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the MIXT geometry (IHEP+GPS2) has been introduced
[u/mrichter/AliRoot.git] / PHOS / AliPHOSAnalyze.cxx
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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
60ClassImp(AliPHOSAnalyze)
61
6ad0bfa0 62//____________________________________________________________________________
63 AliPHOSAnalyze::AliPHOSAnalyze()
64{
b2a60966 65 // default ctor (useless)
6ad0bfa0 66
67 fRootFile = 0 ;
68}
69
70//____________________________________________________________________________
71AliPHOSAnalyze::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//____________________________________________________________________________
102AliPHOSAnalyze::AliPHOSAnalyze(const AliPHOSAnalyze & ana)
103{
104 // copy ctor
105 ( (AliPHOSAnalyze &)ana ).Copy(*this) ;
106}
107
108//____________________________________________________________________________
191c1c41 109void 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//____________________________________________________________________________
117AliPHOSAnalyze::~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 131void 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() ;
b2a60966 150
ed4205d8 151 fClu->SetEmcEnergyThreshold(0.05) ;
152 fClu->SetEmcClusteringThreshold(0.20) ;
153 fClu->SetPpsdEnergyThreshold (0.0000002) ;
154 fClu->SetPpsdClusteringThreshold(0.0000001) ;
155 fClu->SetLocalMaxCut(0.03) ;
156 fClu->SetCalibrationParameters(0., 0.00000001) ;
83974468 157
ed4205d8 158 gAlice->GetEvent(Nevent);
159
160 TClonesArray * primaryList = gAlice->Particles();
161
162 TParticle * primary ;
163 Int_t iPrimary ;
164 for ( iPrimary = 0 ; iPrimary < primaryList->GetEntries() ; iPrimary++)
165 {
166 primary = (TParticle*)primaryList->At(iPrimary) ;
167 Int_t primaryType = primary->GetPdgCode() ;
168 if( (primaryType == 211)||(primaryType == -211)||(primaryType == 2212)||(primaryType == -2212) ) {
169 Int_t moduleNumber ;
170 Double_t primX, primZ ;
171 fGeom->ImpactOnEmc(primary->Theta(), primary->Phi(), moduleNumber, primX, primZ) ;
172 if(moduleNumber==Nmod)
173 charg->Fill(primZ,primX,primary->Energy()) ;
174 }
175 if( primaryType == 22 ) {
176 Int_t moduleNumber ;
177 Double_t primX, primZ ;
178 fGeom->ImpactOnEmc(primary->Theta(), primary->Phi(), moduleNumber, primX, primZ) ;
179 if(moduleNumber==Nmod)
180 phot->Fill(primZ,primX,primary->Energy()) ;
181 }
182 else{
183 if( primaryType == -2112 ) {
184 Int_t moduleNumber ;
185 Double_t primX, primZ ;
186 fGeom->ImpactOnEmc(primary->Theta(), primary->Phi(), moduleNumber, primX, primZ) ;
187 if(moduleNumber==Nmod)
188 nbar->Fill(primZ,primX,primary->Energy()) ;
189 }
190 }
191 }
69183710 192
ed4205d8 193 fPHOS->SetTreeAddress() ;
92862013 194
ed4205d8 195 gAlice->TreeD()->GetEvent(0) ;
196 gAlice->TreeR()->GetEvent(0) ;
197
198 TObjArray ** emcRecPoints = fPHOS->EmcRecPoints() ;
199 TObjArray ** ppsdRecPoints = fPHOS->PpsdRecPoints() ;
200 TClonesArray ** recParticleList = fPHOS->RecParticles() ;
201
202 Int_t iDigit ;
203 AliPHOSDigit * digit ;
204
205 for(iDigit = 0; iDigit < fPHOS->Digits()->GetEntries(); iDigit++)
92862013 206 {
ed4205d8 207 digit = (AliPHOSDigit *) fPHOS->Digits()->At(iDigit) ;
208 Int_t relid[4];
209 fGeom->AbsToRelNumbering(digit->GetId(), relid) ;
210 Float_t x,z ;
211 fGeom->RelPosInModule(relid,x,z) ;
212 Float_t e = fClu->Calibrate(digit->GetAmp()) ;
213 if(relid[0]==Nmod){
214 if(relid[1]==0) //EMC
215 digitOccupancy->Fill(x,z,e) ;
216 if((relid[1]>0)&&(relid[1]<17))
217 ppsdUp->Fill(x,z,e) ;
218 if(relid[1]>16)
219 ppsdLow->Fill(x,z,e) ;
220 }
221 }
222
223 Int_t irecp ;
224 TVector3 pos ;
225
226 for(irecp = 0; irecp < (*emcRecPoints)->GetEntries() ; irecp ++){
227 AliPHOSEmcRecPoint * emc= (AliPHOSEmcRecPoint*)(*emcRecPoints)->At(irecp) ;
228 if(emc->GetPHOSMod()==Nmod){
229 emc->GetLocalPosition(pos) ;
230 emcOccupancy->Fill(pos.X(),pos.Z(),emc->GetEnergy());
231 }
232 }
233
234 for(irecp = 0; irecp < (*ppsdRecPoints)->GetEntries() ; irecp ++){
235 AliPHOSPpsdRecPoint * ppsd= (AliPHOSPpsdRecPoint *)(*ppsdRecPoints)->At(irecp) ;
236 if(ppsd->GetPHOSMod()==Nmod){
237 ppsd->GetLocalPosition(pos) ;
238 if(ppsd->GetUp())
239 ppsdUpCl->Fill(pos.X(),pos.Z(),ppsd->GetEnergy());
240 else
241 ppsdLowCl->Fill(pos.X(),pos.Z(),ppsd->GetEnergy());
242 }
243 }
244
245 AliPHOSRecParticle * recParticle ;
246 Int_t iRecParticle ;
247 for(iRecParticle = 0; iRecParticle < (*recParticleList)->GetEntries() ;iRecParticle++ )
248 {
249 recParticle = (AliPHOSRecParticle *) (*recParticleList)->At(iRecParticle) ;
250
251 Int_t moduleNumberRec ;
252 Double_t recX, recZ ;
253 fGeom->ImpactOnEmc(recParticle->Theta(), recParticle->Phi(), moduleNumberRec, recX, recZ) ;
254 if(moduleNumberRec == Nmod){
255
256 Double_t minDistance = 5. ;
257 Int_t closestPrimary = -1 ;
258
259 Int_t numberofprimaries ;
260 Int_t * listofprimaries = recParticle->GetPrimaries(numberofprimaries) ;
261 Int_t index ;
262 TParticle * primary ;
263 Double_t distance = minDistance ;
11e586af 264
ed4205d8 265 for ( index = 0 ; index < numberofprimaries ; index++){
266 primary = (TParticle*)primaryList->At(listofprimaries[index]) ;
267 Int_t moduleNumber ;
268 Double_t primX, primZ ;
269 fGeom->ImpactOnEmc(primary->Theta(), primary->Phi(), moduleNumber, primX, primZ) ;
270 if(moduleNumberRec == moduleNumber)
271 distance = TMath::Sqrt((recX-primX)*(recX-primX)+(recZ-primZ)*(recZ-primZ) ) ;
272 if(minDistance > distance)
46b146ca 273 {
ed4205d8 274 minDistance = distance ;
275 closestPrimary = listofprimaries[index] ;
46b146ca 276 }
ed4205d8 277 }
278
279 if(closestPrimary >=0 ){
280
281 Int_t primaryType = ((TParticle *)primaryList->At(closestPrimary))->GetPdgCode() ;
282
283 if(primaryType==22)
284 recPhot->Fill(recZ,recX,recParticle->Energy()) ;
285 else
286 if(primaryType==-2112)
287 recNbar->Fill(recZ,recX,recParticle->Energy()) ;
288 }
289 }
290 }
291
292
293 digitOccupancy->Draw("box") ;
294 emcOccupancy->SetLineColor(2) ;
295 emcOccupancy->Draw("boxsame") ;
296 ppsdUp->SetLineColor(3) ;
297 ppsdUp->Draw("boxsame") ;
298 ppsdLow->SetLineColor(4) ;
299 ppsdLow->Draw("boxsame") ;
300 phot->SetLineColor(8) ;
301 phot->Draw("boxsame") ;
302 nbar->SetLineColor(6) ;
303 nbar->Draw("boxsame") ;
304
305}
134ce69a 306//____________________________________________________________________________
ed4205d8 307 void AliPHOSAnalyze::Reconstruct(Int_t nevents,Int_t firstEvent )
c3b9b3f9 308{
134ce69a 309
ed4205d8 310 // Performs reconstruction of EMC and CPV (GPS2, IHEP or MIXT)
a3dfe79c 311 // for events from FirstEvent to Nevents
2bed9e3e 312
313 Int_t ievent ;
ed4205d8 314 for ( ievent=firstEvent; ievent<nevents; ievent++) {
315 if (ievent==firstEvent) {
2bed9e3e 316 cout << "Analyze > Starting Reconstructing " << endl ;
317 //========== Create the Clusterizer
318 fClu = new AliPHOSClusterizerv1() ;
319 fClu->SetEmcEnergyThreshold(0.05) ;
320 fClu->SetEmcClusteringThreshold(0.20) ;
321 fClu->SetLocalMaxCut(0.03) ;
ed4205d8 322 if (strcmp(fGeom->GetName(),"GPS2") == 0 || strcmp(fGeom->GetName(),"MIXT") == 0) {
2bed9e3e 323 fClu->SetPpsdEnergyThreshold (0.0000002) ;
324 fClu->SetPpsdClusteringThreshold(0.0000001) ;
325 }
ed4205d8 326 else if (strcmp(fGeom->GetName(),"IHEP") == 0 || strcmp(fGeom->GetName(),"MIXT") == 0) {
2bed9e3e 327 fClu->SetLocalMaxCutCPV(0.03) ;
328 fClu->SetLogWeightCutCPV(4.0) ;
ed4205d8 329 fClu->SetCpvEnergyThreshold(0.09) ;
2bed9e3e 330 }
331 fClu->SetCalibrationParameters(0., 0.00000001) ;
fc879520 332
2bed9e3e 333 //========== Creates the track segment maker
334 fTrs = new AliPHOSTrackSegmentMakerv1() ;
335 // fTrs->UnsetUnfoldFlag() ;
336
337 //========== Creates the particle identifier for GPS2 only
ed4205d8 338 if (strcmp(fGeom->GetName(),"GPS2") == 0 || strcmp(fGeom->GetName(),"MIXT") == 0) {
2bed9e3e 339 fPID = new AliPHOSPIDv1() ;
340 fPID->SetShowerProfileCuts(0.3, 1.8, 0.3, 1.8 ) ;
341 }
fc879520 342
2bed9e3e 343 //========== Creates the Reconstructioner
344 fRec = new AliPHOSReconstructioner(fClu, fTrs, fPID) ;
345 if (fDebugLevel != 0) fRec -> SetDebugReconstruction(kTRUE);
346 }
347
348 if (fDebugLevel != 0 ||
349 (ievent+1) % (Int_t)TMath::Power( 10, (Int_t)TMath::Log10(ievent+1) ) == 0)
350 cout << "======= Analyze ======> Event " << ievent+1 << endl ;
351
352 //=========== Connects the various Tree's for evt
ed4205d8 353 Int_t tracks = gAlice->GetEvent(ievent);
354
355 fPHOS->Hit2Digit(tracks) ;
356
2bed9e3e 357 //=========== Do the reconstruction
ed4205d8 358 fPHOS->Reconstruction(fRec);
134ce69a 359
ed4205d8 360 }
361
2bed9e3e 362 if(fClu) {delete fClu ; fClu =0 ;}
363 if(fPID) {delete fPID ; fPID =0 ;}
364 if(fRec) {delete fRec ; fRec =0 ;}
365 if(fTrs) {delete fTrs ; fTrs =0 ;}
366
367}
368
369//-------------------------------------------------------------------------------------
8c0cd6e9 370void AliPHOSAnalyze::ReadAndPrintCPV(Int_t EvFirst, Int_t EvLast)
2bed9e3e 371{
372 //
373 // Read and print generated and reconstructed hits in CPV
8c0cd6e9 374 // for events from EvFirst to Nevent.
