ITS/ShowITSRecPoints.C

   1 #if !defined(__CINT__) || defined(__MAKECINT__)
   2 #include <TCanvas.h>
   3 #include <TClassTable.h>
   4 #include <TGraph.h>
   5 #include <TGraph2D.h>
   6 #include <TGeoManager.h>
   7 #include <TH1.h>
   8 #include <TH2.h>
   9 #include <TLatex.h>
  10 #include <TStyle.h>
  11 #include <TInterpreter.h>
  12 #include "AliGeomManager.h"
  13 #include "AliHeader.h"
  14 #include "AliITS.h"
  15 #include "AliITSRecPointContainer.h"
  16 #include "AliITSgeomTGeo.h"
  17 #include "AliITSRecPoint.h"
  18 #include "AliRun.h"
  19 #endif
  20
  21 Int_t ShowITSRecPoints(Int_t nevfordisp=0){
  22   ///////////////////////////////////////////////////////////////////////
  23   // Macro to check clusters in the 6 ITS layers                       //
  24   // Provides:                                                         //
  25   //  6 canvases with 9 plots each (1 canvas for each layer)           //
  26   //  3 canvases with cluster XY coordinates for the first 3 events    //
  27   ///////////////////////////////////////////////////////////////////////
  28
  29   if (gClassTable->GetID("AliRun") < 0) {
  30     gInterpreter->ExecuteMacro("loadlibs.C");
  31   }
  32
  33   // retrieves geometry
  34   if(!gGeoManager){
  35     AliGeomManager::LoadGeometry("geometry.root");
  36   }
  37
  38   AliRunLoader* rl = AliRunLoader::Open("galice.root");
  39   if (rl == 0x0){
  40     cerr<<"Can not open session RL=NULL"<< endl;
  41     return -1;
  42   }
  43
  44   AliITSLoader* ITSloader =  (AliITSLoader*) rl->GetLoader("ITSLoader");
  45   if(!ITSloader){
  46     cerr<<"ITS loader not found"<<endl;
  47     return -1;
  48   }
  49   ITSloader->LoadRecPoints("read");
  50
  51   AliITSRecPointContainer* rpcont=AliITSRecPointContainer::Instance();
  52
  53   Float_t cluglo[3]={0.,0.,0.};
  54
  55   Int_t totmod=AliITSgeomTGeo::GetNModules();
  56   Int_t modmin=AliITSgeomTGeo::GetModuleIndex(1,1,1);
  57   Int_t modmax=AliITSgeomTGeo::GetNModules()-1;
  58
  59   Float_t xlim[6]={4.5,7.5,16.,26.,40.,45.};
  60   Float_t zlim[6]={15.,15.,22.,30.,45.,55.};
  61
  62   TH1F* hlayer=new TH1F("hlayer","",6,-0.5,5.5);
  63   TH1F** hmod=new TH1F*[6];
  64   TH1F** hxl=new TH1F*[6];
  65   TH1F** hzl=new TH1F*[6];
  66   TH1F** hxg=new TH1F*[6];
  67   TH1F** hyg=new TH1F*[6];
  68   TH1F** hzg=new TH1F*[6];
  69   TH1F** hr=new TH1F*[6];
  70   TH1F** hphi=new TH1F*[6];
  71   TH2F** hzphi=new TH2F*[6];
  72   TH1F** hq=new TH1F*[6];
  73   TH1F** hdrtime=new TH1F*[6];
  74
  75   Char_t name[10];
  76   for(Int_t iLay=0;iLay<6;iLay++){
  77     sprintf(name,"hmod%d",iLay+1);
  78     hmod[iLay]=new TH1F(name,"",totmod,modmin-0.5,modmax+0.5);
  79     hmod[iLay]->GetXaxis()->SetTitle("Module");
  80     hmod[iLay]->GetXaxis()->CenterTitle();
  81     sprintf(name,"hxloc%d",iLay+1);
  82     hxl[iLay]=new TH1F(name,"",100,-4.,4.);
  83     hxl[iLay]->GetXaxis()->SetTitle("Xloc (cm)");
  84     hxl[iLay]->GetXaxis()->CenterTitle();
  85     sprintf(name,"hzloc%d",iLay+1);
  86     hzl[iLay]=new TH1F(name,"",100,-4.,4.);
  87     hzl[iLay]->GetXaxis()->SetTitle("Zloc (cm)");
  88     hzl[iLay]->GetXaxis()->CenterTitle();
