]>
Commit | Line | Data |
---|---|---|
5707a463 | 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 | /* $Id$ */ | |
17 | ||
18 | ||
19 | /* Macro to produce trigger single muon efficiency versus pt plots for the | |
20 | 3 pt cuts. Results are compared to the reference (red curves). | |
21 | To be used with (at least) 10000 events as follows | |
22 | AliGenBox * gener = new AliGenBox(1); | |
23 | gener->SetPtRange(0.,10.); | |
24 | gener->SetPhiRange(0., 360.); | |
25 | gener->SetThetaRange(171.000,178.001); | |
26 | gener->SetPart(13); // or -13 | |
27 | gener->SetOrigin(0.,0., 0.); | |
28 | gener->SetSigma(0.0, 0.0, 0.0); | |
29 | ||
30 | Author: Fabien Guerin, LPC Clermont-Ferrand, Jan. 2006 | |
31 | */ | |
32 | ||
33 | ||
34 | // ROOT includes | |
35 | #include "TBranch.h" | |
36 | #include "TClonesArray.h" | |
37 | #include "TFile.h" | |
38 | #include "TF1.h" | |
39 | #include "TH1.h" | |
40 | #include "TH2.h" | |
41 | #include "TParticle.h" | |
42 | #include "TTree.h" | |
43 | #include "TMath.h" | |
44 | #include "TStyle.h" | |
45 | #include "TCanvas.h" | |
46 | #include "TLegend.h" | |
47 | ||
48 | ||
49 | // STEER includes | |
50 | #include "AliRun.h" | |
51 | #include "AliDetector.h" | |
52 | #include "AliRunLoader.h" | |
53 | #include "AliHeader.h" | |
54 | #include "AliLoader.h" | |
55 | #include "AliStack.h" | |
56 | #include "AliSegmentation.h" | |
57 | #include "AliMC.h" | |
58 | ||
59 | // MUON includes | |
60 | #include "AliMUON.h" | |
61 | #include "AliMUONData.h" | |
62 | #include "AliMUONHit.h" | |
63 | #include "AliMUONChamber.h" | |
64 | #include "AliMUONConstants.h" | |
65 | #include "AliMUONDigit.h" | |
66 | #include "AliMUONRawCluster.h" | |
67 | #include "AliMUONGlobalTrigger.h" | |
68 | #include "AliMUONLocalTrigger.h" | |
69 | #include "AliMUONTrack.h" | |
70 | ||
71 | Double_t fitArc(Double_t *x,Double_t *par) | |
72 | { | |
73 | Double_t h1=par[1]*(x[0]+par[2]); | |
74 | return par[0]*TMath::ATan(TMath::Power(h1,6))+par[3]; | |
75 | } | |
76 | ||
77 | Double_t fitArch(Double_t *x,Double_t *par) | |
78 | { | |
79 | Double_t h0=2*par[0]/(TMath::Pi()); | |
80 | Double_t h1=par[1]*x[0]+par[2]*x[0]*x[0]; | |
81 | return h0*TMath::TanH(h1)+par[3]; | |
82 | } | |
83 | ||
84 | void MUONTriggerEfficiencyPt(char filename[10]="galice.root") | |
85 | { | |
86 | ||
87 | // define style | |
88 | TStyle *st1 = new TStyle("st1","My STYLE"); | |
89 | ||
90 | st1->SetOptStat(0); | |
91 | st1->SetOptFit(111); | |
92 | st1->SetFrameFillColor(10); | |
93 | st1->SetCanvasColor(10); | |
94 | st1->SetFillColor(10); | |
95 | st1->SetTitleBorderSize(0); | |
96 | st1->SetTitleOffset(1.2,"XY"); | |
97 | st1->SetTitleSize(0.05,"XY"); | |
98 | st1->SetLabelSize(0.045,"XY"); | |
99 | st1->SetLabelFont(22,"XY"); | |
100 | st1->SetTitleFont(22,"XY"); | |
101 | st1->SetOptTitle(0); | |
102 | st1->SetStatColor(10); | |
103 | st1->SetStatFont(62); | |
104 | st1->SetFitFormat("4.4g"); | |
