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Commit | Line | Data |
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32bd3eb5 | 1 | Int_t AliTOFanalyzeHits(Int_t nevents = 1, Bool_t drawing = kFALSE) |
42036c57 | 2 | { |
3 | // | |
4 | // Analyzes the hits and fills QA-histograms | |
32bd3eb5 | 5 | // Use case: |
6 | // start aliroot | |
7 | // root [0] .L AliTOFanalyzeHits.C | |
8 | // root [1] AliTOFanalyzeHits() | |
42036c57 | 9 | // |
32bd3eb5 | 10 | // Updated to the new I/O by: A. De Caro, C. Zampolli |
42036c57 | 11 | |
12 | Int_t rc = 0; | |
32bd3eb5 | 13 | |
42036c57 | 14 | // Define the histograms |
15 | // x,y,z, rho, tof, padx, padz, sector, plate, strip, (x vs y) | |
16 | ||
17 | // hit-map in a plane | |
18 | TH2F *h2hitMap = new TH2F("h2hitMap","Hit Map (projection on the plane)",2500,-12500.,12500.,800,-400.,400.); | |
19 | // time of flight distribution for primaries and secondaries | |
20 | TH1F *htofp = new TH1F("htofp","Time of Flight (primaries)",800,0.,80.); | |
21 | TH1F *htofs = new TH1F("htofs","Time of Flight (secondaries)",800,0.,80.); | |
22 | // momentum when striking the TOF for primaries and secondaries | |
23 | TH1F *htofmomp = new TH1F("htofmomp","Momentum at TOF (primaries)",100,0.,10.); | |
24 | TH1F *htofmoms = new TH1F("htofmoms","Momentum at TOF (secondaries)",100,0.,10.); | |
25 | // TOF hit volumes | |
da3d3acd | 26 | TH1F *hsector = new TH1F("hsector","Sector",18,0.,18.); |
27 | TH1F *hplate = new TH1F("hplate","Plate ", 5,0., 5.); | |
28 | TH1F *hstrip = new TH1F("hstrip","Strip ",20,0.,20.); | |
29 | TH1F *hpadz = new TH1F("hpadz","Pad along z ",2,0.,2.); | |
30 | TH1F *hpadx = new TH1F("hpadx","Pad along x",48,0.,48.); | |
42036c57 | 31 | // track length when striking the TOF (used by AliTOFT0) |
32 | TH1F *htrackLenp= new TH1F("htrackLenp","Track Length on TOF for Primaries",800,0.,800.); | |
33 | ||
32bd3eb5 | 34 | // Histograms added to control the right TOF element numbering: |
35 | // it should be increasing with the azimuthal and polar angles | |
36 | ||
da3d3acd | 37 | TH2F *hmoduleVStheta = new TH2F("hmoduleVStheta", "hmoduleVStheta", 180,0.,180.,5,0,5); |
38 | TH2F *hsectorVSphi = new TH2F("hsectorVSphi", "hsectorVSphi", 360,0.,360.,18,0,18); | |
39 | TH2F *hstripVStheta = new TH2F("hstripVStheta", "hstripVStheta", 180,0.,180.,20,0,20); | |
40 | //TH2F *hpadzVStheta = new TH2F("hpadzVStheta", "hpadzVStheta", 180,0.,180.,2,0,2); | |
41 | TH2F *hpadxVSphi = new TH2F("hpadxVSphi", "hpadxVSphi", 360,0.,360.,48,0,48); | |
42 | TH2F *hpadz2stripVStheta = new TH2F("hpadz2stripVStheta", "hpadz2stripVStheta", 180,0.,180.,40,0,40); | |
43 | //TH2F *hdzVSpadz2strip = new TH2F("hdzVSpadz2strip", "hdzVSpadz2strip",40,0,40,70,-3.5,3.5); | |
32bd3eb5 | 44 | |
45 | // Dynamically link some shared libs | |
46 | if (gClassTable->GetID("AliRun") < 0) { | |
47 | gROOT->LoadMacro("loadlibs.C"); | |
48 | loadlibs(); | |
49 | } | |
50 | ||
51 | if (gAlice) | |
52 | { | |
53 | delete gAlice->GetRunLoader(); | |
54 | delete gAlice; | |
