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6ad0bfa0 | 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 | ||
b2a60966 | 16 | /* $Id$ */ |
17 | ||
6ad0bfa0 | 18 | //_________________________________________________________________________ |
5f20d3fb | 19 | // Algorythm class to analyze PHOSv1 events: |
b2a60966 | 20 | // Construct histograms and displays them. |
21 | // Use the macro EditorBar.C for best access to the functionnalities | |
a3dfe79c | 22 | //*-- |
2aad621e | 23 | //*-- Author: Y. Schutz (SUBATECH) & Gines Martinez (SUBATECH) |
6ad0bfa0 | 24 | ////////////////////////////////////////////////////////////////////////////// |
25 | ||
26 | // --- ROOT system --- | |
27 | ||
92862013 | 28 | #include "TFile.h" |
29 | #include "TH1.h" | |
30 | #include "TPad.h" | |
6ad0bfa0 | 31 | #include "TH2.h" |
32 | #include "TParticle.h" | |
33 | #include "TClonesArray.h" | |
34 | #include "TTree.h" | |
35 | #include "TMath.h" | |
36 | #include "TCanvas.h" | |
2bed9e3e | 37 | #include "TStyle.h" |
6ad0bfa0 | 38 | |
39 | // --- Standard library --- | |
40 | ||
de9ec31b | 41 | #include <iostream.h> |
42 | #include <stdio.h> | |
92862013 | 43 | |
6ad0bfa0 | 44 | // --- AliRoot header files --- |
45 | ||
46 | #include "AliRun.h" | |
47 | #include "AliPHOSAnalyze.h" | |
48 | #include "AliPHOSClusterizerv1.h" | |
49 | #include "AliPHOSTrackSegmentMakerv1.h" | |
26d4b141 | 50 | #include "AliPHOSPIDv1.h" |
6ad0bfa0 | 51 | #include "AliPHOSReconstructioner.h" |
52 | #include "AliPHOSDigit.h" | |
53 | #include "AliPHOSTrackSegment.h" | |
54 | #include "AliPHOSRecParticle.h" | |
83974468 | 55 | #include "AliPHOSIndexToObject.h" |
ed4205d8 | 56 | #include "AliPHOSHit.h" |
2bed9e3e | 57 | #include "AliPHOSCPVHit.h" |
867ede0e | 58 | #include "AliPHOSCpvRecPoint.h" |
6ad0bfa0 | 59 | |
60 | ClassImp(AliPHOSAnalyze) | |
61 | ||
6ad0bfa0 | 62 | //____________________________________________________________________________ |
63 | AliPHOSAnalyze::AliPHOSAnalyze() | |
64 | { | |
b2a60966 | 65 | // default ctor (useless) |
6ad0bfa0 | 66 | |
67 | fRootFile = 0 ; | |
68 | } | |
69 | ||
70 | //____________________________________________________________________________ | |
71 | AliPHOSAnalyze::AliPHOSAnalyze(Text_t * name) | |
72 | { | |
83974468 | 73 | // ctor: analyze events from root file "name" |
6ad0bfa0 | 74 | |
92862013 | 75 | Bool_t ok = OpenRootFile(name) ; |
76 | if ( !ok ) { | |
6ad0bfa0 | 77 | cout << " AliPHOSAnalyze > Error opening " << name << endl ; |
78 | } | |
79 | else { | |
eecb6765 | 80 | //========== Get AliRun object from file |
81 | gAlice = (AliRun*) fRootFile->Get("gAlice") ; | |
fc879520 | 82 | |
eecb6765 | 83 | //=========== Get the PHOS object and associated geometry from the file |
788dcca4 | 84 | fPHOS = (AliPHOSv1 *)gAlice->GetDetector("PHOS") ; |
eecb6765 | 85 | fGeom = AliPHOSGeometry::GetInstance( fPHOS->GetGeometry()->GetName(), fPHOS->GetGeometry()->GetTitle() ); |
fc879520 | 86 | |
eecb6765 | 87 | //========== Initializes the Index to Object converter |
88 | fObjGetter = AliPHOSIndexToObject::GetInstance(fPHOS) ; | |
89 | //========== Current event number | |
90 | fEvt = -999 ; | |
fc879520 | 91 | |
6ad0bfa0 | 92 | } |
2bed9e3e | 93 | fDebugLevel = 0; |
69183710 | 94 | fClu = 0 ; |
95 | fPID = 0 ; | |
96 | fTrs = 0 ; | |
97 | fRec = 0 ; | |
46b146ca | 98 | ResetHistograms() ; |
6ad0bfa0 | 99 | } |
100 | ||
88714635 | 101 | //____________________________________________________________________________ |
102 | AliPHOSAnalyze::AliPHOSAnalyze(const AliPHOSAnalyze & ana) | |
103 | { | |
104 | // copy ctor | |
105 | ( (AliPHOSAnalyze &)ana ).Copy(*this) ; | |
106 | } | |
107 | ||
108 | //____________________________________________________________________________ | |
191c1c41 | 109 | void AliPHOSAnalyze::Copy(TObject & obj) |
88714635 | 110 | { |
111 | // copy an analysis into an other one | |
112 | TObject::Copy(obj) ; | |
113 | // I do nothing more because the copy is silly but the Code checkers requires one | |
114 | } | |
115 | ||
6ad0bfa0 | 116 | //____________________________________________________________________________ |
117 | AliPHOSAnalyze::~AliPHOSAnalyze() | |
118 | { | |
119 | // dtor | |
120 | ||
a3dfe79c | 121 | if(fRootFile->IsOpen()) fRootFile->Close() ; |
122 | if(fRootFile) {delete fRootFile ; fRootFile=0 ;} | |
123 | if(fPHOS) {delete fPHOS ; fPHOS =0 ;} | |
124 | if(fClu) {delete fClu ; fClu =0 ;} | |
125 | if(fPID) {delete fPID ; fPID =0 ;} | |
126 | if(fRec) {delete fRec ; fRec =0 ;} | |
127 | if(fTrs) {delete fTrs ; fTrs =0 ;} | |
6ad0bfa0 | 128 | |
129 | } | |
6ad0bfa0 | 130 | //____________________________________________________________________________ |
ed4205d8 | 131 | void AliPHOSAnalyze::DrawRecon(Int_t Nevent,Int_t Nmod){ |
132 | //Draws pimary particles and reconstructed | |
133 | //digits, RecPoints, RecPartices etc | |
134 | //for event Nevent in the module Nmod. | |
135 | ||
136 | TH2F * digitOccupancy = new TH2F("digitOccupancy","EMC digits", 64,-71.,71.,64,-71.,71.); | |
137 | TH2F * emcOccupancy = new TH2F("emcOccupancy","EMC RecPoints",64,-71.,71.,64,-71.,71.); | |
138 | TH2F * ppsdUp = new TH2F("ppsdUp","PPSD Up digits", 128,-71.,71.,128,-71.,71.) ; | |
139 | TH2F * ppsdUpCl = new TH2F("ppsdUpCl","PPSD Up RecPoints",128,-71.,71.,128,-71.,71.) ; | |
140 | TH2F * ppsdLow = new TH2F("ppsdLow","PPSD Low digits", 128,-71.,71.,128,-71.,71.) ; | |
141 | TH2F * ppsdLowCl = new TH2F("ppsdLowCl","PPSD Low RecPoints",128,-71.,71.,128,-71.,71.) ; | |
142 | TH2F * nbar = new TH2F("nbar","Primary nbar", 64,-71.,71.,64,-71.,71.); | |
143 | TH2F * phot = new TH2F("phot","Primary Photon", 64,-71.,71.,64,-71.,71.); | |
144 | TH2F * charg = new TH2F("charg","Primary charged",64,-71.,71.,64,-71.,71.); | |
145 | TH2F * recPhot = new TH2F("recPhot","RecParticles with primary Photon",64,-71.,71.,64,-71.,71.); | |
146 | TH2F * recNbar = new TH2F("recNbar","RecParticles with primary Nbar", 64,-71.,71.,64,-71.,71.); | |
147 | ||
46b146ca | 148 | //========== Create the Clusterizer |
149 | fClu = new AliPHOSClusterizerv1() ; | |
83974468 | 150 | |
ed4205d8 | 151 | gAlice->GetEvent(Nevent); |
152 | ||
ed4205d8 | 153 | TParticle * primary ; |
154 | Int_t iPrimary ; | |
2ab0c725 | 155 | for ( iPrimary = 0 ; iPrimary < gAlice->GetNtrack() ; iPrimary++) |
ed4205d8 | 156 | { |
2ab0c725 | 157 | primary = gAlice->Particle(iPrimary) ; |
ed4205d8 | 158 | Int_t primaryType = primary->GetPdgCode() ; |
159 | if( (primaryType == 211)||(primaryType == -211)||(primaryType == 2212)||(primaryType == -2212) ) { | |
160 | Int_t moduleNumber ; | |
161 | Double_t primX, primZ ; | |
162 | fGeom->ImpactOnEmc(primary->Theta(), primary->Phi(), moduleNumber, primX, primZ) ; | |
163 | if(moduleNumber==Nmod) | |
164 | charg->Fill(primZ,primX,primary->Energy()) ; | |
165 | } | |
166 | if( primaryType == 22 ) { | |
167 | Int_t moduleNumber ; | |
168 | Double_t primX, primZ ; | |
169 | fGeom->ImpactOnEmc(primary->Theta(), primary->Phi(), moduleNumber, primX, primZ) ; | |
170 | if(moduleNumber==Nmod) | |
171 | phot->Fill(primZ,primX,primary->Energy()) ; | |
172 | } | |
173 | else{ | |
174 | if( primaryType == -2112 ) { | |
175 | Int_t moduleNumber ; | |
176 | Double_t primX, primZ ; | |
177 | fGeom->ImpactOnEmc(primary->Theta(), primary->Phi(), moduleNumber, primX, primZ) ; | |
178 | if(moduleNumber==Nmod) | |
179 | nbar->Fill(primZ,primX,primary->Energy()) ; | |
180 | } | |
181 | } | |
182 | } | |
69183710 | 183 | |
ed4205d8 | 184 | fPHOS->SetTreeAddress() ; |
92862013 | 185 | |
ed4205d8 | 186 | gAlice->TreeD()->GetEvent(0) ; |
187 | gAlice->TreeR()->GetEvent(0) ; | |
188 | ||
189 | TObjArray ** emcRecPoints = fPHOS->EmcRecPoints() ; | |
190 | TObjArray ** ppsdRecPoints = fPHOS->PpsdRecPoints() ; | |
191 | TClonesArray ** recParticleList = fPHOS->RecParticles() ; | |
192 | ||
193 | Int_t iDigit ; | |
194 | AliPHOSDigit * digit ; | |
195 | ||
196 | for(iDigit = 0; iDigit < fPHOS->Digits()->GetEntries(); iDigit++) | |
92862013 | 197 | { |
ed4205d8 | 198 | digit = (AliPHOSDigit *) fPHOS->Digits()->At(iDigit) ; |
199 | Int_t relid[4]; | |
200 | fGeom->AbsToRelNumbering(digit->GetId(), relid) ; | |
201 | Float_t x,z ; | |
202 | fGeom->RelPosInModule(relid,x,z) ; | |
203 | Float_t e = fClu->Calibrate(digit->GetAmp()) ; | |
204 | if(relid[0]==Nmod){ | |
205 | if(relid[1]==0) //EMC | |
206 | digitOccupancy->Fill(x,z,e) ; | |
207 | if((relid[1]>0)&&(relid[1]<17)) | |
208 | ppsdUp->Fill(x,z,e) ; | |
209 | if(relid[1]>16) | |
210 | ppsdLow->Fill(x,z,e) ; | |
211 | } | |
212 | } | |
213 | ||
214 | Int_t irecp ; | |
215 | TVector3 pos ; | |
216 | ||
217 | for(irecp = 0; irecp < (*emcRecPoints)->GetEntries() ; irecp ++){ | |
218 | AliPHOSEmcRecPoint * emc= (AliPHOSEmcRecPoint*)(*emcRecPoints)->At(irecp) ; | |
