1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 *
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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 **************************************************************************/
18 //_________________________________________________________________________
19 // Geometry class for EMCAL : singleton
20 // EMCAL consists of layers of scintillator and lead
21 // Places the the Barrel Geometry of The EMCAL at Midrapidity
22 // between 80 and 180(or 190) degrees of Phi and
24 // Number of Modules and Layers may be controlled by
25 // the name of the instance defined
26 //*-- Author: Sahal Yacoob (LBL / UCT)
27 // and : Yves Schutz (SUBATECH)
28 // and : Jennifer Klay (LBL)
29 // SHASHLYK : Aleksei Pavlinov (WSU)
30 // SuperModules -> module(or tower) -> cell
32 // --- AliRoot header files ---
34 #include "Riostream.h"
39 #include <TObjArray.h>
40 #include <TGeoManager.h>
42 #include <TGeoMatrix.h>
44 #include <TObjString.h>
45 #include <TClonesArray.h>
48 //#include "AliConst.h"
51 #include "AliEMCALGeometry.h"
52 #include "AliEMCALShishKebabTrd1Module.h"
53 //#include "AliRecPoint.h"
54 #include "AliEMCALRecPoint.h"
55 #include "AliEMCALDigit.h"
56 #include "AliEMCALHistoUtilities.h"
57 #include "AliEMCALAlignData.h"
59 ClassImp(AliEMCALGeometry)
61 // these initialisations are needed for a singleton
62 AliEMCALGeometry *AliEMCALGeometry::fgGeom = 0;
63 Bool_t AliEMCALGeometry::fgInit = kFALSE;
64 AliEMCALAlignData *AliEMCALGeometry::fgAlignData = 0;
66 TString name; // contains name of geometry
68 char *additionalOpts[]={"nl=", // number of sampling layers
69 "pbTh=", // cm, Thickness of the Pb
70 "scTh=" // cm, Thickness of the Sc
72 int nAdditionalOpts = sizeof(additionalOpts) / sizeof(char*);
74 //______________________________________________________________________
75 AliEMCALGeometry::~AliEMCALGeometry(void){
78 //______________________________________________________________________
79 void AliEMCALGeometry::Init(void){
80 // Initializes the EMCAL parameters
81 // naming convention : GUV_WX_N_ gives the composition of a tower
82 // WX inform about the composition of the EM calorimeter section:
83 // thickness in mm of Pb radiator (W) and of scintillator (X), and number of scintillator layers (N)
84 // New geometry: EMCAL_55_25
85 // 24-aug-04 for shish-kebab
86 // SHISH_25 or SHISH_62
87 // 11-oct-05 - correction for pre final design
88 // Feb 06,2006 - decrease the weight of EMCAL
89 fgInit = kFALSE; // Assume failed until proven otherwise.
93 if(name.Contains("110DEG")) fKey110DEG = 1; // for GetAbsCellId
94 fShishKebabTrd1Modules = 0;
95 fTrd2AngleY = f2Trd2Dy2 = fEmptySpace = fTubsR = fTubsTurnAngle = 0;
97 fNZ = 114; // granularity along Z (eta)
98 fNPhi = 168; // granularity in phi (azimuth)
99 fArm1PhiMin = 60.0; // degrees, Starting EMCAL Phi position
100 fArm1PhiMax = 180.0; // degrees, Ending EMCAL Phi position
101 fArm1EtaMin = -0.7; // pseudorapidity, Starting EMCAL Eta position
102 fArm1EtaMax = +0.7; // pseudorapidity, Ending EMCAL Eta position
103 fIPDistance = 454.0; // cm, Radial distance to inner surface of EMCAL
104 fPhiGapForSM = 0.; // cm, only for final TRD1 geometry
105 for(int i=0; i<12; i++) fMatrixOfSM[i] = 0;
108 if(name.Contains("SHISH")){ // Only shahslyk now
109 // 7-sep-05; integration issue
110 fArm1PhiMin = 80.0; // 60 -> 80
111 fArm1PhiMax = 180.0; // 180 -> 190
113 fNumberOfSuperModules = 10; // 12 = 6 * 2 (6 in phi, 2 in Z);
114 fSteelFrontThick = 2.54; // 9-sep-04
116 fFrontSteelStrip = fPassiveScintThick = 0.0; // 13-may-05
117 fLateralSteelStrip = 0.025; // before MAY 2005
118 fPhiModuleSize = fEtaModuleSize = 11.4;
119 fPhiTileSize = fEtaTileSize = 5.52; // (11.4-5.52*2)/2. = 0.18 cm (wall thickness)
122 fAlFrontThick = fGap2Active = 0;
123 fNPHIdiv = fNETAdiv = 2;
126 fECScintThick = fECPbRadThickness = 0.2;
127 fSampling = 1.; // 30-aug-04 - should be calculated
128 if(name.Contains("TWIST")) { // all about EMCAL module
129 fNZ = 27; // 16-sep-04
130 } else if(name.Contains("TRD")) {
131 fIPDistance = 428.0; // 11-may-05
132 fSteelFrontThick = 0.0; // 3.17 -> 0.0; 28-mar-05 : no stell plate
135 fPhiModuleSize = fEtaModuleSize = 12.26;
136 fNZ = 26; // 11-oct-04
137 fTrd1Angle = 1.3; // in degree
138 // 18-nov-04; 1./0.08112=12.327
