ITS/AliITSv11.cxx

   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   *
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   9  * without fee, provided that the above copyright notice appears in all   *
  10  * copies and that both the copyright notice and this permission notice   *
  11  * appear in the supporting documentation. The authors make no claims     *
  12  * about the suitability of this software for any purpose. It is          *
  13  * provided "as is" without express or implied warranty.                  *
  14  **************************************************************************/
  15
  16 //************************************************************************
  17 //                 Inner Traking System geometry v11
  18 //
  19 //  Based on ROOT geometrical modeler
  20 //  Set #define WITHROOT in TGeant3.h
  21 //
  22 // B. Nilsen, L. Gaudichet
  23 //************************************************************************
  24
  25
  26 //#include <Riostream.h>
  27 #include <TClonesArray.h>
  28 #include <TLorentzVector.h>
  29
  30 #include "AliITS.h"
  31 #include "AliITSDetType.h"
  32 #include "AliITSGeant3Geometry.h"
  33 #include "AliITSgeom.h"
  34 #include "AliITSgeomSDD.h"
  35 #include "AliITSgeomSPD.h"
  36 #include "AliITSgeomSSD.h"
  37 #include "AliITShit.h"
  38 #include "AliITSresponseSDD.h"
  39 #include "AliITSresponseSPD.h"
  40 #include "AliITSresponseSSD.h"
  41 #include "AliITSsegmentationSDD.h"
  42 #include "AliITSsegmentationSPD.h"
  43 #include "AliITSsegmentationSSD.h"
  44 #include "AliITSv11.h"
  45 #include "AliMagF.h"
  46 #include "AliRun.h"
  47 #include "AliTrackReference.h"
  48 #include "AliMC.h"
  49
  50 #include <TGeoManager.h>
  51 #include <TGeoVolume.h>
  52 #include <TGeoPcon.h>
  53 //#include "AliITSv11GeometrySPD.h"
  54 #include "AliITSv11GeometrySDD.h"
  55 //#include "AliITSv11GeometrySupport.h"
  56
  57
  58
  59 ClassImp(AliITSv11)
  60
  61
  62
  63 AliITSv11::AliITSv11() : AliITS()
  64 {
  65   //    Standard default constructor for the ITS version 11.
  66   fGeomDetOut=kFALSE;
  67   fGeomDetIn=kFALSE;
  68   fMajorVersion=11;
  69   fMinorVersion=0;
  70   Int_t i;
  71   for(i=0;i<60;i++) fRead[i] = '\0';
  72   for(i=0;i<60;i++) fWrite[i] = '\0';
  73   for(i=0;i<60;i++) fEuclidGeomDet[i] = '\0';
  74   strncpy(fRead,"$ALICE_ROOT/ITS/ITSgeometry_vPPRasymmFMD.det",60);
  75   SetEUCLID(kFALSE);
  76
  77 //   fSPDgeom = new AliITSv11GeometrySPD();
  78   fSDDgeom = new AliITSv11GeometrySDD();
  79 //   fSupgeom = new AliITSv11GeometrySupport();
  80
  81   fIdN = 1;
  82   fIdName    = new TString[fIdN];
  83   fIdName[0] = fSDDgeom->GetSenstiveVolumeMame();
  84   fIdSens    = new Int_t[fIdN];
  85   for(Int_t i=0; i<fIdN; i++) fIdSens[i] = 0;
  86 }
  87
  88
  89 //______________________________________________________________________
  90 AliITSv11::AliITSv11(const char *name, const char *title)
  91   : AliITS("ITS", title)
  92 {
  93   //    Standard constructor for the ITS version 11.
  94
  95   fGeomDetOut = kFALSE;
  96   fGeomDetIn = kFALSE;
  97   fMajorVersion = 11;
  98   fMinorVersion = 0;
  99   printf("%s\n constructor",name);
 100
 101   Int_t i;
 102   for(i=0;i<60;i++) fRead[i] = '\0';
 103   for(i=0;i<60;i++) fWrite[i] = '\0';
 104   for(i=0;i<60;i++) fEuclidGeomDet[i] = '\0';
 105   strncpy(fRead,"$ALICE_ROOT/ITS/ITSgeometry_vPPRasymmFMD.det",60);
 106   SetEUCLID(kFALSE);
 107
 108 //   fSPDgeom = new AliITSv11GeometrySPD();
 109   fSDDgeom = new AliITSv11GeometrySDD();
 110 //   fSupgeom = new AliITSv11GeometrySupport();
 111
 112   fIdN = 1;
 113   fIdName    = new TString[fIdN];
 114   fIdName[0] = fSDDgeom->GetSenstiveVolumeMame();
 115   fIdSens    = new Int_t[fIdN];
 116   for(Int_t i=0; i<fIdN; i++) fIdSens[i] = 0;
 117 }
 118
 119
 120
 121 //______________________________________________________________________
 122 AliITSv11::AliITSv11(Int_t debugITS,Int_t debugSPD,Int_t debugSDD,
 123                    Int_t debugSSD,Int_t debugSUP) :
 124   AliITS("ITS","ITS geometry v11"),
 125   fGeomDetOut(kFALSE),
 126   fGeomDetIn(kFALSE),
 127   fMajorVersion(11),
 128   fMinorVersion(0) {
 129   // Standard default constructor for the ITS version 11.
 130   // Inputs:
 131   //   Int_t    debugITS  Debug flag for ITS code (required).
 132   //   Int_t    debugSPD  Debug flag for SPD geometry (default = 0).
 133   //   Int_t    debugSDD  Debug flag for SDD geometry (default = 0).
 134   //   Int_t    debugSSD  Debug flag for SSD geometry (default = 0).
 135   //   Int_t    debugSUP  Debug flag for SUPort geometry (default = 0).
 136   // Outputs:
 137   //   none.
