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Commit | Line | Data |
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a9e2aefa | 1 | #include "iostream.h" |
2 | ||
3 | void MUONhitrectest (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 | } | |
18 | ||
19 | // Connect the Root Galice file containing Geometry, Kine and Hits | |
20 | ||
21 | TFile *file = (TFile*)gROOT->GetListOfFiles()->FindObject("galice.root"); | |
22 | if (!file) file = new TFile("galice.root"); | |
23 | ||
24 | // Get AliRun object from file or create it if not on file | |
25 | ||
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 | // Create some histograms | |
32 | ||
33 | TH2F *h21 = new TH2F("h21","Hits",100,-100,100,100,-100,100); | |
34 | TH2F *h22 = new TH2F("h22","CoG ",100,-100,100,100,-100,100); | |
35 | TH1F *h1 = new TH1F("h1","Multiplicity",30,-0.5,29.5); | |
36 | TH1F *hmult = new TH1F("hmult","Multiplicity",30,-0.5,29.5); | |
37 | TH1F *hresx = new TH1F("hresx","Residuals",100,-1,1); | |
38 | TH1F *hresy = new TH1F("hresy","Residuals",100,-10.,10); | |
39 | TH1F *hresym = new TH1F("hresym","Residuals",100,-500,500); | |
40 | TH1F *hpos = new TH1F("hnpos","Possibilities",10,-0.5,9.5); | |
41 | TH2F *hchi1 = new TH2F("hchi1","Chi2 vs Residuals",100,0,0.2,100,-500,500); | |
42 | TH2F *hchi2 = new TH2F("hchi2","Chi2 vs Residuals",100,0,20,100,-500,500); | |
43 | // | |
44 | // Loop over events | |
45 | // | |
46 | Int_t Nh=0; | |
47 | Int_t Nh1=0; | |
48 | ||
49 | for (int nev=0; nev<= evNumber2; nev++) { | |
50 | Int_t nparticles = gAlice->GetEvent(nev); | |
51 | cout << "nev " << nev <<endl; | |
52 | cout << "nparticles " << nparticles <<endl; | |
53 | if (nev < evNumber1) continue; | |
54 | if (nparticles <= 0) return; | |
55 | ||
56 | TTree *TH = gAlice->TreeH(); | |
57 | Int_t ntracks = TH->GetEntries(); | |
58 | cout<<"ntracks "<<ntracks<<endl; | |
59 | ||
60 | Int_t nbytes = 0; | |
61 | ||
62 | ||
63 | ||
64 | // Get pointers to Alice detectors and Digits containers | |
65 | AliMUON *MUON = (AliMUON*) gAlice->GetModule("MUON"); | |
66 | TClonesArray *Particles = gAlice->Particles(); | |
67 | TTree *TR = gAlice->TreeR(); | |
68 | Int_t nent=TR->GetEntries(); | |
69 | printf("Found %d entries in the tree (must be one per cathode per event! + 1empty)\n",nent); | |
70 | if (MUON) { | |
71 | Float_t xc[2000], yc[2000], itrc[2000]; | |
72 | TClonesArray *MUONrawclust = MUON->RawClustAddress(0); | |
73 | nbytes += TR->GetEvent(1); | |
74 | Int_t nrawcl = MUONrawclust->GetEntries(); | |
75 | AliMUONRawCluster *mRaw; | |
76 | for (Int_t iraw=0; iraw < nrawcl; iraw++) { | |
77 | mRaw = (AliMUONRawCluster*)MUONrawclust->UncheckedAt(iraw); | |
78 | xc[iraw]=mRaw->fX[1]; | |
79 | yc[iraw]=mRaw->fY[0]; | |
80 | itrc[iraw]=mRaw->fTracks[1]; | |
81 | } // cluster | |
82 | ||
83 | gAlice->ResetHits(); | |
84 | for (Int_t itrack=0; itrack<ntracks ;itrack++) | |
85 | { | |
