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   *
   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 //                                                                          //
  20 //  Inner Traking System version 11                                         //
  21 //  This class contains the base procedures for the Inner Tracking System   //
  22 //                                                                          //
  23 // Authors: R. Barbera                                                      //
  24 // version 6.                                                               //
  25 // Created  2000.                                                           //
  26 //                                                                          //
  27 //  NOTE: THIS IS THE  SYMMETRIC PPR geometry of the ITS.                   //
  28 // THIS WILL NOT WORK                                                       //
  29 // with the geometry or module classes or any analysis classes. You are     //
  30 // strongly encouraged to uses AliITSv5.                                    //
  31 //                                                                          //
  32 //////////////////////////////////////////////////////////////////////////////
  33 // See AliITSv11::StepManager().
  34 #include <Riostream.h>
  35 #include <stdio.h>
  36 #include <stdlib.h>
  37 #include <TMath.h>
  38 #include <TFile.h>    // only required for Tracking function?
  39 #include <TObjArray.h>
  40 #include <TLorentzVector.h>
  41 #include <TObjString.h>
  42 #include <TClonesArray.h>
  43 #include <TBRIK.h>
  44 #include <TSystem.h>
  45
  46
  47 #include "AliRun.h"
  48 #include "AliMagF.h"
  49 #include "AliConst.h"
  50 #include "AliITSGeant3Geometry.h"
  51 #include "AliITShit.h"
  52 #include "AliITSv11.h"
  53 #include "AliITSgeom.h"
  54 #include "AliITSgeomSPD.h"
  55 #include "AliITSgeomSDD.h"
  56 #include "AliITSgeomSSD.h"
  57 #include "AliITSDetType.h"
  58 #include "AliITSresponseSPD.h"
  59 #include "AliITSresponseSDD.h"
  60 #include "AliITSresponseSSD.h"
  61 #include "AliITSsegmentationSPD.h"
  62 #include "AliITSsegmentationSDD.h"
  63 #include "AliITSsegmentationSSD.h"
  64 #include "AliITSsimulationSPD.h"
  65 #include "AliITSsimulationSDD.h"
  66 #include "AliITSsimulationSSD.h"
  67 #include "AliITSClusterFinderSPD.h"
  68 #include "AliITSClusterFinderSDD.h"
  69 #include "AliITSClusterFinderSSD.h"
  70 //
  71 #include "AliITSGeometryITSV.h"
  72 #include "AliITSGeometrySSDCone.h"
  73 #include "AliITSGeometrySDDCone.h"
  74
  75 ClassImp(AliITSv11)
  76
  77 //______________________________________________________________________
  78 AliITSv11::AliITSv11() : AliITS() {
  79     // Standard default constructor for the ITS version 11.
  80     // Inputs:
  81     //   none.
  82     // Outputs:
  83     //   none.
  84     // Return
  85     //   A default constructed AliITSv11 class.
  86
  87     fITSV = 0;
  88     fcS = 0;
  89 //   fcD = 0;
  90 }
  91 //______________________________________________________________________
  92 AliITSv11::AliITSv11(const char *title) : AliITS("ITS", title){
  93     // Standard constructor for the ITS version 11.
  94     // Inputs:
  95     //   const char *title  The title of for this geometry.
  96     // Outputs:
  97     //   none.
  98     // Return
  99     //   A Standard constructed AliITSv11 class.
 100
 101     fITSV = 0;
 102     fcS = 0;
 103 //    fcD = 0;
 104 }
 105 //______________________________________________________________________
 106 AliITSv11::~AliITSv11() {
 107     // Standard destructor for the ITS version 11.
 108     // Inputs:
 109     //   none.
 110     // Outputs:
 111     //   none.
 112     // Return
 113     //   none.
 114
 115     if(fITSV!=0) delete fITSV;
 116     if(fcS!=0) delete fcS;
 117 //    if(fcD!=0) delete fcD;
 118 }
 119 //______________________________________________________________________
 120 AliITSv11::AliITSv11(const AliITSv11 &source){
 121     //     Copy Constructor for ITS version 11.
 122     // Inputs:
 123     //   AliITSv11 &source  class to be copied from.
 124     // Outputs:
 125     //   none.