375 // If only EvFirst is defined, print only this one event.
2bed9e3e 376 // Author: Yuri Kharlov
377 // 12 October 2000
378 //
379
8c0cd6e9 380 if (EvFirst!=0 && EvLast==0) EvLast=EvFirst;
381 for ( Int_t ievent=EvFirst; ievent<=EvLast; ievent++) {
382
383 //========== Event Number>
2bed9e3e 384 cout << endl << "==== ReadAndPrintCPV ====> Event is " << ievent+1 << endl ;
385
386 //=========== Connects the various Tree's for evt
a3dfe79c 387 Int_t ntracks = gAlice->GetEvent(ievent);
2bed9e3e 388
2bed9e3e 389 //========== Creating branches ===================================
a3dfe79c 390 AliPHOSRecPoint::RecPointsList ** emcRecPoints = fPHOS->EmcRecPoints() ;
391 gAlice->TreeR()->SetBranchAddress( "PHOSEmcRP" , emcRecPoints ) ;
2bed9e3e 392
b73f246d 393 AliPHOSRecPoint::RecPointsList ** cpvRecPoints = fPHOS->CpvRecPoints() ;
394 gAlice->TreeR()->SetBranchAddress( "PHOSCpvRP", cpvRecPoints ) ;
2bed9e3e 395
396 // Read and print CPV hits
a3dfe79c 397
8c0cd6e9 398 AliPHOSCPVModule cpvModule;
399 TClonesArray *cpvHits;
400 Int_t nCPVhits;
401 AliPHOSCPVHit *cpvHit;
402 TLorentzVector p;
403 Float_t xgen, zgen;
404 Int_t ipart;
405 Int_t nGenHits = 0;
a3dfe79c 406 for (Int_t itrack=0; itrack<ntracks; itrack++) {
407 //=========== Get the Hits Tree for the Primary track itrack
408 gAlice->ResetHits();
409 gAlice->TreeH()->GetEvent(itrack);
5184b3f8 410 Int_t iModule = 0 ;
b73f246d 411 for (iModule=0; iModule < fGeom->GetNCPVModules(); iModule++) {
8c0cd6e9 412 cpvModule = fPHOS->GetCPVModule(iModule);
a3dfe79c 413 cpvHits = cpvModule.Hits();
8c0cd6e9 414 nCPVhits = cpvHits->GetEntriesFast();
a3dfe79c 415 for (Int_t ihit=0; ihit<nCPVhits; ihit++) {
8c0cd6e9 416 nGenHits++;
417 cpvHit = (AliPHOSCPVHit*)cpvHits->UncheckedAt(ihit);
418 p = cpvHit->GetMomentum();
d1b50469 419 xgen = cpvHit->X();
420 zgen = cpvHit->Y();
8c0cd6e9 421 ipart = cpvHit->GetIpart();
a3dfe79c 422 printf("CPV hit in module %d: ",iModule+1);
423 printf(" p = (%f, %f, %f, %f) GeV,\n",
424 p.Px(),p.Py(),p.Pz(),p.Energy());
8c0cd6e9 425 printf(" (X,Z) = (%8.4f, %8.4f) cm, ipart = %d\n",
a3dfe79c 426 xgen,zgen,ipart);
427 }
2bed9e3e 428 }
429 }
430
431 // Read and print CPV reconstructed points
432
a3dfe79c 433 //=========== Gets the Reconstruction TTree
434 gAlice->TreeR()->GetEvent(0) ;
b73f246d 435 printf("Recpoints: %d\n",(*fPHOS->CpvRecPoints())->GetEntries());
436 TIter nextRP(*fPHOS->CpvRecPoints() ) ;
437 AliPHOSCpvRecPoint *cpvRecPoint ;
8c0cd6e9 438 Int_t nRecPoints = 0;
b73f246d 439 while( ( cpvRecPoint = (AliPHOSCpvRecPoint *)nextRP() ) ) {
8c0cd6e9 440 nRecPoints++;
2bed9e3e 441 TVector3 locpos;
442 cpvRecPoint->GetLocalPosition(locpos);
a3dfe79c 443 Int_t phosModule = cpvRecPoint->GetPHOSMod();
8c0cd6e9 444 printf("CPV recpoint in module %d: (X,Z) = (%f,%f) cm\n",
445 phosModule,locpos.X(),locpos.Z());
2bed9e3e 446 }
8c0cd6e9 447 printf("This event has %d generated hits and %d reconstructed points\n",
448 nGenHits,nRecPoints);
2bed9e3e 449 }
450}
134ce69a 451
2bed9e3e 452//____________________________________________________________________________
453void AliPHOSAnalyze::AnalyzeCPV(Int_t Nevents)
454{
455 //
456 // Analyzes CPV characteristics
457 // Author: Yuri Kharlov
458 // 9 October 2000
459 //
460
461 // Book histograms
462
463 TH1F *hDx = new TH1F("hDx" ,"CPV x-resolution@reconstruction",100,-5. , 5.);
464 TH1F *hDz = new TH1F("hDz" ,"CPV z-resolution@reconstruction",100,-5. , 5.);
8c0cd6e9 465 TH1F *hDr = new TH1F("hDr" ,"CPV r-resolution@reconstruction",100, 0. , 5.);
2bed9e3e 466 TH1S *hNrp = new TH1S("hNrp" ,"CPV rec.point multiplicity", 21,-0.5,20.5);
467 TH1S *hNrpX = new TH1S("hNrpX","CPV rec.point Phi-length" , 21,-0.5,20.5);
468 TH1S *hNrpZ = new TH1S("hNrpZ","CPV rec.point Z-length" , 21,-0.5,20.5);
469
470 cout << "Start CPV Analysis"<< endl ;
471 for ( Int_t ievent=0; ievent<Nevents; ievent++) {
472
473 //========== Event Number>
8c0cd6e9 474// if ( (ievent+1) % (Int_t)TMath::Power( 10, (Int_t)TMath::Log10(ievent+1) ) == 0)
2bed9e3e 475 cout << endl << "==== AnalyzeCPV ====> Event is " << ievent+1 << endl ;
476
477 //=========== Connects the various Tree's for evt
8c0cd6e9 478 Int_t ntracks = gAlice->GetEvent(ievent);
2bed9e3e 479
480 //========== Creating branches ===================================
a3dfe79c 481 AliPHOSRecPoint::RecPointsList ** emcRecPoints = fPHOS->EmcRecPoints() ;
482 gAlice->TreeR()->SetBranchAddress( "PHOSEmcRP" , emcRecPoints ) ;
2bed9e3e 483
a3dfe79c 484 AliPHOSRecPoint::RecPointsList ** cpvRecPoints = fPHOS->PpsdRecPoints() ;
485 gAlice->TreeR()->SetBranchAddress( "PHOSPpsdRP", cpvRecPoints ) ;
8c0cd6e9 486
487 // Create and fill arrays of hits for each CPV module
488
489 Int_t nOfModules = fGeom->GetNModules();
77d4629b 490 TClonesArray **hitsPerModule = new TClonesArray *[nOfModules];
ed4205d8 491 Int_t iModule = 0;
84cf6d78 492 for (iModule=0; iModule < nOfModules; iModule++)
8c0cd6e9 493 hitsPerModule[iModule] = new TClonesArray("AliPHOSCPVHit",100);
494
495 AliPHOSCPVModule cpvModule;
496 TClonesArray *cpvHits;
497 Int_t nCPVhits;
498 AliPHOSCPVHit *cpvHit;
499 TLorentzVector p;
500 Float_t xzgen[2];
501 Int_t ipart;
502
503 // First go through all primary tracks and fill the arrays
504 // of hits per each CPV module
505
506 for (Int_t itrack=0; itrack<ntracks; itrack++) {
507 // Get the Hits Tree for the Primary track itrack
508 gAlice->ResetHits();
509 gAlice->TreeH()->GetEvent(itrack);
ed4205d8 510 for (Int_t iModule=0; iModule < nOfModules; iModule++) {
8c0cd6e9 511 cpvModule = fPHOS->GetCPVModule(iModule);
512 cpvHits = cpvModule.Hits();
513 nCPVhits = cpvHits->GetEntriesFast();
514 for (Int_t ihit=0; ihit<nCPVhits; ihit++) {
515 cpvHit = (AliPHOSCPVHit*)cpvHits->UncheckedAt(ihit);
516 p = cpvHit->GetMomentum();
d1b50469 517 xzgen[0] = cpvHit->X();
518 xzgen[1] = cpvHit->Y();
8c0cd6e9 519 ipart = cpvHit->GetIpart();
520 TClonesArray &lhits = *(TClonesArray *)hitsPerModule[iModule];