86 | Int_t nbytes += TH->GetEvent(itrack); | |
87 | Int_t nhit=MUON->Hits()->GetEntriesFast(); | |
88 | for(AliMUONHit* mHit=(AliMUONHit*)MUON->FirstHit(itrack); | |
89 | mHit; | |
90 | mHit=(AliMUONHit*)MUON->NextHit()) | |
91 | { | |
92 | Int_t nch = mHit->fChamber; // chamber number | |
93 | Float_t x = mHit->fX; // x-pos of hit | |
94 | Float_t y = mHit->fY; // y-pos | |
95 | Int_t ip = mHit->fParticle; | |
96 | if (ip != kMuonPlus && ip != kMuonMinus) continue; | |
97 | if (nch != 1) continue; | |
98 | Float_t dmin=1.e8; | |
99 | Int_t imin=-1; | |
100 | // | |
101 | // Loop over clusters | |
102 | Int_t npos=0; | |
103 | ||
104 | for (Int_t i=0; i<nrawcl; i++) { | |
105 | Float_t dx = xc[i]-x; | |
106 | Float_t dy = yc[i]-y; | |
107 | Float_t dr = TMath::Sqrt(dx*dx+dy*dy); | |
108 | if (dr<dmin) { | |
109 | imin=i; | |
110 | dmin=dr; | |
111 | } | |
112 | if (TMath::Abs(dy)< 0.05 && TMath::Abs(dx)< 0.2 ) npos++; | |
113 | } | |
114 | mRaw = (AliMUONRawCluster*)MUONrawclust->UncheckedAt(imin); | |
115 | Int_t track=mRaw->fTracks[1]; | |
116 | Float_t xrec=mRaw->fX[1]; | |
117 | Float_t yrec=mRaw->fY[0]; | |
118 | Float_t x_res=xrec-x; | |
119 | Float_t y_res=yrec-y; | |
120 | hresx->Fill(x_res,1.); | |
121 | hresy->Fill(y_res,1.); | |
122 | hpos->Fill(Float_t(npos), 1.); | |
123 | hresym->Fill(y_res*1.e4,1.); | |
124 | if (npos == 0) { | |
125 | printf("No cluster %d %f %f %d\n", | |
126 | itrack, x, y, nhit); | |
127 | h21->Fill(x,y,1.); | |
128 | } | |
129 | ||
130 | ||
131 | ||
132 | } // hits | |
133 | } // tracks | |
134 | } // end if MUON | |
135 | } // event loop | |
136 | TCanvas *c1 = new TCanvas("c1","Charge and Residuals",400,10,600,700); | |
137 | c1->Divide(2,2); | |
138 | c1->cd(1); | |
139 | hresx->SetFillColor(42); | |
140 | hresx->SetXTitle("xrec-x"); | |
141 | hresx->Draw(); | |
142 | ||
143 | c1->cd(2); | |
144 | hresy->SetFillColor(42); | |
145 | hresy->SetXTitle("yrec-y"); | |
146 | hresy->Draw(); | |
147 | ||
148 | c1->cd(3); | |
149 | hpos->SetFillColor(42); | |
150 | hpos->SetXTitle("Possibilities"); | |
151 | hpos->Draw(); | |
152 | ||
153 | c1->cd(4); | |
154 | hresym->SetFillColor(42); | |
155 | hresym->SetXTitle("yrec-y"); | |
156 | hresym->Fit("gaus"); | |
157 | hresym->Draw(); | |
158 | ||
159 | TCanvas *c2 = new TCanvas("c2","Charge and Residuals",400,10,600,700); | |
160 | c2->Divide(2,2); | |
161 | ||
162 | c2->cd(1); | |
163 | h21->SetFillColor(42); | |
164 | h21->SetXTitle("x"); | |
165 | h21->SetYTitle("y"); | |
166 | h21->Draw(); | |
167 | ||
168 | c2->cd(2); | |
169 | hmult->SetFillColor(42); | |
170 | hmult->SetXTitle("multiplicity"); | |
171 | hmult->Draw(); | |
172 | ||
173 | c2->cd(3); | |
174 | hchi1->SetFillColor(42); | |
175 | hchi1->SetXTitle("chi2"); | |
176 | hchi1->Draw(); | |
177 | ||
178 | c2->cd(4); | |
179 | hchi2->SetFillColor(42); | |
180 | hchi2->SetXTitle("chi2"); | |
181 | hchi2->Draw(); | |
182 | ||
183 | } | |
184 | ||
185 | ||
186 |