 138   // Return
 139
 140   SetDensityServicesByThickness();
 141
 142   SetEUCLID(kFALSE);
 143   fEuclidGeometry="$ALICE_ROOT/ITS/ITSgeometry_vPPRasymm2.euc";
 144   strncpy(fEuclidGeomDet,"$ALICE_ROOT/ITS/ITSgeometry_vPPRasymm2.det",60);
 145   strncpy(fRead,fEuclidGeomDet,60);
 146   strncpy(fWrite,fEuclidGeomDet,60);
 147   strncpy(fRead,"$ALICE_ROOT/ITS/ITSgeometry_vPPRasymmFMD.det",60);
 148
 149 //   fSPDgeom = new AliITSv11GeometrySPD(debugSPD);
 150   fSDDgeom = new AliITSv11GeometrySDD(debugSDD);
 151 //   fSupgeom = new AliITSv11GeometrySupport(debugSUP);
 152
 153   fIdN = 1;
 154   fIdName    = new TString[fIdN];
 155   fIdName[0] = fSDDgeom->GetSenstiveVolumeMame();
 156   fIdSens    = new Int_t[fIdN];
 157   for(Int_t i=0; i<fIdN; i++) fIdSens[i] = 0;
 158
 159   debugITS = (debugSPD && debugSSD && debugSUP && debugSDD); //remove temp. warnings
 160 }
 161
 162
 163 //______________________________________________________________________
 164 AliITSv11::AliITSv11(const AliITSv11 &source) :
 165  AliITS(source){
 166     //     Copy Constructor for ITS version 11. This function is not to be
 167     // used. If any other instance of this function, other than "this" is
 168     // passed, an error message is returned.
 169     // Inputs:
 170     //   const AliITSv11 &source This class
 171
 172     if(&source == this) return;
 173     Warning("Copy Constructor","Not allowed to copy AliITSv11");
 174     return;
 175 }
 176
 177
 178 //______________________________________________________________________
 179 AliITSv11& AliITSv11::operator=(const AliITSv11
 180                                                   &source){
 181     //     Assignment operator for the ITS version 11. This function is not
 182     // to be used. If any other instance of this function, other than "this"
 183     // is passed, an error message is returned.
 184     // Inputs:
 185     //   const AliITSv11 &source This class
 186
 187     if(&source == this) return *this;
 188     Warning("= operator","Not allowed to copy AliITSv11");
 189     return *this;
 190 }
 191
 192
 193 //______________________________________________________________________
 194 AliITSv11::~AliITSv11() {
 195   delete fSDDgeom;
 196 }
 197
 198
 199 //______________________________________________________________________
 200 void AliITSv11::BuildGeometry(){
 201
 202 }
 203
 204
 205 //______________________________________________________________________
 206 void AliITSv11::CreateGeometry(){
 207   //
 208   // Create ROOT geometry
 209   //
 210
 211   TGeoManager *geoManager = gGeoManager;
 212   TGeoVolume *vALIC = geoManager->GetTopVolume();
 213
 214   TGeoPcon *sITS = new TGeoPcon("ITS Top Volume",0.0,360.0,2);
 215
 216   // DefineSection(section number, Z, Rmin, Rmax).
 217   const Double_t kcm = 1.0;
 218   sITS->DefineSection(0,-300.0*kcm,0.01*kcm,50.0*kcm);
 219   sITS->DefineSection(1,+300.0*kcm,0.01*kcm,50.0*kcm);
 220
 221   TGeoMedium *air = gGeoManager->GetMedium("ITSair");
 222   TGeoVolume *vITS = new TGeoVolume("vITS",sITS,air);
 223   vITS->SetVisibility(kFALSE);
 224   vALIC->AddNode(vITS,1,0);
 225
 226 //   fSPDgeom->CenteralSPD(vITS);
 227
 228 //   fSDDgeom->AddOnlyLay3Ladder(0,1);
 229 //   fSDDgeom->AddOnlyLay4Ladder(0,1);
 230   fSDDgeom->Layer3(vITS);
 231   fSDDgeom->Layer4(vITS);
 232
 233 //     fSupgeom->SPDCone(vITS);
 234 //     fSupgeom->SPDThermalSheald(vITS);
 235 //     fSupgeom->SDDCone(vITS);
 236 //     fSupgeom->SSDCone(vITS);
 237 //     fSupgeom->ServicesCableSupport(vITS);
 238
 239 }
 240
 241
 242 //______________________________________________________________________
 243 void AliITSv11::CreateMaterials(){
 244   //
 245   // Create ITS materials
 246   // Defined media here should correspond to the one defined in galice.cuts
 247   // File which is red in (AliMC*) fMCApp::Init() { ReadTransPar(); }
 248   //
 249
 250     Int_t   ifield = gAlice->Field()->Integ();
 251     Float_t fieldm = gAlice->Field()->Max();
 252
 253     Float_t tmaxfd = 0.1; // 1.0; // Degree
 254     Float_t stemax = 1.0; // cm
 255     Float_t deemax = 0.1; // 30.0; // Fraction of particle's energy 0<deemax<=1
 256     Float_t epsil  = 1.0E-4; // 1.0; // cm
 257     Float_t stmin  = 0.0; // cm "Default value used"
 258
 259     Float_t tmaxfdSi = 0.1; // .10000E+01; // Degree
 260     Float_t stemaxSi = 0.0075; //  .10000E+01; // cm
 261     Float_t deemaxSi = 0.1; // 0.30000E-02; // Fraction of particle's energy 0<deemax<=1
 262     Float_t epsilSi  = 1.0E-4;// .10000E+01;
 263     Float_t stminSi  = 0.0; // cm "Default value used"
 264
 265     Float_t tmaxfdAir = 0.1; // .10000E+01; // Degree
 266     Float_t stemaxAir = .10000E+01; // cm
 267     Float_t deemaxAir = 0.1; // 0.30000E-02; // Fraction of particle's energy 0<deemax<=1
 268     Float_t epsilAir  = 1.0E-4;// .10000E+01;
 269     Float_t stminAir  = 0.0; // cm "Default value used"
 270
 271     Float_t tmaxfdServ = 1.0; // 10.0; // Degree
 272     Float_t stemaxServ = 1.0; // 0.01; // cm
 273     Float_t deemaxServ = 0.5; // 0.1; // Fraction of particle's energy 0<deemax<=1
 274     Float_t epsilServ  = 1.0E-3; // 0.003; // cm
 275     Float_t stminServ  = 0.0; //0.003; // cm "Default value used"
 276
 277     // Freon PerFluorobuthane C4F10 see
 278     // http://st-support-cooling-electronics.web.cern.ch/
 279     //        st-support-cooling-electronics/default.htm
 280     Float_t afre[2]  = { 12.011,18.9984032 };
