comment some print output
[u/mrichter/AliRoot.git] / EMCAL / AliEMCALGeometry.cxx
CommitLineData
e5a93224 1/**************************************************************************
2012850d 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/* $Id$*/
17
18//_________________________________________________________________________
19// Geometry class for EMCAL : singleton
b13bbe81 20// EMCAL consists of layers of scintillator and lead
ffa6d63b 21// Places the the Barrel Geometry of The EMCAL at Midrapidity
d87bd045 22// between 80 and 180(or 190) degrees of Phi and
ffa6d63b 23// -0.7 to 0.7 in eta
24// Number of Modules and Layers may be controlled by
25// the name of the instance defined
b13bbe81 26//*-- Author: Sahal Yacoob (LBL / UCT)
27// and : Yves Schutz (SUBATECH)
28// and : Jennifer Klay (LBL)
1963b290 29// SHASHLYK : Aleksei Pavlinov (WSU)
c63c3c5d 30// SuperModules -> module(or tower) -> cell
2012850d 31
2012850d 32// --- AliRoot header files ---
1ceeec56 33#include <assert.h>
e52475ed 34#include "Riostream.h"
35
ca8f5bd0 36#include <TMath.h>
116cbefd 37#include <TVector3.h>
dc7da436 38 //#include <TArrayD.h>
c63c3c5d 39#include <TObjArray.h>
e52475ed 40#include <TGeoManager.h>
41#include <TGeoNode.h>
42#include <TGeoMatrix.h>
f0377b23 43#include <TMatrixD.h>
d434833b 44#include <TObjString.h>
f0377b23 45#include <TClonesArray.h>
173558f2 46
ca8f5bd0 47// -- ALICE Headers.
d64c959b 48//#include "AliConst.h"
e5a93224 49#include "AliLog.h"
173558f2 50
ca8f5bd0 51// --- EMCAL headers
52#include "AliEMCALGeometry.h"
e52475ed 53#include "AliEMCALShishKebabTrd1Module.h"
e52475ed 54#include "AliEMCALRecPoint.h"
f0377b23 55#include "AliEMCALDigit.h"
d434833b 56#include "AliEMCALHistoUtilities.h"
57#include "AliEMCALAlignData.h"
2012850d 58
925e6570 59ClassImp(AliEMCALGeometry)
2012850d 60
d434833b 61// these initialisations are needed for a singleton
62AliEMCALGeometry *AliEMCALGeometry::fgGeom = 0;
63Bool_t AliEMCALGeometry::fgInit = kFALSE;
64AliEMCALAlignData *AliEMCALGeometry::fgAlignData = 0;
65
dc7da436 66
67
68AliEMCALGeometry::AliEMCALGeometry() : AliGeometry()
69{
70 // default ctor only for internal usage (singleton)
71 // must be kept public for root persistency purposes, but should never be called by the outside world
72 // CreateListOfTrd1Modules();
73 AliDebug(2, "AliEMCALGeometry : default ctor ");
74}
75//______________________________________________________________________
76AliEMCALGeometry::AliEMCALGeometry(const Text_t* name, const Text_t* title) :
77AliGeometry(name, title) {// ctor only for internal usage (singleton)
78 AliDebug(2, Form("AliEMCALGeometry(%s,%s) ", name,title));
79 Init();
80 CreateListOfTrd1Modules();
81}
b13bbe81 82//______________________________________________________________________
83AliEMCALGeometry::~AliEMCALGeometry(void){
84 // dtor
2012850d 85}
395c7ba2 86//______________________________________________________________________
87void AliEMCALGeometry::Init(void){
88 // Initializes the EMCAL parameters
fdebddeb 89 // naming convention : GUV_WX_N_ gives the composition of a tower
395c7ba2 90 // WX inform about the composition of the EM calorimeter section:
fdebddeb 91 // thickness in mm of Pb radiator (W) and of scintillator (X), and number of scintillator layers (N)
92 // New geometry: EMCAL_55_25
1963b290 93 // 24-aug-04 for shish-kebab
94 // SHISH_25 or SHISH_62
c63c3c5d 95 // 11-oct-05 - correction for pre final design
96 // Feb 06,2006 - decrease the weight of EMCAL
fc575e27 97
b44d5aa4 98 fAdditionalOpts[0] = "nl="; // number of sampling layers (fNECLayers)
99 fAdditionalOpts[1] = "pbTh="; // cm, Thickness of the Pb (fECPbRadThick)
100 fAdditionalOpts[2] = "scTh="; // cm, Thickness of the Sc (fECScintThick)
101 fAdditionalOpts[3] = "latSS="; // cm, Thickness of lateral steel strip (fLateralSteelStrip)
fc575e27 102
103 fNAdditionalOpts = sizeof(fAdditionalOpts) / sizeof(char*);
104
fdebddeb 105 fgInit = kFALSE; // Assume failed until proven otherwise.