139 // http://pdsfweb01.nersc.gov/~pavlinov/ALICE/SHISHKEBAB/RES/linearityAndResolutionForTRD1.html
140 if(name.Contains("TRD1")) { // 30-jan-05
142 fPhiGapForSM = 2.; // cm, only for final TRD1 geometry
143 if(name.Contains("MAY05") || name.Contains("WSUC") || name.Contains("FINAL")){
144 fNumberOfSuperModules = 12; // 20-may-05
145 if(name.Contains("WSUC")) fNumberOfSuperModules = 1; // 27-may-05
146 fNECLayers = 77; // (13-may-05 from V.Petrov)
147 fPhiModuleSize = 12.5; // 20-may-05 - rectangular shape
148 fEtaModuleSize = 11.9;
149 fECScintThick = fECPbRadThickness = 0.16;// (13-may-05 from V.Petrov)
150 fFrontSteelStrip = 0.025;// 0.025cm = 0.25mm (13-may-05 from V.Petrov)
151 fLateralSteelStrip = 0.01; // 0.01cm = 0.1mm (13-may-05 from V.Petrov) - was 0.025
152 fPassiveScintThick = 0.8; // 0.8cm = 8mm (13-may-05 from V.Petrov)
154 fTrd1Angle = 1.5; // 1.3 or 1.5
156 if(name.Contains("FINAL")) { // 9-sep-05
157 fNumberOfSuperModules = 10;
158 if(name.Contains("110DEG")) {
159 fNumberOfSuperModules = 12;// last two modules have size 10 degree in phi (180<phi<190)
160 fArm1PhiMax = 200.0; // for XEN1 and turn angle of super modules
162 fPhiModuleSize = 12.26 - fPhiGapForSM / Float_t(fNPhi); // first assumption
163 fEtaModuleSize = fPhiModuleSize;
164 if(name.Contains("HUGE")) fNECLayers *= 3; // 28-oct-05 for analysing leakage
167 } else if(name.Contains("TRD2")) { // 30-jan-05
168 fSteelFrontThick = 0.0; // 11-mar-05
169 fIPDistance+= fSteelFrontThick; // 1-feb-05 - compensate absence of steel plate
170 fTrd1Angle = 1.64; // 1.3->1.64
171 fTrd2AngleY = fTrd1Angle; // symmetric case now
172 fEmptySpace = 0.2; // 2 mm
173 fTubsR = fIPDistance; // 31-jan-05 - as for Fred case
175 fPhiModuleSize = fTubsR*2.*TMath::Tan(fTrd2AngleY*TMath::DegToRad()/2.);
176 fPhiModuleSize -= fEmptySpace/2.; // 11-mar-05
177 fEtaModuleSize = fPhiModuleSize; // 20-may-05
180 fNPHIdiv = fNETAdiv = 2; // 13-oct-04 - division again
181 if(name.Contains("3X3")) { // 23-nov-04
182 fNPHIdiv = fNETAdiv = 3;
183 } else if(name.Contains("4X4")) {
184 fNPHIdiv = fNETAdiv = 4;
187 fPhiTileSize = fPhiModuleSize/2. - fLateralSteelStrip; // 13-may-05
188 fEtaTileSize = fEtaModuleSize/2. - fLateralSteelStrip; // 13-may-05
190 if(name.Contains("25")){
192 fECScintThick = fECPbRadThickness = 0.5;
194 if(name.Contains("WSUC")){ // 18-may-05 - about common structure
195 fShellThickness = 30.; // should be change
199 CheckAditionalOptions();
201 // constant for transition absid <--> indexes
202 fNCellsInTower = fNPHIdiv*fNETAdiv;
203 fNCellsInSupMod = fNCellsInTower*fNPhi*fNZ;
204 fNCells = fNCellsInSupMod*fNumberOfSuperModules;
205 if(name.Contains("110DEG")) fNCells -= fNCellsInSupMod;
207 fLongModuleSize = fNECLayers*(fECScintThick + fECPbRadThickness);
208 if(name.Contains("MAY05")) fLongModuleSize += (fFrontSteelStrip + fPassiveScintThick);
211 if(name.Contains("TRD")) {
212 f2Trd1Dx2 = fEtaModuleSize + 2.*fLongModuleSize*TMath::Tan(fTrd1Angle*TMath::DegToRad()/2.);
213 if(name.Contains("TRD2")) { // 27-jan-05
214 f2Trd2Dy2 = fPhiModuleSize + 2.*fLongModuleSize*TMath::Tan(fTrd2AngleY*TMath::DegToRad()/2.);
217 } else Fatal("Init", "%s is an undefined geometry!", name.Data()) ;
219 fNPhiSuperModule = fNumberOfSuperModules/2;
220 if(fNPhiSuperModule<1) fNPhiSuperModule = 1;
221 //There is always one more scintillator than radiator layer because of the first block of aluminium
222 fShellThickness = fAlFrontThick + fGap2Active + fNECLayers*GetECScintThick()+(fNECLayers-1)*GetECPbRadThick();
223 if(name.Contains("SHISH")) {
224 fShellThickness = fSteelFrontThick + fLongModuleSize;
225 if(name.Contains("TWIST")) { // 13-sep-04
226 fShellThickness = TMath::Sqrt(fLongModuleSize*fLongModuleSize + fPhiModuleSize*fEtaModuleSize);
227 fShellThickness += fSteelFrontThick;
228 } else if(name.Contains("TRD")) { // 1-oct-04
229 fShellThickness = TMath::Sqrt(fLongModuleSize*fLongModuleSize + f2Trd1Dx2*f2Trd1Dx2);
230 fShellThickness += fSteelFrontThick;
232 fParSM[0] = GetShellThickness()/2.;
233 fParSM[1] = GetPhiModuleSize() * GetNPhi()/2.;
238 fZLength = 2.*ZFromEtaR(fIPDistance+fShellThickness,fArm1EtaMax); // Z coverage
239 fEnvelop[0] = fIPDistance; // mother volume inner radius
240 fEnvelop[1] = fIPDistance + fShellThickness; // mother volume outer r.