 281     Float_t zfre[2]  = { 6., 9. };
 282     Float_t wfre[2]  = { 4.,10. };
 283     Float_t densfre  = 1.52;
 284
 285
 286     //CM55J
 287     Float_t aCM55J[4]={12.0107,14.0067,15.9994,1.00794};
 288     Float_t zCM55J[4]={6.,7.,8.,1.};
 289     Float_t wCM55J[4]={0.908508078,0.010387573,0.055957585,0.025146765};
 290     Float_t dCM55J = 1.63;
 291
 292     //ALCM55J
 293     Float_t aALCM55J[5]={12.0107,14.0067,15.9994,1.00794,26.981538};
 294     Float_t zALCM55J[5]={6.,7.,8.,1.,13.};
 295     Float_t wALCM55J[5]={0.817657902,0.0093488157,0.0503618265,0.0226320885,0.1};
 296     Float_t dALCM55J = 1.9866;
 297
 298     //Si Chips
 299     Float_t aSICHIP[6]={12.0107,14.0067,15.9994,1.00794,28.0855,107.8682};
 300     Float_t zSICHIP[6]={6.,7.,8.,1.,14., 47.};
 301     Float_t wSICHIP[6]={0.039730642,0.001396798,0.01169634,
 302                         0.004367771,0.844665,0.09814344903};
 303     Float_t dSICHIP = 2.36436;
 304
 305     //Inox
 306     Float_t aINOX[9]={12.0107,54.9380, 28.0855,30.9738,32.066,
 307                       58.6928,55.9961,95.94,55.845};
 308     Float_t zINOX[9]={6.,25.,14.,15.,16., 28.,24.,42.,26.};
 309     Float_t wINOX[9]={0.0003,0.02,0.01,0.00045,0.0003,0.12,0.17,0.025,0.654};
 310     Float_t dINOX = 8.03;
 311
 312     //SDD HV microcable
 313     Float_t aHVm[5]={12.0107,1.00794,14.0067,15.9994,26.981538};
 314     Float_t zHVm[5]={6.,1.,7.,8.,13.};
 315     Float_t wHVm[5]={0.520088819984,0.01983871336,0.0551367996,0.157399667056, 0.247536};
 316     Float_t dHVm = 1.6087;
 317
 318     //SDD LV+signal cable
 319     Float_t aLVm[5]={12.0107,1.00794,14.0067,15.9994,26.981538};
 320     Float_t zLVm[5]={6.,1.,7.,8.,13.};
 321     Float_t wLVm[5]={0.21722436468,0.0082859922,0.023028867,0.06574077612, 0.68572};
 322     Float_t dLVm = 2.1035;
 323
 324     //SDD hybrid microcab
 325     Float_t aHLVm[5]={12.0107,1.00794,14.0067,15.9994,26.981538};
 326     Float_t zHLVm[5]={6.,1.,7.,8.,13.};
 327     Float_t wHLVm[5]={0.24281879711,0.00926228815,0.02574224025,0.07348667449, 0.64869};
 328     Float_t dHLVm = 2.0502;
 329
 330     //SDD anode microcab
 331     Float_t aALVm[5]={12.0107,1.00794,14.0067,15.9994,26.981538};
 332     Float_t zALVm[5]={6.,1.,7.,8.,13.};
 333     Float_t wALVm[5]={0.392653705471,0.0128595919215,
 334                       0.041626868025,0.118832707289, 0.431909};
 335     Float_t dALVm = 2.0502;
 336
 337     //X7R capacitors
 338     Float_t aX7R[7]={137.327,47.867,15.9994,58.6928,63.5460,118.710,207.2};
 339     Float_t zX7R[7]={56.,22.,8.,28.,29.,50.,82.};
 340     Float_t wX7R[7]={0.251639432,0.084755042,0.085975822,
 341                      0.038244751,0.009471271,0.321736471,0.2081768};
 342     Float_t dX7R = 7.14567;
 343
 344     // AIR
 345     Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
 346     Float_t zAir[4]={6.,7.,8.,18.};
 347     Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
 348     Float_t dAir = 1.20479E-3;
 349
 350     // Water
 351     Float_t aWater[2]={1.00794,15.9994};
 352     Float_t zWater[2]={1.,8.};
 353     Float_t wWater[2]={0.111894,0.888106};
 354     Float_t dWater   = 1.0;
 355
 356     // CERAMICS
 357   //     94.4% Al2O3 , 2.8% SiO2 , 2.3% MnO , 0.5% Cr2O3
 358     Float_t acer[5]  = { 26.981539,15.9994,28.0855,54.93805,51.9961 };
 359     Float_t zcer[5]  = {       13.,     8.,    14.,     25.,    24. };
 360     Float_t wcer[5]  = {.4443408,.5213375,.0130872,.0178135,.003421};
 361     Float_t denscer  = 3.6;
 362
 363     //G10FR4
 364     Float_t zG10FR4[14] = {14.00,       20.00,  13.00,  12.00,  5.00,
 365                            22.00,       11.00,  19.00,  26.00,  9.00,
 366                            8.00,        6.00,   7.00,   1.00};
 367     Float_t aG10FR4[14] = {28.0855000,40.0780000,26.9815380,24.3050000,
 368                            10.8110000,47.8670000,22.9897700,39.0983000,
 369                            55.8450000,18.9984000,15.9994000,12.0107000,
 370                            14.0067000,1.0079400};
 371     Float_t wG10FR4[14] = {0.15144894,0.08147477,0.04128158,0.00904554,
 372                            0.01397570,0.00287685,0.00445114,0.00498089,
 373                            0.00209828,0.00420000,0.36043788,0.27529426,
 374                            0.01415852,0.03427566};
 375     Float_t densG10FR4= 1.8;
 376
 377      //--- EPOXY  --- C18 H19 O3
 378       Float_t aEpoxy[3] = {15.9994, 1.00794, 12.0107} ;
 379       Float_t zEpoxy[3] = {     8.,      1.,      6.} ;
 380       Float_t wEpoxy[3] = {     3.,     19.,     18.} ;
 381       Float_t dEpoxy = 1.8 ;
 382
 383       // rohacell: C9 H13 N1 O2
 384     Float_t arohac[4] = {12.01,  1.01, 14.010, 16.};
 385     Float_t zrohac[4] = { 6.,    1.,    7.,     8.};
 386     Float_t wrohac[4] = { 9.,   13.,    1.,     2.};
 387     Float_t drohac    = 0.05;
 388
 389     // If he/she means stainless steel (inox) + Aluminium and Zeff=15.3383 then
 390 //
 391 // %Al=81.6164 %inox=100-%Al
 392
 393     Float_t aInAl[5] = {27., 55.847,51.9961,58.6934,28.0855 };
 394     Float_t zInAl[5] = {13., 26.,24.,28.,14. };
 395     Float_t wInAl[5] = {.816164, .131443,.0330906,.0183836,.000919182};
 396     Float_t dInAl    = 3.075;
 397
 398     // Kapton
 399     Float_t aKapton[4]={1.00794,12.0107, 14.010,15.9994};
 400     Float_t zKapton[4]={1.,6.,7.,8.};
 401     Float_t wKapton[4]={0.026362,0.69113,0.07327,0.209235};
 402     Float_t dKapton   = 1.42;
 403
 404     //SDD ruby sph.