219 | if(emc->GetPHOSMod()==Nmod){ | |
220 | emc->GetLocalPosition(pos) ; | |
221 | emcOccupancy->Fill(pos.X(),pos.Z(),emc->GetEnergy()); | |
222 | } | |
223 | } | |
224 | ||
225 | for(irecp = 0; irecp < (*ppsdRecPoints)->GetEntries() ; irecp ++){ | |
226 | AliPHOSPpsdRecPoint * ppsd= (AliPHOSPpsdRecPoint *)(*ppsdRecPoints)->At(irecp) ; | |
227 | if(ppsd->GetPHOSMod()==Nmod){ | |
228 | ppsd->GetLocalPosition(pos) ; | |
229 | if(ppsd->GetUp()) | |
230 | ppsdUpCl->Fill(pos.X(),pos.Z(),ppsd->GetEnergy()); | |
231 | else | |
232 | ppsdLowCl->Fill(pos.X(),pos.Z(),ppsd->GetEnergy()); | |
233 | } | |
234 | } | |
235 | ||
236 | AliPHOSRecParticle * recParticle ; | |
237 | Int_t iRecParticle ; | |
238 | for(iRecParticle = 0; iRecParticle < (*recParticleList)->GetEntries() ;iRecParticle++ ) | |
239 | { | |
240 | recParticle = (AliPHOSRecParticle *) (*recParticleList)->At(iRecParticle) ; | |
241 | ||
242 | Int_t moduleNumberRec ; | |
243 | Double_t recX, recZ ; | |
244 | fGeom->ImpactOnEmc(recParticle->Theta(), recParticle->Phi(), moduleNumberRec, recX, recZ) ; | |
245 | if(moduleNumberRec == Nmod){ | |
246 | ||
247 | Double_t minDistance = 5. ; | |
248 | Int_t closestPrimary = -1 ; | |
249 | ||
250 | Int_t numberofprimaries ; | |
251 | Int_t * listofprimaries = recParticle->GetPrimaries(numberofprimaries) ; | |
252 | Int_t index ; | |
253 | TParticle * primary ; | |
254 | Double_t distance = minDistance ; | |
11e586af | 255 | |
ed4205d8 | 256 | for ( index = 0 ; index < numberofprimaries ; index++){ |
2ab0c725 | 257 | primary = gAlice->Particle(listofprimaries[index]) ; |
ed4205d8 | 258 | Int_t moduleNumber ; |
259 | Double_t primX, primZ ; | |
260 | fGeom->ImpactOnEmc(primary->Theta(), primary->Phi(), moduleNumber, primX, primZ) ; | |
261 | if(moduleNumberRec == moduleNumber) | |
262 | distance = TMath::Sqrt((recX-primX)*(recX-primX)+(recZ-primZ)*(recZ-primZ) ) ; | |
263 | if(minDistance > distance) | |
46b146ca | 264 | { |
ed4205d8 | 265 | minDistance = distance ; |
266 | closestPrimary = listofprimaries[index] ; | |
46b146ca | 267 | } |
ed4205d8 | 268 | } |
269 | ||
270 | if(closestPrimary >=0 ){ | |
271 | ||
2ab0c725 | 272 | Int_t primaryType = gAlice->Particle(closestPrimary)->GetPdgCode() ; |
ed4205d8 | 273 | |
274 | if(primaryType==22) | |
275 | recPhot->Fill(recZ,recX,recParticle->Energy()) ; | |
276 | else | |
277 | if(primaryType==-2112) | |
278 | recNbar->Fill(recZ,recX,recParticle->Energy()) ; | |
279 | } | |
280 | } | |
281 | } | |
282 | ||
283 | ||
284 | digitOccupancy->Draw("box") ; | |
285 | emcOccupancy->SetLineColor(2) ; | |
286 | emcOccupancy->Draw("boxsame") ; | |
287 | ppsdUp->SetLineColor(3) ; | |
288 | ppsdUp->Draw("boxsame") ; | |
289 | ppsdLow->SetLineColor(4) ; | |
290 | ppsdLow->Draw("boxsame") ; | |
291 | phot->SetLineColor(8) ; | |
292 | phot->Draw("boxsame") ; | |
293 | nbar->SetLineColor(6) ; | |
294 | nbar->Draw("boxsame") ; | |
295 | ||
296 | } | |
134ce69a | 297 | //____________________________________________________________________________ |
ed4205d8 | 298 | void AliPHOSAnalyze::Reconstruct(Int_t nevents,Int_t firstEvent ) |
c3b9b3f9 | 299 | { |
134ce69a | 300 | |
ed4205d8 | 301 | // Performs reconstruction of EMC and CPV (GPS2, IHEP or MIXT) |
a3dfe79c | 302 | // for events from FirstEvent to Nevents |
2bed9e3e | 303 | |
304 | Int_t ievent ; | |
ed4205d8 | 305 | for ( ievent=firstEvent; ievent<nevents; ievent++) { |
306 | if (ievent==firstEvent) { | |
2bed9e3e | 307 | cout << "Analyze > Starting Reconstructing " << endl ; |
308 | //========== Create the Clusterizer | |
309 | fClu = new AliPHOSClusterizerv1() ; | |
fc879520 | 310 | |
2bed9e3e | 311 | //========== Creates the track segment maker |
312 | fTrs = new AliPHOSTrackSegmentMakerv1() ; | |
fad3e5b9 | 313 | // fTrs->UnsetUnfoldFlag() ; |
2bed9e3e | 314 | |
fad3e5b9 | 315 | //========== Creates the particle identifier |
316 | fPID = new AliPHOSPIDv1() ; | |
317 | fPID->SetShowerProfileCuts(0.3, 1.8, 0.3, 1.8 ) ; | |
fc879520 | 318 | |
2bed9e3e | 319 | //========== Creates the Reconstructioner |
320 | fRec = new AliPHOSReconstructioner(fClu, fTrs, fPID) ; | |
321 | if (fDebugLevel != 0) fRec -> SetDebugReconstruction(kTRUE); | |
322 | } | |
fad3e5b9 | 323 | |
2bed9e3e | 324 | if (fDebugLevel != 0 || |
325 | (ievent+1) % (Int_t)TMath::Power( 10, (Int_t)TMath::Log10(ievent+1) ) == 0) | |
326 | cout << "======= Analyze ======> Event " << ievent+1 << endl ; | |
327 | ||
037cc66d | 328 | fPHOS->Enable() ; |
fad3e5b9 | 329 | |
037cc66d | 330 | gAlice->Hits2Digits() ; |
fad3e5b9 | 331 | |
2bed9e3e | 332 | //=========== Do the reconstruction |
ed4205d8 | 333 | fPHOS->Reconstruction(fRec); |
fad3e5b9 | 334 | |
ed4205d8 | 335 | } |
336 | ||
2bed9e3e | 337 | if(fClu) {delete fClu ; fClu =0 ;} |
338 | if(fPID) {delete fPID ; fPID =0 ;} | |
339 | if(fRec) {delete fRec ; fRec =0 ;} | |
340 | if(fTrs) {delete fTrs ; fTrs =0 ;} | |
341 | ||
342 | } | |
343 | ||
344 | //------------------------------------------------------------------------------------- | |
8c0cd6e9 | 345 | void AliPHOSAnalyze::ReadAndPrintCPV(Int_t EvFirst, Int_t EvLast) |
2bed9e3e | 346 | { |
fad3e5b9 | 347 | // // |
348 | // // Read and print generated and reconstructed hits in CPV | |
349 | // // for events from EvFirst to Nevent. | |
350 | // // If only EvFirst is defined, print only this one event. | |
351 | // // Author: Yuri Kharlov | |
352 | // // 12 October 2000 | |
353 | // // | |
354 | ||
355 | // if (EvFirst!=0 && EvLast==0) EvLast=EvFirst; | |
356 | // for ( Int_t ievent=EvFirst; ievent<=EvLast; ievent++) { | |
8c0cd6e9 | 357 | |
fad3e5b9 | 358 | // //========== Event Number> |
359 | // cout << endl << "==== ReadAndPrintCPV ====> Event is " << ievent+1 << endl ; | |
2bed9e3e | 360 | |
fad3e5b9 | 361 | // //=========== Connects the various Tree's for evt |
362 | // Int_t ntracks = gAlice->GetEvent(ievent); | |
2bed9e3e | 363 | |
fad3e5b9 | 364 | // //========== Creating branches =================================== |
365 | // AliPHOSRecPoint::RecPointsList ** emcRecPoints = fPHOS->EmcRecPoints() ; | |
366 | // gAlice->TreeR()->SetBranchAddress( "PHOSEmcRP" , emcRecPoints ) ; | |
2bed9e3e | 367 | |
fad3e5b9 | 368 | // AliPHOSRecPoint::RecPointsList ** cpvRecPoints = fPHOS->PpsdRecPoints() ; |
369 | // gAlice->TreeR()->SetBranchAddress( "PHOSPpsdRP", cpvRecPoints ) ; | |
2bed9e3e | 370 | |
fad3e5b9 | 371 | // // Read and print CPV hits |
a3dfe79c | 372 | |
fad3e5b9 | 373 | // AliPHOSCPVModule cpvModule; |
374 | // TClonesArray *cpvHits; | |
375 | // Int_t nCPVhits; | |
376 | // AliPHOSCPVHit *cpvHit; | |
377 | // TLorentzVector p; | |
378 | // Float_t xgen, zgen; | |
379 | // Int_t ipart; | |
380 | // Int_t nGenHits = 0; | |
381 | // for (Int_t itrack=0; itrack<ntracks; itrack++) { | |
382 | // //=========== Get the Hits Tree for the Primary track itrack | |
383 | // gAlice->ResetHits(); | |
384 | // gAlice->TreeH()->GetEvent(itrack); | |
385 | // Int_t iModule = 0 ; | |
386 | // for (iModule=0; iModule < fGeom->GetNCPVModules(); iModule++) { | |
387 | // cpvModule = fPHOS->GetCPVModule(iModule); | |
388 | // cpvHits = cpvModule.Hits(); | |
389 | // nCPVhits = cpvHits->GetEntriesFast(); | |
390 | // for (Int_t ihit=0; ihit<nCPVhits; ihit++) { | |
391 | // nGenHits++; | |
392 | // cpvHit = (AliPHOSCPVHit*)cpvHits->UncheckedAt(ihit); | |
393 | // p = cpvHit->GetMomentum(); | |
394 | // xgen = cpvHit->X(); | |
395 | // zgen = cpvHit->Y(); | |
396 | // ipart = cpvHit->GetIpart(); | |
397 | // printf("CPV hit in module %d: ",iModule+1); | |
398 | // printf(" p = (%f, %f, %f, %f) GeV,\n", | |
399 | // p.Px(),p.Py(),p.Pz(),p.Energy()); | |
400 | // printf(" (X,Z) = (%8.4f, %8.4f) cm, ipart = %d\n", | |
401 | // xgen,zgen,ipart); | |
402 | // } | |
403 | // } | |
404 | // } | |
405 | ||
406 | // // Read and print CPV reconstructed points | |
407 | ||
408 | // //=========== Gets the Reconstruction TTree | |
409 | // gAlice->TreeR()->GetEvent(0) ; | |
410 | // printf("Recpoints: %d\n",(*fPHOS->CpvRecPoints())->GetEntries()); | |
411 | // TIter nextRP(*fPHOS->CpvRecPoints() ) ; | |
412 | // AliPHOSCpvRecPoint *cpvRecPoint ; | |
413 | // Int_t nRecPoints = 0; | |
414 | // while( ( cpvRecPoint = (AliPHOSCpvRecPoint *)nextRP() ) ) { | |
415 | // nRecPoints++; | |
416 | // TVector3 locpos; | |
417 | // cpvRecPoint->GetLocalPosition(locpos); | |
418 | // Int_t phosModule = cpvRecPoint->GetPHOSMod(); | |
419 | // printf("CPV recpoint in module %d: (X,Z) = (%f,%f) cm\n", | |
420 | // phosModule,locpos.X(),locpos.Z()); | |
421 | // } | |
422 | // printf("This event has %d generated hits and %d reconstructed points\n", | |
423 | // nGenHits,nRecPoints); | |
424 | // } | |
2bed9e3e | 425 | } |
134ce69a | 426 | |
2bed9e3e | 427 | //____________________________________________________________________________ |
