3 gROOT->SetStyle("Plain");
5 gSystem->Load("libITSUpgradeBase");
6 gSystem->Load("libITSUpgradeSim");
8 TH2F *xyGlob = new TH2F("xyGlob"," X - Y Global coordinates ",100,-50,50,100,-50,50);
9 xyGlob->SetXTitle("cm");
10 xyGlob->SetMarkerStyle(7);
11 TH1F *zGlob = new TH1F("zGlob", " Z Global coordinates ",200, -100,100 );
12 zGlob->SetXTitle("cm");
19 AliRunLoader* runLoader = AliRunLoader::Open("galice.root");
20 runLoader->LoadgAlice();
22 gAlice = runLoader->GetAliRun();
24 runLoader->LoadHeader();
25 runLoader->LoadKinematics();
26 runLoader->LoadSDigits();
27 runLoader->LoadHits();
29 AliGeomManager::LoadGeometry("geometry.root");
30 AliITSUGeomTGeo* gm = new AliITSUGeomTGeo(kTRUE);
32 AliLoader *dl = runLoader->GetDetectorLoader("ITS");
36 Int_t nLayers = gm->GetNLayers();
38 TH1D **hDeLoss = new TH1D*[nLayers];
39 for(Int_t i=0; i< nLayers; i++ ) {
40 hDeLoss[i] = new TH1D(Form("hDeLossl%i",i),Form("E loss distribution [ Layer %i] ",i),nbins,xmin,xmax);
41 hDeLoss[i]->SetXTitle("GeV");
48 TClonesArray *hitList=new TClonesArray("AliITSUHit");
50 for (Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); iEvent++) {
52 runLoader->GetEvent(iEvent);
55 hitTree->SetBranchAddress("ITS",&hitList);
56 for(Int_t iEnt=0;iEnt<hitTree->GetEntries();iEnt++){//entries loop degli hits
57 hitTree->GetEntry(iEnt);
58 for(Int_t iHit=0; iHit<hitList->GetEntries();iHit++){
60 AliITSUHit *pHit = (AliITSUHit*)hitList->At(iHit);
61 int id = pHit->GetModule();
62 int lr = gm->GetLayer(id);
63 int ld = gm->GetLadder(id);
65 // if(pHit->GetParticle()->IsPrimary()){
67 pHit->GetPositionG(xg,yg,zg);
70 printf("Module %d | Lr:%d Ladder: %d, X:%+.3e Y:%+.3e Z:%+.3e TrackID: %d\n",id,lr,ld,xg,yg,zg,pHit->GetTrack());
71 hDeLoss[lr]->Fill(pHit->GetIonization());
78 TCanvas *xyCanv = new TCanvas("xyCanv","Hit X-Y positions",500,500);
81 TCanvas *zCanv = new TCanvas("zCanv","Hit Z positions",500,500);
85 TCanvas *c = new TCanvas("c","E loss distribution per layer",1000,800);
86 c->Divide(nLayers&0x1 ? (nLayers/2+1) : nLayers/2,2);
87 for(Int_t ip =1; ip<=nLayers; ip++){
89 hDeLoss[ip-1]->Draw();