[u/mrichter/AliRoot.git] / TPC / AliTPCComparison.C

#ifndef __CINT__
  #include "alles.h"
#endif

struct GoodTrack {
  Int_t lab;
  Int_t code;
  Float_t px,py,pz;
  Float_t x,y,z;
};
Int_t good_tracks(GoodTrack *gt, Int_t max);

Int_t AliTPCComparison() {
  Int_t i;
   gBenchmark->Start("AliTPCComparison");

   TFile *cf=TFile::Open("AliTPCclusters.root");
   if (!cf->IsOpen()) {cerr<<"Can't open AliTPCclusters.root !\n"; return 1;}
   AliTPCParam *digp= (AliTPCParam*)cf->Get("75x40_100x60");
   if (!digp) { cerr<<"TPC parameters have not been found !\n"; return 2; }

// Load clusters
   AliTPCClustersArray *ca=new AliTPCClustersArray;
   ca->Setup(digp);
   ca->SetClusterType("AliTPCcluster");
   ca->ConnectTree("Segment Tree");
   Int_t nentr=Int_t(ca->GetTree()->GetEntries());
   for (i=0; i<nentr; i++) ca->LoadEntry(i);

// Load tracks
   TFile *tf=TFile::Open("AliTPCtracks.root");
   if (!tf->IsOpen()) {cerr<<"Can't open AliTPCtracks.root !\n"; return 3;}
   TObjArray tarray(2000);
   TTree *tracktree=(TTree*)tf->Get("TreeT");
   TBranch *tbranch=tracktree->GetBranch("tracks");
   nentr=(Int_t)tracktree->GetEntries();
   
   AliTPCtrack *iotrack=0;
   for (i=0; i<nentr; i++) {
       iotrack=new AliTPCtrack;
       tbranch->SetAddress(&iotrack);
       tracktree->GetEvent(i);
       iotrack->CookLabel(ca);
       tarray.AddLast(iotrack);
   }   
   tf->Close();

   delete ca;
   cf->Close();

/////////////////////////////////////////////////////////////////////////
   GoodTrack gt[15000];
   Int_t ngood=0;
   ifstream in("good_tracks_tpc");
   if (in) {
      cerr<<"Reading good tracks...\n";
      while (in>>gt[ngood].lab>>gt[ngood].code>>
                 gt[ngood].px>>gt[ngood].py>>gt[ngood].pz>>
                 gt[ngood].x >>gt[ngood].y >>gt[ngood].z) {
         ngood++;
         cerr<<ngood<<'\r';
         if (ngood==15000) {
            cerr<<"Too many good tracks !\n";
            break;
         }
      }
      if (!in.eof()) cerr<<"Read error (good_tracks_tpc) !\n";
   } else {
      cerr<<"Marking good tracks (this will take a while)...\n";
      ngood=good_tracks(gt,15000);
      ofstream out("good_tracks_tpc");
      if (out) {
         for (Int_t ngd=0; ngd<ngood; ngd++)            
	    out<<gt[ngd].lab<<' '<<gt[ngd].code<<' '<<
                 gt[ngd].px<<' '<<gt[ngd].py<<' '<<gt[ngd].pz<<' '<<
                 gt[ngd].x <<' '<<gt[ngd].y <<' '<<gt[ngd].z <<endl;
      } else cerr<<"Can not open file (good_tracks_tpc) !\n";
      out.close();

      cerr<<"Preparing tracks for matching with the ITS...\n";
      tarray.Sort();
      tf=TFile::Open("AliTPCtracks.root","recreate");
      tracktree=new TTree("TreeT","Tree with TPC tracks");
      tracktree->Branch("tracks","AliTPCtrack",&iotrack,32000,0);
      for (i=0; i<nentr; i++) {
          iotrack=(AliTPCtrack*)tarray.UncheckedAt(i);
          tracktree->Fill();
      }
      tracktree->Write();
      tf->Close();

   }
   cerr<<"Number of good tracks : "<<ngood<<endl;

   cerr<<"Doing comparison...\n";
   TH1F *hp=new TH1F("hp","PHI resolution",50,-20.,20.); hp->SetFillColor(4);
   TH1F *hl=new TH1F("hl","LAMBDA resolution",50,-20,20);hl->SetFillColor(4);
   TH1F *hpt=new TH1F("hpt","Relative Pt resolution",30,-10.,10.); 
   hpt->SetFillColor(2); 
   TH1F *hmpt=new TH1F("hmpt","Relative Pt resolution (pt>4GeV/c)",30,-60,60); 
   hmpt->SetFillColor(6);

   TH1F *hgood=new TH1F("hgood","Good tracks",30,0.1,6.1);    
   TH1F *hfound=new TH1F("hfound","Found tracks",30,0.1,6.1);
   TH1F *hfake=new TH1F("hfake","Fake tracks",30,0.1,6.1);
   TH1F *hg=new TH1F("hg","",30,0.1,6.1); //efficiency for good tracks
   hg->SetLineColor(4); hg->SetLineWidth(2);
   TH1F *hf=new TH1F("hf","Efficiency for fake tracks",30,0.1,6.1);
   hf->SetFillColor(1); hf->SetFillStyle(3013); hf->SetLineWidth(2);

   TH1F *he =new TH1F("he","dE/dX for pions with 0.4<p<0.5 GeV/c",50,0.,100.);
   TH2F *hep=new TH2F("hep","dE/dX vs momentum",50,0.,2.,50,0.,200.);
   hep->SetMarkerStyle(8);
   hep->SetMarkerSize(0.4);

