1 /**************************************************************************
\r
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
\r
4 * Author: The ALICE Off-line Project. *
\r
5 * Contributors are mentioned in the code where appropriate. *
\r
7 * Permission to use, copy, modify and distribute this software and its *
\r
8 * documentation strictly for non-commercial purposes is hereby granted *
\r
9 * without fee, provided that the above copyright notice appears in all *
\r
10 * copies and that both the copyright notice and this permission notice *
\r
11 * appear in the supporting documentation. The authors make no claims *
\r
12 * about the suitability of this software for any purpose. It is *
\r
13 * provided "as is" without express or implied warranty. *
\r
14 **************************************************************************/
\r
16 //_________________________________________________________________________
\r
17 // Base class for the cluster unfolding algorithm
\r
18 //*-- Author: Adam Matyja (SUBATECH)
\r
19 // Based on unfolding in clusterizerv1 done by Cynthia Hadjidakis
\r
20 //-- Unfolding for eta~0: Cynthia Hadjidakis - still in AliEMCALCLusterizerv1
\r
21 //-- Unfolding extension for whole EMCAL: Adam Matyja (SUBATECH & INP PAN)
\r
23 // unfolds the clusters having several local maxima.
\r
24 //////////////////////////////////////////////////////////////////////////////
\r
26 // --- ROOT system ---
\r
27 #include "TClonesArray.h"
\r
28 //#include "TTree.h"
\r
29 //#include <TFile.h>
\r
32 #include <TMinuit.h>
\r
33 //#include <TTree.h>
\r
35 //#include <TBenchmark.h>
\r
36 //#include <TBrowser.h>
\r
37 //#include <TROOT.h>
\r
39 // --- Standard library ---
\r
42 // --- AliRoot header files ---
\r
43 #include "AliEMCALUnfolding.h"
\r
44 #include "AliEMCALGeometry.h"
\r
45 #include "AliRunLoader.h"
\r
47 #include "AliEMCAL.h"
\r
48 #include "AliEMCALRecParam.h"
\r
49 #include "AliEMCALRecPoint.h"
\r
50 #include "AliEMCALDigit.h"
\r
51 #include "AliEMCALReconstructor.h"
\r
52 //#include "AliEMCALClusterizer.h"
\r
58 #include "AliCDBManager.h"
\r
59 //#include "AliCaloCalibPedestal.h"
\r
60 //#include "AliEMCALCalibData.h"
\r
61 class AliCDBStorage;
\r
62 #include "AliCDBEntry.h"
\r
64 Double_t AliEMCALUnfolding::fSSPars[8]={0.9262,3.365,1.548,0.1625,-0.4195,0.,0.,2.332};
\r
65 Double_t AliEMCALUnfolding::fPar5[3]={12.31,-0.007381,-0.06936};
\r
66 Double_t AliEMCALUnfolding::fPar6[3]={0.05452,0.0001228,0.001361};
\r
68 ClassImp(AliEMCALUnfolding)
\r
70 //____________________________________________________________________________
\r
71 AliEMCALUnfolding::AliEMCALUnfolding():
\r
72 fNumberOfECAClusters(0),
\r
78 // ctor with the indication of the file where header Tree and digits Tree are stored
\r
83 //____________________________________________________________________________
\r
84 AliEMCALUnfolding::AliEMCALUnfolding(AliEMCALGeometry* geometry):
\r
85 fNumberOfECAClusters(0),
\r
91 // ctor with the indication of the file where header Tree and digits Tree are stored
\r
92 // use this contructor to avoid usage of Init() which uses runloader
\r
93 // change needed by HLT - MP
\r
96 AliFatal("AliEMCALUnfolding: Geometry not initialized.");
\r
101 //____________________________________________________________________________
\r
102 AliEMCALUnfolding::AliEMCALUnfolding(AliEMCALGeometry* geometry,Float_t ECALocMaxCut,Double_t *SSPars,Double_t *Par5,Double_t *Par6):
\r
103 fNumberOfECAClusters(0),
\r
104 fECALocMaxCut(ECALocMaxCut),
\r
109 // ctor with the indication of the file where header Tree and digits Tree are stored
\r
110 // use this contructor to avoid usage of Init() which uses runloader
\r
111 // change needed by HLT - MP
\r
114 AliFatal("AliEMCALUnfolding: Geometry not initialized.");
\r
117 for (i = 0; i < 8; i++) fSSPars[i] = SSPars[i];
\r
118 for (i = 0; i < 3; i++) {
\r
119 fPar5[i] = Par5[i];
\r
120 fPar6[i] = Par6[i];
\r
125 //____________________________________________________________________________
\r
126 void AliEMCALUnfolding::Init()
\r
128 // Make all memory allocations which can not be done in default constructor.
