Added Ecore; added check of TOF calculation
[u/mrichter/AliRoot.git] / ANALYSIS / TenderSupplies / AliPHOSTenderSupply.cxx
CommitLineData
f7d0ec90 1/**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
3 * *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
6 * *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
15
16
17///////////////////////////////////////////////////////////////////////////////
18// //
19// PHOS tender, recalibrate PHOS clusters //
20// and do track matching //
21// Author : Dmitri Peressounko (RRC KI) //
22// //
23///////////////////////////////////////////////////////////////////////////////
24
25#include "TROOT.h"
26#include "TH2.h"
27#include "TFile.h"
28
29#include <AliLog.h>
30#include <AliVEvent.h>
31#include <AliAODEvent.h>
32#include <AliESDEvent.h>
33#include <AliAnalysisManager.h>
34#include <AliTender.h>
35#include <AliCDBManager.h>
36#include "AliMagF.h"
37#include "TGeoGlobalMagField.h"
38
39#include "AliVCluster.h"
40#include "AliPHOSTenderSupply.h"
41#include "AliPHOSCalibData.h"
42#include "AliPHOSGeometry.h"
43#include "AliPHOSEsdCluster.h"
44#include "AliPHOSAodCluster.h"
45#include "AliOADBContainer.h"
46#include "AliAODCaloCells.h"
47#include "AliESDCaloCells.h"
48
49ClassImp(AliPHOSTenderSupply)
50
51AliPHOSTenderSupply::AliPHOSTenderSupply() :
52 AliTenderSupply()
53 ,fOCDBpass("local://OCDB")
54 ,fNonlinearityVersion("Default")
55 ,fPHOSGeo(0x0)
56 ,fRecoPass(-1) //to be defined
57 ,fUsePrivateBadMap(0)
58 ,fUsePrivateCalib(0)
59 ,fPHOSCalibData(0x0)
60 ,fTask(0x0)
61 ,fIsMC(kFALSE)
62 ,fMCProduction("")
63{
64 //
65 // default ctor
66 //
67 for(Int_t i=0;i<10;i++)fNonlinearityParams[i]=0. ;
68 for(Int_t mod=0;mod<5;mod++)fPHOSBadMap[mod]=0x0 ;
69}
70
71//_____________________________________________________
72AliPHOSTenderSupply::AliPHOSTenderSupply(const char *name, const AliTender *tender) :
73 AliTenderSupply(name,tender)
74 ,fOCDBpass("alien:///alice/cern.ch/user/p/prsnko/PHOSrecalibrations/")
75 ,fNonlinearityVersion("Default")
76 ,fPHOSGeo(0x0)
77 ,fRecoPass(-1) //to be defined
78 ,fUsePrivateBadMap(0)
79 ,fUsePrivateCalib(0)
80 ,fPHOSCalibData(0x0)
81 ,fTask(0x0)
82 ,fIsMC(kFALSE)
83 ,fMCProduction("")
84{
85 //
86 // named ctor
87 //
88 for(Int_t i=0;i<10;i++)fNonlinearityParams[i]=0. ;
89 for(Int_t mod=0;mod<5;mod++)fPHOSBadMap[mod]=0x0 ;
90}
91
92//_____________________________________________________
93AliPHOSTenderSupply::~AliPHOSTenderSupply()
94{
95 //Destructor
96 if(fPHOSCalibData)
97 delete fPHOSCalibData;
98 fPHOSCalibData=0x0 ;
99}
100
101//_____________________________________________________
102void AliPHOSTenderSupply::InitTender()
103{
104 //
105 // Initialise PHOS tender
106 //
107 Int_t runNumber = 0;
108 if(fTender)
109 runNumber = fTender->GetRun();
110 else{
111 if(!fTask){
112 AliError("Neither Tender not Taks was not set") ;
113 return ;
114 }
115 AliAODEvent *aod = dynamic_cast<AliAODEvent*>(fTask->InputEvent()) ;
116 if(aod)
117 runNumber = aod->GetRunNumber() ;
118 else{
119 AliESDEvent *esd = dynamic_cast<AliESDEvent*>(fTask->InputEvent()) ;
120 if(esd)
121 runNumber = esd->GetRunNumber() ;
122 else{
123 AliError("Taks does not contain neither ESD nor AOD") ;
124 return ;
125 }
126 }
127 }
128
129 //In MC always reco pass 1
130 if(fIsMC)
131 fRecoPass=1 ;
132
133 if(fRecoPass<0){ //not defined yet
134 // read if from filename.