 405     Float_t aAlOxide[2]  = { 26.981539,15.9994};
 406     Float_t zAlOxide[2]  = {       13.,     8.};
 407     Float_t wAlOxide[2]  = {0.4707, 0.5293};
 408     Float_t dAlOxide     = 3.97;
 409
 410     //---------
 411     AliMaterial(1,"ITSsddSi",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
 412     AliMedium(1,"ITSsddSi",1,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
 413
 414     AliMixture(5,"ITSair",aAir,zAir,dAir,4,wAir);
 415     AliMedium(5,"ITSair",5,0,ifield,fieldm,tmaxfdAir,stemaxAir,deemaxAir,epsilAir,stminAir);
 416
 417     AliMixture(7,"ITSsddSiChip",aSICHIP,zSICHIP,dSICHIP,6,wSICHIP);
 418     AliMedium(7,"ITSsddSiChip",7,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
 419
 420     AliMaterial(79,"SDD SI insensitive$",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
 421     AliMedium(79,"SDD SI insensitive$",79,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 422
 423     AliMaterial(11,"ITSal",0.26982E+02,0.13000E+02,0.26989E+01,0.89000E+01,0.99900E+03);
 424     AliMedium(11,"ITSal",11,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 425
 426     AliMixture(9,"ITSsddCarbonM55J",aCM55J,zCM55J,dCM55J,4,wCM55J);
 427     AliMedium(9,"ITSsddCarbonM55J",9,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 428
 429     AliMixture(10,"SDD AIR$",aAir,zAir,dAir,4,wAir);
 430     AliMedium(10,"SDD AIR$",10,0,ifield,fieldm,tmaxfdAir,stemaxAir,deemaxAir,epsilAir,stminAir);
 431
 432     AliMixture(12, "WATER",aWater,zWater,dWater,2,wWater);
 433     AliMedium(12,"WATER",12,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 434
 435      AliMixture(69,"ITSsddCAlM55J",aALCM55J,zALCM55J,dALCM55J,5,wALCM55J);
 436     AliMedium(69,"ITSsddCAlM55J",69,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 437
 438     AliMixture(70, "ITSsddKAPTON_POLYCH2", aKapton, zKapton, dKapton, 4, wKapton);
 439     AliMedium(70,"ITSsddKAPTON_POLYCH2",70,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 440
 441     AliMixture(77,"SDDX7Rcapacitors",aX7R,zX7R,dX7R,7,wX7R);
 442     AliMedium(77,"SDDX7Rcapacitors",77,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 443
 444     AliMixture(78,"SDD ruby sph. Al2O3$",aAlOxide,zAlOxide,dAlOxide,2,wAlOxide);
 445     AliMedium(78,"SDD ruby sph. Al2O3$",78,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 446
 447
 448     AliMaterial(64,"ALUMINUM$",0.26982E+02,0.13000E+02,0.26989E+01,0.89000E+01,0.99900E+03);
 449     AliMedium(64,"ALUMINUM$",64,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 450
 451     AliMaterial(14,"COPPER",0.63546E+02,0.29000E+02,0.89600E+01,0.14300E+01,0.99900E+03);
 452     AliMedium(14,"COPPER",14,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 453
 454     AliMaterial(2,"SPD SI CHIP$",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
 455     AliMedium(2,"SPD SI CHIP$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
 456
 457     AliMaterial(3,"SPD SI BUS$",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
 458     AliMedium(3,"SPD SI BUS$",3,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
 459
 460     AliMixture(4,"C (M55J)$",aCM55J,zCM55J,dCM55J,4,wCM55J);
 461     AliMedium(4,"C (M55J)$",4,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 462
 463
 464     AliMixture(6,"GEN AIR$",aAir,zAir,dAir,4,wAir);
 465     AliMedium(6,"GEN AIR$",6,0,ifield,fieldm,tmaxfdAir,stemaxAir,deemaxAir,epsilAir,stminAir);
 466
 467     AliMixture(13,"Freon$",afre,zfre,densfre,-2,wfre);
 468     AliMedium(13,"Freon$",13,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 469
 470
 471     AliMixture(15,"CERAMICS$",acer,zcer,denscer,5,wcer);
 472     AliMedium(15,"CERAMICS$",15,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 473
 474     AliMixture(20,"SSD C (M55J)$",aCM55J,zCM55J,dCM55J,4,wCM55J);
 475     AliMedium(20,"SSD C (M55J)$",20,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 476
 477     AliMixture(21,"SSD AIR$",aAir,zAir,dAir,4,wAir);
 478     AliMedium(21,"SSD AIR$",21,0,ifield,fieldm,tmaxfdAir,stemaxAir,deemaxAir,epsilAir,stminAir);
 479
 480     AliMixture(25,"G10FR4$",aG10FR4,zG10FR4,densG10FR4,14,wG10FR4);
 481     AliMedium(25,"G10FR4$",25,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 482
 483      AliMixture(26,"GEN C (M55J)$",aCM55J,zCM55J,dCM55J,4,wCM55J);
 484     AliMedium(26,"GEN C (M55J)$",26,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 485
 486     AliMixture(27,"GEN Air$",aAir,zAir,dAir,4,wAir);
 487     AliMedium(27,"GEN Air$",27,0,ifield,fieldm,tmaxfdAir,stemaxAir,deemaxAir,epsilAir,stminAir);
 488
 489     AliMaterial(51,"SPD SI$",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
 490     AliMedium(51,"SPD SI$",51,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
 491
 492     AliMaterial(52,"SPD SI CHIP$",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
 493     AliMedium(52,"SPD SI CHIP$",52,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
