New macro to show tracking results for fake tracks only

diff --git a/ITS/ITSPlotFakeTracks.C b/ITS/ITSPlotFakeTracks.C
new file mode 100644 (file)
index 0000000..f31deb7
--- /dev/null
+++ b/ITS/ITSPlotFakeTracks.C
@@ -0,0 +1,140 @@
+#include <iostream.h>
+#include <fstream.h>
+
+void ITSPlotFakeTracks(){  
+  
+  ifstream in ("AliITSTra.out");
+  
+  TVector DataOut(10);
+  
+  ///////////////////////////////// Histograms definition ///////////////////////////////////////////
+
+  
+  TH1F *hp=new TH1F("hp","PHI resolution",25,-80.,80.); hp->SetFillColor(4);     
+  TH1F *hl=new TH1F("hl","LAMBDA resolution",25,-80.,80.); hl->SetFillColor(4);  
+  
+  // TH1F *hp=new TH1F("hp","PHI resolution",50,-5.,5.); hp->SetFillColor(4);     
+  //TH1F *hl=new TH1F("hl","LAMBDA resolution",50,-5.,5.); hl->SetFillColor(4); 
+      
+ // TH1F *hpt=new TH1F("hpt","Relative Pt resolution",50,-5.,5.);
+ TH1F *hpt=new TH1F("hpt","Relative Pt resolution",40,-20.,20.); 
+  hpt->SetFillColor(2); 
+  TH1F *hd=new TH1F("hd","Impact parameter distribution ",100,0,2000); 
+  hd->SetFillColor(6);
+  
+  TH1F *hdr=new TH1F("hdr","Dr ",50,-1000,1000);  
+  hdr->SetFillColor(kGreen);
+  TH1F *hdz=new TH1F("hdz","Dz ",50,-1000,1000);  
+  hdz->SetFillColor(kBlue);
+  
+  /*
+  TH1F *hdr=new TH1F("hdr","Dr ",50,-100,100);  
+  hdr->SetFillColor(kGreen);
+  TH1F *hdz=new TH1F("hdz","Dz ",50,-1000,1000);  
+  hdz->SetFillColor(kBlue);  
+  */ 
+
+  TH1F *hgood=new TH1F("hgood","Good tracks",10,0,2);
+  hgood->Sumw2();  // aggiunto il 15-01-01
+  TH1F *hfound=new TH1F("hfound","Found tracks",10,0,2);
+  hfound->Sumw2();  // aggiunto il 15-01-01
+  TH1F *hfake=new TH1F("hfake","Fake tracks",10,0,2);
+  hfake->Sumw2();    
+  TH1F *hg=new TH1F("hg","",10,0,2); //efficiency for good tracks  
+  hg->SetLineColor(4); hg->SetLineWidth(2);
+  TH1F *hf=new TH1F("hf","Efficiency for fake tracks",10,0,2);
+  /*hf->SetFillColor(1); hf->SetFillStyle(3013);*/ hf->SetLineColor(4); hf->SetLineWidth(2);
+
+  /////////////////////////////////////////////////////////////////////////////////////////////////// 
+
+  ifstream in1 ("AliITSTrag.out");
+  Double_t ptg; 
+  for(;;) {
+    in1 >> ptg; 
+    if( in1.eof() ) break;
+    hgood->Fill(ptg);
+  }
+  in1.close();
+   
+  Int_t neglabs=0;      // provvisoria
+  for (;;){    
+    for (int r=0; r<9; r++) in>>DataOut(r);
+    if( in.eof() ) break;
+
+    Double_t ptg=DataOut(0); Double_t labITS=DataOut(1); Double_t labTPC=DataOut(2); 
+        Double_t ptperc=DataOut(3);      
+    Double_t deltalam=DataOut(4); Double_t deltaphi=DataOut(5);
+    Double_t Dtot=DataOut(6); Double_t Dr=DataOut(7); Double_t Dz=DataOut(8);  
