ,w32);                             //16
 209     pFile->read((char*)&w32,4); TDatime time(w32); time.Print();                                      //17
 210
 211     Printf("");
 212   }
 213   return iSize;
 214 }
 215 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 216 void HmpidHeader(ifstream *pFile,Bool_t isPrint=kFALSE)
 217 {
 218 // Prints hmpid trailer and returns number of words for this trailer
 219   if(!isPrint) {pFile->seekg(15*4,ios::cur);return;}
 220   Int_t w32=-1;
 221   Printf("\nHMPID Header:");//private HEADER is 15 words
 222   for(Int_t i=1;i<=11;i++) { pFile->read((char*)&w32,4); Printf("Word #%2i=%12i meaningless",i,w32);}
 223                              pFile->read((char*)&w32,4); Printf("Word #12=%12i event counter",w32);
 224   for(Int_t i=13;i<=15;i++){ pFile->read((char*)&w32,4); Printf("Word #%2i=%12i empty",i,w32);}
 225 }
 226 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 227 void HmpidPayload(ifstream *pFile,Int_t iDdl,TObjArray *pDigAll)
 228 {
 229 // payload is 8 sequences with structure: WC36A8 then WC number of w32
 230
 231   TClonesArray *pDig1=(TClonesArray*)pDigAll->At(iDdl/2); //get list of digits for requested chamber
 232
 233   UInt_t w32=0;
 234   Int_t iDigCnt=pDig1->GetEntriesFast();
 235   for(Int_t row=1;row<=8;row++){
 236     pFile->read((char*)&w32,4);  Int_t wc=AliBitPacking::UnpackWord(w32,16,31); Int_t ma=AliBitPacking::UnpackWord(w32, 0,15);
 237     if(ma!=0x36a8) Printf("ERROR ERROR ERROR WRONG Marker=0x%x ERROR ERROR ERROR",ma);
 238     for(Int_t i=1;i<=wc;i++){//words loop
 239       pFile->read((char*)&w32,4);
 240       if(w32&0x08000000) continue; //it's DILOGIC CW
 241       AliHMPIDDigit *pDig=new AliHMPIDDigit;
 242       pDig->Raw(iDdl,w32);
 243       new ((*pDig1)[iDigCnt++]) AliHMPIDDigit(*pDig);
 244     }//words loop
 245   }//rows loop
 246 }//HmpidPayload()
 247 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 248 void docosmic(const char* name,Int_t iMaxEvt=9999999)
 249 {
 250   gBenchmark->Start("Cosmic converter");
 251   ifstream in(name);
 252
 253
 254   Bool_t isPrint=kFALSE;
 255
 256   TString rooName=name; rooName.Replace(1+rooName.First('.'),4,"root");
 257   Int_t ddl=0;
 258
 259   TFile *pOut=new TFile(rooName,"recreate");
 260   TTree *pTr=new TTree("cosmic","some for time being");
 261
 262
 263   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);
 264   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);
 265
 266   Int_t iEvt=0;
 267   while(1){
 268     Int_t iSize=DateHeader(&in,      isPrint);  if(iSize==68) continue;  //DATE header
 269     if(in.eof()) break;
 270     HmpidHeader (&in,      isPrint);    //HMPID header
 271     HmpidPayload(&in,ddl+1,pDigAll);    //HMPID payload
 272     HmpidHeader (&in,      isPrint);    //HMPID header
 273     HmpidPayload(&in,ddl  ,pDigAll);    //HMPID payload
 274
 275     AliHMPIDReconstructor::Dig2Clu(pDigAll,pCluAll);
 276     pTr->Fill();
 277     for(Int_t i=0;i<7;i++){
 278       ((TClonesArray*)pDigAll->At(i))->Clear();
 279       ((TClonesArray*)pCluAll->At(i))->Clear();
 280     }
 281
 282     if(!(iEvt%200)) Printf("Event %i processed",iEvt);
 283     iEvt++;
 284     if(iEvt==iMaxEvt) break;
 285   }//events loop
 286
 287   pTr->Write();  pOut->Close();
 288   pDigAll->Delete(); pCluAll->Delete();
 289   in.close();
 290
 291   Printf("Total %i events processed",iEvt);
 292   gBenchmark->Show("Cosmic converter");
 293 }//docosmic()
 294 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 295 void cosmic()
 296 {
 297   TChain *pCh=new TChain("cosmic");  pCh->Add("test.root");
 298
 299
 300   TH1F *pDigQ=new TH1F("digQ","Digits QDC",500,0,4100);
 301   TH1F *pDigO=new TH1F("digO","Digits # per event",500,0,8000);
 302   TH2F *pDigM=new TH2F("digM","Digits map",500,0,131,500,0,127);
 303
 304   TH1F *pCluQ   =new TH1F("cluQ","Clusters QDC",500,0,12100);
 305   TH1F *pCluQmax=new TH1F("cluQmax","Clusters Max QDC",500,0,12100); pCluQmax->SetLineColor(kRed);
 306   TH1F *pCluO=new TH1F("cluO","Clusters # per event",500,0,5000);
 307   TH2F *pCluM=new TH2F("cluM","Clusters map",500,0,131,500,0,127);
 308
 309   TObjArray *pDigAll=0; pCh->SetBranchAddress("Digs",&pDigAll);
 310   TObjArray *pCluAll=0; pCh->SetBranchAddress("Clus",&pCluAll);
 311
 312
 313   for(Int_t iEvt=0;iEvt<pCh->GetEntries();iEvt++){
 314     pCh->GetEntry(iEvt);
 315
 316     TClonesArray *pDigCh=(TClonesArray*)pDigAll->At(0);
 317     TClonesArray *pCluCh=(TClonesArray*)pCluAll->At(0);
 318     pDigO->Fill(pDigCh->GetEntriesFast());
 319     pCluO->Fill(pCluCh->GetEntriesFast());
 320
 321     for(Int_t iDig=0;iDig<pDigCh->GetEntriesFast();iDig++){//digits loop
 322       AliHMPIDDigit *pDig=(AliHMPIDDigit*)pDigCh->UncheckedAt(iDig);
 323       pDigQ->Fill(pDig->Q());
 324       pDigM->Fill(pDig->LorsX(),pDig->LorsY());
 325     }//digits loop
 326     Float_t qmax=0;
 327     for(Int_t iClu=0;iClu<pCluCh->GetEntriesFast();iClu++){//clusters loop
 328       AliHMPIDCluster *pClu=(AliHMPIDCluster*)pCluCh->UncheckedAt(iClu);
 329       pCluQ->Fill(pClu->Q());
 330       if(pClu->Q()>qmax) qmax=pClu->Q();
 331       pCluM->Fill(pClu->X(),pClu->Y());
 332     }//digits loop
 333     pCluQmax->Fill(qmax);
 334   }//entries loop
 335
 336   TCanvas *pC=new TCanvas("comic","cosmic"); pC->Divide(2,3);
 337
 338   pC->cd(1); pDigM->Draw(); pC->cd(2); pCluM->Draw();
 339   pC->cd(3); gPad->SetLogy(); pDigQ->Draw(); pC->cd(4); gPad->SetLogy(); pCluQ->Draw(); pCluQmax->Draw("same");
 340   pC->cd(5); gPad->SetLogy(); pDigO->Draw(); pC->cd(6); gPad->SetLogy(); pCluO->Draw();
 341 }//cosmic()
 342 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++