8c0cd6e9 521 new(lhits[hitsPerModule[iModule]->GetEntriesFast()]) AliPHOSCPVHit(*cpvHit);
522 }
523 cpvModule.Clear();
524 }
525 }
5184b3f8 526 for (iModule=0; iModule < nOfModules; iModule++) {
8c0cd6e9 527 Int_t nsum = hitsPerModule[iModule]->GetEntriesFast();
528 printf("Module %d has %d hits\n",iModule,nsum);
529 }
530
531 // Then go through reconstructed points and for each find
532 // the closeset hit
533 // The distance from the rec.point to the closest hit
534 // gives the coordinate resolution of the CPV
535
536 // Get the Reconstruction Tree
2bed9e3e 537 gAlice->TreeR()->GetEvent(0) ;
538 TIter nextRP(*fPHOS->PpsdRecPoints() ) ;
539 AliPHOSCpvRecPoint *cpvRecPoint ;
8c0cd6e9 540 Float_t xgen, zgen;
2bed9e3e 541 while( ( cpvRecPoint = (AliPHOSCpvRecPoint *)nextRP() ) ) {
542 TVector3 locpos;
543 cpvRecPoint->GetLocalPosition(locpos);
a3dfe79c 544 Int_t phosModule = cpvRecPoint->GetPHOSMod();
2bed9e3e 545 Int_t rpMult = cpvRecPoint->GetDigitsMultiplicity();
546 Int_t rpMultX, rpMultZ;
547 cpvRecPoint->GetClusterLengths(rpMultX,rpMultZ);
548 Float_t xrec = locpos.X();
549 Float_t zrec = locpos.Z();
550 Float_t dxmin = 1.e+10;
551 Float_t dzmin = 1.e+10;
8c0cd6e9 552 Float_t r2min = 1.e+10;
553 Float_t r2;
2bed9e3e 554
8c0cd6e9 555 cpvHits = hitsPerModule[phosModule-1];
a3dfe79c 556 Int_t nCPVhits = cpvHits->GetEntriesFast();
2bed9e3e 557 for (Int_t ihit=0; ihit<nCPVhits; ihit++) {
8c0cd6e9 558 cpvHit = (AliPHOSCPVHit*)cpvHits->UncheckedAt(ihit);
d1b50469 559 xgen = cpvHit->X();
560 zgen = cpvHit->Y();
8c0cd6e9 561 r2 = TMath::Power((xgen-xrec),2) + TMath::Power((zgen-zrec),2);
562 if ( r2 < r2min ) {
563 r2min = r2;
564 dxmin = xgen - xrec;
565 dzmin = zgen - zrec;
566 }
2bed9e3e 567 }
2bed9e3e 568 hDx ->Fill(dxmin);
569 hDz ->Fill(dzmin);
8c0cd6e9 570 hDr ->Fill(TMath::Sqrt(r2min));
2bed9e3e 571 hNrp ->Fill(rpMult);
572 hNrpX->Fill(rpMultX);
573 hNrpZ->Fill(rpMultZ);
fc879520 574 }
77d4629b 575 delete [] hitsPerModule;
2bed9e3e 576 }
577 // Save histograms
134ce69a 578
2bed9e3e 579 Text_t outputname[80] ;
580 sprintf(outputname,"%s.analyzed",fRootFile->GetName());
581 TFile output(outputname,"RECREATE");
582 output.cd();
583
584 hDx ->Write() ;
585 hDz ->Write() ;
8c0cd6e9 586 hDr ->Write() ;
2bed9e3e 587 hNrp ->Write() ;
588 hNrpX->Write() ;
589 hNrpZ->Write() ;
590
591 // Plot histograms
592
a3dfe79c 593 TCanvas *cpvCanvas = new TCanvas("CPV","CPV analysis",20,20,800,400);
2bed9e3e 594 gStyle->SetOptStat(111111);
595 gStyle->SetOptFit(1);
596 gStyle->SetOptDate(1);
a3dfe79c 597 cpvCanvas->Divide(3,2);
2bed9e3e 598
a3dfe79c 599 cpvCanvas->cd(1);
2bed9e3e 600 gPad->SetFillColor(10);
601 hNrp->SetFillColor(16);
602 hNrp->Draw();
603
a3dfe79c 604 cpvCanvas->cd(2);
2bed9e3e 605 gPad->SetFillColor(10);
606 hNrpX->SetFillColor(16);
607 hNrpX->Draw();
608
a3dfe79c 609 cpvCanvas->cd(3);
2bed9e3e 610 gPad->SetFillColor(10);
611 hNrpZ->SetFillColor(16);
612 hNrpZ->Draw();
613
a3dfe79c 614 cpvCanvas->cd(4);
2bed9e3e 615 gPad->SetFillColor(10);
616 hDx->SetFillColor(16);
617 hDx->Fit("gaus");
618 hDx->Draw();
619
a3dfe79c 620 cpvCanvas->cd(5);
2bed9e3e 621 gPad->SetFillColor(10);
622 hDz->SetFillColor(16);
623 hDz->Fit("gaus");
624 hDz->Draw();
625
8c0cd6e9 626 cpvCanvas->cd(6);
627 gPad->SetFillColor(10);
628 hDr->SetFillColor(16);
629 hDr->Draw();
630
a3dfe79c 631 cpvCanvas->Print("CPV.ps");
c3b9b3f9 632
c3b9b3f9 633}
2bed9e3e 634
c3b9b3f9 635//____________________________________________________________________________
69183710 636 void AliPHOSAnalyze::InvariantMass(Int_t Nevents )
c3b9b3f9 637{
69183710 638 // Calculates Real and Mixed invariant mass distributions
ed4205d8 639
1aa17254 640 const Int_t nMixedEvents = 4 ; //# of events used for calculation of 'mixed' distribution
ed4205d8 641 Int_t mixedLoops = (Int_t )TMath::Ceil(Nevents/nMixedEvents) ;
69183710 642
643 //========== Booking Histograms
644 TH2D * hRealEM = new TH2D("hRealEM", "Real for EM particles", 250,0.,1.,40,0.,4.) ;
645 TH2D * hRealPhot = new TH2D("hRealPhot", "Real for kPhoton particles", 250,0.,1.,40,0.,4.) ;
646 TH2D * hMixedEM = new TH2D("hMixedEM", "Mixed for EM particles", 250,0.,1.,40,0.,4.) ;
647 TH2D * hMixedPhot= new TH2D("hMixedPhot","Mixed for kPhoton particles",250,0.,1.,40,0.,4.) ;
648
649 Int_t ievent;
ed4205d8 650 Int_t eventInMixedLoop ;
69183710 651
333d1c21 652 Int_t nRecParticles[4];//nMixedEvents] ;
69183710 653
ed4205d8 654 AliPHOSRecParticle::RecParticlesList * allRecParticleList = new TClonesArray("AliPHOSRecParticle", nMixedEvents*1000) ;
69183710 655
ed4205d8 656 for(eventInMixedLoop = 0; eventInMixedLoop < mixedLoops; eventInMixedLoop++ ){
69183710 657 Int_t iRecPhot = 0 ;
c3b9b3f9 658
ed4205d8 659 for ( ievent=0; ievent < nMixedEvents; ievent++){
69183710 660
ed4205d8 661 Int_t absEventNumber = eventInMixedLoop*nMixedEvents + ievent ;
69183710 662
663 //=========== Connects the various Tree's for evt
ed4205d8 664 gAlice->GetEvent(absEventNumber);
665
69183710 666 //========== Creating branches ===================================
ed4205d8 667 fPHOS->SetTreeAddress() ;
69183710 668
ed4205d8 669 gAlice->TreeD()->GetEvent(0) ;
69183710 670 gAlice->TreeR()->GetEvent(0) ;
671
ed4205d8 672 TClonesArray ** recParticleList = fPHOS->RecParticles() ;
673
674
675 AliPHOSRecParticle * recParticle ;
69183710 676 Int_t iRecParticle ;
ed4205d8 677 for(iRecParticle = 0; iRecParticle < (*recParticleList)->GetEntries() ;iRecParticle++ )
69183710 678 {
ed4205d8 679 recParticle = (AliPHOSRecParticle *) (*recParticleList)->At(iRecParticle) ;
680 if((recParticle->GetType() == AliPHOSFastRecParticle::kGAMMA)||
681 (recParticle->GetType() == AliPHOSFastRecParticle::kNEUTRALEM)){
682 new( (*allRecParticleList)[iRecPhot] ) AliPHOSRecParticle(*recParticle) ;
69183710 683 iRecPhot++;
684 }
685 }
686
ed4205d8 687 nRecParticles[ievent] = iRecPhot-1 ;
c3b9b3f9 688 }
69183710 689
69183710 690 //Now calculate invariant mass:
691 Int_t irp1,irp2 ;
ed4205d8 692 Int_t nCurEvent = 0 ;
c3b9b3f9 693
