Chamber half-planes of stations 3-5 at different z-positions.
[u/mrichter/AliRoot.git] / PHOS / AliPHOSGeometry.cxx
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d15a28e7 1/**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
3 * *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
6 * *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
15
b2a60966 16/* $Id$ */
17
d15a28e7 18//_________________________________________________________________________
b2a60966 19// Geometry class for PHOS : singleton
20// The EMC modules are parametrized so that any configuration can be easily implemented
52a36ffd 21// The title is used to identify the type of CPV used.
b2a60966 22//
23//*-- Author: Yves Schutz (SUBATECH)
d15a28e7 24
25// --- ROOT system ---
26
27#include "TVector3.h"
28#include "TRotation.h"
29
30// --- Standard library ---
31
de9ec31b 32#include <iostream.h>
d15a28e7 33
34// --- AliRoot header files ---
35
36#include "AliPHOSGeometry.h"
37#include "AliPHOSPpsdRecPoint.h"
38#include "AliConst.h"
39
9ec91567 40ClassImp(AliPHOSGeometry) ;
d15a28e7 41
9ec91567 42AliPHOSGeometry * AliPHOSGeometry::fgGeom = 0 ;
282c5906 43Bool_t AliPHOSGeometry::fgInit = kFALSE ;
9ec91567 44
d15a28e7 45//____________________________________________________________________________
46AliPHOSGeometry::~AliPHOSGeometry(void)
47{
b2a60966 48 // dtor
49
52a36ffd 50 if (fRotMatrixArray) fRotMatrixArray->Delete() ;
51 if (fRotMatrixArray) delete fRotMatrixArray ;
52 if (fPHOSAngle ) delete fPHOSAngle ;
eb92d866 53// if (fGeometryEMCA ) detete fGeometryEMCA;
54// if (fGeometryCPV ) detete fGeometryCPV ;
52a36ffd 55}
56
57//____________________________________________________________________________
58
59void AliPHOSGeometry::Init(void)
60{
61 // Initializes the PHOS parameters
62
63 cout << "PHOS geometry setup: parameters for option " << fName << " " << fTitle << endl ;
64 if ( ((strcmp( fName, "default" )) == 0) ||
65 ((strcmp( fName, "GPS2" )) == 0) ||
66 ((strcmp( fName, "IHEP" )) == 0) ) {
67 fgInit = kTRUE ;
eb92d866 68 fGeometryEMCA = new AliPHOSEMCAGeometry();
69 if ( ((strcmp( fName, "GPS2" )) == 0) ) fGeometryCPV = new AliPHOSPPSDGeometry();
70 if ( ((strcmp( fName, "IHEP" )) == 0) ) fGeometryCPV = new AliPHOSCPVGeometry ();
52a36ffd 71 fNModules = 5;
72 fPHOSAngle = new Float_t[fNModules] ;
73 Int_t index ;
74 for ( index = 0; index < fNModules; index++ )
75 fPHOSAngle[index] = 0.0 ; // Module position angles are set in CreateGeometry()
76
77 this->SetPHOSAngles() ;
78 fRotMatrixArray = new TObjArray(fNModules) ;
79 }
80 else {
81 fgInit = kFALSE ;
82 cout << "PHOS Geometry setup: option not defined " << fName << endl ;
83 }
84}
85
86//____________________________________________________________________________
87AliPHOSGeometry * AliPHOSGeometry::GetInstance()
88{
89 // Returns the pointer of the unique instance
90 return (AliPHOSGeometry *) fgGeom ;
91}
92
93//____________________________________________________________________________
94AliPHOSGeometry * AliPHOSGeometry::GetInstance(const Text_t* name, const Text_t* title)
95{
96 // Returns the pointer of the unique instance
