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Commit | Line | Data |
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e8189707 | 1 | #include "iostream.h" |
2 | ||
3 | void ITSreadRecPointsTest (Int_t evNumber1=0,Int_t evNumber2=0) | |
4 | { | |
5 | ///////////////////////////////////////////////////////////////////////// | |
6 | // This macro is a small example of a ROOT macro | |
7 | // illustrating how to read the output of GALICE | |
8 | // and do some analysis. | |
9 | // | |
10 | ///////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | // Dynamically link some shared libs | |
13 | ||
14 | if (gClassTable->GetID("AliRun") < 0) { | |
15 | gROOT->LoadMacro("loadlibs.C"); | |
16 | loadlibs(); | |
17 | } | |
1af46cd3 | 18 | // Anyway, this macro needs to read a gAlice file, so it |
19 | // clears the gAlice object if there is already one in memory... | |
20 | else { | |
21 | if(gAlice){ | |
22 | delete gAlice; | |
23 | gAlice = 0; | |
24 | } | |
25 | } | |
e8189707 | 26 | |
27 | // Connect the Root Galice file containing Geometry, Kine and Hits | |
28 | ||
29 | TFile *file = (TFile*)gROOT->GetListOfFiles()->FindObject("galice.root"); | |
30 | if (!file) file = new TFile("galice.root"); | |
31 | file->ls(); | |
32 | ||
33 | // Get AliRun object from file or create it if not on file | |
34 | ||
35 | if (!gAlice) { | |
36 | gAlice = (AliRun*)file->Get("gAlice"); | |
37 | if (gAlice) printf("AliRun object found on file\n"); | |
38 | if (!gAlice) gAlice = new AliRun("gAlice","Alice test program"); | |
39 | } | |
40 | ||
41 | // | |
42 | // Loop over events | |
43 | // | |
44 | Int_t Nh=0; | |
45 | Int_t Nh1=0; | |
46 | for (int nev=0; nev<= evNumber2; nev++) { | |
47 | Int_t nparticles = gAlice->GetEvent(nev); | |
48 | cout << "nev " << nev <<endl; | |
49 | cout << "nparticles " << nparticles <<endl; | |
50 | if (nev < evNumber1) continue; | |
51 | if (nparticles <= 0) return; | |
52 | ||
53 | TTree *TH = gAlice->TreeH(); | |
54 | Int_t ntracks = TH->GetEntries(); | |
55 | cout<<"ntracks "<<ntracks<<endl; | |
56 | ||
57 | Int_t nbytes = 0; | |
58 | ||
59 | AliITSRecPoint *recp; | |
60 | ||
61 | // Get pointers to Alice detectors and Digits containers | |
62 | AliITS *ITS = (AliITS*)gAlice->GetModule("ITS"); | |
63 | if (!ITS) return; | |
64 | TClonesArray *Particles = gAlice->Particles(); | |
65 | TTree *TR = gAlice->TreeR(); | |
66 | Int_t nent=TR->GetEntries(); | |
67 | printf("Found %d entries in the tree (must be one per module per event!)\n",nent); | |
68 | ||
69 | TClonesArray *ITSrec = ITS->RecPoints(); | |
70 | for (Int_t mod=0; mod<nent; mod++) { | |
71 | ITS->ResetRecPoints(); | |
8b8185ba | 72 | TR->GetEvent(mod); |
e8189707 | 73 | Int_t nrecp = ITSrec->GetEntries(); |
74 | if (nrecp) printf("Found %d rec points for module %d \n",nrecp,mod); | |
75 | if (!nrecp) continue; | |
76 | ||
77 | for (Int_t irec=0;irec<nrecp;irec++) { | |
78 | recp = (AliITSRecPoint*)ITSrec->UncheckedAt(irec); | |
8b8185ba | 79 | printf("%d %f %f %d %d %d\n",irec,recp->GetX(),recp->GetZ(),recp->GetLabel(0),recp->GetLabel(1),recp->GetLabel(2)); |
e8189707 | 80 | |
81 | } | |
82 | } | |
83 | } // event loop | |
84 | ||
85 | cout<<"END test for rec points "<<endl; | |
86 | ||
87 | file->Close(); | |
88 | } | |
89 | ||
90 | ||
91 |