 494
 495     AliMaterial(53,"SPD SI BUS$",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
 496     AliMedium(53,"SPD SI BUS$",53,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
 497
 498     AliMixture(54,"SPD C (M55J)$",aCM55J,zCM55J,dCM55J,4,wCM55J);
 499     AliMedium(54,"SPD C (M55J)$",54,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 500
 501     AliMixture(55,"SPD AIR$",aAir,zAir,dAir,4,wAir);
 502     AliMedium(55,"SPD AIR$",55,0,ifield,fieldm,tmaxfdAir,stemaxAir,deemaxAir,epsilAir,stminAir);
 503
 504     AliMixture(56, "SPD KAPTON(POLYCH2)", aKapton, zKapton, dKapton, 4, wKapton);
 505     AliMedium(56,"SPD KAPTON(POLYCH2)$",56,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 506
 507     AliMixture(61,"EPOXY$",aEpoxy,zEpoxy,dEpoxy,-3,wEpoxy);
 508     AliMedium(61,"EPOXY$",61,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 509
 510     AliMaterial(62,"SILICON$",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
 511     AliMedium(62,"SILICON$",62,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
 512
 513     AliMixture(63, "KAPTONH(POLYCH2)", aKapton, zKapton, dKapton, 4, wKapton);
 514     AliMedium(63,"KAPTONH(POLYCH2)$",63,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 515
 516
 517     AliMixture(65,"INOX$",aINOX,zINOX,dINOX,9,wINOX);
 518     AliMedium(65,"INOX$",65,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 519
 520     AliMixture(68,"ROHACELL$",arohac,zrohac,drohac,-4,wrohac);
 521     AliMedium(68,"ROHACELL$",68,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 522
 523
 524      AliMaterial(71,"ITS SANDW A$",0.12011E+02,0.60000E+01,0.2115E+00,0.17479E+03,0.99900E+03);
 525     AliMedium(71,"ITS SANDW A$",71,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 526
 527     AliMaterial(72,"ITS SANDW B$",0.12011E+02,0.60000E+01,0.27000E+00,0.18956E+03,0.99900E+03);
 528     AliMedium(72,"ITS SANDW B$",72,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 529
 530     AliMaterial(73,"ITS SANDW C$",0.12011E+02,0.60000E+01,0.41000E+00,0.90868E+02,0.99900E+03);
 531     AliMedium(73,"ITS SANDW C$",73,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 532
 533     AliMaterial(74,"HEAT COND GLUE$",0.12011E+02,0.60000E+01,0.1930E+01,0.22100E+02,0.99900E+03);
 534     AliMedium(74,"HEAT COND GLUE$",74,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 535
 536     AliMaterial(75,"ELASTO SIL$",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
 537     AliMedium(75,"ELASTO SIL$",75,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 538
 539     AliMaterial(76,"SPDBUS(AL+KPT+EPOX)$",0.19509E+02,0.96502E+01,0.19060E+01,0.15413E+02,0.99900E+03);
 540     AliMedium(76,"SPDBUS(AL+KPT+EPOX)$",76,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 541
 542
 543     AliMixture(80,"SDD HV microcable$",aHVm,zHVm,dHVm,5,wHVm);
 544     AliMedium(80,"SDD HV microcable$",80,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 545
 546     AliMixture(81,"SDD LV+signal cable$",aLVm,zLVm,dLVm,5,wLVm);
 547     AliMedium(81,"SDD LV+signal cable$",81,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 548
 549     AliMixture(82,"SDD hybrid microcab$",aHLVm, zHLVm,dHLVm,5,wHLVm);
 550     AliMedium(82,"SDD hybrid microcab$",82,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 551
 552     AliMixture(83,"SDD anode microcab$",aALVm,zALVm,dALVm,5,wALVm);
 553     AliMedium(83,"SDD anode microcab$",83,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 554
 555     AliMaterial(84,"SDD/SSD rings$",0.123565E+02,0.64561E+01,0.18097E+01,0.229570E+02,0.99900E+03);
 556     AliMedium(84,"SDD/SSD rings$",84,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 557
 558     AliMixture(85,"inox/alum$",aInAl,zInAl,dInAl,5,wInAl);
 559     AliMedium(85,"inox/alum$",85,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 560
 561
 562     // special media to take into account services in the SDD and SSD
 563     // cones for the FMD
 564
 565        Float_t aA[13],zZ[13],wW[13],den;
 566     // From Pierluigi Barberis calculations of 2SPD+1SDD October 2 2002.
 567     zZ[0] = 1.0; aA[0] = 1.00794; // Hydrogen
 568     zZ[1] = 6.0; aA[1] = 12.011; // Carbon
 569     zZ[2] = 7.0; aA[2] = 14.00674; // Nitrogen
 570     zZ[3] = 8.0; aA[3] = 15.9994; // Oxigen
 571     zZ[4] = 14.0; aA[4] = 28.0855; // Silicon
 572     zZ[5] = 24.0; aA[5] = 51.9961; //Cromium
 573     zZ[6] = 25.0; aA[6] = 54.938049; // Manganese
 574     zZ[7] = 26.0; aA[7] = 55.845; // Iron
 575     zZ[8] = 28.0; aA[8] = 58.6934; // Nickle
 576     zZ[9] = 29.0; aA[9] = 63.546; // Copper
 577     zZ[10] = 13.0; aA[10] = 26.981539; // Alulminum
 578     zZ[11] = 47.0; aA[11] = 107.8682; // Silver
 579     zZ[12] = 27.0; aA[12] = 58.9332; // Cobolt
 580     wW[0] = 0.019965;
 581     wW[1] = 0.340961;
 582     wW[2] = 0.041225;
 583     wW[3] = 0.200352;
 584     wW[4] = 0.000386;
 585     wW[5] = 0.001467;
 586     wW[6] = 0.000155;