428 | void AliPHOSAnalyze::AnalyzeCPV(Int_t Nevents) | |
429 | { | |
037cc66d | 430 | // // |
431 | // // Analyzes CPV characteristics | |
432 | // // Author: Yuri Kharlov | |
433 | // // 9 October 2000 | |
434 | // // | |
435 | ||
436 | // // Book histograms | |
437 | ||
438 | // TH1F *hDx = new TH1F("hDx" ,"CPV x-resolution@reconstruction",100,-5. , 5.); | |
439 | // TH1F *hDz = new TH1F("hDz" ,"CPV z-resolution@reconstruction",100,-5. , 5.); | |
440 | // TH1F *hDr = new TH1F("hDr" ,"CPV r-resolution@reconstruction",100, 0. , 5.); | |
441 | // TH1S *hNrp = new TH1S("hNrp" ,"CPV rec.point multiplicity", 21,-0.5,20.5); | |
442 | // TH1S *hNrpX = new TH1S("hNrpX","CPV rec.point Phi-length" , 21,-0.5,20.5); | |
443 | // TH1S *hNrpZ = new TH1S("hNrpZ","CPV rec.point Z-length" , 21,-0.5,20.5); | |
444 | ||
445 | // cout << "Start CPV Analysis"<< endl ; | |
446 | // for ( Int_t ievent=0; ievent<Nevents; ievent++) { | |
2bed9e3e | 447 | |
037cc66d | 448 | // //========== Event Number> |
449 | // // if ( (ievent+1) % (Int_t)TMath::Power( 10, (Int_t)TMath::Log10(ievent+1) ) == 0) | |
450 | // cout << endl << "==== AnalyzeCPV ====> Event is " << ievent+1 << endl ; | |
2bed9e3e | 451 | |
037cc66d | 452 | // //=========== Connects the various Tree's for evt |
453 | // Int_t ntracks = gAlice->GetEvent(ievent); | |
2bed9e3e | 454 | |
037cc66d | 455 | // //========== Creating branches =================================== |
456 | // AliPHOSRecPoint::RecPointsList ** emcRecPoints = fPHOS->EmcRecPoints() ; | |
457 | // gAlice->TreeR()->SetBranchAddress( "PHOSEmcRP" , emcRecPoints ) ; | |
2bed9e3e | 458 | |
037cc66d | 459 | // AliPHOSRecPoint::RecPointsList ** cpvRecPoints = fPHOS->PpsdRecPoints() ; |
460 | // gAlice->TreeR()->SetBranchAddress( "PHOSPpsdRP", cpvRecPoints ) ; | |
8c0cd6e9 | 461 | |
037cc66d | 462 | // // Create and fill arrays of hits for each CPV module |
8c0cd6e9 | 463 | |
037cc66d | 464 | // Int_t nOfModules = fGeom->GetNModules(); |
465 | // TClonesArray **hitsPerModule = new TClonesArray *[nOfModules]; | |
466 | // Int_t iModule = 0; | |
467 | // for (iModule=0; iModule < nOfModules; iModule++) | |
468 | // hitsPerModule[iModule] = new TClonesArray("AliPHOSCPVHit",100); | |
8c0cd6e9 | 469 | |
037cc66d | 470 | // AliPHOSCPVModule cpvModule; |
471 | // TClonesArray *cpvHits; | |
472 | // Int_t nCPVhits; | |
473 | // AliPHOSCPVHit *cpvHit; | |
474 | // TLorentzVector p; | |
475 | // Float_t xzgen[2]; | |
476 | // Int_t ipart; | |
134ce69a | 477 | |
037cc66d | 478 | // // First go through all primary tracks and fill the arrays |
479 | // // of hits per each CPV module | |
2bed9e3e | 480 | |
037cc66d | 481 | // for (Int_t itrack=0; itrack<ntracks; itrack++) { |
482 | // // Get the Hits Tree for the Primary track itrack | |
483 | // gAlice->ResetHits(); | |
484 | // gAlice->TreeH()->GetEvent(itrack); | |
485 | // for (Int_t iModule=0; iModule < nOfModules; iModule++) { | |
486 | // cpvModule = fPHOS->GetCPVModule(iModule); | |
487 | // cpvHits = cpvModule.Hits(); | |
488 | // nCPVhits = cpvHits->GetEntriesFast(); | |
489 | // for (Int_t ihit=0; ihit<nCPVhits; ihit++) { | |
490 | // cpvHit = (AliPHOSCPVHit*)cpvHits->UncheckedAt(ihit); | |
491 | // p = cpvHit->GetMomentum(); | |
492 | // xzgen[0] = cpvHit->X(); | |
493 | // xzgen[1] = cpvHit->Y(); | |
494 | // ipart = cpvHit->GetIpart(); | |
495 | // TClonesArray &lhits = *(TClonesArray *)hitsPerModule[iModule]; | |
496 | // new(lhits[hitsPerModule[iModule]->GetEntriesFast()]) AliPHOSCPVHit(*cpvHit); | |
497 | // } | |
498 | // cpvModule.Clear(); | |
499 | // } | |
500 | // } | |
501 | // for (iModule=0; iModule < nOfModules; iModule++) { | |
502 | // Int_t nsum = hitsPerModule[iModule]->GetEntriesFast(); | |
503 | // printf("Module %d has %d hits\n",iModule,nsum); | |
504 | // } | |
505 | ||
506 | // // Then go through reconstructed points and for each find | |
507 | // // the closeset hit | |
508 | // // The distance from the rec.point to the closest hit | |
509 | // // gives the coordinate resolution of the CPV | |
510 | ||
511 | // // Get the Reconstruction Tree | |
512 | // gAlice->TreeR()->GetEvent(0) ; | |
513 | // TIter nextRP(*fPHOS->PpsdRecPoints() ) ; | |
514 | // AliPHOSCpvRecPoint *cpvRecPoint ; | |
515 | // Float_t xgen, zgen; | |
516 | // while( ( cpvRecPoint = (AliPHOSCpvRecPoint *)nextRP() ) ) { | |
517 | // TVector3 locpos; | |
518 | // cpvRecPoint->GetLocalPosition(locpos); | |
519 | // Int_t phosModule = cpvRecPoint->GetPHOSMod(); | |
520 | // Int_t rpMult = cpvRecPoint->GetDigitsMultiplicity(); | |
521 | // Int_t rpMultX, rpMultZ; | |
522 | // cpvRecPoint->GetClusterLengths(rpMultX,rpMultZ); | |
523 | // Float_t xrec = locpos.X(); | |
524 | // Float_t zrec = locpos.Z(); | |
525 | // Float_t dxmin = 1.e+10; | |
526 | // Float_t dzmin = 1.e+10; | |
527 | // Float_t r2min = 1.e+10; | |
528 | // Float_t r2; | |
529 | ||
530 | // cpvHits = hitsPerModule[phosModule-1]; | |
531 | // Int_t nCPVhits = cpvHits->GetEntriesFast(); | |
532 | // for (Int_t ihit=0; ihit<nCPVhits; ihit++) { | |
533 | // cpvHit = (AliPHOSCPVHit*)cpvHits->UncheckedAt(ihit); | |
534 | // xgen = cpvHit->X(); | |
535 | // zgen = cpvHit->Y(); | |
536 | // r2 = TMath::Power((xgen-xrec),2) + TMath::Power((zgen-zrec),2); | |
537 | // if ( r2 < r2min ) { | |
538 | // r2min = r2; | |
539 | // dxmin = xgen - xrec; | |
540 | // dzmin = zgen - zrec; | |
541 | // } | |
542 | // } | |
543 | // hDx ->Fill(dxmin); | |
544 | // hDz ->Fill(dzmin); | |
545 | // hDr ->Fill(TMath::Sqrt(r2min)); | |
546 | // hNrp ->Fill(rpMult); | |
547 | // hNrpX->Fill(rpMultX); | |
548 | // hNrpZ->Fill(rpMultZ); | |
549 | // } | |
550 | // delete [] hitsPerModule; | |
551 | // } | |
552 | // // Save histograms | |
553 | ||
554 | // Text_t outputname[80] ; | |
555 | // sprintf(outputname,"%s.analyzed",fRootFile->GetName()); | |
556 | // TFile output(outputname,"RECREATE"); | |
557 | // output.cd(); | |
558 | ||
559 | // hDx ->Write() ; | |
560 | // hDz ->Write() ; | |
561 | // hDr ->Write() ; | |
562 | // hNrp ->Write() ; | |
563 | // hNrpX->Write() ; | |
564 | // hNrpZ->Write() ; | |
565 | ||
566 | // // Plot histograms | |
567 | ||
568 | // TCanvas *cpvCanvas = new TCanvas("CPV","CPV analysis",20,20,800,400); | |
569 | // gStyle->SetOptStat(111111); | |
570 | // gStyle->SetOptFit(1); | |
571 | // gStyle->SetOptDate(1); | |
572 | // cpvCanvas->Divide(3,2); | |
573 | ||
574 | // cpvCanvas->cd(1); | |
575 | // gPad->SetFillColor(10); | |
576 | // hNrp->SetFillColor(16); | |
577 | // hNrp->Draw(); | |
578 | ||
579 | // cpvCanvas->cd(2); | |
580 | // gPad->SetFillColor(10); | |
581 | // hNrpX->SetFillColor(16); | |
582 | // hNrpX->Draw(); | |
583 | ||
584 | // cpvCanvas->cd(3); | |
585 | // gPad->SetFillColor(10); | |
586 | // hNrpZ->SetFillColor(16); | |
587 | // hNrpZ->Draw(); | |
588 | ||
589 | // cpvCanvas->cd(4); | |
590 | // gPad->SetFillColor(10); | |
591 | // hDx->SetFillColor(16); | |
592 | // hDx->Fit("gaus"); | |
593 | // hDx->Draw(); | |
594 | ||
595 | // cpvCanvas->cd(5); | |
596 | // gPad->SetFillColor(10); | |
597 | // hDz->SetFillColor(16); | |
598 | // hDz->Fit("gaus"); | |
599 | // hDz->Draw(); | |
600 | ||
601 | // cpvCanvas->cd(6); | |
602 | // gPad->SetFillColor(10); | |
603 | // hDr->SetFillColor(16); | |
604 | // hDr->Draw(); | |
605 | ||
606 | // cpvCanvas->Print("CPV.ps"); | |
c3b9b3f9 | 607 | |
c3b9b3f9 | 608 | } |
2bed9e3e | 609 | |
c3b9b3f9 | 610 | //____________________________________________________________________________ |
69183710 | 611 | void AliPHOSAnalyze::InvariantMass(Int_t Nevents ) |
c3b9b3f9 | 612 | { |
69183710 | 613 | // Calculates Real and Mixed invariant mass distributions |
ed4205d8 | 614 | |
2f04ed65 | 615 | const Int_t knMixedEvents = 4 ; //# of events used for calculation of 'mixed' distribution |
616 | Int_t mixedLoops = (Int_t )TMath::Ceil(Nevents/knMixedEvents) ; | |
69183710 | 617 | |
618 | //========== Booking Histograms | |
619 | TH2D * hRealEM = new TH2D("hRealEM", "Real for EM particles", 250,0.,1.,40,0.,4.) ; | |
620 | TH2D * hRealPhot = new TH2D("hRealPhot", "Real for kPhoton particles", 250,0.,1.,40,0.,4.) ; | |
621 | TH2D * hMixedEM = new TH2D("hMixedEM", "Mixed for EM particles", 250,0.,1.,40,0.,4.) ; | |
622 | TH2D * hMixedPhot= new TH2D("hMixedPhot","Mixed for kPhoton particles",250,0.,1.,40,0.,4.) ; | |
623 | ||
624 | Int_t ievent; | |
ed4205d8 | 625 | Int_t eventInMixedLoop ; |
69183710 | 626 | |
2f04ed65 | 627 | Int_t nRecParticles[4];//knMixedEvents] ; |
69183710 | 628 | |
2f04ed65 | 629 | AliPHOSRecParticle::RecParticlesList * allRecParticleList = new TClonesArray("AliPHOSRecParticle", knMixedEvents*1000) ; |
69183710 | 630 | |
ed4205d8 | 631 | for(eventInMixedLoop = 0; eventInMixedLoop < mixedLoops; eventInMixedLoop++ ){ |