ed4205d8 694 for(irp1 = 0; irp1 < allRecParticleList->GetEntries()-1; irp1++){
695 AliPHOSRecParticle * rp1 = (AliPHOSRecParticle *)allRecParticleList->At(irp1) ;
c3b9b3f9 696
ed4205d8 697 for(irp2 = irp1+1; irp2 < allRecParticleList->GetEntries(); irp2++){
698 AliPHOSRecParticle * rp2 = (AliPHOSRecParticle *)allRecParticleList->At(irp2) ;
69183710 699
ed4205d8 700 Double_t invMass ;
701 invMass = (rp1->Energy()+rp2->Energy())*(rp1->Energy()+rp2->Energy())-
69183710 702 (rp1->Px()+rp2->Px())*(rp1->Px()+rp2->Px())-
703 (rp1->Py()+rp2->Py())*(rp1->Py()+rp2->Py())-
704 (rp1->Pz()+rp2->Pz())*(rp1->Pz()+rp2->Pz()) ;
705
ed4205d8 706 if(invMass> 0)
707 invMass = TMath::Sqrt(invMass);
69183710 708
ed4205d8 709 Double_t pt ;
710 pt = TMath::Sqrt((rp1->Px()+rp2->Px() )*( rp1->Px()+rp2->Px() ) +(rp1->Py()+rp2->Py())*(rp1->Py()+rp2->Py()));
69183710 711
ed4205d8 712 if(irp1 > nRecParticles[nCurEvent])
713 nCurEvent++;
69183710 714
ed4205d8 715 if(irp2 <= nRecParticles[nCurEvent]){ //'Real' event
716 hRealEM->Fill(invMass,pt);
69183710 717 if((rp1->GetType() == AliPHOSFastRecParticle::kGAMMA)&&(rp2->GetType() == AliPHOSFastRecParticle::kGAMMA))
ed4205d8 718 hRealPhot->Fill(invMass,pt);
69183710 719 }
720 else{
ed4205d8 721 hMixedEM->Fill(invMass,pt);
69183710 722 if((rp1->GetType() == AliPHOSFastRecParticle::kGAMMA)&&(rp2->GetType() == AliPHOSFastRecParticle::kGAMMA))
ed4205d8 723 hMixedPhot->Fill(invMass,pt);
69183710 724 } //real-mixed
725
726 } //loop over second rp
727 }//loop over first rp
ed4205d8 728 allRecParticleList->Delete() ;
69183710 729 } //Loop over events
730
ed4205d8 731 delete allRecParticleList ;
69183710 732
733 //writing output
734 TFile output("invmass.root","RECREATE");
735 output.cd();
736
737 hRealEM->Write() ;
738 hRealPhot->Write() ;
739 hMixedEM->Write() ;
740 hMixedPhot->Write() ;
741
742 output.Write();
743 output.Close();
c3b9b3f9 744
745}
746
ed4205d8 747//____________________________________________________________________________
333d1c21 748 void AliPHOSAnalyze::ReadAndPrintEMC(Int_t EvFirst, Int_t EvLast)
ed4205d8 749{
750 //
751 // Read and print generated and reconstructed hits in EMC
752 // for events from EvFirst to Nevent.
753 // If only EvFirst is defined, print only this one event.
754 // Author: Yuri Kharlov
755 // 24 November 2000
756 //
757
758 if (EvFirst!=0 && EvLast==0) EvLast=EvFirst;
759 Int_t ievent;
760 for (ievent=EvFirst; ievent<=EvLast; ievent++) {
761
762 //========== Event Number>
763 cout << endl << "==== ReadAndPrintEMC ====> Event is " << ievent+1 << endl ;
764
765 //=========== Connects the various Tree's for evt
766 Int_t ntracks = gAlice->GetEvent(ievent);
767 fPHOS->SetTreeAddress() ;
768
769 gAlice->TreeD()->GetEvent(0) ;
770 gAlice->TreeR()->GetEvent(0) ;
771
772 // Loop over reconstructed particles
773
774 TClonesArray ** recParticleList = fPHOS->RecParticles() ;
775 AliPHOSRecParticle * recParticle ;
776 Int_t iRecParticle ;
777 Int_t *primList;
778 Int_t nPrimary;
779 for(iRecParticle = 0; iRecParticle < (*recParticleList)->GetEntries() ;iRecParticle++ ) {
780 recParticle = (AliPHOSRecParticle *) (*recParticleList)->At(iRecParticle) ;
781 Float_t recE = recParticle->Energy();
782 primList = recParticle->GetPrimaries(nPrimary);
783 Int_t moduleNumberRec ;
784 Double_t recX, recZ ;
785 fGeom->ImpactOnEmc(recParticle->Theta(), recParticle->Phi(), moduleNumberRec, recX, recZ) ;
786 printf("Rec point: module %d, (X,Z) = (%8.4f,%8.4f) cm, E = %.3f GeV, primary = %d\n",
787 moduleNumberRec,recX,recZ,recE,*primList);
788 }
789
790 // Read and print EMC hits from EMCn branches
791
792 AliPHOSCPVModule emcModule;
793 TClonesArray *emcHits;
794 Int_t nEMChits;
795 AliPHOSCPVHit *emcHit;
796 TLorentzVector p;
797 Float_t xgen, zgen;
798 Int_t ipart, primary;
799 Int_t nGenHits = 0;
800 for (Int_t itrack=0; itrack<ntracks; itrack++) {
801 //=========== Get the Hits Tree for the Primary track itrack
802 gAlice->ResetHits();
803 gAlice->TreeH()->GetEvent(itrack);
804 Int_t iModule = 0 ;
805 for (iModule=0; iModule < fGeom->GetNModules(); iModule++) {
806 emcModule = fPHOS->GetEMCModule(iModule);
807 emcHits = emcModule.Hits();
808 nEMChits = emcHits->GetEntriesFast();
809 for (Int_t ihit=0; ihit<nEMChits; ihit++) {
810 nGenHits++;
811 emcHit = (AliPHOSCPVHit*)emcHits->UncheckedAt(ihit);
812 p = emcHit->GetMomentum();
813 xgen = emcHit->X();
814 zgen = emcHit->Y();
815 ipart = emcHit->GetIpart();
816 primary= emcHit->GetTrack();
817 printf("EMC hit A: module %d, ",iModule+1);
818 printf(" p = (%f .4, %f .4, %f .4, %f .4) GeV,\n",
819 p.Px(),p.Py(),p.Pz(),p.Energy());
820 printf(" (X,Z) = (%8.4f, %8.4f) cm, ipart = %d, primary = %d\n",
821 xgen,zgen,ipart,primary);
822 }
823 }
824 }
825
826// // Read and print EMC hits from PHOS branch
827
828// for (Int_t itrack=0; itrack<ntracks; itrack++) {
829// //=========== Get the Hits Tree for the Primary track itrack
830// gAlice->ResetHits();
831// gAlice->TreeH()->GetEvent(itrack);
832// TClonesArray *hits = fPHOS->Hits();
833// AliPHOSHit *hit ;
834// Int_t ihit;
835// for ( ihit = 0 ; ihit < hits->GetEntries() ; ihit++ ) {
836// hit = (AliPHOSHit*)hits->At(ihit) ;
837// Float_t hitXYZ[3];
838// hitXYZ[0] = hit->X();
839// hitXYZ[1] = hit->Y();
840// hitXYZ[2] = hit->Z();
841// ipart = hit->GetPid();
842// primary = hit->GetPrimary();
843// Int_t absId = hit->GetId();
844// Int_t relId[4];
845// fGeom->AbsToRelNumbering(absId, relId) ;
846// Int_t module = relId[0];
847// if (relId[1]==0 && !(hitXYZ[0]==0 && hitXYZ[2]==0))
848// printf("EMC hit B: module %d, (X,Z) = (%8.4f, %8.4f) cm, ipart = %d, primary = %d\n",
849// module,hitXYZ[0],hitXYZ[2],ipart,primary);
850// }
851// }
852
853 }
854}
855
856//____________________________________________________________________________
857 void AliPHOSAnalyze::AnalyzeEMC(Int_t Nevents)
858{
859 //
860 // Read generated and reconstructed hits in EMC for Nevents events.
861 // Plots the coordinate and energy resolution histograms.