 587     wW[7] = 0.005113;
 588     wW[8] = 0.000993;
 589     wW[9] = 0.381262;
 590     wW[10] = 0.008121;
 591     wW[11] = 0.000000;
 592     wW[12] = 0.000000;
 593     if(fByThick){// New values seeITS_MatBudget_4B.xls
 594         den = 1.5253276; // g/cm^3  Cell O370
 595     }else{
 596         den = 2.58423412; // g/cm^3 Cell L370
 597     } // end if fByThick
 598     //den = 6161.7/(3671.58978);//g/cm^3 Volume does not exclude holes
 599     AliMixture(86,"AIRFMDSDD$",aA,zZ,den,+11,wW);
 600     AliMedium(86,"AIRFMDSDD$",86,0,ifield,fieldm,tmaxfdAir,stemaxAir,
 601               deemaxAir,epsilAir,stminAir);
 602
 603
 604     wW[0] = 0.019777;
 605     wW[1] = 0.325901;
 606     wW[2] = 0.031848;
 607     wW[3] = 0.147668;
 608     wW[4] = 0.030609;
 609     wW[5] = 0.013993;
 610     wW[6] = 0.001479;
 611     wW[7] = 0.048792;
 612     wW[8] = 0.009477;
 613     wW[9] = 0.350697;
 614     wW[10] = 0.014546;
 615     wW[11] = 0.005213;
 616     wW[12] = 0.000000;
 617     if(fByThick){// New values seeITS_MatBudget_4B.xls
 618         den = 1.2464275; // g/cm^3   Cell O403
 619     }else{
 620         den = 1.28134409; // g/cm^3  Cell L403
 621     } // end if fByThick
 622     //den = 7666.3/(9753.553259); // volume does not exclude holes
 623     AliMixture(87,"AIRFMDSSD$",aA,zZ,den,+12,wW);
 624     AliMedium(87,"AIRFMDSSD$",87,0,ifield,fieldm,tmaxfdAir,stemaxAir,
 625               deemaxAir,epsilAir,stminAir);
 626
 627     wW[0] = 0.016302;
 628     wW[1] = 0.461870;
 629     wW[2] = 0.033662;
 630     wW[3] = 0.163595;
 631     wW[4] = 0.000315;
 632     wW[5] = 0.001197;
 633     wW[6] = 0.000127;
 634     wW[7] = 0.004175;
 635     wW[8] = 0.000811;
 636     wW[9] = 0.311315;
 637     wW[10] = 0.006631;
 638     wW[11] = 0.000000;
 639     wW[12] = 0.000000;
 640     if(fByThick){// New values seeITS_MatBudget_4B.xls
 641         den = 1.9353276; // g/cm^3  Cell N370
 642     }else{
 643         den = 3.2788626; // g/cm^3 Cell F370
 644     } // end if fByThick
 645     //den = 7667.1/(3671.58978); // Volume does not excludeholes
 646     AliMixture(88,"ITS SANDW CFMDSDD$",aA,zZ,den,+11,wW);
 647     AliMedium(88,"ITS SANDW CFMDSDD$",88,0,ifield,fieldm,tmaxfd,stemax,
 648               deemax,epsil,stmin);
 649
 650     wW[0] = 0.014065;
 651     wW[1] = 0.520598;
 652     wW[2] = 0.022650;
 653     wW[3] = 0.105018;
 654     wW[4] = 0.021768;
 655     wW[5] = 0.009952;
 656     wW[6] = 0.001051;
 657     wW[7] = 0.034700;
 658     wW[8] = 0.006740;
 659     wW[9] = 0.249406;
 660     wW[10] = 0.010345;
 661     wW[11] = 0.0003707;
 662     wW[12] = 0.000000;
 663     if(fByThick){// New values seeITS_MatBudget_4B.xls
 664         den = 1.6564275; // g/cm^3  Cell N304
 665     }else{
 666         den = 1.7028296; // g/cm^3  Cell F304
 667     } // end if fByThick
 668     //den = 1166.5/(3671.58978); // Volume does not exclude holes
 669     AliMixture(89,"ITS SANDW CFMDSSD$",aA,zZ,den,+12,wW);
 670     AliMedium(89,"ITS SANDW CFMDSSD$",89,0,ifield,fieldm,tmaxfd,stemax,
 671               deemax,epsil,stmin);
 672
 673     wW[0] = 0.005970;
 674     wW[1] = 0.304704;
 675     wW[2] = 0.042510;
 676     wW[3] = 0.121715;
 677     wW[4] = 0.001118;
 678     wW[5] = 0.030948;
 679     wW[6] = 0.003270;
 680     wW[7] = 0.107910;
 681     wW[8] = 0.020960;
 682     wW[9] = 0.360895;
 683     wW[10] = 0.000000;
 684     wW[11] = 0.000000;
 685     wW[12] = 0.000000;
 686     if(fByThick){// New values seeITS_MatBudget_4B.xls
 687         den = 80.31136576; // g/cm^3 Cell H329
 688     }else{
 689         den = 87.13062; // g/cm^3  Cell G329
 690     } // end if fByThick
 691     //den = 1251.3/(0.05*2.0*TMath::Pi()*(7.75*7.75 - 3.7*3.7)); // g/cm^3
 692     AliMixture(97,"SPD SERVICES$",aA,zZ,den,+10,wW);
 693     AliMedium(97,"SPD SERVICES$",97,0,ifield,fieldm,tmaxfd,stemax,
 694               deemax,epsil,stmin);
 695
 696     // Special media
 697
 698     AliMaterial(90,"SPD shield$", 12.011, 6., 1.93/10. , 22.1*10., 999);
 699     AliMedium(90,"SPD shield$",90,0,ifield,fieldm,tmaxfdServ,stemaxServ,
 700               deemaxServ,epsilServ,stminServ);
 701
 702     AliMaterial(91, "SPD End ladder$", 47.0447, 21.7963, 3.6374, 4.4711, 999);
 703     AliMedium(91,"SPD End ladder$",91,0,ifield,fieldm,tmaxfdServ,stemaxServ,
 704               deemaxServ,epsilServ,stminServ);
 705
 706     AliMaterial(92, "SPD cone$",28.0855, 14., 2.33, 9.36, 999);
 707     AliMedium(92,"SPD cone$",92,0,ifield,fieldm,tmaxfdServ,stemaxServ,
 708               deemaxServ,epsilServ,stminServ);
 709
 710 //     Material with fractional Z not actually used
 711 //     AliMaterial(93, "SDD End ladder$", 69.9298, 29.8246, 0.3824, 36.5103, 999);
 712 //     AliMedium(93,"SDD End ladder$",93,0,ifield,fieldm,tmaxfdServ,stemaxServ,
 713 //               deemaxServ,epsilServ,stminServ);
 714
 715     AliMaterial(94, "SDD cone$",63.546, 29., 1.15, 1.265, 999);