69183710 | 632 | Int_t iRecPhot = 0 ; |
c3b9b3f9 | 633 | |
2f04ed65 | 634 | for ( ievent=0; ievent < knMixedEvents; ievent++){ |
69183710 | 635 | |
2f04ed65 | 636 | Int_t absEventNumber = eventInMixedLoop*knMixedEvents + ievent ; |
69183710 | 637 | |
638 | //=========== Connects the various Tree's for evt | |
ed4205d8 | 639 | gAlice->GetEvent(absEventNumber); |
640 | ||
69183710 | 641 | //========== Creating branches =================================== |
ed4205d8 | 642 | fPHOS->SetTreeAddress() ; |
69183710 | 643 | |
ed4205d8 | 644 | gAlice->TreeD()->GetEvent(0) ; |
69183710 | 645 | gAlice->TreeR()->GetEvent(0) ; |
646 | ||
ed4205d8 | 647 | TClonesArray ** recParticleList = fPHOS->RecParticles() ; |
648 | ||
649 | ||
650 | AliPHOSRecParticle * recParticle ; | |
69183710 | 651 | Int_t iRecParticle ; |
ed4205d8 | 652 | for(iRecParticle = 0; iRecParticle < (*recParticleList)->GetEntries() ;iRecParticle++ ) |
69183710 | 653 | { |
ed4205d8 | 654 | recParticle = (AliPHOSRecParticle *) (*recParticleList)->At(iRecParticle) ; |
655 | if((recParticle->GetType() == AliPHOSFastRecParticle::kGAMMA)|| | |
656 | (recParticle->GetType() == AliPHOSFastRecParticle::kNEUTRALEM)){ | |
657 | new( (*allRecParticleList)[iRecPhot] ) AliPHOSRecParticle(*recParticle) ; | |
69183710 | 658 | iRecPhot++; |
659 | } | |
660 | } | |
661 | ||
ed4205d8 | 662 | nRecParticles[ievent] = iRecPhot-1 ; |
c3b9b3f9 | 663 | } |
69183710 | 664 | |
69183710 | 665 | //Now calculate invariant mass: |
666 | Int_t irp1,irp2 ; | |
ed4205d8 | 667 | Int_t nCurEvent = 0 ; |
c3b9b3f9 | 668 | |
ed4205d8 | 669 | for(irp1 = 0; irp1 < allRecParticleList->GetEntries()-1; irp1++){ |
670 | AliPHOSRecParticle * rp1 = (AliPHOSRecParticle *)allRecParticleList->At(irp1) ; | |
c3b9b3f9 | 671 | |
ed4205d8 | 672 | for(irp2 = irp1+1; irp2 < allRecParticleList->GetEntries(); irp2++){ |
673 | AliPHOSRecParticle * rp2 = (AliPHOSRecParticle *)allRecParticleList->At(irp2) ; | |
69183710 | 674 | |
ed4205d8 | 675 | Double_t invMass ; |
676 | invMass = (rp1->Energy()+rp2->Energy())*(rp1->Energy()+rp2->Energy())- | |
69183710 | 677 | (rp1->Px()+rp2->Px())*(rp1->Px()+rp2->Px())- |
678 | (rp1->Py()+rp2->Py())*(rp1->Py()+rp2->Py())- | |
679 | (rp1->Pz()+rp2->Pz())*(rp1->Pz()+rp2->Pz()) ; | |
680 | ||
ed4205d8 | 681 | if(invMass> 0) |
682 | invMass = TMath::Sqrt(invMass); | |
69183710 | 683 | |
ed4205d8 | 684 | Double_t pt ; |
685 | pt = TMath::Sqrt((rp1->Px()+rp2->Px() )*( rp1->Px()+rp2->Px() ) +(rp1->Py()+rp2->Py())*(rp1->Py()+rp2->Py())); | |
69183710 | 686 | |
ed4205d8 | 687 | if(irp1 > nRecParticles[nCurEvent]) |
688 | nCurEvent++; | |
69183710 | 689 | |
ed4205d8 | 690 | if(irp2 <= nRecParticles[nCurEvent]){ //'Real' event |
691 | hRealEM->Fill(invMass,pt); | |
69183710 | 692 | if((rp1->GetType() == AliPHOSFastRecParticle::kGAMMA)&&(rp2->GetType() == AliPHOSFastRecParticle::kGAMMA)) |
ed4205d8 | 693 | hRealPhot->Fill(invMass,pt); |
69183710 | 694 | } |
695 | else{ | |
ed4205d8 | 696 | hMixedEM->Fill(invMass,pt); |
69183710 | 697 | if((rp1->GetType() == AliPHOSFastRecParticle::kGAMMA)&&(rp2->GetType() == AliPHOSFastRecParticle::kGAMMA)) |
ed4205d8 | 698 | hMixedPhot->Fill(invMass,pt); |
69183710 | 699 | } //real-mixed |
700 | ||
701 | } //loop over second rp | |
702 | }//loop over first rp | |
ed4205d8 | 703 | allRecParticleList->Delete() ; |
69183710 | 704 | } //Loop over events |
705 | ||
ed4205d8 | 706 | delete allRecParticleList ; |
69183710 | 707 | |
708 | //writing output | |
709 | TFile output("invmass.root","RECREATE"); | |
710 | output.cd(); | |
711 | ||
712 | hRealEM->Write() ; | |
713 | hRealPhot->Write() ; | |
714 | hMixedEM->Write() ; | |
715 | hMixedPhot->Write() ; | |
716 | ||
717 | output.Write(); | |
718 | output.Close(); | |
c3b9b3f9 | 719 | |
720 | } | |
721 | ||
ed4205d8 | 722 | //____________________________________________________________________________ |
333d1c21 | 723 | void AliPHOSAnalyze::ReadAndPrintEMC(Int_t EvFirst, Int_t EvLast) |
ed4205d8 | 724 | { |
037cc66d | 725 | // // |
726 | // // Read and print generated and reconstructed hits in EMC | |
727 | // // for events from EvFirst to Nevent. | |
728 | // // If only EvFirst is defined, print only this one event. | |
729 | // // Author: Yuri Kharlov | |
730 | // // 24 November 2000 | |
731 | // // | |
732 | ||
733 | // if (EvFirst!=0 && EvLast==0) EvLast=EvFirst; | |
734 | // Int_t ievent; | |
735 | // for (ievent=EvFirst; ievent<=EvLast; ievent++) { | |
ed4205d8 | 736 | |
037cc66d | 737 | // //========== Event Number> |
738 | // cout << endl << "==== ReadAndPrintEMC ====> Event is " << ievent+1 << endl ; | |
ed4205d8 | 739 | |
037cc66d | 740 | // //=========== Connects the various Tree's for evt |
741 | // Int_t ntracks = gAlice->GetEvent(ievent); | |
742 | // fPHOS->SetTreeAddress() ; | |
ed4205d8 | 743 | |
037cc66d | 744 | // gAlice->TreeD()->GetEvent(0) ; |
745 | // gAlice->TreeR()->GetEvent(0) ; | |
ed4205d8 | 746 | |
037cc66d | 747 | // // Loop over reconstructed particles |
ed4205d8 | 748 | |
037cc66d | 749 | // TClonesArray ** recParticleList = fPHOS->RecParticles() ; |
750 | // AliPHOSRecParticle * recParticle ; | |
751 | // Int_t iRecParticle ; | |
752 | // Int_t *primList; | |
753 | // Int_t nPrimary; | |
754 | // for(iRecParticle = 0; iRecParticle < (*recParticleList)->GetEntries() ;iRecParticle++ ) { | |
755 | // recParticle = (AliPHOSRecParticle *) (*recParticleList)->At(iRecParticle) ; | |
756 | // Float_t recE = recParticle->Energy(); | |
757 | // primList = recParticle->GetPrimaries(nPrimary); | |
758 | // Int_t moduleNumberRec ; | |
759 | // Double_t recX, recZ ; | |
760 | // fGeom->ImpactOnEmc(recParticle->Theta(), recParticle->Phi(), moduleNumberRec, recX, recZ) ; | |
761 | // printf("Rec point: module %d, (X,Z) = (%8.4f,%8.4f) cm, E = %.3f GeV, primary = %d\n", | |
762 | // moduleNumberRec,recX,recZ,recE,*primList); | |
763 | // } | |
ed4205d8 | 764 | |
037cc66d | 765 | // // Read and print EMC hits from EMCn branches |
ed4205d8 | 766 | |
037cc66d | 767 | // AliPHOSCPVModule emcModule; |
768 | // TClonesArray *emcHits; | |
769 | // Int_t nEMChits; | |
770 | // AliPHOSCPVHit *emcHit; | |
771 | // TLorentzVector p; | |
772 | // Float_t xgen, zgen; | |
773 | // Int_t ipart, primary; | |
774 | // Int_t nGenHits = 0; | |
775 | // for (Int_t itrack=0; itrack<ntracks; itrack++) { | |
776 | // //=========== Get the Hits Tree for the Primary track itrack | |
777 | // gAlice->ResetHits(); | |
778 | // gAlice->TreeH()->GetEvent(itrack); | |
779 | // Int_t iModule = 0 ; | |
780 | // for (iModule=0; iModule < fGeom->GetNModules(); iModule++) { | |
781 | // emcModule = fPHOS->GetEMCModule(iModule); | |
782 | // emcHits = emcModule.Hits(); | |
783 | // nEMChits = emcHits->GetEntriesFast(); | |
784 | // for (Int_t ihit=0; ihit<nEMChits; ihit++) { | |
785 | // nGenHits++; | |
786 | // emcHit = (AliPHOSCPVHit*)emcHits->UncheckedAt(ihit); | |
787 | // p = emcHit->GetMomentum(); | |
788 | // xgen = emcHit->X(); | |
789 | // zgen = emcHit->Y(); | |
790 | // ipart = emcHit->GetIpart(); | |
791 | // primary= emcHit->GetTrack(); | |
792 | // printf("EMC hit A: module %d, ",iModule+1); | |
793 | // printf(" p = (%f .4, %f .4, %f .4, %f .4) GeV,\n", | |
794 | // p.Px(),p.Py(),p.Pz(),p.Energy()); | |
795 | // printf(" (X,Z) = (%8.4f, %8.4f) cm, ipart = %d, primary = %d\n", | |
796 | // xgen,zgen,ipart,primary); | |
797 | // } | |
798 | // } | |
799 | // } | |
ed4205d8 | 800 | |
037cc66d | 801 | // // // Read and print EMC hits from PHOS branch |
802 | ||
803 | // // for (Int_t itrack=0; itrack<ntracks; itrack++) { | |
804 | // // //=========== Get the Hits Tree for the Primary track itrack | |
805 | // // gAlice->ResetHits(); | |
806 | // // gAlice->TreeH()->GetEvent(itrack); | |
807 | // // TClonesArray *hits = fPHOS->Hits(); | |
808 | // // AliPHOSHit *hit ; | |
809 | // // Int_t ihit; | |
810 | // // for ( ihit = 0 ; ihit < hits->GetEntries() ; ihit++ ) { | |
811 | // // hit = (AliPHOSHit*)hits->At(ihit) ; | |
812 | // // Float_t hitXYZ[3]; | |
813 | // // hitXYZ[0] = hit->X(); | |
814 | // // hitXYZ[1] = hit->Y(); | |
815 | // // hitXYZ[2] = hit->Z(); | |
816 | // // ipart = hit->GetPid(); | |
817 | // // primary = hit->GetPrimary(); | |
818 | // // Int_t absId = hit->GetId(); | |
819 | // // Int_t relId[4]; | |
820 | // // fGeom->AbsToRelNumbering(absId, relId) ; | |
821 | // // Int_t module = relId[0]; | |
822 | // // if (relId[1]==0 && !(hitXYZ[0]==0 && hitXYZ[2]==0)) | |
823 | // // printf("EMC hit B: module %d, (X,Z) = (%8.4f, %8.4f) cm, ipart = %d, primary = %d\n", | |
824 | // // module,hitXYZ[0],hitXYZ[2],ipart,primary); | |
825 | // // } | |
826 | // // } | |
ed4205d8 | 827 | |
037cc66d | 828 | // } |
ed4205d8 | 829 | } |
830 | ||
831 | //____________________________________________________________________________ | |