fc575e27 106 fGeoName = GetName();
107 fGeoName.ToUpper();
d87bd045 108 fKey110DEG = 0;
fc575e27 109 if(fGeoName.Contains("110DEG")) fKey110DEG = 1; // for GetAbsCellId
e52475ed 110 fShishKebabTrd1Modules = 0;
111 fTrd2AngleY = f2Trd2Dy2 = fEmptySpace = fTubsR = fTubsTurnAngle = 0;
1963b290 112
113 fNZ = 114; // granularity along Z (eta)
114 fNPhi = 168; // granularity in phi (azimuth)
115 fArm1PhiMin = 60.0; // degrees, Starting EMCAL Phi position
116 fArm1PhiMax = 180.0; // degrees, Ending EMCAL Phi position
117 fArm1EtaMin = -0.7; // pseudorapidity, Starting EMCAL Eta position
118 fArm1EtaMax = +0.7; // pseudorapidity, Ending EMCAL Eta position
119 fIPDistance = 454.0; // cm, Radial distance to inner surface of EMCAL
905263da 120 fPhiGapForSM = 0.; // cm, only for final TRD1 geometry
e52475ed 121 for(int i=0; i<12; i++) fMatrixOfSM[i] = 0;
1963b290 122
123 // geometry
fc575e27 124 if(fGeoName.Contains("SHISH")){ // Only shahslyk now
905263da 125 // 7-sep-05; integration issue
126 fArm1PhiMin = 80.0; // 60 -> 80
c01485dd 127 fArm1PhiMax = 180.0; // 180 -> 190
905263da 128
129 fNumberOfSuperModules = 10; // 12 = 6 * 2 (6 in phi, 2 in Z);
1963b290 130 fSteelFrontThick = 2.54; // 9-sep-04
131 fIPDistance = 460.0;
132 fFrontSteelStrip = fPassiveScintThick = 0.0; // 13-may-05
133 fLateralSteelStrip = 0.025; // before MAY 2005
134 fPhiModuleSize = fEtaModuleSize = 11.4;
135 fPhiTileSize = fEtaTileSize = 5.52; // (11.4-5.52*2)/2. = 0.18 cm (wall thickness)
136 fNPhi = 14;
137 fNZ = 30;
138 fAlFrontThick = fGap2Active = 0;
139 fNPHIdiv = fNETAdiv = 2;
140
141 fNECLayers = 62;
142 fECScintThick = fECPbRadThickness = 0.2;
143 fSampling = 1.; // 30-aug-04 - should be calculated
fc575e27 144 if(fGeoName.Contains("TWIST")) { // all about EMCAL module
1963b290 145 fNZ = 27; // 16-sep-04
fc575e27 146 } else if(fGeoName.Contains("TRD")) {
1963b290 147 fIPDistance = 428.0; // 11-may-05
148 fSteelFrontThick = 0.0; // 3.17 -> 0.0; 28-mar-05 : no stell plate
149 fNPhi = 12;
150 fSampling = 12.327;
151 fPhiModuleSize = fEtaModuleSize = 12.26;
152 fNZ = 26; // 11-oct-04
153 fTrd1Angle = 1.3; // in degree
154// 18-nov-04; 1./0.08112=12.327
155// http://pdsfweb01.nersc.gov/~pavlinov/ALICE/SHISHKEBAB/RES/linearityAndResolutionForTRD1.html
fc575e27 156 if(fGeoName.Contains("TRD1")) { // 30-jan-05
1963b290 157 // for final design
905263da 158 fPhiGapForSM = 2.; // cm, only for final TRD1 geometry
fc575e27 159 if(fGeoName.Contains("MAY05") || fGeoName.Contains("WSUC") || fGeoName.Contains("FINAL")){
1963b290 160 fNumberOfSuperModules = 12; // 20-may-05
fc575e27 161 if(fGeoName.Contains("WSUC")) fNumberOfSuperModules = 1; // 27-may-05
1963b290 162 fNECLayers = 77; // (13-may-05 from V.Petrov)
163 fPhiModuleSize = 12.5; // 20-may-05 - rectangular shape
164 fEtaModuleSize = 11.9;
165 fECScintThick = fECPbRadThickness = 0.16;// (13-may-05 from V.Petrov)
166 fFrontSteelStrip = 0.025;// 0.025cm = 0.25mm (13-may-05 from V.Petrov)
167 fLateralSteelStrip = 0.01; // 0.01cm = 0.1mm (13-may-05 from V.Petrov) - was 0.025
168 fPassiveScintThick = 0.8; // 0.8cm = 8mm (13-may-05 from V.Petrov)
169 fNZ = 24;
170 fTrd1Angle = 1.5; // 1.3 or 1.5
905263da 171
fc575e27 172 if(fGeoName.Contains("FINAL")) { // 9-sep-05
905263da 173 fNumberOfSuperModules = 10;
fc575e27 174 if(fGeoName.Contains("110DEG")) {
d87bd045 175 fNumberOfSuperModules = 12;// last two modules have size 10 degree in phi (180<phi<190)
176 fArm1PhiMax = 200.0; // for XEN1 and turn angle of super modules
177 }
905263da 178 fPhiModuleSize = 12.26 - fPhiGapForSM / Float_t(fNPhi); // first assumption
179 fEtaModuleSize = fPhiModuleSize;
fc575e27 180 if(fGeoName.Contains("HUGE")) fNECLayers *= 3; // 28-oct-05 for analysing leakage
905263da 181 }
1963b290 182 }
fc575e27 183 } else if(fGeoName.Contains("TRD2")) { // 30-jan-05
1963b290 184 fSteelFrontThick = 0.0; // 11-mar-05
185 fIPDistance+= fSteelFrontThick; // 1-feb-05 - compensate absence of steel plate
186 fTrd1Angle = 1.64; // 1.3->1.64
187 fTrd2AngleY = fTrd1Angle; // symmetric case now
188 fEmptySpace = 0.2; // 2 mm
189 fTubsR = fIPDistance; // 31-jan-05 - as for Fred case
190
191 fPhiModuleSize = fTubsR*2.*TMath::Tan(fTrd2AngleY*TMath::DegToRad()/2.);
192 fPhiModuleSize -= fEmptySpace/2.; // 11-mar-05
193 fEtaModuleSize = fPhiModuleSize; // 20-may-05
194 fTubsTurnAngle = 3.;
195 }
196 fNPHIdiv = fNETAdiv = 2; // 13-oct-04 - division again
fc575e27 197 if(fGeoName.Contains("3X3")) { // 23-nov-04
1963b290 198 fNPHIdiv = fNETAdiv = 3;
fc575e27 199 } else if(fGeoName.Contains("4X4")) {
1963b290 200 fNPHIdiv = fNETAdiv = 4;
201 }
202 }
fc575e27 203 if(fGeoName.Contains("25")){
1963b290 204 fNECLayers = 25;
205 fECScintThick = fECPbRadThickness = 0.5;
206 }
fc575e27 207 if(fGeoName.Contains("WSUC")){ // 18-may-05 - about common structure
1963b290 208 fShellThickness = 30.; // should be change
209 fNPhi = fNZ = 4;
210 }
c63c3c5d 211
fc575e27 212 CheckAdditionalOptions();
25b033cf 213 DefineSamplingFraction();
c63c3c5d 214
31b39a2e 215 fPhiTileSize = fPhiModuleSize/2. - fLateralSteelStrip; // 13-may-05
216 fEtaTileSize = fEtaModuleSize/2. - fLateralSteelStrip; // 13-may-05