135 AliAnalysisManager *mgr = AliAnalysisManager::GetAnalysisManager();
136 TTree * t = mgr->GetTree();
137 if(t){
138 TFile * f = t->GetCurrentFile() ;
139 if(f){
140 TString fname(f->GetName());
141 if(fname.Contains("pass1"))
142 fRecoPass=1;
143 else
144 if(fname.Contains("pass2"))
145 fRecoPass=2;
146 else
147 if(fname.Contains("pass3"))
148 fRecoPass=3;
149 else
150 if(fname.Contains("pass4"))
151 fRecoPass=4;
152 }
153 }
154 if(fRecoPass<0){
155 AliError("Can not find pass number from file name, set it manually");
156 }
157 }
158
159 //Init geometry
160 if(!fPHOSGeo){
161 AliOADBContainer geomContainer("phosGeo");
162 geomContainer.InitFromFile("$ALICE_ROOT/OADB/PHOS/PHOSGeometry.root","PHOSRotationMatrixes");
163 TObjArray *matrixes = (TObjArray*)geomContainer.GetObject(runNumber,"PHOSRotationMatrixes");
164 fPHOSGeo = AliPHOSGeometry::GetInstance("IHEP") ;
165 for(Int_t mod=0; mod<5; mod++) {
166 if(!matrixes->At(mod)) continue;
167 fPHOSGeo->SetMisalMatrix(((TGeoHMatrix*)matrixes->At(mod)),mod) ;
168 printf(".........Adding Matrix(%d), geo=%p\n",mod,fPHOSGeo) ;
e1c158c2 169 ((TGeoHMatrix*)matrixes->At(mod))->Print() ;
f7d0ec90 170 }
171 }
172
173 //Init Bad channels map
174 if(!fUsePrivateBadMap){
175 AliOADBContainer badmapContainer(Form("phosBadMap"));
176 badmapContainer.InitFromFile("$ALICE_ROOT/OADB/PHOS/PHOSBadMaps.root","phosBadMap");
177 TObjArray *maps = (TObjArray*)badmapContainer.GetObject(runNumber,"phosBadMap");
178 if(!maps){
179 AliError(Form("Can not read Bad map for run %d. \n You may choose to use your map with ForceUsingBadMap()\n",runNumber)) ;
180 }
181 else{
182 AliInfo(Form("Setting PHOS bad map with name %s \n",maps->GetName())) ;
183 for(Int_t mod=0; mod<5;mod++){
184 if(fPHOSBadMap[mod])
185 delete fPHOSBadMap[mod] ;
186 TH2I * h = (TH2I*)maps->At(mod) ;
187 if(h)
188 fPHOSBadMap[mod]=new TH2I(*h) ;
189 }
190 }
191 }
192
193 if(!fUsePrivateCalib){
194 if(fIsMC){ //re/de-calibration for MC productions
195 //Init recalibration
196 AliOADBContainer calibContainer("phosRecalibration");
197 calibContainer.InitFromFile("$ALICE_ROOT/OADB/PHOS/PHOSMCCalibrations.root","phosRecalibration");
198
199 TObjArray *recalib = (TObjArray*)calibContainer.GetObject(runNumber,"PHOSRecalibration");
200 if(!recalib){
201 AliFatal(Form("Can not read calibrations for run %d\n. You may choose your specific calibration with ForceUsingCalibration()\n",runNumber)) ;
202 }
203 else{
204 //Now try to find object with proper name
205 for(Int_t i=0; i<recalib->GetEntriesFast(); i++){
206 AliPHOSCalibData * tmp = (AliPHOSCalibData*)recalib->At(i) ;
207 if(fMCProduction.CompareTo(tmp->GetName())==0){
208 fPHOSCalibData = tmp ;
209 break ;
210 }
211 }
212 if(!fPHOSCalibData) {
213 AliFatal(Form("Can not find calibration for run %d, and name %s \n",runNumber, fMCProduction.Data())) ;
214 }
215 }
216
217 }
218 else{ //real data
219 //Init recalibration
220 //Check the pass1-pass2-pass3 reconstruction
221 AliOADBContainer calibContainer("phosRecalibration");
222 calibContainer.InitFromFile("$ALICE_ROOT/OADB/PHOS/PHOSCalibrations.root","phosRecalibration");
223 TObjArray *recalib = (TObjArray*)calibContainer.GetObject(runNumber,"PHOSRecalibration");
224 if(!recalib){
225 AliFatal(Form("Can not read calibrations for run %d\n. You may choose your specific calibration with ForceUsingCalibration()\n",runNumber)) ;
226 }
227 else{
228 fPHOSCalibData = (AliPHOSCalibData*)recalib->At(fRecoPass-1) ;
229 if(!fPHOSCalibData) {
230 AliFatal(Form("Can not find calibration for run %d, pass %d \n",runNumber, fRecoPass)) ;
231 }
232 }
233 }
234 }
235
236}
237
238//_____________________________________________________
239void AliPHOSTenderSupply::ProcessEvent()
240{
241 //Choose PHOS clusters and recalibrate them
242 //that it recalculate energy, position and distance
243 //to closest track extrapolation
244
245 AliESDEvent *esd = 0x0 ;
246 AliAODEvent *aod = 0x0 ;
247 if(fTender){
248 esd = fTender->GetEvent();
249 if(!esd)
250 return ;
251 }
252 else{
253 if(!fTask){
254 return ;
255 }
256 esd = dynamic_cast<AliESDEvent*>(fTask->InputEvent()) ;
257 aod = dynamic_cast<AliAODEvent*>(fTask->InputEvent()) ;
258 if(!esd && !aod)
259 return ;
260 }
261
262 if(!fPHOSCalibData
263 || (fTender && fTender->RunChanged())){ //In case of Task init called automatically
264 InitTender();
265
266 }
267
268 TVector3 vertex ;
269 if(esd){
270 const AliESDVertex *esdVertex = esd->GetPrimaryVertex();
271 vertex.SetXYZ(esdVertex->GetX(),esdVertex->GetY(),esdVertex->GetZ());
272 }
273 else{//AOD
274 const AliAODVertex *aodVertex = aod->GetPrimaryVertex();
275 vertex.SetXYZ(aodVertex->GetX(),aodVertex->GetY(),aodVertex->GetZ());
276 }
277 if(vertex.Mag()>99.) //vertex not defined?