   Int_t mingood = ngood;  //MI change
   Int_t * track_notfound = new Int_t[ngood];
   Int_t   itrack_notfound =0;
   Int_t * track_fake  = new Int_t[ngood];
   Int_t   itrack_fake = 0;
   Int_t * track_multifound = new Int_t[ngood];
   Int_t * track_multifound_n = new Int_t[ngood];
   Int_t   itrack_multifound =0;

   while (ngood--) {
      Int_t lab=gt[ngood].lab,tlab=-1;
      Float_t ptg=
      TMath::Sqrt(gt[ngood].px*gt[ngood].px + gt[ngood].py*gt[ngood].py);

      hgood->Fill(ptg);

      AliTPCtrack *track=0;
      for (i=0; i<nentr; i++) {
          track=(AliTPCtrack*)tarray.UncheckedAt(i);
          tlab=track->GetLabel();
          if (lab==TMath::Abs(tlab)) break;
      }
      if (i==nentr) {
	//cerr<<"Track "<<lab<<" was not found !\n";
	track_notfound[itrack_notfound++]=lab;
        continue;
      }
      
      //MI change  - addition
      Int_t micount=0;
      Int_t mi;
      AliTPCtrack * mitrack;
      for (mi=0; mi<nentr; mi++) {
	mitrack=(AliTPCtrack*)tarray.UncheckedAt(mi);          
	if (lab==TMath::Abs(mitrack->GetLabel())) micount++;
      }
      if (micount>1) {
	//cout<<"Track no. "<<lab<<" found "<<micount<<"  times\n";
	track_multifound[itrack_multifound]=lab;
	track_multifound_n[itrack_multifound]=micount;
	itrack_multifound++;
      }
      

      //
      Double_t xk=gt[ngood].x;//digp->GetPadRowRadii(0,0);
      track->PropagateTo(xk);

      if (lab==tlab) hfound->Fill(ptg);
      else { 
	track_fake[itrack_fake++]=lab;
	hfake->Fill(ptg); 
	//cerr<<lab<<" fake\n";
      }

      Double_t par[5]; track->GetExternalParameters(xk,par);
      Float_t phi=TMath::ASin(par[2]) + track->GetAlpha();
      if (phi<-TMath::Pi()) phi+=2*TMath::Pi();
      if (phi>=TMath::Pi()) phi-=2*TMath::Pi();
      Float_t lam=TMath::ATan(par[3]); 
      Float_t pt_1=TMath::Abs(par[4]);

      if (TMath::Abs(gt[ngood].code)==11 && ptg>4.) {
         hmpt->Fill((pt_1 - 1/ptg)/(1/ptg)*100.);
      } else {
         Float_t phig=TMath::ATan2(gt[ngood].py,gt[ngood].px);
         hp->Fill((phi - phig)*1000.);

         Float_t lamg=TMath::ATan2(gt[ngood].pz,ptg);
         hl->Fill((lam - lamg)*1000.);

         hpt->Fill((pt_1 - 1/ptg)/(1/ptg)*100.);
      }

      Float_t mom=1./(pt_1*TMath::Cos(lam));
      Float_t dedx=track->GetdEdx();
      hep->Fill(mom,dedx,1.);
      if (TMath::Abs(gt[ngood].code)==211)
	 if (mom>0.4 && mom<0.5) {
            he->Fill(dedx,1.);
         }

   }

   
   Stat_t ng=hgood->GetEntries(); cerr<<"Good tracks "<<ng<<endl;
   Stat_t nf=hfound->GetEntries();
   if (ng!=0) 
      cerr<<"\n\n\nIntegral efficiency is about "<<nf/ng*100.<<" %\n";
   
   //MI change  - addition
   cout<<"Total number of found tracks ="<<nentr<<"\n";
   cout<<"Total number of \"good\" tracks ="<<mingood<<"\n";


   cout<<"\nList of Not found tracks :\n";
   //   Int_t i;
   for ( i = 0; i< itrack_notfound; i++){
     cout<<track_notfound[i]<<"\t";
     if ((i%5)==4) cout<<"\n";
   }
   cout<<"\nList of fake  tracks :\n";
   for ( i = 0; i< itrack_fake; i++){
     cout<<track_fake[i]<<"\t";
     if ((i%5)==4) cout<<"\n";
   }
    cout<<"\nList of multiple found tracks :\n";
   for ( i=0; i<itrack_multifound; i++) {
       cout<<"id.   "<<track_multifound[i]<<"     found - "<<track_multifound_n[i]<<"times\n";
   }
   cout<<"\n\n\n";

   
   gStyle->SetOptStat(111110);
   gStyle->SetOptFit(1);

   TCanvas *c1=new TCanvas("c1","",0,0,700,850);

   TPad *p1=new TPad("p1","",0,0.3,.5,.6); p1->Draw();
   p1->cd(); p1->SetFillColor(42); p1->SetFrameFillColor(10); 
   hp->SetFillColor(4);  hp->SetXTitle("(mrad)"); hp->Fit("gaus"); c1->cd();

   TPad *p2=new TPad("p2","",0.5,.3,1,.6); p2->Draw(); 
   p2->cd(); p2->SetFillColor(42); p2->SetFrameFillColor(10);
   hl->SetXTitle("(mrad)"); hl->Fit("gaus"); c1->cd();

   TPad *p3=new TPad("p3","",0,0,0.5,0.3); p3->Draw();
   p3->cd(); p3->SetFillColor(42); p3->SetFrameFillColor(10); 
   hpt->SetXTitle("(%)"); hpt->Fit("gaus"); c1->cd();

   TPad *p4=new TPad("p4","",0.5,0,1,0.3); p4->Draw();
   p4->cd(); p4->SetFillColor(42); p4->SetFrameFillColor(10);
   hmpt->SetXTitle("(%)"); hmpt->Fit("gaus"); c1->cd();