 126     // Return
 127     //   none.
 128
 129     if(&source == this) return;
 130     Error("Copy Constructor","Not allowed to copy AliITSv11");
 131     return;
 132 }
 133 //______________________________________________________________________
 134 AliITSv11& AliITSv11::operator=(const AliITSv11 &source){
 135     //    Assignment operator for the ITS version 11.
 136     // Inputs:
 137     //   AliITSv11 &source  class to be copied from.
 138     // Outputs:
 139     //   none.
 140     // Return
 141     //   none.
 142
 143     if(&source == this) return *this;
 144     Error("= operator","Not allowed to copy AliITSv11");
 145     return *this;
 146 }
 147 //______________________________________________________________________
 148 void AliITSv11::BuildGeometry(){
 149     // This routine defines and Creates the geometry for version 11 of
 150     // the ITS for use in the simulation display routines. This is a
 151     // very simplified geometry for speed of viewing.
 152     // Inputs:
 153     //   none.
 154     // Outputs:
 155     //   none.
 156     // Return
 157     //   none.
 158     TVector3 t(0.0,0.0,0.0);
 159
 160     if(fITSV==0) fITSV = new AliITSGeometryITSV(this,"ALIC");
 161     if(fcS==0) fcS = new AliITSGeometrySSDCone(this,t,"TSV",1);
 162
 163     fcS->BuildDisplayGeometry();
 164 }
 165 //______________________________________________________________________
 166 void AliITSv11::CreateGeometry(){
 167     // This routine defines and Creates the geometry for version 11 of
 168     // the ITS. The geometry is used by the particle trasport routines,
 169     // and therefore, is very detailed.
 170     // Inputs:
 171     //   none.
 172     // Outputs:
 173     //   none.
 174     // Return
 175     //   none.
 176     TVector3 t(0.0,0.0,0.0);
 177
 178     if(fITSV==0) fITSV = new AliITSGeometryITSV(this,"ALIC");
 179     if(fcS==0) fcS = new AliITSGeometrySSDCone(this,t,"TSV",1);
 180     //
 181     fITSV->CreateG3Geometry();
 182     fcS->CreateG3Geometry("TSV",t);
 183     //
 184     fITSV->PositionGeometry("ALIC",1,t,0);
 185     fcS->PositionG3Geometry(fITSV->GetParams(),1,t,0);
 186 }
 187 //______________________________________________________________________
 188 void AliITSv11::CreateMaterials(){
 189     // Create ITS materials
 190     //     This function defines the default materials used in the Geant
 191     // Monte Carlo simulations for the geometries AliITSv11.
 192     // In general it is automatically replaced by
 193     // Inputs:
 194     //   none.
 195     // Outputs:
 196     //   none.
 197     // Return
 198     //   none.
 199 /*
 200     TVector3 t(0.0,0.0,0.0);
 201
 202     if(fITSV==0) fITSV = new AliITSGeometryITSV(this,"ALIC");
 203     if(fcS==0) fcS = new AliITSGeometrySSDCone(this,t,"TSV",1);
 204
 205     fITSV->CreateG3Materials();
 206     fcS->CreateG3Materials();
 207 */
 208
 209
 210   Int_t   ifield = gAlice->Field()->Integ();
 211   Float_t fieldm = gAlice->Field()->Max();
 212
 213   Float_t tmaxfd = 0.1; // 1.0; // Degree
 214   Float_t stemax = 1.0; // cm
 215   Float_t deemax = 0.1; // 30.0; // Fraction of particle's energy 0<deemax<=1
 216   Float_t epsil  = 1.0E-4; // 1.0; // cm
 217   Float_t stmin  = 0.0; // cm "Default value used"
 218
 219   Float_t tmaxfdSi = 0.1; // .10000E+01; // Degree
 220   Float_t stemaxSi = 0.0075; //  .10000E+01; // cm
 221   Float_t deemaxSi = 0.1; // 0.30000E-02; // Fraction of particle's energy 0<deemax<=1
 222   Float_t epsilSi  = 1.0E-4;// .10000E+01;