217
1963b290 218 // constant for transition absid <--> indexes
219 fNCellsInTower = fNPHIdiv*fNETAdiv;
220 fNCellsInSupMod = fNCellsInTower*fNPhi*fNZ;
221 fNCells = fNCellsInSupMod*fNumberOfSuperModules;
fc575e27 222 if(fGeoName.Contains("110DEG")) fNCells -= fNCellsInSupMod;
1963b290 223
224 fLongModuleSize = fNECLayers*(fECScintThick + fECPbRadThickness);
fc575e27 225 if(fGeoName.Contains("MAY05")) fLongModuleSize += (fFrontSteelStrip + fPassiveScintThick);
1963b290 226
227 // 30-sep-04
fc575e27 228 if(fGeoName.Contains("TRD")) {
1963b290 229 f2Trd1Dx2 = fEtaModuleSize + 2.*fLongModuleSize*TMath::Tan(fTrd1Angle*TMath::DegToRad()/2.);
fc575e27 230 if(fGeoName.Contains("TRD2")) { // 27-jan-05
1963b290 231 f2Trd2Dy2 = fPhiModuleSize + 2.*fLongModuleSize*TMath::Tan(fTrd2AngleY*TMath::DegToRad()/2.);
232 }
233 }
fc575e27 234 } else Fatal("Init", "%s is an undefined geometry!", fGeoName.Data()) ;
fdebddeb 235
1963b290 236 fNPhiSuperModule = fNumberOfSuperModules/2;
237 if(fNPhiSuperModule<1) fNPhiSuperModule = 1;
fdebddeb 238 //There is always one more scintillator than radiator layer because of the first block of aluminium
239 fShellThickness = fAlFrontThick + fGap2Active + fNECLayers*GetECScintThick()+(fNECLayers-1)*GetECPbRadThick();
fc575e27 240 if(fGeoName.Contains("SHISH")) {
1963b290 241 fShellThickness = fSteelFrontThick + fLongModuleSize;
fc575e27 242 if(fGeoName.Contains("TWIST")) { // 13-sep-04
1963b290 243 fShellThickness = TMath::Sqrt(fLongModuleSize*fLongModuleSize + fPhiModuleSize*fEtaModuleSize);
244 fShellThickness += fSteelFrontThick;
fc575e27 245 } else if(fGeoName.Contains("TRD")) { // 1-oct-04
1963b290 246 fShellThickness = TMath::Sqrt(fLongModuleSize*fLongModuleSize + f2Trd1Dx2*f2Trd1Dx2);
247 fShellThickness += fSteelFrontThick;
e52475ed 248 // Local coordinates
249 fParSM[0] = GetShellThickness()/2.;
250 fParSM[1] = GetPhiModuleSize() * GetNPhi()/2.;
251 fParSM[2] = 350./2.;
1963b290 252 }
253 }
fdebddeb 254
395c7ba2 255 fZLength = 2.*ZFromEtaR(fIPDistance+fShellThickness,fArm1EtaMax); // Z coverage
256 fEnvelop[0] = fIPDistance; // mother volume inner radius
257 fEnvelop[1] = fIPDistance + fShellThickness; // mother volume outer r.
258 fEnvelop[2] = 1.00001*fZLength; // add some padding for mother volume.
259
d434833b 260 if(fgAlignData != NULL) {
261 // Number of modules is read from Alignment DB if exists
262 fNumberOfSuperModules = fgAlignData->GetNSuperModules();
263 }
264
395c7ba2 265 fgInit = kTRUE;
266
e5a93224 267 if (AliDebugLevel()>=2) {
fc575e27 268 printf("Init: geometry of EMCAL named %s is as follows:\n", fGeoName.Data());
e52475ed 269 printf( " ECAL : %d x (%f cm Pb, %f cm Sc) \n",
270 GetNECLayers(), GetECPbRadThick(), GetECScintThick() ) ;
271 printf(" fSampling %5.2f \n", fSampling );
fc575e27 272 if(fGeoName.Contains("SHISH")){
1963b290 273 printf(" fIPDistance %6.3f cm \n", fIPDistance);
274 if(fSteelFrontThick>0.)
275 printf(" fSteelFrontThick %6.3f cm \n", fSteelFrontThick);
276 printf(" fNPhi %i | fNZ %i \n", fNPhi, fNZ);
d87bd045 277 printf(" fNCellsInTower %i : fNCellsInSupMod %i : fNCells %i\n",fNCellsInTower, fNCellsInSupMod, fNCells);
fc575e27 278 if(fGeoName.Contains("MAY05")){
1963b290 279 printf(" fFrontSteelStrip %6.4f cm (thickness of front steel strip)\n",
280 fFrontSteelStrip);
281 printf(" fLateralSteelStrip %6.4f cm (thickness of lateral steel strip)\n",
282 fLateralSteelStrip);
283 printf(" fPassiveScintThick %6.4f cm (thickness of front passive Sc tile)\n",
284 fPassiveScintThick);
285 }
c63c3c5d 286 printf(" X:Y module size %6.3f , %6.3f cm \n", fPhiModuleSize, fEtaModuleSize);
287 printf(" X:Y tile size %6.3f , %6.3f cm \n", fPhiTileSize, fEtaTileSize);
288 printf(" #of sampling layers %i(fNECLayers) \n", fNECLayers);
289 printf(" fLongModuleSize %6.3f cm \n", fLongModuleSize);
1963b290 290 printf(" #supermodule in phi direction %i \n", fNPhiSuperModule );
291 }
fc575e27 292 if(fGeoName.Contains("TRD")) {
1963b290 293 printf(" fTrd1Angle %7.4f\n", fTrd1Angle);
294 printf(" f2Trd1Dx2 %7.4f\n", f2Trd1Dx2);
fc575e27 295 if(fGeoName.Contains("TRD2")) {
1963b290 296 printf(" fTrd2AngleY %7.4f\n", fTrd2AngleY);
297 printf(" f2Trd2Dy2 %7.4f\n", f2Trd2Dy2);
905263da 298 printf(" fTubsR %7.2f cm\n", fTubsR);
1963b290 299 printf(" fTubsTurnAngle %7.4f\n", fTubsTurnAngle);
905263da 300 printf(" fEmptySpace %7.4f cm\n", fEmptySpace);
fc575e27 301 } else if(fGeoName.Contains("TRD1") && fGeoName.Contains("FINAL")){
e52475ed 302 printf("SM dimensions(TRD1) : dx %7.2f dy %7.2f dz %7.2f (SMOD, BOX)\n",
303 fParSM[0],fParSM[1],fParSM[2]);
905263da 304 printf(" fPhiGapForSM %7.4f cm \n", fPhiGapForSM);
fc575e27 305 if(fGeoName.Contains("110DEG"))printf(" Last two modules have size 10 degree in phi (180<phi<190)\n");
1963b290 306 }
307 }
88cb7938 308 printf("Granularity: %d in eta and %d in phi\n", GetNZ(), GetNPhi()) ;
1963b290 309 printf("Layout: phi = (%7.1f, %7.1f), eta = (%5.2f, %5.2f), IP = %7.2f\n",
310 GetArm1PhiMin(), GetArm1PhiMax(),GetArm1EtaMin(), GetArm1EtaMax(), GetIPDistance() );
88cb7938 311 }
f0377b23 312 //TRU parameters. These parameters values are not the final ones.