105 | st1->SetPadLeftMargin(0.15); | |
106 | st1->SetPadRightMargin(0.06); | |
107 | st1->SetPadTopMargin(0.06); | |
108 | st1->SetPadBottomMargin(0.15); | |
109 | st1->cd(); | |
110 | ||
111 | gROOT->ForceStyle(); | |
112 | //TGaxis::SetMaxDigits(3); | |
113 | ||
114 | // beginning of macro | |
5707a463 | 115 | TH1F *ptlpt = new TH1F("ptlpt","",50,0.15,5.); |
116 | TH1F *pthpt = new TH1F("pthpt","",50,0.15,5.); | |
117 | TH1F *ptcoinc = new TH1F("ptcoinc","",50,0.15,5.); | |
118 | ||
119 | TParticle *particle; | |
120 | AliStack* stack; | |
121 | ||
122 | Double_t coincmuon=0; | |
5707a463 | 123 | Double_t lptmuon=0; |
124 | Double_t hptmuon=0; | |
522b4724 | 125 | Double_t ptmu=0; |
5707a463 | 126 | |
127 | // output file | |
128 | char digitdat[100]; | |
129 | sprintf(digitdat,"MUONTriggerEfficiencyPt.out"); | |
130 | FILE *fdat=fopen(digitdat,"w"); | |
131 | ||
132 | // Creating Run Loader and openning file containing Hits | |
133 | AliRunLoader * RunLoader = AliRunLoader::Open(filename,"MUONFolder","READ"); | |
134 | ||
135 | if (RunLoader ==0x0) { | |
136 | printf(">>> Error : Error Opening %s file \n",filename); | |
137 | return; | |
138 | } | |
139 | ||
140 | Int_t nevents = RunLoader->GetNumberOfEvents(); | |
141 | ||
142 | // loading hits | |
143 | AliLoader * MUONLoader = RunLoader->GetLoader("MUONLoader"); | |
144 | MUONLoader->LoadHits("READ"); | |
145 | AliMUONData data_hits(MUONLoader,"MUON","MUON"); | |
146 | ||
147 | TClonesArray * globalTrigger; | |
148 | AliMUONGlobalTrigger * gloTrg; | |
149 | ||
150 | // loading trigger | |
151 | MUONLoader->LoadDigits("READ"); | |
152 | AliMUONData muondata(MUONLoader,"MUON","MUON"); | |
153 | ||
154 | // Loading kine | |
155 | RunLoader->LoadKinematics("READ"); | |
156 | ||
157 | for (Int_t ievent=0; ievent<nevents; ievent++) { // Event loop | |
158 | ||
159 | RunLoader->GetEvent(ievent); | |
160 | ||
161 | if (ievent%500==0) printf("ievent = %d \n",ievent); | |
162 | ||
163 | ||
164 | // kine | |
165 | Int_t iparticle, nparticles; | |
166 | stack = RunLoader->Stack(); | |
167 | nparticles = (Int_t) stack->GetNtrack(); | |
168 | for (iparticle=0; iparticle<nparticles; iparticle++) { | |
169 | particle = stack->Particle(iparticle); | |
170 | Float_t pt = particle->Pt(); | |
171 | Int_t pdgcode = particle->GetPdgCode(); | |
172 | if (pdgcode==-13 || pdgcode==13) ptmu = pt; | |
173 | } | |
174 | ||
175 | // trigger | |
176 | muondata.SetTreeAddress("D,GLT"); | |
177 | muondata.GetTriggerD(); | |
178 | ||
179 | globalTrigger = muondata.GlobalTrigger(); | |
180 | ||
181 | Int_t nglobals = (Int_t) globalTrigger->GetEntriesFast(); // should be 1 | |
182 | for (Int_t iglobal=0; iglobal<nglobals; iglobal++) { // Global Trigger | |
183 | gloTrg = static_cast<AliMUONGlobalTrigger*>(globalTrigger->At(iglobal)); | |
184 | ||
522b4724 | 185 | if (gloTrg->SingleLpt()>=1 ) { |
5707a463 | 186 | lptmuon++; |
187 | ptlpt->Fill(ptmu); | |