 223   Float_t stminSi  = 0.0; // cm "Default value used"
 224
 225   Float_t tmaxfdAir = 0.1; // .10000E+01; // Degree
 226   Float_t stemaxAir = .10000E+01; // cm
 227   Float_t deemaxAir = 0.1; // 0.30000E-02; // Fraction of particle's energy 0<deemax<=1
 228   Float_t epsilAir  = 1.0E-4;// .10000E+01;
 229   Float_t stminAir  = 0.0; // cm "Default value used"
 230
 231   Float_t tmaxfdServ = 1.0; // 10.0; // Degree
 232   Float_t stemaxServ = 1.0; // 0.01; // cm
 233   Float_t deemaxServ = 0.5; // 0.1; // Fraction of particle's energy 0<deemax<=1
 234   Float_t epsilServ  = 1.0E-3; // 0.003; // cm
 235   Float_t stminServ  = 0.0; //0.003; // cm "Default value used"
 236
 237   // Freon
 238   Float_t afre[2]  = { 12.011,18.9984032 };
 239   Float_t zfre[2]  = { 6., 9. };
 240   Float_t wfre[2]  = { 5.,12. };
 241   Float_t densfre  = 1.5;
 242
 243   // --- Define the various materials and media for GEANT ---
 244   // AliMaterial(Int_t imat, const char* name, Float_t a, Float_t z,
 245   //              Float_t dens, Float_t radl, Float_t absl,
 246   //              Float_t *buf=0, Int_t nwbuf=0)
 247   //AliMedium(Int_t numed, const char *name, Int_t nmat,
 248   //          Int_t isvol, Int_t ifield, Float_t fieldm,
 249   //          Float_t tmaxfd, Float_t stemax, Float_t deemax,
 250   //          Float_t epsil, Float_t stmin, Float_t *ubuf=0, Int_t nbuf=0)
 251   AliMaterial(1,"SI$",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
 252   AliMedium(1,"SI$",1,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
 253
 254   AliMaterial(2,"SPD SI CHIP$",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
 255   AliMedium(2,"SPD SI CHIP$",2,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
 256
 257   AliMaterial(3,"SPD SI BUS$",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
 258   AliMedium(3,"SPD SI BUS$",3,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
 259
 260   AliMaterial(4,"C (M55J)$",0.12011E+02,0.60000E+01,0.1930E+01,0.22100E+02,0.99900E+03);
 261   AliMedium(4,"C (M55J)$",4,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 262
 263   AliMaterial(5,"AIR$",0.14610E+02,0.73000E+01,0.12050E-02,0.30423E+05,0.99900E+03);
 264   AliMedium(5,"AIR$",5,0,ifield,fieldm,tmaxfdAir,stemaxAir,deemaxAir,epsilAir,stminAir);
 265
 266   AliMaterial(6,"GEN AIR$",0.14610E+02,0.73000E+01,0.12050E-02,0.30423E+05,0.99900E+03);
 267   AliMedium(6,"GEN AIR$",6,0,ifield,fieldm,tmaxfdAir,stemaxAir,deemaxAir,epsilAir,stminAir);
 268
 269   AliMaterial(7,"SDD SI CHIP$",0.374952E+02,0.178184E+02,0.24485E+01,0.76931E+01,0.99900E+03);
 270   AliMedium(7,"SDD SI CHIP$",7,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
 271
 272   AliMaterial(9,"SDD C (M55J)$",0.123565E+02,0.64561E+01,0.18097E+01,0.229570E+02,0.99900E+03);
 273   AliMedium(9,"SDD C (M55J)$",9,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 274
 275   AliMaterial(10,"SDD AIR$",0.14610E+02,0.73000E+01,0.12050E-02,0.30423E+05,0.99900E+03);
 276   AliMedium(10,"SDD AIR$",10,0,ifield,fieldm,tmaxfdAir,stemaxAir,deemaxAir,epsilAir,stminAir);
 277
 278   AliMaterial(11,"AL$",0.26982E+02,0.13000E+02,0.26989E+01,0.89000E+01,0.99900E+03);
 279   AliMedium(11,"AL$",11,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 280
 281   AliMaterial(12,"WATER$",0.14322E+02,0.72167E+01,0.10000E+01,0.35759E+02,0.94951E+02);
 282   AliMedium(12,"WATER$",12,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 283
 284   AliMixture(13,"Freon$",afre,zfre,densfre,-2,wfre);
 285   AliMedium(13,"Freon$",13,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 286