862 // Coordinate resolution is a difference between the reconstructed
863 // coordinate and the exact coordinate on the face of the PHOS
864 // Author: Yuri Kharlov
865 // 27 November 2000
866 //
867
868 // Book histograms
869
870 TH1F *hDx1 = new TH1F("hDx1" ,"EMC x-resolution", 100,-5. , 5.);
871 TH1F *hDz1 = new TH1F("hDz1" ,"EMC z-resolution", 100,-5. , 5.);
872 TH1F *hDE1 = new TH1F("hDE1" ,"EMC E-resolution", 100,-2. , 2.);
873
874 TH2F *hDx2 = new TH2F("hDx2" ,"EMC x-resolution", 100, 0., 10., 100,-5. , 5.);
875 TH2F *hDz2 = new TH2F("hDz2" ,"EMC z-resolution", 100, 0., 10., 100,-5. , 5.);
876 TH2F *hDE2 = new TH2F("hDE2" ,"EMC E-resolution", 100, 0., 10., 100, 0. , 5.);
877
878 cout << "Start EMC Analysis"<< endl ;
879 for (Int_t ievent=0; ievent<Nevents; ievent++) {
880
881 //========== Event Number>
882 if ( (ievent+1) % (Int_t)TMath::Power( 10, (Int_t)TMath::Log10(ievent+1) ) == 0)
883 cout << "==== AnalyzeEMC ====> Event is " << ievent+1 << endl ;
884
885 //=========== Connects the various Tree's for evt
886 Int_t ntracks = gAlice->GetEvent(ievent);
887
888 fPHOS->SetTreeAddress() ;
889
890 gAlice->TreeD()->GetEvent(0) ;
891 gAlice->TreeR()->GetEvent(0) ;
892
893 // Create and fill arrays of hits for each EMC module
894
895 Int_t nOfModules = fGeom->GetNModules();
896 TClonesArray **hitsPerModule = new TClonesArray *[nOfModules];
897 Int_t iModule;
898 for (iModule=0; iModule < nOfModules; iModule++)
899 hitsPerModule[iModule] = new TClonesArray("AliPHOSCPVHit",100);
900
901 AliPHOSCPVModule emcModule;
902 TClonesArray *emcHits;
903 Int_t nEMChits;
904 AliPHOSCPVHit *emcHit;
905
906 // First go through all primary tracks and fill the arrays
907 // of hits per each EMC module
908
909 for (Int_t itrack=0; itrack<ntracks; itrack++) {
910 // Get the Hits Tree for the Primary track itrack
911 gAlice->ResetHits();
912 gAlice->TreeH()->GetEvent(itrack);
913 for (Int_t iModule=0; iModule < nOfModules; iModule++) {
914 emcModule = fPHOS->GetEMCModule(iModule);
915 emcHits = emcModule.Hits();
916 nEMChits = emcHits->GetEntriesFast();
917 for (Int_t ihit=0; ihit<nEMChits; ihit++) {
918 emcHit = (AliPHOSCPVHit*)emcHits->UncheckedAt(ihit);
919 TClonesArray &lhits = *(TClonesArray *)hitsPerModule[iModule];
920 new(lhits[hitsPerModule[iModule]->GetEntriesFast()]) AliPHOSCPVHit(*emcHit);
921 }
922 emcModule.Clear();
923 }
924 }
925
926 // Loop over reconstructed particles
927
928 TClonesArray ** recParticleList = fPHOS->RecParticles() ;
929 AliPHOSRecParticle * recParticle ;
930 Int_t nEMCrecs = (*recParticleList)->GetEntries();
931 if (nEMCrecs == 1) {
932 recParticle = (AliPHOSRecParticle *) (*recParticleList)->At(0) ;
933 Float_t recE = recParticle->Energy();
934 Int_t phosModule;
935 Double_t recX, recZ ;
936 fGeom->ImpactOnEmc(recParticle->Theta(), recParticle->Phi(), phosModule, recX, recZ) ;
937
938 // for this rec.point take the hit list in the same PHOS module
939
940 emcHits = hitsPerModule[phosModule-1];
941 Int_t nEMChits = emcHits->GetEntriesFast();
942 if (nEMChits == 1) {
943 Float_t genX, genZ, genE;
944 for (Int_t ihit=0; ihit<nEMChits; ihit++) {
945 emcHit = (AliPHOSCPVHit*)emcHits->UncheckedAt(ihit);
946 genX = emcHit->X();
947 genZ = emcHit->Y();
948 genE = emcHit->GetMomentum().E();
949 }
950 Float_t dx = recX - genX;
951 Float_t dz = recZ - genZ;
952 Float_t de = recE - genE;
953 hDx1 ->Fill(dx);
954 hDz1 ->Fill(dz);
955 hDE1 ->Fill(de);
956 hDx2 ->Fill(genE,dx);
957 hDz2 ->Fill(genE,dz);
958 hDE2 ->Fill(genE,recE);
959 }
960 }
961 delete [] hitsPerModule;
962 }
963 // Save histograms
964
965 Text_t outputname[80] ;
966 sprintf(outputname,"%s.analyzed",fRootFile->GetName());
967 TFile output(outputname,"RECREATE");
968 output.cd();
969
970 hDx1 ->Write() ;
971 hDz1 ->Write() ;
972 hDE1 ->Write() ;
973 hDx2 ->Write() ;
974 hDz2 ->Write() ;
975 hDE2 ->Write() ;
976
977 // Plot histograms
978
979 TCanvas *emcCanvas = new TCanvas("EMC","EMC analysis",20,20,700,300);
980 gStyle->SetOptStat(111111);
981 gStyle->SetOptFit(1);
982 gStyle->SetOptDate(1);
983 emcCanvas->Divide(3,1);
984
985 emcCanvas->cd(1);
986 gPad->SetFillColor(10);
987 hDx1->SetFillColor(16);
988 hDx1->Draw();
989
990 emcCanvas->cd(2);
991 gPad->SetFillColor(10);
992 hDz1->SetFillColor(16);
993 hDz1->Draw();
994
995 emcCanvas->cd(3);
996 gPad->SetFillColor(10);
997 hDE1->SetFillColor(16);
998 hDE1->Draw();
999
1000 emcCanvas->Print("EMC.ps");
1001
1002}
1003
fc879520 1004//____________________________________________________________________________
1005 void AliPHOSAnalyze::AnalyzeResolutions(Int_t Nevents )
1006{
1007 // analyzes Nevents events and calculate Energy and Position resolution as well as
1008 // probaility of correct indentifiing of the incident particle
134ce69a 1009
fc879520 1010 //========== Booking Histograms
1011 cout << "AnalyzeResolutions > " << "Booking Histograms" << endl ;
1012 BookResolutionHistograms();
134ce69a 1013
ed4205d8 1014 Int_t counter[9][5] ;
1015 Int_t i1,i2,totalInd = 0 ;
fc879520 1016 for(i1 = 0; i1<9; i1++)
1017 for(i2 = 0; i2<5; i2++)
ed4205d8 1018 counter[i1][i2] = 0 ;
fc879520 1019
ed4205d8 1020 Int_t totalPrimary = 0 ;
1021 Int_t totalRecPart = 0 ;
1022 Int_t totalRPwithPrim = 0 ;
fc879520 1023 Int_t ievent;
1024
1025 cout << "Start Analysing"<< endl ;
1026 for ( ievent=0; ievent<Nevents; ievent++)
1027 {
1028
1029 //========== Event Number>
69183710 1030 // if ( ( log10((Float_t)(ievent+1)) - (Int_t)(log10((Float_t)(ievent+1))) ) == 0. )
fc879520 1031 cout << "AnalyzeResolutions > " << "Event is " << ievent << endl ;
1032
1033 //=========== Connects the various Tree's for evt
1034 gAlice->GetEvent(ievent);
134ce69a 1035
69183710 1036 //=========== Gets the Kine TTree
fc879520 1037 gAlice->TreeK()->GetEvent(0) ;
1038
1039 //=========== Gets the list of Primari Particles
ed4205d8 1040 TClonesArray * primaryList = gAlice->Particles();
fc879520 1041
ed4205d8 1042 TParticle * primary ;
fc879520 1043 Int_t iPrimary ;
ed4205d8 1044 for ( iPrimary = 0 ; iPrimary < primaryList->GetEntries() ; iPrimary++)
69183710 1045 {
ed4205d8 1046 primary = (TParticle*)primaryList->UncheckedAt(iPrimary) ;
1047 Int_t primaryType = primary->GetPdgCode() ;
1048 if( primaryType == 22 ) {
1049 Int_t moduleNumber ;
1050 Double_t primX, primZ ;
1051 fGeom->ImpactOnEmc(primary->Theta(), primary->Phi(), moduleNumber, primX, primZ) ;
1052 if(moduleNumber){
1053 fhPrimary->Fill(primary->Energy()) ;
1054 if(primary->Energy() > 0.3)
1055 totalPrimary++ ;
69183710 1056 }
1057 }
1058 }
fc879520 1059
ed4205d8 1060 fPHOS->SetTreeAddress() ;
69183710 1061
ed4205d8 1062 gAlice->TreeD()->GetEvent(0) ;
fc879520 1063 gAlice->TreeR()->GetEvent(0) ;
69183710 1064
ed4205d8 1065 TClonesArray ** recParticleList = fPHOS->RecParticles() ;
1066
1067 AliPHOSRecParticle * recParticle ;
fc879520 1068 Int_t iRecParticle ;
ed4205d8 1069 for(iRecParticle = 0; iRecParticle < (*recParticleList)->GetEntries() ;iRecParticle++ )
fc879520 1070 {
ed4205d8 1071 recParticle = (AliPHOSRecParticle *) (*recParticleList)->At(iRecParticle) ;
1072 fhAllRP->Fill(CorrectEnergy(recParticle->Energy())) ;
fc879520 1073
ed4205d8 1074 Int_t moduleNumberRec ;
1075 Double_t recX, recZ ;
1076 fGeom->ImpactOnEmc(recParticle->Theta(), recParticle->Phi(), moduleNumberRec, recX, recZ) ;
fc879520 1077
ed4205d8 1078 Double_t minDistance = 100. ;
1079 Int_t closestPrimary = -1 ;
fc879520 1080
1081 Int_t numberofprimaries ;
ed4205d8 1082 Int_t * listofprimaries = recParticle->GetPrimaries(numberofprimaries) ;
fc879520 1083 Int_t index ;