278 vertex.SetXYZ(0.,0.,0.) ;
279
280
281 //For re-calibration
282 const Double_t logWeight=4.5 ;
283
284 if(esd){ //To avoid multiple if in loops we made
285 //almost identical pecies of code. Please apply changes to both!!!
286 Int_t multClust=esd->GetNumberOfCaloClusters();
287 AliESDCaloCells * cells = esd->GetPHOSCells() ;
288
289 for (Int_t i=0; i<multClust; i++) {
290 AliESDCaloCluster *clu = esd->GetCaloCluster(i);
291 if ( !clu->IsPHOS()) continue;
292
293 Float_t position[3];
294 clu->GetPosition(position);
295 TVector3 global(position) ;
296 Int_t relId[4] ;
297 fPHOSGeo->GlobalPos2RelId(global,relId) ;
298 Int_t mod = relId[0] ;
299 Int_t cellX = relId[2];
300 Int_t cellZ = relId[3] ;
301 if ( !IsGoodChannel(mod,cellX,cellZ) ) {
302 clu->SetE(0.) ;
303 continue ;
304 }
305
306 //Apply re-Calibreation
307 AliPHOSEsdCluster cluPHOS(*clu);
308 cluPHOS.Recalibrate(fPHOSCalibData,cells); // modify the cell energies
309 cluPHOS.EvalAll(logWeight,vertex); // recalculate the cluster parameters
310 cluPHOS.SetE(CorrectNonlinearity(cluPHOS.E()));// Users's nonlinearity
311
5bd0f028 312 Double_t ecore=CoreEnergy(&cluPHOS) ;
313 ecore=CorrectNonlinearity(ecore) ;
314
f7d0ec90 315 //Correct Misalignment
e1c158c2 316// CorrectPHOSMisalignment(global,mod) ;
317// position[0]=global.X() ;
318// position[1]=global.Y() ;
319// position[2]=global.Z() ;
320// cluPHOS.GetPosition(position) ;
f7d0ec90 321
322 //Eval CoreDispersion
323 Double_t m02=0.,m20=0.;
324 EvalLambdas(&cluPHOS,m02, m20);
325 clu->SetDispersion(TestLambda(clu->E(),m20,m02)) ;
326
327 Float_t xyz[3];
328 cluPHOS.GetPosition(xyz);
329 clu->SetPosition(xyz); //rec.point position in MARS
5bd0f028 330 clu->SetE(cluPHOS.E()); //total particle energy
331 clu->SetMCEnergyFraction(ecore); //core particle energy
332
f7d0ec90 333 // clu->SetDispersion(cluPHOS.GetDispersion()); //cluster dispersion
334 // ec->SetPID(rp->GetPID()) ; //array of particle identification
335 clu->SetM02(cluPHOS.GetM02()) ; //second moment M2x
336 clu->SetM20(cluPHOS.GetM20()) ; //second moment M2z
337 Double_t dx=0.,dz=0. ;
338 fPHOSGeo->GlobalPos2RelId(global,relId) ;
339 TVector3 locPos;
340 fPHOSGeo->Global2Local(locPos,global,mod) ;
341
342 Double_t pttrack=0.;
343 Int_t charge=0;
344 FindTrackMatching(mod,&locPos,dx,dz,pttrack,charge) ;
345 Double_t r=TestCPV(dx, dz, pttrack,charge) ;
346 clu->SetTrackDistance(dx,dz);
347
348 clu->SetEmcCpvDistance(r);
349 clu->SetChi2(TestLambda(clu->E(),clu->GetM20(),clu->GetM02())); //not yet implemented
d4657394 350 Double_t tof=EvalTOF(&cluPHOS,cells);
351 if(TMath::Abs(tof-clu->GetTOF())>100.e-9) //something wrong in cell TOF!