97 AliPHOSGeometry * rv = 0 ;
98 if ( fgGeom == 0 ) {
99 if ( strcmp(name,"") == 0 )
100 rv = 0 ;
101 else {
102 fgGeom = new AliPHOSGeometry(name, title) ;
103 if ( fgInit )
104 rv = (AliPHOSGeometry * ) fgGeom ;
105 else {
106 rv = 0 ;
107 delete fgGeom ;
108 fgGeom = 0 ;
109 }
110 }
111 }
112 else {
113 if ( strcmp(fgGeom->GetName(), name) != 0 ) {
114 cout << "AliPHOSGeometry <E> : current geometry is " << fgGeom->GetName() << endl
115 << " you cannot call " << name << endl ;
116 }
117 else
118 rv = (AliPHOSGeometry *) fgGeom ;
119 }
120 return rv ;
121}
4697edca 122
52a36ffd 123//____________________________________________________________________________
124void AliPHOSGeometry::SetPHOSAngles()
125{
126 // Calculates the position in ALICE of the PHOS modules
127
128 Double_t const kRADDEG = 180.0 / kPI ;
129 Float_t pphi = TMath::ATan( GetOuterBoxSize(0) / ( 2.0 * GetIPtoOuterCoverDistance() ) ) ;
130 pphi *= kRADDEG ;
131
132 for( Int_t i = 1; i <= fNModules ; i++ ) {
133 Float_t angle = pphi * 2 * ( i - fNModules / 2.0 - 0.5 ) ;
134 fPHOSAngle[i-1] = - angle ;
135 }
d15a28e7 136}
137
138//____________________________________________________________________________
92862013 139Bool_t AliPHOSGeometry::AbsToRelNumbering(const Int_t AbsId, Int_t * relid)
d15a28e7 140{
b2a60966 141 // Converts the absolute numbering into the following array/
142 // relid[0] = PHOS Module number 1:fNModules
143 // relid[1] = 0 if PbW04
144 // = PPSD Module number 1:fNumberOfModulesPhi*fNumberOfModulesZ*2 (2->up and bottom level)
145 // relid[2] = Row number inside a PHOS or PPSD module
146 // relid[3] = Column number inside a PHOS or PPSD module
d15a28e7 147
148 Bool_t rv = kTRUE ;
92862013 149 Float_t id = AbsId ;
d15a28e7 150
92862013 151 Int_t phosmodulenumber = (Int_t)TMath:: Ceil( id / ( GetNPhi() * GetNZ() ) ) ;
d15a28e7 152
52a36ffd 153 if ( phosmodulenumber > GetNModules() ) { // it is a PPSD or CPV pad
154
155 if ( strcmp(fName,"GPS2") == 0 ) {
156 id -= GetNPhi() * GetNZ() * GetNModules() ;
157 Float_t tempo = 2 * GetNumberOfModulesPhi() * GetNumberOfModulesZ() * GetNumberOfPadsPhi() * GetNumberOfPadsZ() ;
158 relid[0] = (Int_t)TMath::Ceil( id / tempo ) ;
159 id -= ( relid[0] - 1 ) * tempo ;
160 relid[1] = (Int_t)TMath::Ceil( id / ( GetNumberOfPadsPhi() * GetNumberOfPadsZ() ) ) ;
161 id -= ( relid[1] - 1 ) * GetNumberOfPadsPhi() * GetNumberOfPadsZ() ;
162 relid[2] = (Int_t)TMath::Ceil( id / GetNumberOfPadsPhi() ) ;
163 relid[3] = (Int_t) ( id - ( relid[2] - 1 ) * GetNumberOfPadsPhi() ) ;
164 }
165 else if ( strcmp(fName,"IHEP") == 0 ) {
166 id -= GetNPhi() * GetNZ() * GetNModules() ;
167 relid[0] = (Int_t) TMath::Ceil( id / ( GetNumberOfPadsPhi() * GetNumberOfPadsZ() ) ) ;
168 relid[1] = 1 ;
169 id -= ( relid[0] - 1 ) * GetNumberOfPadsPhi() * GetNumberOfPadsZ() ;
170 relid[2] = (Int_t) TMath::Ceil( id / GetNumberOfPadsZ() ) ;
171 relid[3] = (Int_t) ( id - ( relid[2] - 1 ) * GetNumberOfPadsZ() ) ;
172 }
d15a28e7 173 }
174 else { // its a PW04 crystal
175
92862013 176 relid[0] = phosmodulenumber ;
177 relid[1] = 0 ;
178 id -= ( phosmodulenumber - 1 ) * GetNPhi() * GetNZ() ;