ed4205d8 1084 TParticle * primary ;
1085 Double_t distance = minDistance ;
1086 Double_t dX, dZ;
b3445972 1087 Double_t dXmin = 0.;
1088 Double_t dZmin = 0. ;
69183710 1089 for ( index = 0 ; index < numberofprimaries ; index++){
ed4205d8 1090 primary = (TParticle*)primaryList->UncheckedAt(listofprimaries[index]) ;
1091 Int_t moduleNumber ;
1092 Double_t primX, primZ ;
1093 fGeom->ImpactOnEmc(primary->Theta(), primary->Phi(), moduleNumber, primX, primZ) ;
1094 if(moduleNumberRec == moduleNumber) {
1095 dX = recX - primX;
1096 dZ = recZ - primZ;
1097 distance = TMath::Sqrt(dX*dX + dZ*dZ) ;
1098 if(minDistance > distance) {
1099 minDistance = distance ;
1100 dXmin = dX;
1101 dZmin = dZ;
1102 closestPrimary = listofprimaries[index] ;
69183710 1103 }
ed4205d8 1104 }
69183710 1105 }
ed4205d8 1106 totalRecPart++ ;
134ce69a 1107
ed4205d8 1108 if(closestPrimary >=0 ){
1109 totalRPwithPrim++;
69183710 1110
ed4205d8 1111 Int_t primaryType = ((TParticle *)primaryList->At(closestPrimary))->GetPdgCode() ;
1112// TParticlePDG* pDGparticle = ((TParticle *)primaryList->At(closestPrimary))->GetPDG();
2bed9e3e 1113// Double_t charge = PDGparticle->Charge() ;
8f5ada7b 1114// if(charge)
ed4205d8 1115// cout <<"Primary " <<primaryType << " E " << ((TParticle *)primaryList->At(closestPrimary))->Energy() << endl ;
1116 Int_t primaryCode ;
1117 switch(primaryType)
69183710 1118 {
1119 case 22:
ed4205d8 1120 primaryCode = 0; //Photon
1121 fhAllEnergy ->Fill(((TParticle *) primaryList->At(closestPrimary))->Energy(), recParticle->Energy()) ;
1122 fhAllPosition ->Fill(((TParticle *) primaryList->At(closestPrimary))->Energy(), minDistance) ;
1123 fhAllPositionX->Fill(dXmin);
1124 fhAllPositionZ->Fill(dZmin);
69183710 1125 break;
1126 case 11 :
ed4205d8 1127 primaryCode = 1; //Electron
69183710 1128 break;
1129 case -11 :
ed4205d8 1130 primaryCode = 1; //positron
69183710 1131 break;
1132 case 321 :
ed4205d8 1133 primaryCode = 4; //K+
69183710 1134 break;
1135 case -321 :
ed4205d8 1136 primaryCode = 4; //K-
69183710 1137 break;
1138 case 310 :
ed4205d8 1139 primaryCode = 4; //K0s
69183710 1140 break;
1141 case 130 :
ed4205d8 1142 primaryCode = 4; //K0l
69183710 1143 break;
8f5ada7b 1144 case 211 :
ed4205d8 1145 primaryCode = 2; //K0l
8f5ada7b 1146 break;
1147 case -211 :
ed4205d8 1148 primaryCode = 2; //K0l
8f5ada7b 1149 break;
1150 case 2212 :
ed4205d8 1151 primaryCode = 2; //K0l
8f5ada7b 1152 break;
1153 case -2212 :
ed4205d8 1154 primaryCode = 2; //K0l
8f5ada7b 1155 break;
69183710 1156 default:
ed4205d8 1157 primaryCode = 3; //ELSE
69183710 1158 break;
1159 }
1160
ed4205d8 1161 switch(recParticle->GetType())
69183710 1162 {
1163 case AliPHOSFastRecParticle::kGAMMA:
ed4205d8 1164 if(primaryType == 22){
1165 fhPhotEnergy->Fill(((TParticle *) primaryList->At(closestPrimary))->Energy(), recParticle->Energy() ) ;
1166 fhEMEnergy->Fill(((TParticle *) primaryList->At(closestPrimary))->Energy(), recParticle->Energy() ) ;
1167 fhPPSDEnergy->Fill(((TParticle *) primaryList->At(closestPrimary))->Energy(), recParticle->Energy() ) ;
69183710 1168
ed4205d8 1169 fhPhotPosition->Fill(((TParticle *) primaryList->At(closestPrimary))->Energy(),minDistance) ;
1170 fhEMPosition->Fill(((TParticle *) primaryList->At(closestPrimary))->Energy(),minDistance) ;
1171 fhPPSDPosition->Fill(((TParticle *) primaryList->At(closestPrimary))->Energy(),minDistance) ;
69183710 1172
ed4205d8 1173 fhPhotReg->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1174 fhPhotEM->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1175 fhPhotPPSD->Fill(CorrectEnergy(recParticle->Energy()) ) ;
69183710 1176
ed4205d8 1177 fhPhotPhot->Fill(CorrectEnergy(recParticle->Energy()) ) ;
69183710 1178 }
ed4205d8 1179 if(primaryType == 2112){ //neutron
1180 fhNReg->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1181 fhNEM->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1182 fhNPPSD->Fill(CorrectEnergy(recParticle->Energy()) ) ;
69183710 1183 }
1184
ed4205d8 1185 if(primaryType == -2112){ //neutron ~
1186 fhNBarReg->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1187 fhNBarEM->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1188 fhNBarPPSD->Fill(CorrectEnergy(recParticle->Energy()) ) ;
69183710 1189
1190 }
ed4205d8 1191 if(primaryCode == 2){
1192 fhChargedReg->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1193 fhChargedEM->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1194 fhChargedPPSD->Fill(CorrectEnergy(recParticle->Energy()) ) ;
69183710 1195 }
1196
ed4205d8 1197 fhAllReg->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1198 fhAllEM->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1199 fhAllPPSD->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1200 fhShape->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1201 fhVeto->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1202 fhPPSD->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1203 counter[0][primaryCode]++;
69183710 1204 break;
1205 case AliPHOSFastRecParticle::kELECTRON:
ed4205d8 1206 if(primaryType == 22){
1207 fhPhotElec->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1208 fhEMEnergy->Fill(((TParticle *) primaryList->At(closestPrimary))->Energy(), recParticle->Energy() ) ;
1209 fhEMPosition->Fill(((TParticle *) primaryList->At(closestPrimary))->Energy(),minDistance) ;
1210 fhPhotEM->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1211 fhPhotPPSD->Fill(CorrectEnergy(recParticle->Energy()) ) ;
69183710 1212 }
ed4205d8 1213 if(primaryType == 2112){ //neutron
1214 fhNEM->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1215 fhNPPSD->Fill(CorrectEnergy(recParticle->Energy()) ) ;
69183710 1216 }
1217
ed4205d8 1218 if(primaryType == -2112){ //neutron ~
1219 fhNBarEM->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1220 fhNBarPPSD->Fill(CorrectEnergy(recParticle->Energy()) ) ;
69183710 1221
1222 }
ed4205d8 1223 if(primaryCode == 2){
1224 fhChargedEM->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1225 fhChargedPPSD->Fill(CorrectEnergy(recParticle->Energy()) ) ;
69183710 1226 }
1227
ed4205d8 1228 fhAllEM->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1229 fhAllPPSD->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1230 fhShape->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1231 fhPPSD->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1232 counter[1][primaryCode]++;
69183710 1233 break;
1234 case AliPHOSFastRecParticle::kNEUTRALHA:
ed4205d8 1235 if(primaryType == 22)
1236 fhPhotNeuH->Fill(CorrectEnergy(recParticle->Energy()) ) ;
69183710 1237
ed4205d8 1238 fhVeto->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1239 counter[2][primaryCode]++;
69183710 1240 break ;
1241 case AliPHOSFastRecParticle::kNEUTRALEM:
ed4205d8 1242 if(primaryType == 22){
1243 fhEMEnergy->Fill(((TParticle *)primaryList->At(closestPrimary))->Energy(),recParticle->Energy() ) ;
1244 fhEMPosition->Fill(((TParticle *)primaryList->At(closestPrimary))->Energy(),minDistance ) ;
69183710 1245
ed4205d8 1246 fhPhotNuEM->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1247 fhPhotEM->Fill(CorrectEnergy(recParticle->Energy()) ) ;
69183710 1248 }
ed4205d8 1249 if(primaryType == 2112) //neutron
1250 fhNEM->Fill(CorrectEnergy(recParticle->Energy()) ) ;
69183710 1251
ed4205d8 1252 if(primaryType == -2112) //neutron ~
1253 fhNBarEM->Fill(CorrectEnergy(recParticle->Energy()) ) ;
69183710 1254
ed4205d8 1255 if(primaryCode == 2)
1256 fhChargedEM->Fill(CorrectEnergy(recParticle->Energy()) ) ;
69183710 1257