352 tof=clu->GetTOF() ;
353 clu->SetTOF(tof);
393b3556 354 Double_t minDist=clu->GetDistanceToBadChannel() ;//Already calculated
355 DistanceToBadChannel(mod,&locPos,minDist);
356 clu->SetDistanceToBadChannel(minDist) ;
f7d0ec90 357
358 }
359 }
360 else{//AOD
361 Int_t multClust=aod->GetNumberOfCaloClusters();
362 AliAODCaloCells * cells = aod->GetPHOSCells() ;
363
364 for (Int_t i=0; i<multClust; i++) {
365 AliAODCaloCluster *clu = aod->GetCaloCluster(i);
366 if ( !clu->IsPHOS()) continue;
367
368 Float_t position[3];
369 clu->GetPosition(position);
370 TVector3 global(position) ;
371 Int_t relId[4] ;
372 fPHOSGeo->GlobalPos2RelId(global,relId) ;
373 Int_t mod = relId[0] ;
374 Int_t cellX = relId[2];
375 Int_t cellZ = relId[3] ;
376 if ( !IsGoodChannel(mod,cellX,cellZ) ) {
377 clu->SetE(0.) ;
378 continue ;
379 }
380 TVector3 locPosOld; //Use it to re-calculate distance to track
381 fPHOSGeo->Global2Local(locPosOld,global,mod) ;
382
383 //Apply re-Calibreation
384 AliPHOSAodCluster cluPHOS(*clu);
385 cluPHOS.Recalibrate(fPHOSCalibData,cells); // modify the cell energies
386 cluPHOS.EvalAll(logWeight,vertex); // recalculate the cluster parameters
387 cluPHOS.SetE(CorrectNonlinearity(cluPHOS.E()));// Users's nonlinearity
388
5bd0f028 389 Double_t ecore=CoreEnergy(&cluPHOS) ;
390 ecore=CorrectNonlinearity(ecore) ;
391
392
f7d0ec90 393 //Correct Misalignment
e1c158c2 394// cluPHOS.GetPosition(position);
395// global.SetXYZ(position[0],position[1],position[2]);
396// CorrectPHOSMisalignment(global,mod) ;
397// position[0]=global.X() ;
398// position[1]=global.Y() ;
399// position[2]=global.Z() ;
f7d0ec90 400
401 clu->SetPosition(position); //rec.point position in MARS
5bd0f028 402 clu->SetE(cluPHOS.E()); //total particle energy
403 clu->SetMCEnergyFraction(ecore); //core particle energy
f7d0ec90 404 clu->SetDispersion(cluPHOS.GetDispersion()); //cluster dispersion
405 // ec->SetPID(rp->GetPID()) ; //array of particle identification
406 clu->SetM02(cluPHOS.GetM02()) ; //second moment M2x
407 clu->SetM20(cluPHOS.GetM20()) ; //second moment M2z
408 //correct distance to track
409 Double_t dx=clu->GetTrackDx() ;
410 Double_t dz=clu->GetTrackDz() ;
411 TVector3 locPos;
412 fPHOSGeo->Global2Local(locPos,global,mod) ;
413 if(dx!=-999.){ //there is matched track
414 dx+=locPos.X()-locPosOld.X() ;
415 dz+=locPos.Z()-locPosOld.Z() ;
416 clu->SetTrackDistance(dx,dz);
417 }
418 Double_t r = 999. ; //Big distance
419 int nTracksMatched = clu->GetNTracksMatched();
420 if(nTracksMatched > 0) {
421 AliVTrack* track = dynamic_cast<AliVTrack*> (clu->GetTrackMatched(0));
422 if ( track ) {
423 Double_t pttrack = track->Pt();
424 Short_t charge = track->Charge();
425 r=TestCPV(dx, dz, pttrack,charge) ;
426 }
427 }
428 clu->SetEmcCpvDistance(r); //Distance in sigmas
429
430 clu->SetChi2(TestLambda(clu->E(),clu->GetM20(),clu->GetM02())); //not yet implemented
d4657394 431 Double_t tof=EvalTOF(&cluPHOS,cells);
432 if(TMath::Abs(tof-clu->GetTOF())>100.e-9) //something wrong in cell TOF!
433 tof=clu->GetTOF() ;
434 clu->SetTOF(tof);
393b3556 435 Double_t minDist=clu->GetDistanceToBadChannel() ;//Already calculated
436 DistanceToBadChannel(mod,&locPos,minDist);
437 clu->SetDistanceToBadChannel(minDist) ;
f7d0ec90 438 }
439 }
440
441}
442//___________________________________________________________________________________________________
443void AliPHOSTenderSupply::FindTrackMatching(Int_t mod,TVector3 *locpos,
444 Double_t &dx, Double_t &dz,
445 Double_t &pt,Int_t &charge){
446 //Find track with closest extrapolation to cluster
447 AliESDEvent *esd = 0x0 ;
448 if(fTender)
449 esd= fTender->GetEvent();
450 else{
451 esd= dynamic_cast<AliESDEvent*>(fTask->InputEvent());
452 }
453
454 if(!esd){
455 AliError("ESD is not found") ;
456 return ;
457 }
458 Double_t magF = esd->GetMagneticField();
459
460 Double_t magSign = 1.0;
461 if(magF<0)magSign = -1.0;
462
463 if (!TGeoGlobalMagField::Instance()->GetField()) {