   TPad *p5=new TPad("p5","",0,0.6,1,1); p5->Draw(); p5->cd(); 
   p5->SetFillColor(41); p5->SetFrameFillColor(10);
   hfound->Sumw2(); hgood->Sumw2(); hfake->Sumw2();
   hg->Divide(hfound,hgood,1,1.,"b");
   hf->Divide(hfake,hgood,1,1.,"b");
   hg->SetMaximum(1.4);
   hg->SetYTitle("Tracking efficiency");
   hg->SetXTitle("Pt (GeV/c)");
   hg->Draw();

   TLine *line1 = new TLine(0,1.0,7,1.0); line1->SetLineStyle(4);
   line1->Draw("same");
   TLine *line2 = new TLine(0,0.9,7,0.9); line2->SetLineStyle(4);
   line2->Draw("same");

   hf->SetFillColor(1);
   hf->SetFillStyle(3013);
   hf->SetLineColor(2);
   hf->SetLineWidth(2);
   hf->Draw("histsame");
   TText *text = new TText(0.461176,0.248448,"Fake tracks");
   text->SetTextSize(0.05);
   text->Draw();
   text = new TText(0.453919,1.11408,"Good tracks");
   text->SetTextSize(0.05);
   text->Draw();


   TCanvas *c2=new TCanvas("c2","",320,32,530,590);

   TPad *p6=new TPad("p6","",0.,0.,1.,.5); p6->Draw();
   p6->cd(); p6->SetFillColor(42); p6->SetFrameFillColor(10); 
   he->SetFillColor(2); he->SetFillStyle(3005);  
   he->SetXTitle("Arbitrary Units"); 
   he->Fit("gaus"); c2->cd();

   TPad *p7=new TPad("p7","",0.,0.5,1.,1.); p7->Draw(); 
   p7->cd(); p7->SetFillColor(42); p7->SetFrameFillColor(10);
   hep->SetXTitle("p (Gev/c)"); hep->SetYTitle("dE/dX (Arb. Units)"); 
   hep->Draw(); c1->cd();

   gBenchmark->Stop("AliTPCComparison");
   gBenchmark->Show("AliTPCComparison");


   return 0;
}


Int_t good_tracks(GoodTrack *gt, Int_t max) {
   Int_t nt=0;

   TFile *file=TFile::Open("rfio:galice.root");
   if (!file->IsOpen()) {cerr<<"Can't open galice.root !\n"; exit(4);}

   if (!(gAlice=(AliRun*)file->Get("gAlice"))) {
     cerr<<"gAlice have not been found on galice.root !\n";
     exit(5);
   }

   Int_t np=gAlice->GetEvent(0);   

   AliTPC *TPC=(AliTPC*)gAlice->GetDetector("TPC");
   Int_t ver = TPC->IsVersion(); 
   cerr<<"TPC version "<<ver<<" has been found !\n";

   AliTPCParam *digp=(AliTPCParam*)file->Get("75x40_100x60");
   if (!digp) { cerr<<"TPC parameters have not been found !\n"; exit(6); }
   TPC->SetParam(digp);

   Int_t nrow_up=digp->GetNRowUp();
   Int_t nrows=digp->GetNRowLow()+nrow_up;
   Int_t zero=digp->GetZeroSup();
   Int_t gap=Int_t(0.125*nrows);
   Int_t good_number=Int_t(0.4*nrows);

   Int_t *good=new Int_t[np];
   for (Int_t ii=0; ii<np; ii++) good[ii]=0;


   //MI change to be possible compile macro
   //definition out of the swith statemnet
    Int_t sectors_by_rows=0;
    TTree *TD=0;
    AliSimDigits da, *digits=&da;
    Int_t *count=0;
   switch (ver) {
   case 1:
     {
      TFile *cf=TFile::Open("AliTPCclusters.root");
      if (!cf->IsOpen()){cerr<<"Can't open AliTPCclusters.root !\n";exit(5);}
      AliTPCClustersArray *ca=new AliTPCClustersArray;
      ca->Setup(digp);
      ca->SetClusterType("AliTPCcluster");
      ca->ConnectTree("Segment Tree");
      Int_t nrows=Int_t(ca->GetTree()->GetEntries());
      for (Int_t n=0; n<nrows; n++) {
          AliSegmentID *s=ca->LoadEntry(n);
          Int_t sec,row;
          digp->AdjustSectorRow(s->GetID(),sec,row);
          AliTPCClustersRow &clrow = *ca->GetRow(sec,row);
          Int_t ncl=clrow.GetArray()->GetEntriesFast();
          while (ncl--) {
              AliTPCcluster *c=(AliTPCcluster*)clrow[ncl];
              Int_t lab=c->GetLabel(0);
              if (lab<0) continue; //noise cluster
              lab=TMath::Abs(lab);
              if (sec>=digp->GetNInnerSector())
              if (row==nrow_up-1    ) good[lab]|=0x1000;
              if (sec>=digp->GetNInnerSector())
              if (row==nrow_up-1-gap) good[lab]|=0x800;
              good[lab]++;
          }
          ca->ClearRow(sec,row);
      }
      cf->Close();
     }
      break;
   case 2:
      TD=(TTree*)gDirectory->Get("TreeD_75x40_100x60");
      TD->GetBranch("Segment")->SetAddress(&digits);
      count = new Int_t[np];
      Int_t i;
      for (i=0; i<np; i++) count[i]=0;
      sectors_by_rows=(Int_t)TD->GetEntries();
      for (i=0; i<sectors_by_rows; i++) {
          if (!TD->GetEvent(i)) continue;
          Int_t sec,row;
          digp->AdjustSectorRow(digits->GetID(),sec,row);
          cerr<<sec<<' '<<row<<"                                     \r";
          digits->First();
          while (digits->Next()) {
              Int_t it=digits->CurrentRow(), ip=digits->CurrentColumn();
              Short_t dig = digits->GetDigit(it,ip);
              Int_t idx0=digits->GetTrackID(it,ip,0); 
              Int_t idx1=digits->GetTrackID(it,ip,1);
              Int_t idx2=digits->GetTrackID(it,ip,2);
              if (idx0>=0 && dig>=zero) count[idx0]+=1;
              if (idx1>=0 && dig>=zero) count[idx1]+=1;
              if (idx2>=0 && dig>=zero) count[idx2]+=1;
          }
          for (Int_t j=0; j<np; j++) {
              if (count[j]>1) {
                 if (sec>=digp->GetNInnerSector())
		   if (row==nrow_up-1    ) good[j]|=0x1000;
                 if (sec>=digp->GetNInnerSector())
		   if (row==nrow_up-1-gap) good[j]|=0x800;
                 good[j]++;
              }
              count[j]=0;
          }
      }
      delete[] count;
      break;
   default:
      cerr<<"Invalid TPC version !\n";
      file->Close();
      exit(7);
   }