313 fNTRU = 3 ;
314 fNTRUEta = 3 ;
315 fNTRUPhi = 1 ;
2012850d 316}
173558f2 317
b13bbe81 318//______________________________________________________________________
c63c3c5d 319
fc575e27 320void AliEMCALGeometry::CheckAdditionalOptions()
321{
322 // Feb 06,2006
323 //Additional options that
324 //can be used to select
325 //the specific geometry of
326 //EMCAL to run
327
c63c3c5d 328 fArrayOpts = new TObjArray;
fc575e27 329 Int_t nopt = AliEMCALHistoUtilities::ParseString(fGeoName, *fArrayOpts);
c63c3c5d 330 if(nopt==1) { // no aditional option(s)
331 fArrayOpts->Delete();
332 delete fArrayOpts;
333 fArrayOpts = 0;
334 return;
335 }
336 for(Int_t i=1; i<nopt; i++){
337 TObjString *o = (TObjString*)fArrayOpts->At(i);
338
339 TString addOpt = o->String();
340 Int_t indj=-1;
fc575e27 341 for(Int_t j=0; j<fNAdditionalOpts; j++) {
342 TString opt = fAdditionalOpts[j];
c63c3c5d 343 if(addOpt.Contains(opt,TString::kIgnoreCase)) {
344 indj = j;
345 break;
346 }
347 }
348 if(indj<0) {
e5a93224 349 AliDebug(2,Form("<E> option |%s| unavailable : ** look to the file AliEMCALGeometry.h **\n",
350 addOpt.Data()));
c63c3c5d 351 assert(0);
352 } else {
e5a93224 353 AliDebug(2,Form("<I> option |%s| is valid : number %i : |%s|\n",
354 addOpt.Data(), indj, fAdditionalOpts[indj]));
c63c3c5d 355 if (addOpt.Contains("NL=",TString::kIgnoreCase)) {// number of sampling layers
356 sscanf(addOpt.Data(),"NL=%i", &fNECLayers);
e5a93224 357 AliDebug(2,Form(" fNECLayers %i (new) \n", fNECLayers));
b44d5aa4 358 } else if(addOpt.Contains("PBTH=",TString::kIgnoreCase)) {//Thickness of the Pb(fECPbRadThicknes)
c63c3c5d 359 sscanf(addOpt.Data(),"PBTH=%f", &fECPbRadThickness);
b44d5aa4 360 } else if(addOpt.Contains("SCTH=",TString::kIgnoreCase)) {//Thickness of the Sc(fECScintThick)
c63c3c5d 361 sscanf(addOpt.Data(),"SCTH=%f", &fECScintThick);
b44d5aa4 362 } else if(addOpt.Contains("LATSS=",TString::kIgnoreCase)) {// Thickness of lateral steel strip (fLateralSteelStrip)
363 sscanf(addOpt.Data(),"LATSS=%f", &fLateralSteelStrip);
364 AliDebug(2,Form(" fLateralSteelStrip %f (new) \n", fLateralSteelStrip));
c63c3c5d 365 }
366 }
367 }
368}
369
25b033cf 370void AliEMCALGeometry::DefineSamplingFraction()
371{
372 // Jun 05,2006
373 // Look http://rhic.physics.wayne.edu/~pavlinov/ALICE/SHISHKEBAB/RES/linearityAndResolutionForTRD1.html
374 // Keep for compatibilty
375 //
376 if(fNECLayers == 69) { // 10% layer reduction
377 fSampling = 12.55;
378 } else if(fNECLayers == 61) { // 20% layer reduction
379 fSampling = 12.80;
380 } else if(fNECLayers == 77) {
381 if (fECScintThick>0.175 && fECScintThick<0.177) { // 10% Pb thicknes reduction
382 fSampling = 10.5; // fECScintThick = 0.176, fECPbRadThickness=0.144;
383 } else if(fECScintThick>0.191 && fECScintThick<0.193) { // 20% Pb thicknes reduction
384 fSampling = 8.93; // fECScintThick = 0.192, fECPbRadThickness=0.128;
385 }
386 }
387}
388
f0377b23 389//____________________________________________________________________________
356fd0a9 390void AliEMCALGeometry::FillTRU(const TClonesArray * digits, TClonesArray * ampmatrix, TClonesArray * timeRmatrix) {
f0377b23 391
392
356fd0a9 393// Orders digits ampitudes list in fNTRU TRUs (384 cells) per supermodule.
394// Each TRU is a TMatrixD, and they are kept in TClonesArrays. The number of
395// TRU in phi is fNTRUPhi, and the number of TRU in eta is fNTRUEta.
396// Last 2 modules are half size in Phi, I considered that the number of TRU
397// is maintained for the last modules but decision not taken. If different,
398// then this must be changed.
399
f0377b23 400
401 //Check data members
402
403 if(fNTRUEta*fNTRUPhi != fNTRU)
404 Error("FillTRU"," Wrong number of TRUS per Eta or Phi");
405
356fd0a9 406 //Initilize and declare variables
f0377b23 407 //List of TRU matrices initialized to 0.
356fd0a9 408 Int_t nCellsPhi = fNPhi*2/fNTRUPhi;
409 Int_t nCellsPhi2 = fNPhi/fNTRUPhi; //HalfSize modules
410 Int_t nCellsEta = fNZ*2/fNTRUEta;
f0377b23 411 Int_t id = -1;
412 Float_t amp = -1;
356fd0a9 413 Float_t timeR = -1;
f0377b23 414 Int_t iSupMod = -1;
415 Int_t nTower = -1;
416 Int_t nIphi = -1;
417 Int_t nIeta = -1;
418 Int_t iphi = -1;
419 Int_t ieta = -1;
356fd0a9 420
421 //List of TRU matrices initialized to 0.