241 fEnvelop[2] = 1.00001*fZLength; // add some padding for mother volume.
243 if(fgAlignData != NULL) {
244 // Number of modules is read from Alignment DB if exists
245 fNumberOfSuperModules = fgAlignData->GetNSuperModules();
251 printf("Init: geometry of EMCAL named %s is as follows:\n", name.Data());
252 printf( " ECAL : %d x (%f cm Pb, %f cm Sc) \n",
253 GetNECLayers(), GetECPbRadThick(), GetECScintThick() ) ;
254 printf(" fSampling %5.2f \n", fSampling );
255 if(name.Contains("SHISH")){
256 printf(" fIPDistance %6.3f cm \n", fIPDistance);
257 if(fSteelFrontThick>0.)
258 printf(" fSteelFrontThick %6.3f cm \n", fSteelFrontThick);
259 printf(" fNPhi %i | fNZ %i \n", fNPhi, fNZ);
260 printf(" fNCellsInTower %i : fNCellsInSupMod %i : fNCells %i\n",fNCellsInTower, fNCellsInSupMod, fNCells);
261 if(name.Contains("MAY05")){
262 printf(" fFrontSteelStrip %6.4f cm (thickness of front steel strip)\n",
264 printf(" fLateralSteelStrip %6.4f cm (thickness of lateral steel strip)\n",
266 printf(" fPassiveScintThick %6.4f cm (thickness of front passive Sc tile)\n",
269 printf(" X:Y module size %6.3f , %6.3f cm \n", fPhiModuleSize, fEtaModuleSize);
270 printf(" X:Y tile size %6.3f , %6.3f cm \n", fPhiTileSize, fEtaTileSize);
271 printf(" #of sampling layers %i(fNECLayers) \n", fNECLayers);
272 printf(" fLongModuleSize %6.3f cm \n", fLongModuleSize);
273 printf(" #supermodule in phi direction %i \n", fNPhiSuperModule );
275 if(name.Contains("TRD")) {
276 printf(" fTrd1Angle %7.4f\n", fTrd1Angle);
277 printf(" f2Trd1Dx2 %7.4f\n", f2Trd1Dx2);
278 if(name.Contains("TRD2")) {
279 printf(" fTrd2AngleY %7.4f\n", fTrd2AngleY);
280 printf(" f2Trd2Dy2 %7.4f\n", f2Trd2Dy2);
281 printf(" fTubsR %7.2f cm\n", fTubsR);
282 printf(" fTubsTurnAngle %7.4f\n", fTubsTurnAngle);
283 printf(" fEmptySpace %7.4f cm\n", fEmptySpace);
284 } else if(name.Contains("TRD1") && name.Contains("FINAL")){
285 printf("SM dimensions(TRD1) : dx %7.2f dy %7.2f dz %7.2f (SMOD, BOX)\n",
286 fParSM[0],fParSM[1],fParSM[2]);
287 printf(" fPhiGapForSM %7.4f cm \n", fPhiGapForSM);
288 if(name.Contains("110DEG"))printf(" Last two modules have size 10 degree in phi (180<phi<190)\n");
291 printf("Granularity: %d in eta and %d in phi\n", GetNZ(), GetNPhi()) ;
292 printf("Layout: phi = (%7.1f, %7.1f), eta = (%5.2f, %5.2f), IP = %7.2f\n",
293 GetArm1PhiMin(), GetArm1PhiMax(),GetArm1EtaMin(), GetArm1EtaMax(), GetIPDistance() );
295 //TRU parameters. These parameters values are not the final ones.