179 relid[2] = (Int_t)TMath::Ceil( id / GetNPhi() ) ;
180 relid[3] = (Int_t)( id - ( relid[2] - 1 ) * GetNPhi() ) ;
d15a28e7 181 }
182 return rv ;
183}
52a36ffd 184
9f616d61 185//____________________________________________________________________________
186void AliPHOSGeometry::EmcModuleCoverage(const Int_t mod, Double_t & tm, Double_t & tM, Double_t & pm, Double_t & pM, Option_t * opt)
187{
188 // calculates the angular coverage in theta and phi of a EMC module
189
190 Double_t conv ;
cf0c2bc1 191 if ( opt == Radian() )
9f616d61 192 conv = 1. ;
cf0c2bc1 193 else if ( opt == Degre() )
9f616d61 194 conv = 180. / TMath::Pi() ;
195 else {
196 cout << "<I> AliPHOSGeometry::EmcXtalCoverage : " << opt << " unknown option; result in radian " << endl ;
197 conv = 1. ;
198 }
199
200 Float_t phi = GetPHOSAngle(mod) * (TMath::Pi() / 180.) ;
92862013 201 Float_t y0 = GetIPtoOuterCoverDistance() + GetUpperPlateThickness()
9f616d61 202 + GetSecondUpperPlateThickness() + GetUpperCoolingPlateThickness() ;
203
92862013 204 Double_t angle = TMath::ATan( GetCrystalSize(0)*GetNPhi() / (2 * y0) ) ;
9f616d61 205 phi = phi + 1.5 * TMath::Pi() ; // to follow the convention of the particle generator(PHOS is between 230 and 310 deg.)
92862013 206 Double_t max = phi - angle ;
207 Double_t min = phi + angle ;
208 pM = TMath::Max(max, min) * conv ;
209 pm = TMath::Min(max, min) * conv ;
9f616d61 210
92862013 211 angle = TMath::ATan( GetCrystalSize(2)*GetNZ() / (2 * y0) ) ;
212 max = TMath::Pi() / 2. + angle ; // to follow the convention of the particle generator(PHOS is at 90 deg.)
213 min = TMath::Pi() / 2. - angle ;
214 tM = TMath::Max(max, min) * conv ;
215 tm = TMath::Min(max, min) * conv ;
9f616d61 216
217}
218
219//____________________________________________________________________________
220void AliPHOSGeometry::EmcXtalCoverage(Double_t & theta, Double_t & phi, Option_t * opt)
221{
222 // calculates the angular coverage in theta and phi of a single crystal in a EMC module
223
224 Double_t conv ;
cf0c2bc1 225 if ( opt == Radian() )
9f616d61 226 conv = 1. ;
cf0c2bc1 227 else if ( opt == Degre() )
9f616d61 228 conv = 180. / TMath::Pi() ;
229 else {
230 cout << "<I> AliPHOSGeometry::EmcXtalCoverage : " << opt << " unknown option; result in radian " << endl ;
231 conv = 1. ;
232 }
233
92862013 234 Float_t y0 = GetIPtoOuterCoverDistance() + GetUpperPlateThickness()
9f616d61 235 + GetSecondUpperPlateThickness() + GetUpperCoolingPlateThickness() ;
92862013 236 theta = 2 * TMath::ATan( GetCrystalSize(2) / (2 * y0) ) * conv ;
237 phi = 2 * TMath::ATan( GetCrystalSize(0) / (2 * y0) ) * conv ;
9f616d61 238}
239
240
241//____________________________________________________________________________
52a36ffd 242void AliPHOSGeometry::GetGlobal(const AliRecPoint* RecPoint, TVector3 & gpos, TMatrix & gmat) const
d15a28e7 243{
b2a60966 244 // Calculates the ALICE global coordinates of a RecPoint and the error matrix
245
d15a28e7 246 AliPHOSRecPoint * tmpPHOS = (AliPHOSRecPoint *) RecPoint ;
92862013 247 TVector3 localposition ;
d15a28e7 248
249 tmpPHOS->GetLocalPosition(gpos) ;
250
251
252 if ( tmpPHOS->IsEmc() ) // it is a EMC crystal