   TTree *TH=gAlice->TreeH();
   Int_t npart=(Int_t)TH->GetEntries();

   while (npart--) {
      AliTPChit *hit0=0;

      TPC->ResetHits();
      TH->GetEvent(npart);
      AliTPChit * hit = (AliTPChit*) TPC->FirstHit(-1);
      while (hit){
	if (hit->fQ==0.) break;
	hit =  (AliTPChit*) TPC->NextHit();
      }
      if (hit) {
	hit0 = new AliTPChit(*hit); //Make copy of hit
	hit = hit0;
      }
      else continue;
      AliTPChit *hit1=(AliTPChit*)TPC->NextHit();	
      if (hit1==0) continue;
      if (hit1->fQ != 0.) continue;
      Int_t i=hit->Track();
      TParticle *p = (TParticle*)gAlice->Particle(i);

      if (p->GetFirstMother()>=0) continue;  //secondary particle
      if (good[i] < 0x1000+0x800+2+good_number) continue;
      if (p->Pt()<0.100) continue;
      if (TMath::Abs(p->Pz()/p->Pt())>0.999) continue;

      gt[nt].lab=i;
      gt[nt].code=p->GetPdgCode();
//**** px py pz - in global coordinate system, x y z - in local !
      gt[nt].px=hit->X(); gt[nt].py=hit->Y(); gt[nt].pz=hit->Z();
      Float_t cs,sn; digp->AdjustCosSin(hit1->fSector,cs,sn);
      gt[nt].x = hit1->X()*cs + hit1->Y()*sn;
      gt[nt].y =-hit1->X()*sn + hit1->Y()*cs;
      gt[nt].z = hit1->Z();
      nt++;	
	if (hit0) delete hit0;
      cerr<<i<<"                \r";
      if (nt==max) {cerr<<"Too many good tracks !\n"; break;}
   }
   delete[] good;

   delete gAlice; gAlice=0;