\r
129 // Attach the Clusterizer task to the list of EMCAL tasks
\r
131 AliRunLoader *rl = AliRunLoader::Instance();
\r
132 if (rl && rl->GetAliRun()){
\r
133 AliEMCAL* emcal = dynamic_cast<AliEMCAL*>(rl->GetAliRun()->GetDetector("EMCAL"));
\r
134 if(emcal)fGeom = emcal->GetGeometry();
\r
138 fGeom = AliEMCALGeometry::GetInstance(AliEMCALGeometry::GetDefaultGeometryName());
\r
140 AliDebug(1,Form("geom %p",fGeom));
\r
143 gMinuit = new TMinuit(100) ;
\r
147 //____________________________________________________________________________
\r
148 AliEMCALUnfolding::~AliEMCALUnfolding()
\r
153 //____________________________________________________________________________
\r
154 void AliEMCALUnfolding::SetInput(Int_t numberOfECAClusters,TObjArray *recPoints,TClonesArray *digitsArr)
\r
157 //Set input for unfolding purposes
\r
158 SetNumberOfECAClusters(numberOfECAClusters);
\r
159 SetRecPoints(recPoints);
\r
160 SetDigitsArr(digitsArr);
\r
163 //____________________________________________________________________________
\r
164 void AliEMCALUnfolding::MakeUnfolding()
\r
166 // Unfolds clusters using the shape of an ElectroMagnetic shower
\r
167 // Performs unfolding of all clusters
\r
169 if(fNumberOfECAClusters > 0){
\r
171 AliFatal("Did not get geometry from EMCALLoader") ;
\r
172 //Int_t nModulesToUnfold = fGeom->GetNCells();
\r
174 Int_t numberofNotUnfolded = fNumberOfECAClusters ;
\r
176 for(index = 0 ; index < numberofNotUnfolded ; index++){
\r
177 AliEMCALRecPoint * recPoint = dynamic_cast<AliEMCALRecPoint *>( fRecPoints->At(index) ) ;
\r
179 //do we really need it?