  89     sprintf(name,"hxgl%d",iLay+1);
  90     hxg[iLay]=new TH1F(name,"",100,-xlim[iLay],xlim[iLay]);
  91     hxg[iLay]->GetXaxis()->SetTitle("Xglob (cm)");
  92     hxg[iLay]->GetXaxis()->CenterTitle();
  93     sprintf(name,"hygl%d",iLay+1);
  94     hyg[iLay]=new TH1F(name,"",100,-xlim[iLay],xlim[iLay]);
  95     hyg[iLay]->GetXaxis()->SetTitle("Yglob (cm)");
  96     hyg[iLay]->GetXaxis()->CenterTitle();
  97     sprintf(name,"hzgl%d",iLay+1);
  98     hzg[iLay]=new TH1F(name,"",100,-zlim[iLay],zlim[iLay]);
  99     hzg[iLay]->GetXaxis()->SetTitle("Zglob (cm)");
 100     hzg[iLay]->GetXaxis()->CenterTitle();
 101     sprintf(name,"hr%d",iLay+1);
 102     hr[iLay]=new TH1F(name,"",100,0.,50.);
 103     hr[iLay]->GetXaxis()->SetTitle("r (cm)");
 104     hr[iLay]->GetXaxis()->CenterTitle();
 105     sprintf(name,"hphi%d",iLay+1);
 106     hphi[iLay]=new TH1F(name,"",100,-TMath::Pi(),TMath::Pi());
 107     hphi[iLay]->GetXaxis()->SetTitle("#varphi (rad)");
 108     hphi[iLay]->GetXaxis()->CenterTitle();
 109     sprintf(name,"hq%d",iLay+1);
 110     hq[iLay]=new TH1F(name,"",100,0.,300.);
 111     hq[iLay]->GetXaxis()->SetTitle("Charge (keV)");
 112     hq[iLay]->GetXaxis()->CenterTitle();
 113     sprintf(name,"hdtim%d",iLay+1);
 114     hdrtime[iLay]=new TH1F(name,"",100,0.,7000.);
 115     hdrtime[iLay]->GetXaxis()->SetTitle("Drift Time (ns)");
 116     hdrtime[iLay]->GetXaxis()->CenterTitle();
 117     sprintf(name,"hzphi%d",iLay+1);
 118     hzphi[iLay]=new TH2F(name,Form("Layer %d",iLay+1),50,-TMath::Pi(),TMath::Pi(),50,-zlim[iLay],zlim[iLay]);
 119     hzphi[iLay]->GetXaxis()->SetTitle("#varphi (rad)");
 120     hzphi[iLay]->GetYaxis()->SetTitle("Zglob (cm)");
 121     hzphi[iLay]->SetStats(0);
 122   }
 123
 124   TGraph *gptsXY=new TGraph(0);
 125   TGraph *gptsRZ=new TGraph(0);
 126
 127   Int_t totev=rl->GetNumberOfEvents();
 128   printf("Total Number of events = %d\n",totev);
 129
 130   for(Int_t iev=0;iev<totev;iev++){
 131     rl->GetEvent(iev);
 132     TTree *TR = ITSloader->TreeR();
 133     rpcont->FetchClusters(0,TR);
 134     TClonesArray *ITSrec  = NULL;
 135     if(iev%100==0) printf("Event #%d\n",iev);
 136
 137
 138     Int_t ipt=0;
 139     for (Int_t mod=modmin; mod<=modmax; mod++){
 140       ITSrec = rpcont->UncheckedGetClusters(mod);
 141       Int_t nrecp = ITSrec->GetEntries();
 142       if(nrecp>0){
 143         for(Int_t irec=0;irec<nrecp;irec++) {
 144           AliITSRecPoint *recp = (AliITSRecPoint*)ITSrec->At(irec);
 145           Int_t lay=recp->GetLayer();
 146           hlayer->Fill(lay);
 147           recp->GetGlobalXYZ(cluglo);
 148           Float_t rad=TMath::Sqrt(cluglo[0]*cluglo[0]+cluglo[1]*cluglo[1]);
 149           Float_t phi=TMath::ATan2(cluglo[1],cluglo[0]);
 150           if(iev==nevfordisp){
 151             gptsXY->SetPoint(ipt,cluglo[0],cluglo[1]);
 152             if(cluglo[1]>0) gptsRZ->SetPoint(ipt,cluglo[2],rad);
 153             else gptsRZ->SetPoint(ipt,cluglo[2],-rad);
 154             ipt++;
 155           }
 156           hmod[lay]->Fill(mod);
 157           hzl[lay]->Fill(recp->GetDetLocalZ());
 158           hxl[lay]->Fill(recp->GetDetLocalX());
 159           hzg[lay]->Fill(cluglo[2]);
