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e8189707 | 1 | #include "iostream.h" |
2 | ||
3 | void ITSHitsToDigits (Int_t evNumber1=0,Int_t evNumber2=0,Int_t nsignal =25, Int_t size=-1) | |
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(); | |
9c712bc6 | 17 | } else { |
18 | delete gAlice; | |
19 | gAlice=0; | |
20 | } | |
e8189707 | 21 | |
22 | ||
23 | // Connect the Root Galice file containing Geometry, Kine and Hits | |
24 | ||
25 | TFile *file = (TFile*)gROOT->GetListOfFiles()->FindObject("galice.root"); | |
26 | printf("file %p\n",file); | |
27 | if (file) file->Close(); | |
28 | if (!file) file = new TFile("galice.root","UPDATE"); | |
29 | file->ls(); | |
30 | ||
31 | printf ("I'm after Map \n"); | |
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 | printf ("I'm after gAlice \n"); | |
41 | ||
42 | AliITS *ITS = (AliITS*) gAlice->GetModule("ITS"); | |
43 | if (!ITS) return; | |
44 | ||
45 | ||
46 | // Set the simulation models | |
47 | ||
48 | AliITSgeom *geom = ITS->GetITSgeom(); | |
49 | ||
50 | // SDD | |
51 | // SDD compression param: 2 fDecrease, 2fTmin, 2fTmax or disable, 2 fTolerance | |
b9381d0c | 52 | |
af4af6f5 | 53 | AliITSDetType *iDetType=ITS->DetType(1); |
54 | AliITSresponseSDD *res1 = (AliITSresponseSDD*)iDetType->GetResponseModel(); | |
55 | if (!res1) { | |
56 | res1=new AliITSresponseSDD(); | |
57 | ITS->SetResponseModel(1,res1); | |
58 | } | |
b9381d0c | 59 | |
1ef94a0c | 60 | //res1->SetChargeLoss(0.); |
61 | Float_t baseline; | |
62 | Float_t noise; | |
63 | res1->GetNoiseParam(noise,baseline); | |
64 | Float_t noise_after_el = res1->GetNoiseAfterElectronics(); | |
65 | cout << "noise_after_el: " << noise_after_el << endl; | |
66 | Float_t fCutAmp; | |
67 | fCutAmp = baseline; | |
68 | fCutAmp += (2.*noise_after_el); // noise | |
69 | cout << "Cut amplitude: " << fCutAmp << endl; | |
70 | Int_t cp[8]={0,0,fCutAmp,fCutAmp,0,0,0,0}; | |
71 | res1->SetCompressParam(cp); | |
72 | // res1->SetElectronics(2); // 1 = Pascal, 2 = OLA | |
6bfd27fa | 73 | |
1ef94a0c | 74 | res1->Print(); |
b9381d0c | 75 | |
1ef94a0c | 76 | //cout << "SDD segmentation" << endl; |
e8189707 | 77 | |
78 | AliITSsegmentationSDD *seg1=(AliITSsegmentationSDD*)iDetType->GetSegmentationModel(); | |
79 | if (!seg1) { | |
80 | seg1 = new AliITSsegmentationSDD(geom,res1); | |
81 | ITS->SetSegmentationModel(1,seg1); | |
82 | } | |
1ef94a0c | 83 | seg1->Print(); |
e8189707 | 84 | |
1ef94a0c | 85 | //cout << "SDD segmentation" << endl; |
e8189707 | 86 | AliITSsimulationSDD *sim1=new AliITSsimulationSDD(seg1,res1); |
87 | ITS->SetSimulationModel(1,sim1); | |
1ef94a0c | 88 | sim1->Print(); |
e8189707 | 89 | |
90 | ||
91 | ||
92 | // SPD | |
93 | ||
94 | AliITSDetType *iDetType=ITS->DetType(0); | |
95 | AliITSsegmentationSPD *seg0=(AliITSsegmentationSPD*)iDetType->GetSegmentationModel(); | |
96 | AliITSresponseSPD *res0 = (AliITSresponseSPD*)iDetType->GetResponseModel(); | |
97 | AliITSsimulationSPD *sim0=new AliITSsimulationSPD(seg0,res0); | |
98 | ITS->SetSimulationModel(0,sim0); | |
99 | // test | |
9c712bc6 | 100 | //printf("SPD dimensions %f %f \n",seg0->Dx(),seg0->Dz()); |
101 | //printf("SPD npixels %d %d \n",seg0->Npz(),seg0->Npx()); | |
102 | //printf("SPD pitches %d %d \n",seg0->Dpz(0),seg0->Dpx(0)); | |
e8189707 | 103 | // end test |
104 | ||
105 | ||
106 | // SSD | |
107 | ||
108 | AliITSDetType *iDetType=ITS->DetType(2); | |
109 | AliITSsegmentationSSD *seg2=(AliITSsegmentationSSD*)iDetType->GetSegmentationModel(); | |
110 | AliITSresponseSSD *res2 = (AliITSresponseSSD*)iDetType->GetResponseModel(); | |
111 | res2->SetSigmaSpread(3.,2.); | |
112 | AliITSsimulationSSD *sim2=new AliITSsimulationSSD(seg2,res2); | |
113 | ITS->SetSimulationModel(2,sim2); | |
114 | ||
115 | ||
116 | // | |
117 | // Event Loop | |
118 | // | |
119 | ||
e8189707 | 120 | |
a939f834 | 121 | // create the TreeD |
122 | ||
123 | Int_t nparticles=gAlice->GetEvent(0); | |
124 | printf("Create TreeD \n"); | |
629ed79f | 125 | if(!gAlice->TreeD()) gAlice->MakeTree("D"); |
a939f834 | 126 | //make branch |
127 | ITS->MakeBranch("D"); | |
128 | ||
129 | Int_t nbgr_ev=0; | |
e53d0fac | 130 | |
131 | ||
132 | cout<<"Digitizing ITS...\n"; | |
133 | TStopwatch timer; | |
134 | ||
e8189707 | 135 | for (Int_t nev=evNumber1; nev<= evNumber2; nev++) { |
136 | cout << "nev " <<nev<<endl; | |
a939f834 | 137 | if(nev>0) { |
138 | nparticles = gAlice->GetEvent(nev); | |
139 | gAlice->SetEvent(nev); | |
629ed79f | 140 | if(!gAlice->TreeD()) gAlice-> MakeTree("D"); |
a939f834 | 141 | ITS->MakeBranch("D"); |
142 | } | |
e8189707 | 143 | cout << "nparticles " <<nparticles<<endl; |
144 | if (nev < evNumber1) continue; | |
145 | if (nparticles <= 0) return; | |
146 | ||
9c712bc6 | 147 | Int_t nbgr_ev=0; |
148 | if(nsignal) nbgr_ev=Int_t(nev/nsignal); | |
1ef94a0c | 149 | timer.Start(); |
e8189707 | 150 | ITS->HitsToDigits(nev,nbgr_ev,size," ","All"," "); |
1ef94a0c | 151 | timer.Stop(); timer.Print(); |
e8189707 | 152 | } // event loop |
153 | ||
9c712bc6 | 154 | delete sim0; |
155 | delete sim1; | |
156 | delete sim2; | |
157 | ||
158 | ||
e8189707 | 159 | file->Close(); |
160 | } | |
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