422 for(Int_t k = 0; k < fNTRU*fNumberOfSuperModules; k++){
423 TMatrixD * amptrus = new TMatrixD(nCellsPhi,nCellsEta) ;
424 TMatrixD * timeRtrus = new TMatrixD(nCellsPhi,nCellsEta) ;
425 for(Int_t i = 0; i < nCellsPhi; i++){
426 for(Int_t j = 0; j < nCellsEta; j++){
427 (*amptrus)(i,j) = 0.0;
428 (*timeRtrus)(i,j) = 0.0;
429 }
430 }
431 new((*ampmatrix)[k]) TMatrixD(*amptrus) ;
432 new((*timeRmatrix)[k]) TMatrixD(*timeRtrus) ;
433 }
434
435 AliEMCALDigit * dig ;
f0377b23 436
437 //Digits loop to fill TRU matrices with amplitudes.
f0377b23 438 for(Int_t idig = 0 ; idig < digits->GetEntriesFast() ; idig++){
439
440 dig = dynamic_cast<AliEMCALDigit *>(digits->At(idig)) ;
356fd0a9 441 amp = dig->GetAmp() ; // Energy of the digit (arbitrary units)
442 id = dig->GetId() ; // Id label of the cell
443 timeR = dig->GetTimeR() ; // Earliest time of the digit
f0377b23 444
445 //Get eta and phi cell position in supermodule
446 Bool_t bCell = GetCellIndex(id, iSupMod, nTower, nIphi, nIeta) ;
447 if(!bCell)
448 Error("FillTRU","Wrong cell id number") ;
449
450 GetCellPhiEtaIndexInSModule(iSupMod,nTower,nIphi, nIeta,iphi,ieta);
451
452 //Check to which TRU in the supermodule belongs the cell.
453 //Supermodules are divided in a TRU matrix of dimension
454 //(fNTRUPhi,fNTRUEta).
455 //Each TRU is a cell matrix of dimension (nCellsPhi,nCellsEta)
456
457 //First calculate the row and column in the supermodule
458 //of the TRU to which the cell belongs.
33d0b833 459 Int_t col = ieta/nCellsEta;
460 Int_t row = iphi/nCellsPhi;
461 if(iSupMod > 9)
462 row = iphi/nCellsPhi2;
356fd0a9 463 //Calculate label number of the TRU
33d0b833 464 Int_t itru = row + col*fNTRUPhi + iSupMod*fNTRU ;
f0377b23 465
466 //Fill TRU matrix with cell values
356fd0a9 467 TMatrixD * amptrus = dynamic_cast<TMatrixD *>(ampmatrix->At(itru)) ;
468 TMatrixD * timeRtrus = dynamic_cast<TMatrixD *>(timeRmatrix->At(itru)) ;
f0377b23 469
356fd0a9 470 //Calculate row and column of the cell inside the TRU with number itru
33d0b833 471 Int_t irow = iphi - row * nCellsPhi;
472 if(iSupMod > 9)
473 irow = iphi - row * nCellsPhi2;
474 Int_t icol = ieta - col * nCellsEta;
f0377b23 475
356fd0a9 476 (*amptrus)(irow,icol) = amp ;
477 (*timeRtrus)(irow,icol) = timeR ;
f0377b23 478
479 }
f0377b23 480}
481
356fd0a9 482//______________________________________________________________________
483void AliEMCALGeometry::GetCellPhiEtaIndexInSModuleFromTRUIndex(const Int_t itru, const Int_t iphitru, const Int_t ietatru, Int_t &iphiSM, Int_t &ietaSM) const
484{
485
33d0b833 486 // This method transforms the (eta,phi) index of cells in a
356fd0a9 487 // TRU matrix into Super Module (eta,phi) index.
488
33d0b833 489 // Calculate in which row and column where the TRU are
356fd0a9 490 // ordered in the SM
491
33d0b833 492 Int_t col = itru/ fNTRUPhi ;
493 Int_t row = itru - col*fNTRUPhi ;
356fd0a9 494
495 //Calculate the (eta,phi) index in SM
496 Int_t nCellsPhi = fNPhi*2/fNTRUPhi;
497 Int_t nCellsEta = fNZ*2/fNTRUEta;
498
33d0b833 499 iphiSM = nCellsPhi*row + iphitru ;
500 ietaSM = nCellsEta*col + ietatru ;
356fd0a9 501}
f0377b23 502
c63c3c5d 503//______________________________________________________________________
b13bbe81 504AliEMCALGeometry * AliEMCALGeometry::GetInstance(){
05a92d59 505 // Returns the pointer of the unique instance
506
e52475ed 507 AliEMCALGeometry * rv = static_cast<AliEMCALGeometry *>( fgGeom );
508 return rv;
2012850d 509}
173558f2 510
b13bbe81 511//______________________________________________________________________
512AliEMCALGeometry* AliEMCALGeometry::GetInstance(const Text_t* name,
513 const Text_t* title){
514 // Returns the pointer of the unique instance
515
516 AliEMCALGeometry * rv = 0;
517 if ( fgGeom == 0 ) {
518 if ( strcmp(name,"") == 0 ) rv = 0;
e5a93224 519 else {
b13bbe81 520 fgGeom = new AliEMCALGeometry(name, title);
521 if ( fgInit ) rv = (AliEMCALGeometry * ) fgGeom;
522 else {
523 rv = 0;
524 delete fgGeom;
525 fgGeom = 0;
526 } // end if fgInit
527 } // end if strcmp(name,"")
528 }else{
e5a93224 529 if ( strcmp(fgGeom->GetName(), name) != 0) {
530 printf("\ncurrent geometry is %s : ", fgGeom->GetName());
531 printf(" you cannot call %s ", name);
b13bbe81 532 }else{
9859bfc0 533 rv = (AliEMCALGeometry *) fgGeom;
e52475ed 534 } // end
b13bbe81 535 } // end if fgGeom
536 return rv;
2012850d 537}
173558f2 538
ab37d09c 539Bool_t AliEMCALGeometry::IsInEMCAL(Double_t x, Double_t y, Double_t z) const {
dc7da436 540 // Checks whether point is inside the EMCal volume, used in AliEMCALv*.cxx
ab37d09c 541 //
542 // Code uses cylindrical approximation made of inner radius (for speed)
543 //
544 // Points behind EMCAl, i.e. R > outer radius, but eta, phi in acceptance