\r
181 // Int_t absId = -1;
\r
182 // recPoint->GetGlobalPosition(gpos);
\r
183 // fGeom->GetAbsCellIdFromEtaPhi(gpos.Eta(),gpos.Phi(),absId);
\r
184 // if(absId > nModulesToUnfold)
\r
187 Int_t nMultipl = recPoint->GetMultiplicity() ;
\r
188 AliEMCALDigit ** maxAt = new AliEMCALDigit*[nMultipl] ;
\r
189 Float_t * maxAtEnergy = new Float_t[nMultipl] ;
\r
190 Int_t nMax = recPoint->GetNumberOfLocalMax(maxAt, maxAtEnergy,fECALocMaxCut,fDigitsArr) ;
\r
192 if( nMax > 1 ) { // if cluster is very flat (no pronounced maximum) then nMax = 0
\r
193 if(UnfoldClusterV2(recPoint, nMax, maxAt, maxAtEnergy) ){
\r
194 fRecPoints->Remove(recPoint);
\r
195 fRecPoints->Compress() ;//is it really needed
\r
197 fNumberOfECAClusters-- ;
\r
198 numberofNotUnfolded-- ;
\r
202 recPoint->SetNExMax(1) ; //Only one local maximum
\r
206 delete[] maxAtEnergy ;
\r
207 } else AliError("RecPoint NULL");
\r
208 } // rec point loop
\r
210 // End of Unfolding of clusters
\r
213 //____________________________________________________________________________
\r
214 Bool_t AliEMCALUnfolding::UnfoldClusterV2(AliEMCALRecPoint * iniTower,
\r
216 AliEMCALDigit ** maxAt,
\r
217 Float_t * maxAtEnergy)
\r
219 // Extended to whole EMCAL
\r
220 // Performs the unfolding of a cluster with nMax overlapping showers
\r
222 Int_t nPar = 3 * nMax ;
\r
223 Float_t * fitparameters = new Float_t[nPar] ;
\r
226 AliFatal("Did not get geometry from EMCALLoader") ;
\r
228 Bool_t rv = FindFitV2(iniTower, maxAt, maxAtEnergy, nPar, fitparameters) ;
\r
230 // Fit failed, return (and remove cluster? - why? I leave the cluster)
\r
231 iniTower->SetNExMax(-1) ;
\r
232 delete[] fitparameters ;
\r
236 // create unfolded rec points and fill them with new energy lists
\r
237 // First calculate energy deposited in each sell in accordance with
\r
238 // fit (without fluctuations): efit[]
\r
239 // and later correct this number in acordance with actual energy
\r
242 Int_t nDigits = iniTower->GetMultiplicity() ;
\r
243 Float_t * efit = new Float_t[nDigits] ;//new fitted energy in cells
\r
244 Float_t xpar=0.,zpar=0.,epar=0. ;//center of gravity in cell units
\r
246 AliEMCALDigit * digit = 0 ;
\r
247 Int_t * digitsList = iniTower->GetDigitsList() ;
\r
249 Int_t iSupMod = 0 ;
\r
253 Int_t iphi = 0 ;//x direction
\r
254 Int_t ieta = 0 ;//z direstion
\r
259 for(iDigit = 0 ; iDigit < nDigits ; iDigit ++){
\r
260 digit = dynamic_cast<AliEMCALDigit*>( fDigitsArr->At(digitsList[iDigit] ) ) ;
\r
262 fGeom->GetCellIndex(digit->GetId(),iSupMod,iTower,iIphi,iIeta);
\r
263 fGeom->GetCellPhiEtaIndexInSModule(iSupMod,iTower,
\r
264 iIphi, iIeta,iphi,ieta);
\r
265 EvalParsPhiDependence(digit->GetId(),fGeom);
\r
269 while(iparam < nPar ){
\r
270 xpar = fitparameters[iparam] ;
\r
271 zpar = fitparameters[iparam+1] ;
\r
272 epar = fitparameters[iparam+2] ;
\r
275 efit[iDigit] += epar * ShowerShapeV2((Float_t)iphi - xpar,(Float_t)ieta - zpar) ;
\r