55 | gAlice = 0x0; | |
56 | } | |
57 | ||
58 | AliRunLoader *rl = AliRunLoader::Open("galice.root",AliConfig::fgkDefaultEventFolderName,"read"); | |
59 | if (!rl) | |
60 | { | |
61 | cerr<<"Can't load RunLoader from file"<<"!\n"; | |
62 | rc = 1; | |
63 | return rc; | |
64 | } | |
65 | ||
66 | rl->LoadgAlice(); | |
67 | gAlice = rl->GetAliRun(); | |
68 | ||
69 | if (!gAlice) | |
70 | { | |
71 | cerr << "<AliTOFanalyzeHits> AliRun object not found on file\n "; | |
72 | rc = 2; | |
73 | return rc; | |
74 | } | |
75 | ||
76 | // Get the pointer to the TOF detector | |
77 | AliTOF *tof = (AliTOF *) gAlice->GetDetector("TOF"); | |
78 | AliLoader *tofl = rl->GetLoader("TOFLoader"); | |
79 | if (tof == 0x0 || tofl == 0x0) { | |
80 | cerr << "<AliTOFanalyzeHits> Can not find TOF or TOFLoader\n"; | |
81 | rc = 3; | |
42036c57 | 82 | return rc; |
83 | } | |
84 | ||
85 | Int_t countHits = 0; | |
32bd3eb5 | 86 | |
87 | rl->LoadHeader(); | |
88 | ||
89 | for (Int_t ievent=0; ievent<nevents; ievent++) { | |
90 | printf ("Processing event %d \n", ievent); | |
91 | rl->GetEvent(ievent); | |
92 | ||
93 | // Get the pointer Hit tree | |
94 | tofl->LoadHits(); | |
95 | TTree *hitTree = tofl->TreeH(); | |
96 | tof->SetTreeAddress(); | |
97 | if (!hitTree) { | |
98 | cout << "<AliTOFanalyzeHits> No TreeH found" << endl; | |
99 | rc = 4; | |
100 | return rc; | |
101 | } | |
102 | ||
103 | rl->LoadKinematics(); | |
104 | //AliStack* stack = rl->Stack(); // it is not necessary to use the stack! | |
105 | ||
106 | // Get the number of entries in the hit tree | |
107 | // (Number of primary particles creating a hit somewhere) | |
108 | Int_t nTrack = (Int_t) hitTree->GetEntries(); | |
109 | cout << "<AliTOFanalyzeHits> Found " << nTrack | |
110 | << " primary particles with hits" << endl; | |
111 | ||
112 | Int_t nPrimaryOnTof = 0; | |
113 | Int_t nSecondaryOnTof = 0; | |
114 | Int_t nelectron = 0; | |
115 | Int_t npion = 0; | |
116 | Int_t nkaon = 0; | |
117 | Int_t nproton = 0; | |
118 | Int_t nmuon = 0; | |
42036c57 | 119 | |
32bd3eb5 | 120 | // Loop through all entries in the tree |
121 | for (Int_t iTrack = 0; iTrack < nTrack; iTrack++) { | |
122 | ||
123 | tof->ResetHits(); | |
124 | hitTree->GetEvent(iTrack); | |
125 | ||
126 | // Loop through the TOF hits | |
127 | AliTOFhitT0 *hit = (AliTOFhitT0 *) tof->FirstHit(-1); | |
128 | while (hit) { | |
129 | ||
130 | countHits++; | |
131 | ||
132 | Float_t x = hit->X(); | |
133 | Float_t y = hit->Y(); | |
134 | Float_t z = hit->Z(); | |
135 | Float_t phiAngle=TMath::Pi() + TMath::ATan2(-y,-x); | |
136 | Float_t rhoRadius=TMath::Sqrt(x*x+y*y); | |
137 | Float_t thetaAngle=TMath::Pi() + TMath::ATan2(-rhoRadius,-z); | |
138 | Float_t dummy=rhoRadius*phiAngle; | |
139 | h2hitMap->Fill(dummy,z); | |
140 | ||
141 | phiAngle*=180./TMath::Pi(); | |
142 | thetaAngle*=180./TMath::Pi(); | |
143 | ||
144 | Float_t flightTime = hit->GetTof(); // [s] | |
145 | flightTime *= 1.e+09; // convert in [ns] | |
146 | Float_t angle = hit->GetIncA(); | |