 287   AliMaterial(14,"COPPER$",0.63546E+02,0.29000E+02,0.89600E+01,0.14300E+01,0.99900E+03);
 288   AliMedium(14,"COPPER$",14,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 289
 290   AliMaterial(15,"CERAMICS$",0.22314E+02,0.10856E+02,0.36000E+01,0.76200E+01,0.31901E+02);
 291   AliMedium(15,"CERAMICS$",15,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 292
 293   AliMaterial(20,"SSD C (M55J)$",0.12011E+02,0.60000E+01,0.1930E+01,0.22100E+02,0.99900E+03);
 294   AliMedium(20,"SSD C (M55J)$",20,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 295
 296   AliMaterial(21,"SSD AIR$",0.14610E+02,0.73000E+01,0.12050E-02,0.30423E+05,0.99900E+03);
 297   AliMedium(21,"SSD AIR$",21,0,ifield,fieldm,tmaxfdAir,stemaxAir,deemaxAir,epsilAir,stminAir);
 298
 299   AliMaterial(25,"G10FR4$",0.17749E+02,0.88750E+01,0.18000E+01,0.21822E+02,0.99900E+03);
 300   AliMedium(25,"G10FR4$",25,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 301
 302   AliMaterial(26,"GEN C (M55J)$",0.12011E+02,0.60000E+01,0.1930E+01,0.22100E+02,0.99900E+03);
 303   AliMedium(26,"GEN C (M55J)$",26,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 304
 305   AliMaterial(27,"GEN Air$",0.14610E+02,0.73000E+01,0.12050E-02,0.30423E+05,0.99900E+03);
 306   AliMedium(27,"GEN Air$",27,0,ifield,fieldm,tmaxfdAir,stemaxAir,deemaxAir,epsilAir,stminAir);
 307
 308   AliMaterial(51,"SPD SI$",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
 309   AliMedium(51,"SPD SI$",51,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
 310
 311   AliMaterial(52,"SPD SI CHIP$",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
 312   AliMedium(52,"SPD SI CHIP$",52,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
 313
 314   AliMaterial(53,"SPD SI BUS$",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
 315   AliMedium(53,"SPD SI BUS$",53,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
 316
 317   AliMaterial(54,"SPD C (M55J)$",0.12011E+02,0.60000E+01,0.1930E+01,0.22100E+02,0.99900E+03);
 318   AliMedium(54,"SPD C (M55J)$",54,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 319
 320   AliMaterial(55,"SPD AIR$",0.14610E+02,0.73000E+01,0.12050E-02,0.30423E+05,0.99900E+03);
 321   AliMedium(55,"SPD AIR$",55,0,ifield,fieldm,tmaxfdAir,stemaxAir,deemaxAir,epsilAir,stminAir);
 322
 323   AliMaterial(56,"SPD KAPTON(POLYCH2)$",0.14000E+02,0.71770E+01,0.13000E+01,0.31270E+02,0.99900E+03);
 324   AliMedium(56,"SPD KAPTON(POLYCH2)$",56,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 325
 326   AliMaterial(61,"EPOXY$",0.17749E+02,0.88750E+01,0.18000E+01,0.21822E+02,0.99900E+03);
 327   AliMedium(61,"EPOXY$",61,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 328
 329   AliMaterial(62,"SILICON$",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
 330   AliMedium(62,"SILICON$",62,0,ifield,fieldm,tmaxfdSi,stemaxSi,deemaxSi,epsilSi,stminSi);
 331
 332   AliMaterial(63,"KAPTONH(POLYCH2)$",0.14000E+02,0.71770E+01,0.13000E+01,0.31270E+02,0.99900E+03);
 333   AliMedium(63,"KAPTONH(POLYCH2)$",63,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 334
 335   AliMaterial(64,"ALUMINUM$",0.26982E+02,0.13000E+02,0.26989E+01,0.89000E+01,0.99900E+03);
 336   AliMedium(64,"ALUMINUM$",64,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 337
 338   AliMaterial(65,"INOX$",0.55098E+02,0.2572E+02,0.7900E+01,0.17800E+01,0.99900E+03);
 339   AliMedium(65,"INOX$",65,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 340
 341   AliMaterial(68,"ROHACELL$",0.123974E+02,0.62363E+01,0.500E-01,0.80986E+03,0.99900E+03);