301 //______________________________________________________________________
303 void AliEMCALGeometry::CheckAditionalOptions()
305 fArrayOpts = new TObjArray;
306 Int_t nopt = AliEMCALHistoUtilities::ParseString(name, *fArrayOpts);
307 if(nopt==1) { // no aditional option(s)
308 fArrayOpts->Delete();
313 for(Int_t i=1; i<nopt; i++){
314 TObjString *o = (TObjString*)fArrayOpts->At(i);
316 TString addOpt = o->String();
318 for(Int_t j=0; j<nAdditionalOpts; j++) {
319 TString opt = additionalOpts[j];
320 if(addOpt.Contains(opt,TString::kIgnoreCase)) {
326 printf("<E> option |%s| unavailable : ** look to the file AliEMCALGeometry.h **\n",
330 printf("<I> option |%s| is valid : number %i : |%s|\n",
331 addOpt.Data(), indj, additionalOpts[indj]);
332 if (addOpt.Contains("NL=",TString::kIgnoreCase)) {// number of sampling layers
333 sscanf(addOpt.Data(),"NL=%i", &fNECLayers);
334 printf(" fNECLayers %i (new) \n", fNECLayers);
335 } else if(addOpt.Contains("PBTH=",TString::kIgnoreCase)) {//Thickness of the Pb
336 sscanf(addOpt.Data(),"PBTH=%f", &fECPbRadThickness);
337 } else if(addOpt.Contains("SCTH=",TString::kIgnoreCase)) {//Thickness of the Sc
338 sscanf(addOpt.Data(),"SCTH=%f", &fECScintThick);
344 //____________________________________________________________________________
345 TClonesArray * AliEMCALGeometry::FillTRU(const TClonesArray * digits) {
348 //Orders digits ampitudes list in fNTRU TRUs (384 cells) per supermodule.
349 //Each TRU is a TMatrixD, and they are kept in TClonesArrays. The number of
350 //TRU in phi is fNTRUPhi, and the number of TRU in eta is fNTRUEta. For the
351 //moment the TRU of the 2 smaller supermodules are considered to be equal
356 if(fNTRUEta*fNTRUPhi != fNTRU)
357 Error("FillTRU"," Wrong number of TRUS per Eta or Phi");
359 //Initilize variables
360 //List of TRU matrices initialized to 0.
361 Int_t nCellsPhi = fNPhi*2/fNTRUPhi;
362 Int_t nCellsEta = fNZ*2/fNTRUEta;
363 TClonesArray * matrix = new TClonesArray("TMatrixD",1000);
365 for(Int_t k = 0; k < fNTRU*fNumberOfSuperModules; k++){
366 TMatrixD * trus = new TMatrixD(nCellsPhi,nCellsEta) ;
367 for(Int_t i = 0; i < nCellsPhi; i++)
368 for(Int_t j = 0; j < nCellsEta; j++)
371 new((*matrix)[k]) TMatrixD(*trus) ;
374 AliEMCALDigit * dig ;
386 //Digits loop to fill TRU matrices with amplitudes.
388 for(Int_t idig = 0 ; idig < digits->GetEntriesFast() ; idig++){
390 dig = dynamic_cast<AliEMCALDigit *>(digits->At(idig)) ;
391 amp = dig->GetAmp() ; //Energy of the digit (arbitrary units)
392 id = dig->GetId() ; //Id label of the cell
393 //cout<<"idig "<<idig<<" Amp "<<amp<<" Id "<<id<<endl;
395 //Get eta and phi cell position in supermodule
396 Bool_t bCell = GetCellIndex(id, iSupMod, nTower, nIphi, nIeta) ;
398 Error("FillTRU","Wrong cell id number") ;
400 GetCellPhiEtaIndexInSModule(iSupMod,nTower,nIphi, nIeta,iphi,ieta);
402 //Check to which TRU in the supermodule belongs the cell.
403 //Supermodules are divided in a TRU matrix of dimension
404 //(fNTRUPhi,fNTRUEta).
405 //Each TRU is a cell matrix of dimension (nCellsPhi,nCellsEta)
407 //First calculate the row and column in the supermodule
408 //of the TRU to which the cell belongs.
410 Int_t col = (ieta-1)/nCellsEta+1;
411 Int_t row = (iphi-1)/nCellsPhi+1;
412 Int_t itru = col*row + (iSupMod-1)*fNTRU - 1; //Label number of the TRU
413 // Info("FillTRU","SM %d, cell: phi %d, eta %d",iSupMod,iphi,ieta);
414 // Info("FillTRU","SM TRU: SMrow %d, SMcol %d, SMtru %d,",row,col,itru);
417 //Fill TRU matrix with cell values
419 TMatrixD * trus = dynamic_cast<TMatrixD *>(matrix->At(itru)) ;
421 //Calculate row and column of the cell inside the TRU with number itru
423 Int_t irow = (iphi-1) - (row-1) * nCellsPhi;
424 Int_t icol = (ieta-1) - (col-1) * nCellsEta;
426 (*trus)(irow,icol) = amp ;
429 // Info("FillTRU","TRU: row %d, col %d",irow,icol);
436 //______________________________________________________________________
437 AliEMCALGeometry * AliEMCALGeometry::GetInstance(){
438 // Returns the pointer of the unique instance
440 AliEMCALGeometry * rv = static_cast<AliEMCALGeometry *>( fgGeom );
444 //______________________________________________________________________