   file->Close();
   gBenchmark->Stop("AliTPCComparison");
   gBenchmark->Show("AliTPCComparison");   
   return nt;
}
Commit	Line	Data
be9c5115	1	#ifndef __CINT__
	2	#include "alles.h"
	3	#endif
	4
cc80f89e	5	struct GoodTrack {
	6	Int_t lab;
	7	Int_t code;
	8	Float_t px,py,pz;
	9	Float_t x,y,z;
	10	};
	11	Int_t good_tracks(GoodTrack *gt, Int_t max);
	12
73042f01	13	Int_t AliTPCComparison() {
cf98c13f	14	Int_t i;
cf98c13f	15	gBenchmark->Start("AliTPCComparison");
8c555625	16
73042f01	17	TFile *cf=TFile::Open("AliTPCclusters.root");
	18	if (!cf->IsOpen()) {cerr<<"Can't open AliTPCclusters.root !\n"; return 1;}
	19	AliTPCParam digp= (AliTPCParam)cf->Get("75x40_100x60");
	20	if (!digp) { cerr<<"TPC parameters have not been found !\n"; return 2; }
	21
	22	// Load clusters
	23	AliTPCClustersArray *ca=new AliTPCClustersArray;
	24	ca->Setup(digp);
	25	ca->SetClusterType("AliTPCcluster");
	26	ca->ConnectTree("Segment Tree");
	27	Int_t nentr=Int_t(ca->GetTree()->GetEntries());
be9c5115	28	for (i=0; i<nentr; i++) ca->LoadEntry(i);
8c555625	29
73042f01	30	// Load tracks
	31	TFile *tf=TFile::Open("AliTPCtracks.root");
	32	if (!tf->IsOpen()) {cerr<<"Can't open AliTPCtracks.root !\n"; return 3;}
	33	TObjArray tarray(2000);
	34	TTree tracktree=(TTree)tf->Get("TreeT");
	35	TBranch *tbranch=tracktree->GetBranch("tracks");
cf98c13f	36	nentr=(Int_t)tracktree->GetEntries();
cf98c13f	37
be9c5115	38	AliTPCtrack *iotrack=0;
73042f01	39	for (i=0; i<nentr; i++) {
be9c5115	40	iotrack=new AliTPCtrack;
73042f01	41	tbranch->SetAddress(&iotrack);
	42	tracktree->GetEvent(i);
	43	iotrack->CookLabel(ca);
	44	tarray.AddLast(iotrack);
	45	}
	46	tf->Close();
	47
	48	delete ca;
	49	cf->Close();
8c555625	50
8c555625	51	/////////////////////////////////////////////////////////////////////////
c9b22865	52	GoodTrack gt[15000];
cc80f89e	53	Int_t ngood=0;
be9c5115	54	ifstream in("good_tracks_tpc");
cc80f89e	55	if (in) {
cc80f89e	56	cerr<<"Reading good tracks...\n";
be9c5115	57	while (in>>gt[ngood].lab>>gt[ngood].code>>
	58	gt[ngood].px>>gt[ngood].py>>gt[ngood].pz>>
	59	gt[ngood].x >>gt[ngood].y >>gt[ngood].z) {
cc80f89e	60	ngood++;
cc80f89e	61	cerr<<ngood<<'\r';
c9b22865	62	if (ngood==15000) {
cc80f89e	63	cerr<<"Too many good tracks !\n";
	64	break;
	65	}
	66	}
be9c5115	67	if (!in.eof()) cerr<<"Read error (good_tracks_tpc) !\n";
cc80f89e	68	} else {
cc80f89e	69	cerr<<"Marking good tracks (this will take a while)...\n";
c9b22865	70	ngood=good_tracks(gt,15000);
be9c5115	71	ofstream out("good_tracks_tpc");
cc80f89e	72	if (out) {
cc80f89e	73	for (Int_t ngd=0; ngd<ngood; ngd++)
be9c5115	74	out<<gt[ngd].lab<<' '<<gt[ngd].code<<' '<<
	75	gt[ngd].px<<' '<<gt[ngd].py<<' '<<gt[ngd].pz<<' '<<
	76	gt[ngd].x <<' '<<gt[ngd].y <<' '<<gt[ngd].z <<endl;
	77	} else cerr<<"Can not open file (good_tracks_tpc) !\n";
cc80f89e	78	out.close();
be9c5115	79
	80	cerr<<"Preparing tracks for matching with the ITS...\n";
	81	tarray.Sort();
	82	tf=TFile::Open("AliTPCtracks.root","recreate");
	83	tracktree=new TTree("TreeT","Tree with TPC tracks");
	84	tracktree->Branch("tracks","AliTPCtrack",&iotrack,32000,0);
	85	for (i=0; i<nentr; i++) {
	86	iotrack=(AliTPCtrack*)tarray.UncheckedAt(i);
	87	tracktree->Fill();
	88	}
	89	tracktree->Write();
	90	tf->Close();
	91
cc80f89e	92	}
	93	cerr<<"Number of good tracks : "<<ngood<<endl;
	94
8c555625	95	cerr<<"Doing comparison...\n";
cc80f89e	96	TH1F *hp=new TH1F("hp","PHI resolution",50,-20.,20.); hp->SetFillColor(4);
cc80f89e	97	TH1F *hl=new TH1F("hl","LAMBDA resolution",50,-20,20);hl->SetFillColor(4);
8c555625	98	TH1F *hpt=new TH1F("hpt","Relative Pt resolution",30,-10.,10.);
8c555625	99	hpt->SetFillColor(2);
cc80f89e	100	TH1F *hmpt=new TH1F("hmpt","Relative Pt resolution (pt>4GeV/c)",30,-60,60);
cc80f89e	101	hmpt->SetFillColor(6);
8c555625	102
be9c5115	103	TH1F *hgood=new TH1F("hgood","Good tracks",30,0.1,6.1);
	104	TH1F *hfound=new TH1F("hfound","Found tracks",30,0.1,6.1);
	105	TH1F *hfake=new TH1F("hfake","Fake tracks",30,0.1,6.1);
	106	TH1F *hg=new TH1F("hg","",30,0.1,6.1); //efficiency for good tracks
8c555625	107	hg->SetLineColor(4); hg->SetLineWidth(2);