 342   AliMedium(68,"ROHACELL$",68,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 343
 344   AliMaterial(69,"SDD C AL (M55J)$",0.138802E+02,0.71315E+01,0.19837E+01,0.176542E+02,0.99900E+03);
 345   AliMedium(69,"SDD C AL (M55J)$",69,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 346
 347   AliMaterial(70,"SDDKAPTON (POLYCH2)$",0.14000E+02,0.71770E+01,0.13000E+01,0.31270E+02,0.99900E+03);
 348   AliMedium(70,"SDDKAPTON (POLYCH2)$",70,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 349
 350   AliMaterial(71,"ITS SANDW A$",0.12011E+02,0.60000E+01,0.2115E+00,0.17479E+03,0.99900E+03);
 351   AliMedium(71,"ITS SANDW A$",71,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 352
 353   AliMaterial(72,"ITS SANDW B$",0.12011E+02,0.60000E+01,0.27000E+00,0.18956E+03,0.99900E+03);
 354   AliMedium(72,"ITS SANDW B$",72,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 355
 356   AliMaterial(73,"ITS SANDW C$",0.12011E+02,0.60000E+01,0.41000E+00,0.90868E+02,0.99900E+03);
 357   AliMedium(73,"ITS SANDW C$",73,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 358
 359   AliMaterial(74,"HEAT COND GLUE$",0.12011E+02,0.60000E+01,0.1930E+01,0.22100E+02,0.99900E+03);
 360   AliMedium(74,"HEAT COND GLUE$",74,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 361
 362   AliMaterial(75,"ELASTO SIL$",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
 363   AliMedium(75,"ELASTO SIL$",75,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 364
 365   AliMaterial(76,"SPDBUS(AL+KPT+EPOX)$",0.19509E+02,0.96502E+01,0.19060E+01,0.15413E+02,0.99900E+03);
 366   AliMedium(76,"SPDBUS(AL+KPT+EPOX)$",76,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 367
 368   AliMaterial(77,"SDD X7R capacitors$",0.1157516E+03,0.477056E+02,0.67200E+01,0.14236E+01,0.99900E+03);
 369   AliMedium(77,"SDD X7R capacitors$",77,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 370
 371   AliMaterial(78,"SDD ruby sph. Al2O3$",0.218101E+02,0.106467E+02,0.39700E+01,0.48539E+01,0.99900E+03);
 372   AliMedium(78,"SDD ruby sph. Al2O3$",78,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 373
 374   AliMaterial(79,"SDD SI insensitive$",0.28086E+02,0.14000E+02,0.23300E+01,0.93600E+01,0.99900E+03);
 375   AliMedium(79,"SDD SI insensitive$",79,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 376
 377   AliMaterial(80,"SDD HV microcable$",0.159379E+02,0.78598E+01,0.16087E+01,0.217906E+02,0.99900E+03);
 378   AliMedium(80,"SDD HV microcable$",80,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 379
 380   AliMaterial(81,"SDD LV+signal cable$",0.223689E+02,0.108531+02,0.21035E+01,0.13440E+02,0.99900E+03);
 381   AliMedium(81,"SDD LV+signal cable$",81,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 382
 383   AliMaterial(82,"SDD hybrid microcab$",0.218254E+02,0.106001E+02,0.20502E+01,0.137308E+02,0.99900E+03);
 384   AliMedium(82,"SDD hybrid microcab$",82,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 385
 386   AliMaterial(83,"SDD anode microcab$",0.186438E+02,0.91193E+01,0.17854E+01,0.176451E+02,0.99900E+03);
 387   AliMedium(83,"SDD anode microcab$",83,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 388
 389   AliMaterial(84,"SDD/SSD rings$",0.123565E+02,0.64561E+01,0.18097E+01,0.229570E+02,0.99900E+03);
 390   AliMedium(84,"SDD/SSD rings$",84,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 391
 392   AliMaterial(85,"inox/alum$",0.321502E+02,0.153383E+02,0.30705E+01,0.69197E+01,0.99900E+03);
 393   AliMedium(85,"inox/alum$",85,0,ifield,fieldm,tmaxfd,stemax,deemax,epsil,stmin);