832 | void AliPHOSAnalyze::AnalyzeEMC(Int_t Nevents) | |
833 | { | |
037cc66d | 834 | // // |
835 | // // Read generated and reconstructed hits in EMC for Nevents events. | |
836 | // // Plots the coordinate and energy resolution histograms. | |
837 | // // Coordinate resolution is a difference between the reconstructed | |
838 | // // coordinate and the exact coordinate on the face of the PHOS | |
839 | // // Author: Yuri Kharlov | |
840 | // // 27 November 2000 | |
841 | // // | |
842 | ||
843 | // // Book histograms | |
844 | ||
845 | // TH1F *hDx1 = new TH1F("hDx1" ,"EMC x-resolution", 100,-5. , 5.); | |
846 | // TH1F *hDz1 = new TH1F("hDz1" ,"EMC z-resolution", 100,-5. , 5.); | |
847 | // TH1F *hDE1 = new TH1F("hDE1" ,"EMC E-resolution", 100,-2. , 2.); | |
848 | ||
849 | // TH2F *hDx2 = new TH2F("hDx2" ,"EMC x-resolution", 100, 0., 10., 100,-5. , 5.); | |
850 | // TH2F *hDz2 = new TH2F("hDz2" ,"EMC z-resolution", 100, 0., 10., 100,-5. , 5.); | |
851 | // TH2F *hDE2 = new TH2F("hDE2" ,"EMC E-resolution", 100, 0., 10., 100, 0. , 5.); | |
852 | ||
853 | // cout << "Start EMC Analysis"<< endl ; | |
854 | // for (Int_t ievent=0; ievent<Nevents; ievent++) { | |
ed4205d8 | 855 | |
037cc66d | 856 | // //========== Event Number> |
857 | // if ( (ievent+1) % (Int_t)TMath::Power( 10, (Int_t)TMath::Log10(ievent+1) ) == 0) | |
858 | // cout << "==== AnalyzeEMC ====> Event is " << ievent+1 << endl ; | |
ed4205d8 | 859 | |
037cc66d | 860 | // //=========== Connects the various Tree's for evt |
861 | // Int_t ntracks = gAlice->GetEvent(ievent); | |
ed4205d8 | 862 | |
037cc66d | 863 | // fPHOS->SetTreeAddress() ; |
ed4205d8 | 864 | |
037cc66d | 865 | // gAlice->TreeD()->GetEvent(0) ; |
866 | // gAlice->TreeR()->GetEvent(0) ; | |
ed4205d8 | 867 | |
037cc66d | 868 | // // Create and fill arrays of hits for each EMC module |
ed4205d8 | 869 | |
037cc66d | 870 | // Int_t nOfModules = fGeom->GetNModules(); |
871 | // TClonesArray **hitsPerModule = new TClonesArray *[nOfModules]; | |
872 | // Int_t iModule; | |
873 | // for (iModule=0; iModule < nOfModules; iModule++) | |
874 | // hitsPerModule[iModule] = new TClonesArray("AliPHOSCPVHit",100); | |
ed4205d8 | 875 | |
037cc66d | 876 | // AliPHOSCPVModule emcModule; |
877 | // TClonesArray *emcHits; | |
878 | // Int_t nEMChits; | |
879 | // AliPHOSCPVHit *emcHit; | |
ed4205d8 | 880 | |
037cc66d | 881 | // // First go through all primary tracks and fill the arrays |
882 | // // of hits per each EMC module | |
883 | ||
884 | // for (Int_t itrack=0; itrack<ntracks; itrack++) { | |
885 | // // Get the Hits Tree for the Primary track itrack | |
886 | // gAlice->ResetHits(); | |
887 | // gAlice->TreeH()->GetEvent(itrack); | |
888 | // for (Int_t iModule=0; iModule < nOfModules; iModule++) { | |
889 | // emcModule = fPHOS->GetEMCModule(iModule); | |
890 | // emcHits = emcModule.Hits(); | |
891 | // nEMChits = emcHits->GetEntriesFast(); | |
892 | // for (Int_t ihit=0; ihit<nEMChits; ihit++) { | |
893 | // emcHit = (AliPHOSCPVHit*)emcHits->UncheckedAt(ihit); | |
894 | // TClonesArray &lhits = *(TClonesArray *)hitsPerModule[iModule]; | |
895 | // new(lhits[hitsPerModule[iModule]->GetEntriesFast()]) AliPHOSCPVHit(*emcHit); | |
896 | // } | |
897 | // emcModule.Clear(); | |
898 | // } | |
899 | // } | |
ed4205d8 | 900 | |
037cc66d | 901 | // // Loop over reconstructed particles |
902 | ||
903 | // TClonesArray ** recParticleList = fPHOS->RecParticles() ; | |
904 | // AliPHOSRecParticle * recParticle ; | |
905 | // Int_t nEMCrecs = (*recParticleList)->GetEntries(); | |
906 | // if (nEMCrecs == 1) { | |
907 | // recParticle = (AliPHOSRecParticle *) (*recParticleList)->At(0) ; | |
908 | // Float_t recE = recParticle->Energy(); | |
909 | // Int_t phosModule; | |
910 | // Double_t recX, recZ ; | |
911 | // fGeom->ImpactOnEmc(recParticle->Theta(), recParticle->Phi(), phosModule, recX, recZ) ; | |
912 | ||
913 | // // for this rec.point take the hit list in the same PHOS module | |
914 | ||
915 | // emcHits = hitsPerModule[phosModule-1]; | |
916 | // Int_t nEMChits = emcHits->GetEntriesFast(); | |
917 | // if (nEMChits == 1) { | |
918 | // Float_t genX, genZ, genE; | |
919 | // for (Int_t ihit=0; ihit<nEMChits; ihit++) { | |
920 | // emcHit = (AliPHOSCPVHit*)emcHits->UncheckedAt(ihit); | |
921 | // genX = emcHit->X(); | |
922 | // genZ = emcHit->Y(); | |
923 | // genE = emcHit->GetMomentum().E(); | |
924 | // } | |
925 | // Float_t dx = recX - genX; | |
926 | // Float_t dz = recZ - genZ; | |
927 | // Float_t de = recE - genE; | |
928 | // hDx1 ->Fill(dx); | |
929 | // hDz1 ->Fill(dz); | |
930 | // hDE1 ->Fill(de); | |
931 | // hDx2 ->Fill(genE,dx); | |
932 | // hDz2 ->Fill(genE,dz); | |
933 | // hDE2 ->Fill(genE,recE); | |
934 | // } | |
935 | // } | |
936 | // delete [] hitsPerModule; | |
937 | // } | |
938 | // // Save histograms | |
939 | ||
940 | // Text_t outputname[80] ; | |
941 | // sprintf(outputname,"%s.analyzed",fRootFile->GetName()); | |
942 | // TFile output(outputname,"RECREATE"); | |
943 | // output.cd(); | |
944 | ||
945 | // hDx1 ->Write() ; | |
946 | // hDz1 ->Write() ; | |
947 | // hDE1 ->Write() ; | |
948 | // hDx2 ->Write() ; | |
949 | // hDz2 ->Write() ; | |
950 | // hDE2 ->Write() ; | |
951 | ||
952 | // // Plot histograms | |
953 | ||
954 | // TCanvas *emcCanvas = new TCanvas("EMC","EMC analysis",20,20,700,300); | |
955 | // gStyle->SetOptStat(111111); | |
956 | // gStyle->SetOptFit(1); | |
957 | // gStyle->SetOptDate(1); | |
958 | // emcCanvas->Divide(3,1); | |
959 | ||
960 | // emcCanvas->cd(1); | |
961 | // gPad->SetFillColor(10); | |
962 | // hDx1->SetFillColor(16); | |
963 | // hDx1->Draw(); | |
964 | ||
965 | // emcCanvas->cd(2); | |
966 | // gPad->SetFillColor(10); | |
967 | // hDz1->SetFillColor(16); | |
968 | // hDz1->Draw(); | |
969 | ||
970 | // emcCanvas->cd(3); | |
971 | // gPad->SetFillColor(10); | |
972 | // hDE1->SetFillColor(16); | |
973 | // hDE1->Draw(); | |
974 | ||
975 | // emcCanvas->Print("EMC.ps"); | |
ed4205d8 | 976 | |
977 | } | |
978 | ||
fc879520 | 979 | //____________________________________________________________________________ |
980 | void AliPHOSAnalyze::AnalyzeResolutions(Int_t Nevents ) | |
981 | { | |
982 | // analyzes Nevents events and calculate Energy and Position resolution as well as | |
983 | // probaility of correct indentifiing of the incident particle | |
134ce69a | 984 | |
fc879520 | 985 | //========== Booking Histograms |
986 | cout << "AnalyzeResolutions > " << "Booking Histograms" << endl ; | |
987 | BookResolutionHistograms(); | |
134ce69a | 988 | |
ed4205d8 | 989 | Int_t counter[9][5] ; |
990 | Int_t i1,i2,totalInd = 0 ; | |
fc879520 | 991 | for(i1 = 0; i1<9; i1++) |
992 | for(i2 = 0; i2<5; i2++) | |
ed4205d8 | 993 | counter[i1][i2] = 0 ; |
fc879520 | 994 | |
ed4205d8 | 995 | Int_t totalPrimary = 0 ; |
996 | Int_t totalRecPart = 0 ; | |
997 | Int_t totalRPwithPrim = 0 ; | |
fc879520 | 998 | Int_t ievent; |
999 | ||
1000 | cout << "Start Analysing"<< endl ; | |
1001 | for ( ievent=0; ievent<Nevents; ievent++) | |
1002 | { | |
1003 | ||
1004 | //========== Event Number> | |
69183710 | 1005 | // if ( ( log10((Float_t)(ievent+1)) - (Int_t)(log10((Float_t)(ievent+1))) ) == 0. ) |
fc879520 | 1006 | cout << "AnalyzeResolutions > " << "Event is " << ievent << endl ; |
1007 | ||
1008 | //=========== Connects the various Tree's for evt | |
1009 | gAlice->GetEvent(ievent); | |
134ce69a | 1010 | |
69183710 | 1011 | //=========== Gets the Kine TTree |
fc879520 | 1012 | gAlice->TreeK()->GetEvent(0) ; |
1013 | ||
1014 | //=========== Gets the list of Primari Particles | |
fc879520 | 1015 | |
ed4205d8 | 1016 | TParticle * primary ; |
fc879520 | 1017 | Int_t iPrimary ; |
2ab0c725 | 1018 | for ( iPrimary = 0 ; iPrimary < gAlice->GetNtrack() ; iPrimary++) |
69183710 | 1019 | { |
2ab0c725 | 1020 | primary = gAlice->Particle(iPrimary) ; |
ed4205d8 | 1021 | Int_t primaryType = primary->GetPdgCode() ; |
1022 | if( primaryType == 22 ) { | |
1023 | Int_t moduleNumber ; | |
1024 | Double_t primX, primZ ; | |
1025 | fGeom->ImpactOnEmc(primary->Theta(), primary->Phi(), moduleNumber, primX, primZ) ; | |
1026 | if(moduleNumber){ | |
1027 | fhPrimary->Fill(primary->Energy()) ; | |
1028 | if(primary->Energy() > 0.3) | |
1029 | totalPrimary++ ; | |
69183710 | 1030 | } |
1031 | } | |
1032 | } | |
fc879520 | 1033 | |
ed4205d8 | 1034 | fPHOS->SetTreeAddress() ; |
69183710 | 1035 | |
ed4205d8 | 1036 | gAlice->TreeD()->GetEvent(0) ; |
fc879520 | 1037 | gAlice->TreeR()->GetEvent(0) ; |
69183710 | 1038 | |
ed4205d8 | 1039 | TClonesArray ** recParticleList = fPHOS->RecParticles() ; |
1040 | ||
1041 | AliPHOSRecParticle * recParticle ; | |
fc879520 | 1042 | Int_t iRecParticle ; |