445 AliEMCALGeometry* AliEMCALGeometry::GetInstance(const Text_t* name,
446 const Text_t* title){
447 // Returns the pointer of the unique instance
449 AliEMCALGeometry * rv = 0;
451 if ( strcmp(name,"") == 0 ) rv = 0;
453 fgGeom = new AliEMCALGeometry(name, title);
454 if ( fgInit ) rv = (AliEMCALGeometry * ) fgGeom;
460 } // end if strcmp(name,"")
462 if ( strcmp(fgGeom->GetName(), name) != 0 ) {
463 printf("\ncurrent geometry is ") ;
464 printf(fgGeom->GetName());
465 printf("\n you cannot call ");
468 rv = (AliEMCALGeometry *) fgGeom;
474 // These methods are obsolete but use in AliEMCALRecPoint - keep it now
475 //______________________________________________________________________
476 Int_t AliEMCALGeometry::TowerIndex(Int_t ieta,Int_t iphi) const {
477 // Returns the tower index number from the based on the Z and Phi
480 // Int_t ieta // index along z axis [1-fNZ]
481 // Int_t iphi // index along phi axis [1-fNPhi]
485 // Int_t index // Tower index number
487 if ( (ieta <= 0 || ieta>GetNEta()) ||
488 (iphi <= 0 || iphi>GetNPhi())) {
489 Error("TowerIndex", "Unexpected parameters eta = %d phi = %d!", ieta, iphi) ;
492 return ( (iphi - 1)*GetNEta() + ieta );
495 //______________________________________________________________________
496 void AliEMCALGeometry::TowerIndexes(Int_t index,Int_t &ieta,Int_t &iphi) const {
498 // Int_t index // Tower index number [1-fNZ*fNPhi]
500 // Int_t ieta // index allong z axis [1-fNZ]
501 // Int_t iphi // index allong phi axis [1-fNPhi]
507 if ( IsInECA(index) ) { // ECAL index
511 Error("TowerIndexes", "Unexpected Id number!") ;
518 iphi = nindex / GetNZ() + 1 ;
520 iphi = nindex / GetNZ() ;
521 ieta = nindex - (iphi - 1) * GetNZ() ;
524 printf("TowerIndexes: index=%d,%d, ieta=%d, iphi = %d", index, nindex,ieta, iphi) ;
529 //______________________________________________________________________
530 void AliEMCALGeometry::EtaPhiFromIndex(Int_t index,Float_t &eta,Float_t &phi) const {
531 // given the tower index number it returns the based on the eta and phi
534 // Int_t index // Tower index number [1-fNZ*fNPhi]
536 // Float_t eta // eta of center of tower in pseudorapidity
537 // Float_t phi // phi of center of tower in degrees
543 TowerIndexes(index,ieta,iphi);
546 printf("EtaPhiFromIndex: index = %d, ieta = %d, iphi = %d", index, ieta, iphi) ;
548 deta = (GetArm1EtaMax()-GetArm1EtaMin())/(static_cast<Float_t>(GetNEta()));
549 eta = GetArm1EtaMin() + ((static_cast<Float_t>(ieta) - 0.5 ))*deta;
551 dphi = (GetArm1PhiMax() - GetArm1PhiMin())/(static_cast<Float_t>(GetNPhi())); // in degrees.
552 phi = GetArm1PhiMin() + dphi*(static_cast<Float_t>(iphi) - 0.5);//iphi range [1-fNphi].
555 //______________________________________________________________________
556 Int_t AliEMCALGeometry::TowerIndexFromEtaPhi(Float_t eta,Float_t phi) const {
557 // returns the tower index number based on the eta and phi of the tower.
559 // Float_t eta // eta of center of tower in pseudorapidity
560 // Float_t phi // phi of center of tower in degrees
564 // Int_t index // Tower index number [1-fNZ*fNPhi]
568 ieta = static_cast<Int_t> ( 1 + (static_cast<Float_t>(GetNEta()) * (eta - GetArm1EtaMin()) / (GetArm1EtaMax() - GetArm1EtaMin())) ) ;
570 if( ieta <= 0 || ieta > GetNEta() ) {
571 Error("TowerIndexFromEtaPhi", "Unexpected (eta, phi) = (%f, %f) value, outside of EMCAL!", eta, phi) ;
575 iphi = static_cast<Int_t> ( 1 + (static_cast<Float_t>(GetNPhi()) * (phi - GetArm1PhiMin()) / (GetArm1PhiMax() - GetArm1PhiMin())) ) ;
577 if( iphi <= 0 || iphi > GetNPhi() ) {
578 Error("TowerIndexFromEtaPhi", "Unexpected (eta, phi) = (%f, %f) value, outside of EMCAL!", eta, phi) ;
582 return TowerIndex(ieta,iphi);
585 //______________________________________________________________________
586 Bool_t AliEMCALGeometry::AbsToRelNumbering(Int_t AbsId, Int_t *relid) const {
587 // Converts the absolute numbering into the following array/
588 // relid[0] = Row number inside EMCAL
589 // relid[1] = Column number inside EMCAL
591 // Int_t AbsId // Tower index number [1-2*fNZ*fNPhi]
593 // Int_t *relid // array of 2. Described above.