+
+     if(labITS<0) neglabs++;    // provvisoria
+         if(labITS>=0) hfound->Fill(ptg); else         {   hfake->Fill(ptg);}
+
+         if(labITS<0 ) {             // >=
+      hpt->Fill(ptperc);
+      hl->Fill(deltalam);
+      hp->Fill(deltaphi);
+      hd->Fill(Dtot);
+      hdr->Fill(Dr);
+      hdz->Fill(Dz);
+   }    
+  }
+  
+
+  in.close();
+  Stat_t ngood=hgood->GetEntries(); cerr<<"Good tracks "<<ngood<<endl;  
+  Stat_t nfound=hfound->GetEntries(); cerr<<"Found tracks "<<nfound<<endl;
+  Stat_t nfake=hfake->GetEntries(); cerr<<"Fake tracks "<<nfake<<endl;       
+  gStyle->SetOptStat(111110);
+  gStyle->SetOptFit(1);           
+  TCanvas *c1=new TCanvas("c1","",0,0,700,700);
+  TPad *p1=new TPad("p1","",0,0.5,0.5,1); p1->Draw(); hp->SetXTitle("(mrad)");
+  p1->cd(); hp->Draw();  hp->Fit("gaus"); c1->cd();
+  TPad *p2=new TPad("p2","",0.5,0.5,1,1); p2->Draw(); hl->SetXTitle("(mrad)");
+  p2->cd(); hl->Draw(); hl->Fit("gaus"); c1->cd();
+  TPad *p3=new TPad("p3","",0,0,0.5,0.5); p3->Draw(); hpt->SetXTitle("(%)");
+  p3->cd(); hpt->Draw(); hpt->Fit("gaus"); c1->cd();
+  TPad *p4=new TPad("p4","",0.5,0,1,0.5); p4->Draw(); hd->SetXTitle("(micron)");
+  p4->cd(); hd->Draw(); c1->cd();
+   
+  TCanvas *c3=new TCanvas("c3","",200,200,800,500);
+  hfound->Print("all");  // aggiunto il 16-01-01
+  hgood->Print("all");  // aggiunto il 16-01-01
+  TPad *p7=new TPad("p7","",0,0,0.333,1); p7->Draw(); p7->cd(); hfound->Draw(); c3->cd(); 
+  TPad *p8=new TPad("p8","",0.333,0,0.666,1); p8->Draw(); p8->cd(); hfake->Draw(); c3->cd();
+  TPad *p9=new TPad("p9","",0.666,0,1,1); p9->Draw(); p9->cd(); hgood->Draw(); c3->cd();
+     
+  TCanvas *c4=new TCanvas("c4","",300,300,800,500);
+  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->Print("all");  // aggiunto il 16-01-01
+  hg->Draw();  // to not plot the erro bars    hg->Draw("histo");
+  TLine *line1 = new TLine(0,1.0,2,1.0); line1->SetLineStyle(4);
+  line1->Draw("same");
+  TLine *line2 = new TLine(0,0.9,2,0.9); line2->SetLineStyle(4);
+  line2->Draw("histosame");
+  
+   
+  hf->SetFillColor(1);
+  hf->SetFillStyle(3013);
+  hf->SetLineColor(2);
+  hf->SetLineWidth(2);
+  hf->Draw("same");  // to not plot the error bars  hf->Draw("histosame");
+  
+  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","",100,100,700,400);
+  TPad *p5=new TPad("p5","",0,0,0.5,1); p5->Draw(); hdr->SetXTitle("(micron)");
+  p5->cd(); hdr->Draw();  hdr->Fit("gaus"); c2->cd();
+  TPad *p6=new TPad("p6","",0.5,0,1,1); p6->Draw(); hdz->SetXTitle("(micron)");
+  p6->cd(); hdz->Draw(); hdz->Fit("gaus"); c2->cd();
+  
+  cout<<"neglabs = "<<neglabs<<"\n";  // provvisoria
+}