277 } else AliError("Digit NULL!");
\r
281 // Now create new RecPoints and fill energy lists with efit corrected to fluctuations
\r
282 // so that energy deposited in each cell is distributed between new clusters proportionally
\r
283 // to its contribution to efit
\r
285 Float_t * energiesList = iniTower->GetEnergiesList() ;
\r
286 Float_t ratio = 0 ;
\r
289 while(iparam < nPar ){
\r
290 xpar = fitparameters[iparam] ;
\r
291 zpar = fitparameters[iparam+1] ;
\r
292 epar = fitparameters[iparam+2] ;
\r
295 AliEMCALRecPoint * recPoint = 0 ;
\r
297 if(fNumberOfECAClusters >= fRecPoints->GetSize())
\r
298 fRecPoints->Expand(2*fNumberOfECAClusters) ;
\r
301 (*fRecPoints)[fNumberOfECAClusters] = new AliEMCALRecPoint("") ;
\r
302 recPoint = dynamic_cast<AliEMCALRecPoint *>( fRecPoints->At(fNumberOfECAClusters) ) ;
\r
306 fNumberOfECAClusters++ ;
\r
307 recPoint->SetNExMax((Int_t)nPar/3) ;
\r
309 Float_t eDigit = 0. ;
\r
310 for(iDigit = 0 ; iDigit < nDigits ; iDigit ++){
\r
311 digit = dynamic_cast<AliEMCALDigit*>( fDigitsArr->At( digitsList[iDigit] ) ) ;
\r
313 fGeom->GetCellIndex(digit->GetId(),iSupMod,iTower,iIphi,iIeta);
\r
314 fGeom->GetCellPhiEtaIndexInSModule(iSupMod,iTower,
\r
315 iIphi, iIeta,iphi,ieta);
\r
316 EvalParsPhiDependence(digit->GetId(),fGeom);
\r
317 if(efit[iDigit]==0) continue;//just for sure
\r
318 ratio = epar * ShowerShapeV2((Float_t)iphi - xpar,(Float_t)ieta - zpar) / efit[iDigit] ;
\r
319 eDigit = energiesList[iDigit] * ratio ;
\r
320 recPoint->AddDigit( *digit, eDigit, kFALSE ) ; //FIXME, need to study the shared case
\r
321 } else AliError("NULL digit");
\r
323 } else AliError("NULL RecPoint");
\r
326 delete[] fitparameters ;
\r
332 //____________________________________________________________________________
\r
333 Bool_t AliEMCALUnfolding::FindFitV2(AliEMCALRecPoint * recPoint, AliEMCALDigit ** maxAt,
\r
334 const Float_t* maxAtEnergy,
\r
335 Int_t nPar, Float_t * fitparameters) const
\r
337 // Calls TMinuit to fit the energy distribution of a cluster with several maxima
\r
338 // The initial values for fitting procedure are set equal to the
\r
339 // positions of local maxima.
\r
340 // Cluster will be fitted as a superposition of nPar/3
\r
341 // electromagnetic showers
\r
343 if (fGeom==0) AliFatal("Did not get geometry from EMCALLoader");
\r
346 gMinuit = new TMinuit(100) ;//max 100 parameters
\r
348 gMinuit->mncler(); // Reset Minuit's list of paramters
\r
349 gMinuit->SetPrintLevel(-1) ; // No Printout
\r
350 gMinuit->SetFCN(AliEMCALUnfolding::UnfoldingChiSquareV2) ;
\r
351 // To set the address of the minimization function
\r
352 TList * toMinuit = new TList();
\r
353 toMinuit->AddAt(recPoint,0) ;
\r
354 toMinuit->AddAt(fDigitsArr,1) ;
\r
355 toMinuit->AddAt(fGeom,2) ;
\r
357 gMinuit->SetObjectFit(toMinuit) ; // To tranfer pointer to UnfoldingChiSquare
\r
359 // filling initial values for fit parameters
\r
360 AliEMCALDigit * digit ;
