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Commit | Line | Data |
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fa148e6c | 1 | void AliTRDanaDigits() |
2 | { | |
3 | ||
4 | ///////////////////////////////////////////////////////////////////////// | |
5 | // | |
6 | // Example macro for the analysis of the TRD digits and the use | |
7 | // of the AliTRDmatrix class. | |
8 | // | |
9 | ///////////////////////////////////////////////////////////////////////// | |
10 | ||
11 | // Dynamically link some shared libs | |
12 | if (gClassTable->GetID("AliRun") < 0) { | |
13 | gROOT->LoadMacro("loadlibs.C"); | |
14 | loadlibs(); | |
15 | } | |
16 | ||
17 | // Input file name | |
5990c064 | 18 | Char_t *alifile = "galice.root"; |
fa148e6c | 19 | |
20 | // Event number | |
21 | Int_t nEvent = 0; | |
22 | ||
23 | // Define the objects | |
5990c064 | 24 | AliTRDv1 *trd; |
25 | AliTRDgeometry *geo; | |
26 | AliTRDdigit *digit; | |
27 | AliTRDparameter *par; | |
fa148e6c | 28 | |
29 | Int_t track; | |
30 | ||
31 | // Connect the AliRoot file containing Geometry, Kine, Hits, and digits | |
32 | TFile *gafl = (TFile*) gROOT->GetListOfFiles()->FindObject(alifile); | |
33 | if (!gafl) { | |
34 | cout << "Open the ALIROOT-file " << alifile << endl; | |
35 | gafl = new TFile(alifile); | |
36 | } | |
37 | else { | |
38 | cout << alifile << " is already open" << endl; | |
39 | } | |
40 | ||
41 | // Get AliRun object from file or create it if not on file | |
42 | gAlice = (AliRun*) gafl->Get("gAlice"); | |
43 | if (gAlice) | |
44 | cout << "AliRun object found on file" << endl; | |
45 | else | |
46 | gAlice = new AliRun("gAlice","Alice test program"); | |
47 | ||
48 | // Import the Trees for the event nEvent in the file | |
49 | Int_t nparticles = gAlice->GetEvent(nEvent); | |
50 | if (nparticles <= 0) break; | |
51 | ||
52 | // Get the pointer to the detector object | |
53 | trd = (AliTRDv1*) gAlice->GetDetector("TRD"); | |
54 | ||
55 | // Get the pointer to the geometry object | |
56 | if (trd) { | |
57 | geo = trd->GetGeometry(); | |
58 | } | |
59 | else { | |
60 | cout << "Cannot find the geometry" << endl; | |
61 | break; | |
62 | } | |
63 | ||
5990c064 | 64 | // The parameter object |
65 | par = new AliTRDparameter("TRDparameter","TRD parameter class"); | |
66 | ||
fa148e6c | 67 | // Create the digits manager |
68 | AliTRDdigitsManager *digitsManager = new AliTRDdigitsManager(); | |
69 | digitsManager->SetDebug(1); | |
fa148e6c | 70 | |
71 | // Read the digits from the file | |
72 | digitsManager->Open(alifile); | |
73 | digitsManager->ReadDigits(); | |
74 | ||
75 | // Get the detector number | |
5990c064 | 76 | Int_t iDet = 514; |
fa148e6c | 77 | cout << " iDet = " << iDet << endl; |
78 | ||
79 | // Define the detector matrix for one chamber | |
80 | const Int_t iSec = geo->GetSector(iDet); | |
81 | const Int_t iCha = geo->GetChamber(iDet); | |
82 | const Int_t iPla = geo->GetPlane(iDet); | |
5990c064 | 83 | Int_t rowMax = par->GetRowMax(iPla,iCha,iSec); |
84 | Int_t colMax = par->GetColMax(iPla); | |
85 | Int_t timeMax = par->GetTimeMax(); | |
fa148e6c | 86 | cout << "Geometry: rowMax = " << rowMax |
87 | << " colMax = " << colMax | |
88 | << " timeMax = " << timeMax << endl; | |
89 | AliTRDmatrix *matrix = new AliTRDmatrix(rowMax,colMax,timeMax,iSec,iCha,iPla); | |
90 | ||
91 | // Loop through the detector pixel | |
92 | for (Int_t time = 0; time < timeMax; time++) { | |
93 | for (Int_t col = 0; col < colMax; col++) { | |
94 | for (Int_t row = 0; row < rowMax; row++) { | |
95 | ||
96 | digit = digitsManager->GetDigit(row,col,time,iDet); | |
97 | track = digitsManager->GetTrack(0,row,col,time,iDet); | |
98 | ||
fa148e6c | 99 | matrix->SetSignal(row,col,time,digit->GetAmp()); |
100 | ||
101 | delete digit; | |
102 | ||
103 | } | |
104 | } | |
105 | } | |
106 | ||
107 | // Display the detector matrix | |
108 | matrix->Draw(); | |
fa148e6c | 109 | matrix->ProjRow(); |
110 | matrix->ProjCol(); | |
111 | matrix->ProjTime(); | |
112 | ||
113 | } |