188 | } | |
522b4724 | 189 | if (gloTrg->SingleHpt()>=1 ) { |
5707a463 | 190 | hptmuon++; |
191 | pthpt->Fill(ptmu); | |
192 | } | |
193 | } // end of loop on Global Trigger | |
194 | muondata.ResetTrigger(); | |
195 | ||
196 | // Hits | |
197 | RunLoader->GetEvent(ievent); | |
198 | data_hits.SetTreeAddress("H"); | |
199 | ||
200 | Int_t itrack, ntracks, NbHits[4]; | |
201 | Int_t SumNbHits; | |
522b4724 | 202 | |
5707a463 | 203 | for (Int_t j=0; j<4; j++) NbHits[j]=0; |
204 | ||
205 | ntracks = (Int_t) data_hits.GetNtracks(); | |
206 | ||
207 | for (itrack=0; itrack<ntracks; itrack++) { // track loop | |
208 | data_hits.GetTrack(itrack); | |
209 | ||
210 | Int_t ihit, nhits; | |
211 | nhits = (Int_t) data_hits.Hits()->GetEntriesFast(); | |
212 | AliMUONHit* mHit; | |
522b4724 | 213 | |
5707a463 | 214 | |
215 | for (ihit=0; ihit<nhits; ihit++) { | |
216 | mHit = static_cast<AliMUONHit*>(data_hits.Hits()->At(ihit)); | |
217 | Int_t Nch = mHit->Chamber(); | |
218 | Int_t hittrack = mHit->Track(); | |
522b4724 | 219 | Int_t IdPart = mHit->Particle(); |
220 | ||
5707a463 | 221 | for (Int_t j=0;j<4;j++) { |
222 | Int_t kch=11+j; | |
522b4724 | 223 | if (hittrack==0) { |
5707a463 | 224 | if (Nch==kch && (IdPart==-13 || IdPart==13) && NbHits[j]==0) NbHits[j]++; |
522b4724 | 225 | } |
5707a463 | 226 | } |
227 | } | |
228 | data_hits.ResetHits(); | |
522b4724 | 229 | } // end track loop |
5707a463 | 230 | |
231 | // 3/4 coincidence | |
232 | SumNbHits=NbHits[0]+NbHits[1]+NbHits[2]+NbHits[3]; | |
522b4724 | 233 | |
5707a463 | 234 | if (SumNbHits==3 || SumNbHits==4) { |
235 | coincmuon++; | |
236 | ptcoinc->Fill(ptmu); | |
237 | } | |
238 | ||
522b4724 | 239 | } // end loop on event |
5707a463 | 240 | |
241 | MUONLoader->UnloadHits(); | |
242 | MUONLoader->UnloadDigits(); | |
243 | MUONLoader->UnloadRecPoints(); | |
244 | RunLoader->UnloadKinematics(); | |
245 | ||
246 | delete RunLoader; | |
247 | ||
248 | fprintf(fdat,"\n"); | |
249 | fprintf(fdat,"\n"); | |
250 | fprintf(fdat," Number of events = %d \n",nevents); | |
251 | fprintf(fdat," Number of events with 3/4 coinc = %d \n",(Int_t)coincmuon); | |
5707a463 | 252 | fprintf(fdat," Nomber of dimuons with 3/4 coinc Lpt cut = %d \n",(Int_t)lptmuon); |
253 | fprintf(fdat," Number of dimuons with 3/4 coinc Hpt cut = %d \n",(Int_t)hptmuon); | |
254 | fprintf(fdat,"\n"); | |
255 | ||
522b4724 | 256 | Double_t efficiency,error; |
257 | ||
5707a463 | 258 | efficiency=lptmuon/coincmuon; |
259 | error=efficiency*TMath::Sqrt((lptmuon+coincmuon)/(lptmuon*coincmuon)); | |
260 | fprintf(fdat," Efficiency Lpt cut = %4.4f +/- %4.4f\n",efficiency,error); | |
261 | ||
262 | efficiency=hptmuon/coincmuon; | |
263 | error=efficiency*TMath::Sqrt((hptmuon+coincmuon)/(hptmuon*coincmuon)); | |
264 | fprintf(fdat," Efficiency Hpt cut = %4.4f +/- %4.4f\n",efficiency,error); | |
265 | ||
266 | fclose(fdat); | |
267 | ||
268 | Double_t x1,x2,xval,xerr; | |
269 | ||
