From ae0cd643fd4cf067f7c331fad770120916b9a011 Mon Sep 17 00:00:00 2001
From: barbera <barbera@f7af4fe6-9843-0410-8265-dc069ae4e863>
Date: Tue, 2 Oct 2001 06:51:24 +0000
Subject: [PATCH] New macro to run track comparison for tracking V1

---
 ITS/AliITSComparisonV1.C | 214 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 214 insertions(+)
 create mode 100644 ITS/AliITSComparisonV1.C

diff --git a/ITS/AliITSComparisonV1.C b/ITS/AliITSComparisonV1.C
new file mode 100644
index 00000000000..9882e6e01f8
--- /dev/null
+++ b/ITS/AliITSComparisonV1.C
@@ -0,0 +1,214 @@
+#include "iostream.h"
+
+
+  void AliITSComparisonV1(Int_t evNumber1=0,Int_t evNumber2=0) {
+
+  const char *filename="itstracks.root";
+  
+  ///////////////// Dynamically link some shared libs ////////////////////////////////
+  
+  if (gClassTable->GetID("AliRun") < 0) {
+    gROOT->LoadMacro("loadlibs.C");
+    loadlibs();
+  } else {
+    delete gAlice;
+    gAlice=0;
+  }
+
+// Connect the Root Galice file containing Geometry, Kine and Hits
+   TFile *file = (TFile*)gROOT->GetListOfFiles()->FindObject(filename);
+   if (!file) file = new TFile(filename);
+   
+   ifstream in("itsgood_tracks"); 
+//
+//   Loop over events 
+//
+
+   char tname[30];
+
+     
+  struct GoodTrack {
+   Int_t fEventN;  
+    Int_t lab,code;
+    Float_t px,py,pz,x,y,z,pxg,pyg,pzg,ptg;
+    Bool_t flag;
+  };   
+    Int_t i;
+  GoodTrack gt[15000]; 
+  Int_t ngood=0;  
+  cerr<<"Reading itsgood tracks...\n";
+  while (in>>gt[ngood].fEventN>>gt[ngood].lab>>gt[ngood].code
+	  >>gt[ngood].px >>gt[ngood].py>>gt[ngood].pz
+	  >>gt[ngood].x  >>gt[ngood].y >>gt[ngood].z
+	  >>gt[ngood].pxg  >>gt[ngood].pyg >>gt[ngood].pzg
+	  >>gt[ngood].ptg >>gt[ngood].flag) {
+    ngood++;
+    cerr<<ngood<<'\r';
+    if (ngood==15000) {
+      cerr<<"Too many good tracks !\n";
+      break;
+    }
+  }
+  if (!in.eof()) cerr<<"Read error (itsgood_tracks) !\n";
+   ofstream out1 ("AliITSTrag.out");
+  Int_t countpos=0,countneg=0;
+
+   
+  //for (i=0; i<ngood; i++) out1 << gt[i].ptg << "\n";
+  for (i=0; i<ngood; i++) {
+    out1 << gt[i].ptg << "\n";
+    Int_t codpar=gt[i].code;
+    if(codpar==2212 || codpar==-11 || codpar==-13 || codpar==211 || codpar==321 || codpar==3222
+	 || codpar==213 || codpar==323 || codpar==10323 || codpar==3224 || codpar==2224 || codpar==2214
+	 || codpar==-1114 || codpar==-3112 || codpar==-3312 || codpar==3224 || codpar==-3114 || codpar==-3314
+	 || codpar==411 || codpar==431 || codpar==413 || codpar==433 || codpar==-15 || codpar==4232
+	 || codpar==4222 || codpar==4322 || codpar==4422 || codpar==4412 || codpar==4432 || codpar==4224 
+	 ||codpar==4214 || codpar==4324 || codpar==4424 || codpar==4414 || codpar==4434 || codpar==4444)
+    countpos++;
+	 if(codpar==-2212 || codpar==11 || codpar==13 || codpar==-211 || codpar==-321 || codpar==3112
+	 || codpar==-213 || codpar==-323 || codpar==-10323 || codpar==3114 || codpar==1114 || codpar==-2224
+	 || codpar==-2214 || codpar==33112 || codpar==-3222 || codpar==3114 || codpar==3314 || codpar==3334 
+	 || codpar==-3224 || codpar==-411 || codpar==-431 || codpar==-413 || codpar==-433 || codpar==15 
+	 || codpar==-4422 || codpar==-4432 || codpar==-4214 || codpar==-4324 || codpar==-4424 || codpar==-4434 
+	 || codpar==-444)
+	 countneg++; 		   
+  }
+  out1.close();
+   ofstream out ("AliITSTra.out"); 
+///   definition of nm of good track for each event
+   TVector ntrackevtpc(evNumber2-evNumber1 +1);
+   Int_t nchange=-1;
+   Int_t nmev=-100;
+   
+   
+    Int_t i;
+    for( i =0; i<ngood ; i++){ 
+    if(gt[i].fEventN != nmev ){
+    nmev=gt[i].fEventN;
+    nchange++; 
+    }
+    if(nmev == gt[i].fEventN) ntrackevtpc(nchange)++;
+    }  
+//////////////////////////////////////////////////////////////     
+    
+   for (Int_t nev=evNumber1; nev<= evNumber2; nev++) {
+
+
+   sprintf(tname,"TreeT%d",nev);
