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Commit | Line | Data |
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fe4da5cc | 1 | void RICH (Int_t evNumber=0) |
2 | { | |
3 | ///////////////////////////////////////////////////////////////////////// | |
4 | // This macro is a small example of a ROOT macro | |
5 | // illustrating how to read the output of GALICE | |
6 | // for RICH | |
7 | // | |
8 | // Root > .L RICH.C //this loads the macro in memory | |
9 | // Root > RICH(); //by default process first event | |
10 | // Root > RICH(2); //process third event | |
11 | ///////////////////////////////////////////////////////////////////////// | |
12 | ||
13 | ||
14 | // Dynamically link some shared libs | |
15 | if (gClassTable->GetID("AliRun") < 0) { | |
16 | gSystem->Load("libGeant3Dummy.so"); // a dummy version of Geant3 | |
17 | gSystem->Load("PHOS/libPHOSdummy.so"); // the standard Alice classes | |
18 | gSystem->Load("libgalice.so"); // the standard Alice classes | |
19 | } | |
20 | ||
21 | // Connect the Root Galice file containing Geometry, Kine and Hits | |
22 | TFile *file = (TFile*)gROOT->GetListOfFiles()->FindObject("galice.root"); | |
23 | if (!file) file = new TFile("galice.root"); | |
24 | ||
25 | // Get AliRun object from file or create it if not on file | |
26 | if (!gAlice) { | |
27 | gAlice = (AliRun*)file->Get("gAlice"); | |
28 | if (gAlice) printf("AliRun object found on file\n"); | |
29 | if (!gAlice) gAlice = new AliRun("gAlice","Alice test program"); | |
30 | } | |
31 | ||
32 | // Import the Kine and Hits Trees for the event evNumber in the file | |
33 | Int_t nparticles = gAlice->GetEvent(evNumber); | |
34 | if (nparticles <= 0) return; | |
35 | Float_t x,y,z,mass,e; | |
36 | Int_t nbytes = 0; | |
37 | Int_t j,hit,ipart; | |
38 | Int_t nhits; | |
39 | Int_t sector,plane; | |
40 | GParticle *particle; | |
41 | AliTPChit *tpcHit; | |
42 | AliTRDhit *trdHit; | |
43 | ||
44 | // Get pointers to Alice detectors and Hits containers | |
45 | AliRICH *RICH = gAlice->GetDetector("RICH"); | |
46 | TClonesArray *Particles = gAlice->Particles(); | |
47 | if (RICH) { | |
48 | TClonesArray *RICHhits = RICH->Hits(); | |
49 | TClonesArray *Mips = RICH->Mips(); | |
50 | TClonesArray *Ckovs = RICH->Ckovs(); | |
51 | TClonesArray *Padhits = RICH->Padhits(); | |
52 | } | |
53 | printf("RICHhits, Mips, Ckovs, Pad %d, %d, %d, %d\n",RICHhits,Mips,Ckovs,Padhits); | |
54 | ||
55 | TTree *TH = gAlice->TreeH(); | |
56 | Int_t ntracks = TH->GetEntries(); | |
57 | ||
58 | // Start loop on tracks in the hits containers | |
59 | for (Int_t track=0; track<ntracks;track++) { | |
60 | gAlice->ResetHits(); | |
61 | nbytes += TH->GetEvent(track); | |
62 | Int_t nrich=RICHhits->GetEntriesFast(); | |
63 | if(nrich) { | |
64 | printf("Number of hit entries %d\n",nrich); | |
65 | printf("Number of Mips entries %d\n",Mips->GetEntriesFast()); | |
66 | printf("Number of Ckovs entries %d\n",Ckovs->GetEntriesFast()); | |
67 | printf("Number of Padhits entries %d\n",Padhits->GetEntriesFast()); | |
68 | } | |
69 | } | |
70 | } |