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0cb382c1 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
16 | /* */ | |
17 | ||
18 | // | |
19 | // Macro for checking trigger integrated efficiency for dimuons. | |
20 | // The efficiency is calculated with respect to the 3/4 coincidence. | |
21 | // Author: Fabien Guerin, LPC Clermont-Ferrand, Jan. 2006 | |
22 | // | |
23 | ||
24 | #if !defined(__CINT__) || defined(__MAKECINT__) | |
25 | // ROOT includes | |
26 | #include "TBranch.h" | |
27 | #include "TClonesArray.h" | |
28 | #include "TObject.h" | |
29 | #include "TFile.h" | |
30 | #include "TH1.h" | |
31 | #include "TH2.h" | |
32 | #include "TTree.h" | |
33 | #include "TParticle.h" | |
34 | ||
35 | // STEER includes | |
36 | #include "AliRun.h" | |
37 | #include "AliRunLoader.h" | |
38 | #include "AliHeader.h" | |
39 | #include "AliLoader.h" | |
40 | #include "AliStack.h" | |
41 | ||
42 | // MUON includes | |
43 | #include "AliMUON.h" | |
44 | #include "AliMUONData.h" | |
45 | #include "AliMUONHit.h" | |
46 | #include "AliMUONConstants.h" | |
47 | #include "AliMUONDigit.h" | |
48 | #include "AliMUONRawCluster.h" | |
49 | #include "AliMUONGlobalTrigger.h" | |
50 | #include "AliMUONLocalTrigger.h" | |
51 | #include "AliMUONTrack.h" | |
52 | #endif | |
53 | ||
54 | // Upsilon(1S) | |
55 | ||
56 | ||
57 | void MUONTriggerEfficiency (char filename[10]="galice.root"){ | |
58 | ||
59 | // output file | |
60 | char digitdat[100]; | |
61 | char currentfile[100]; | |
62 | sprintf(digitdat,"MUONTriggerEfficiency.out"); | |
63 | ||
64 | FILE *fdat=fopen(digitdat,"w"); | |
65 | ||
ad705f30 | 66 | Int_t nevents,coincmuon,muonlpt,muonhpt; |
0cb382c1 | 67 | Int_t CoincMuPlus,CoincMuMinus; |
68 | coincmuon=0; | |
0cb382c1 | 69 | muonlpt=0; |
70 | muonhpt=0; | |
71 | ||
72 | ||
73 | // Initialise AliRoot | |
74 | // Creating Run Loader and openning file containing Hits | |
75 | AliRunLoader * RunLoader = AliRunLoader::Open(filename,"MUONFolder","READ"); | |
76 | ||
77 | if (RunLoader ==0x0) { | |
78 | printf(">>> Error : Error Opening %s file \n",currentfile); | |
79 | return; | |
80 | } | |
81 | ||
82 | nevents = RunLoader->GetNumberOfEvents(); | |
83 | ||
84 | //Loading hits | |
85 | AliLoader * MUONHits = RunLoader->GetLoader("MUONLoader"); | |
86 | MUONHits->LoadHits("READ"); | |
87 | AliMUONData data_hits(MUONHits,"MUON","MUON"); | |
88 | ||
89 | //Loading Digits | |
90 | AliLoader * MUONDigits = RunLoader->GetLoader("MUONLoader"); | |
91 | MUONDigits->LoadDigits("READ"); | |
92 | AliMUONData data_digits(MUONDigits,"MUON","MUON"); | |
93 | ||
94 | TClonesArray * globalTrigger; | |
95 | AliMUONGlobalTrigger * gloTrg; | |
96 | ||
97 | ||
98 | for (Int_t ievent=0; ievent<nevents; ievent++) { // event loop | |
99 | CoincMuPlus=0; | |
100 | CoincMuMinus=0; | |
101 | ||
102 | ||
103 | RunLoader->GetEvent(ievent); | |
104 | ||
105 | if (ievent%1000==0) printf("\t Event = %d\n",ievent); | |
106 | ||
107 | // Hits | |
108 | data_hits.SetTreeAddress("H"); | |
109 | ||
110 | Int_t itrack, ntracks, NbHits[2][4]; | |
111 | Int_t SumNbHits; | |
112 | for (Int_t j=0; j<2; j++) { | |
113 | for (Int_t jj=0; jj<4; jj++) { | |
114 | NbHits[j][jj]=0; | |
115 | } | |
116 | } | |
117 | ntracks = (Int_t) data_hits.GetNtracks(); | |
118 | for (itrack=0; itrack<ntracks; itrack++) { // Track loop | |