545 // are considered to inside
546
547 Double_t r=sqrt(x*x+y*y);
548
549 if ( r > fEnvelop[0] ) {
550 Double_t theta;
551 theta = TMath::ATan2(r,z);
552 Double_t eta;
553 if(theta == 0)
554 eta = 9999;
555 else
556 eta = -TMath::Log(TMath::Tan(theta/2.));
557 if (eta < fArm1EtaMin || eta > fArm1EtaMax)
558 return 0;
559
560 Double_t phi = TMath::ATan2(y,x) * 180./TMath::Pi();
561 if (phi > fArm1PhiMin && phi < fArm1PhiMax)
562 return 1;
563 }
564 return 0;
565}
c63c3c5d 566// ==
1963b290 567
568//
569// == Shish-kebab cases ==
570//
e52475ed 571Int_t AliEMCALGeometry::GetAbsCellId(Int_t nSupMod, Int_t nTower, Int_t nIphi, Int_t nIeta) const
dc7da436 572{
573 // 27-aug-04;
d87bd045 574 // corr. 21-sep-04;
575 // 13-oct-05; 110 degree case
dc7da436 576 // May 31, 2006; ALICE numbering scheme:
577 // 0 <= nSupMod < fNumberOfSuperModules
578 // 0 <= nTower < fNPHI * fNZ ( fNPHI * fNZ/2 for fKey110DEG=1)
579 // 0 <= nIphi < fNPHIdiv
580 // 0 <= nIeta < fNETAdiv
581 // 0 <= absid < fNCells
582 static Int_t id=0; // have to change from 0 to fNCells-1
583 if(fKey110DEG == 1 && nSupMod >= 10) { // 110 degree case; last two supermodules
584 id = fNCellsInSupMod*10 + (fNCellsInSupMod/2)*(nSupMod-10);
d87bd045 585 } else {
dc7da436 586 id = fNCellsInSupMod*nSupMod;
d87bd045 587 }
dc7da436 588 id += fNCellsInTower *nTower;
589 id += fNPHIdiv *nIphi;
1963b290 590 id += nIeta;
dc7da436 591 if(id<0 || id >= fNCells) {
500aeccc 592// printf(" wrong numerations !!\n");
593// printf(" id %6i(will be force to -1)\n", id);
594// printf(" fNCells %6i\n", fNCells);
595// printf(" nSupMod %6i\n", nSupMod);
596// printf(" nTower %6i\n", nTower);
597// printf(" nIphi %6i\n", nIphi);
598// printf(" nIeta %6i\n", nIeta);
dc7da436 599 id = -TMath::Abs(id); // if negative something wrong
1963b290 600 }
601 return id;
602}
603
dc7da436 604Bool_t AliEMCALGeometry::CheckAbsCellId(Int_t absId) const
fc575e27 605{
dc7da436 606 // May 31, 2006; only trd1 now
607 if(absId<0 || absId >= fNCells) return kFALSE;
608 else return kTRUE;
1963b290 609}
610
e52475ed 611Bool_t AliEMCALGeometry::GetCellIndex(Int_t absId,Int_t &nSupMod,Int_t &nTower,Int_t &nIphi,Int_t &nIeta) const
fc575e27 612{
dc7da436 613 // 21-sep-04; 19-oct-05;
614 // May 31, 2006; ALICE numbering scheme:
d87bd045 615 static Int_t tmp=0, sm10=0;
dc7da436 616 if(!CheckAbsCellId(absId)) return kFALSE;
617
d87bd045 618 sm10 = fNCellsInSupMod*10;
dc7da436 619 if(fKey110DEG == 1 && absId >= sm10) { // 110 degree case; last two supermodules
620 nSupMod = (absId-sm10) / (fNCellsInSupMod/2) + 10;
621 tmp = (absId-sm10) % (fNCellsInSupMod/2);
d87bd045 622 } else {
dc7da436 623 nSupMod = absId / fNCellsInSupMod;
624 tmp = absId % fNCellsInSupMod;
d87bd045 625 }
1963b290 626
dc7da436 627 nTower = tmp / fNCellsInTower;
1963b290 628 tmp = tmp % fNCellsInTower;
dc7da436 629 nIphi = tmp / fNPHIdiv;
630 nIeta = tmp % fNPHIdiv;
1963b290 631
632 return kTRUE;
633}
634
dc7da436 635void AliEMCALGeometry::GetModulePhiEtaIndexInSModule(Int_t nSupMod, Int_t nTower, int &iphim, int &ietam) const
fc575e27 636{
dc7da436 637 // added nSupMod; have to check - 19-oct-05 !
638 // Alice numbering scheme - Jun 01,2006
d87bd045 639 static Int_t nphi;
640
dc7da436 641 if(fKey110DEG == 1 && nSupMod>=10) nphi = fNPhi/2;
d87bd045 642 else nphi = fNPhi;
643
dc7da436 644 ietam = nTower/nphi; // have to change from 0 to fNZ-1
645 iphim = nTower%nphi; // have to change from 0 to fNPhi-1
d87bd045 646}
647
eb0b1051 648void AliEMCALGeometry::GetCellPhiEtaIndexInSModule(Int_t nSupMod, Int_t nTower, Int_t nIphi, Int_t nIeta,
e52475ed 649int &iphi, int &ieta) const
fc575e27 650{
651 // added nSupMod; Nov 25, 05
dc7da436 652 // Alice numbering scheme - Jun 01,2006
653 static Int_t iphim, ietam;
654
655 GetModulePhiEtaIndexInSModule(nSupMod,nTower, iphim, ietam);
656 // have to change from 0 to (fNZ*fNETAdiv-1)
657 ieta = ietam*fNETAdiv + (1-nIeta); // x(module) = -z(SM)
658 // iphi - have to change from 0 to (fNPhi*fNPHIdiv-1)
659 iphi = iphim*fNPHIdiv + nIphi; // y(module) = y(SM)
1963b290 660}
e52475ed 661
662Int_t AliEMCALGeometry::GetSuperModuleNumber(Int_t absId) const
663{
fc575e27 664 //return the number of the
665 //supermodule given the absolute
666 //ALICE numbering
667
e52475ed 668 static Int_t nSupMod, nTower, nIphi, nIeta;
669 GetCellIndex(absId, nSupMod, nTower, nIphi, nIeta);
670 return nSupMod;
671}
672
673// Methods for AliEMCALRecPoint - Feb 19, 2006
14e75ea7 674Bool_t AliEMCALGeometry::RelPosCellInSModule(Int_t absId, Double_t &xr, Double_t &yr, Double_t &zr) const
e52475ed 675{
1933eff2 676 // Look to see what the relative
677 // position inside a given cell is
678 // for a recpoint.