595 Int_t ieta=0,iphi=0,index=AbsId;
597 TowerIndexes(index,ieta,iphi);
604 //______________________________________________________________________
605 void AliEMCALGeometry::PosInAlice(const Int_t *relid, Float_t &theta, Float_t &phi) const
607 // Converts the relative numbering into the local EMCAL-module (x, z)
609 Int_t ieta = relid[0]; // offset along x axis
610 Int_t iphi = relid[1]; // offset along z axis
614 index = TowerIndex(ieta,iphi);
615 EtaPhiFromIndex(index,eta,phi);
616 //theta = 180.*(2.0*TMath::ATan(TMath::Exp(-eta)))/TMath::Pi();
617 theta = 2.0*TMath::ATan(TMath::Exp(-eta));
619 // correct for distance to IP
620 Float_t d = GetIP2ECASection() - GetIPDistance() ;
622 Float_t correction = 1 + d/GetIPDistance() ;
623 Float_t tantheta = TMath::Tan(theta) * correction ;
624 theta = TMath::ATan(tantheta) * TMath::RadToDeg() ;
631 //______________________________________________________________________
632 void AliEMCALGeometry::PosInAlice(Int_t absid, Float_t &theta, Float_t &phi) const
634 // Converts the relative numbering into the local EMCAL-module (x, z)
637 AbsToRelNumbering(absid, relid) ;
638 Int_t ieta = relid[0]; // offset along x axis
639 Int_t iphi = relid[1]; // offset along z axis
643 index = TowerIndex(ieta,iphi);
644 EtaPhiFromIndex(index,eta,phi);
645 theta = 2.0*TMath::ATan(TMath::Exp(-eta)) ;
647 // correct for distance to IP
650 d = GetIP2ECASection() - GetIPDistance() ;
652 Error("PosInAlice", "Unexpected id # %d!", absid) ;
656 Float_t correction = 1 + d/GetIPDistance() ;
657 Float_t tantheta = TMath::Tan(theta) * correction ;
658 theta = TMath::ATan(tantheta) * TMath::RadToDeg() ;
665 //______________________________________________________________________
666 void AliEMCALGeometry::XYZFromIndex(const Int_t *relid,Float_t &x,Float_t &y, Float_t &z) const {
667 // given the tower relative number it returns the X, Y and Z
671 // Float_t x // x of center of tower in cm
672 // Float_t y // y of center of tower in cm
673 // Float_t z // z of centre of tower in cm
677 Float_t eta,theta, phi,cylradius=0. ;
679 Int_t ieta = relid[0]; // offset along x axis
680 Int_t iphi = relid[1]; // offset along z axis.
683 index = TowerIndex(ieta,iphi);
684 EtaPhiFromIndex(index,eta,phi);
685 theta = 180.*(2.0*TMath::ATan(TMath::Exp(-eta)))/TMath::Pi();
687 cylradius = GetIP2ECASection() ;
689 Double_t kDeg2Rad = TMath::DegToRad() ;
690 x = cylradius * TMath::Cos(phi * kDeg2Rad ) ;
691 y = cylradius * TMath::Sin(phi * kDeg2Rad ) ;
692 z = cylradius / TMath::Tan(theta * kDeg2Rad ) ;
697 //______________________________________________________________________
698 void AliEMCALGeometry::XYZFromIndex(Int_t absid, TVector3 &v) const {
699 // given the tower relative number it returns the X, Y and Z
703 // Float_t x // x of center of tower in cm
704 // Float_t y // y of center of tower in cm
705 // Float_t z // z of centre of tower in cm
709 Float_t theta, phi,cylradius=0. ;
711 PosInAlice(absid, theta, phi) ;
713 if ( IsInECA(absid) )
714 cylradius = GetIP2ECASection() ;
716 Error("XYZFromIndex", "Unexpected Tower section") ;
720 Double_t kDeg2Rad = TMath::DegToRad() ;
721 v.SetX(cylradius * TMath::Cos(phi * kDeg2Rad ) );
722 v.SetY(cylradius * TMath::Sin(phi * kDeg2Rad ) );
723 v.SetZ(cylradius / TMath::Tan(theta * kDeg2Rad ) ) ;
728 Bool_t AliEMCALGeometry::IsInEMCAL(Double_t x, Double_t y, Double_t z) const {
729 // Checks whether point is inside the EMCal volume
731 // Code uses cylindrical approximation made of inner radius (for speed)
733 // Points behind EMCAl, i.e. R > outer radius, but eta, phi in acceptance
734 // are considered to inside
736 Double_t r=sqrt(x*x+y*y);
738 if ( r > fEnvelop[0] ) {
740 theta = TMath::ATan2(r,z);
745 eta = -TMath::Log(TMath::Tan(theta/2.));
746 if (eta < fArm1EtaMin || eta > fArm1EtaMax)
749 Double_t phi = TMath::ATan2(y,x) * 180./TMath::Pi();
750 if (phi > fArm1PhiMin && phi < fArm1PhiMax)