ed4205d8 | 1043 | for(iRecParticle = 0; iRecParticle < (*recParticleList)->GetEntries() ;iRecParticle++ ) |
fc879520 | 1044 | { |
ed4205d8 | 1045 | recParticle = (AliPHOSRecParticle *) (*recParticleList)->At(iRecParticle) ; |
1046 | fhAllRP->Fill(CorrectEnergy(recParticle->Energy())) ; | |
fc879520 | 1047 | |
ed4205d8 | 1048 | Int_t moduleNumberRec ; |
1049 | Double_t recX, recZ ; | |
1050 | fGeom->ImpactOnEmc(recParticle->Theta(), recParticle->Phi(), moduleNumberRec, recX, recZ) ; | |
fc879520 | 1051 | |
ed4205d8 | 1052 | Double_t minDistance = 100. ; |
1053 | Int_t closestPrimary = -1 ; | |
fc879520 | 1054 | |
1055 | Int_t numberofprimaries ; | |
ed4205d8 | 1056 | Int_t * listofprimaries = recParticle->GetPrimaries(numberofprimaries) ; |
fc879520 | 1057 | Int_t index ; |
ed4205d8 | 1058 | TParticle * primary ; |
1059 | Double_t distance = minDistance ; | |
1060 | Double_t dX, dZ; | |
b3445972 | 1061 | Double_t dXmin = 0.; |
1062 | Double_t dZmin = 0. ; | |
69183710 | 1063 | for ( index = 0 ; index < numberofprimaries ; index++){ |
2ab0c725 | 1064 | primary = gAlice->Particle(listofprimaries[index]) ; |
ed4205d8 | 1065 | Int_t moduleNumber ; |
1066 | Double_t primX, primZ ; | |
1067 | fGeom->ImpactOnEmc(primary->Theta(), primary->Phi(), moduleNumber, primX, primZ) ; | |
1068 | if(moduleNumberRec == moduleNumber) { | |
1069 | dX = recX - primX; | |
1070 | dZ = recZ - primZ; | |
1071 | distance = TMath::Sqrt(dX*dX + dZ*dZ) ; | |
1072 | if(minDistance > distance) { | |
1073 | minDistance = distance ; | |
1074 | dXmin = dX; | |
1075 | dZmin = dZ; | |
1076 | closestPrimary = listofprimaries[index] ; | |
69183710 | 1077 | } |
ed4205d8 | 1078 | } |
69183710 | 1079 | } |
ed4205d8 | 1080 | totalRecPart++ ; |
134ce69a | 1081 | |
ed4205d8 | 1082 | if(closestPrimary >=0 ){ |
1083 | totalRPwithPrim++; | |
69183710 | 1084 | |
2ab0c725 | 1085 | Int_t primaryType = gAlice->Particle(closestPrimary)->GetPdgCode() ; |
1086 | // TParticlePDG* pDGparticle = gAlice->ParticleAt(closestPrimary)->GetPDG(); | |
2bed9e3e | 1087 | // Double_t charge = PDGparticle->Charge() ; |
8f5ada7b | 1088 | // if(charge) |
ed4205d8 | 1089 | // cout <<"Primary " <<primaryType << " E " << ((TParticle *)primaryList->At(closestPrimary))->Energy() << endl ; |
1090 | Int_t primaryCode ; | |
1091 | switch(primaryType) | |
69183710 | 1092 | { |
1093 | case 22: | |
ed4205d8 | 1094 | primaryCode = 0; //Photon |
2ab0c725 | 1095 | fhAllEnergy ->Fill(gAlice->Particle(closestPrimary)->Energy(), recParticle->Energy()) ; |
1096 | fhAllPosition ->Fill(gAlice->Particle(closestPrimary)->Energy(), minDistance) ; | |
ed4205d8 | 1097 | fhAllPositionX->Fill(dXmin); |
1098 | fhAllPositionZ->Fill(dZmin); | |
69183710 | 1099 | break; |
1100 | case 11 : | |
ed4205d8 | 1101 | primaryCode = 1; //Electron |
69183710 | 1102 | break; |
1103 | case -11 : | |
ed4205d8 | 1104 | primaryCode = 1; //positron |
69183710 | 1105 | break; |
1106 | case 321 : | |
ed4205d8 | 1107 | primaryCode = 4; //K+ |
69183710 | 1108 | break; |
1109 | case -321 : | |
ed4205d8 | 1110 | primaryCode = 4; //K- |
69183710 | 1111 | break; |
1112 | case 310 : | |
ed4205d8 | 1113 | primaryCode = 4; //K0s |
69183710 | 1114 | break; |
1115 | case 130 : | |
ed4205d8 | 1116 | primaryCode = 4; //K0l |
69183710 | 1117 | break; |
8f5ada7b | 1118 | case 211 : |
ed4205d8 | 1119 | primaryCode = 2; //K0l |
8f5ada7b | 1120 | break; |
1121 | case -211 : | |
ed4205d8 | 1122 | primaryCode = 2; //K0l |
8f5ada7b | 1123 | break; |
1124 | case 2212 : | |
ed4205d8 | 1125 | primaryCode = 2; //K0l |
8f5ada7b | 1126 | break; |
1127 | case -2212 : | |
ed4205d8 | 1128 | primaryCode = 2; //K0l |
8f5ada7b | 1129 | break; |
69183710 | 1130 | default: |
ed4205d8 | 1131 | primaryCode = 3; //ELSE |
69183710 | 1132 | break; |
1133 | } | |
1134 | ||
ed4205d8 | 1135 | switch(recParticle->GetType()) |
69183710 | 1136 | { |
1137 | case AliPHOSFastRecParticle::kGAMMA: | |
ed4205d8 | 1138 | if(primaryType == 22){ |
2ab0c725 | 1139 | fhPhotEnergy->Fill(gAlice->Particle(closestPrimary)->Energy(), recParticle->Energy() ) ; |
1140 | fhEMEnergy->Fill(gAlice->Particle(closestPrimary)->Energy(), recParticle->Energy() ) ; | |
1141 | fhPPSDEnergy->Fill(gAlice->Particle(closestPrimary)->Energy(), recParticle->Energy() ) ; | |
69183710 | 1142 | |
2ab0c725 | 1143 | fhPhotPosition->Fill(gAlice->Particle(closestPrimary)->Energy(),minDistance) ; |
1144 | fhEMPosition->Fill(gAlice->Particle(closestPrimary)->Energy(),minDistance) ; | |
1145 | fhPPSDPosition->Fill(gAlice->Particle(closestPrimary)->Energy(),minDistance) ; | |
69183710 | 1146 | |
ed4205d8 | 1147 | fhPhotReg->Fill(CorrectEnergy(recParticle->Energy()) ) ; |
1148 | fhPhotEM->Fill(CorrectEnergy(recParticle->Energy()) ) ; | |
1149 | fhPhotPPSD->Fill(CorrectEnergy(recParticle->Energy()) ) ; | |
69183710 | 1150 | |
ed4205d8 | 1151 | fhPhotPhot->Fill(CorrectEnergy(recParticle->Energy()) ) ; |
69183710 | 1152 | } |
ed4205d8 | 1153 | if(primaryType == 2112){ //neutron |
1154 | fhNReg->Fill(CorrectEnergy(recParticle->Energy()) ) ; | |
1155 | fhNEM->Fill(CorrectEnergy(recParticle->Energy()) ) ; | |
1156 | fhNPPSD->Fill(CorrectEnergy(recParticle->Energy()) ) ; | |
69183710 | 1157 | } |
1158 | ||
ed4205d8 | 1159 | if(primaryType == -2112){ //neutron ~ |
1160 | fhNBarReg->Fill(CorrectEnergy(recParticle->Energy()) ) ; | |
1161 | fhNBarEM->Fill(CorrectEnergy(recParticle->Energy()) ) ; | |
1162 | fhNBarPPSD->Fill(CorrectEnergy(recParticle->Energy()) ) ; | |
69183710 | 1163 | |
1164 | } | |
ed4205d8 | 1165 | if(primaryCode == 2){ |
1166 | fhChargedReg->Fill(CorrectEnergy(recParticle->Energy()) ) ; | |
1167 | fhChargedEM->Fill(CorrectEnergy(recParticle->Energy()) ) ; | |
1168 | fhChargedPPSD->Fill(CorrectEnergy(recParticle->Energy()) ) ; | |
69183710 | 1169 | } |
1170 | ||
ed4205d8 | 1171 | fhAllReg->Fill(CorrectEnergy(recParticle->Energy()) ) ; |
1172 | fhAllEM->Fill(CorrectEnergy(recParticle->Energy()) ) ; | |
1173 | fhAllPPSD->Fill(CorrectEnergy(recParticle->Energy()) ) ; | |
1174 | fhShape->Fill(CorrectEnergy(recParticle->Energy()) ) ; | |
1175 | fhVeto->Fill(CorrectEnergy(recParticle->Energy()) ) ; | |
1176 | fhPPSD->Fill(CorrectEnergy(recParticle->Energy()) ) ; | |
1177 | counter[0][primaryCode]++; | |
69183710 | 1178 | break; |
1179 | case AliPHOSFastRecParticle::kELECTRON: | |
ed4205d8 | 1180 | if(primaryType == 22){ |
1181 | fhPhotElec->Fill(CorrectEnergy(recParticle->Energy()) ) ; | |
2ab0c725 | 1182 | fhEMEnergy->Fill(gAlice->Particle(closestPrimary)->Energy(), recParticle->Energy() ) ; |
1183 | fhEMPosition->Fill(gAlice->Particle(closestPrimary)->Energy(),minDistance) ; | |
ed4205d8 | 1184 | fhPhotEM->Fill(CorrectEnergy(recParticle->Energy()) ) ; |
1185 | fhPhotPPSD->Fill(CorrectEnergy(recParticle->Energy()) ) ; | |
69183710 | 1186 | } |
ed4205d8 | 1187 | if(primaryType == 2112){ //neutron |
1188 | fhNEM->Fill(CorrectEnergy(recParticle->Energy()) ) ; | |
1189 | fhNPPSD->Fill(CorrectEnergy(recParticle->Energy()) ) ; | |
69183710 | 1190 | } |
1191 | ||
ed4205d8 | 1192 | if(primaryType == -2112){ //neutron ~ |
1193 | fhNBarEM->Fill(CorrectEnergy(recParticle->Energy()) ) ; | |
1194 | fhNBarPPSD->Fill(CorrectEnergy(recParticle->Energy()) ) ; | |
69183710 | 1195 | |
1196 | } | |
ed4205d8 | 1197 | if(primaryCode == 2){ |
1198 | fhChargedEM->Fill(CorrectEnergy(recParticle->Energy()) ) ; | |
1199 | fhChargedPPSD->Fill(CorrectEnergy(recParticle->Energy()) ) ; | |
69183710 | 1200 | } |
1201 | ||
ed4205d8 | 1202 | fhAllEM->Fill(CorrectEnergy(recParticle->Energy()) ) ; |
1203 | fhAllPPSD->Fill(CorrectEnergy(recParticle->Energy()) ) ; | |
1204 | fhShape->Fill(CorrectEnergy(recParticle->Energy()) ) ; | |
1205 | fhPPSD->Fill(CorrectEnergy(recParticle->Energy()) ) ; | |
1206 | counter[1][primaryCode]++; | |
69183710 | 1207 | break; |
1208 | case AliPHOSFastRecParticle::kNEUTRALHA: | |
ed4205d8 | 1209 | if(primaryType == 22) |
1210 | fhPhotNeuH->Fill(CorrectEnergy(recParticle->Energy()) ) ; | |
69183710 | 1211 | |
ed4205d8 | 1212 | fhVeto->Fill(CorrectEnergy(recParticle->Energy()) ) ; |
1213 | counter[2][primaryCode]++; | |
69183710 | 1214 | break ; |
1215 | case AliPHOSFastRecParticle::kNEUTRALEM: | |
ed4205d8 | 1216 | if(primaryType == 22){ |
2ab0c725 | 1217 | fhEMEnergy->Fill(gAlice->Particle(closestPrimary)->Energy(),recParticle->Energy() ) ; |
1218 | fhEMPosition->Fill(gAlice->Particle(closestPrimary)->Energy(),minDistance ) ; | |
69183710 | 1219 | |
ed4205d8 | 1220 | fhPhotNuEM->Fill(CorrectEnergy(recParticle->Energy()) ) ; |
1221 | fhPhotEM->Fill(CorrectEnergy(recParticle->Energy()) ) ; | |
69183710 | 1222 | } |
ed4205d8 | 1223 | if(primaryType == 2112) //neutron |
1224 | fhNEM->Fill(CorrectEnergy(recParticle->Energy()) ) ; | |
69183710 | 1225 | |
ed4205d8 | 1226 | if(primaryType == -2112) //neutron ~ |
1227 | fhNBarEM->Fill(CorrectEnergy(recParticle->Energy()) ) ; | |