ed4205d8 1258 fhAllEM->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1259 fhShape->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1260 fhVeto->Fill(CorrectEnergy(recParticle->Energy()) ) ;
69183710 1261
ed4205d8 1262 counter[3][primaryCode]++;
69183710 1263 break ;
1264 case AliPHOSFastRecParticle::kCHARGEDHA:
ed4205d8 1265 if(primaryType == 22) //photon
1266 fhPhotChHa->Fill(CorrectEnergy(recParticle->Energy()) ) ;
69183710 1267
ed4205d8 1268 counter[4][primaryCode]++ ;
69183710 1269 break ;
1270 case AliPHOSFastRecParticle::kGAMMAHA:
ed4205d8 1271 if(primaryType == 22){ //photon
1272 fhPhotGaHa->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1273 fhPPSDEnergy->Fill(((TParticle *) primaryList->At(closestPrimary))->Energy(), recParticle->Energy() ) ;
1274 fhPPSDPosition->Fill(((TParticle *) primaryList->At(closestPrimary))->Energy(),minDistance) ;
1275 fhPhotPPSD->Fill(CorrectEnergy(recParticle->Energy()) ) ;
fc879520 1276 }
ed4205d8 1277 if(primaryType == 2112){ //neutron
1278 fhNPPSD->Fill(CorrectEnergy(recParticle->Energy()) ) ;
fc879520 1279 }
69183710 1280
ed4205d8 1281 if(primaryType == -2112){ //neutron ~
1282 fhNBarPPSD->Fill(CorrectEnergy(recParticle->Energy()) ) ;
fc879520 1283 }
ed4205d8 1284 if(primaryCode == 2){
1285 fhChargedPPSD->Fill(CorrectEnergy(recParticle->Energy()) ) ;
fc879520 1286 }
69183710 1287
ed4205d8 1288 fhAllPPSD->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1289 fhVeto->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1290 fhPPSD->Fill(CorrectEnergy(recParticle->Energy()) ) ;
1291 counter[5][primaryCode]++ ;
fc879520 1292 break ;
69183710 1293 case AliPHOSFastRecParticle::kABSURDEM:
ed4205d8 1294 counter[6][primaryCode]++ ;
1295 fhShape->Fill(CorrectEnergy(recParticle->Energy()) ) ;
69183710 1296 break;
1297 case AliPHOSFastRecParticle::kABSURDHA:
ed4205d8 1298 counter[7][primaryCode]++ ;
69183710 1299 break;
1300 default:
ed4205d8 1301 counter[8][primaryCode]++ ;
69183710 1302 break;
1303 }
1304 }
fc879520 1305 }
1306 } // endfor
46b146ca 1307 SaveHistograms();
fc879520 1308 cout << "Resolutions: Analyzed " << Nevents << " event(s)" << endl ;
ed4205d8 1309 cout << "Resolutions: Total primary " << totalPrimary << endl ;
1310 cout << "Resoluitons: Total reconstracted " << totalRecPart << endl ;
1311 cout << "TotalReconstructed with Primarie " << totalRPwithPrim << endl ;
fc879520 1312 cout << " Primary: Photon Electron Ch. Hadr. Neutr. Hadr Kaons" << endl ;
ed4205d8 1313 cout << " Detected as photon " << counter[0][0] << " " << counter[0][1] << " " << counter[0][2] << " " <<counter[0][3] << " " << counter[0][4] << endl ;
1314 cout << " Detected as electron " << counter[1][0] << " " << counter[1][1] << " " << counter[1][2] << " " <<counter[1][3] << " " << counter[1][4] << endl ;
1315 cout << " Detected as neutral hadron " << counter[2][0] << " " << counter[2][1] << " " << counter[2][2] << " " <<counter[2][3] << " " << counter[2][4] << endl ;
1316 cout << " Detected as neutral EM " << counter[3][0] << " " << counter[3][1] << " " << counter[3][2] << " " <<counter[3][3] << " " << counter[3][4] << endl ;
1317 cout << " Detected as charged hadron " << counter[4][0] << " " << counter[4][1] << " " << counter[4][2] << " " <<counter[4][3] << " " << counter[4][4] << endl ;
1318 cout << " Detected as gamma-hadron " << counter[5][0] << " " << counter[5][1] << " " << counter[5][2] << " " <<counter[5][3] << " " << counter[5][4] << endl ;
1319 cout << " Detected as Absurd EM " << counter[6][0] << " " << counter[6][1] << " " << counter[6][2] << " " <<counter[6][3] << " " << counter[6][4] << endl ;
1320 cout << " Detected as absurd hadron " << counter[7][0] << " " << counter[7][1] << " " << counter[7][2] << " " <<counter[7][3] << " " << counter[7][4] << endl ;
1321 cout << " Detected as undefined " << counter[8][0] << " " << counter[8][1] << " " << counter[8][2] << " " <<counter[8][3] << " " << counter[8][4] << endl ;
fc879520 1322
1323 for(i1 = 0; i1<9; i1++)
1324 for(i2 = 0; i2<5; i2++)
ed4205d8 1325 totalInd+=counter[i1][i2] ;
1326 cout << "Indentified particles " << totalInd << endl ;
fc879520 1327
92862013 1328} // endfunction
1329
1330
1331//____________________________________________________________________________
1332void AliPHOSAnalyze::BookingHistograms()
1333{
b2a60966 1334 // Books the histograms where the results of the analysis are stored (to be changed)
1335
eecb6765 1336 delete fhEmcDigit ;
1337 delete fhVetoDigit ;
1338 delete fhConvertorDigit ;
1339 delete fhEmcCluster ;
1340 delete fhVetoCluster ;
1341 delete fhConvertorCluster ;
1342 delete fhConvertorEmc ;
1343
46b146ca 1344 fhEmcDigit = new TH1F("hEmcDigit", "hEmcDigit", 1000, 0. , 25.);
1345 fhVetoDigit = new TH1F("hVetoDigit", "hVetoDigit", 500, 0. , 3.e-5);
1346 fhConvertorDigit = new TH1F("hConvertorDigit","hConvertorDigit", 500, 0. , 3.e-5);
1347 fhEmcCluster = new TH1F("hEmcCluster", "hEmcCluster", 1000, 0. , 30.);
1348 fhVetoCluster = new TH1F("hVetoCluster", "hVetoCluster", 500, 0. , 3.e-5);
1349 fhConvertorCluster = new TH1F("hConvertorCluster","hConvertorCluster",500, 0. , 3.e-5);
1350 fhConvertorEmc = new TH2F("hConvertorEmc", "hConvertorEmc", 200, 1. , 3., 200, 0., 3.e-5);
92862013 1351
134ce69a 1352}
1353//____________________________________________________________________________
1354void AliPHOSAnalyze::BookResolutionHistograms()
1355{
1356 // Books the histograms where the results of the Resolution analysis are stored
1357
69183710 1358// if(fhAllEnergy)
1359// delete fhAllEnergy ;
1360// if(fhPhotEnergy)
1361// delete fhPhotEnergy ;
1362// if(fhEMEnergy)
1363// delete fhEMEnergy ;
1364// if(fhPPSDEnergy)
1365// delete fhPPSDEnergy ;
1366
1367
1368 fhAllEnergy = new TH2F("hAllEnergy", "Energy of any RP with primary photon",100, 0., 5., 100, 0., 5.);
1369 fhPhotEnergy = new TH2F("hPhotEnergy", "Energy of kGAMMA with primary photon",100, 0., 5., 100, 0., 5.);
1370 fhEMEnergy = new TH2F("hEMEnergy", "Energy of EM with primary photon", 100, 0., 5., 100, 0., 5.);
1371 fhPPSDEnergy = new TH2F("hPPSDEnergy", "Energy of PPSD with primary photon", 100, 0., 5., 100, 0., 5.);
1372
1373// if(fhAllPosition)
1374// delete fhAllPosition ;
1375// if(fhPhotPosition)
1376// delete fhPhotPosition ;
1377// if(fhEMPosition)
1378// delete fhEMPosition ;
1379// if(fhPPSDPosition)
1380// delete fhPPSDPosition ;
1381
1382
1383 fhAllPosition = new TH2F("hAllPosition", "Position of any RP with primary photon",100, 0., 5., 100, 0., 5.);
1384 fhPhotPosition = new TH2F("hPhotPosition", "Position of kGAMMA with primary photon",100, 0., 5., 100, 0., 5.);
1385 fhEMPosition = new TH2F("hEMPosition", "Position of EM with primary photon", 100, 0., 5., 100, 0., 5.);
1386 fhPPSDPosition = new TH2F("hPPSDPosition", "Position of PPSD with primary photon", 100, 0., 5., 100, 0., 5.);
1387
ed4205d8 1388 fhAllPositionX = new TH1F("hAllPositionX", "#Delta X of any RP with primary photon",100, -2., 2.);
1389 fhAllPositionZ = new TH1F("hAllPositionZ", "#Delta X of any RP with primary photon",100, -2., 2.);
1390
69183710 1391// if(fhAllReg)
1392// delete fhAllReg ;
1393// if(fhPhotReg)
1394// delete fhPhotReg ;
1395// if(fhNReg)
1396// delete fhNReg ;
1397// if(fhNBarReg)
1398// delete fhNBarReg ;
1399// if(fhChargedReg)
1400// delete fhChargedReg ;
46b146ca 1401
69183710 1402 fhAllReg = new TH1F("hAllReg", "All primaries registered as photon", 100, 0., 5.);
1403 fhPhotReg = new TH1F("hPhotReg", "Photon registered as photon", 100, 0., 5.);
1404 fhNReg = new TH1F("hNReg", "N registered as photon", 100, 0., 5.);