758 // == Shish-kebab cases ==
760 Int_t AliEMCALGeometry::GetAbsCellId(Int_t nSupMod, Int_t nTower, Int_t nIphi, Int_t nIeta) const
763 // 13-oct-05; 110 degree case
764 // 1 <= nSupMod <= fNumberOfSuperModules
765 // 1 <= nTower <= fNPHI * fNZ ( fNPHI * fNZ/2 for fKey110DEG=1)
766 // 1 <= nIphi <= fNPHIdiv
767 // 1 <= nIeta <= fNETAdiv
768 // 1 <= absid <= fNCells
769 static Int_t id=0; // have to change from 1 to fNCells
770 if(fKey110DEG == 1 && nSupMod > 10) { // 110 degree case; last two supermodules
771 id = fNCellsInSupMod*10 + (fNCellsInSupMod/2)*(nSupMod-11);
773 id = fNCellsInSupMod*(nSupMod-1);
775 id += fNCellsInTower *(nTower-1);
776 id += fNPHIdiv *(nIphi-1);
778 if(id<=0 || id > fNCells) {
779 // printf(" wrong numerations !!\n");
780 // printf(" id %6i(will be force to -1)\n", id);
781 // printf(" fNCells %6i\n", fNCells);
782 // printf(" nSupMod %6i\n", nSupMod);
783 // printf(" nTower %6i\n", nTower);
784 // printf(" nIphi %6i\n", nIphi);
785 // printf(" nIeta %6i\n", nIeta);
786 id = -TMath::Abs(id);
791 Bool_t AliEMCALGeometry::CheckAbsCellId(Int_t ind) const
792 { // 17-niv-04 - analog of IsInECA
793 if(name.Contains("TRD")) {
794 if(ind<=0 || ind > fNCells) return kFALSE;
796 } else return IsInECA(ind);
799 Bool_t AliEMCALGeometry::GetCellIndex(Int_t absId,Int_t &nSupMod,Int_t &nTower,Int_t &nIphi,Int_t &nIeta) const
802 static Int_t tmp=0, sm10=0;
803 if(absId<=0 || absId>fNCells) {
804 // Info("GetCellIndex"," wrong abs Id %i !! \n", absId);
807 sm10 = fNCellsInSupMod*10;
808 if(fKey110DEG == 1 && absId > sm10) { // 110 degree case; last two supermodules
809 nSupMod = (absId-1-sm10) / (fNCellsInSupMod/2) + 11;
810 tmp = (absId-1-sm10) % (fNCellsInSupMod/2);
812 nSupMod = (absId-1) / fNCellsInSupMod + 1;
813 tmp = (absId-1) % fNCellsInSupMod;
816 nTower = tmp / fNCellsInTower + 1;
817 tmp = tmp % fNCellsInTower;
818 nIphi = tmp / fNPHIdiv + 1;
819 nIeta = tmp % fNPHIdiv + 1;
824 void AliEMCALGeometry::GetTowerPhiEtaIndexInSModule(Int_t nSupMod, Int_t nTower, int &iphit, int &ietat) const
825 { // added nSupMod; have to check - 19-oct-05 !
828 if(fKey110DEG == 1 && nSupMod>=11) nphi = fNPhi/2;
831 ietat = (nTower-1)/nphi + 1; // have to change from 1 to fNZ
832 iphit = (nTower-1)%nphi + 1; // have to change from 1 to fNPhi
835 void AliEMCALGeometry::GetCellPhiEtaIndexInSModule(Int_t nSupMod, Int_t nTower, Int_t nIphi, Int_t nIeta,
836 int &iphi, int &ieta) const
837 { // added nSupMod; Nov 25, 05
838 static Int_t iphit, ietat;
840 GetTowerPhiEtaIndexInSModule(nSupMod,nTower, iphit, ietat);
841 // have to change from 1 to fNZ*fNETAdiv
842 ieta = (ietat-1)*fNETAdiv + (3-nIeta); // x(module) = -z(SM)
843 // iphi - have to change from 1 to fNPhi*fNPHIdiv
844 iphi = (iphit-1)*fNPHIdiv + nIphi; // y(module) = y(SM)
847 Int_t AliEMCALGeometry::GetSuperModuleNumber(Int_t absId) const
849 static Int_t nSupMod, nTower, nIphi, nIeta;
850 GetCellIndex(absId, nSupMod, nTower, nIphi, nIeta);
854 // Methods for AliEMCALRecPoint - Feb 19, 2006
855 Bool_t AliEMCALGeometry::RelPosCellInSModule(Int_t absId, Double_t &xr, Double_t &yr, Double_t &zr)
857 static Int_t nSupMod, nTower, nIphi, nIeta, iphi, ieta;
858 if(!CheckAbsCellId(absId)) return kFALSE;
860 GetCellIndex(absId, nSupMod, nTower, nIphi, nIeta);
861 GetCellPhiEtaIndexInSModule(nSupMod,nTower,nIphi,nIeta, iphi, ieta);
863 xr = fXCentersOfCells->At(ieta-1);
864 zr = fEtaCentersOfCells->At(ieta-1);
866 yr = fPhiCentersOfCells->At(iphi-1);
868 // cout<<" absId "<<absId<<" iphi "<<iphi<<"ieta"<<ieta;
869 // cout<< " xr " << xr << " yr " << yr << " zr " << zr <<endl;
873 void AliEMCALGeometry::CreateListOfTrd1Modules()
875 cout<< endl<< " AliEMCALGeometry::CreateListOfTrd1Modules() started " << endl;
876 AliEMCALShishKebabTrd1Module *mod=0, *mTmp=0; // current module
877 if(fShishKebabTrd1Modules == 0) {
878 fShishKebabTrd1Modules = new TList;
879 for(int iz=0; iz< GetNZ(); iz++) {