\r
364 Int_t nDigits = (Int_t) nPar / 3 ;
\r
368 Int_t iSupMod = 0 ;
\r
372 Int_t iphi = 0 ;//x direction
\r
373 Int_t ieta = 0 ;//z direstion
\r
375 for(iDigit = 0; iDigit < nDigits; iDigit++){
\r
376 digit = maxAt[iDigit];
\r
377 fGeom->GetCellIndex(digit->GetId(),iSupMod,iTower,iIphi,iIeta);
\r
378 fGeom->GetCellPhiEtaIndexInSModule(iSupMod,iTower,
\r
379 iIphi, iIeta,iphi,ieta);
\r
381 Float_t energy = maxAtEnergy[iDigit] ;
\r
383 //gMinuit->mnparm(index, "x", iphi, 0.1, 0, 0, ierflg) ;//original
\r
384 gMinuit->mnparm(index, "x", iphi, 0.05, 0, 0, ierflg) ;
\r
387 Error("FindFit", "EMCAL Unfolding Unable to set initial value for fit procedure : x = %d", iphi ) ;
\r
392 //gMinuit->mnparm(index, "z", ieta, 0.1, 0, 0, ierflg) ;//original
\r
393 gMinuit->mnparm(index, "z", ieta, 0.05, 0, 0, ierflg) ;
\r
396 Error("FindFit", "EMCAL Unfolding Unable to set initial value for fit procedure : z = %d", ieta) ;
\r
401 //gMinuit->mnparm(index, "Energy", energy , 0.05*energy, 0., 4.*energy, ierflg) ;//original
\r
402 gMinuit->mnparm(index, "Energy", energy , 0.001*energy, 0., 5.*energy, ierflg) ;//was 0.05
\r
405 Error("FindFit", "EMCAL Unfolding Unable to set initial value for fit procedure : energy = %f", energy) ;
\r
412 Double_t p0 = 0.1 ; // "Tolerance" Evaluation stops when EDM = 0.0001*p0 ;
\r
413 // The number of function call slightly depends on it.
\r
414 // Double_t p1 = 1.0 ;// par to gradient
\r
415 Double_t p2 = 0.0 ;
\r
416 // Double_t p3 = 3.0 ;
\r
417 gMinuit->mnexcm("SET STR", &p2, 0, ierflg) ; // force TMinuit to reduce function calls
\r
418 // gMinuit->mnexcm("SET GRA", &p1, 1, ierflg) ; // force TMinuit to use my gradient
\r
419 gMinuit->SetMaxIterations(5);//was 5
\r
420 gMinuit->mnexcm("SET NOW", &p2 , 0, ierflg) ; // No Warnings
\r
421 //gMinuit->mnexcm("SET PRI", &p3 , 3, ierflg) ; // printouts
\r
423 gMinuit->mnexcm("MIGRAD", &p0, 0, ierflg) ; // minimize
\r
424 //gMinuit->mnexcm("MINI", &p0, 0, ierflg) ; // minimize
\r
425 if(ierflg == 4){ // Minimum not found
\r
426 Error("FindFit", "EMCAL Unfolding Fit not converged, cluster abandoned " ) ;
\r
431 for(index = 0; index < nPar; index++){
\r
432 Double_t err = 0. ;
\r
433 Double_t val = 0. ;
\r
434 gMinuit->GetParameter(index, val, err) ; // Returns value and error of parameter index
\r
435 fitparameters[index] = val ;
\r
444 //____________________________________________________________________________
\r
445 Double_t AliEMCALUnfolding::ShowerShapeV2(Double_t x, Double_t y)
\r
447 // extended to whole EMCAL
\r
448 // Shape of the shower
\r
449 // If you change this function, change also the gradient evaluation in ChiSquare()
\r
451 Double_t r = fSSPars[7]*TMath::Sqrt(x*x+y*y);
\r
452 Double_t rp1 = TMath::Power(r, fSSPars[1]) ;
\r
453 Double_t rp5 = TMath::Power(r, fSSPars[5]) ;
\r
454 Double_t shape = fSSPars[0]*TMath::Exp( -rp1 * (1. / (fSSPars[2] + fSSPars[3] * rp1) + fSSPars[4] / (1 + fSSPars[6] * rp5) ) ) ;