 160           hyg[lay]->Fill(cluglo[1]);
 161           hxg[lay]->Fill(cluglo[0]);
 162           hr[lay]->Fill(rad);
 163           hphi[lay]->Fill(phi);
 164           hq[lay]->Fill(recp->GetQ());
 165           hdrtime[lay]->Fill(recp->GetDriftTime());
 166           hzphi[lay]->Fill(phi,cluglo[2]);
 167         }
 168       }
 169     }
 170   }
 171
 172   TCanvas **c=new TCanvas*[6];
 173   Char_t ctit[30];
 174   for(Int_t iLay=0;iLay<6;iLay++){
 175     sprintf(name,"can%d",iLay+1);
 176     sprintf(ctit,"Layer %d",iLay+1);
 177     c[iLay]=new TCanvas(name,ctit,1200,900);
 178     c[iLay]->Divide(3,3,0.001,0.001);
 179     c[iLay]->cd(1);
 180     hmod[iLay]->Draw();
 181     c[iLay]->cd(2);
 182     hxl[iLay]->Draw();
 183     c[iLay]->cd(3);
 184     hzl[iLay]->Draw();
 185     c[iLay]->cd(4);
 186     hxg[iLay]->Draw();
 187     c[iLay]->cd(5);
 188     hyg[iLay]->Draw();
 189     c[iLay]->cd(6);
 190     hzg[iLay]->Draw();
 191     c[iLay]->cd(7);
 192     hr[iLay]->Draw();
 193     c[iLay]->cd(8);
 194     hphi[iLay]->Draw();
 195     c[iLay]->cd(9);
 196     hq[iLay]->Draw();
 197   }
 198
 199   TCanvas* cdrtim=new TCanvas("cdrtim","SDD drift time",1000,600);
 200   cdrtim->Divide(2,1);
 201   cdrtim->cd(1);
 202   hdrtime[2]->Draw();
 203   cdrtim->cd(2);
 204   hdrtime[3]->Draw();
 205
 206   gStyle->SetPalette(1);
 207   TLatex* tstat=new TLatex();
 208   tstat->SetNDC();
 209   TCanvas* cspd=new TCanvas("cspd","SPD",1000,600);
 210   cspd->Divide(2,1);
 211   cspd->cd(1);
 212   hzphi[0]->Draw("colz");
 213   tstat->DrawLatex(0.6,0.92,Form("# Clusters = %d",int(hzphi[0]->GetEntries())));
 214   cspd->cd(2);
 215   hzphi[1]->Draw("colz");
 216   tstat->DrawLatex(0.6,0.92,Form("# Clusters = %d",int(hzphi[1]->GetEntries())));
 217
 218   TCanvas* csdd=new TCanvas("csdd","SDD",1000,600);
 219   csdd->Divide(2,1);
 220   csdd->cd(1);
 221   hzphi[2]->Draw("colz");
 222   tstat->DrawLatex(0.6,0.92,Form("# Clusters = %d",int(hzphi[2]->GetEntries())));
 223   csdd->cd(2);
 224   hzphi[3]->Draw("colz");
 225   tstat->DrawLatex(0.6,0.92,Form("# Clusters = %d",int(hzphi[3]->GetEntries())));
 226
 227   TCanvas* cssd=new TCanvas("cssd","SSD",1000,600);
 228   cssd->Divide(2,1);
 229   cssd->cd(1);
 230   hzphi[4]->Draw("colz");
 231   tstat->DrawLatex(0.6,0.92,Form("# Clusters = %d",int(hzphi[4]->GetEntries())));
 232   cssd->cd(2);
 233   hzphi[5]->Draw("colz");
 234   tstat->DrawLatex(0.6,0.92,Form("# Clusters = %d",int(hzphi[5]->GetEntries())));
 235
 236   TCanvas *cev0;
 237   sprintf(ctit,"Event %d XY",nevfordisp);
 238   cev0=new TCanvas("cev0",ctit,600,600);
 239   if(gptsXY->GetN()>0){
 240     gptsXY->SetMarkerStyle(7);
 241     gptsXY->SetTitle(0);
 242     gptsXY->Draw("AP");
 243     gptsXY->GetXaxis()->SetTitle("Xglob");
 244     gptsXY->GetYaxis()->SetTitle("Yglob");
 245    }
 246
 247   TCanvas *cev1;
 248   sprintf(ctit,"Event %d Zr",nevfordisp);
 249   cev1=new TCanvas("cev1",ctit,600,600);
 250   if(gptsRZ->GetN()>0){
 251     gptsRZ->SetMarkerStyle(7);
 252     gptsRZ->SetTitle(0);
 253     gptsRZ->Draw("AP");
 254     gptsRZ->GetXaxis()->SetTitle("Zglob");
 255     gptsRZ->GetYaxis()->SetTitle("Radius");
 256   }
 257
 258   return 0;
 259 }
 260
 261