69183710 | 1228 | |
ed4205d8 | 1229 | if(primaryCode == 2) |
1230 | fhChargedEM->Fill(CorrectEnergy(recParticle->Energy()) ) ; | |
69183710 | 1231 | |
ed4205d8 | 1232 | fhAllEM->Fill(CorrectEnergy(recParticle->Energy()) ) ; |
1233 | fhShape->Fill(CorrectEnergy(recParticle->Energy()) ) ; | |
1234 | fhVeto->Fill(CorrectEnergy(recParticle->Energy()) ) ; | |
69183710 | 1235 | |
ed4205d8 | 1236 | counter[3][primaryCode]++; |
69183710 | 1237 | break ; |
1238 | case AliPHOSFastRecParticle::kCHARGEDHA: | |
ed4205d8 | 1239 | if(primaryType == 22) //photon |
1240 | fhPhotChHa->Fill(CorrectEnergy(recParticle->Energy()) ) ; | |
69183710 | 1241 | |
ed4205d8 | 1242 | counter[4][primaryCode]++ ; |
69183710 | 1243 | break ; |
1244 | case AliPHOSFastRecParticle::kGAMMAHA: | |
ed4205d8 | 1245 | if(primaryType == 22){ //photon |
1246 | fhPhotGaHa->Fill(CorrectEnergy(recParticle->Energy()) ) ; | |
2ab0c725 | 1247 | fhPPSDEnergy->Fill(gAlice->Particle(closestPrimary)->Energy(), recParticle->Energy() ) ; |
1248 | fhPPSDPosition->Fill(gAlice->Particle(closestPrimary)->Energy(),minDistance) ; | |
ed4205d8 | 1249 | fhPhotPPSD->Fill(CorrectEnergy(recParticle->Energy()) ) ; |
fc879520 | 1250 | } |
ed4205d8 | 1251 | if(primaryType == 2112){ //neutron |
1252 | fhNPPSD->Fill(CorrectEnergy(recParticle->Energy()) ) ; | |
fc879520 | 1253 | } |
69183710 | 1254 | |
ed4205d8 | 1255 | if(primaryType == -2112){ //neutron ~ |
1256 | fhNBarPPSD->Fill(CorrectEnergy(recParticle->Energy()) ) ; | |
fc879520 | 1257 | } |
ed4205d8 | 1258 | if(primaryCode == 2){ |
1259 | fhChargedPPSD->Fill(CorrectEnergy(recParticle->Energy()) ) ; | |
fc879520 | 1260 | } |
69183710 | 1261 | |
ed4205d8 | 1262 | fhAllPPSD->Fill(CorrectEnergy(recParticle->Energy()) ) ; |
1263 | fhVeto->Fill(CorrectEnergy(recParticle->Energy()) ) ; | |
1264 | fhPPSD->Fill(CorrectEnergy(recParticle->Energy()) ) ; | |
1265 | counter[5][primaryCode]++ ; | |
fc879520 | 1266 | break ; |
69183710 | 1267 | case AliPHOSFastRecParticle::kABSURDEM: |
ed4205d8 | 1268 | counter[6][primaryCode]++ ; |
1269 | fhShape->Fill(CorrectEnergy(recParticle->Energy()) ) ; | |
69183710 | 1270 | break; |
1271 | case AliPHOSFastRecParticle::kABSURDHA: | |
ed4205d8 | 1272 | counter[7][primaryCode]++ ; |
69183710 | 1273 | break; |
1274 | default: | |
ed4205d8 | 1275 | counter[8][primaryCode]++ ; |
69183710 | 1276 | break; |
1277 | } | |
1278 | } | |
fc879520 | 1279 | } |
1280 | } // endfor | |
46b146ca | 1281 | SaveHistograms(); |
fc879520 | 1282 | cout << "Resolutions: Analyzed " << Nevents << " event(s)" << endl ; |
ed4205d8 | 1283 | cout << "Resolutions: Total primary " << totalPrimary << endl ; |
1284 | cout << "Resoluitons: Total reconstracted " << totalRecPart << endl ; | |
1285 | cout << "TotalReconstructed with Primarie " << totalRPwithPrim << endl ; | |
fc879520 | 1286 | cout << " Primary: Photon Electron Ch. Hadr. Neutr. Hadr Kaons" << endl ; |
ed4205d8 | 1287 | cout << " Detected as photon " << counter[0][0] << " " << counter[0][1] << " " << counter[0][2] << " " <<counter[0][3] << " " << counter[0][4] << endl ; |
1288 | cout << " Detected as electron " << counter[1][0] << " " << counter[1][1] << " " << counter[1][2] << " " <<counter[1][3] << " " << counter[1][4] << endl ; | |
1289 | cout << " Detected as neutral hadron " << counter[2][0] << " " << counter[2][1] << " " << counter[2][2] << " " <<counter[2][3] << " " << counter[2][4] << endl ; | |
1290 | cout << " Detected as neutral EM " << counter[3][0] << " " << counter[3][1] << " " << counter[3][2] << " " <<counter[3][3] << " " << counter[3][4] << endl ; | |
1291 | cout << " Detected as charged hadron " << counter[4][0] << " " << counter[4][1] << " " << counter[4][2] << " " <<counter[4][3] << " " << counter[4][4] << endl ; | |
1292 | cout << " Detected as gamma-hadron " << counter[5][0] << " " << counter[5][1] << " " << counter[5][2] << " " <<counter[5][3] << " " << counter[5][4] << endl ; | |
1293 | cout << " Detected as Absurd EM " << counter[6][0] << " " << counter[6][1] << " " << counter[6][2] << " " <<counter[6][3] << " " << counter[6][4] << endl ; | |
1294 | cout << " Detected as absurd hadron " << counter[7][0] << " " << counter[7][1] << " " << counter[7][2] << " " <<counter[7][3] << " " << counter[7][4] << endl ; | |
1295 | cout << " Detected as undefined " << counter[8][0] << " " << counter[8][1] << " " << counter[8][2] << " " <<counter[8][3] << " " << counter[8][4] << endl ; | |
fc879520 | 1296 | |
1297 | for(i1 = 0; i1<9; i1++) | |
1298 | for(i2 = 0; i2<5; i2++) | |
ed4205d8 | 1299 | totalInd+=counter[i1][i2] ; |
1300 | cout << "Indentified particles " << totalInd << endl ; | |
fc879520 | 1301 | |
92862013 | 1302 | } // endfunction |
1303 | ||
1304 | ||
1305 | //____________________________________________________________________________ | |
1306 | void AliPHOSAnalyze::BookingHistograms() | |
1307 | { | |
b2a60966 | 1308 | // Books the histograms where the results of the analysis are stored (to be changed) |
1309 | ||
eecb6765 | 1310 | delete fhEmcDigit ; |
1311 | delete fhVetoDigit ; | |
1312 | delete fhConvertorDigit ; | |
1313 | delete fhEmcCluster ; | |
1314 | delete fhVetoCluster ; | |
1315 | delete fhConvertorCluster ; | |
1316 | delete fhConvertorEmc ; | |
1317 | ||
46b146ca | 1318 | fhEmcDigit = new TH1F("hEmcDigit", "hEmcDigit", 1000, 0. , 25.); |
1319 | fhVetoDigit = new TH1F("hVetoDigit", "hVetoDigit", 500, 0. , 3.e-5); | |
1320 | fhConvertorDigit = new TH1F("hConvertorDigit","hConvertorDigit", 500, 0. , 3.e-5); | |
1321 | fhEmcCluster = new TH1F("hEmcCluster", "hEmcCluster", 1000, 0. , 30.); | |
1322 | fhVetoCluster = new TH1F("hVetoCluster", "hVetoCluster", 500, 0. , 3.e-5); | |
1323 | fhConvertorCluster = new TH1F("hConvertorCluster","hConvertorCluster",500, 0. , 3.e-5); | |
1324 | fhConvertorEmc = new TH2F("hConvertorEmc", "hConvertorEmc", 200, 1. , 3., 200, 0., 3.e-5); | |
92862013 | 1325 | |
134ce69a | 1326 | } |
1327 | //____________________________________________________________________________ | |
1328 | void AliPHOSAnalyze::BookResolutionHistograms() | |
1329 | { | |
1330 | // Books the histograms where the results of the Resolution analysis are stored | |
1331 | ||
69183710 | 1332 | // if(fhAllEnergy) |
1333 | // delete fhAllEnergy ; | |
1334 | // if(fhPhotEnergy) | |
1335 | // delete fhPhotEnergy ; | |
1336 | // if(fhEMEnergy) | |
1337 | // delete fhEMEnergy ; | |
1338 | // if(fhPPSDEnergy) | |
1339 | // delete fhPPSDEnergy ; | |
1340 | ||
1341 | ||
1342 | fhAllEnergy = new TH2F("hAllEnergy", "Energy of any RP with primary photon",100, 0., 5., 100, 0., 5.); | |
1343 | fhPhotEnergy = new TH2F("hPhotEnergy", "Energy of kGAMMA with primary photon",100, 0., 5., 100, 0., 5.); | |
1344 | fhEMEnergy = new TH2F("hEMEnergy", "Energy of EM with primary photon", 100, 0., 5., 100, 0., 5.); | |
1345 | fhPPSDEnergy = new TH2F("hPPSDEnergy", "Energy of PPSD with primary photon", 100, 0., 5., 100, 0., 5.); | |
1346 | ||
1347 | // if(fhAllPosition) | |
1348 | // delete fhAllPosition ; | |
1349 | // if(fhPhotPosition) | |
1350 | // delete fhPhotPosition ; | |
1351 | // if(fhEMPosition) | |
1352 | // delete fhEMPosition ; | |
1353 | // if(fhPPSDPosition) | |
1354 | // delete fhPPSDPosition ; | |
1355 | ||
1356 | ||
1357 | fhAllPosition = new TH2F("hAllPosition", "Position of any RP with primary photon",100, 0., 5., 100, 0., 5.); | |
1358 | fhPhotPosition = new TH2F("hPhotPosition", "Position of kGAMMA with primary photon",100, 0., 5., 100, 0., 5.); | |
1359 | fhEMPosition = new TH2F("hEMPosition", "Position of EM with primary photon", 100, 0., 5., 100, 0., 5.); | |
1360 | fhPPSDPosition = new TH2F("hPPSDPosition", "Position of PPSD with primary photon", 100, 0., 5., 100, 0., 5.); | |
1361 | ||
ed4205d8 | 1362 | fhAllPositionX = new TH1F("hAllPositionX", "#Delta X of any RP with primary photon",100, -2., 2.); |
1363 | fhAllPositionZ = new TH1F("hAllPositionZ", "#Delta X of any RP with primary photon",100, -2., 2.); | |
1364 | ||
69183710 | 1365 | // if(fhAllReg) |
1366 | // delete fhAllReg ; | |
1367 | // if(fhPhotReg) | |
1368 | // delete fhPhotReg ; | |
1369 | // if(fhNReg) | |
1370 | // delete fhNReg ; | |
1371 | // if(fhNBarReg) | |
1372 | // delete fhNBarReg ; | |
1373 | // if(fhChargedReg) | |
1374 | // delete fhChargedReg ; | |
46b146ca | 1375 | |
69183710 | 1376 | fhAllReg = new TH1F("hAllReg", "All primaries registered as photon", 100, 0., 5.); |
1377 | fhPhotReg = new TH1F("hPhotReg", "Photon registered as photon", 100, 0., 5.); | |
1378 | fhNReg = new TH1F("hNReg", "N registered as photon", 100, 0., 5.); | |
1379 | fhNBarReg = new TH1F("hNBarReg", "NBar registered as photon", 100, 0., 5.); | |
1380 | fhChargedReg= new TH1F("hChargedReg", "Charged hadron registered as photon",100, 0., 5.); | |
46b146ca | 1381 | |