be9c5115	108	TH1F *hf=new TH1F("hf","Efficiency for fake tracks",30,0.1,6.1);
8c555625	109	hf->SetFillColor(1); hf->SetFillStyle(3013); hf->SetLineWidth(2);
8c555625	110
cc80f89e	111	TH1F *he =new TH1F("he","dE/dX for pions with 0.4<p<0.5 GeV/c",50,0.,100.);
cc80f89e	112	TH2F *hep=new TH2F("hep","dE/dX vs momentum",50,0.,2.,50,0.,200.);
be9c5115	113	hep->SetMarkerStyle(8);
be9c5115	114	hep->SetMarkerSize(0.4);
8c555625	115
cf98c13f	116	Int_t mingood = ngood; //MI change
	117	Int_t * track_notfound = new Int_t[ngood];
	118	Int_t itrack_notfound =0;
	119	Int_t * track_fake = new Int_t[ngood];
	120	Int_t itrack_fake = 0;
	121	Int_t * track_multifound = new Int_t[ngood];
	122	Int_t * track_multifound_n = new Int_t[ngood];
	123	Int_t itrack_multifound =0;
	124
cc80f89e	125	while (ngood--) {
cf98c13f	126	Int_t lab=gt[ngood].lab,tlab=-1;
cc80f89e	127	Float_t ptg=
cc80f89e	128	TMath::Sqrt(gt[ngood].pxgt[ngood].px + gt[ngood].pygt[ngood].py);
8c555625	129
8c555625	130	hgood->Fill(ptg);
cc80f89e	131
cf98c13f	132	AliTPCtrack *track=0;
73042f01	133	for (i=0; i<nentr; i++) {
cf98c13f	134	track=(AliTPCtrack*)tarray.UncheckedAt(i);
73042f01	135	tlab=track->GetLabel();
cc80f89e	136	if (lab==TMath::Abs(tlab)) break;
8c555625	137	}
73042f01	138	if (i==nentr) {
be9c5115	139	//cerr<<"Track "<<lab<<" was not found !\n";
cf98c13f	140	track_notfound[itrack_notfound++]=lab;
cc80f89e	141	continue;
cc80f89e	142	}
cf98c13f	143
	144	//MI change - addition
	145	Int_t micount=0;
	146	Int_t mi;
	147	AliTPCtrack * mitrack;
	148	for (mi=0; mi<nentr; mi++) {
	149	mitrack=(AliTPCtrack*)tarray.UncheckedAt(mi);
	150	if (lab==TMath::Abs(mitrack->GetLabel())) micount++;
	151	}
	152	if (micount>1) {
	153	//cout<<"Track no. "<<lab<<" found "<<micount<<" times\n";
	154	track_multifound[itrack_multifound]=lab;
	155	track_multifound_n[itrack_multifound]=micount;
	156	itrack_multifound++;
	157	}
	158
	159
	160	//
cc80f89e	161	Double_t xk=gt[ngood].x;//digp->GetPadRowRadii(0,0);
cc80f89e	162	track->PropagateTo(xk);
3c0f9266	163
cc80f89e	164	if (lab==tlab) hfound->Fill(ptg);
cf98c13f	165	else {
	166	track_fake[itrack_fake++]=lab;
	167	hfake->Fill(ptg);
	168	//cerr<<lab<<" fake\n";
	169	}
cc80f89e	170
be9c5115	171	Double_t par[5]; track->GetExternalParameters(xk,par);
	172	Float_t phi=TMath::ASin(par[2]) + track->GetAlpha();
	173	if (phi<-TMath::Pi()) phi+=2*TMath::Pi();
	174	if (phi>=TMath::Pi()) phi-=2*TMath::Pi();
	175	Float_t lam=TMath::ATan(par[3]);
	176	Float_t pt_1=TMath::Abs(par[4]);
cc80f89e	177
cc80f89e	178	if (TMath::Abs(gt[ngood].code)==11 && ptg>4.) {
be9c5115	179	hmpt->Fill((pt_1 - 1/ptg)/(1/ptg)*100.);
cc80f89e	180	} else {
cc80f89e	181	Float_t phig=TMath::ATan2(gt[ngood].py,gt[ngood].px);
cc80f89e	182	hp->Fill((phi - phig)*1000.);
3c0f9266	183
cc80f89e	184	Float_t lamg=TMath::ATan2(gt[ngood].pz,ptg);
cc80f89e	185	hl->Fill((lam - lamg)*1000.);
cc80f89e	186
be9c5115	187	hpt->Fill((pt_1 - 1/ptg)/(1/ptg)*100.);
cc80f89e	188	}
73042f01	189
be9c5115	190	Float_t mom=1./(pt_1*TMath::Cos(lam));
73042f01	191	Float_t dedx=track->GetdEdx();
cc80f89e	192	hep->Fill(mom,dedx,1.);
	193	if (TMath::Abs(gt[ngood].code)==211)
	194	if (mom>0.4 && mom<0.5) {
	195	he->Fill(dedx,1.);
	196	}
73042f01	197
cc80f89e	198	}
cc80f89e	199
cf98c13f	200
cc80f89e	201	Stat_t ng=hgood->GetEntries(); cerr<<"Good tracks "<<ng<<endl;
	202	Stat_t nf=hfound->GetEntries();
	203	if (ng!=0)
cf98c13f	204	cerr<<"\n\n\nIntegral efficiency is about "<<nf/ng*100.<<" %\n";
	205
	206	//MI change - addition
	207	cout<<"Total number of found tracks ="<<nentr<<"\n";
	208	cout<<"Total number of \"good\" tracks ="<<mingood<<"\n";
	209
	210
	211	cout<<"\nList of Not found tracks :\n";
	212	// Int_t i;
	213	for ( i = 0; i< itrack_notfound; i++){
	214	cout<<track_notfound[i]<<"\t";
	215	if ((i%5)==4) cout<<"\n";
	216	}
	217	cout<<"\nList of fake tracks :\n";
	218	for ( i = 0; i< itrack_fake; i++){
	219	cout<<track_fake[i]<<"\t";
	220	if ((i%5)==4) cout<<"\n";
	221	}
	222	cout<<"\nList of multiple found tracks :\n";
	223	for ( i=0; i<itrack_multifound; i++) {
	224	cout<<"id. "<<track_multifound[i]<<" found - "<<track_multifound_n[i]<<"times\n";