270 | for (Int_t i=0;i<50;i++) { | |
271 | x1=ptcoinc->GetBinContent(i+1); | |
272 | ||
5707a463 | 273 | x2=ptlpt->GetBinContent(i+1); |
274 | if (x1!=0 && x2!=0) { | |
275 | xval=x2/x1; | |
276 | xerr=xval*TMath::Sqrt((x1+x2)/x1*x2); | |
277 | ptlpt->SetBinContent(i+1,xval); | |
278 | ptlpt->SetBinError(i+1,0); | |
279 | } else { | |
280 | ptlpt->SetBinContent(i+1,0.); | |
281 | ptlpt->SetBinError(i+1,0.); | |
282 | } | |
283 | ||
284 | x2=pthpt->GetBinContent(i+1); | |
285 | if (x1!=0 && x2!=0) { | |
286 | xval=x2/x1; | |
287 | xerr=xval*TMath::Sqrt((x1+x2)/x1*x2); | |
288 | pthpt->SetBinContent(i+1,xval); | |
289 | pthpt->SetBinError(i+1,0); | |
290 | } else { | |
291 | pthpt->SetBinContent(i+1,0.); | |
292 | pthpt->SetBinError(i+1,0.); | |
293 | } | |
294 | } | |
295 | ||
296 | ||
5707a463 | 297 | TF1 *fitlpt = new TF1("fitlpt",fitArc,0.,5.,4); |
298 | TF1 *fithpt = new TF1("fithpt",fitArc,0.,5.,4); | |
299 | ||
300 | TCanvas *c1 = new TCanvas("c1","Trigger efficiency vs pt and y for single muon",200,0,900,400); | |
522b4724 | 301 | c1->Divide(2,1); |
5707a463 | 302 | |
303 | c1->cd(1); | |
5707a463 | 304 | ptlpt->SetMinimum(0.); |
305 | ptlpt->SetMaximum(1.05); | |
306 | ptlpt->SetTitle(""); | |
307 | ptlpt->GetXaxis()->SetTitle("P_{T} (GeV/c)"); | |
308 | ptlpt->GetYaxis()->SetTitle("Efficiency"); | |
309 | //ptlpt->GetXaxis()->SetRange(3); | |
310 | ptlpt->Draw(""); | |
311 | fitlpt->SetParameters(0.602,0.774,0.273,0.048); | |
312 | fitlpt->SetLineColor(2); | |
313 | fitlpt->SetLineWidth(2); | |
314 | fitlpt->Draw("SAME"); | |
522b4724 | 315 | TLegend * leg = new TLegend(0.5,0.38,0.85,0.53); |
5707a463 | 316 | leg = new TLegend(0.5,0.38,0.85,0.53); |
317 | leg->SetBorderSize(0); | |
318 | leg->SetFillColor(0); | |
319 | leg->SetTextSize(0.05); | |
320 | leg->SetTextFont(22); | |
321 | leg->SetHeader("Lpt trigger pt cut"); | |
322 | leg->AddEntry(fitlpt,"Ref.","l"); | |
323 | leg->AddEntry(ptlpt,"New","l"); | |
324 | leg->Draw("SAME"); | |
325 | ||
522b4724 | 326 | c1->cd(2); |
5707a463 | 327 | pthpt->SetMinimum(0.); |
328 | pthpt->SetMaximum(1.05); | |
329 | pthpt->SetTitle(""); | |
330 | pthpt->GetXaxis()->SetTitle("P_{T} (GeV/c)"); | |
331 | pthpt->GetYaxis()->SetTitle("Efficiency"); | |
332 | //pthpt->GetXaxis()->SetRange(3); | |
333 | pthpt->Draw(""); | |
334 | fithpt->SetParameters(0.627,0.393,0.855,0.0081); | |
335 | fithpt->SetLineColor(2); | |
336 | fithpt->SetLineWidth(2); | |
337 | fithpt->Draw("SAME"); | |
338 | leg = new TLegend(0.5,0.38,0.85,0.53); | |
339 | leg->SetBorderSize(0); | |
340 | leg->SetFillColor(0); | |
341 | leg->SetTextSize(0.05); | |
342 | leg->SetTextFont(22); | |
343 | leg->SetHeader("Hpt trigger pt cut"); | |
344 | leg->AddEntry(fithpt,"Ref.","l"); | |
345 | leg->AddEntry(pthpt,"New","l"); | |
346 | leg->Draw("SAME"); | |
347 | ||
348 | c1->SaveAs("MUONTriggerEfficiencyPt.gif"); | |
349 | c1->SaveAs("MUONTriggerEfficiencyPt.eps"); | |
350 | ||
351 | } |