\r
458 //____________________________________________________________________________
\r
459 void AliEMCALUnfolding::UnfoldingChiSquareV2(Int_t & nPar, Double_t * Grad,
\r
461 Double_t * x, Int_t iflag)
\r
463 // Calculates the Chi square for the cluster unfolding minimization
\r
464 // Number of parameters, Gradient, Chi squared, parameters, what to do
\r
466 TList * toMinuit = dynamic_cast<TList*>( gMinuit->GetObjectFit() ) ;
\r
468 AliEMCALRecPoint * recPoint = dynamic_cast<AliEMCALRecPoint*>( toMinuit->At(0) ) ;
\r
469 TClonesArray * digits = dynamic_cast<TClonesArray*>( toMinuit->At(1) ) ;
\r
470 // A bit buggy way to get an access to the geometry
\r
472 AliEMCALGeometry *geom = dynamic_cast<AliEMCALGeometry *>(toMinuit->At(2));
\r
474 if(recPoint && digits && geom){
\r
476 Int_t * digitsList = recPoint->GetDigitsList() ;
\r
478 Int_t nOdigits = recPoint->GetDigitsMultiplicity() ;
\r
480 Float_t * energiesList = recPoint->GetEnergiesList() ;
\r
486 for(iparam = 0 ; iparam < nPar ; iparam++)
\r
487 Grad[iparam] = 0 ; // Will evaluate gradient
\r
489 Double_t efit = 0. ;
\r
491 AliEMCALDigit * digit ;
\r
494 Int_t iSupMod = 0 ;
\r
498 Int_t iphi = 0 ;//x direction
\r
499 Int_t ieta = 0 ;//z direstion
\r
502 for( iDigit = 0 ; iDigit < nOdigits ; iDigit++) {
\r
503 if(energiesList[iDigit]==0) continue;
\r
505 digit = dynamic_cast<AliEMCALDigit*>( digits->At( digitsList[iDigit] ) );
\r
508 geom->GetCellIndex(digit->GetId(),iSupMod,iTower,iIphi,iIeta);
\r
509 geom->GetCellPhiEtaIndexInSModule(iSupMod,iTower,
\r
510 iIphi, iIeta,iphi,ieta);
\r
511 EvalParsPhiDependence(digit->GetId(),geom);
\r
513 if(iflag == 2){ // calculate gradient
\r
516 while(iParam < nPar ){
\r
517 Double_t dx = ((Float_t)iphi - x[iParam]) ;
\r
519 Double_t dz = ((Float_t)ieta - x[iParam]) ;
\r
521 efit += x[iParam] * ShowerShapeV2(dx,dz) ;
\r
525 Double_t sum = 2. * (efit - energiesList[iDigit]) / energiesList[iDigit] ; // Here we assume, that sigma = sqrt(E)
\r
527 while(iParam < nPar ){
\r
528 Double_t xpar = x[iParam] ;
\r
529 Double_t zpar = x[iParam+1] ;
\r
530 Double_t epar = x[iParam+2] ;
\r
532 Double_t dr = fSSPars[7]*TMath::Sqrt( ((Float_t)iphi - xpar) * ((Float_t)iphi - xpar) + ((Float_t)ieta - zpar) * ((Float_t)ieta - zpar) );
\r
533 Double_t shape = sum * ShowerShapeV2((Float_t)iphi - xpar,(Float_t)ieta - zpar) ;
\r
534 Double_t rp1 = TMath::Power(dr, fSSPars[1]) ;
\r
535 Double_t rp5 = TMath::Power(dr, fSSPars[5]) ;
\r
537 Double_t deriv = -2 * TMath::Power(dr,fSSPars[1]-2.) * fSSPars[7] * fSSPars[7] *
\r
538 (fSSPars[1] * ( 1/(fSSPars[2]+fSSPars[3]*rp1) + fSSPars[4]/(1+fSSPars[6]*rp5) ) -
\r
539 (fSSPars[1]*fSSPars[3]*rp1/( (fSSPars[2]+fSSPars[3]*rp1)*(fSSPars[2]+fSSPars[3]*rp1) ) +
\r
540 fSSPars[4]*fSSPars[5]*fSSPars[6]*rp5/( (1+fSSPars[6]*rp5)*(1+fSSPars[6]*rp5) ) ) );
\r