464 AliMagF* field = new AliMagF("Maps","Maps", magSign, magSign, AliMagF::k5kG);
465 TGeoGlobalMagField::Instance()->SetField(field);
466 }
467
468 // *** Start the matching
469 Int_t nt=0;
470 nt = esd->GetNumberOfTracks();
471 //Calculate actual distance to PHOS module
472 TVector3 globaPos ;
473 fPHOSGeo->Local2Global(mod, 0.,0., globaPos) ;
474 const Double_t rPHOS = globaPos.Pt() ; //Distance to center of PHOS module
475 const Double_t kYmax = 72.+10. ; //Size of the module (with some reserve) in phi direction
476 const Double_t kZmax = 64.+10. ; //Size of the module (with some reserve) in z direction
477 const Double_t kAlpha0=330./180.*TMath::Pi() ; //First PHOS module angular direction
478 const Double_t kAlpha= 20./180.*TMath::Pi() ; //PHOS module angular size
479 Double_t minDistance = 1.e6;
480
481
482 Double_t gposTrack[3] ;
483
484 Double_t bz = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->SolenoidField();
485 bz = TMath::Sign(0.5*kAlmost0Field,bz) + bz;
486
487 Double_t b[3];
488
489 for (Int_t i=0; i<nt; i++) {
490 AliESDtrack *esdTrack=esd->GetTrack(i);
491
492 // Skip the tracks having "wrong" status (has to be checked/tuned)
493 ULong_t status = esdTrack->GetStatus();
494 if ((status & AliESDtrack::kTPCout) == 0) continue;
495
496 //Continue extrapolation from TPC outer surface
497 const AliExternalTrackParam *outerParam=esdTrack->GetOuterParam();
498 if (!outerParam) continue;
499 AliExternalTrackParam t(*outerParam);
500
501 t.GetBxByBz(b) ;
502 //Direction to the current PHOS module
503 Double_t phiMod=kAlpha0-kAlpha*mod ;
504 if(!t.Rotate(phiMod))
505 continue ;
506
507 Double_t y; // Some tracks do not reach the PHOS
508 if (!t.GetYAt(rPHOS,bz,y)) continue; // because of the bending
509
510 Double_t z;
511 if(!t.GetZAt(rPHOS,bz,z))
512 continue ;
513 if (TMath::Abs(z) > kZmax)
514 continue; // Some tracks miss the PHOS in Z
515 if(TMath::Abs(y) < kYmax){
516 t.PropagateToBxByBz(rPHOS,b); // Propagate to the matching module
517 //t.CorrectForMaterial(...); // Correct for the TOF material, if needed
518 t.GetXYZ(gposTrack) ;
519 TVector3 globalPositionTr(gposTrack) ;
520 TVector3 localPositionTr ;
521 fPHOSGeo->Global2Local(localPositionTr,globalPositionTr,mod) ;
522 Double_t ddx = locpos->X()-localPositionTr.X();
523 Double_t ddz = locpos->Z()-localPositionTr.Z();
524 Double_t d2 = ddx*ddx + ddz*ddz;
525 if(d2 < minDistance) {
526 dx = ddx ;
527 dz = ddz ;
528 minDistance=d2 ;
529 pt=esdTrack->Pt() ;
530 charge=esdTrack->Charge() ;
531 }
532 }
533 }//Scanned all tracks
534
535}
536//____________________________________________________________
537Float_t AliPHOSTenderSupply::CorrectNonlinearity(Float_t en){
538
539 //For backward compatibility, if no RecoParameters found
540 if(fNonlinearityVersion=="Default"){
541 return 0.0241+1.0504*en+0.000249*en*en ;
542 }
543
544 if(fNonlinearityVersion=="NoCorrection"){
545 return en ;
546 }
547 if(fNonlinearityVersion=="Gustavo2005"){
548 return fNonlinearityParams[0]+fNonlinearityParams[1]*en + fNonlinearityParams[2]*en*en ;
549 }
550 if(fNonlinearityVersion=="Henrik2010"){
551 return en*(fNonlinearityParams[0]+fNonlinearityParams[1]*TMath::Exp(-en*fNonlinearityParams[2]))*(1.+fNonlinearityParams[3]*TMath::Exp(-en*fNonlinearityParams[4]))*(1.+fNonlinearityParams[6]/(en*en+fNonlinearityParams[5])) ;
552 }
553
554 return en ;
555}
556//_____________________________________________________________________________
557Double_t AliPHOSTenderSupply::TestLambda(Double_t pt,Double_t l1,Double_t l2){
558//Parameterization for core dispersion
559//For R=4.5
560 Double_t l1Mean = 1.150200 + 0.097886/(1.+1.486645*pt+0.000038*pt*pt) ;
561 Double_t l2Mean = 1.574706 + 0.997966*exp(-0.895075*pt)-0.010666*pt ;
562 Double_t l1Sigma = 0.100255 + 0.337177*exp(-0.517684*pt)+0.001170*pt ;
563 Double_t l2Sigma = 0.232580 + 0.573401*exp(-0.735903*pt)-0.002325*pt ;
564 Double_t c = -0.110983 -0.017353/(1.-1.836995*pt+0.934517*pt*pt) ;