253 { gpos.SetY( -(GetIPtoOuterCoverDistance() + GetUpperPlateThickness() +
254 GetSecondUpperPlateThickness() + GetUpperCoolingPlateThickness()) ) ;
255
256 }
257 else
258 { // it is a PPSD pad
259 AliPHOSPpsdRecPoint * tmpPpsd = (AliPHOSPpsdRecPoint *) RecPoint ;
260 if (tmpPpsd->GetUp() ) // it is an upper module
261 {
262 gpos.SetY(-( GetIPtoOuterCoverDistance() - GetMicromegas2Thickness() -
263 GetLeadToMicro2Gap() - GetLeadConverterThickness() -
264 GetMicro1ToLeadGap() - GetMicromegas1Thickness() / 2.0 ) ) ;
265 }
266 else // it is a lower module
267 gpos.SetY(-( GetIPtoOuterCoverDistance() - GetMicromegas2Thickness() / 2.0) ) ;
268 }
269
92862013 270 Float_t phi = GetPHOSAngle( tmpPHOS->GetPHOSMod()) ;
271 Double_t const kRADDEG = 180.0 / kPI ;
272 Float_t rphi = phi / kRADDEG ;
d15a28e7 273
92862013 274 TRotation rot ;
275 rot.RotateZ(-rphi) ; // a rotation around Z by angle
d15a28e7 276
92862013 277 TRotation dummy = rot.Invert() ; // to transform from original frame to rotate frame
278 gpos.Transform(rot) ; // rotate the baby
6ad0bfa0 279
d15a28e7 280}
281
282//____________________________________________________________________________
5cda30f6 283void AliPHOSGeometry::GetGlobal(const AliRecPoint* RecPoint, TVector3 & gpos) const
d15a28e7 284{
b2a60966 285 // Calculates the ALICE global coordinates of a RecPoint
286
d15a28e7 287 AliPHOSRecPoint * tmpPHOS = (AliPHOSRecPoint *) RecPoint ;
92862013 288 TVector3 localposition ;
d15a28e7 289 tmpPHOS->GetLocalPosition(gpos) ;
290
291
292 if ( tmpPHOS->IsEmc() ) // it is a EMC crystal
293 { gpos.SetY( -(GetIPtoOuterCoverDistance() + GetUpperPlateThickness() +
294 GetSecondUpperPlateThickness() + GetUpperCoolingPlateThickness()) ) ;
295 }
296 else
297 { // it is a PPSD pad
298 AliPHOSPpsdRecPoint * tmpPpsd = (AliPHOSPpsdRecPoint *) RecPoint ;
299 if (tmpPpsd->GetUp() ) // it is an upper module
300 {
301 gpos.SetY(-( GetIPtoOuterCoverDistance() - GetMicromegas2Thickness() -
302 GetLeadToMicro2Gap() - GetLeadConverterThickness() -
303 GetMicro1ToLeadGap() - GetMicromegas1Thickness() / 2.0 ) ) ;
304 }
305 else // it is a lower module
306 gpos.SetY(-( GetIPtoOuterCoverDistance() - GetMicromegas2Thickness() / 2.0) ) ;
307 }
308
92862013 309 Float_t phi = GetPHOSAngle( tmpPHOS->GetPHOSMod()) ;
310 Double_t const kRADDEG = 180.0 / kPI ;
311 Float_t rphi = phi / kRADDEG ;
d15a28e7 312
92862013 313 TRotation rot ;
314 rot.RotateZ(-rphi) ; // a rotation around Z by angle
d15a28e7 315
92862013 316 TRotation dummy = rot.Invert() ; // to transform from original frame to rotate frame
317 gpos.Transform(rot) ; // rotate the baby
d15a28e7 318}
319
320//____________________________________________________________________________
52a36ffd 321void AliPHOSGeometry::ImpactOnEmc(const Double_t theta, const Double_t phi, Int_t & ModuleNumber, Double_t & z, Double_t & x)
d15a28e7 322{
52a36ffd 323 // calculates the impact coordinates of a neutral particle
324 // emitted in direction theta and phi in ALICE
d15a28e7 325
52a36ffd 326 // searches for the PHOS EMC module
327 ModuleNumber = 0 ;
328 Double_t tm, tM, pm, pM ;
329 Int_t index = 1 ;
