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Commit | Line | Data |
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2603d98a | 1 | Int_t AliITSHitsToDigitsDefault(Int_t evNumber1=0,Int_t evNumber2=0, |
2 | const char *inFile="galice.root"){ | |
d4b94d24 | 3 | ///////////////////////////////////////////////////////////////////////// |
4 | // This macro is a small example of a ROOT macro | |
5 | // illustrating how to read the output of GALICE | |
6 | // and do some analysis. | |
7 | // | |
8 | ///////////////////////////////////////////////////////////////////////// | |
9 | ||
10 | // Dynamically link some shared libs | |
11 | if (gClassTable->GetID("AliRun") < 0) { | |
12 | gROOT->LoadMacro("loadlibs.C"); | |
13 | loadlibs(); | |
14 | } // end if | |
15 | ||
16 | // Connect the Root Galice file containing Geometry, Kine and Hits | |
17 | ||
18 | TFile *file = (TFile*)gROOT->GetListOfFiles()->FindObject(inFile); | |
2603d98a | 19 | if (file) {file->Close(); delete file;} |
20 | cout << "AliITSHitsToDigitsDefault" << endl; | |
21 | file = new TFile(inFile,"UPDATE"); | |
22 | if (!file->IsOpen()) { | |
23 | cerr<<"Can't open "<<inFile<<" !" << endl; | |
24 | return 1; | |
25 | } // end if !file | |
d4b94d24 | 26 | file->ls(); |
2603d98a | 27 | |
28 | // Get AliRun object from file or return if not on file | |
29 | if (gAlice) delete gAlice; | |
30 | gAlice = (AliRun*)file->Get("gAlice"); | |
d4b94d24 | 31 | if (!gAlice) { |
2603d98a | 32 | cerr << "AliITSITSHits2Digits.C : AliRun object not found on file" |
33 | << endl; | |
34 | return 2; | |
35 | } // end if !gAlice | |
d4b94d24 | 36 | |
2603d98a | 37 | gAlice->GetEvent(0); |
38 | AliITS *ITS = (AliITS*) gAlice->GetDetector("ITS"); | |
39 | if (!ITS){ | |
40 | cerr << "ITS not found in gAlice. Exiting." << endl; | |
41 | return 3; | |
42 | } // end if | |
43 | if(!(ITS->GetITSgeom())){ | |
44 | cerr << " AliITSgeom not found. Can't digitize with out it." << endl; | |
45 | return 4; | |
46 | } // end if | |
d4b94d24 | 47 | |
48 | if(!gAlice->TreeD()){ | |
49 | cout << "Having to create the Digits Tree." << endl; | |
50 | gAlice->MakeTree("D"); | |
51 | } // end if !gAlice->TreeD() | |
52 | //make branch | |
53 | ITS->MakeBranch("D"); | |
54 | ITS->SetTreeAddress(); | |
2603d98a | 55 | |
d4b94d24 | 56 | cout<<"Digitizing ITS..." << endl; |
57 | TStopwatch timer; | |
58 | Long_t size0 = file->GetSize(); | |
59 | ||
60 | for (Int_t nev=evNumber1; nev<= evNumber2; nev++) { | |
61 | cout << "nev " <<nev<<endl; | |
62 | if(nev>0) { | |
d4b94d24 | 63 | gAlice->SetEvent(nev); |
64 | if(!gAlice->TreeD()) gAlice->MakeTree("D"); | |
65 | ITS->MakeBranch("D"); | |
66 | } // end if nev>0 | |
d4b94d24 | 67 | if (nev < evNumber1) continue; |
d4b94d24 | 68 | timer.Start(); |
2603d98a | 69 | ITS->HitsToDigits(nev,0,-1," ","All"," "); |
d4b94d24 | 70 | timer.Stop(); timer.Print(); |
71 | } // event loop | |
72 | ||
2603d98a | 73 | delete gAlice; gAlice=0; |
d4b94d24 | 74 | file->Close(); |
75 | Long_t size1 = file->GetSize(); | |
76 | cout << "File size before = " << size0 << " file size after = " << size1; | |
77 | cout << "Increase in file size is " << size1-size0 << " Bytes" << endl; | |
78 | delete file; | |
79 | return 0; | |
80 | }; |