679 // Alice numbering scheme - Jun 08, 2006
fc575e27 680
e52475ed 681 static Int_t nSupMod, nTower, nIphi, nIeta, iphi, ieta;
1933eff2 682 static Int_t phiIndexShift=6;
e52475ed 683 if(!CheckAbsCellId(absId)) return kFALSE;
684
685 GetCellIndex(absId, nSupMod, nTower, nIphi, nIeta);
686 GetCellPhiEtaIndexInSModule(nSupMod,nTower,nIphi,nIeta, iphi, ieta);
687
dc7da436 688 xr = fXCentersOfCells.At(ieta);
689 zr = fEtaCentersOfCells.At(ieta);
e52475ed 690
1933eff2 691 if(nSupMod<10) {
692 yr = fPhiCentersOfCells.At(iphi);
693 } else {
694 yr = fPhiCentersOfCells.At(iphi + phiIndexShift);
18eb623b 695 // cout<<" absId "<<absId<<" nSupMod "<<nSupMod << " iphi "<<iphi<<" ieta "<<ieta;
696 // cout<< " xr " << xr << " yr " << yr << " zr " << zr <<endl;
1933eff2 697 }
e52475ed 698
e52475ed 699 return kTRUE;
700}
701
14e75ea7 702Bool_t AliEMCALGeometry::RelPosCellInSModule(Int_t absId, Double_t loc[3]) const
703{
704 // Alice numbering scheme - Jun 03, 2006
705 loc[0] = loc[1] = loc[2]=0.0;
706 if(RelPosCellInSModule(absId, loc[0],loc[1],loc[2])) {
707 return kTRUE;
708 }
709 return kFALSE;
710}
711
712Bool_t AliEMCALGeometry::RelPosCellInSModule(Int_t absId, TVector3 &vloc) const
713{
714 static Double_t loc[3];
715 if(RelPosCellInSModule(absId,loc)) {
716 vloc.SetXYZ(loc[0], loc[1], loc[2]);
717 return kTRUE;
718 } else {
719 vloc.SetXYZ(0,0,0);
720 return kFALSE;
721 }
722 // Alice numbering scheme - Jun 03, 2006
723}
724
e52475ed 725void AliEMCALGeometry::CreateListOfTrd1Modules()
726{
fc575e27 727 //Generate the list of Trd1 modules
728 //which will make up the EMCAL
729 //geometry
730
e5a93224 731 AliDebug(2,Form(" AliEMCALGeometry::CreateListOfTrd1Modules() started "));
732
e52475ed 733 AliEMCALShishKebabTrd1Module *mod=0, *mTmp=0; // current module
734 if(fShishKebabTrd1Modules == 0) {
735 fShishKebabTrd1Modules = new TList;
736 for(int iz=0; iz< GetNZ(); iz++) {
737 if(iz==0) {
738 mod = new AliEMCALShishKebabTrd1Module(TMath::Pi()/2.,this);
739 } else {
740 mTmp = new AliEMCALShishKebabTrd1Module(*mod);
741 mod = mTmp;
742 }
743 fShishKebabTrd1Modules->Add(mod);
744 }
745 } else {
e5a93224 746 AliDebug(2,Form(" Already exits : "));
e52475ed 747 }
e5a93224 748 AliDebug(2,Form(" fShishKebabTrd1Modules has %i modules \n",
749 fShishKebabTrd1Modules->GetSize()));
e52475ed 750 // Feb 20,2006;
dc7da436 751 // Jun 01, 2006 - ALICE numbering scheme
e52475ed 752 // define grid for cells in eta(z) and x directions in local coordinates system of SM
dc7da436 753 // fEtaCentersOfCells = new TArrayD(fNZ *fNETAdiv);
754 // fXCentersOfCells = new TArrayD(fNZ *fNETAdiv);
755 fEtaCentersOfCells.Set(fNZ *fNETAdiv);
756 fXCentersOfCells.Set(fNZ *fNETAdiv);
757 AliDebug(2,Form(" Cells grid in eta directions : size %i\n", fEtaCentersOfCells.GetSize()));
e52475ed 758 Int_t iphi=0, ieta=0, nTower=0;
759 Double_t xr, zr;
760 for(Int_t it=0; it<fNZ; it++) { // array index
761 AliEMCALShishKebabTrd1Module *trd1 = GetShishKebabModule(it);
dc7da436 762 nTower = fNPhi*it;
e52475ed 763 for(Int_t ic=0; ic<fNETAdiv; ic++) { // array index
dc7da436 764 trd1->GetCenterOfCellInLocalCoordinateofSM(ic, xr, zr);
765 GetCellPhiEtaIndexInSModule(0, nTower, 0, ic, iphi, ieta); // don't depend from phi - ieta in action
766 fXCentersOfCells.AddAt(float(xr) - fParSM[0],ieta);
767 fEtaCentersOfCells.AddAt(float(zr) - fParSM[2],ieta);
e52475ed 768 }
769 }
dc7da436 770 for(Int_t i=0; i<fEtaCentersOfCells.GetSize(); i++) {
e5a93224 771 AliDebug(2,Form(" ind %2.2i : z %8.3f : x %8.3f", i+1,
dc7da436 772 fEtaCentersOfCells.At(i),fXCentersOfCells.At(i)));
e52475ed 773 }
e5a93224 774
e52475ed 775 // define grid for cells in phi(y) direction in local coordinates system of SM
dc7da436 776 // fPhiCentersOfCells = new TArrayD(fNPhi*fNPHIdiv);
777 fPhiCentersOfCells.Set(fNPhi*fNPHIdiv);
778 AliDebug(2,Form(" Cells grid in phi directions : size %i\n", fPhiCentersOfCells.GetSize()));
e52475ed 779 Int_t ind=0;
780 for(Int_t it=0; it<fNPhi; it++) { // array index
781 Float_t ytLeftCenterModule = -fParSM[1] + fPhiModuleSize*(2*it+1)/2; // module
782 for(Int_t ic=0; ic<fNPHIdiv; ic++) { // array index
783 Float_t ytLeftCenterCell = ytLeftCenterModule + fPhiTileSize *(2*ic-1)/2.; // tower(cell)
dc7da436 784 fPhiCentersOfCells.AddAt(ytLeftCenterCell,ind);
785 AliDebug(2,Form(" ind %2.2i : y %8.3f ", ind, fPhiCentersOfCells.At(ind)));