	225	}
	226	cout<<"\n\n\n";
8c555625	227
cf98c13f	228
8c555625	229	gStyle->SetOptStat(111110);
	230	gStyle->SetOptFit(1);
	231
	232	TCanvas *c1=new TCanvas("c1","",0,0,700,850);
	233
	234	TPad *p1=new TPad("p1","",0,0.3,.5,.6); p1->Draw();
	235	p1->cd(); p1->SetFillColor(42); p1->SetFrameFillColor(10);
	236	hp->SetFillColor(4); hp->SetXTitle("(mrad)"); hp->Fit("gaus"); c1->cd();
	237
	238	TPad *p2=new TPad("p2","",0.5,.3,1,.6); p2->Draw();
	239	p2->cd(); p2->SetFillColor(42); p2->SetFrameFillColor(10);
	240	hl->SetXTitle("(mrad)"); hl->Fit("gaus"); c1->cd();
	241
	242	TPad *p3=new TPad("p3","",0,0,0.5,0.3); p3->Draw();
	243	p3->cd(); p3->SetFillColor(42); p3->SetFrameFillColor(10);
	244	hpt->SetXTitle("(%)"); hpt->Fit("gaus"); c1->cd();
	245
	246	TPad *p4=new TPad("p4","",0.5,0,1,0.3); p4->Draw();
	247	p4->cd(); p4->SetFillColor(42); p4->SetFrameFillColor(10);
cc80f89e	248	hmpt->SetXTitle("(%)"); hmpt->Fit("gaus"); c1->cd();
8c555625	249
8c555625	250	TPad *p5=new TPad("p5","",0,0.6,1,1); p5->Draw(); p5->cd();
3c0f9266	251	p5->SetFillColor(41); p5->SetFrameFillColor(10);
8c555625	252	hfound->Sumw2(); hgood->Sumw2(); hfake->Sumw2();
	253	hg->Divide(hfound,hgood,1,1.,"b");
	254	hf->Divide(hfake,hgood,1,1.,"b");
	255	hg->SetMaximum(1.4);
	256	hg->SetYTitle("Tracking efficiency");
	257	hg->SetXTitle("Pt (GeV/c)");
	258	hg->Draw();
	259
cc80f89e	260	TLine *line1 = new TLine(0,1.0,7,1.0); line1->SetLineStyle(4);
8c555625	261	line1->Draw("same");
cc80f89e	262	TLine *line2 = new TLine(0,0.9,7,0.9); line2->SetLineStyle(4);
8c555625	263	line2->Draw("same");
	264
	265	hf->SetFillColor(1);
	266	hf->SetFillStyle(3013);
	267	hf->SetLineColor(2);
	268	hf->SetLineWidth(2);
	269	hf->Draw("histsame");
	270	TText *text = new TText(0.461176,0.248448,"Fake tracks");
	271	text->SetTextSize(0.05);
	272	text->Draw();
	273	text = new TText(0.453919,1.11408,"Good tracks");
	274	text->SetTextSize(0.05);
	275	text->Draw();
3c0f9266	276
	277
	278
	279	TCanvas *c2=new TCanvas("c2","",320,32,530,590);
	280
	281	TPad *p6=new TPad("p6","",0.,0.,1.,.5); p6->Draw();
	282	p6->cd(); p6->SetFillColor(42); p6->SetFrameFillColor(10);
	283	he->SetFillColor(2); he->SetFillStyle(3005);
	284	he->SetXTitle("Arbitrary Units");
	285	he->Fit("gaus"); c2->cd();
	286
	287	TPad *p7=new TPad("p7","",0.,0.5,1.,1.); p7->Draw();
	288	p7->cd(); p7->SetFillColor(42); p7->SetFrameFillColor(10);
	289	hep->SetXTitle("p (Gev/c)"); hep->SetYTitle("dE/dX (Arb. Units)");
	290	hep->Draw(); c1->cd();
	291
cf98c13f	292	gBenchmark->Stop("AliTPCComparison");
	293	gBenchmark->Show("AliTPCComparison");
	294
	295
73042f01	296	return 0;
cc80f89e	297	}
3c0f9266	298
cc80f89e	299
cc80f89e	300	Int_t good_tracks(GoodTrack *gt, Int_t max) {
cc80f89e	301	Int_t nt=0;
cc80f89e	302
be9c5115	303	TFile *file=TFile::Open("rfio:galice.root");
73042f01	304	if (!file->IsOpen()) {cerr<<"Can't open galice.root !\n"; exit(4);}
	305
	306	if (!(gAlice=(AliRun*)file->Get("gAlice"))) {
	307	cerr<<"gAlice have not been found on galice.root !\n";
	308	exit(5);
	309	}
	310
be9c5115	311	Int_t np=gAlice->GetEvent(0);
cc80f89e	312
73042f01	313	AliTPC TPC=(AliTPC)gAlice->GetDetector("TPC");
	314	Int_t ver = TPC->IsVersion();
	315	cerr<<"TPC version "<<ver<<" has been found !\n";
	316
	317	AliTPCParam digp=(AliTPCParam)file->Get("75x40_100x60");
	318	if (!digp) { cerr<<"TPC parameters have not been found !\n"; exit(6); }
	319	TPC->SetParam(digp);
	320
	321	Int_t nrow_up=digp->GetNRowUp();
	322	Int_t nrows=digp->GetNRowLow()+nrow_up;
	323	Int_t zero=digp->GetZeroSup();
cc80f89e	324	Int_t gap=Int_t(0.125*nrows);
	325	Int_t good_number=Int_t(0.4*nrows);
	326
cc80f89e	327	Int_t *good=new Int_t[np];
	328	for (Int_t ii=0; ii<np; ii++) good[ii]=0;
	329
cf98c13f	330
	331	//MI change to be possible compile macro
	332	//definition out of the swith statemnet
	333	Int_t sectors_by_rows=0;
	334	TTree *TD=0;
	335	AliSimDigits da, *digits=&da;
	336	Int_t *count=0;
cc80f89e	337	switch (ver) {
cc80f89e	338	case 1:
73042f01	339	{
	340	TFile *cf=TFile::Open("AliTPCclusters.root");
	341	if (!cf->IsOpen()){cerr<<"Can't open AliTPCclusters.root !\n";exit(5);}