147 | Float_t tofmom = hit->GetMom(); // [GeV/c] | |
148 | Float_t trackLen = hit->GetLen(); // [cm] | |
149 | ||
150 | // TOF hit volumes | |
151 | Int_t sector = hit->GetSector(); // range [1-18] | |
152 | Int_t plate = hit->GetPlate(); // range [1- 5] | |
153 | Int_t strip = hit->GetStrip(); // range [1-20] | |
154 | Int_t padz = hit->GetPadz(); // range [1- 2] | |
155 | Int_t padx = hit->GetPadx(); // range [1-48] | |
156 | // it is QA, then I perform QA! | |
32bd3eb5 | 157 | |
da3d3acd | 158 | |
159 | Bool_t isHitBad = (sector<0 || sector>17 || | |
160 | plate<0 || plate>4 || | |
161 | padz<0 || padz>1 || | |
162 | padx<0 || padx>47 || | |
163 | ||
164 | ((strip<0 || strip>14) && plate == 2) || | |
165 | ((strip<0 || strip>18) && (plate == 1 || plate == 3)) || | |
166 | ((strip<0 || strip>19) && (plate == 0 || plate == 4))); | |
167 | ||
168 | if (isHitBad) { | |
169 | cout << "<AliTOFanalyzeHits> strange hit found \n"; | |
170 | cout << "sector = " << sector << | |
171 | " plate = " << plate << | |
172 | " strip = " << strip << | |
173 | " padx = " << padx << | |
174 | " padz = " << padz << endl; | |
32bd3eb5 | 175 | rc = 5; |
176 | return rc; | |
177 | } | |
da3d3acd | 178 | |
32bd3eb5 | 179 | hmoduleVStheta->Fill(thetaAngle,plate); |
180 | hstripVStheta->Fill(thetaAngle,strip); | |
181 | hsectorVSphi->Fill(phiAngle,sector); | |
da3d3acd | 182 | //hpadzVStheta->Fill(thetaAngle,padx); |
32bd3eb5 | 183 | hpadxVSphi->Fill(phiAngle,padx); |
da3d3acd | 184 | |
185 | Float_t dummy2 = 2*strip + padz; | |
186 | hpadz2stripVStheta->Fill(thetaAngle,dummy2); | |
187 | ||
188 | /* | |
189 | Float_t dummy3; | |
190 | if (hit->GetDz()<=0) dummy3 = hit->GetDz()-1.75; | |
191 | else dummy3 = hit->GetDz()+1.75; | |
192 | hdzVSpadz2strip->Fill(dummy2,dummy3); | |
193 | */ | |
32bd3eb5 | 194 | |
195 | // filling hit volume histos | |
196 | hsector->Fill(sector); | |
197 | hplate->Fill(plate); | |
198 | hstrip->Fill(strip); | |
199 | hpadx->Fill(padx); | |
200 | hpadz->Fill(padz); | |
201 | ||
202 | Int_t track = hit->Track(); | |
203 | TParticle *part = gAlice->Particle(track); | |
204 | ||
205 | // getting MC info for the current track | |
206 | if (part->GetFirstMother()<0){ | |
207 | Int_t icod = TMath::Abs(part->GetPdgCode()); | |
208 | switch (icod) { | |
209 | case 211: | |
210 | npion++; | |
211 | break ; | |
212 | case 321: | |
213 | nkaon++; | |
214 | break ; | |
215 | case 2212: | |
216 | nproton++; | |
217 | break ; | |
218 | case 11: | |
219 | nelectron++; | |
220 | break ; | |
221 | case 13: | |
222 | nmuon++; | |
223 | break ; | |
224 | } | |
225 | htofp->Fill(flightTime); | |
226 | htofmomp->Fill(tofmom); | |
227 | htrackLenp->Fill(trackLen); | |
228 | } else { | |
229 | htofs->Fill(flightTime); | |
230 | htofmoms->Fill(tofmom); | |
231 | } | |
232 | ||
233 | // go to next hit | |
234 | hit = (AliTOFhitT0 *) tof->NextHit(); | |
42036c57 | 235 | |
32bd3eb5 | 236 | } |
42036c57 | 237 | |
238 | } | |
239 | ||
32bd3eb5 | 240 | tofl->UnloadHits(); |
241 | rl->UnloadKinematics(); | |