e5a93224 786 ind++;
e52475ed 787 }
788 }
e52475ed 789}
790
791void AliEMCALGeometry::GetTransformationForSM()
792{
fc575e27 793 //Uses the geometry manager to
794 //load the transformation matrix
795 //for the supermodules
796
e52475ed 797 static Bool_t transInit=kFALSE;
798 if(transInit) return;
799
800 int i=0;
801 if(gGeoManager == 0) {
802 Info("CreateTransformationForSM() "," Load geometry : TGeoManager::Import()");
803 assert(0);
804 }
805 TGeoNode *tn = gGeoManager->GetTopNode();
fc575e27 806 TGeoNode *node=0, *xen1 = 0;
e52475ed 807 for(i=0; i<tn->GetNdaughters(); i++) {
808 node = tn->GetDaughter(i);
809 TString ns(node->GetName());
810 if(ns.Contains(GetNameOfEMCALEnvelope())) {
fc575e27 811 xen1 = node;
e52475ed 812 break;
813 }
814 }
fc575e27 815 if(!xen1) {
e52475ed 816 Info("CreateTransformationForSM() "," geometry has not EMCAL envelope with name %s",
817 GetNameOfEMCALEnvelope());
818 assert(0);
819 }
fc575e27 820 printf(" i %i : EMCAL Envelope is %s : #SM %i \n", i, xen1->GetName(), xen1->GetNdaughters());
821 for(i=0; i<xen1->GetNdaughters(); i++) {
822 TGeoNodeMatrix *sm = (TGeoNodeMatrix*)xen1->GetDaughter(i);
e52475ed 823 fMatrixOfSM[i] = sm->GetMatrix();
64942713 824 //Compiler doesn't like this syntax...
825 // printf(" %i : matrix %x \n", i, fMatrixOfSM[i]);
e52475ed 826 }
827 transInit = kTRUE;
828}
829
14e75ea7 830void AliEMCALGeometry::GetGlobal(const Double_t *loc, Double_t *glob, int ind) const
e52475ed 831{
14e75ea7 832 // Figure out the global numbering
833 // of a given supermodule from the
834 // local numbering
835 // Alice numbering - Jun 03,2006
e52475ed 836 // if(fMatrixOfSM[0] == 0) GetTransformationForSM();
14e75ea7 837
e52475ed 838 if(ind>=0 && ind < GetNumberOfSuperModules()) {
839 fMatrixOfSM[ind]->LocalToMaster(loc, glob);
840 }
841}
842
25b033cf 843void AliEMCALGeometry::GetGlobal(const TVector3 &vloc, TVector3 &vglob, int ind) const
844{
845 //Figure out the global numbering
846 //of a given supermodule from the
847 //local numbering given a 3-vector location
848
849 static Double_t tglob[3], tloc[3];
850 vloc.GetXYZ(tloc);
851 GetGlobal(tloc, tglob, ind);
852 vglob.SetXYZ(tglob[0], tglob[1], tglob[2]);
853}
854
14e75ea7 855void AliEMCALGeometry::GetGlobal(Int_t absId , double glob[3]) const
856{
857 // Alice numbering scheme - Jun 03, 2006
858 static Int_t nSupMod, nModule, nIphi, nIeta;
859 static double loc[3];
860
861 glob[0]=glob[1]=glob[2]=0.0; // bad case
862 if(RelPosCellInSModule(absId, loc)) {
863 GetCellIndex(absId, nSupMod, nModule, nIphi, nIeta);
864 fMatrixOfSM[nSupMod]->LocalToMaster(loc, glob);
865 }
e52475ed 866}
867
14e75ea7 868void AliEMCALGeometry::GetGlobal(Int_t absId , TVector3 &vglob) const
869{
870 // Alice numbering scheme - Jun 03, 2006
871 static Double_t glob[3];
872
873 GetGlobal(absId, glob);
874 vglob.SetXYZ(glob[0], glob[1], glob[2]);
875
876}
877
e52475ed 878void AliEMCALGeometry::GetGlobal(const AliRecPoint *rp, TVector3 &vglob) const
879{
664bfd66 880 // Figure out the global numbering
881 // of a given supermodule from the
882 // local numbering for RecPoints
fc575e27 883
e52475ed 884 static TVector3 vloc;
14e75ea7 885 static Int_t nSupMod, nModule, nIphi, nIeta;
e52475ed 886
887 AliRecPoint *rpTmp = (AliRecPoint*)rp; // const_cast ??
888 if(!rpTmp) return;
889 AliEMCALRecPoint *rpEmc = (AliEMCALRecPoint*)rpTmp;
890
14e75ea7 891 GetCellIndex(rpEmc->GetAbsId(0), nSupMod, nModule, nIphi, nIeta);
e52475ed 892 rpTmp->GetLocalPosition(vloc);
893 GetGlobal(vloc, vglob, nSupMod);
894}
895
664bfd66 896void AliEMCALGeometry::EtaPhiFromIndex(Int_t absId,Float_t &eta,Float_t &phi) const
897{
898 // Jun 03, 2006 - version for TRD1
899 static TVector3 vglob;
900 GetGlobal(absId, vglob);
901 eta = vglob.Eta();
902 phi = vglob.Phi();
903}
904
fc575e27 905AliEMCALShishKebabTrd1Module* AliEMCALGeometry::GetShishKebabModule(Int_t neta=0)
906{
907 //This method was too long to be
908 //included in the header file - the
909 //rule checker complained about it's
910 //length, so we move it here. It returns the
911 //shishkebabmodule at a given eta index point.
912
913 static AliEMCALShishKebabTrd1Module* trd1=0;
914 if(fShishKebabTrd1Modules && neta>=0 && neta<fShishKebabTrd1Modules->GetSize()) {
915 trd1 = (AliEMCALShishKebabTrd1Module*)fShishKebabTrd1Modules->At(neta);
916 } else trd1 = 0;
917 return trd1;
918}