119 | data_hits.GetTrack(itrack); | |
120 | ||
121 | Int_t ihit, nhits; | |
122 | nhits = (Int_t) data_hits.Hits()->GetEntriesFast(); | |
123 | AliMUONHit* mHit; | |
124 | for(ihit=0; ihit<nhits; ihit++) { | |
125 | mHit = static_cast<AliMUONHit*>(data_hits.Hits()->At(ihit)); | |
126 | Int_t Nch = mHit->Chamber(); | |
127 | Int_t hittrack = mHit->Track(); | |
128 | Float_t IdPart = mHit->Particle(); | |
129 | ||
130 | for (Int_t j=0;j<4;j++) { | |
131 | Int_t kch=11+j; | |
132 | if (hittrack==1 || hittrack==2) { | |
133 | if (Nch==kch && IdPart==-13 && NbHits[0][j]==0) NbHits[0][j]++; | |
134 | if (Nch==kch && IdPart==13 && NbHits[1][j]==0) NbHits[1][j]++; | |
135 | } | |
136 | } | |
137 | } | |
138 | ||
139 | data_hits.ResetHits(); | |
140 | ||
141 | } // end track loop | |
142 | ||
143 | // 3/4 coincidence | |
144 | SumNbHits=NbHits[0][0]+NbHits[0][1]+NbHits[0][2]+NbHits[0][3]; | |
145 | if (SumNbHits==3 || SumNbHits==4) CoincMuPlus=1; | |
146 | ||
147 | SumNbHits=NbHits[1][0]+NbHits[1][1]+NbHits[1][2]+NbHits[1][3]; | |
148 | if (SumNbHits==3 || SumNbHits==4) CoincMuMinus=1; | |
149 | ||
150 | if (CoincMuPlus==1 && CoincMuMinus==1) coincmuon++; | |
151 | ||
152 | // Trigger | |
0d1104bd | 153 | data_digits.SetTreeAddress("D,GLT"); |
0cb382c1 | 154 | data_digits.GetTriggerD(); |
155 | ||
156 | globalTrigger = data_digits.GlobalTrigger(); | |
157 | ||
158 | Int_t nglobals = (Int_t) globalTrigger->GetEntriesFast(); // should be 1 | |
159 | ||
160 | for (Int_t iglobal=0; iglobal<nglobals; iglobal++) { // Global Trigger | |
161 | gloTrg = static_cast<AliMUONGlobalTrigger*>(globalTrigger->At(iglobal)); | |
162 | ||
0cb382c1 | 163 | if (gloTrg->PairUnlikeLpt()>=1) muonlpt++; |
164 | if (gloTrg->PairUnlikeHpt()>=1) muonhpt++; | |
165 | ||
166 | } // end of loop on Global Trigger | |
167 | ||
168 | data_digits.ResetTrigger(); | |
169 | ||
170 | } // end loop on event | |
171 | ||
172 | MUONHits->UnloadHits(); | |
173 | MUONDigits->UnloadDigits(); | |
174 | ||
175 | ||
176 | // calculate efficiency with as a ref. at least 3/4 planes fired | |
ad705f30 | 177 | Float_t efficiencylpt,efficiencyhpt; |
178 | Double_t coincmu,lptmu,hptmu; | |
0cb382c1 | 179 | Float_t error; |
ad705f30 | 180 | coincmu=Double_t(coincmuon); |
0cb382c1 | 181 | lptmu=Double_t(muonlpt); |
182 | hptmu=Double_t(muonhpt); | |
183 | ||
184 | ||
185 | // output | |
186 | fprintf(fdat,"\n"); | |
187 | fprintf(fdat," Number of events = %d \n",nevents); | |
188 | fprintf(fdat," Number of events with 3/4 coinc = %d \n",coincmuon); | |
0cb382c1 | 189 | fprintf(fdat," Nomber of dimuons with 3/4 coinc Lpt cut = %d \n",muonlpt); |
190 | fprintf(fdat," Number of dimuons with 3/4 coinc Hpt cut = %d \n",muonhpt); | |
191 | fprintf(fdat,"\n"); | |
192 | ||
0cb382c1 | 193 | efficiencylpt=lptmu/coincmu; |
194 | error=efficiencylpt*TMath::Sqrt((lptmu+coincmu)/(lptmu*coincmu)); | |
195 | fprintf(fdat," Efficiency Lpt cut = %4.4f +/- %4.4f\n",efficiencylpt,error); | |
196 | ||
197 | efficiencyhpt=hptmu/coincmu; | |
198 | error=efficiencyhpt*TMath::Sqrt((hptmu+coincmu)/(hptmu*coincmu)); | |
199 | fprintf(fdat," Efficiency Hpt cut = %4.4f +/- %4.4f\n",efficiencyhpt,error); | |
200 | ||
201 | ||
202 | fclose(fdat); | |
203 | } | |
204 | ||
205 | ||
206 | ||
207 | ||
208 |