881 mod = new AliEMCALShishKebabTrd1Module(TMath::Pi()/2.,this);
883 mTmp = new AliEMCALShishKebabTrd1Module(*mod);
886 fShishKebabTrd1Modules->Add(mod);
889 cout<<" Already exits : ";
891 cout<<" fShishKebabTrd1Modules "<< fShishKebabTrd1Modules << " has "
892 << fShishKebabTrd1Modules->GetSize() << " modules" <<endl << endl;
894 // define grid for cells in eta(z) and x directions in local coordinates system of SM
895 fEtaCentersOfCells = new TArrayD(fNZ *fNETAdiv);
896 fXCentersOfCells = new TArrayD(fNZ *fNETAdiv);
897 printf(" Cells grid in eta directions : size %i\n", fEtaCentersOfCells->GetSize());
898 Int_t iphi=0, ieta=0, nTower=0;
900 for(Int_t it=0; it<fNZ; it++) { // array index
901 AliEMCALShishKebabTrd1Module *trd1 = GetShishKebabModule(it);
902 nTower = fNPhi*it + 1;
903 for(Int_t ic=0; ic<fNETAdiv; ic++) { // array index
904 trd1->GetCenterOfCellInLocalCoordinateofSM(ic+1, xr, zr);
905 GetCellPhiEtaIndexInSModule(1, nTower, 1, ic+1, iphi, ieta); // don't depend from phi
906 fXCentersOfCells->AddAt(float(xr) - fParSM[0],ieta-1);
907 fEtaCentersOfCells->AddAt(float(zr) - fParSM[2],ieta-1);
910 for(Int_t i=0; i<fEtaCentersOfCells->GetSize(); i++) {
911 printf(" ind %2.2i : z %8.3f : x %8.3f", i+1, fEtaCentersOfCells->At(i),fXCentersOfCells->At(i));
912 if(i%2 != 0) printf("\n");
915 // define grid for cells in phi(y) direction in local coordinates system of SM
916 fPhiCentersOfCells = new TArrayD(fNPhi*fNPHIdiv);
917 printf(" Cells grid in phi directions : size %i\n", fPhiCentersOfCells->GetSize());
919 for(Int_t it=0; it<fNPhi; it++) { // array index
920 Float_t ytLeftCenterModule = -fParSM[1] + fPhiModuleSize*(2*it+1)/2; // module
921 for(Int_t ic=0; ic<fNPHIdiv; ic++) { // array index
922 Float_t ytLeftCenterCell = ytLeftCenterModule + fPhiTileSize *(2*ic-1)/2.; // tower(cell)
923 fPhiCentersOfCells->AddAt(ytLeftCenterCell,ind);
924 printf(" ind %2.2i : y %8.3f ", ind, fPhiCentersOfCells->At(ind++));
925 if(ic == fNPHIdiv-1) printf("\n");
931 void AliEMCALGeometry::GetTransformationForSM()
933 static Bool_t transInit=kFALSE;
934 if(transInit) return;
937 if(gGeoManager == 0) {
938 Info("CreateTransformationForSM() "," Load geometry : TGeoManager::Import()");
941 TGeoNode *tn = gGeoManager->GetTopNode();
942 TGeoNode *node=0, *XEN1 = 0;
943 for(i=0; i<tn->GetNdaughters(); i++) {
944 node = tn->GetDaughter(i);
945 TString ns(node->GetName());
946 if(ns.Contains(GetNameOfEMCALEnvelope())) {
952 Info("CreateTransformationForSM() "," geometry has not EMCAL envelope with name %s",
953 GetNameOfEMCALEnvelope());
956 printf(" i %i : EMCAL Envelope is %s : #SM %i \n", i, XEN1->GetName(), XEN1->GetNdaughters());
957 for(i=0; i<XEN1->GetNdaughters(); i++) {
958 TGeoNodeMatrix *sm = (TGeoNodeMatrix*)XEN1->GetDaughter(i);
959 fMatrixOfSM[i] = sm->GetMatrix();
960 //Compiler doesn't like this syntax...
961 // printf(" %i : matrix %x \n", i, fMatrixOfSM[i]);
966 void AliEMCALGeometry::GetGlobal(const Double_t *loc, Double_t *glob, int nsm) const
968 // if(fMatrixOfSM[0] == 0) GetTransformationForSM();
971 if(ind>=0 && ind < GetNumberOfSuperModules()) {
972 fMatrixOfSM[ind]->LocalToMaster(loc, glob);
976 void AliEMCALGeometry::GetGlobal(const Int_t /* absId */, TVector3 & /* vglob */) const
977 { // have to be defined
980 void AliEMCALGeometry::GetGlobal(const TVector3 &vloc, TVector3 &vglob, int nsm) const
982 static Double_t tglob[3], tloc[3];
984 GetGlobal(tloc, tglob, nsm);
985 vglob.SetXYZ(tglob[0], tglob[1], tglob[2]);
988 void AliEMCALGeometry::GetGlobal(const AliRecPoint *rp, TVector3 &vglob) const
990 static TVector3 vloc;
991 static Int_t nSupMod, nTower, nIphi, nIeta;
993 AliRecPoint *rpTmp = (AliRecPoint*)rp; // const_cast ??
995 AliEMCALRecPoint *rpEmc = (AliEMCALRecPoint*)rpTmp;
997 GetCellIndex(rpEmc->GetAbsId(0), nSupMod, nTower, nIphi, nIeta);
998 rpTmp->GetLocalPosition(vloc);
999 GetGlobal(vloc, vglob, nSupMod);