542 //Double_t deriv =-1.33 * TMath::Power(dr,0.33)*dr * ( 1.57 / ( (1.57 + 0.0860 * r133) * (1.57 + 0.0860 * r133) )
\r
543 // - 0.55 / (1 + 0.000563 * r669) / ( (1 + 0.000563 * r669) * (1 + 0.000563 * r669) ) ) ;
\r
545 Grad[iParam] += epar * shape * deriv * ((Float_t)iphi - xpar) ; // Derivative over x
\r
547 Grad[iParam] += epar * shape * deriv * ((Float_t)ieta - zpar) ; // Derivative over z
\r
549 Grad[iParam] += shape ; // Derivative over energy
\r
556 while(iparam < nPar ){
\r
557 Double_t xpar = x[iparam] ;
\r
558 Double_t zpar = x[iparam+1] ;
\r
559 Double_t epar = x[iparam+2] ;
\r
561 efit += epar * ShowerShapeV2((Float_t)iphi - xpar,(Float_t)ieta - zpar) ;
\r
564 fret += (efit-energiesList[iDigit])*(efit-energiesList[iDigit])/energiesList[iDigit] ;
\r
565 // Here we assume, that sigma = sqrt(E)
\r
566 } else printf("AliEMCALUnfoding::UnfoldingChiSquareV2 - NULL digit!\n");
\r
568 } // recpoint, digits and geom not NULL
\r
569 }// List is not NULL
\r
574 //____________________________________________________________________________
\r
575 void AliEMCALUnfolding::SetShowerShapeParams(Double_t *pars){
\r
576 for(UInt_t i=0;i<7;++i)
\r
577 fSSPars[i]=pars[i];
\r
578 if(pars[2]==0. && pars[3]==0.) fSSPars[2]=1.;//to avoid dividing by 0
\r
581 //____________________________________________________________________________
\r
582 void AliEMCALUnfolding::SetPar5(Double_t *pars){
\r
583 for(UInt_t i=0;i<3;++i)
\r
587 //____________________________________________________________________________
\r
588 void AliEMCALUnfolding::SetPar6(Double_t *pars){
\r
589 for(UInt_t i=0;i<3;++i)
\r
593 //____________________________________________________________________________
\r
594 void AliEMCALUnfolding::EvalPar5(Double_t phi){
\r
596 //Evaluate the 5th parameter of the shower shape function
\r
597 //phi in degrees range (-10,10)
\r
599 //fSSPars[5] = 12.31 - phi*0.007381 - phi*phi*0.06936;
\r
600 fSSPars[5] = fPar5[0] + phi * fPar5[1] + phi*phi * fPar5[2];
\r
603 //____________________________________________________________________________
\r
604 void AliEMCALUnfolding::EvalPar6(Double_t phi){
\r
606 //Evaluate the 6th parameter of the shower shape function
\r
607 //phi in degrees range (-10,10)
\r
609 //fSSPars[6] = 0.05452 + phi*0.0001228 + phi*phi*0.001361;
\r
610 fSSPars[6] = fPar6[0] + phi * fPar6[1] + phi*phi * fPar6[2];
\r
613 //____________________________________________________________________________
\r
614 void AliEMCALUnfolding::EvalParsPhiDependence(Int_t absId, AliEMCALGeometry *geom){
\r
616 // calculate params p5 and p6 depending on the phi angle in global coordinate
\r
617 // for the cell with given absId index
\r
619 Double_t etaGlob = 0.;//eta in global c.s. - unused
\r
620 Double_t phiGlob = 0.;//phi in global c.s. in radians
\r
621 geom->EtaPhiFromIndex(absId, etaGlob, phiGlob);
\r
622 phiGlob*=180./TMath::Pi();
\r
624 phiGlob-= (Double_t)((Int_t)geom->GetSuperModuleNumber(absId)/2 * 20);
\r