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2d3c3da3 | 1 | // ----------------------------------------------------// |
2 | // // | |
3 | // This macro reads the PMD clusters which // | |
4 | // are stored in the file "PMD.RecPoints.root" // | |
5 | // // | |
6 | // ----------------------------------------------------// | |
7 | ||
8 | #include <Riostream.h> | |
9 | #include "TBranch.h" | |
10 | #include "TStopwatch.h" | |
11 | ||
12 | extern AliRun *gAlice; | |
13 | ||
14 | Int_t AliPMDRecpointRead(Int_t nevent = 1) | |
15 | { | |
16 | if (gAlice) | |
17 | { | |
33c3c91a | 18 | delete AliRunLoader::Instance(); |
2d3c3da3 | 19 | delete gAlice;//if everything was OK here it is already NULL |
20 | gAlice = 0x0; | |
21 | } | |
22 | AliRunLoader *fRunLoader = AliRunLoader::Open("galice.root","Event","update"); | |
23 | if (!fRunLoader) | |
24 | { | |
25 | cerr<<"Can't load RunLoader"<<endl; | |
26 | return 1; | |
27 | } | |
28 | AliLoader *pmdloader = fRunLoader->GetLoader("PMDLoader"); | |
29 | Int_t nevent = fRunLoader->GetNumberOfEvents(); | |
30 | cout << " * *********** nevent = " << nevent << endl; | |
31 | ||
32 | if (pmdloader == 0x0) | |
33 | { | |
34 | cerr<<" ===> Can not find PMD or PMDLoader <===\n"; | |
35 | delete fRunLoader; | |
36 | return 2; | |
37 | } | |
38 | ||
39 | pmdloader->LoadRecPoints("READ"); | |
40 | TClonesArray *fRecpoints; | |
41 | AliPMDUtility *cc = new AliPMDUtility(); | |
42 | TH2F *h2 = new TH2F("h2"," ",100,-100.,100.,100,-100.,100.); | |
43 | ||
44 | FILE *fpw = fopen("junk_rec.dat","w"); | |
45 | ||
46 | for (Int_t ievt = 0; ievt < nevent; ievt++) | |
47 | { | |
48 | fRunLoader->GetEvent(ievt); | |
49 | TTree *treeR = pmdloader->TreeR(); | |
50 | if (treeR == 0x0) | |
51 | { | |
52 | cout << " Can not get TreeR" << endl; | |
53 | return 3; | |
54 | } | |
55 | ||
56 | AliPMDrecpoint1 *pmdrecpoint; | |
50555ba1 | 57 | TBranch *branch1 = treeR->GetBranch("PMDRecpoint"); |
58 | branch1->SetAddress(&fRecpoints); | |
2d3c3da3 | 59 | /********************************************************************** |
60 | * det : Detector, 0: PRE & 1:CPV * | |
01c4d84a | 61 | * smn : Serial Module Number from 0 to 23 for both detector * |
2d3c3da3 | 62 | * xpos : x-position of the cluster * |
63 | * ypos : y-position of the cluster * | |
64 | * THESE xpos & ypos are not the true xpos and ypos * | |
65 | * for some of the unit modules. They are rotated. * | |
66 | * adc : ADC contained in the cluster * | |
67 | * ncell : Number of cells contained in the cluster * | |
68 | * rad : radius of the cluster (1d fit) * | |
2d3c3da3 | 69 | * xpad : TRUE x-position of the cluster * |
70 | * ypad : TRUE y-position of the cluster * | |
71 | **********************************************************************/ | |
01c4d84a | 72 | |
2d3c3da3 | 73 | Int_t det,smn; |
74 | Float_t xpos,ypos, xpad, ypad; | |
50555ba1 | 75 | Float_t adc, ncell, sigx, sigy; |
2d3c3da3 | 76 | Float_t xx, yy; |
50555ba1 | 77 | Int_t nmodules = branch1->GetEntries(); |
2d3c3da3 | 78 | cout << " nmodules = " << nmodules << endl; |
79 | for (Int_t imodule = 0; imodule < nmodules; imodule++) | |
80 | { | |
50555ba1 | 81 | branch1->GetEntry(imodule); |
2d3c3da3 | 82 | Int_t nentries = fRecpoints->GetLast(); |
83 | for(Int_t ient = 0; ient < nentries+1; ient++) | |
84 | { | |
85 | pmdrecpoint = (AliPMDrecpoint1*)fRecpoints->UncheckedAt(ient); | |
86 | det = (Int_t) pmdrecpoint->GetDetector(); | |
87 | smn = (Int_t) pmdrecpoint->GetSMNumber(); | |
88 | xpos = pmdrecpoint->GetClusX(); | |
89 | ypos = pmdrecpoint->GetClusY(); | |
90 | adc = pmdrecpoint->GetClusADC(); | |
91 | ncell = pmdrecpoint->GetClusCells(); | |
50555ba1 | 92 | sigx = pmdrecpoint->GetClusSigmaX(); |
93 | sigy = pmdrecpoint->GetClusSigmaY(); | |
01c4d84a | 94 | |
2d3c3da3 | 95 | // |
96 | // User has to plug in his analysis code here | |
97 | // | |
98 | ||
01c4d84a | 99 | fprintf(fpw,"%d %d %d %d\n", |
100 | det,smn,xpos,ypos); | |
2d3c3da3 | 101 | // |
102 | // Plot the cluster centroid to see the PMD geometry | |
103 | // using the PMD Utility class | |
104 | // | |
01c4d84a | 105 | if (det == 0) |
2d3c3da3 | 106 | { |
107 | // Draw only for PRE plane | |
01c4d84a | 108 | //cc->RectGeomCellPos(ism,xpad,ypad,xx,yy); |
109 | cc->RectGeomCellPos(smn,xpos,ypos,xx,yy); | |
2d3c3da3 | 110 | h2->Fill(xx,yy); |
111 | } | |
112 | ||
113 | // | |
114 | // End of the User code | |
115 | // | |
116 | } | |
117 | } | |
118 | ||
119 | } | |
120 | ||
121 | h2->Draw(); | |
122 | ||
123 | fclose(fpw); | |
124 | return 0; | |
125 | } | |
126 |