330 while ( ModuleNumber == 0 && index <= GetNModules() ) {
331 EmcModuleCoverage(index, tm, tM, pm, pM) ;
332 if ( (theta >= tm && theta <= tM) && (phi >= pm && phi <= pM ) )
333 ModuleNumber = index ;
334 index++ ;
d15a28e7 335 }
52a36ffd 336 if ( ModuleNumber != 0 ) {
337 Float_t phi0 = GetPHOSAngle(ModuleNumber) * (TMath::Pi() / 180.) + 1.5 * TMath::Pi() ;
338 Float_t y0 = GetIPtoOuterCoverDistance() + GetUpperPlateThickness()
339 + GetSecondUpperPlateThickness() + GetUpperCoolingPlateThickness() ;
340 Double_t angle = phi - phi0;
341 x = y0 * TMath::Tan(angle) ;
342 angle = theta - TMath::Pi() / 2 ;
343 z = y0 * TMath::Tan(angle) ;
d15a28e7 344 }
d15a28e7 345}
346
347//____________________________________________________________________________
92862013 348Bool_t AliPHOSGeometry::RelToAbsNumbering(const Int_t * relid, Int_t & AbsId)
d15a28e7 349{
b2a60966 350 // Converts the relative numbering into the absolute numbering
52a36ffd 351 // AbsId = 1 to fNModules * fNPhi * fNZ -> PbWO4
352 // AbsId = N(total PHOS crystals) +
353 // 1 to fNModules * 2 * (fNumberOfModulesPhi * fNumberOfModulesZ) * fNumberOfPadsPhi * fNumberOfPadsZ -> PPSD
354 // AbsId = N(total PHOS crystals) +
355 // 1:fNModules * fNumberOfCPVPadsPhi * fNumberOfCPVPadsZ -> CPV
d15a28e7 356
357 Bool_t rv = kTRUE ;
358
52a36ffd 359 if ( relid[1] > 0 ) { // it is a PPSD pad
360 AbsId = GetNPhi() * GetNZ() * GetNModules() // the offset to separate EMCA crystals from PPSD pads
92862013 361 + ( relid[0] - 1 ) * GetNumberOfModulesPhi() * GetNumberOfModulesZ() // the pads offset of PHOS modules
d15a28e7 362 * GetNumberOfPadsPhi() * GetNumberOfPadsZ() * 2
92862013 363 + ( relid[1] - 1 ) * GetNumberOfPadsPhi() * GetNumberOfPadsZ() // the pads offset of PPSD modules
364 + ( relid[2] - 1 ) * GetNumberOfPadsPhi() // the pads offset of a PPSD row
52a36ffd 365 + relid[3] ; // the column number
d15a28e7 366 }
52a36ffd 367
368 else if ( relid[1] == 0 ) { // it is a Phos crystal
369 AbsId =
370 ( relid[0] - 1 ) * GetNPhi() * GetNZ() // the offset of PHOS modules
371 + ( relid[2] - 1 ) * GetNPhi() // the offset of a xtal row
372 + relid[3] ; // the column number
d15a28e7 373 }
374
52a36ffd 375 else if ( relid[1] == -1 ) { // it is a CPV pad
376 AbsId = GetNPhi() * GetNZ() * GetNModules() // the offset to separate EMCA crystals from CPV pads
377 + ( relid[0] - 1 ) * GetNumberOfPadsPhi() * GetNumberOfPadsZ() // the pads offset of PHOS modules
378 + ( relid[2] - 1 ) * GetNumberOfPadsZ() // the pads offset of a CPV row
379 + relid[3] ; // the column number
380 }
381
d15a28e7 382 return rv ;
383}
384
385//____________________________________________________________________________
386
92862013 387void AliPHOSGeometry::RelPosInAlice(const Int_t id, TVector3 & pos )
d15a28e7 388{
b2a60966 389 // Converts the absolute numbering into the global ALICE coordinates
390
92862013 391 if (id > 0) {
d15a28e7 392
92862013 393 Int_t relid[4] ;
d15a28e7 394
92862013 395 AbsToRelNumbering(id , relid) ;
d15a28e7 396
92862013 397 Int_t phosmodule = relid[0] ;
d15a28e7 398
92862013 399 Float_t y0 = 0 ;
9f616d61 400