	342	AliTPCClustersArray *ca=new AliTPCClustersArray;
	343	ca->Setup(digp);
	344	ca->SetClusterType("AliTPCcluster");
	345	ca->ConnectTree("Segment Tree");
	346	Int_t nrows=Int_t(ca->GetTree()->GetEntries());
	347	for (Int_t n=0; n<nrows; n++) {
	348	AliSegmentID *s=ca->LoadEntry(n);
	349	Int_t sec,row;
	350	digp->AdjustSectorRow(s->GetID(),sec,row);
	351	AliTPCClustersRow &clrow = *ca->GetRow(sec,row);
	352	Int_t ncl=clrow.GetArray()->GetEntriesFast();
	353	while (ncl--) {
	354	AliTPCcluster c=(AliTPCcluster)clrow[ncl];
b7239550	355	Int_t lab=c->GetLabel(0);
73042f01	356	if (lab<0) continue; //noise cluster
	357	lab=TMath::Abs(lab);
	358	if (sec>=digp->GetNInnerSector())
	359	if (row==nrow_up-1 ) good[lab]\|=0x1000;
	360	if (sec>=digp->GetNInnerSector())
	361	if (row==nrow_up-1-gap) good[lab]\|=0x800;
	362	good[lab]++;
	363	}
	364	ca->ClearRow(sec,row);
cc80f89e	365	}
73042f01	366	cf->Close();
73042f01	367	}
cc80f89e	368	break;
cc80f89e	369	case 2:
cf98c13f	370	TD=(TTree*)gDirectory->Get("TreeD_75x40_100x60");
cc80f89e	371	TD->GetBranch("Segment")->SetAddress(&digits);
cf98c13f	372	count = new Int_t[np];
cc80f89e	373	Int_t i;
cc80f89e	374	for (i=0; i<np; i++) count[i]=0;
cf98c13f	375	sectors_by_rows=(Int_t)TD->GetEntries();
cc80f89e	376	for (i=0; i<sectors_by_rows; i++) {
	377	if (!TD->GetEvent(i)) continue;
	378	Int_t sec,row;
	379	digp->AdjustSectorRow(digits->GetID(),sec,row);
	380	cerr<<sec<<' '<<row<<" \r";
	381	digits->First();
	382	while (digits->Next()) {
	383	Int_t it=digits->CurrentRow(), ip=digits->CurrentColumn();
	384	Short_t dig = digits->GetDigit(it,ip);
	385	Int_t idx0=digits->GetTrackID(it,ip,0);
	386	Int_t idx1=digits->GetTrackID(it,ip,1);
	387	Int_t idx2=digits->GetTrackID(it,ip,2);
	388	if (idx0>=0 && dig>=zero) count[idx0]+=1;
	389	if (idx1>=0 && dig>=zero) count[idx1]+=1;
	390	if (idx2>=0 && dig>=zero) count[idx2]+=1;
	391	}
	392	for (Int_t j=0; j<np; j++) {
	393	if (count[j]>1) {
	394	if (sec>=digp->GetNInnerSector())
cf98c13f	395	if (row==nrow_up-1 ) good[j]\|=0x1000;
cc80f89e	396	if (sec>=digp->GetNInnerSector())
cf98c13f	397	if (row==nrow_up-1-gap) good[j]\|=0x800;
cc80f89e	398	good[j]++;
	399	}
	400	count[j]=0;
	401	}
	402	}
	403	delete[] count;
	404	break;
	405	default:
	406	cerr<<"Invalid TPC version !\n";
73042f01	407	file->Close();
73042f01	408	exit(7);
cc80f89e	409	}
	410
	411	TTree *TH=gAlice->TreeH();
cf98c13f	412	Int_t npart=(Int_t)TH->GetEntries();
cc80f89e	413
cc80f89e	414	while (npart--) {
cf98c13f	415	AliTPChit *hit0=0;
cf98c13f	416
cc80f89e	417	TPC->ResetHits();
cc80f89e	418	TH->GetEvent(npart);
cf98c13f	419	AliTPChit * hit = (AliTPChit*) TPC->FirstHit(-1);
	420	while (hit){
	421	if (hit->fQ==0.) break;
	422	hit = (AliTPChit*) TPC->NextHit();
	423	}
	424	if (hit) {
	425	hit0 = new AliTPChit(*hit); //Make copy of hit
	426	hit = hit0;
	427	}
	428	else continue;
	429	AliTPChit hit1=(AliTPChit)TPC->NextHit();
	430	if (hit1==0) continue;
cc80f89e	431	if (hit1->fQ != 0.) continue;
10e5e16f	432	Int_t i=hit->Track();
c9b22865	433	TParticle p = (TParticle)gAlice->Particle(i);
c9b22865	434
cc80f89e	435	if (p->GetFirstMother()>=0) continue; //secondary particle
	436	if (good[i] < 0x1000+0x800+2+good_number) continue;
	437	if (p->Pt()<0.100) continue;
	438	if (TMath::Abs(p->Pz()/p->Pt())>0.999) continue;
	439
	440	gt[nt].lab=i;
	441	gt[nt].code=p->GetPdgCode();
	442	//**** px py pz - in global coordinate system, x y z - in local !
10e5e16f	443	gt[nt].px=hit->X(); gt[nt].py=hit->Y(); gt[nt].pz=hit->Z();
cc80f89e	444	Float_t cs,sn; digp->AdjustCosSin(hit1->fSector,cs,sn);
10e5e16f	445	gt[nt].x = hit1->X()cs + hit1->Y()sn;
	446	gt[nt].y =-hit1->X()sn + hit1->Y()cs;
	447	gt[nt].z = hit1->Z();
cf98c13f	448	nt++;
cf98c13f	449	if (hit0) delete hit0;
cc80f89e	450	cerr<<i<<" \r";
	451	if (nt==max) {cerr<<"Too many good tracks !\n"; break;}
	452	}
	453	delete[] good;
73042f01	454
be9c5115	455	delete gAlice; gAlice=0;
73042f01	456
73042f01	457	file->Close();
cf98c13f	458	gBenchmark->Stop("AliTPCComparison");
cf98c13f	459	gBenchmark->Show("AliTPCComparison");
cc80f89e	460	return nt;
8c555625	461	}
8c555625	462
73042f01	463
73042f01	464