1405 fhNBarReg = new TH1F("hNBarReg", "NBar registered as photon", 100, 0., 5.);
1406 fhChargedReg= new TH1F("hChargedReg", "Charged hadron registered as photon",100, 0., 5.);
46b146ca 1407
69183710 1408// if(fhAllEM)
1409// delete fhAllEM ;
1410// if(fhPhotEM)
1411// delete fhPhotEM ;
1412// if(fhNEM)
1413// delete fhNEM ;
1414// if(fhNBarEM)
1415// delete fhNBarEM ;
1416// if(fhChargedEM)
1417// delete fhChargedEM ;
46b146ca 1418
69183710 1419 fhAllEM = new TH1F("hAllEM", "All primary registered as EM",100, 0., 5.);
1420 fhPhotEM = new TH1F("hPhotEM", "Photon registered as EM", 100, 0., 5.);
1421 fhNEM = new TH1F("hNEM", "N registered as EM", 100, 0., 5.);
1422 fhNBarEM = new TH1F("hNBarEM", "NBar registered as EM", 100, 0., 5.);
1423 fhChargedEM= new TH1F("hChargedEM","Charged registered as EM",100, 0., 5.);
1424
1425// if(fhAllPPSD)
1426// delete fhAllPPSD ;
1427// if(fhPhotPPSD)
1428// delete fhPhotPPSD ;
1429// if(fhNPPSD)
1430// delete fhNPPSD ;
1431// if(fhNBarPPSD)
1432// delete fhNBarPPSD ;
1433// if(fhChargedPPSD)
1434// delete fhChargedPPSD ;
46b146ca 1435
69183710 1436 fhAllPPSD = new TH1F("hAllPPSD", "All primary registered as PPSD",100, 0., 5.);
1437 fhPhotPPSD = new TH1F("hPhotPPSD", "Photon registered as PPSD", 100, 0., 5.);
1438 fhNPPSD = new TH1F("hNPPSD", "N registered as PPSD", 100, 0., 5.);
1439 fhNBarPPSD = new TH1F("hNBarPPSD", "NBar registered as PPSD", 100, 0., 5.);
1440 fhChargedPPSD= new TH1F("hChargedPPSD","Charged registered as PPSD",100, 0., 5.);
1441
1442// if(fhPrimary)
1443// delete fhPrimary ;
1444 fhPrimary= new TH1F("hPrimary", "hPrimary", 100, 0., 5.);
1445
1446// if(fhAllRP)
1447// delete fhAllRP ;
1448// if(fhVeto)
1449// delete fhVeto ;
1450// if(fhShape)
1451// delete fhShape ;
1452// if(fhPPSD)
1453// delete fhPPSD ;
1454
1455 fhAllRP = new TH1F("hAllRP","All Reconstructed particles", 100, 0., 5.);
1456 fhVeto = new TH1F("hVeto", "All uncharged particles", 100, 0., 5.);
1457 fhShape = new TH1F("hShape","All particles with EM shaower",100, 0., 5.);
1458 fhPPSD = new TH1F("hPPSD", "All PPSD photon particles", 100, 0., 5.);
1459
1460
1461// if(fhPhotPhot)
1462// delete fhPhotPhot ;
1463// if(fhPhotElec)
1464// delete fhPhotElec ;
1465// if(fhPhotNeuH)
1466// delete fhPhotNeuH ;
1467// if(fhPhotNuEM)
1468// delete fhPhotNuEM ;
1469// if(fhPhotChHa)
1470// delete fhPhotChHa ;
1471// if(fhPhotGaHa)
1472// delete fhPhotGaHa ;
1473
1474 fhPhotPhot = new TH1F("hPhotPhot","hPhotPhot", 100, 0., 5.); //Photon registered as photon
1475 fhPhotElec = new TH1F("hPhotElec","hPhotElec", 100, 0., 5.); //Photon registered as Electron
1476 fhPhotNeuH = new TH1F("hPhotNeuH","hPhotNeuH", 100, 0., 5.); //Photon registered as Neutral Hadron
1477 fhPhotNuEM = new TH1F("hPhotNuEM","hPhotNuEM", 100, 0., 5.); //Photon registered as Neutral EM
1478 fhPhotChHa = new TH1F("hPhotChHa","hPhotChHa", 100, 0., 5.); //Photon registered as Charged Hadron
1479 fhPhotGaHa = new TH1F("hPhotGaHa","hPhotGaHa", 100, 0., 5.); //Photon registered as Gamma-Hadron
92862013 1480}
2aad621e 1481
6ad0bfa0 1482//____________________________________________________________________________
1483Bool_t AliPHOSAnalyze::OpenRootFile(Text_t * name)
1484{
b2a60966 1485 // Open the root file named "name"
1486
1487 fRootFile = new TFile(name, "update") ;
6ad0bfa0 1488 return fRootFile->IsOpen() ;
1489}
ed4205d8 1490
92862013 1491//____________________________________________________________________________
46b146ca 1492void AliPHOSAnalyze::SaveHistograms()
134ce69a 1493{
1494 // Saves the histograms in a root file named "name.analyzed"
1495
1496 Text_t outputname[80] ;
1497 sprintf(outputname,"%s.analyzed",fRootFile->GetName());
1498 TFile output(outputname,"RECREATE");
1499 output.cd();
46b146ca 1500
69183710 1501 if (fhAllEnergy)
1502 fhAllEnergy->Write() ;
1503 if (fhPhotEnergy)
1504 fhPhotEnergy->Write() ;
1505 if(fhEMEnergy)
1506 fhEMEnergy->Write() ;
1507 if(fhPPSDEnergy)
1508 fhPPSDEnergy->Write() ;
1509 if(fhAllPosition)
1510 fhAllPosition->Write() ;
ed4205d8 1511 if(fhAllPositionX)
1512 fhAllPositionX->Write() ;
1513 if(fhAllPositionZ)
1514 fhAllPositionZ->Write() ;
69183710 1515 if(fhPhotPosition)
1516 fhPhotPosition->Write() ;
1517 if(fhEMPosition)
1518 fhEMPosition->Write() ;
1519 if(fhPPSDPosition)
1520 fhPPSDPosition->Write() ;
fc879520 1521 if (fhAllReg)
1522 fhAllReg->Write() ;
69183710 1523 if (fhPhotReg)
1524 fhPhotReg->Write() ;
fc879520 1525 if(fhNReg)
1526 fhNReg->Write() ;
1527 if(fhNBarReg)
1528 fhNBarReg->Write() ;
1529 if(fhChargedReg)
1530 fhChargedReg->Write() ;
fc879520 1531 if (fhAllEM)
1532 fhAllEM->Write() ;
69183710 1533 if (fhPhotEM)
1534 fhPhotEM->Write() ;
fc879520 1535 if(fhNEM)
1536 fhNEM->Write() ;
1537 if(fhNBarEM)
1538 fhNBarEM->Write() ;
1539 if(fhChargedEM)
1540 fhChargedEM->Write() ;
69183710 1541 if (fhAllPPSD)
1542 fhAllPPSD->Write() ;
1543 if (fhPhotPPSD)
1544 fhPhotPPSD->Write() ;
1545 if(fhNPPSD)
1546 fhNPPSD->Write() ;
1547 if(fhNBarPPSD)
1548 fhNBarPPSD->Write() ;
1549 if(fhChargedPPSD)
1550 fhChargedPPSD->Write() ;
fc879520 1551 if(fhPrimary)
1552 fhPrimary->Write() ;
69183710 1553 if(fhAllRP)
1554 fhAllRP->Write() ;
1555 if(fhVeto)
1556 fhVeto->Write() ;
1557 if(fhShape)
1558 fhShape->Write() ;
1559 if(fhPPSD)
1560 fhPPSD->Write() ;
fc879520 1561 if(fhPhotPhot)
1562 fhPhotPhot->Write() ;
1563 if(fhPhotElec)
1564 fhPhotElec->Write() ;
1565 if(fhPhotNeuH)
1566 fhPhotNeuH->Write() ;
1567 if(fhPhotNuEM)
1568 fhPhotNuEM->Write() ;
1569 if(fhPhotNuEM)
1570 fhPhotNuEM->Write() ;
1571 if(fhPhotChHa)
1572 fhPhotChHa->Write() ;
1573 if(fhPhotGaHa)
1574 fhPhotGaHa->Write() ;
46b146ca 1575 if(fhEnergyCorrelations)
1576 fhEnergyCorrelations->Write() ;
1577
92862013 1578 output.Write();
1579 output.Close();
1580}
69183710 1581//____________________________________________________________________________
1582Float_t AliPHOSAnalyze::CorrectEnergy(Float_t ERecPart)
1583{
1584 return ERecPart/0.8783 ;
1585}
1586
46b146ca 1587//____________________________________________________________________________
1588void AliPHOSAnalyze::ResetHistograms()
1589{
1590 fhEnergyCorrelations = 0 ; //Energy correlations between Eloss in Convertor and PPSD(2)
1591
1592 fhEmcDigit = 0 ; // Histo of digit energies in the Emc
1593 fhVetoDigit = 0 ; // Histo of digit energies in the Veto
1594 fhConvertorDigit = 0 ; // Histo of digit energies in the Convertor
1595 fhEmcCluster = 0 ; // Histo of Cluster energies in Emc
1596 fhVetoCluster = 0 ; // Histo of Cluster energies in Veto
1597 fhConvertorCluster = 0 ; // Histo of Cluster energies in Convertor
1598 fhConvertorEmc = 0 ; // 2d Convertor versus Emc energies
1599
69183710 1600 fhAllEnergy = 0 ;
1601 fhPhotEnergy = 0 ; // Total spectrum of detected photons
1602 fhEMEnergy = 0 ; // Spectrum of detected electrons with electron primary
1603 fhPPSDEnergy = 0 ;
1604 fhAllPosition = 0 ;
ed4205d8 1605 fhAllPositionX = 0 ;
1606 fhAllPositionZ = 0 ;
69183710 1607 fhPhotPosition = 0 ;
1608 fhEMPosition = 0 ;
1609 fhPPSDPosition = 0 ;
1610
1611 fhPhotReg = 0 ;
46b146ca 1612 fhAllReg = 0 ;
1613 fhNReg = 0 ;
1614 fhNBarReg = 0 ;
1615 fhChargedReg = 0 ;
69183710 1616 fhPhotEM = 0 ;
46b146ca 1617 fhAllEM = 0 ;
1618 fhNEM = 0 ;
1619 fhNBarEM = 0 ;
1620 fhChargedEM = 0 ;
69183710 1621 fhPhotPPSD = 0 ;
1622 fhAllPPSD = 0 ;
1623 fhNPPSD = 0 ;
1624 fhNBarPPSD = 0 ;
1625 fhChargedPPSD = 0 ;
1626
46b146ca 1627 fhPrimary = 0 ;
1628
1629 fhPhotPhot = 0 ;
1630 fhPhotElec = 0 ;
1631 fhPhotNeuH = 0 ;
1632 fhPhotNuEM = 0 ;
1633 fhPhotChHa = 0 ;
1634 fhPhotGaHa = 0 ;
1635
46b146ca 1636}