92862013 401 if ( relid[1] == 0 ) // it is a PbW04 crystal
402 { y0 = -(GetIPtoOuterCoverDistance() + GetUpperPlateThickness()
9f616d61 403 + GetSecondUpperPlateThickness() + GetUpperCoolingPlateThickness()) ;
d15a28e7 404 }
92862013 405 if ( relid[1] > 0 ) { // its a PPSD pad
406 if ( relid[1] > GetNumberOfModulesPhi() * GetNumberOfModulesZ() ) // its an bottom module
d15a28e7 407 {
92862013 408 y0 = -( GetIPtoOuterCoverDistance() - GetMicromegas2Thickness() / 2.0) ;
d15a28e7 409 }
410 else // its an upper module
92862013 411 y0 = -( GetIPtoOuterCoverDistance() - GetMicromegas2Thickness() - GetLeadToMicro2Gap()
9f616d61 412 - GetLeadConverterThickness() - GetMicro1ToLeadGap() - GetMicromegas1Thickness() / 2.0) ;
d15a28e7 413 }
414
415 Float_t x, z ;
92862013 416 RelPosInModule(relid, x, z) ;
d15a28e7 417
9f616d61 418 pos.SetX(x) ;
419 pos.SetZ(z) ;
92862013 420 pos.SetY( TMath::Sqrt(x*x + z*z + y0*y0) ) ;
9f616d61 421
d15a28e7 422
423
92862013 424 Float_t phi = GetPHOSAngle( phosmodule) ;
425 Double_t const kRADDEG = 180.0 / kPI ;
426 Float_t rphi = phi / kRADDEG ;
d15a28e7 427
92862013 428 TRotation rot ;
429 rot.RotateZ(-rphi) ; // a rotation around Z by angle
d15a28e7 430
92862013 431 TRotation dummy = rot.Invert() ; // to transform from original frame to rotate frame
d15a28e7 432
92862013 433 pos.Transform(rot) ; // rotate the baby
d15a28e7 434 }
435 else {
436 pos.SetX(0.);
437 pos.SetY(0.);
438 pos.SetZ(0.);
439 }
440}
441
442//____________________________________________________________________________
92862013 443void AliPHOSGeometry::RelPosInModule(const Int_t * relid, Float_t & x, Float_t & z)
d15a28e7 444{
b2a60966 445 // Converts the relative numbering into the local PHOS-module (x, z) coordinates
52a36ffd 446 // Note: sign of z differs from that in the previous version (Yu.Kharlov, 12 Oct 2000)
b2a60966 447
92862013 448 Int_t ppsdmodule ;
52a36ffd 449 Int_t row = relid[2] ; //offset along x axiz
450 Int_t column = relid[3] ; //offset along z axiz
d15a28e7 451
52a36ffd 452 Float_t padsizeZ = GetPadSizeZ();
453 Float_t padsizeX = GetPadSizePhi();
d15a28e7 454
92862013 455 if ( relid[1] == 0 ) { // its a PbW04 crystal
52a36ffd 456 x = - ( GetNPhi()/2. - row + 0.5 ) * GetCrystalSize(0) ; // position ox Xtal with respect
457 z = ( GetNZ() /2. - column + 0.5 ) * GetCrystalSize(2) ; // of center of PHOS module
458 }
459 else {
92862013 460 if ( relid[1] > GetNumberOfModulesPhi() * GetNumberOfModulesZ() )
52a36ffd 461 ppsdmodule = relid[1]-GetNumberOfModulesPhi() * GetNumberOfModulesZ();
462 else
463 ppsdmodule = relid[1] ;
92862013 464 Int_t modrow = 1+(Int_t)TMath::Ceil( (Float_t)ppsdmodule / GetNumberOfModulesPhi()-1. ) ;
465 Int_t modcol = ppsdmodule - ( modrow - 1 ) * GetNumberOfModulesPhi() ;
466 Float_t x0 = ( GetNumberOfModulesPhi() / 2. - modrow + 0.5 ) * GetPPSDModuleSize(0) ;
52a36ffd 467 Float_t z0 = ( GetNumberOfModulesZ() / 2. - modcol + 0.5 ) * GetPPSDModuleSize(2) ;
468 x = - ( GetNumberOfPadsPhi()/2. - row - 0.5 ) * padsizeX + x0 ; // position of pad with respect
469 z = ( GetNumberOfPadsZ() /2. - column - 0.5 ) * padsizeZ - z0 ; // of center of PHOS module
470 }
2f3366b6 471}