42036c57 | 242 | |
32bd3eb5 | 243 | cout << "<AliTOFanalyzeHits> Found " << countHits << " hits in total" << endl; |
244 | cout << npion << " primary pions reached the TOF detector" << endl; | |
245 | cout << nkaon << " primary kaons reached the TOF detector" << endl; | |
246 | cout << nproton << " primary protons reached the TOF detector" << endl; | |
247 | cout << nelectron << " primary electrons reached the TOF detector" << endl; | |
248 | cout << nmuon << " primary muons reached the TOF detector" << endl; | |
42036c57 | 249 | |
32bd3eb5 | 250 | } |
42036c57 | 251 | |
da3d3acd | 252 | cout << "hpadx->GetEntries() = " << hpadx->GetEntries() << endl; |
253 | ||
32bd3eb5 | 254 | rl->UnloadHeader(); |
255 | rl->UnloadgAlice(); | |
256 | ||
257 | if (drawing) { | |
258 | TCanvas *cHits = new TCanvas("cHits","AliTOFanalyzeHits hit volumes",50,50,900,900); | |
259 | cHits->Divide(3,2); | |
260 | cHits->cd(1); | |
261 | hsector->Draw(); | |
262 | cHits->cd(2); | |
263 | hplate->Draw(); | |
264 | cHits->cd(3); | |
265 | hstrip->Draw(); | |
266 | cHits->cd(4); | |
267 | hpadz->Draw(); | |
268 | cHits->cd(5); | |
269 | hpadx->Draw(); | |
270 | ||
271 | TCanvas *chitmap = new TCanvas("chitmap","AliTOFanalyzeHits Hit Map",50,50,600,600); | |
272 | chitmap->cd(); | |
273 | h2hitMap->Draw(); | |
274 | ||
275 | TCanvas *ctrackLen = new TCanvas("ctrackLen","AliTOFanalyzeHits Track Length for primaries on TOF",50,50,400,400); | |
276 | ctrackLen->cd(); | |
277 | htrackLenp->Draw(); | |
278 | ||
279 | TCanvas *ctofmom = new TCanvas("ctofmom","AliTOFanalyzeHits flight times",50,50,700,700); | |
280 | ctofmom->Divide(2,2); | |
281 | ctofmom->cd(1); | |
282 | gPad->SetLogy(); | |
283 | htofp->Draw(); | |
284 | ctofmom->cd(2); | |
285 | gPad->SetLogy(); | |
286 | htofs->Draw(); | |
287 | ctofmom->cd(3); | |
288 | gPad->SetLogy(); | |
289 | htofmomp->Draw(); | |
290 | ctofmom->cd(4); | |
291 | gPad->SetLogy(); | |
292 | htofmoms->Draw(); | |
293 | } | |
294 | ||
42036c57 | 295 | // save histos into file TOF_hitsQA.root |
296 | TFile *fout = new TFile("TOF_hitsQA.root","RECREATE"); | |
297 | h2hitMap->Write(); | |
298 | htofp->Write(); | |
299 | htofs->Write(); | |
300 | htofmomp->Write(); | |
301 | htofmoms->Write(); | |
302 | hsector->Write(); | |
303 | hplate->Write(); | |
304 | hstrip->Write(); | |
305 | hpadz->Write(); | |
306 | hpadx->Write(); | |
307 | htrackLenp->Write(); | |
32bd3eb5 | 308 | |
309 | hmoduleVStheta->Write(); | |
310 | hsectorVSphi->Write(); | |
311 | hstripVStheta->Write(); | |
da3d3acd | 312 | //hpadzVStheta->Write(); |
32bd3eb5 | 313 | hpadxVSphi->Write(); |
da3d3acd | 314 | hpadz2stripVStheta->Write(); |
315 | //hdzVSpadz2strip->Write(); | |
32bd3eb5 | 316 | |
42036c57 | 317 | fout->Close(); |
318 | ||
32bd3eb5 | 319 | cout << " Finished AliTOFanalizeHits \n"; |
320 | ||
321 | if (gAlice) | |
322 | { | |
323 | delete gAlice->GetRunLoader(); | |
324 | delete gAlice; | |
325 | gAlice = 0x0; | |
326 | } | |
327 | ||
42036c57 | 328 | return rc; |
329 | ||
330 | } |