69183710 | 1382 | // if(fhAllEM) |
1383 | // delete fhAllEM ; | |
1384 | // if(fhPhotEM) | |
1385 | // delete fhPhotEM ; | |
1386 | // if(fhNEM) | |
1387 | // delete fhNEM ; | |
1388 | // if(fhNBarEM) | |
1389 | // delete fhNBarEM ; | |
1390 | // if(fhChargedEM) | |
1391 | // delete fhChargedEM ; | |
46b146ca | 1392 | |
69183710 | 1393 | fhAllEM = new TH1F("hAllEM", "All primary registered as EM",100, 0., 5.); |
1394 | fhPhotEM = new TH1F("hPhotEM", "Photon registered as EM", 100, 0., 5.); | |
1395 | fhNEM = new TH1F("hNEM", "N registered as EM", 100, 0., 5.); | |
1396 | fhNBarEM = new TH1F("hNBarEM", "NBar registered as EM", 100, 0., 5.); | |
1397 | fhChargedEM= new TH1F("hChargedEM","Charged registered as EM",100, 0., 5.); | |
1398 | ||
1399 | // if(fhAllPPSD) | |
1400 | // delete fhAllPPSD ; | |
1401 | // if(fhPhotPPSD) | |
1402 | // delete fhPhotPPSD ; | |
1403 | // if(fhNPPSD) | |
1404 | // delete fhNPPSD ; | |
1405 | // if(fhNBarPPSD) | |
1406 | // delete fhNBarPPSD ; | |
1407 | // if(fhChargedPPSD) | |
1408 | // delete fhChargedPPSD ; | |
46b146ca | 1409 | |
69183710 | 1410 | fhAllPPSD = new TH1F("hAllPPSD", "All primary registered as PPSD",100, 0., 5.); |
1411 | fhPhotPPSD = new TH1F("hPhotPPSD", "Photon registered as PPSD", 100, 0., 5.); | |
1412 | fhNPPSD = new TH1F("hNPPSD", "N registered as PPSD", 100, 0., 5.); | |
1413 | fhNBarPPSD = new TH1F("hNBarPPSD", "NBar registered as PPSD", 100, 0., 5.); | |
1414 | fhChargedPPSD= new TH1F("hChargedPPSD","Charged registered as PPSD",100, 0., 5.); | |
1415 | ||
1416 | // if(fhPrimary) | |
1417 | // delete fhPrimary ; | |
1418 | fhPrimary= new TH1F("hPrimary", "hPrimary", 100, 0., 5.); | |
1419 | ||
1420 | // if(fhAllRP) | |
1421 | // delete fhAllRP ; | |
1422 | // if(fhVeto) | |
1423 | // delete fhVeto ; | |
1424 | // if(fhShape) | |
1425 | // delete fhShape ; | |
1426 | // if(fhPPSD) | |
1427 | // delete fhPPSD ; | |
1428 | ||
1429 | fhAllRP = new TH1F("hAllRP","All Reconstructed particles", 100, 0., 5.); | |
1430 | fhVeto = new TH1F("hVeto", "All uncharged particles", 100, 0., 5.); | |
1431 | fhShape = new TH1F("hShape","All particles with EM shaower",100, 0., 5.); | |
1432 | fhPPSD = new TH1F("hPPSD", "All PPSD photon particles", 100, 0., 5.); | |
1433 | ||
1434 | ||
1435 | // if(fhPhotPhot) | |
1436 | // delete fhPhotPhot ; | |
1437 | // if(fhPhotElec) | |
1438 | // delete fhPhotElec ; | |
1439 | // if(fhPhotNeuH) | |
1440 | // delete fhPhotNeuH ; | |
1441 | // if(fhPhotNuEM) | |
1442 | // delete fhPhotNuEM ; | |
1443 | // if(fhPhotChHa) | |
1444 | // delete fhPhotChHa ; | |
1445 | // if(fhPhotGaHa) | |
1446 | // delete fhPhotGaHa ; | |
1447 | ||
1448 | fhPhotPhot = new TH1F("hPhotPhot","hPhotPhot", 100, 0., 5.); //Photon registered as photon | |
1449 | fhPhotElec = new TH1F("hPhotElec","hPhotElec", 100, 0., 5.); //Photon registered as Electron | |
1450 | fhPhotNeuH = new TH1F("hPhotNeuH","hPhotNeuH", 100, 0., 5.); //Photon registered as Neutral Hadron | |
1451 | fhPhotNuEM = new TH1F("hPhotNuEM","hPhotNuEM", 100, 0., 5.); //Photon registered as Neutral EM | |
1452 | fhPhotChHa = new TH1F("hPhotChHa","hPhotChHa", 100, 0., 5.); //Photon registered as Charged Hadron | |
1453 | fhPhotGaHa = new TH1F("hPhotGaHa","hPhotGaHa", 100, 0., 5.); //Photon registered as Gamma-Hadron | |
92862013 | 1454 | } |
2aad621e | 1455 | |
6ad0bfa0 | 1456 | //____________________________________________________________________________ |
1457 | Bool_t AliPHOSAnalyze::OpenRootFile(Text_t * name) | |
1458 | { | |
b2a60966 | 1459 | // Open the root file named "name" |
1460 | ||
1461 | fRootFile = new TFile(name, "update") ; | |
6ad0bfa0 | 1462 | return fRootFile->IsOpen() ; |
1463 | } | |
ed4205d8 | 1464 | |
92862013 | 1465 | //____________________________________________________________________________ |
46b146ca | 1466 | void AliPHOSAnalyze::SaveHistograms() |
134ce69a | 1467 | { |
1468 | // Saves the histograms in a root file named "name.analyzed" | |
1469 | ||
1470 | Text_t outputname[80] ; | |
1471 | sprintf(outputname,"%s.analyzed",fRootFile->GetName()); | |
1472 | TFile output(outputname,"RECREATE"); | |
1473 | output.cd(); | |
46b146ca | 1474 | |
69183710 | 1475 | if (fhAllEnergy) |
1476 | fhAllEnergy->Write() ; | |
1477 | if (fhPhotEnergy) | |
1478 | fhPhotEnergy->Write() ; | |
1479 | if(fhEMEnergy) | |
1480 | fhEMEnergy->Write() ; | |
1481 | if(fhPPSDEnergy) | |
1482 | fhPPSDEnergy->Write() ; | |
1483 | if(fhAllPosition) | |
1484 | fhAllPosition->Write() ; | |
ed4205d8 | 1485 | if(fhAllPositionX) |
1486 | fhAllPositionX->Write() ; | |
1487 | if(fhAllPositionZ) | |
1488 | fhAllPositionZ->Write() ; | |
69183710 | 1489 | if(fhPhotPosition) |
1490 | fhPhotPosition->Write() ; | |
1491 | if(fhEMPosition) | |
1492 | fhEMPosition->Write() ; | |
1493 | if(fhPPSDPosition) | |
1494 | fhPPSDPosition->Write() ; | |
fc879520 | 1495 | if (fhAllReg) |
1496 | fhAllReg->Write() ; | |
69183710 | 1497 | if (fhPhotReg) |
1498 | fhPhotReg->Write() ; | |
fc879520 | 1499 | if(fhNReg) |
1500 | fhNReg->Write() ; | |
1501 | if(fhNBarReg) | |
1502 | fhNBarReg->Write() ; | |
1503 | if(fhChargedReg) | |
1504 | fhChargedReg->Write() ; | |
fc879520 | 1505 | if (fhAllEM) |
1506 | fhAllEM->Write() ; | |
69183710 | 1507 | if (fhPhotEM) |
1508 | fhPhotEM->Write() ; | |
fc879520 | 1509 | if(fhNEM) |
1510 | fhNEM->Write() ; | |
1511 | if(fhNBarEM) | |
1512 | fhNBarEM->Write() ; | |
1513 | if(fhChargedEM) | |
1514 | fhChargedEM->Write() ; | |
69183710 | 1515 | if (fhAllPPSD) |
1516 | fhAllPPSD->Write() ; | |
1517 | if (fhPhotPPSD) | |
1518 | fhPhotPPSD->Write() ; | |
1519 | if(fhNPPSD) | |
1520 | fhNPPSD->Write() ; | |
1521 | if(fhNBarPPSD) | |
1522 | fhNBarPPSD->Write() ; | |
1523 | if(fhChargedPPSD) | |
1524 | fhChargedPPSD->Write() ; | |
fc879520 | 1525 | if(fhPrimary) |
1526 | fhPrimary->Write() ; | |
69183710 | 1527 | if(fhAllRP) |
1528 | fhAllRP->Write() ; | |
1529 | if(fhVeto) | |
1530 | fhVeto->Write() ; | |
1531 | if(fhShape) | |
1532 | fhShape->Write() ; | |
1533 | if(fhPPSD) | |
1534 | fhPPSD->Write() ; | |
fc879520 | 1535 | if(fhPhotPhot) |
1536 | fhPhotPhot->Write() ; | |
1537 | if(fhPhotElec) | |
1538 | fhPhotElec->Write() ; | |
1539 | if(fhPhotNeuH) | |
1540 | fhPhotNeuH->Write() ; | |
1541 | if(fhPhotNuEM) | |
1542 | fhPhotNuEM->Write() ; | |
1543 | if(fhPhotNuEM) | |
1544 | fhPhotNuEM->Write() ; | |
1545 | if(fhPhotChHa) | |
1546 | fhPhotChHa->Write() ; | |
1547 | if(fhPhotGaHa) | |
1548 | fhPhotGaHa->Write() ; | |
46b146ca | 1549 | if(fhEnergyCorrelations) |
1550 | fhEnergyCorrelations->Write() ; | |
1551 | ||
92862013 | 1552 | output.Write(); |
1553 | output.Close(); | |
1554 | } | |
69183710 | 1555 | //____________________________________________________________________________ |
1556 | Float_t AliPHOSAnalyze::CorrectEnergy(Float_t ERecPart) | |
1557 | { | |
1558 | return ERecPart/0.8783 ; | |
1559 | } | |
1560 | ||
46b146ca | 1561 | //____________________________________________________________________________ |
1562 | void AliPHOSAnalyze::ResetHistograms() | |
1563 | { | |
1564 | fhEnergyCorrelations = 0 ; //Energy correlations between Eloss in Convertor and PPSD(2) | |
1565 | ||
1566 | fhEmcDigit = 0 ; // Histo of digit energies in the Emc | |
1567 | fhVetoDigit = 0 ; // Histo of digit energies in the Veto | |
1568 | fhConvertorDigit = 0 ; // Histo of digit energies in the Convertor | |
1569 | fhEmcCluster = 0 ; // Histo of Cluster energies in Emc | |
1570 | fhVetoCluster = 0 ; // Histo of Cluster energies in Veto | |
1571 | fhConvertorCluster = 0 ; // Histo of Cluster energies in Convertor | |
1572 | fhConvertorEmc = 0 ; // 2d Convertor versus Emc energies | |
1573 | ||
69183710 | 1574 | fhAllEnergy = 0 ; |
1575 | fhPhotEnergy = 0 ; // Total spectrum of detected photons | |
1576 | fhEMEnergy = 0 ; // Spectrum of detected electrons with electron primary | |
1577 | fhPPSDEnergy = 0 ; | |
1578 | fhAllPosition = 0 ; | |
ed4205d8 | 1579 | fhAllPositionX = 0 ; |
1580 | fhAllPositionZ = 0 ; | |
69183710 | 1581 | fhPhotPosition = 0 ; |
1582 | fhEMPosition = 0 ; | |
1583 | fhPPSDPosition = 0 ; | |
1584 | ||
1585 | fhPhotReg = 0 ; | |
46b146ca | 1586 | fhAllReg = 0 ; |
1587 | fhNReg = 0 ; | |
1588 | fhNBarReg = 0 ; | |
1589 | fhChargedReg = 0 ; | |
69183710 | 1590 | fhPhotEM = 0 ; |
46b146ca | 1591 | fhAllEM = 0 ; |
1592 | fhNEM = 0 ; | |
1593 | fhNBarEM = 0 ; | |
1594 | fhChargedEM = 0 ; | |
69183710 | 1595 | fhPhotPPSD = 0 ; |
1596 | fhAllPPSD = 0 ; | |
1597 | fhNPPSD = 0 ; | |
1598 | fhNBarPPSD = 0 ; | |
1599 | fhChargedPPSD = 0 ; | |
1600 | ||
46b146ca | 1601 | fhPrimary = 0 ; |
1602 | ||
1603 | fhPhotPhot = 0 ; | |
1604 | fhPhotElec = 0 ; | |
1605 | fhPhotNeuH = 0 ; | |
1606 | fhPhotNuEM = 0 ; | |
1607 | fhPhotChHa = 0 ; | |
1608 | fhPhotGaHa = 0 ; | |
1609 | ||
46b146ca | 1610 | } |