 716     AliMedium(94,"SDD cone$",94,0,ifield,fieldm,tmaxfdServ,stemaxServ,
 717               deemaxServ,epsilServ,stminServ);
 718
 719 //     Material with fractional Z not actually used
 720 //     AliMaterial(95, "SSD End ladder$", 32.0988, 15.4021, 0.68, 35.3238, 999);
 721 //     AliMedium(95,"SSD End ladder$",95,0,ifield,fieldm,tmaxfdServ,stemaxServ,
 722 //     deemaxServ,epsilServ,stminServ);
 723
 724     AliMaterial(96, "SSD cone$",63.546, 29., 1.15, 1.265, 999);
 725     AliMedium(96,"SSD cone$",96,0,ifield,fieldm,tmaxfdServ,stemaxServ,
 726               deemaxServ,epsilServ,stminServ);
 727
 728 }
 729
 730
 731 //______________________________________________________________________
 732 void AliITSv11::InitAliITSgeom(){
 733   //
 734   // Fill fITSgeom with the 3 sub-detector geometries
 735   //
 736
 737   const Int_t knlayers = 6;
 738   Int_t nlad[knlayers],ndet[knlayers];
 739   nlad[0]= 0; ndet[0]=0;
 740   nlad[1]= 0; ndet[1]=0;
 741   nlad[2]= fSDDgeom->GetLay3NLadders(); ndet[2]=6;
 742   nlad[3]= fSDDgeom->GetLay4NLadders(); ndet[3]=8;
 743   nlad[4]= 0; ndet[4]=0;
 744   nlad[5]= 0; ndet[5]=0;
 745   Int_t nSPD = nlad[0]*ndet[0]+nlad[1]*ndet[1];
 746   Int_t nSDD = nlad[2]*ndet[2]+nlad[3]*ndet[3];
 747   Int_t nSSD = nlad[4]*ndet[4]+nlad[5]*ndet[5];
 748   Int_t nModTot = nSPD + nSDD + nSSD;
 749   if (fITSgeom) delete fITSgeom;
 750   fITSgeom = new AliITSgeom(0,knlayers,nlad,ndet,nModTot);
 751
 752
 753   //***************************************************
 754   //               Set default shapes
 755   // (These default shapes won't exist anymore when all
 756   //  layers are coded)
 757
 758   const Float_t kDxyzSPD[] = {0.6400, 0.015,   3.480};
 759   if(!(fITSgeom->IsShapeDefined(kSPD)))
 760     fITSgeom->ReSetShape(kSPD,
 761                          new AliITSgeomSPD425Short(3,(Float_t *)kDxyzSPD));
 762
 763   const Float_t kDxyzSSD[] = {3.6500, 0.0150,  2.000};
 764   if(!(fITSgeom->IsShapeDefined(kSSD)))
 765     fITSgeom->ReSetShape(kSSD,
 766                          new AliITSgeomSSD75and275(3,(Float_t *)kDxyzSSD));
 767
 768   //*****************************************
 769   fSDDgeom->ExportSensorGeometry(fITSgeom, +3, 0);  //SDD
 770
 771   return;
 772 }
 773
 774
 775 //______________________________________________________________________
 776 void AliITSv11::Init(){
 777   //
 778   //     Initialise the ITS after it has been created.
 779   //
 780
 781     Int_t i;
 782     for(i=0;i<20;i++) printf("*");
 783     printf( " ITSv%i.%i_Init ", fMajorVersion,fMinorVersion );
 784     for(i=0;i<20;i++) printf("*"); printf("\n");
 785
 786     // Create geometry
 787     if(fRead[0]=='\0') strncpy(fRead,fEuclidGeomDet,60);
 788     if(fWrite[0]=='\0') strncpy(fWrite,fEuclidGeomDet,60);
 789     if(fITSgeom!=0) delete fITSgeom;
 790     fITSgeom = new AliITSgeom();
 791     if(fGeomDetIn) fITSgeom->ReadNewFile(fRead);
 792     else this->InitAliITSgeom();
 793     if(fGeomDetOut) fITSgeom->WriteNewFile(fWrite);
 794
 795     // Initialize AliITS
 796     AliITS::Init();
 797     for(i=0;i<40+16;i++) printf("*"); printf("\n");
 798 }
 799
 800
 801 //______________________________________________________________________
 802 void AliITSv11::SetDefaults(){
 803   //
 804   // Set response ans segmentation models for SPD, SDD and SSD
 805   //
 806
 807   printf("AliITSv11::SetDefaults :\n");
 808   const Float_t kconv = 1.0e+04; // convert cm to microns
 809
 810   AliITSDetType *iDetType;
 811   AliITSgeomSPD  *s0;
 812   AliITSgeomSDD  *s1;
 813   AliITSgeomSSD  *s2;
 814   Int_t i;
 815   Float_t bx[256],bz[280];
 816
 817   //================================================ SPD
 818   iDetType=DetType(kSPD);
 819   s0 = (AliITSgeomSPD*) fITSgeom->GetShape(kSPD);// Get shape info. Do it this way for now.
 820   // If some SPD detectors have been inserted in t
 821   if (s0) {
 822     AliITSresponse *resp0=new AliITSresponseSPD();
 823     SetResponseModel(kSPD,resp0);
 824     AliITSsegmentationSPD *seg0=new AliITSsegmentationSPD(fITSgeom);
 825     seg0->SetDetSize(s0->GetDx()*2.*kconv, // base this on AliITSgeomSPD
 826                      s0->GetDz()*2.*kconv, // for now.
 827                      s0->GetDy()*2.*kconv); // x,z,y full width in microns.
 828     seg0->SetNPads(256,160);// Number of Bins in x and z
 829     for(i=000;i<256;i++) bx[i] =  50.0; // in x all are 50 microns.
 830     for(i=000;i<160;i++) bz[i] = 425.0; // most are 425 microns except below
 831     for(i=160;i<280;i++) bz[i] =   0.0; // Outside of detector.
 832     bz[ 31] = bz[ 32] = 625.0; // first chip boundry
 833     bz[ 63] = bz[ 64] = 625.0; // first chip boundry
 834     bz[ 95] = bz[ 96] = 625.0; // first chip boundry
 835     bz[127] = bz[128] = 625.0; // first chip boundry
 836     bz[160] = 425.0; // Set so that there is no zero pixel size for fNz.
 837     seg0->SetBinSize(bx,bz); // Based on AliITSgeomSPD for now.