565
566/*
567 //Parameterizatino for full dispersion
568 Double_t l2Mean = 1.53126+9.50835e+06/(1.+1.08728e+07*pt+1.73420e+06*pt*pt) ;
569 Double_t l1Mean = 1.12365+0.123770*TMath::Exp(-pt*0.246551)+5.30000e-03*pt ;
570 Double_t l2Sigma = 6.48260e-02+7.60261e+10/(1.+1.53012e+11*pt+5.01265e+05*pt*pt)+9.00000e-03*pt;
571 Double_t l1Sigma = 4.44719e-04+6.99839e-01/(1.+1.22497e+00*pt+6.78604e-07*pt*pt)+9.00000e-03*pt;
572 Double_t c=-0.35-0.550*TMath::Exp(-0.390730*pt) ;
573*/
574 Double_t R2=0.5*(l1-l1Mean)*(l1-l1Mean)/l1Sigma/l1Sigma +
575 0.5*(l2-l2Mean)*(l2-l2Mean)/l2Sigma/l2Sigma +
576 0.5*c*(l1-l1Mean)*(l2-l2Mean)/l1Sigma/l2Sigma ;
577 return R2 ;
578
579}
580//____________________________________________________________________________
581Double_t AliPHOSTenderSupply::TestCPV(Double_t dx, Double_t dz, Double_t pt, Int_t charge){
582 //Parameterization of LHC10h period
583 //_true if neutral_
584
585 Double_t meanX=0;
586 Double_t meanZ=0.;
587 Double_t sx=TMath::Min(5.4,2.59719e+02*TMath::Exp(-pt/1.02053e-01)+
588 6.58365e-01*5.91917e-01*5.91917e-01/((pt-9.61306e-01)*(pt-9.61306e-01)+5.91917e-01*5.91917e-01)+1.59219);
589 Double_t sz=TMath::Min(2.75,4.90341e+02*1.91456e-02*1.91456e-02/(pt*pt+1.91456e-02*1.91456e-02)+1.60) ;
590
591 Double_t mf = 0.; //Positive for ++ and negative for --
592 if(fTender){
593 AliESDEvent *esd = fTender->GetEvent();
594 mf = esd->GetMagneticField();
595 }
596 else{
597 if(fTask){
598 AliESDEvent *esd= dynamic_cast<AliESDEvent*>(fTask->InputEvent());
599 if(esd)
600 mf = esd->GetMagneticField();
601 else{
602 AliAODEvent *aod= dynamic_cast<AliAODEvent*>(fTask->InputEvent());
603 if(aod)
604 mf = aod->GetMagneticField();
605 }
606 }else{
607 AliError("Neither Tender nor Task defined") ;
608 }
609 }
610
611 if(mf<0.){ //field --
612 meanZ = -0.468318 ;
613 if(charge>0)
614 meanX=TMath::Min(7.3, 3.89994*1.20679*1.20679/(pt*pt+1.20679*1.20679)+0.249029+2.49088e+07*TMath::Exp(-pt*3.33650e+01)) ;
615 else
616 meanX=-TMath::Min(7.7,3.86040*0.912499*0.912499/(pt*pt+0.912499*0.912499)+1.23114+4.48277e+05*TMath::Exp(-pt*2.57070e+01)) ;
617 }
618 else{ //Field ++
619 meanZ= -0.468318;
620 if(charge>0)
621 meanX=-TMath::Min(8.0,3.86040*1.31357*1.31357/(pt*pt+1.31357*1.31357)+0.880579+7.56199e+06*TMath::Exp(-pt*3.08451e+01)) ;
622 else
623 meanX= TMath::Min(6.85, 3.89994*1.16240*1.16240/(pt*pt+1.16240*1.16240)-0.120787+2.20275e+05*TMath::Exp(-pt*2.40913e+01)) ;
624 }
625
626 Double_t rz=(dz-meanZ)/sz ;
627 Double_t rx=(dx-meanX)/sx ;
628 return TMath::Sqrt(rx*rx+rz*rz) ;
629}
630
631//________________________________________________________________________
632Bool_t AliPHOSTenderSupply::IsGoodChannel(Int_t mod, Int_t ix, Int_t iz)
633{
634 //Check if this channel belogs to the good ones
635
636 if(mod>4 || mod<1){
637// AliError(Form("No bad map for PHOS module %d ",mod)) ;
638 return kTRUE ;
639 }
640 if(!fPHOSBadMap[mod]){
641// AliError(Form("No Bad map for PHOS module %d",mod)) ;
642 return kTRUE ;
643 }
644 if(fPHOSBadMap[mod]->GetBinContent(ix,iz)>0)
645 return kFALSE ;
646 else
647 return kTRUE ;
648}
649//________________________________________________________________________
650void AliPHOSTenderSupply::ForceUsingBadMap(const char * filename){
651 //Read TH2I histograms with bad maps from local or alien file
652 TFile * fbm = TFile::Open(filename) ;
653 if(!fbm || !fbm->IsOpen()){
654 AliError(Form("Can not open BadMaps file %s",filename)) ;
655 return ;
656 }
657 gROOT->cd() ;
658 char key[55] ;
659 for(Int_t mod=1;mod<4; mod++){
660 snprintf(key,55,"PHOS_BadMap_mod%d",mod) ;
661 TH2I * h = (TH2I*)fbm->Get(key) ;
662 if(h)
663 fPHOSBadMap[mod] = new TH2I(*h) ;
664 }
665 fbm->Close() ;
666 fUsePrivateBadMap=kTRUE ;
667}
668//________________________________________________________________________
669void AliPHOSTenderSupply::ForceUsingCalibration(const char * filename){
670 //Read PHOS recalibration parameters from the file.