+   TTree *tracktree=(TTree*)file->Get(tname);
+   TBranch *tbranch=tracktree->GetBranch("ITStracks");
+   cout<<" nev = "<<nev<<"\n";   
+	//cout<<" open the file \n"; 
+	
+   Int_t nentr=tracktree->GetEntries();
+
+   TObjArray tarray(nentr);
+  // AliITSIOTrack *iotrack=0;
+   printf("nentr %d\n",nentr);
+	
+   for (Int_t i=0; i<nentr; i++) {
+      AliITSIOTrack *iotrack=new AliITSIOTrack;
+      // tarray.AddAt(new AliITSIOTrack,i);
+      // iotrack=(AliITSiotrack*)tarray.UncheckedAt(i);
+       tbranch->SetAddress(&iotrack);
+       tracktree->GetEvent(i);
+	tarray.AddLast(iotrack);
+   }
+	//file->Close();		 
+	
+	  AliITSIOTrack *iotrack;
+   for (Int_t i=0; i<nentr; i++) {
+     AliITSIOTrack *iotrack=new AliITSIOTrack;      	
+	 iotrack=(AliITSIOTrack*)tarray.UncheckedAt(i);
+	 if(!iotrack) continue;
+     Int_t labITS=iotrack->GetLabel();
+     Int_t labTPC=iotrack->GetTPCLabel();  
+     //Int_t labTPC=labITS;  //provvisoria  
+	  Double_t phistate=iotrack->GetStatePhi();
+	  Double_t tgl=iotrack->GetStateTgl();	
+	  Double_t Zstate=iotrack->GetStateZ();
+	  Double_t Dr=iotrack->GetStateD();		  
+	  Double_t C=iotrack->GetStateC();
+	  Double_t px=iotrack->GetPx();
+	  Double_t py=iotrack->GetPy();	  
+	  Double_t pz=iotrack->GetPz();	
+	  Double_t pt=TMath::Sqrt(px*px+py*py);
+	  Int_t c = iotrack->GetCharge(); 
+	  Double_t x=iotrack->GetX();
+	  Double_t y=iotrack->GetY();
+	  Double_t z= iotrack->GetZ(); 
+	  Double_t Dz=z;   //non e' vero bisogna levare vertice
+	  Double_t Dtot= TMath::Sqrt(Dr*Dr+Dz*Dz);
+	  
+     // cout<<" track label = "<<label<<"\n";
+     // cout<<" phi z D tanl C = "<<phistate<<" "<<Zstate<<" "<<Dr<<" "<<tgl<<" "<<C<<"\n"; 	  
+	  
+  //  Int_t ilab=TMath::Abs(iotrack->GetLabel());
+    Int_t flaglab=0;   
+    Int_t iii=0;
+   Double_t ptg=0.,pxg=0.,pyg=0.,pzg=0.; 
+
+    Int_t mingood=0, maxgood=0, jj=0;
+    if(nev==evNumber1) mingood=0;
+    else
+    {for(jj=evNumber1; jj<nev; jj++) mingood += ntrackevtpc(jj);}
+     for(jj=evNumber1; jj<=nev; jj++) maxgood+= ntrackevtpc(jj);    
+
+   Int_t ilab=TMath::Abs(labTPC);
+   // for (iii=0;iii<ngood;iii++) {
+   for(iii=mingood; iii<maxgood; iii++){
+	 //cout<<" ilab, gt[iii].lab = "<<ilab<<" "<<gt[iii].lab<<"\n"; getchar();
+      if (ilab==gt[iii].lab) { 
+	flaglab=1;
+	ptg=gt[iii].ptg; 
+	pxg=gt[iii].pxg;
+	pyg=gt[iii].pyg;
+	pzg=gt[iii].pzg;	
+	break;
+      }
+    }   
+
+    if (!flaglab) continue;  
+    //cout<<" j =  " <<j<<"\n";  getchar();  	  		  		    
+   TVector dataOut(10);
+    Int_t kkk=0;
+    
+    dataOut(kkk) = ptg; kkk++; dataOut(kkk)=labITS; kkk++; dataOut(kkk)=labTPC; kkk++;	
+  
+      ///////////////////////////////
+      Double_t difpt= (pt-ptg)/ptg*100.;
+      //cout<<" difpt = "<<difpt<<"\n"; getchar();  	            	                
+      dataOut(kkk)=difpt; kkk++;                                             
+      Double_t lambdag=TMath::ATan(pzg/ptg);
+      Double_t   lam=TMath::ATan(tgl);      
+      Double_t diflam = (lam - lambdag)*1000.;
+      dataOut(kkk) = diflam; kkk++;	    	  			    
+      Double_t phig=TMath::ATan2(pyg,pxg);  if(phig<0) phig=2.*TMath::Pi()+phig;       
+     // Double_t phi=phivertex;
+       Double_t phi=TMath::ACos(px/pt);
+     Double_t duepi=2.*TMath::Pi();	 
+     if(phi>duepi) phi-=duepi;
+     if(phi<0.) phi+=duepi;      
+      Double_t signC=0.; 
+      if(c>0) signC=1.; else signC=-1.;
+        
+      Double_t difphi = (phi - phig)*1000.;
+      dataOut(kkk)=difphi; kkk++;
+      dataOut(kkk)=Dtot*1.e4; kkk++;
+      dataOut(kkk)=Dr*1.e4; kkk++;
+      dataOut(kkk)=Dz*1.e4; kkk++;
+      dataOut(kkk)=signC; kkk++; 
+      Int_t r;
+      for (r=0; r<10; r++) { out<<dataOut(r)<<" ";}
+      out<<"\n";
+      kkk=0;        	    
+
+    delete iotrack;		 
+   }  
+  //out.close(); 
+   }   // event loop 
+  out.close();
+  in.close();   
+  file->Close();      
+}
+
-- 
2.43.5