 838     SetSegmentationModel(kSPD,seg0);
 839     // set digit and raw cluster classes to be used
 840     const char *kData0=(iDetType->GetResponseModel())->DataType();
 841     if (strstr(kData0,"real")) iDetType->ClassNames("AliITSdigit",
 842                                                     "AliITSRawClusterSPD");
 843     else iDetType->ClassNames("AliITSdigitSPD","AliITSRawClusterSPD");
 844   };
 845
 846   //================================================ SDD
 847   iDetType=DetType(kSDD);
 848   s1 = (AliITSgeomSDD*) fITSgeom->GetShape(kSDD);
 849   if (s1) {
 850     AliITSresponseSDD     *resp1 = new AliITSresponseSDD("simulated");
 851     AliITSsegmentationSDD  *seg1 = new AliITSsegmentationSDD(fITSgeom,resp1);
 852     seg1->SetDetSize(s1->GetDx()*kconv,
 853                      s1->GetDz()*4*kconv,  // z in 2th and y in 3th position in
 854                      s1->GetDy()*4*kconv); // AliITSsegmentation::SetDetSize()...
 855     seg1->SetNPads(256, 256);
 856     SetResponseModel(kSDD, resp1);
 857     SetSegmentationModel(kSDD, seg1);
 858     const char *kData1 = (iDetType->GetResponseModel())->DataType();
 859     const char *kopt   = iDetType->GetResponseModel()->ZeroSuppOption();
 860     if((!strstr(kopt,"2D")) && (!strstr(kopt,"1D")) || strstr(kData1,"real") ){
 861       iDetType->ClassNames("AliITSdigit","AliITSRawClusterSDD");
 862     } else iDetType->ClassNames("AliITSdigitSDD","AliITSRawClusterSDD");
 863   };
 864
 865   //================================================ SSD  Layer 5
 866   iDetType=DetType(kSSD);
 867   s2 = (AliITSgeomSSD*) fITSgeom->GetShape(kSSD);// Get shape info. Do it this way for now.
 868   if (s2) {
 869     AliITSresponse *resp2=new AliITSresponseSSD("simulated");
 870     SetResponseModel(kSSD,resp2);
 871     AliITSsegmentationSSD *seg2=new AliITSsegmentationSSD(fITSgeom);
 872     seg2->SetDetSize(s2->GetDx()*2.*kconv, // base this on AliITSgeomSSD
 873                      s2->GetDz()*2.*kconv, // for now.
 874                      s2->GetDy()*2.*kconv); // x,z,y full width in microns.
 875     seg2->SetPadSize(95.,0.); // strip x pitch in microns
 876     seg2->SetNPads(768,0); // number of strips on each side.
 877     seg2->SetAngles(0.0075,0.0275); // strip angels rad P and N side.
 878     seg2->SetAnglesLay5(0.0075,0.0275); // strip angels rad P and N side.
 879     seg2->SetAnglesLay6(0.0275,0.0075); // strip angels rad P and N side.
 880     SetSegmentationModel(kSSD,seg2);
 881     const char *kData2=(iDetType->GetResponseModel())->DataType();
 882     if(strstr(kData2,"real") ) iDetType->ClassNames("AliITSdigit",
 883                                                     "AliITSRawClusterSSD");
 884     else iDetType->ClassNames("AliITSdigitSSD","AliITSRawClusterSSD");
 885   };
 886
 887   if(kNTYPES>3){
 888     Warning("SetDefaults",
 889             "Only the four basic detector types are initialised!");
 890   }// end if
 891   return;
 892 };
 893
 894
 895 //______________________________________________________________________
 896 void AliITSv11::DrawModule() const{
 897
 898 }
 899
 900 //______________________________________________________________________
 901 void AliITSv11::StepManager(){
 902   //
 903   //    Called for every step in the ITS, then calles the AliITShit class
 904   // creator with the information to be recoreded about that hit.
 905   //
 906
 907   Int_t         copy, id;
 908   TLorentzVector position, momentum;
 909   static TLorentzVector position0;
 910   static Int_t stat0=0;
 911
 912   if(!(this->IsActive())){
 913     return;
 914   } // end if !Active volume.
 915
 916   if(!(gMC->TrackCharge())) return;
 917
 918   id=gMC->CurrentVolID(copy);
 919
 920   Bool_t sensvol = kFALSE;
 921   for(Int_t kk = 0; kk < fIdN; kk++)
 922     if(id == fIdSens[kk]) sensvol = kTRUE;
 923
 924   if (sensvol && (gMC->IsTrackExiting())) {
 925     copy = fTrackReferences->GetEntriesFast();
 926     TClonesArray &lTR = *fTrackReferences;
 927     // Fill TrackReference structure with this new TrackReference.
 928     new(lTR[copy]) AliTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber());
 929   } // if Outer ITS mother Volume
 930
 931   Int_t   vol[5];
 932   TClonesArray &lhits = *fHits;
 933   //
 934   // Track status
 935   vol[3] = 0;
 936   vol[4] = 0;
 937   // Fill hit structure.
 938   if(gMC->IsTrackInside())      vol[3] +=  1;
 939   if(gMC->IsTrackEntering())    vol[3] +=  2;
 940   if(gMC->IsTrackExiting())     vol[3] +=  4;
 941   if(gMC->IsTrackOut())         vol[3] +=  8;
 942   if(gMC->IsTrackDisappeared()) vol[3] += 16;
 943   if(gMC->IsTrackStop())        vol[3] += 32;
 944   if(gMC->IsTrackAlive())       vol[3] += 64;
 945
 946   // Only entering charged tracks
 947   if(!(gMC->TrackCharge())) return;
 948
 949   if((id = gMC->CurrentVolID(copy)) == fIdSens[0]) {
 950     fSDDgeom->GetCurrentLayLaddDet(vol[0], vol[2], vol[1]);
 951     // vol[2], vol[1]) : in this order because the ladder
 952     // index and the det. index are exchanged in the constructor
 953     // of AliITShit ...                     ???
 954
 955   } else {
 956     return; // not an ITS volume?
 957   };
 958
 959   gMC->TrackPosition(position);
 960   gMC->TrackMomentum(momentum);
 961   vol[4] = stat0;
 962   if(gMC->IsTrackEntering()){
 963     position0 = position;
 964     stat0 = vol[3];
 965     return;
 966   } // end if IsEntering
 967     // Fill hit structure with this new hit.
 968   new(lhits[fNhits++]) AliITShit(fIshunt,gAlice->GetMCApp()->GetCurrentTrackNumber(),
 969                                  vol, gMC->Edep(),gMC->TrackTime(),position,
 970                                  position0,momentum);
 971   //
 972   position0 = position;
 973   stat0 = vol[3];
 974
 975   return;
 976 };