671 //We assume that file contains single entry: AliPHOSCalibData
672 TFile * fc = TFile::Open(filename) ;
673 if(!fc || !fc->IsOpen()){
674 AliFatal(Form("Can not open Calibration file %s",filename)) ;
675 return ;
676 }
677 fPHOSCalibData = (AliPHOSCalibData*)fc->Get("PHOSCalibration") ;
678 fc->Close() ;
679 fUsePrivateCalib=kTRUE;
680}
681//________________________________________________________________________
682void AliPHOSTenderSupply::CorrectPHOSMisalignment(TVector3 &global,Int_t mod){
683 //Correct for PHOS modules misalignment
684
685 //correct misalignment
686 const Float_t shiftX[6]={0.,-2.3,-2.11,-1.53,0.,0.} ;
687 const Float_t shiftZ[6]={0.,-0.4, 0.52, 0.8,0.,0.} ;
688 TVector3 localPos ;
689 fPHOSGeo->Global2Local(localPos,global,mod) ;
690 fPHOSGeo->Local2Global(mod,localPos.X()+shiftX[mod],localPos.Z()+shiftZ[mod],global);
691}
692//________________________________________________________________________
693void AliPHOSTenderSupply::EvalLambdas(AliVCluster * clu, Double_t &m02, Double_t &m20){
694 //calculate dispecrsion of the cluster in the circle with radius distanceCut around the maximum
695
696 const Double_t rCut=4.5 ;
697
698 Double32_t * elist = clu->GetCellsAmplitudeFraction() ;
699// Calculates the center of gravity in the local PHOS-module coordinates
700 Float_t wtot = 0;
701 Double_t xc[100]={0} ;
702 Double_t zc[100]={0} ;
703 Double_t x = 0 ;
704 Double_t z = 0 ;
705 Int_t mulDigit=TMath::Min(100,clu->GetNCells()) ;
706 const Double_t logWeight=4.5 ;
707 for(Int_t iDigit=0; iDigit<mulDigit; iDigit++) {
708 Int_t relid[4] ;
709 Float_t xi ;
710 Float_t zi ;
711 fPHOSGeo->AbsToRelNumbering(clu->GetCellAbsId(iDigit), relid) ;
712 fPHOSGeo->RelPosInModule(relid, xi, zi);
713 xc[iDigit]=xi ;
714 zc[iDigit]=zi ;
715 if (clu->E()>0 && elist[iDigit]>0) {
716 Float_t w = TMath::Max( 0., logWeight + TMath::Log( elist[iDigit] / clu->E() ) ) ;
717 x += xc[iDigit] * w ;
718 z += zc[iDigit] * w ;
719 wtot += w ;
720 }
721 }
722 if (wtot>0) {
723 x /= wtot ;
724 z /= wtot ;
725 }
726
727 wtot = 0. ;
728 Double_t dxx = 0.;
729 Double_t dzz = 0.;
730 Double_t dxz = 0.;
731 Double_t xCut = 0. ;
732 Double_t zCut = 0. ;
733 for(Int_t iDigit=0; iDigit<mulDigit; iDigit++) {
734 if (clu->E()>0 && elist[iDigit]>0.) {
735 Double_t w = TMath::Max( 0., logWeight + TMath::Log( elist[iDigit] / clu->E() ) ) ;
736 Double_t xi= xc[iDigit] ;
737 Double_t zi= zc[iDigit] ;
738 if((xi-x)*(xi-x)+(zi-z)*(zi-z) < rCut*rCut){
739 xCut += w * xi ;
740 zCut += w * zi ;
741 dxx += w * xi * xi ;
742 dzz += w * zi * zi ;
743 dxz += w * xi * zi ;
744 wtot += w ;
745 }
746 }
747
748 }
749 if (wtot>0) {
750 xCut/= wtot ;
751 zCut/= wtot ;
752 dxx /= wtot ;
753 dzz /= wtot ;
754 dxz /= wtot ;
755 dxx -= xCut * xCut ;
756 dzz -= zCut * zCut ;
757 dxz -= xCut * zCut ;
758
759 m02 = 0.5 * (dxx + dzz) + TMath::Sqrt( 0.25 * (dxx - dzz) * (dxx - dzz) + dxz * dxz ) ;
760 m20 = 0.5 * (dxx + dzz) - TMath::Sqrt( 0.25 * (dxx - dzz) * (dxx - dzz) + dxz * dxz ) ;
761 }
762 else {
763 m20=m02=0.;
764 }
765
766}
5bd0f028 767//____________________________________________________________________________
768Double_t AliPHOSTenderSupply::CoreEnergy(AliVCluster * clu){
769 //calculate energy of the cluster in the circle with radius distanceCut around the maximum
770
771 //Can not use already calculated coordinates?
772 //They have incidence correction...
773 const Double_t distanceCut =3.5 ;
774 const Double_t logWeight=4.5 ;
775
776 Double32_t * elist = clu->GetCellsAmplitudeFraction() ;
777// Calculates the center of gravity in the local PHOS-module coordinates
778 Float_t wtot = 0;
779 Double_t xc[100]={0} ;
780 Double_t zc[100]={0} ;
781 Double_t x = 0 ;
782 Double_t z = 0 ;
783 Int_t mulDigit=TMath::Min(100,clu->GetNCells()) ;
784 for(Int_t iDigit=0; iDigit<mulDigit; iDigit++) {
785 Int_t relid[4] ;
786 Float_t xi ;
787 Float_t zi ;
788 fPHOSGeo->AbsToRelNumbering(clu->GetCellAbsId(iDigit), relid) ;
789 fPHOSGeo->RelPosInModule(relid, xi, zi);
790 xc[iDigit]=xi ;
791 zc[iDigit]=zi ;
792 if (clu->E()>0 && elist[iDigit]>0) {
793 Float_t w = TMath::Max( 0., logWeight + TMath::Log( elist[iDigit] / clu->E() ) ) ;
794 x += xc[iDigit] * w ;
795 z += zc[iDigit] * w ;
796 wtot += w ;
797 }
798 }
799 if (wtot>0) {
800 x /= wtot ;
801 z /= wtot ;
802 }
803 Double_t coreE=0. ;
804 for(Int_t iDigit=0; iDigit < mulDigit; iDigit++) {
805 Double_t distance = TMath::Sqrt((xc[iDigit]-x)*(xc[iDigit]-x)+(zc[iDigit]-z)*(zc[iDigit]-z)) ;
806 if(distance < distanceCut)
807 coreE += elist[iDigit] ;
808 }
809 //Apply non-linearity correction
810 return coreE ;
811}
f7d0ec90 812//________________________________________________________________________
813Double_t AliPHOSTenderSupply::EvalTOF(AliVCluster * clu,AliVCaloCells * cells){
814 //Evaluate TOF of the cluster after re-calibration
815 //TOF here is weighted average of digits
816 // -within 50ns from the most energetic cell
817 // -not too soft.