 394
 395
 396   // Special media
 397
 398   AliMaterial(90,"SPD shield$", 12.011, 6., 1.93/10. , 22.1*10., 999);
 399   AliMedium(90,"SPD shield$",90,0,ifield,fieldm,tmaxfdServ,stemaxServ,deemaxServ,epsilServ,stminServ);
 400
 401   AliMaterial(91, "SPD End ladder$", 47.0447, 21.7963, 3.6374, 4.4711, 999);
 402   AliMedium(91,"SPD End ladder$",91,0,ifield,fieldm,tmaxfdServ,stemaxServ,deemaxServ,epsilServ,stminServ);
 403
 404   AliMaterial(92, "SPD cone$",28.0855, 14., 2.33, 9.36, 999);
 405   AliMedium(92,"SPD cone$",92,0,ifield,fieldm,tmaxfdServ,stemaxServ,deemaxServ,epsilServ,stminServ);
 406
 407   AliMaterial(93, "SDD End ladder$", 69.9298, 29.8246, 0.3824, 36.5103, 999);
 408   AliMedium(93,"SDD End ladder$",93,0,ifield,fieldm,tmaxfdServ,stemaxServ,deemaxServ,epsilServ,stminServ);
 409
 410   AliMaterial(94, "SDD cone$",63.546, 29., 1.15, 1.265, 999);
 411   AliMedium(94,"SDD cone$",94,0,ifield,fieldm,tmaxfdServ,stemaxServ,deemaxServ,epsilServ,stminServ);
 412
 413   AliMaterial(95, "SSD End ladder$", 32.0988, 15.4021, 0.68, 35.3238, 999);
 414   AliMedium(95,"SSD End ladder$",95,0,ifield,fieldm,tmaxfdServ,stemaxServ,deemaxServ,epsilServ,stminServ);
 415
 416   AliMaterial(96, "SSD cone$",63.546, 29., 1.15, 1.265, 999);
 417   AliMedium(96,"SSD cone$",96,0,ifield,fieldm,tmaxfdServ,stemaxServ,deemaxServ,epsilServ,stminServ);
 418 }
 419 //______________________________________________________________________
 420 void AliITSv11::InitAliITSgeom(){
 421     // Based on the geometry tree defined in Geant 3.21, this
 422     // routine initilizes the Class AliITSgeom from the Geant 3.21 ITS
 423     // geometry sturture.
 424     // Inputs:
 425     //   none.
 426     // Outputs:
 427     //   none.
 428     // Return
 429     //   none.
 430 }
 431 //______________________________________________________________________
 432 void AliITSv11::Init(){
 433     // Initialise the ITS after it has been created.
 434     // Inputs:
 435     //   none.
 436     // Outputs:
 437     //   none.
 438     // Return
 439     //   none.
 440 }
 441 //______________________________________________________________________
 442 void AliITSv11::SetDefaults(){
 443     // Sets the default segmentation, response, digit and raw cluster
 444     // classes to be used. These defaults can be overwritten in the
 445     // macros that do these later steps. Defaults are give hear for the
 446     // general user.
 447     // Inputs:
 448     //   none.
 449     // Outputs:
 450     //   none.
 451     // Return
 452     //   none.
 453 }
 454 //______________________________________________________________________
 455 void AliITSv11::DrawModule(){
 456     // Draw a standard set of shaded view of the ITS version 11.
 457     // Inputs:
 458     //   none.
 459     // Outputs:
 460     //   none.
 461     // Return
 462     //   none.
 463 }
 464 //______________________________________________________________________
 465 void AliITSv11::StepManager(){
 466     // Called for every step in the ITS, then calles the AliITShit class
 467     // creator with the information to be recoreded about that hit.
 468     //  The value of the macro ALIITSPRINTGEOM if set to 1 will allow the
 469     // printing of information to a file which can be used to create a .det
 470     // file read in by the routine CreateGeometry(). If set to 0 or any other
 471     // value except 1, the default behavior, then no such file is created nor
 472     // is the extra variables and the like used in the printing allocated.
 473 }
 474