818
819
820 Double32_t * elist = clu->GetCellsAmplitudeFraction() ;
821 Int_t mulDigit=clu->GetNCells() ;
822
823 Float_t tMax= 0.; //Time at the maximum
824 Float_t eMax=0. ;
825 for(Int_t iDigit=0; iDigit<mulDigit; iDigit++) {
826 Int_t absId=clu->GetCellAbsId(iDigit) ;
827 Bool_t isHG=kTRUE ;
828 if(cells->GetCellMCLabel(absId)==-2) //This is LG digit. No statistics to calibrate LG timing, remove them from TOF calculation
829 isHG=kFALSE ;
830 if( elist[iDigit]>eMax){
831 tMax=CalibrateTOF(cells->GetCellTime(absId),absId,isHG) ;
832 eMax=elist[iDigit] ;
833 }
834 }
f7d0ec90 835
836 //Try to improve accuracy
837 //Do not account time of soft cells:
838 // const Double_t part=0.5 ;
839 Double_t eMin=TMath::Min(0.5,0.2*eMax) ;
840 Float_t wtot = 0.;
841 Double_t t = 0. ;
842 for(Int_t iDigit=0; iDigit<mulDigit; iDigit++) {
843 Int_t absId=clu->GetCellAbsId(iDigit) ;
844 Bool_t isHG=kTRUE ;
845 if(cells->GetCellMCLabel(absId)==-2) //This is LG digit. No statistics to calibrate LG timing, remove them from TOF calculation
846 isHG=kFALSE ;
847
848 Double_t ti=CalibrateTOF(cells->GetCellTime(absId),absId,isHG) ;
849 if(TMath::Abs(ti-tMax)>50.e-9) //remove soft cells with wrong time
850 continue ;
851
852 //Remove too soft cells
853 if(elist[iDigit]<eMin)
854 continue ;
855
856 if(elist[iDigit]>0){
857 //weight = 1./sigma^2
858 //Sigma is parameterization of TOF resolution 16.05.2013
859 Double_t wi2=0.;
860 if(isHG)
861 wi2=1./(2.4e-9 + 3.9e-9/elist[iDigit]) ;
862 else
863 wi2=1./(2.4e-9 + 3.9e-9/(0.1*elist[iDigit])) ; //E of LG digit is 1/16 of correcponding HG
864 t+=ti*wi2 ;
865 wtot+=wi2 ;
866 }
867 }
868 if(wtot>0){
869 t=t/wtot ;
870 }
871
872 return t ;
873
874}
875//________________________________________________________________________
876Double_t AliPHOSTenderSupply::CalibrateTOF(Double_t tof, Int_t absId, Bool_t isHG){
877 //Apply time re-calibration separately for HG and LG channels
878 //By default (if not filled) shifts are zero.
879
880 Int_t relId[4];
881 fPHOSGeo->AbsToRelNumbering(absId,relId) ;
882 Int_t module = relId[0];
883 Int_t column = relId[3];
884 Int_t row = relId[2];
885 if(isHG)
886 tof-=fPHOSCalibData->GetTimeShiftEmc(module, column, row);
887 else
888 tof-=fPHOSCalibData->GetLGTimeShiftEmc(module, column, row);
889
890 return tof ;
891
892}
393b3556 893//________________________________________________________________________
894void AliPHOSTenderSupply::DistanceToBadChannel(Int_t mod, TVector3 * locPos, Double_t &minDist){
895 //Check if distance to bad channel was reduced
896 Int_t range = minDist/2.2 +1 ; //Distance at which bad channels should be serached
897
898 Int_t relid[4]={0,0,0,0} ;
899 fPHOSGeo->RelPosToRelId(mod, locPos->X(), locPos->Z(), relid) ;
900 Int_t xmin=TMath::Max(1,relid[2]-range) ;
901 Int_t xmax=TMath::Min(64,relid[2]+range) ;
902 Int_t zmin=TMath::Max(1,relid[3]-range) ;
903 Int_t zmax=TMath::Min(56,relid[3]+range) ;
904
905 Float_t x=0.,z=0.;
906 for(Int_t ix=xmin;ix<=xmax;ix++){
907 for(Int_t iz=zmin;iz<=zmax;iz++){
908 if(fPHOSBadMap[mod]->GetBinContent(ix,iz)>0){ //Bad channel
909 Int_t relidBC[4]={mod,0,ix,iz} ;
910 fPHOSGeo->RelPosInModule(relidBC,x,z);
911 Double_t dist = TMath::Sqrt((x-locPos->X())*(x-locPos->X()) + (z-locPos->Z())*(z-locPos->Z()));
912 if(dist<minDist) minDist = dist;
913 }
914 }
915 }
916
917}
918
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